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add improved profiling to validate_channel_signatures

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This commit is contained in:
Lex Berezhny 2019-06-04 19:27:32 -04:00
parent b676907fd7
commit ad24946af3
1 changed files with 33 additions and 2 deletions
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35
lbrynet/wallet/server/db.py
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@ -387,10 +387,12 @@ class SQLDB:
'support', {'txo_hash__in': [sqlite3.Binary(txo_hash) for txo_hash in txo_hashes]}
))
def validate_channel_signatures(self, height, new_claims, updated_claims, spent_claims):
def validate_channel_signatures(self, height, new_claims, updated_claims, spent_claims, timer):
if not new_claims and not updated_claims and not spent_claims:
return
sub_timer = timer.add_timer('segregate channels and signables')
sub_timer.start()
channels, new_channel_keys, signables = {}, {}, {}
for txo in chain(new_claims, updated_claims):
try:
@ -402,13 +404,19 @@ class SQLDB:
new_channel_keys[txo.claim_hash] = claim.channel.public_key_bytes
else:
signables[txo.claim_hash] = txo
sub_timer.stop()
sub_timer = timer.add_timer('make list of channels we need to lookup')
sub_timer.start()
missing_channel_keys = set()
for txo in signables.values():
claim = txo.claim
if claim.is_signed and claim.signing_channel_hash not in new_channel_keys:
missing_channel_keys.add(claim.signing_channel_hash)
sub_timer.stop()
sub_timer = timer.add_timer('lookup missing channels')
sub_timer.start()
all_channel_keys = {}
if new_channel_keys or missing_channel_keys:
all_channel_keys = dict(self.execute(*query(
@ -418,7 +426,10 @@ class SQLDB:
set(new_channel_keys) | missing_channel_keys
]
)))
sub_timer.stop()
sub_timer = timer.add_timer('prepare for updating claims')
sub_timer.start()
changed_channel_keys = {}
for claim_hash, new_key in new_channel_keys.items():
if claim_hash not in all_channel_keys or all_channel_keys[claim_hash] != new_key:
@ -444,7 +455,10 @@ class SQLDB:
'signature_valid': 0
})
claim_updates.append(update)
sub_timer.stop()
sub_timer = timer.add_timer('find claims affected by a change in channel key')
sub_timer.start()
if changed_channel_keys:
sql = f"""
SELECT * FROM claim WHERE
@ -460,14 +474,20 @@ class SQLDB:
'signature_digest': sqlite3.Binary(affected_claim['signature_digest']),
'signature_valid': 0
})
sub_timer.stop()
sub_timer = timer.add_timer('verify signatures')
sub_timer.start()
for update in claim_updates:
channel_pub_key = all_channel_keys.get(update['channel_hash'])
if channel_pub_key and update['signature']:
update['signature_valid'] = Output.is_signature_valid(
bytes(update['signature']), bytes(update['signature_digest']), channel_pub_key
)
sub_timer.stop()
sub_timer = timer.add_timer('update claims')
sub_timer.start()
if claim_updates:
self.db.executemany(f"""
UPDATE claim SET
@ -491,7 +511,10 @@ class SQLDB:
END
WHERE claim_hash=:claim_hash;
""", claim_updates)
sub_timer.stop()
sub_timer = timer.add_timer('update claims affected by spent channels')
sub_timer.start()
if spent_claims:
self.execute(
f"""
@ -501,7 +524,10 @@ class SQLDB:
WHERE channel_hash IN ({','.join('?' for _ in spent_claims)})
""", [sqlite3.Binary(cid) for cid in spent_claims]
)
sub_timer.stop()
sub_timer = timer.add_timer('update channels')
sub_timer.start()
if channels:
self.db.executemany(
"""
@ -516,7 +542,10 @@ class SQLDB:
self.ledger.public_key_to_address(txo.claim.channel.public_key_bytes)))
} for claim_hash, txo in channels.items()]
)
sub_timer.stop()
sub_timer = timer.add_timer('update claims_in_channel counts')
sub_timer.start()
if all_channel_keys:
self.db.executemany(f"""
UPDATE claim SET
@ -527,6 +556,7 @@ class SQLDB:
)
WHERE claim_hash = ?
""", [(sqlite3.Binary(channel_hash),) for channel_hash in all_channel_keys.keys()])
sub_timer.stop()
def _update_support_amount(self, claim_hashes):
if claim_hashes:
@ -687,7 +717,8 @@ class SQLDB:
r(self.delete_supports, delete_support_txo_hashes)
r(self.insert_claims, insert_claims, header)
r(self.update_claims, update_claims, header)
r(self.validate_channel_signatures, height, insert_claims, update_claims, delete_claim_hashes)
r(self.validate_channel_signatures, height, insert_claims,
update_claims, delete_claim_hashes, forward_timer=True)
r(self.insert_supports, insert_supports)
r(self.update_claimtrie, height, recalculate_claim_hashes, deleted_claim_names, forward_timer=True)
r(calculate_trending, self.db, height, self.main.first_sync, daemon_height)