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Floor block count at 0

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Fixes #653, #655
This commit is contained in:
Neil Booth 2018-11-23 17:01:02 +00:00
parent bf279ceaea
commit c3039db50c
1 changed files with 3 additions and 3 deletions
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6
electrumx/server/block_processor.py
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@ -99,11 +99,11 @@ class Prefetcher(object):
async with self.semaphore: async with self.semaphore:
while self.cache_size < self.min_cache_size: while self.cache_size < self.min_cache_size:
# 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 100 regardless;
# testnet can be lumpy. # some chains can be lumpy.
cache_room = max(self.min_cache_size // self.ave_size, 1) 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, count) count = min(100, max(count, 0))
if not count: if not count:
self.caught_up = True self.caught_up = True
return False return False