public Transaction MakeTransaction(SignedTransactionBase ethTx)
{
return(new Transaction
{
// this is special case where empty uint160 is allowed
To = ethTx.ReceiveAddress?.ToUInt160() ?? UInt160Utils.Empty,
Value = ethTx.Value.ToUInt256(true),
From = ethTx.Key.GetPublicAddress().HexToBytes().ToUInt160(),
Nonce = Convert.ToUInt64(ethTx.Nonce.ToHex(), 16),
GasPrice = Convert.ToUInt64(ethTx.GasPrice.ToHex(), 16),
GasLimit = Convert.ToUInt64(ethTx.GasLimit.ToHex(), 16),
Invocation = ethTx.Data is null ? ByteString.Empty : ByteString.CopyFrom(ethTx.Data),
});
public IActionResult SignRawTx([FromBody] SignRequest sourceTx)
{
if (sourceTx.PrivateKeys.Count != 1)
{
BadRequest("One private key expected");
}
var unsignedTransaction = sourceTx.TransactionContext;
RLPSigner rlpEncoder;
byte[] transactionRawBytes;
try
{
transactionRawBytes = unsignedTransaction.HexToByteArray();
}
catch (FormatException)
{
return(BadRequest(ErrorResponse.Create($"Unsigned transaction is not a hex string: {unsignedTransaction}")));
}
try
{
rlpEncoder = SignedTransactionBase.CreateDefaultRLPSigner(transactionRawBytes);
}
catch (Exception)
{
return(BadRequest(ErrorResponse.Create($"Invalid unsigned transaction format: {unsignedTransaction}")));
}
var secret = new EthECKey(sourceTx.PrivateKeys.First());
rlpEncoder.Sign(secret);
var signedTx = new Transaction(rlpEncoder);
return(Ok(new SignResponse
{
SignedTransaction = signedTx.GetRLPEncoded().ToHex()
}));
}
