Load parameters from file

freqtrade/resolvers/strategy_resolver.py

@@ -53,6 +53,21 @@ class StrategyResolver(IResolver):
                     )
                 strategy.timeframe = strategy.ticker_interval
 
+        if strategy._ft_params_from_file:
+            # Set parameters from Hyperopt results file
+            params = strategy._ft_params_from_file
+            strategy.minimal_roi = params.get('roi', strategy.minimal_roi)
+
+            strategy.stoploss = params.get('stoploss', {}).get('stoploss', strategy.stoploss)
+            trailing = params.get('trailing', {})
+            strategy.trailing_stop = trailing.get('trailing_stop', strategy.trailing_stop)
+            strategy.trailing_stop_positive = trailing.get('trailing_stop_positive',
+                                                           strategy.trailing_stop_positive)
+            strategy.trailing_stop_positive_offset = trailing.get(
+                'trailing_stop_positive_offset', strategy.trailing_stop_positive_offset)
+            strategy.trailing_only_offset_is_reached = trailing.get(
+                'trailing_only_offset_is_reached', strategy.trailing_only_offset_is_reached)
+
         # Set attributes
         # Check if we need to override configuration
         #             (Attribute name,                    default,     subkey)

freqtrade/strategy/hyper.py

@@ -309,6 +309,7 @@ class HyperStrategyMixin(object):
         """
         params = self.load_params_from_file()
         params = params.get('params', {})
+        self._ft_params_from_file = params
         buy_params = deep_merge_dicts(params.get('buy', {}), getattr(self, 'buy_params', None))
         sell_params = deep_merge_dicts(params.get('sell', {}), getattr(self, 'sell_params', None))
 
@@ -324,7 +325,7 @@ class HyperStrategyMixin(object):
         if filename.is_file():
             logger.info(f"Loading parameters from file {filename}")
             params = json_load(filename.open('r'))
-            if params.get('strategy_name') != self.get_strategy_name():
+            if params.get('strategy_name') != self.__class__.__name__:
                 raise OperationalException('Invalid parameter file provided')
             return params
         logger.info("Found no parameter file.")

freqtrade/strategy/interface.py

@@ -62,6 +62,7 @@ class IStrategy(ABC, HyperStrategyMixin):
     _populate_fun_len: int = 0
     _buy_fun_len: int = 0
     _sell_fun_len: int = 0
+    _ft_params_from_file: Dict = {}
     # associated minimal roi
     minimal_roi: Dict