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header_mc might be None

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This commit is contained in:
Neil Booth 2018-07-25 21:36:23 +08:00
parent 68dbf9fad2
commit 365c217031
1 changed files with 4 additions and 2 deletions
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6
electrumx/server/block_processor.py
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@ -261,8 +261,10 @@ class BlockProcessor(electrumx.server.db.DB):
async with self.state_lock:
await self.tasks.run_in_thread(self.backup_blocks, raw_blocks)
last -= len(raw_blocks)
# Truncate header_mc: header count is 1 more than the height
self.header_mc.truncate(self.height + 1)
# Truncate header_mc: header count is 1 more than the height.
# Note header_mc is None if the reorg happens at startup.
if self.header_mc:
self.header_mc.truncate(self.height + 1)
await self.prefetcher.reset_height(self.height)
async def reorg_hashes(self, count):