Change approveDigest to internal
@@ -45,8 +45,7 @@ library DepositRedemption {
/// for given digest
/// @param _digest Digest to approve
/// @return True if successful
- // TODO: Shouldn't it be changed to internal?
- function approveDigest(DepositUtils.Deposit storage _d, bytes32 _digest) public {
+ function approveDigest(DepositUtils.Deposit storage _d, bytes32 _digest) internal {
IECDSAKeep(_d.keepAddress).sign(_digest);
_d.approvedDigests[abi.encodePacked(_digest)] = block.timestamp;
