Add limit parameter to fetch_ohlcv

freqtrade/exchange/binance.py

@@ -18,6 +18,7 @@ class Binance(Exchange):
     _ft_has: Dict = {
         "stoploss_on_exchange": True,
         "order_time_in_force": ['gtc', 'fok', 'ioc'],
+        "ohlcv_candle_limit": 1000,
         "trades_pagination": "id",
         "trades_pagination_arg": "fromId",
         "l2_limit_range": [5, 10, 20, 50, 100, 500, 1000],

freqtrade/exchange/exchange.py

@@ -807,7 +807,8 @@ class Exchange:
             )
 
             data = await self._api_async.fetch_ohlcv(pair, timeframe=timeframe,
-                                                     since=since_ms)
+                                                     since=since_ms,
+                                                     limit=self._ohlcv_candle_limit)
 
             # Some exchanges sort OHLCV in ASC order and others in DESC.
             # Ex: Bittrex returns the list of OHLCV in ASC order (oldest first, newest last)

freqtrade/exchange/kraken.py

@@ -18,6 +18,7 @@ class Kraken(Exchange):
     _params: Dict = {"trading_agreement": "agree"}
     _ft_has: Dict = {
         "stoploss_on_exchange": True,
+        "ohlcv_candle_limit": 720,
         "trades_pagination": "id",
         "trades_pagination_arg": "since",
     }