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gossipd: when applying a new channel_update, preserve the dying flag.

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We can update dying channels, though it seems weird!  We accept gossip about them,
we just don't propagate it.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2024-02-11 21:04:41 +10:30 • committed by Christian Decker
parent aab283ca7e
commit 365bf2d84d
1 changed files with 10 additions and 1 deletions
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11
gossipd/gossmap_manage.c
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@ -679,6 +679,7 @@ static const char *process_channel_update(const tal_t *ctx,
const char *err;
int dir = (channel_flags & ROUTING_FLAGS_DIRECTION);
struct gossmap *gossmap = gossmap_manage_get_gossmap(gm);
u64 offset;
chan = gossmap_find_chan(gossmap, &scid);
if (!chan) {
@ -727,7 +728,15 @@ static const char *process_channel_update(const tal_t *ctx,
}
/* OK, apply the new one */
gossip_store_add(gm->daemon->gs, update, timestamp);
offset = gossip_store_add(gm->daemon->gs, update, timestamp);
/* If channel is dying, make sure update is also marked dying! */
if (gossmap_chan_is_dying(gossmap, chan)) {
gossip_store_set_flag(gm->daemon->gs,
offset,
GOSSIP_STORE_DYING_BIT,
WIRE_CHANNEL_UPDATE);
}
/* Now delete old */
if (gossmap_chan_set(chan, dir))