public async Task BroadCastTransactionAsync(Guid operationId, Transaction tx)
{
var operation = await _operationMetaRepository.GetAsync(operationId);
if (operation == null)
{
throw new BusinessException("Operation not found", ErrorCode.BadInputParameter);
}
if (await _operationEventRepository.ExistAsync(operationId, OperationEventType.Broadcasted))
{
throw new BusinessException("Transaction already brodcasted", ErrorCode.TransactionAlreadyBroadcasted);
}
var hash = tx.GetHash().ToString();
await _transactionBlobStorage.AddOrReplaceTransactionAsync(operationId, hash,
TransactionBlobType.BeforeBroadcast, tx.ToHex());
var lastBlockHeight = await _blockChainProvider.GetLastBlockHeightAsync();
await _blockChainProvider.BroadCastTransactionAsync(tx);
await _observableOperationRepository.InsertOrReplaceAsync(ObervableOperation.Create(operation,
BroadcastStatus.InProgress, hash, lastBlockHeight));
await _unconfirmedTransactionRepository.InsertOrReplaceAsync(
UnconfirmedTransaction.Create(operationId, hash));
await _transactionOutputsService.CompleteTxOutputs(operationId, tx);
await _operationEventRepository.InsertIfNotExistAsync(OperationEvent.Create(operationId,
OperationEventType.Broadcasted));
}
private async Task CheckUnconfirmedTransaction(IUnconfirmedTransaction unconfirmedTransaction)
{
var operationMeta = await _operationMetaRepository.GetAsync(unconfirmedTransaction.OperationId);
if (operationMeta == null)
{
_log.Warning(unconfirmedTransaction.ToJson(), "OperationMeta not found");
return;
}
var confirmationCount = await _blockChainProvider.GetTxConfirmationCountAsync(unconfirmedTransaction.TxHash);
var isCompleted = confirmationCount >= _confirmationsSettings.MinConfirmationsToDetectOperation;
;
if (isCompleted)
{
//Force update balances
var fromAddressUpdatedBalance = await operationMeta.Inputs.SelectAsync(async o => await _walletBalanceService.UpdateBtcBalanceAsync(o.Address,
_confirmationsSettings.MinConfirmationsToDetectOperation))
;
var toAddressUpdatedBalance = await operationMeta.Outputs.SelectAsync(async o =>
await _walletBalanceService.UpdateBtcBalanceAsync(o.Address,
_confirmationsSettings.MinConfirmationsToDetectOperation));
var operationCompletedLoggingContext = new
{
unconfirmedTransaction.OperationId,
unconfirmedTransaction.TxHash,
fromAddressUpdatedBalance,
toAddressUpdatedBalance
};
await _operationEventRepository.InsertIfNotExistAsync(OperationEvent.Create(
unconfirmedTransaction.OperationId,
OperationEventType.DetectedOnBlockChain, operationCompletedLoggingContext));
_log.Info(operationCompletedLoggingContext.ToJson(), "Operation completed");
await _unconfirmedTransactionRepository.DeleteIfExistAsync(unconfirmedTransaction.OperationId);
}
var status = isCompleted
? BroadcastStatus.Completed
: BroadcastStatus.InProgress;
var lastBlockHeight = await _blockChainProvider.GetLastBlockHeightAsync();
await _observableOperationRepository.InsertOrReplaceAsync(ObervableOperation.Create(operationMeta, status,
unconfirmedTransaction.TxHash,
lastBlockHeight));
}