LBRYCommunity/lbry-sdk
1
0
Fork 1
Code Issues Pull requests Projects Releases 282 Packages Wiki Activity

fix prefetch proofs for unconfirmed and separate prefetch logic

Browse source
This commit is contained in:
Victor Shyba 2018-10-10 20:34:53 -03:00 committed by Lex Berezhny
parent 7bdcaa6737
commit 44b1178cfe
1 changed files with 13 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
torba/baseledger.py
View file

@ -348,18 +348,25 @@ class BaseLedger(metaclass=LedgerRegistry):
)
@defer.inlineCallbacks
def update_history(self, address):
remote_history = yield self.network.get_history(address)
local_history = yield self.get_local_history(address)
def _prefetch_history(self, remote_history, local_history):
proofs = {
entry['tx_hash']: self.network.get_merkle(entry['tx_hash'], entry['height'])
entry['tx_hash']: (
self.network.get_merkle(entry['tx_hash'], entry['height']) if entry['height'] > 0 else None
)
for index, entry in enumerate(remote_history)
if index >= len(local_history) or (entry['tx_hash'], entry['height']) != local_history[index]
}
network_txs = {key: self.network.get_transaction(key) for key in proofs.keys()}
yield defer.DeferredList(list(proofs.values()) + list(network_txs.values()))
proofs = {key: value.result for key, value in proofs.items()}
yield defer.DeferredList(list(filter(None, proofs.values())) + list(network_txs.values()))
proofs = {key: value.result for key, value in proofs.items() if value}
network_txs = {key: value.result for key, value in network_txs.items()}
return proofs, network_txs
@defer.inlineCallbacks
def update_history(self, address):
remote_history = yield self.network.get_history(address)
local_history = yield self.get_local_history(address)
proofs, network_txs = yield self._prefetch_history(remote_history, local_history)
synced_history = StringIO()
for i, (hex_id, remote_height) in enumerate(map(itemgetter('tx_hash', 'height'), remote_history)):