private async Task UpdateUserTransferWallet(string contractAddress, string erc20TokenAddress, string userAddress)
{
await TransferWalletSharedService.UpdateUserTransferWalletAsync(_userTransferWalletRepository, contractAddress,
erc20TokenAddress, userAddress, "");
}
/// <param name="depositContractAddress"></param>
/// <param name="erc20TokenAddress"></param>
/// <param name="destinationAddress"></param>
/// <returns>TransactionHash</returns>
public async Task <string> RecievePaymentFromDepositContract(string depositContractAddress,
string erc20TokenAddress, string destinationAddress)
{
var depositContract = await _contractRepository.GetByContractAddress(depositContractAddress);
if (depositContract == null)
{
throw new ClientSideException(ExceptionType.WrongParams, $"DepositContractAddress {depositContractAddress} does not exist");
}
var userWallet = await TransferWalletSharedService.GetUserTransferWalletAsync(_userTransferWalletRepository,
depositContractAddress, erc20TokenAddress, depositContract.UserAddress);
if (userWallet != null && !string.IsNullOrEmpty(userWallet.LastBalance))
{
throw new ClientSideException(ExceptionType.TransferInProcessing, $"Transfer from {depositContractAddress} was started before wait for it to complete");
}
var balance = await _ercInterfaceService.GetBalanceForExternalTokenAsync(depositContractAddress, erc20TokenAddress);
if (balance == 0)
{
throw new ClientSideException(ExceptionType.NotEnoughFunds, $"No tokens detected at deposit address {depositContractAddress}");
}
var guidStr = Guid.NewGuid().ToString();
var message = new Lykke.Service.EthereumCore.Core.Messages.LykkePay.LykkePayErc20TransferMessage()
{
OperationId = guidStr
};
var existingOperation = await _operationsRepository.GetAsync(guidStr);
if (existingOperation != null)
{
throw new ClientSideException(ExceptionType.EntityAlreadyExists, "Try again later");
}
var transactionSenderAddress = _appSettings.LykkePay.LykkePayAddress;
var estimationResult = await Erc20SharedService.EstimateDepositTransferAsync(_web3,
_settings.Erc20DepositContract.Abi,
transactionSenderAddress,
depositContractAddress,
erc20TokenAddress,
destinationAddress);
if (!estimationResult)
{
throw new ClientSideException(ExceptionType.WrongDestination, $"Can't estimate transfer {depositContractAddress}, {erc20TokenAddress}, {destinationAddress}");
}
await _operationsRepository.SaveAsync(new HotWalletOperation()
{
Amount = balance,
FromAddress = depositContractAddress,
OperationId = guidStr,
OperationType = HotWalletOperationType.Cashin,
ToAddress = destinationAddress,
TokenAddress = erc20TokenAddress
});
await _transferQueue.PutRawMessageAsync(Newtonsoft.Json.JsonConvert.SerializeObject(message));
await TransferWalletSharedService.UpdateUserTransferWalletAsync(_userTransferWalletRepository,
depositContractAddress, erc20TokenAddress, depositContract.UserAddress, balance.ToString());
return(guidStr);
}
//return whether we have sent to rabbit or not
private async Task <bool> SendCompleteEvent(string transactionHash, string operationId, bool success, QueueTriggeringContext context, CoinTransactionMessage transaction)
{
try
{
var operation = await GetOperationAsync(transactionHash, operationId);
if (operation == null)
{
return(false);
}
(BigInteger? amount, string blockHash, ulong blockNumber)transferedInfo = (null, null, 0);
string amount = operation.Amount.ToString();
switch (operation.OperationType)
{
case HotWalletOperationType.Cashout:
break;
case HotWalletOperationType.Cashin:
string userAddress = await _erc20DepositContractService.GetUserAddress(operation.FromAddress);
await TransferWalletSharedService.UpdateUserTransferWalletAsync(_userTransferWalletRepository, operation.FromAddress,
operation.TokenAddress, userAddress, "");
//There will be nothing to index in failed event
if (success)
{
transferedInfo =
await _transactionEventsService.IndexCashinEventsForErc20TransactionHashAsync(
transactionHash);
if (transferedInfo.amount == null ||
transferedInfo.amount == 0)
{
//Not yet indexed
SendMessageToTheQueueEnd(context, transaction, 10000);
return(false);
}
amount = transferedInfo.amount.ToString();
}
break;
default:
return(false);
}
EventType eventType = success ? EventType.Completed : EventType.Failed;
TransferEvent @event = new TransferEvent(operation.OperationId,
transactionHash,
amount,
operation.TokenAddress,
operation.FromAddress,
operation.ToAddress,
transferedInfo.blockHash,
transferedInfo.blockNumber,
SenderType.EthereumCore,
eventType,
WorkflowType.LykkePay,
DateTime.UtcNow);
await _rabbitQueuePublisher.PublshEvent(@event);
return(true);
}
catch (Exception e)
{
await _log.WriteErrorAsync(nameof(HotWalletMonitoringTransactionJob), "SendCompletedCoinEvent", $"trHash: {transactionHash}", e, DateTime.UtcNow);
SendMessageToTheQueueEnd(context, transaction, 100);
return(false);
}
}