Function process_node_announcement

gossipd/gossmap_manage.c:1122–1161

}

static void process_node_announcement(struct gossmap_manage *gm,
				      struct gossmap *gossmap,
				      const struct gossmap_node *node,
				      u32 timestamp,
				      const struct node_id *node_id,
				      const u8 *nannounce,
				      const struct node_id *source_peer)
{
	u64 offset;

	/* Do we have a later one?  If so, ignore */
	if (gossmap_node_announced(node)) {
		u32 prev_timestamp
			= gossip_store_get_timestamp(gm->gs, node->nann_off);
		if (prev_timestamp >= timestamp) {
			/* Too old, ignore */
			return;
		}
	}

	/* OK, apply the new one */
	offset = gossip_store_add(gm->gs, nannounce, timestamp);
	/* If all channels are dying, make sure this is marked too. */
	if (all_node_channels_dying(gossmap, node, NULL)) {
		gossip_store_set_flag(gm->gs, offset,
				      GOSSIP_STORE_DYING_BIT,
				      WIRE_NODE_ANNOUNCEMENT);
	}

	/* Now delete old */
	if (gossmap_node_announced(node))
		gossip_store_del(gm->gs, node->nann_off, WIRE_NODE_ANNOUNCEMENT);

	/* Used to evaluate gossip peers' performance */
	peer_supplied_good_gossip(gm->daemon, source_peer, 1);

	status_peer_trace(source_peer,
			  "Received node_announcement for node %s",
			  fmt_node_id(tmpctx, node_id));
}

const char *gossmap_manage_node_announcement(const tal_t *ctx,
					     struct gossmap_manage *gm,