stable/freqtrade/pairlist/StaticPairList.py
2019-11-09 13:40:36 +01:00

45 lines
1.4 KiB
Python

"""
Static List provider
Provides lists as configured in config.json
"""
import logging
from typing import Dict, List
from freqtrade.pairlist.IPairList import IPairList
logger = logging.getLogger(__name__)
class StaticPairList(IPairList):
def __init__(self, exchange, pairlistmanager, config, pairlistconfig: dict) -> None:
super().__init__(exchange, pairlistmanager, config, pairlistconfig)
@property
def needstickers(self) -> bool:
"""
Boolean property defining if tickers are necessary.
If no Pairlist requries tickers, an empty List is passed
as tickers argument to filter_pairlist
"""
return False
def short_desc(self) -> str:
"""
Short whitelist method description - used for startup-messages
-> Please overwrite in subclasses
"""
return f"{self.name}"
def filter_pairlist(self, pairlist: List[str], tickers: Dict) -> List[str]:
"""
Filters and sorts pairlist and returns the whitelist again.
Called on each bot iteration - please use internal caching if necessary
:param pairlist: pairlist to filter or sort
:param tickers: Tickers (from exchange.get_tickers()). May be cached.
:return: new whitelist
"""
return self._whitelist_for_active_markets(self._config['exchange']['pair_whitelist'])