Added funding_fee method headers to exchange, and implemented some of the methods

freqtrade/exchange/binance.py

@@ -3,12 +3,12 @@ import logging
 from typing import Dict, List, Optional
 
 import ccxt
-from datetime import time
+
 from freqtrade.exceptions import (DDosProtection, InsufficientFundsError, InvalidOrderException,
                                   OperationalException, TemporaryError)
 from freqtrade.exchange import Exchange
 from freqtrade.exchange.common import retrier
-from freqtrade.utils import hours_to_time
+
 
 logger = logging.getLogger(__name__)
 
@@ -23,7 +23,7 @@ class Binance(Exchange):
         "trades_pagination_arg": "fromId",
         "l2_limit_range": [5, 10, 20, 50, 100, 500, 1000],
     }
-    funding_fee_times: List[time] = hours_to_time([0, 8, 16])
+    funding_fee_times: List[int] = [0, 8, 16]  # hours of the day
 
     def stoploss_adjust(self, stop_loss: float, order: Dict) -> bool:
         """