LBRYFoundation/LBRY-Vault
1
0
Fork 0
mirror of https://github.com/LBRYFoundation/LBRY-Vault.git synced 2025-09-01 17:55:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

verifier: perf optimisations

Browse source 
blockchain.read_header is expensive. do cheap tests first
on a wallet with 11k txns, that is synced except for spv proofs,
finishing sync now takes 80 sec instead of 180 sec
This commit is contained in:
SomberNight 2018-09-17 18:31:25 +02:00
parent e5e3ac0364
commit 1b95cced5d
No known key found for this signature in database
GPG key ID: B33B5F232C6271E9
1 changed files with 10 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
electrum/verifier.py
View file

@ -70,19 +70,22 @@ class SPV(PrintError):
unverified = self.wallet.get_unverified_txs()
for tx_hash, tx_height in unverified.items():
# do not request merkle branch before headers are available
# do not request merkle branch if we already requested it
if tx_hash in self.requested_merkle or tx_hash in self.merkle_roots:
continue
# or before headers are available
if tx_height <= 0 or tx_height > local_height:
continue
# if it's in the checkpoint region, we still might not have the header
header = blockchain.read_header(tx_height)
if header is None:
if tx_height < constants.net.max_checkpoint():
await group.spawn(self.network.request_chunk(tx_height, None, can_return_early=True))
elif (tx_hash not in self.requested_merkle
and tx_hash not in self.merkle_roots):
self.print_error('requested merkle', tx_hash)
self.requested_merkle.add(tx_hash)
await group.spawn(self._request_and_verify_single_proof, tx_hash, tx_height)
continue
# request now
self.print_error('requested merkle', tx_hash)
self.requested_merkle.add(tx_hash)
await group.spawn(self._request_and_verify_single_proof, tx_hash, tx_height)
async def _request_and_verify_single_proof(self, tx_hash, tx_height):
try: