public async Task <BuildTransactionResponse> BuildSingleTransactionAsync(BuildSingleTransactionRequest request,
decimal feeFactor)
{
if (request.OperationId == Guid.Empty)
{
throw new BusinessException(ErrorReason.BadRequest, "Operation id is invalid");
}
// Check to see if already broadcasted.
var cachedResult = await _broadcastTxRepo.GetAsync(request.OperationId.ToString());
if (cachedResult != null)
{
throw new BusinessException(ErrorReason.DuplicateRecord, "Operation already broadcast");
}
var unsignedTx = await _unsignedTxRepo.GetAsync(request.OperationId.ToString());
if (unsignedTx?.ResponseJson != null)
{
return(JsonConvert.DeserializeObject <BuildTransactionResponse>(unsignedTx.ResponseJson));
}
var response = await _builder.BuildSingleTransactionAsync(request, feeFactor);
var entity = new UnsignedTransactionEntity(
request.OperationId,
JsonConvert.SerializeObject(request),
JsonConvert.SerializeObject(response)
);
await _unsignedTxRepo.InsertAsync(entity);
return(response);
}