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fix verify_sig_for_channel_update: use raw message

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This commit is contained in:
ThomasV
2019-03-21 13:35:10 +01:00
parent 407114d3cc
commit a6469904ee
2 changed files with 2 additions and 2 deletions
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2
electrum/lnpeer.py
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@@ -118,7 +118,7 @@ class Peer(PrintError):
#self.print_error("Received '%s'" % message_type.upper(), payload)
return
# raw message is needed to check signature
if message_type=='node_announcement':
if message_type in ['node_announcement', 'channel_update']:
payload['raw'] = message
execution_result = f(payload)
if asyncio.iscoroutinefunction(f):

2
electrum/lnverifier.py
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@@ -194,7 +194,7 @@ def verify_sigs_for_channel_announcement(msg_bytes: bytes) -> bool:
def verify_sig_for_channel_update(chan_upd: dict, node_id: bytes) -> bool:
msg_bytes = encode_msg('channel_update', **chan_upd)
msg_bytes = chan_upd['raw']
pre_hash = msg_bytes[2+64:]
h = sha256d(pre_hash)
sig = chan_upd['signature']