public async Task <IActionResult> Broadcast([Required, FromBody] BroadcastTransactionRequest request) { if (!ModelState.IsValid) { return(BadRequest(ModelState.ToErrorResponse())); } var transaction = _dynamicService.GetTransaction(request.SignedTransaction); if (transaction == null) { return(BadRequest(ErrorResponse.Create($"{nameof(request.SignedTransaction)} is not a valid"))); } var broadcast = await _dynamicService.GetBroadcastAsync(request.OperationId); if (broadcast != null) { return(new StatusCodeResult(StatusCodes.Status409Conflict)); } await _log.WriteInfoAsync(nameof(TransactionsController), nameof(Broadcast), request.ToJson(), "Broadcast transaction"); await _dynamicService.BroadcastAsync(transaction, request.OperationId); return(Ok()); }