public static string SignAuditClose(AuditSignDto signDto, string privateKey)
{
var resultHash = Sha3ForAudit(signDto);
var ms = new MessageSigner();
var signature = ms.Sign(resultHash.HexToByteArray(), privateKey);
return(signature);
}
public SignatureResponse SignCloseAuditChannel([FromBody] AuditSignDto signDto)
{
var signature = EthereumUtils.SignAuditClose(signDto, _config.PrivateKey);
return(new SignatureResponse
{
SenderSignature = signature
});
}
public static string Sha3ForAudit(AuditSignDto auditDto)
{
var sha3 = new Sha3Keccack();
var bob =
new IntTypeEncoder()
.Encode(StringToBigInteger(auditDto.BobAmountWei));
var alice =
new IntTypeEncoder()
.Encode(StringToBigInteger(auditDto.AliceAmountWei));
var epoch =
new IntTypeEncoder()
.Encode(auditDto.EpochId);
var output = sha3.CalculateHashFromHex(bob.ToHex(), alice.ToHex(), auditDto.ChannelId, epoch.ToHex());
var resultHash = "0x" + output;
return(resultHash);
}
