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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 os
import logging import logging
from binascii import hexlify, unhexlify from binascii import hexlify, unhexlify
from io import StringIO
from typing import Dict, Type, Iterable from typing import Dict, Type, Iterable
from operator import itemgetter from operator import itemgetter
from collections import namedtuple from collections import namedtuple
@ -352,10 +354,10 @@ class BaseLedger(metaclass=LedgerRegistry):
remote_history = yield self.network.get_history(address) remote_history = yield self.network.get_history(address)
local_history = yield self.get_local_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)): 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): if i < len(local_history) and local_history[i] == (hex_id, remote_height):
continue continue
@ -383,7 +385,7 @@ class BaseLedger(metaclass=LedgerRegistry):
yield self.db.save_transaction_io( yield self.db.save_transaction_io(
save_tx, tx, address, self.address_to_hash160(address), 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( log.debug(