strategy callback on_whitelist_update

freqtrade/freqtradebot.py

@@ -179,6 +179,7 @@ class FreqtradeBot(LoggingMixin):
         # Query trades from persistence layer
         trades = Trade.get_open_trades()
 
+        current_pair_whitelist = self.active_pair_whitelist
         self.active_pair_whitelist = self._refresh_active_whitelist(trades)
 
         # Refreshing candles
@@ -214,6 +215,9 @@ class FreqtradeBot(LoggingMixin):
         Trade.commit()
         self.last_process = datetime.now(timezone.utc)
 
+        if current_pair_whitelist != self.active_pair_whitelist:
+            self.strategy.on_whitelist_update()
+
     def process_stopped(self) -> None:
         """
         Close all orders that were left open

freqtrade/strategy/interface.py

@@ -209,6 +209,13 @@ class IStrategy(ABC, HyperStrategyMixin):
         """
         pass
 
+    def on_whitelist_update(self, **kwargs) -> None:
+        """
+        Called every time the whitelist updates
+        :param **kwargs: Ensure to keep this here so updates to this won't break your strategy.
+        """
+        pass
+
     def check_buy_timeout(self, pair: str, trade: Trade, order: Order,
                           current_time: datetime, **kwargs) -> bool:
         """