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