Added liq-formula to exchange classes

freqtrade/exchange/binance.py

@@ -25,6 +25,7 @@ class Binance(Exchange):
         "l2_limit_range": [5, 10, 20, 50, 100, 500, 1000],
     }
     interest_mode: InterestMode = InterestMode.HOURSPERDAY
+    liq_formula: LiqFormula = LiqFormula.BINANCE
 
     maintenance_margin_formula = LiqFormula.BINANCE
 

freqtrade/exchange/exchange.py

@@ -71,6 +71,7 @@ class Exchange:
     _ft_has: Dict = {}
     liq_formula: LiqFormula
     interest_mode: InterestMode = InterestMode.NONE
+    liq_formula: LiqFormula = LiqFormula.NONE
 
     def __init__(self, config: Dict[str, Any], validate: bool = True) -> None:
         """

freqtrade/exchange/ftx.py

@@ -5,6 +5,7 @@ from typing import Any, Dict
 import ccxt
 
 from freqtrade.enums import LiqFormula
+#from freqtrade.enums import InterestMode, LiqFormula
 from freqtrade.exceptions import (DDosProtection, InsufficientFundsError, InvalidOrderException,
                                   OperationalException, TemporaryError)
 from freqtrade.exchange import Exchange
@@ -21,8 +22,8 @@ class Ftx(Exchange):
         "stoploss_on_exchange": True,
         "ohlcv_candle_limit": 1500,
     }
-
-    maintenance_margin_formula = LiqFormula.FTX
+    #interest_mode: InterestMode = InterestMode.HOURSPERDAY
+    liq_formula: LiqFormula = LiqFormula.FTX
 
     def market_is_tradable(self, market: Dict[str, Any]) -> bool:
         """

freqtrade/exchange/kraken.py

@@ -24,6 +24,7 @@ class Kraken(Exchange):
         "trades_pagination_arg": "since",
     }
     interest_mode: InterestMode = InterestMode.HOURSPER4
+    liq_formula: LiqFormula = LiqFormula.KRAKEN
 
     maintenance_margin_formula = LiqFormula.KRAKEN