/// <summary>
/// Returns HoardID that signed this transaction
/// </summary>
/// <param name="signatureStr"></param>
/// <param name="rlpEncodedTransaction"></param>
/// <returns>Signer of this transaction</returns>
public static HoardID RecoverHoardIdFromTransaction(string signatureStr, byte[] rlpEncodedTransaction)
{
if (string.IsNullOrEmpty(signatureStr))
{
return(null);
}
var signature = EthECDSASignatureFactory.ExtractECDSASignature(signatureStr);
var rawHash = new Nethereum.Util.Sha3Keccack().CalculateHash(rlpEncodedTransaction);
return(new HoardID(EthECKey.RecoverFromSignature(signature, rawHash).GetPublicAddress()));
}
public static bool verify(string dataStr, string signStr)
{
try
{
var sign = EthECDSASignatureFactory.ExtractECDSASignature(signStr);
var dataHash = new Sha3Keccack().CalculateHash(Encoding.UTF8.GetBytes(dataStr));
var pubKey = EthECKey.RecoverFromSignature(sign, dataHash);
return(pubKey.Verify(dataHash, sign));
}catch
{
return(false);
}
}
public string Recover(string message, byte[] signature, bool preFixed)
{
var bytes = Encoding.ASCII.GetBytes(message);
if (!preFixed)
{
bytes = this.HashMessage(bytes);
}
var ecdaSignature = EthECDSASignatureFactory.ExtractECDSASignature(signature.ToHex());
return(Bech32.Encode("io",
Hash.Hash160B(EthECKey.RecoverFromSignature(ecdaSignature, bytes).GetPubKey().Slice(1))));
}