mirror of
https://github.com/freqtrade/freqtrade.git
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73 lines
2.5 KiB
Python
73 lines
2.5 KiB
Python
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import logging
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from datetime import datetime, timedelta
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from typing import Any, Dict
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from freqtrade.persistence import Trade
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from freqtrade.plugins.protections import IProtection, ProtectionReturn
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logger = logging.getLogger(__name__)
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class CooldownPeriod(IProtection):
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has_global_stop: bool = False
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has_local_stop: bool = True
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def __init__(self, config: Dict[str, Any], protection_config: Dict[str, Any]) -> None:
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super().__init__(config, protection_config)
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def _reason(self) -> str:
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"""
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LockReason to use
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"""
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return (f'Cooldown period for {self.stop_duration_str}.')
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def short_desc(self) -> str:
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"""
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Short method description - used for startup-messages
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"""
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return (f"{self.name} - Cooldown period of {self.stop_duration_str}.")
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def _cooldown_period(self, pair: str, date_now: datetime, ) -> ProtectionReturn:
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"""
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Get last trade for this pair
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"""
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look_back_until = date_now - timedelta(minutes=self._stop_duration)
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# filters = [
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# Trade.is_open.is_(False),
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# Trade.close_date > look_back_until,
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# Trade.pair == pair,
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# ]
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# trade = Trade.get_trades(filters).first()
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trades = Trade.get_trades_proxy(pair=pair, is_open=False, close_date=look_back_until)
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if trades:
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# Get latest trade
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trade = sorted(trades, key=lambda t: t.close_date)[-1]
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self.log_once(f"Cooldown for {pair} for {self.stop_duration_str}.", logger.info)
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until = self.calculate_lock_end([trade], self._stop_duration)
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return True, until, self._reason()
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return False, None, None
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def global_stop(self, date_now: datetime) -> ProtectionReturn:
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"""
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Stops trading (position entering) for all pairs
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This must evaluate to true for the whole period of the "cooldown period".
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:return: Tuple of [bool, until, reason].
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If true, all pairs will be locked with <reason> until <until>
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"""
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# Not implemented for cooldown period.
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return False, None, None
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def stop_per_pair(self, pair: str, date_now: datetime) -> ProtectionReturn:
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"""
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Stops trading (position entering) for this pair
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This must evaluate to true for the whole period of the "cooldown period".
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:return: Tuple of [bool, until, reason].
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If true, this pair will be locked with <reason> until <until>
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"""
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return self._cooldown_period(pair, date_now)
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