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don't request headers beyond tip

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This commit is contained in:
ThomasV 2017-07-18 14:11:22 +02:00
parent 214e2b89c2
commit 637d52ce58
1 changed files with 4 additions and 3 deletions
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7
lib/network.py
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@ -833,7 +833,6 @@ class Network(util.DaemonThread):
if interface.bad != interface.good + 1: if interface.bad != interface.good + 1:
next_height = (interface.bad + interface.good) // 2 next_height = (interface.bad + interface.good) // 2
else: else:
interface.print_error("can connect at %d"% interface.bad)
branch = self.blockchains.get(interface.bad) branch = self.blockchains.get(interface.bad)
if branch is not None: if branch is not None:
if branch.check_header(interface.bad_header): if branch.check_header(interface.bad_header):
@ -854,9 +853,11 @@ class Network(util.DaemonThread):
else: else:
assert interface.blockchain.height() == interface.good assert interface.blockchain.height() == interface.good
if interface.blockchain.catch_up is None: bh = interface.blockchain.height()
if interface.blockchain.catch_up is None and bh < interface.tip:
interface.print_error("catching up from %d"% (bh + 1))
interface.mode = 'catch_up' interface.mode = 'catch_up'
next_height = interface.blockchain.height() + 1 next_height = bh + 1
interface.blockchain.catch_up = interface.server interface.blockchain.catch_up = interface.server
else: else:
interface.print_error('already catching up') interface.print_error('already catching up')