Add entry_tag to leverage callback

closes #6929

tests/strategy/strats/strategy_test_v3.py

@@ -178,8 +178,8 @@ class StrategyTestV3(IStrategy):
         return dataframe
 
     def leverage(self, pair: str, current_time: datetime, current_rate: float,
-                 proposed_leverage: float, max_leverage: float, side: str,
-                 **kwargs) -> float:
+                 proposed_leverage: float, max_leverage: float, entry_tag: Optional[str],
+                 side: str, **kwargs) -> float:
         # Return 3.0 in all cases.
         # Bot-logic must make sure it's an allowed leverage and eventually adjust accordingly.
 

tests/strategy/test_interface.py

@@ -615,6 +615,7 @@ def test_leverage_callback(default_conf, side) -> None:
         proposed_leverage=1.0,
         max_leverage=5.0,
         side=side,
+        entry_tag=None,
         ) == 1
 
     default_conf['strategy'] = CURRENT_TEST_STRATEGY
@@ -626,6 +627,7 @@ def test_leverage_callback(default_conf, side) -> None:
         proposed_leverage=1.0,
         max_leverage=5.0,
         side=side,
+        entry_tag='entry_tag_test',
         ) == 3