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network: handle one-block-long fork

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also add fixme about incorrect behaviour in case of a fork height higher than our local chain tip
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SomberNight 2018-07-29 04:00:02 +02:00
parent 0d05b84dc3
commit eaf72aa951
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1 changed files with 7 additions and 2 deletions
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9
electrum/network.py
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@ -912,6 +912,9 @@ class Network(util.DaemonThread):
next_height = height + 1
interface.blockchain.catch_up = interface.server
elif chain:
# FIXME should await "initial chunk download".
# binary search will NOT do the correct thing if we don't yet
# have all headers up to the fork height
interface.print_error("binary search")
interface.mode = 'binary'
interface.blockchain = chain
@ -973,8 +976,10 @@ class Network(util.DaemonThread):
interface.blockchain = b
interface.print_error("new chain", b.checkpoint)
interface.mode = 'catch_up'
next_height = interface.bad + 1
interface.blockchain.catch_up = interface.server
maybe_next_height = interface.bad + 1
if maybe_next_height <= interface.tip:
next_height = maybe_next_height
interface.blockchain.catch_up = interface.server
else:
assert bh == interface.good
if interface.blockchain.catch_up is None and bh < interface.tip: