fix order state on_order_refresh_successful on cleared order

octobot_trading/personal_data/orders/order_state.py

@@ -79,7 +79,8 @@ def get_logger(self):
         """
         :return: the order logger
         """
-        return logging.get_logger(self.order.get_logger_name())
+        return logging.get_logger(self.order.get_logger_name() if self.order is not None else
+                                  f"{self.__class__.__name__}_without_order")
 
     def log_order_event_message(self, state_message):
         """

octobot_trading/personal_data/orders/states/open_order_state.py

@@ -51,7 +51,9 @@ async def on_order_refresh_successful(self):
         """
         # skip refresh process if the current order state is not the same as the one triggering this
         # on_order_refresh_successful to avoid synchronization issues (state already got refreshed by another mean)
-        if self.state is self.order.state.state:
+        if self.order is None:
+            self.get_logger().warning(f"on_order_refresh_successful triggered on cleared order: ignoring update.")
+        elif self.state is self.order.state.state:
             if self.order.status is enums.OrderStatus.OPEN:
                 self.state = enums.OrderStates.OPEN
                 await self.update()