BTCPrivate
/
electrum-bitcoinprivate
mirror of https://github.com/BTCPrivate/electrum-bitcoinprivate.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

close connection if server sends invalid headers

This commit is contained in:
ThomasV 2017-07-26 14:55:39 +02:00
parent 94f7a87e47
commit 311f9eda17
1 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
lib/network.py
View File

@ -830,6 +830,9 @@ class Network(util.DaemonThread):
interface.bad_header = header
if interface.bad != interface.good + 1:
next_height = (interface.bad + interface.good) // 2
elif not interface.blockchain.can_connect(interface.bad_header, check_height=False):
self.connection_down(interface.server)
next_height = None
else:
branch = self.blockchains.get(interface.bad)
if branch is not None:
@ -853,14 +856,13 @@ class Network(util.DaemonThread):
next_height = None
if bh > interface.good:
if not interface.blockchain.check_header(interface.bad_header):
if interface.blockchain.can_connect(interface.bad_header, check_height=False):
b = interface.blockchain.fork(interface.bad_header)
self.blockchains[interface.bad] = b
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
b = interface.blockchain.fork(interface.bad_header)
self.blockchains[interface.bad] = b
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
else:
assert bh == interface.good
if interface.blockchain.catch_up is None and bh < interface.tip: