Refactor bot_start to separate function

to be reused further ...

freqtrade/freqtradebot.py

@@ -123,7 +123,7 @@ class FreqtradeBot(LoggingMixin):
                     self._schedule.every().day.at(t).do(update)
         self.last_process = datetime(1970, 1, 1, tzinfo=timezone.utc)
 
-        self.strategy.bot_start()
+        self.strategy.ft_bot_start()
 
     def notify_status(self, msg: str) -> None:
         """

freqtrade/optimize/backtesting.py

@@ -187,7 +187,7 @@ class Backtesting:
         # since a "perfect" stoploss-exit is assumed anyway
         # And the regular "stoploss" function would not apply to that case
         self.strategy.order_types['stoploss_on_exchange'] = False
-        self.strategy.bot_start()
+        self.strategy.ft_bot_start()
 
     def _load_protections(self, strategy: IStrategy):
         if self.config.get('enable_protections', False):

freqtrade/optimize/edge_cli.py

@@ -44,7 +44,7 @@ class EdgeCli:
 
         self.edge._timerange = TimeRange.parse_timerange(None if self.config.get(
             'timerange') is None else str(self.config.get('timerange')))
-        self.strategy.bot_start()
+        self.strategy.ft_bot_start()
 
     def start(self) -> None:
         result = self.edge.calculate(self.config['exchange']['pair_whitelist'])

freqtrade/plot/plotting.py

@@ -633,7 +633,7 @@ def load_and_plot_trades(config: Dict[str, Any]):
 
     exchange = ExchangeResolver.load_exchange(config['exchange']['name'], config)
     IStrategy.dp = DataProvider(config, exchange)
-    strategy.bot_start()
+    strategy.ft_bot_start()
     strategy.bot_loop_start()
     plot_elements = init_plotscript(config, list(exchange.markets), strategy.startup_candle_count)
     timerange = plot_elements['timerange']

freqtrade/strategy/interface.py

@@ -144,6 +144,13 @@ class IStrategy(ABC, HyperStrategyMixin):
                     informative_data.candle_type = config['candle_type_def']
                 self._ft_informative.append((informative_data, cls_method))
 
+    def ft_bot_start(self, **kwargs) -> None:
+        """
+        Strategy init - runs after dataprovider has been added.
+        Must call bot_start()
+        """
+        strategy_safe_wrapper(self.bot_start)()
+
     @abstractmethod
     def populate_indicators(self, dataframe: DataFrame, metadata: dict) -> DataFrame:
         """