pragma solidity ^0.4.24; import "../ECRecovery.sol"; contract ECRecoveryMock { using ECRecovery for bytes32; function recover(bytes32 _hash, bytes _signature) public pure returns (address) { return _hash.recover(_signature); } function toEthSignedMessageHash(bytes32 _hash) public pure returns (bytes32) { return _hash.toEthSignedMessageHash(); } }