From c9ba52d7321b2cae17776c66723c837a75c3bfdf Mon Sep 17 00:00:00 2001 From: Matthias Date: Tue, 14 Sep 2021 06:30:18 +0200 Subject: [PATCH] Expire cached pairs in age-filter once per day --- freqtrade/plugins/pairlist/AgeFilter.py | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/freqtrade/plugins/pairlist/AgeFilter.py b/freqtrade/plugins/pairlist/AgeFilter.py index 32fef5fb0..1fba00123 100644 --- a/freqtrade/plugins/pairlist/AgeFilter.py +++ b/freqtrade/plugins/pairlist/AgeFilter.py @@ -11,6 +11,7 @@ from pandas import DataFrame from freqtrade.exceptions import OperationalException from freqtrade.misc import plural from freqtrade.plugins.pairlist.IPairList import IPairList +from freqtrade.configuration import PeriodicCache logger = logging.getLogger(__name__) @@ -25,6 +26,7 @@ class AgeFilter(IPairList): # Checked symbols cache (dictionary of ticker symbol => timestamp) self._symbolsChecked: Dict[str, int] = {} + self._too_young_pairs = PeriodicCache(maxsize=1000, ttl=86_400) self._min_days_listed = pairlistconfig.get('min_days_listed', 10) self._max_days_listed = pairlistconfig.get('max_days_listed', None) @@ -69,10 +71,12 @@ class AgeFilter(IPairList): :param tickers: Tickers (from exchange.get_tickers()). May be cached. :return: new allowlist """ - needed_pairs = [(p, '1d') for p in pairlist if p not in self._symbolsChecked] + needed_pairs = [ + (p, '1d') for p in pairlist + if p not in self._symbolsChecked and p not in self._too_young_pairs] if not needed_pairs: return pairlist - + logger.info(f"needed pairs {needed_pairs}") since_days = -( self._max_days_listed if self._max_days_listed else self._min_days_listed ) - 1 @@ -118,5 +122,6 @@ class AgeFilter(IPairList): " or more than " f"{self._max_days_listed} {plural(self._max_days_listed, 'day')}" ) if self._max_days_listed else ''), logger.info) + self._too_young_pairs[pair] = arrow.utcnow().int_timestamp * 1000 return False return False