Added property _ft_has_default.ccxt_futures_name and removed subclass ccxt_config properties

freqtrade/exchange/binance.py

@@ -27,6 +27,7 @@ class Binance(Exchange):
         "trades_pagination": "id",
         "trades_pagination_arg": "fromId",
         "l2_limit_range": [5, 10, 20, 50, 100, 500, 1000],
+        "ccxt_futures_name": "future"
     }
     funding_fee_times: List[int] = [0, 8, 16]  # hours of the day
     # but the schedule won't check within this timeframe
@@ -38,24 +39,6 @@ class Binance(Exchange):
         # (TradingMode.FUTURES, Collateral.ISOLATED) # TODO-lev: Uncomment once supported
     ]
 
-    @property
-    def _ccxt_config(self) -> Dict:
-        # Parameters to add directly to ccxt sync/async initialization.
-        if self.trading_mode == TradingMode.MARGIN:
-            return {
-                "options": {
-                    "defaultType": "margin"
-                }
-            }
-        elif self.trading_mode == TradingMode.FUTURES:
-            return {
-                "options": {
-                    "defaultType": "future"
-                }
-            }
-        else:
-            return {}
-
     def stoploss_adjust(self, stop_loss: float, order: Dict, side: str) -> bool:
         """
         Verify stop_loss against stoploss-order value (limit or price)