private async Task <string> SignAndSendTransactionAsync(TransactionInput transaction)
{
if (Client == null)
{
throw new NullReferenceException("Client not configured");
}
if (transaction == null)
{
throw new ArgumentNullException(nameof(transaction));
}
if (!transaction.From.IsTheSameAddress(Account.Address))
{
throw new Exception("Invalid account used signing");
}
if (PrivateFor != null && PrivateFor.Count > 0)
{
var enclave = new QuorumEnclave(PrivateUrl);
var key = await enclave.StoreRawAsync(Convert.ToBase64String(transaction.Data.HexToByteArray()), PrivateFrom);
transaction.Data = Convert.FromBase64String(key).ToHex();
}
var ethSendTransaction = new EthSendRawTransaction(Client);
var signedTransaction = await SignTransactionRetrievingNextNonceAsync(transaction).ConfigureAwait(false);
return(await ethSendTransaction.SendRequestAsync(signedTransaction.EnsureHexPrefix()).ConfigureAwait(false));
}
/// <summary>
/// Sends a message to an ethereum smart contract with the intent to change a part of the contract on the blockchain.
/// </summary>
/// <typeparam name="TFunc"> The type of the function to execute. </typeparam>
/// <param name="function"> The function to execute. </param>
/// <param name="privateKey"> The private key of the address executing the contract function. </param>
/// <param name="contractAddress"> The address of the contract which will process the message. </param>
/// <param name="gasPrice"> The gas price (in wei) to use to send the transaction. </param>
/// <param name="gasLimit"> The gas limit (in wei) to use to send the transaction. </param>
/// <param name="value"> The amount of eth (in wei) to send with the transaction. </param>
/// <returns> Task which returns the TransactionPoller which will await the transaction result. </returns>
public static async Task <TransactionPoller> SendContractMessage <TFunc>(
TFunc function,
string privateKey,
string contractAddress,
BigInteger gasPrice,
BigInteger gasLimit,
BigInteger value) where TFunc : FunctionMessage, new()
{
EthECKey ethECKey = new EthECKey(privateKey);
function.SetDefaultFromAddressIfNotSet(ethECKey.GetPublicAddress());
function.Gas = gasLimit;
function.GasPrice = gasPrice;
InMemoryNonceService nonceService = new InMemoryNonceService(ethECKey.GetPublicAddress(), NetworkProvider.GetWeb3().Client);
TransactionSigner signer = new TransactionSigner();
string signedTxData = signer.SignTransaction(
privateKey,
NetworkProvider.GetActiveNetworkChain(),
contractAddress,
value,
(await nonceService.GetNextNonceAsync()).Value,
gasPrice,
gasLimit,
function.CreateTransactionInput(contractAddress).Data);
EthSendRawTransaction rawTransaction = new EthSendRawTransaction(NetworkProvider.GetWeb3().Client);
return(new TransactionPoller(await rawTransaction.SendRequestAsync(signedTxData)));
}
private async Task <string> SignAndSendTransactionAsync(TransactionInput transaction)
{
if (Client == null)
{
throw new NullReferenceException("Client not configured");
}
if (transaction == null)
{
throw new ArgumentNullException(nameof(transaction));
}
if (transaction.From.EnsureHexPrefix().ToLower() != _account.Address.EnsureHexPrefix().ToLower())
{
throw new Exception("Invalid account used signing");
}
SetDefaultGasPriceAndCostIfNotSet(transaction);
var ethSendTransaction = new EthSendRawTransaction(Client);
var nonce = await GetNonceAsync(transaction);
var gasPrice = transaction.GasPrice;
var gasLimit = transaction.Gas;
var value = transaction.Value;
if (value == null)
{
value = new HexBigInteger(0);
}
var signedTransaction = _transactionSigner.SignTransaction(_account.PrivateKey, transaction.To, value.Value, nonce,
gasPrice.Value, gasLimit.Value, transaction.Data);
return(await ethSendTransaction.SendRequestAsync(signedTransaction.EnsureHexPrefix()).ConfigureAwait(false));
}
public async Task <string> SubmitSignedTransaction(string from, string signedTrHex)
{
bool isSignedRight = await _signatureChecker.CheckTransactionSign(from, signedTrHex);
if (!isSignedRight)
{
throw new ClientSideException(ExceptionType.WrongSign, "WrongSign");
}
var ethSendTransaction = new EthSendRawTransaction(_web3.Client);
string transactionHex;
try
{
transactionHex = await ethSendTransaction.SendRequestAsync(signedTrHex);
}
catch (Nethereum.JsonRpc.Client.RpcResponseException ex)
{
if (ex.Message == "intrinsic gas too low")
{
throw new ClientSideException(ExceptionType.TransactionRequiresMoreGas, ex.Message);
}
throw ex;
}
return(transactionHex);
}
public async Task <object> ExecuteTestAsync(IClient client)
{
var ethSendRawTransaction = new EthSendRawTransaction(client);
return
(await
ethSendRawTransaction.SendRequestAsync(
"0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675"));
}
public EthApiTransactionsService(IClient client) : base(client)
{
Call = new EthCall(client);
EstimateGas = new EthEstimateGas(client);
GetTransactionByBlockHashAndIndex = new EthGetTransactionByBlockHashAndIndex(client);
GetTransactionByBlockNumberAndIndex = new EthGetTransactionByBlockNumberAndIndex(client);
GetTransactionByHash = new EthGetTransactionByHash(client);
GetTransactionCount = new EthGetTransactionCount(client);
GetTransactionReceipt = new EthGetTransactionReceipt(client);
SendRawTransaction = new EthSendRawTransaction(client);
SendTransaction = new EthSendTransaction(client);
}
public EthTransactionsService(IClient client) : base(client)
{
Call = new EthCall(client);
EstimateGas = new EthEstimateGas(client);
GetTransactionByBlockHashAndIndex = new EthGetTransactionByBlockHashAndIndex(client);
GetTransactionByBlockNumberAndIndex = new EthGetTransactionByBlockNumberAndIndex(client);
GetTransactionByHash = new EthGetTransactionByHash(client);
GetTransactionCount = new EthGetTransactionCount(client);
GetTransactionReceipt = new EthGetTransactionReceipt(client);
SendRawTransaction = new EthSendRawTransaction(client);
SendTransaction = new EthSendTransaction(client);
}
public Task <string> SendRawTransactionAsync(string signedTransaction)
{
if (Client == null)
{
throw new NullReferenceException("Client not configured");
}
if (string.IsNullOrEmpty(signedTransaction))
{
throw new ArgumentNullException(nameof(signedTransaction));
}
var ethSendRawTransaction = new EthSendRawTransaction(Client);
return(ethSendRawTransaction.SendRequestAsync(signedTransaction));
}
public async Task <string> SendTransactionAsync <T>(T transaction) where T : TransactionInput
{
var ethSendTransaction = new EthSendRawTransaction(Client);
var nonce = await GetNonceAsync(transaction);
var value = transaction.Value?.Value ?? 0;
var gasPrice = await EstimateGasPrice();
var gasValue = transaction.Gas?.Value ?? Transaction.DEFAULT_GAS_LIMIT;
var tr = new Transaction(transaction.To, value, nonce, gasPrice, gasValue, transaction.Data);
var hex = tr.GetRLPEncoded().ToHex();
var response = await _signatureApi.SignTransaction(new SignRequest { From = transaction.From, Transaction = hex });
return(await ethSendTransaction.SendRequestAsync(response.SignedTransaction.EnsureHexPrefix()).ConfigureAwait(false));
}
private async Task <string> SignAndSendTransactionAsync(TransactionInput transaction)
{
if (Client == null)
{
throw new NullReferenceException("Client not configured");
}
if (transaction == null)
{
throw new ArgumentNullException(nameof(transaction));
}
if (transaction.From.EnsureHexPrefix().ToLower() != Account.Address.EnsureHexPrefix().ToLower())
{
throw new Exception("Invalid account used signing");
}
var ethSendTransaction = new EthSendRawTransaction(Client);
var signedTransaction = await SignTransactionRetrievingNextNonceAsync(transaction);
return(await ethSendTransaction.SendRequestAsync(signedTransaction.EnsureHexPrefix()).ConfigureAwait(false));
}
public LykkeSignedTransactionManager(
IBaseSettings baseSettings,
INonceCalculator nonceCalculator,
ILykkeSigningAPI signingApi,
ITransactionRouter transactionRouter,
Web3 web3,
IGasPriceRepository gasPriceRepository)
{
_baseSettings = baseSettings;
_estimateGas = new EthEstimateGas(web3.Client);
_nonceCalculator = nonceCalculator;
_semaphores = new ConcurrentDictionary <string, SemaphoreSlim>();
_sendRawTransaction = new EthSendRawTransaction(web3.Client);
_signingApi = signingApi;
_transactionRouter = transactionRouter;
_web3 = web3;
_gasPriceRepository = gasPriceRepository;
Client = web3.Client;
}
private async Task <string> SignAndSendTransaction(TransactionInput transaction)
{
if (Client == null)
{
throw new NullReferenceException("Client not configured");
}
if (transaction.From.EnsureHexPrefix().ToLower() != _account.EnsureHexPrefix().ToLower())
{
throw new Exception("Invalid account used signing");
}
var ethSendTransaction = new EthSendRawTransaction(Client);
var nonce = await GetNonceAsync(transaction);
var gasPrice = transaction.GasPrice;
if (gasPrice == null)
{
gasPrice = new HexBigInteger(Transaction.DEFAULT_GAS_PRICE);
}
var gasLimit = transaction.Gas;
if (gasLimit == null)
{
gasLimit = new HexBigInteger(Transaction.DEFAULT_GAS_LIMIT);
}
var value = transaction.Value;
if (value == null)
{
value = new HexBigInteger(0);
}
var signedTransaction = _transactionSigner.SignTransaction(_privateKey, transaction.To, value.Value, nonce,
gasPrice.Value, gasLimit.Value, transaction.Data);
return(await ethSendTransaction.SendRequestAsync(signedTransaction.EnsureHexPrefix()).ConfigureAwait(false));
}
/// <summary>
/// Sends a given amount of ether to an address.
/// </summary>
/// <param name="privateKey"> The private key of the address which is sending the ether. </param>
/// <param name="addressTo"> The address the ether is being sent to. </param>
/// <param name="amount"> The amount of ether being sent, in eth. (not wei) </param>
/// <param name="gasPrice"> The gas price (in wei) to use to send the transaction. </param>
/// <param name="gasLimit"> The gas limit (in wei) to use to send the transaction. </param>
/// <returns> Task which returns the TransactionPoller which will await the transaction result. </returns>
public static async Task <TransactionPoller> SendEther(string privateKey, string addressTo, decimal amount, BigInteger gasPrice, BigInteger gasLimit)
{
BigInteger value = SolidityUtils.ConvertToUInt(amount, 18);
EthECKey ethECKey = new EthECKey(privateKey);
InMemoryNonceService nonceService = new InMemoryNonceService(ethECKey.GetPublicAddress(), NetworkProvider.GetWeb3().Client);
TransactionSigner signer = new TransactionSigner();
string signedTxData = signer.SignTransaction(
privateKey,
NetworkProvider.GetActiveNetworkChain(),
addressTo,
value,
(await nonceService.GetNextNonceAsync()).Value,
gasPrice,
gasLimit,
string.Empty);
EthSendRawTransaction rawTransaction = new EthSendRawTransaction(NetworkProvider.GetWeb3().Client);
return(new TransactionPoller(await rawTransaction.SendRequestAsync(signedTxData)));
}
private async Task <string> SendViaRelay(
string relayUrl,
TransactionInput transaction,
BigInteger txFee,
BigInteger gasPrice,
BigInteger gasLimit,
BigInteger nonce,
string relayHubAddress,
string relayAddress,
string signature,
string approvalData,
BigInteger relayMaxNonce)
{
var requestData = new RelayRequest
{
EncodedFunction = transaction.Data,
Signature = signature.HexToByteArray(),
ApprovalData = approvalData.HexToByteArray(),
From = transaction.From,
To = transaction.To,
GasPrice = gasPrice,
GasLimit = gasLimit,
RelayFee = txFee,
RecipientNonce = nonce,
RelayMaxNonce = relayMaxNonce,
RelayHubAddress = relayHubAddress,
UserAgent = _options.UserAgent
};
RelayResponse relayResponse = await _relayClient.RelayAsync(new Uri(relayUrl), requestData)
.ConfigureAwait(false);
if (!string.IsNullOrEmpty(relayResponse.Error))
{
throw new Exception(relayResponse.Error);
}
if (relayResponse.Nonce.Value.IsZero)
{
throw new Exception("Empty body received from server, or neither 'error' nor 'nonce' fields present.");
}
ValidateTx(
relayResponse,
transaction,
txFee,
gasPrice,
gasLimit,
nonce,
relayHubAddress,
relayAddress);
var tx = relayResponse.ToTransaction();
string hash = string.Empty;
var ethSendTransaction = new EthSendRawTransaction(_client);
try
{
hash = await ethSendTransaction.SendRequestAsync(tx.GetRLPEncoded().ToHex().EnsureHexPrefix())
.ConfigureAwait(false);
}
catch (Exception ex)
{
if (!ex.Message.Contains("the tx doesn't have the correct nonce") &&
!ex.Message.Contains("known transaction") &&
!ex.Message.Contains("nonce too low"))
{
throw ex;
}
}
var txHash = relayResponse.Hash;
if (!string.IsNullOrEmpty(hash) &&
relayResponse.Hash.EnsureHexPrefix().ToLower() != hash.EnsureHexPrefix().ToLower())
{
txHash = hash;
}
return(txHash);
}
public async Task<dynamic> ExecuteTestAsync(RpcClient client)
{
var ethSendRawTransaction = new EthSendRawTransaction(client);
return await ethSendRawTransaction.SendRequestAsync( "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675");
}
