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faster get_future_activated

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Jack Robison 2021-07-24 14:25:37 -04:00 committed by Victor Shyba
parent 05b6bdb8f6
commit c81c0d9480
2 changed files with 11 additions and 9 deletions
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6
lbry/wallet/server/block_processor.py
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@ -895,16 +895,16 @@ class BlockProcessor:
# upon the delayed activation of B, we need to detect to activate C and make it take over early instead
claim_exists = {}
for activated, activated_txos in self.db.get_future_activated(height).items():
for activated, activated_claim_txo in self.db.get_future_activated(height):
# uses the pending effective amount for the future activation height, not the current height
future_amount = self._get_pending_claim_amount(
activated.name, activated.claim_hash, activated_txos[-1].height + 1
activated.name, activated.claim_hash, activated_claim_txo.height + 1
)
if activated.claim_hash not in claim_exists:
claim_exists[activated.claim_hash] = activated.claim_hash in self.claim_hash_to_txo or (
self.db.get_claim_txo(activated.claim_hash) is not None)
if claim_exists[activated.claim_hash] and activated.claim_hash not in self.abandoned_claims:
v = future_amount, activated, activated_txos[-1]
v = future_amount, activated, activated_claim_txo
future_activations[activated.name][activated.claim_hash] = v
for name, future_activated in activate_in_future.items():

14
lbry/wallet/server/leveldb.py
View file

@ -652,15 +652,17 @@ class LevelDB:
activated[v].append(k)
return activated
def get_future_activated(self, height: int) -> DefaultDict[PendingActivationValue, List[PendingActivationKey]]:
activated = defaultdict(list)
def get_future_activated(self, height: int) -> typing.Generator[
Tuple[PendingActivationValue, PendingActivationKey], None, None]:
yielded = set()
start_prefix = Prefixes.pending_activation.pack_partial_key(height + 1)
stop_prefix = Prefixes.pending_activation.pack_partial_key(height + 1 + self.coin.maxTakeoverDelay)
for _k, _v in self.db.iterator(start=start_prefix, stop=stop_prefix):
k = Prefixes.pending_activation.unpack_key(_k)
for _k, _v in self.db.iterator(start=start_prefix, stop=stop_prefix, reverse=True):
v = Prefixes.pending_activation.unpack_value(_v)
activated[v].append(k)
return activated
if v not in yielded:
yielded.add(v)
k = Prefixes.pending_activation.unpack_key(_k)
yield v, k
async def _read_tx_counts(self):
if self.tx_counts is not None: