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pylint

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This commit is contained in:
Lex Berezhny 2019-06-21 02:22:38 -04:00
parent d8265add2d
commit 2f74611844
1 changed files with 12 additions and 18 deletions
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30
torba/torba/client/coinselection.py
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@ -35,18 +35,16 @@ class CoinSelector:
return getattr(self, strategy_name or "standard")(txos, available) return getattr(self, strategy_name or "standard")(txos, available)
@strategy @strategy
def prefer_confirmed( def prefer_confirmed(self, txos: List[basetransaction.BaseOutputEffectiveAmountEstimator],
self, txos: List[basetransaction.BaseOutputEffectiveAmountEstimator], available: int available: int) -> List[basetransaction.BaseOutputEffectiveAmountEstimator]:
) -> List[basetransaction.BaseOutputEffectiveAmountEstimator]:
return ( return (
self.only_confirmed(txos, available) or self.only_confirmed(txos, available) or
self.standard(txos, available) self.standard(txos, available)
) )
@strategy @strategy
def only_confirmed( def only_confirmed(self, txos: List[basetransaction.BaseOutputEffectiveAmountEstimator],
self, txos: List[basetransaction.BaseOutputEffectiveAmountEstimator], _ _) -> List[basetransaction.BaseOutputEffectiveAmountEstimator]:
) -> List[basetransaction.BaseOutputEffectiveAmountEstimator]:
confirmed = [t for t in txos if t.txo.tx_ref and t.txo.tx_ref.height > 0] confirmed = [t for t in txos if t.txo.tx_ref and t.txo.tx_ref.height > 0]
if not confirmed: if not confirmed:
return [] return []
@ -56,9 +54,8 @@ class CoinSelector:
return self.standard(confirmed, confirmed_available) return self.standard(confirmed, confirmed_available)
@strategy @strategy
def standard( def standard(self, txos: List[basetransaction.BaseOutputEffectiveAmountEstimator],
self, txos: List[basetransaction.BaseOutputEffectiveAmountEstimator], available: int available: int) -> List[basetransaction.BaseOutputEffectiveAmountEstimator]:
) -> List[basetransaction.BaseOutputEffectiveAmountEstimator]:
return ( return (
self.branch_and_bound(txos, available) or self.branch_and_bound(txos, available) or
self.closest_match(txos, available) or self.closest_match(txos, available) or
@ -66,9 +63,8 @@ class CoinSelector:
) )
@strategy @strategy
def branch_and_bound( def branch_and_bound(self, txos: List[basetransaction.BaseOutputEffectiveAmountEstimator],
self, txos: List[basetransaction.BaseOutputEffectiveAmountEstimator], available: int available: int) -> List[basetransaction.BaseOutputEffectiveAmountEstimator]:
) -> List[basetransaction.BaseOutputEffectiveAmountEstimator]:
# see bitcoin implementation for more info: # see bitcoin implementation for more info:
# https://github.com/bitcoin/bitcoin/blob/master/src/wallet/coinselection.cpp # https://github.com/bitcoin/bitcoin/blob/master/src/wallet/coinselection.cpp
@ -127,9 +123,8 @@ class CoinSelector:
return [] return []
@strategy @strategy
def closest_match( def closest_match(self, txos: List[basetransaction.BaseOutputEffectiveAmountEstimator],
self, txos: List[basetransaction.BaseOutputEffectiveAmountEstimator], _ _) -> List[basetransaction.BaseOutputEffectiveAmountEstimator]:
) -> List[basetransaction.BaseOutputEffectiveAmountEstimator]:
""" Pick one UTXOs that is larger than the target but with the smallest change. """ """ Pick one UTXOs that is larger than the target but with the smallest change. """
target = self.target + self.cost_of_change target = self.target + self.cost_of_change
smallest_change = None smallest_change = None
@ -142,9 +137,8 @@ class CoinSelector:
return [best_match] if best_match else [] return [best_match] if best_match else []
@strategy @strategy
def random_draw( def random_draw(self, txos: List[basetransaction.BaseOutputEffectiveAmountEstimator],
self, txos: List[basetransaction.BaseOutputEffectiveAmountEstimator], _ _) -> List[basetransaction.BaseOutputEffectiveAmountEstimator]:
) -> List[basetransaction.BaseOutputEffectiveAmountEstimator]:
""" Accumulate UTXOs at random until there is enough to cover the target. """ """ Accumulate UTXOs at random until there is enough to cover the target. """
target = self.target + self.cost_of_change target = self.target + self.cost_of_change
self.random.shuffle(txos, self.random.random) self.random.shuffle(txos, self.random.random)