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avoid reconstructing the history during loop

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Victor Shyba 2018-10-10 17:55:40 -03:00 committed by Lex Berezhny
parent 36ad834d43
commit cab8981716
1 changed files with 5 additions and 3 deletions
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8
torba/baseledger.py
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@ -1,6 +1,8 @@
import os
import logging
from binascii import hexlify, unhexlify
from io import StringIO
from typing import Dict, Type, Iterable
from operator import itemgetter
from collections import namedtuple
@ -352,10 +354,10 @@ class BaseLedger(metaclass=LedgerRegistry):
remote_history = yield self.network.get_history(address)
local_history = yield self.get_local_history(address)
synced_history = []
synced_history = StringIO()
for i, (hex_id, remote_height) in enumerate(map(itemgetter('tx_hash', 'height'), remote_history)):
synced_history.append((hex_id, remote_height))
synced_history.write('{}:{}:'.format(hex_id, remote_height))
if i < len(local_history) and local_history[i] == (hex_id, remote_height):
continue
@ -383,7 +385,7 @@ class BaseLedger(metaclass=LedgerRegistry):
yield self.db.save_transaction_io(
save_tx, tx, address, self.address_to_hash160(address),
''.join('{}:{}:'.format(tx_id, tx_height) for tx_id, tx_height in synced_history)
synced_history.getvalue()
)
log.debug(