stable/freqtrade/plugins/protections/cooldown_period.py

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