You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: transfer_erc20.rs
    path of file: ./repos/ethers-rs/examples/transactions/examples
    
    the code of the file until where you have to start completion: use ethers::{
    contract::{abigen, ContractFactory},
    core::utils::Anvil,
    middleware::SignerMiddleware,
    providers::{Http, Provider},
    signers::{LocalWallet, Signer},
    solc::Solc,
    types::{Address, U256},
    utils::AnvilInstance,
};
use eyre::Result;
use std::{path::Path, sync::Arc, time::Duration};

#[tokio::main]
async fn main() -> Result<()> {
    // Start a fresh local Anvil node to execute the transfer on.
    let anvil = Anvil::new().spawn();
    // Use the first wallet autogenerated by the Anvil node to send the transaction.
    let from_wallet: LocalWallet = anvil.keys()[0].clone().into();
    let to_address = anvil.addresses()[2];

    // Deploy an ERC20 token contract on the freshly started local Anvil node that doesn't have any
    // tokens deployed on it. This will also allocate tokens to the `from_wallet` address.
    // You don't need to do this to transfer an already deployed ERC20 token, in that case you only
    // need the token address.
    let token_address = deploy_token_contract(&anvil, from_wallet.clone()).await?;

    // 1. Generate the ABI for the ERC20 contract. This is will define an `ERC20Contract` struct in
    // this scope that will let us call the methods of the contract.
    abigen!(
        ERC20Contract,
        r#"[
            function balanceOf(address account) external view returns (uint256)
            function decimals() external view returns (uint8)
            function symbol() external view returns (string memory)
            function transfer(address to, uint256 amount) external returns (bool)
            event Transfer(address indexed from, address indexed to, uint256 value)
        ]"#,
    );

    // 2. Create the contract instance to let us call methods of the contract and let it
    
async fn main() -> Result<()> {
    // Start a fresh local Anvil node to execute the transfer on.
    let anvil = Anvil::new().spawn();
    // Use the first wallet autogenerated by the Anvil node to send the transaction.
    let from_wallet: LocalWallet = anvil.keys()[0].clone().into();
    let to_address = anvil.addresses()[2];

    // Deploy an ERC20 token contract on the freshly started local Anvil node that doesn't have any
    // tokens deployed on it. This will also allocate tokens to the `from_wallet` address.
    // You don't need to do this to transfer an already deployed ERC20 token, in that case you only
    // need the token address.
    let token_address = deploy_token_contract(&anvil, from_wallet.clone()).await?;

    // 1. Generate the ABI for the ERC20 contract. This is will define an `ERC20Contract` struct in
    // this scope that will let us call the methods of the contract.
    abigen!(
        ERC20Contract,
        r#"[
            function balanceOf(address account) external view returns (uint256)
            function decimals() external view returns (uint8)
            function symbol() external view returns (string memory)
            function transfer(address to, uint256 amount) external returns (bool)
            event Transfer(address indexed from, address indexed to, uint256 value)
        ]"#,
    );

    // 2. Create the contract instance to let us call methods of the contract and let it sign
    // transactions with the sender wallet.
    let provider =
        Provider::<Http>::try_from(anvil.endpoint())?.interval(Duration::from_millis(10u64));
    let signer =
        Arc::new(SignerMiddleware::new(provider, from_wallet.with_chain_id(anvil.chain_id())));
    let contract = ERC20Contract::new(token_address, signer);

    // 3. Fetch the decimals used by the contract so we can compute the decimal amount to send.
    let whole_amount: u64 = 1000;
    let decimals = contract.decimals().call().await?;
    let decimal_amount = U256::from(whole_amount) * U256::exp10(decimals as usize);

    // 4. Transfer the desired amount of tokens to the `to_address`
    let tx = contract.transfer(to_address, decimal_amount);
    let pending_tx = tx.send().await?;
    let _mined_tx = pending_tx.await?;

    // 5. Fetch the balance of the recipient.
    let balance = contract.balance_of(to_address).call().await?;
    assert_eq!(balance, decimal_amount);

    Ok(())
}