public async Task <IActionResult> SubmitSignedTransaction([FromBody] PrivateWalletEthSignedTransaction ethTransactionSigned)
{
if (!ModelState.IsValid)
{
throw new ClientSideException(ExceptionType.WrongParams, JsonConvert.SerializeObject(ModelState.Errors()));
}
string serialized = JsonConvert.SerializeObject(ethTransactionSigned);
await _log.WriteInfoAsync("PrivateWalletController", "SubmitSignedTransaction", serialized
, "StartSubmitSignedTransaction", DateTime.UtcNow);
string transactionHash;
if (!await _transactionValidationService.IsTransactionErc20Transfer(ethTransactionSigned.SignedTransactionHex))
{
transactionHash = await _privateWalletService.SubmitSignedTransaction(ethTransactionSigned.FromAddress,
ethTransactionSigned.SignedTransactionHex);
}
else
{
transactionHash = await _erc20Service.SubmitSignedTransaction(ethTransactionSigned.FromAddress,
ethTransactionSigned.SignedTransactionHex);
}
await _log.WriteInfoAsync("PrivateWalletController", "SubmitSignedTransaction",
$"{serialized}-TransactionHash:{transactionHash}", "EndSubmitSignedTransaction", DateTime.UtcNow);
return(Ok(new HashResponse()
{
HashHex = transactionHash
}));
}
public async Task PrivateWalletServiceTest_TestBroadcastingMultiple()
{
string fromAddress = "0x46Ea3e8d85A06cBBd8c6a491a09409f5B59BEa28";
EthTransaction transaction = new EthTransaction()
{
FromAddress = fromAddress,
GasAmount = 21000,
GasPrice = 50000000000,
ToAddress = "0xaA4981d084120AEf4BbaEeCB9abdBc7D180C7EdB",
Value = 5000000000
};
for (int i = 0; i < 2; i++)
{
string trRaw = await _privateWallet.GetTransactionForSigning(transaction);
string signedRawTr = SignRawTransaction(trRaw, _privateKey);
string transactionHash;
if (!await _transactionValidationService.IsTransactionErc20Transfer(signedRawTr))
{
transactionHash = await _privateWallet.SubmitSignedTransaction(fromAddress, signedRawTr);
}
else
{
throw new Exception("Can;t reach it");
}
}
}
/// Example for debugging purpose: signedTransaction - 0xa9059cbb000000000000000000000000aa4981d084120aef4bbaeecb9abdbc7d180c7edb000000000000000000000000000000000000000000000000000000000000000a
public async Task ValidateInputForSignedAsync(string fromAddress, string signedTransaction)
{
await _transactionValidationService.ValidateInputForSignedAsync(fromAddress, signedTransaction);
Nethereum.Signer.Transaction transaction = new Nethereum.Signer.Transaction(signedTransaction.HexToByteArray());
string erc20Address = transaction.ReceiveAddress.ToHex().EnsureHexPrefix();
string erc20InvocationData = transaction.Data.ToHex().EnsureHexPrefix();
if (!await _transactionValidationService.IsTransactionErc20Transfer(signedTransaction))
{
throw new ClientSideException(ExceptionType.WrongParams, "Transaction is not a erc20 transfer");
}
string parametrsString = erc20InvocationData.Replace(Constants.Erc20TransferSignature, "");
var amount = parametrsString.Substring(64, 64);
HexBigInteger tokenAmount = new HexBigInteger(amount);
await ValidateTokenAddressBalanceAsync(fromAddress, erc20Address, tokenAmount);
}
