private static string GetHash(Guid guid, string coinAdapterAddress, string fromAddress, string toAddress, BigInteger currentBalance)
{
return(EthUtils.GuidToByteArray(guid).ToHex() +
coinAdapterAddress.HexToByteArray().ToHex() +
fromAddress.HexToByteArray().ToHex() +
toAddress.HexToByteArray().ToHex() +
EthUtils.BigIntToArrayWithPadding(currentBalance).ToHex());
}
public byte[] GetHash(Guid id, string coinAddress, string clientAddr, string toAddr, BigInteger amount)
{
var strForHash = EthUtils.GuidToByteArray(id).ToHex() +
coinAddress.HexToByteArray().ToHex() +
clientAddr.HexToByteArray().ToHex() +
toAddr.HexToByteArray().ToHex() +
EthUtils.BigIntToArrayWithPadding(amount).ToHex();
var hash = new Sha3Keccack().CalculateHash(strForHash.HexToByteArray());
return(hash);
}
public void Test22()
{
var guid = new Guid("0b67caf2-0b02-4691-ac25-04858b0fa475");
var strForHash = EthUtils.GuidToByteArray(guid).ToHex() +
"0x8c32ad594a6dc17b2e8b40af3df2c3ce1f79cdd4".HexToByteArray().ToHex() +
"0x5c711f0bfad342c4691b6e23cedcdf39e3fe03c1".HexToByteArray().ToHex() +
"0x33f53d968aee3cfe1ad460457a29827bfff33d8c".HexToByteArray().ToHex() +
EthUtils.BigIntToArrayWithPadding(9500).ToHex();
var hash = new Sha3Keccack().CalculateHash(strForHash.HexToByteArray());
var sign = Sign(hash, "0x443dac9b6e682a887009cfd00690d0cac1905e494f84d03070174149c2d0cc76").ToHex();
Assert.AreEqual("6ddfe17c1ff216df529277ff7fc94bff41b6984d3de36d2132f452986743de4c44831c1bd41d58043705a60aa853d6beeb8b2e0dcdb09805c5dd28b7e3e705ce1b", sign);
}
public void TestHash()
{
var guid = Guid.NewGuid();
var amount = 100;
var strForHash = EthUtils.GuidToByteArray(guid).ToHex() +
_tokenAdapterAddress.HexToByteArray().ToHex() +
_clientA.HexToByteArray().ToHex() +
_clientB.HexToByteArray().ToHex() +
EthUtils.BigIntToArrayWithPadding(new BigInteger(amount)).ToHex();
byte[] expectedHash = new Sha3Keccack().CalculateHash(strForHash.HexToByteArray());
byte[] actualHash = _hashCalculator.GetHash(guid, _tokenAdapterAddress, _clientA, _clientB, amount);
bool isEqual = Enumerable.SequenceEqual(expectedHash, actualHash);
Assert.IsTrue(isEqual);
}
public async Task TestCheckSign_IsWrong()
{
var guid = Guid.NewGuid();
var amount = 50;
EthUtils.GuidToBigInteger(guid);
var strForHash = EthUtils.GuidToByteArray(guid).ToHex() +
_ethereumAdapterAddress.HexToByteArray().ToHex() +
_clientA.HexToByteArray().ToHex() +
_clientA.HexToByteArray().ToHex() +
EthUtils.BigIntToArrayWithPadding(new BigInteger(amount)).ToHex();
var hash = new Sha3Keccack().CalculateHash(strForHash.HexToByteArray());
var sign = Sign(hash, _privateKeyA).ToHex();
var result = _exchangeService.CheckSign(guid, _ethereumAdapterAddress, _clientA, _clientA, new BigInteger(amount - 1), sign);
Assert.IsFalse(result);
}
public async Task TestCheckSign_IsCorrect()
{
var guid = Guid.NewGuid();
var amount = 50;
EthUtils.GuidToBigInteger(guid);
var strForHash = EthUtils.GuidToByteArray(guid).ToHex() +
_tokenAdapterAddress.HexToByteArray().ToHex() +
_clientA.HexToByteArray().ToHex() +
_clientA.HexToByteArray().ToHex() +
EthUtils.BigIntToArrayWithPadding(new BigInteger(amount)).ToHex();
var hash = new Sha3Keccack().CalculateHash(strForHash.HexToByteArray());
var sign = Sign(hash, _privateKeyA).ToHex();
//var externalSign = await _exchangeService.GetSign(guid, _tokenAdapterAddress, ClientA, ClientA, new BigInteger(amount));
var result = _exchangeService.CheckSign(guid, _tokenAdapterAddress, _clientA, _clientA, new BigInteger(amount), sign);
Assert.IsTrue(result);
}