feat: prod ready

src/application/commands/create_order_command.py

@@ -7,7 +7,8 @@ from src.application.contracts import ICache,ILogger
 from src.application.contracts import IItPayService
 from src.application.domain.entities.order import OrderEntity
 from src.application.domain.enums import OrderStatus
-from src.application.domain.exceptions import ApplicationException
+from src.application.domain.exceptions import ApplicationException,ServiceUnavailableException
+from src.infrastructure.config import settings
 from src.infrastructure.database.decorators import transactional
 from src.presentation.schemas.order import CreateOrder
 
@@ -38,17 +39,15 @@ class CreateOrderCommand:
 
         if rate_raw is None:
             self._logger.error('Exchange rate unavailable')
+            raise ServiceUnavailableException(message='Exchange rate unavailable')
 
         if gas_raw is None:
             self._logger.error('Exchange gas unavailable')
-
-        rate_raw = '2.00'
-        gas_raw = '1.00'
-        self._logger.info(f'Mocked market values: rate={rate_raw}, gas={gas_raw}')
+            raise ServiceUnavailableException(message='Exchange gas unavailable')
 
         actual_gas_fee = Decimal(gas_raw).quantize(Decimal('0.00'), rounding=ROUND_UP)
         actual_usdt_exchange_rate = Decimal(rate_raw).quantize(Decimal('0.00'), rounding=ROUND_UP)
-        actual_service_fee = (payment_data.usdt_amount * actual_usdt_exchange_rate * Decimal('0.04')).quantize(Decimal('0.01'))
+        actual_service_fee = (payment_data.usdt_amount * actual_usdt_exchange_rate * settings.PAYMENT_SERVICE_FEE_RATE).quantize(Decimal('0.01'))
         actual_total_price = (payment_data.usdt_amount * actual_usdt_exchange_rate + actual_service_fee + actual_gas_fee).quantize(Decimal('0.01'))
         if actual_total_price > payment_data.total_price * Decimal('1.01'):
             self._logger.error('Price has changed, please refresh and try again')