lbry-sdk/lbry/scripts/checktrie.py

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Python
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2019-05-21 17:52:16 +02:00
import sys
import asyncio
from binascii import hexlify
from lbrynet.wallet.server.db import SQLDB
from lbrynet.wallet.server.coin import LBC
from lbrynet.wallet.server.daemon import Daemon
def hex_reverted(value: bytes) -> str:
return hexlify(value[::-1]).decode()
def match(name, what, value, expected):
if value != expected:
print(f'{name}: {what} mismatch, {value} is not {expected}')
return value == expected
def checkrecord(record, expected_winner, expected_claim):
assert record['is_controlling'] == record['claim_hash'], dict(record)
name = record['normalized']
claim_id = hex_reverted(record['claim_hash'])
takover = record['activation_height']
if not expected_winner:
print(f"{name} not on lbrycrd. We have {claim_id} at {takover} takeover height.")
return
if not match(name, 'claim id', claim_id, expected_winner['claimId']):
print(f"-- {name} has the wrong winner")
if not expected_claim:
print(f'{name}: {claim_id} not found, we possibly have an abandoned claim as winner')
return
match(name, 'height', record['height'], expected_claim['height'])
match(name, 'activation height', takover, expected_claim['valid at height'])
match(name, 'name', record['normalized'], expected_claim['normalized_name'])
match(name, 'amount', record['amount'], expected_claim['amount'])
match(name, 'effective amount', record['effective_amount'], expected_claim['effective amount'])
match(name, 'txid', hex_reverted(record['txo_hash'][:-4]), expected_claim['txid'])
match(name, 'nout', int.from_bytes(record['txo_hash'][-4:], 'little', signed=False), expected_claim['n'])
async def checkcontrolling(daemon: Daemon, db: SQLDB):
records, claim_ids, names, futs = [], [], [], []
for record in db.get_claims('claimtrie.claim_hash as is_controlling, claim.*', is_controlling=True):
records.append(record)
claim_id = hex_reverted(record['claim_hash'])
claim_ids.append((claim_id,))
names.append((record['normalized'],))
if len(names) > 50000:
futs.append(daemon._send_vector('getvalueforname', names[:]))
futs.append(daemon._send_vector('getclaimbyid', claim_ids[:]))
names.clear()
claim_ids.clear()
if names:
futs.append(daemon._send_vector('getvalueforname', names[:]))
futs.append(daemon._send_vector('getclaimbyid', claim_ids[:]))
names.clear()
claim_ids.clear()
while futs:
winners, claims = futs.pop(0), futs.pop(0)
for winner, claim in zip(await winners, await claims):
checkrecord(records.pop(0), winner, claim)
if __name__ == '__main__':
if not len(sys.argv) == 3:
print("usage: <db_file_path> <lbrycrd_url>")
sys.exit(1)
db_path, lbrycrd_url = sys.argv[1:] # pylint: disable=W0632
daemon = Daemon(LBC(), url=lbrycrd_url)
db = SQLDB(None, db_path)
db.open()
asyncio.get_event_loop().run_until_complete(checkcontrolling(daemon, db))