Don't load leverage tiers when not necessary

freqtrade/exchange/exchange.py

@@ -88,7 +88,8 @@ class Exchange:
         # TradingMode.SPOT always supported and not required in this list
     ]
 
-    def __init__(self, config: Dict[str, Any], validate: bool = True) -> None:
+    def __init__(self, config: Dict[str, Any], validate: bool = True,
+                 load_leverage_tiers: bool = False) -> None:
         """
         Initializes this module with the given config,
         it does basic validation whether the specified exchange and pairs are valid.
@@ -186,7 +187,7 @@ class Exchange:
         self.markets_refresh_interval: int = exchange_config.get(
             "markets_refresh_interval", 60) * 60
 
-        if self.trading_mode != TradingMode.SPOT:
+        if self.trading_mode != TradingMode.SPOT and load_leverage_tiers:
             self.fill_leverage_tiers()
         self.additional_exchange_init()
 

freqtrade/freqtradebot.py

@@ -65,7 +65,8 @@ class FreqtradeBot(LoggingMixin):
         # Check config consistency here since strategies can set certain options
         validate_config_consistency(config)
 
-        self.exchange = ExchangeResolver.load_exchange(self.config['exchange']['name'], self.config)
+        self.exchange = ExchangeResolver.load_exchange(
+            self.config['exchange']['name'], self.config, load_leverage_tiers=True)
 
         init_db(self.config['db_url'])
 

freqtrade/optimize/backtesting.py

@@ -84,7 +84,8 @@ class Backtesting:
         self.processed_dfs: Dict[str, Dict] = {}
 
         self._exchange_name = self.config['exchange']['name']
-        self.exchange = ExchangeResolver.load_exchange(self._exchange_name, self.config)
+        self.exchange = ExchangeResolver.load_exchange(
+            self._exchange_name, self.config, load_leverage_tiers=True)
         self.dataprovider = DataProvider(self.config, self.exchange)
 
         if self.config.get('strategy_list'):

freqtrade/resolvers/exchange_resolver.py

@@ -18,7 +18,8 @@ class ExchangeResolver(IResolver):
     object_type = Exchange
 
     @staticmethod
-    def load_exchange(exchange_name: str, config: dict, validate: bool = True) -> Exchange:
+    def load_exchange(exchange_name: str, config: dict, validate: bool = True,
+                      load_leverage_tiers: bool = False) -> Exchange:
         """
         Load the custom class from config parameter
         :param exchange_name: name of the Exchange to load
@@ -29,9 +30,13 @@ class ExchangeResolver(IResolver):
         exchange_name = exchange_name.title()
         exchange = None
         try:
-            exchange = ExchangeResolver._load_exchange(exchange_name,
+            exchange = ExchangeResolver._load_exchange(
-                                                       kwargs={'config': config,
+                exchange_name,
-                                                               'validate': validate})
+                kwargs={
+                    'config': config,
+                    'validate': validate,
+                    'load_leverage_tiers': load_leverage_tiers}
+            )
         except ImportError:
             logger.info(
                 f"No {exchange_name} specific subclass found. Using the generic class instead.")

freqtrade/rpc/api_server/deps.py

@@ -37,7 +37,7 @@ def get_exchange(config=Depends(get_config)):
     if not ApiServer._exchange:
         from freqtrade.resolvers import ExchangeResolver
         ApiServer._exchange = ExchangeResolver.load_exchange(
-            config['exchange']['name'], config)
+            config['exchange']['name'], config, load_leverage_tiers=False)
     return ApiServer._exchange