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gossipd: ensure old private channel updates are properly deleted

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When private channel updates exceed the gossip ratelimit, the previous
gossip store entry was not deleted even though all private channel updates
are stored. This caused gossip store corruption due to duplicate entries
for the same channel.
Fixes: #5656

Changelog-Fixed: Fixed gossip_store corruption from duplicate private channel updates
This commit is contained in:
Alex Myers 2022-10-15 09:05:41 -05:00 committed by Christian Decker
parent 2605e117c9
commit 5bd6c715e5
1 changed files with 3 additions and 0 deletions
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3
gossipd/routing.c
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@ -1423,6 +1423,9 @@ bool routing_add_channel_update(struct routing_state *rstate,
is_chan_public(chan)
? WIRE_CHANNEL_UPDATE
: WIRE_GOSSIP_STORE_PRIVATE_UPDATE);
} else if (!is_chan_public(chan)){
gossip_store_delete(rstate->gs, &hc->rgraph,
WIRE_GOSSIP_STORE_PRIVATE_UPDATE);
}
} else {
/* Safe to broadcast */