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Merge pull request #2695 from freqtrade/custom_pairlock

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Improve pairlocking mechanism to allow usage from within strategy
This commit is contained in:
hroff-1902
2019-12-22 15:03:24 +03:00
committed by GitHub
parent 4f88857442 2195ae59d6
commit 98eed4f2ed
3 changed files with 72 additions and 6 deletions
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15
freqtrade/strategy/interface.py
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@@ -168,11 +168,24 @@ class IStrategy(ABC):
"""
Locks pair until a given timestamp happens.
Locked pairs are not analyzed, and are prevented from opening new trades.
Locks can only count up (allowing users to lock pairs for a longer period of time).
To remove a lock from a pair, use `unlock_pair()`
:param pair: Pair to lock
:param until: datetime in UTC until the pair should be blocked from opening new trades.
Needs to be timezone aware `datetime.now(timezone.utc)`
"""
self._pair_locked_until[pair] = until
if pair not in self._pair_locked_until or self._pair_locked_until[pair] < until:
self._pair_locked_until[pair] = until
def unlock_pair(self, pair) -> None:
"""
Unlocks a pair previously locked using lock_pair.
Not used by freqtrade itself, but intended to be used if users lock pairs
manually from within the strategy, to allow an easy way to unlock pairs.
:param pair: Unlock pair to allow trading again
"""
if pair in self._pair_locked_until:
del self._pair_locked_until[pair]
def is_pair_locked(self, pair: str) -> bool:
"""