load pairlists via resolver

freqtrade/pairlist/StaticPairList.py

@@ -5,43 +5,16 @@ Provides lists as configured in config.json
 
  """
 import logging
-from typing import List
+
+from freqtrade.pairlist.IPairList import IPairList
 
 logger = logging.getLogger(__name__)
 
 
-class StaticPairList(object):
+class StaticPairList(IPairList):
 
     def __init__(self, freqtrade, config: dict) -> None:
-        self._freqtrade = freqtrade
-        self._config = config
-        self._whitelist = self._config['exchange']['pair_whitelist']
-        self._blacklist = self._config['exchange'].get('pair_blacklist', [])
-        # self.refresh_whitelist()
-
-    @property
-    def name(self) -> str:
-        """
-        Gets name of the class
-        -> no need to overwrite in subclasses
-        """
-        return self.__class__.__name__
-
-    @property
-    def whitelist(self) -> List[str]:
-        """
-        Has the current whitelist
-        -> no need to overwrite in subclasses
-        """
-        return self._whitelist
-
-    @property
-    def blacklist(self) -> List[str]:
-        """
-        Has the current blacklist
-        -> no need to overwrite in subclasses
-        """
-        return self._blacklist
+        super().__init__(freqtrade, config)
 
     def short_desc(self) -> str:
         """
@@ -50,41 +23,8 @@ class StaticPairList(object):
         """
         return f"{self.name}: {self.whitelist}"
 
-    def refresh_whitelist(self) -> None:
+    def refresh_pairlist(self) -> None:
         """
-        Refreshes whitelist and assigns it to self._whitelist
+        Refreshes pairlists and assigns them to self._whitelist and self._blacklist respectively
         """
         self._whitelist = self._validate_whitelist(self._config['exchange']['pair_whitelist'])
-
-    def _validate_whitelist(self, whitelist: List[str]) -> List[str]:
-        """
-        Check available markets and remove pair from whitelist if necessary
-        :param whitelist: the sorted list (based on BaseVolume) of pairs the user might want to
-        trade
-        :return: the list of pairs the user wants to trade without the one unavailable or
-        black_listed
-        """
-        sanitized_whitelist = whitelist
-        markets = self._freqtrade.exchange.get_markets()
-
-        # Filter to markets in stake currency
-        markets = [m for m in markets if m['quote'] == self._config['stake_currency']]
-        known_pairs = set()
-
-        for market in markets:
-            pair = market['symbol']
-            # pair is not int the generated dynamic market, or in the blacklist ... ignore it
-            if pair not in whitelist or pair in self.blacklist:
-                continue
-            # else the pair is valid
-            known_pairs.add(pair)
-            # Market is not active
-            if not market['active']:
-                sanitized_whitelist.remove(pair)
-                logger.info(
-                    'Ignoring %s from whitelist. Market is not active.',
-                    pair
-                )
-
-        # We need to remove pairs that are unknown
-        return [x for x in sanitized_whitelist if x in known_pairs]