public override async Task SignAsync(LegacyTransactionChainId transaction)
{
var txMessage = new EthereumSignTx
{
Nonce = transaction.Nonce,
GasPrice = transaction.GasPrice,
GasLimit = transaction.GasLimit,
To = transaction.ReceiveAddress,
Value = transaction.Value,
AddressNs = GetPath(),
ChainId = (uint)new BigInteger(transaction.ChainId)
};
if (transaction.Data.Length > 0)
{
txMessage.DataInitialChunk = transaction.Data;
txMessage.DataLength = (uint)transaction.Data.Length;
}
var signature = await TrezorManager.SendMessageAsync <EthereumTxRequest, EthereumSignTx>(txMessage).ConfigureAwait(false);
if (signature.SignatureS == null || signature.SignatureR == null)
{
throw new Exception("Signing failure or not accepted");
}
transaction.SetSignature(EthECDSASignatureFactory.FromComponents(signature.SignatureR, signature.SignatureS, (byte)signature.SignatureV));
}
public void BasicSigningETC()
{
var nonce = 9.ToBytesForRLPEncoding();
var gasPrice = BigInteger.Parse("20" + "000" + "000" + "000").ToBytesForRLPEncoding();
var gasLimit = 21000.ToBytesForRLPEncoding();
var to = "0x3535353535353535353535353535353535353535".HexToByteArray();
var amount = BigInteger.Parse("1" + "000" + "000" + "000" +
"000" + "000" + "000").ToBytesForRLPEncoding();
var data = "".HexToByteArray();
var chainId = ((int)Chain.ClassicMainNet).ToBytesForRLPEncoding();
//Create a transaction from scratch
var tx = new LegacyTransactionChainId(nonce, gasPrice, gasLimit, to, amount, data, chainId);
var privateKey = "4646464646464646464646464646464646464646464646464646464646464646";
var key = new EthECKey(privateKey);
tx.Sign(key);
var recoveryTransaction = new LegacyTransactionChainId(tx.GetRLPEncoded());
Assert.True(recoveryTransaction.Key.VerifyAllowingOnlyLowS(recoveryTransaction.RawHash, recoveryTransaction.Signature));
Assert.Equal(key.GetPublicAddress(), recoveryTransaction.Key.GetPublicAddress());
}
public override Task SignAsync(LegacyTransactionChainId transaction) => SignHashTransactionAsync(transaction);
public override async Task SignAsync(LegacyTransactionChainId transaction)
{
await SignRLPTransactionAsync(transaction).ConfigureAwait(false);
}
public override Task SignAsync(LegacyTransactionChainId transaction)
{
return(SignHashTransactionAsync(transaction));
}
// ported from the main example in the spec:
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-155.md
// Modified from the original pull request of Andres Aragoneses (TDD) @Knocte
public void BasicSigning()
{
var nonce = 9.ToBytesForRLPEncoding();
var gasPrice = BigInteger.Parse("20" + "000" + "000" + "000").ToBytesForRLPEncoding();
var gasLimit = 21000.ToBytesForRLPEncoding();
var to = "0x3535353535353535353535353535353535353535".HexToByteArray();
var amount = BigInteger.Parse("1" + "000" + "000" + "000" +
"000" + "000" + "000").ToBytesForRLPEncoding();
var data = "".HexToByteArray();
byte[] ZERO_BYTE_ARRAY = 0.ToBytesForRLPEncoding();
var chain = 1;
var chainId = ((int)chain).ToBytesForRLPEncoding();
//Create a transaction from scratch
var tx = new LegacyTransactionChainId(nonce, gasPrice, gasLimit, to, amount, data, chainId);
Assert.Equal(chainId, tx.ChainId);
Assert.Equal(ZERO_BYTE_ARRAY, tx.RHash);
Assert.Equal(ZERO_BYTE_ARRAY, tx.SHash);
var expectedSigningData =
"ec098504a817c800825208943535353535353535353535353535353535353535880de0b6b3a764000080018080";
Assert.Equal(expectedSigningData, tx.GetRLPEncodedRaw().ToHex());
var expectedSigningHash = "daf5a779ae972f972197303d7b574746c7ef83eadac0f2791ad23db92e4c8e53";
Assert.Equal(expectedSigningHash, tx.RawHash.ToHex());
var privateKey = "4646464646464646464646464646464646464646464646464646464646464646";
var key = new EthECKey(privateKey);
tx.Sign(key);
var rFromSignature = tx.Signature.R.ToBigIntegerFromRLPDecoded();
var expectedRFromSignature = "18515461264373351373200002665853028612451056578545711640558177340181847433846";
Assert.Equal(expectedRFromSignature, rFromSignature.ToString());
var sFromSignature = tx.Signature.S.ToBigIntegerFromRLPDecoded();
var expectedSFromSignature = "46948507304638947509940763649030358759909902576025900602547168820602576006531";
Assert.Equal(expectedSFromSignature, sFromSignature.ToString());
byte[] vFromSignature = tx.Signature.V;
Assert.Equal(37, vFromSignature.ToIntFromRLPDecoded());
var expectedSignedTx = "f86c098504a817c800825208943535353535353535353535353535353535353535880de0b6b3a76400008025a028ef61340bd939bc2195fe537567866003e1a15d3c71ff63e1590620aa636276a067cbe9d8997f761aecb703304b3800ccf555c9f3dc64214b297fb1966a3b6d83";
Assert.Equal(expectedSignedTx.Length, tx.GetRLPEncoded().ToHex().Length);
Assert.Equal(expectedSignedTx, tx.GetRLPEncoded().ToHex());
var recoveryTransaction = new LegacyTransactionChainId(tx.GetRLPEncoded());
Assert.True(recoveryTransaction.Key.VerifyAllowingOnlyLowS(recoveryTransaction.RawHash, recoveryTransaction.Signature));
Assert.Equal(key.GetPublicAddress(), recoveryTransaction.Key.GetPublicAddress());
}
