Add ticker_interval support in strategy class

freqtrade/strategy/default_strategy.py

@@ -27,6 +27,9 @@ class DefaultStrategy(IStrategy):
     # Optimal stoploss designed for the strategy
     stoploss = -0.10
 
+    # Optimal ticker interval for the strategy
+    ticker_interval = 5
+
     def populate_indicators(self, dataframe: DataFrame) -> DataFrame:
         """
         Adds several different TA indicators to the given DataFrame

freqtrade/strategy/interface.py

@@ -15,7 +15,8 @@ class IStrategy(ABC):
     """
     Attributes you can use:
         minimal_roi -> Dict: Minimal ROI designed for the strategy
-        stoploss -> float: ptimal stoploss designed for the strategy
+        stoploss -> float: optimal stoploss designed for the strategy
+        ticker_interval -> int: value of the ticker interval to use for the strategy
     """
 
     @abstractmethod

freqtrade/strategy/strategy.py

@@ -41,10 +41,23 @@ class Strategy(object):
 
         if 'stoploss' in config:
             self.custom_strategy.stoploss = config['stoploss']
-            self.logger.info("Override strategy \'stoploss\' with value in config file.")
+            self.logger.info(
+                "Override strategy \'stoploss\' with value in config file: {}.".format(
+                    config['stoploss']
+                )
+            )
+
+        if 'ticker_interval' in config:
+            self.custom_strategy.ticker_interval = config['ticker_interval']
+            self.logger.info(
+                "Override strategy \'ticker_interval\' with value in config file: {}.".format(
+                    config['ticker_interval']
+                )
+            )
 
         self.minimal_roi = self.custom_strategy.minimal_roi
         self.stoploss = self.custom_strategy.stoploss
+        self.ticker_interval = self.custom_strategy.ticker_interval
 
     def _load_strategy(self, strategy_name: str) -> None:
         """