tdiscard channel updates too far in the future, or too close apart (see #6124) - electrum - Electrum Bitcoin wallet
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---
DIR commit ac67f7ae30b2a84d7a1ce44bcb03e4b20292a443
DIR parent 1322fa6a08f6c591a1911b233e7d6b509c09538a
HTML Author: ThomasV <thomasv@electrum.org>
Date: Sun, 10 May 2020 12:16:16 +0200
discard channel updates too far in the future, or too close apart (see #6124)
Diffstat:
M electrum/channel_db.py | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
---
DIR diff --git a/electrum/channel_db.py b/electrum/channel_db.py
t@@ -404,6 +404,8 @@ class ChannelDB(SqlDB):
timestamp = payload['timestamp']
if max_age and now - timestamp > max_age:
return UpdateStatus.EXPIRED
+ if timestamp - now > 60:
+ return UpdateStatus.DEPRECATED
channel_info = self._channels.get(short_channel_id)
if not channel_info:
return UpdateStatus.ORPHANED
t@@ -417,7 +419,7 @@ class ChannelDB(SqlDB):
short_channel_id = ShortChannelID(payload['short_channel_id'])
key = (start_node, short_channel_id)
old_policy = self._policies.get(key)
- if old_policy and timestamp <= old_policy.timestamp:
+ if old_policy and timestamp <= old_policy.timestamp + 60:
return UpdateStatus.DEPRECATED
if verify:
self.verify_channel_update(payload)