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Ensure we always fetch a block if there is one

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This commit is contained in:
Neil Booth 2018-11-10 15:34:39 -04:00
parent 2a9bd930e2
commit 7f2f9d4b29
1 changed files with 2 additions and 2 deletions
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electrumx/server/block_processor.py
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@ -101,9 +101,9 @@ class Prefetcher(object):
# Try and catch up all blocks but limit to room in cache. # Try and catch up all blocks but limit to room in cache.
# Constrain fetch count to between 0 and 500 regardless; # Constrain fetch count to between 0 and 500 regardless;
# testnet can be lumpy. # testnet can be lumpy.
cache_room = self.min_cache_size // self.ave_size cache_room = max(self.min_cache_size // self.ave_size, 1)
count = min(daemon_height - self.fetched_height, cache_room) count = min(daemon_height - self.fetched_height, cache_room)
count = min(500, max(count, 0)) count = min(500, count)
if not count: if not count:
self.caught_up = True self.caught_up = True
return False return False