// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; contract Verify { function VerifyMessage(bytes32 _hashedMessage, uint8 _v, bytes32 _r, bytes32 _s) public pure returns (address) { bytes memory prefix = "\x19Ethereum Signed Message:\n32"; bytes32 prefixedHashMessage = keccak256(abi.encodePacked(prefix, _hashedMessage)); address signer = ecrecover(prefixedHashMessage, _v, _r, _s); return signer; } }source