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gossipd: fix unknown channel_update recovery logic. 

An "err" is only returned if the channel_update is malformed: more common
is that it's fine, but we don't know the scid.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2022-01-22 15:19:32 +10:30
parent 4a4f85dd3f
commit f6191c8ef9
1 changed files with 5 additions and 4 deletions
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9
gossipd/gossipd.c
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@ -261,11 +261,12 @@ static u8 *handle_channel_update_msg(struct peer *peer, const u8 *msg)
unknown_scid.u64 = 0;
err = handle_channel_update(peer->daemon->rstate, msg, peer,
&unknown_scid, false);
if (err) {
if (unknown_scid.u64 != 0)
query_unknown_channel(peer->daemon, peer, &unknown_scid);
if (err)
return err;
}
/* If it's an unknown channel, ask someone about it */
if (unknown_scid.u64 != 0)
query_unknown_channel(peer->daemon, peer, &unknown_scid);
/*~ As a nasty compromise in the spec, we only forward `channel_announce`
* once we have a `channel_update`; the channel isn't *usable* for