Add bot_loop_start callback

freqtrade/strategy/interface.py

@@ -190,6 +190,15 @@ class IStrategy(ABC):
         """
         return False
 
+    def bot_loop_start(self, **kwargs) -> None:
+        """
+        Called at the start of the bot iteration (one loop).
+        Might be used to perform pair-independent tasks
+        (e.g. like lock pairs with negative profit in the last hour)
+        :param **kwargs: Ensure to keep this here so updates to this won't break your strategy.
+        """
+        pass
+
     def informative_pairs(self) -> ListPairsWithTimeframes:
         """
         Define additional, informative pair/interval combinations to be cached from the exchange.