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blockchain: do not load forks that cannot connect to the main headers file

3.1
ThomasV 7 years ago
parent
commit
de01008992
  1. 7
      lib/blockchain.py

7
lib/blockchain.py

@ -71,7 +71,11 @@ def read_blockchains(config):
checkpoint = int(filename.split('_')[2])
parent_id = int(filename.split('_')[1])
b = Blockchain(config, checkpoint, parent_id)
blockchains[b.checkpoint] = b
h = b.read_header(b.checkpoint)
if b.parent().can_connect(h, check_height=False):
blockchains[b.checkpoint] = b
else:
util.print_error("cannot connect", filename)
return blockchains
def check_header(header):
@ -318,7 +322,6 @@ class Blockchain(util.PrintError):
except:
return False
if prev_hash != header.get('prev_block_hash'):
self.print_error("bad hash", height, prev_hash, header.get('prev_block_hash'))
return False
target = self.get_target(height // 2016 - 1)
try:

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