metarare_api-main/contracts/Validator/Validator.sol

pragma solidity ^0.8.0;

import "../contracts/utils/cryptography/ECDSA.sol";
contract Validator {

  event LogSigner(address signer);
  function recoverAddress(bytes32 msgHash, uint8 v, bytes32 r, bytes32 s) public pure returns(address) {
      bytes memory prefix = "\x19Ethereum Signed Message:\n32";
      bytes32 prefixedHash = keccak256(abi.encode(prefix, msgHash));
      return ecrecover(prefixedHash, v, r, s);
  }
  function verify(address claimer ,bytes calldata data, bytes calldata signature) public  returns(bool) {

    bytes32 hashed = keccak256(data);
    address signer = ECDSA.recover(hashed, signature);

    emit LogSigner(signer);
    return signer == claimer;
  }
}