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flush_data() must be called with the lock held

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This commit is contained in:
Neil Booth 2018-08-10 11:41:02 +09:00
parent 967b2de60d
commit 635ffed42b
1 changed files with 13 additions and 8 deletions
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21
electrumx/server/block_processor.py
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@ -246,17 +246,19 @@ class BlockProcessor(object):
except Exception:
return await self.daemon.raw_blocks(hex_hashes)
def flush_backup():
# self.touched can include other addresses which is
# harmless, but remove None.
self.touched.discard(None)
self.db.flush_backup(self.flush_data(), self.touched)
start, last, hashes = await self.reorg_hashes(count)
# Reverse and convert to hex strings.
hashes = [hash_to_hex_str(hash) for hash in reversed(hashes)]
for hex_hashes in chunks(hashes, 50):
raw_blocks = await get_raw_blocks(last, hex_hashes)
await self.run_in_thread_with_lock(self.backup_blocks, raw_blocks)
# self.touched can include other addresses which is
# harmless, but remove None.
self.touched.discard(None)
await self.run_in_thread_with_lock(
self.db.flush_backup, self.flush_data(), self.touched)
await self.run_in_thread_with_lock(flush_backup)
last -= len(raw_blocks)
await self.prefetcher.reset_height(self.height)
@ -319,14 +321,17 @@ class BlockProcessor(object):
# - Flushing
def flush_data(self):
'''The data for a flush. The lock must be taken.'''
assert self.state_lock.locked()
return FlushData(self.height, self.tx_count, self.headers,
self.tx_hashes, self.undo_infos, self.utxo_cache,
self.db_deletes, self.tip)
async def flush(self, flush_utxos):
await self.run_in_thread_with_lock(
self.db.flush_dbs, self.flush_data(), flush_utxos,
self.estimate_txs_remaining)
def flush():
self.db.flush_dbs(self.flush_data(), flush_utxos,
self.estimate_txs_remaining)
await self.run_in_thread_with_lock(flush)
async def _maybe_flush(self):
# If caught up, flush everything as client queries are