public async Task <string> GetTransactionForSigning(EthTransaction ethTransaction, bool useTxPool = false)
{
string from = ethTransaction.FromAddress;
var gas = new Nethereum.Hex.HexTypes.HexBigInteger(ethTransaction.GasAmount);
var gasPrice = new Nethereum.Hex.HexTypes.HexBigInteger(ethTransaction.GasPrice);
var nonce = await _nonceCalculator.GetNonceAsync(from, useTxPool);
var to = ethTransaction.ToAddress;
var value = new Nethereum.Hex.HexTypes.HexBigInteger(ethTransaction.Value);
var tr = new Nethereum.Signer.Transaction(to, value, nonce, gasPrice, gas);
var hex = tr.GetRLPEncoded().ToHex();
return(hex);
}
private async Task <string> SendTransactionAsync(string from, string to, string data, BigInteger value, BigInteger?gasPrice, BigInteger?gasValue)
{
from = from == Constants.AddressForRoundRobinTransactionSending
? await _transactionRouter.GetNextSenderAddressAsync()
: from;
var semaphore = _semaphores.GetOrAdd(from, f => new SemaphoreSlim(1, 1));
try
{
await semaphore.WaitAsync();
(gasPrice, gasValue) = await GetGasPriceAndValueAsync(gasPrice, gasValue);
var nonce = await _nonceCalculator.GetNonceAsync(from, true);
var transaction = new Nethereum.Signer.Transaction(to, value, nonce.Value, gasPrice.Value, gasValue.Value, data);
var signRequest = new EthereumTransactionSignRequest
{
FromProperty = new AddressUtil().ConvertToChecksumAddress(from),
Transaction = transaction.GetRLPEncoded().ToHex()
};
var signResponse = await _signingApi.ApiEthereumSignPostAsync(signRequest);
var txHash = await _sendRawTransaction.SendRequestAsync(signResponse.SignedTransaction.EnsureHexPrefix());
return(txHash);
}
finally
{
semaphore.Release();
}
}
public async Task <string> GetTransferTransactionRaw(Erc20Transaction erc20Transaction, bool useTxPool = false)
{
Contract contract = GetContract(erc20Transaction.TokenAddress);
Function transferFunction = contract.GetFunction("transfer");
string functionDataEncoded = transferFunction.GetData(erc20Transaction.ToAddress, erc20Transaction.TokenAmount);
BigInteger nonce = await _nonceCalculator.GetNonceAsync(erc20Transaction.FromAddress, useTxPool);
var transaction = CreateTransactionInput(functionDataEncoded, erc20Transaction.TokenAddress, erc20Transaction.FromAddress,
erc20Transaction.GasAmount, erc20Transaction.GasPrice, nonce, 0);
string raw = transaction.GetRLPEncoded().ToHex();
return(raw);
}