Continuous Order Number about gocommerce HOT 5 CLOSED

	invoiceNumber, err := models.NextInvoiceNumber(tx, order.InstanceID)
	if err != nil {
		tx.Rollback()
		return internalServerError("We failed to generate a valid invoice ID, please try again later: %v", err)
	}

	tr := models.NewTransaction(order)
	processorID, err := charge(params.Amount, params.Currency, order, invoiceNumber)
	tr.ProcessorID = processorID
	tr.InvoiceNumber = invoiceNumber

	if err != nil {
		tr.FailureCode = strconv.FormatInt(http.StatusInternalServerError, 10)
		tr.FailureDescription = err.Error()
		tr.Status = models.FailedState
		tx.Create(tr)
		tx.Commit()
		return internalServerError("There was an error charging your card: %v", err).WithInternalError(err)
	}