gossipd: don't consider dying channels when seeking preceeding channe…

…l_announcements. We make sure a node_announcement is preceeded by at least one channel_announcement, but dying ones don't count (as they are not broadcast!). Signed-off-by: Rusty Russell <[email protected]>
rustyrussell · Feb 12, 2024 · f57d1f4 · f57d1f4
1 parent e86093a
commit f57d1f4
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/gossipd/gossmap_manage.c b/gossipd/gossmap_manage.c
@@ -216,8 +216,12 @@ static bool any_cannounce_preceeds_offset(struct gossmap *gossmap,
 
 		if (chan == exclude_chan)
 			continue;
-		if (chan->cann_off < offset)
-			return true;
+		if (chan->cann_off > offset)
+			continue;
+		/* Dying channels don't help! */
+		if (gossmap_chan_is_dying(gossmap, chan))
+			continue;
+		return true;
 	}
 	return false;
 }