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lightningd: don't complain if gossipd tells us about dead channel on startup.

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This can happen if gossipd hasn't processed the blocks yet:

```
lightningd-2 2026-01-07T06:05:19.430Z **BROKEN** 0266e4598d1d3c415f572a8488830b60f7e744ed9235eb0b1ba93283b315c03518-chan#3: gossipd gave channel_update in CGOSSIP_CHANNEL_ANNOUNCED_DEAD? update=010240d5d1b653118c047218802d8c5d6bda49124fc9e1cb30ceff72e24c44e6a20d0b6b6fbe5465def31a01c8ff49dc171542a64a1a69d5149698f31e1ba4e721c106226e46111a0b59caaf126043eb5bbf28c34f3a5e332a1fc7b2b73cf188910f00006f0000010000695df63a010200060000000000000000000000010000000a000000003b023380
```

It does catch up later, so ignore this.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2026-01-08 07:41:18 +10:30
parent 2333f024d3
commit eb19862894
1 changed files with 3 additions and 1 deletions
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4
lightningd/channel_gossip.c
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@@ -1096,13 +1096,15 @@ void channel_gossip_update_from_gossipd(struct channel *channel,
case CGOSSIP_WAITING_FOR_USABLE:
case CGOSSIP_CHANNEL_DEAD:
case CGOSSIP_CHANNEL_UNANNOUNCED_DYING:
case CGOSSIP_CHANNEL_ANNOUNCED_DEAD:
/* Shouldn't happen. */
log_broken(channel->log,
"gossipd gave channel_update in %s? update=%s",
channel_gossip_state_str(channel->channel_gossip->state),
tal_hex(tmpctx, channel_update));
/* fall thru */
/* ANNOUNCED_DEAD can happen is gossipd hadn't processed block
* when we restarted; ignore, as it will catch up soon. */
case CGOSSIP_CHANNEL_ANNOUNCED_DEAD:
case CGOSSIP_CHANNEL_ANNOUNCED_DYING:
if (taken(channel_update))
tal_free(channel_update);