use FtCoinGeckoApi for marketCapPairlist, too

freqtrade/plugins/pairlist/MarketCapPairList.py

@@ -8,12 +8,12 @@ import logging
 from typing import Any, Dict, List
 
 from cachetools import TTLCache
-from pycoingecko import CoinGeckoAPI
 
 from freqtrade.constants import Config
 from freqtrade.exceptions import OperationalException
 from freqtrade.exchange.types import Tickers
 from freqtrade.plugins.pairlist.IPairList import IPairList, PairlistParameter
+from freqtrade.util.coin_gecko import FtCoinGeckoApi
 
 
 logger = logging.getLogger(__name__)
@@ -44,7 +44,13 @@ class MarketCapPairList(IPairList):
         self._refresh_period = self._pairlistconfig.get("refresh_period", 86400)
         self._marketcap_cache: TTLCache = TTLCache(maxsize=1, ttl=self._refresh_period)
         self._def_candletype = self._config["candle_type_def"]
-        self._coingecko: CoinGeckoAPI = CoinGeckoAPI()
+
+        _coingecko_config = config.get("coingecko", {})
+
+        self._coingecko: FtCoinGeckoApi = FtCoinGeckoApi(
+            api_key=_coingecko_config.get("api_key", ""),
+            is_demo=_coingecko_config.get("is_demo", True),
+        )
 
         if self._max_rank > 250:
             raise OperationalException("This filter only support marketcap rank up to 250.")