Function gossmap_node_get_announce

common/gossmap.c:1631–1647

Get the announcement msg (if any) for this node. */

/* Get the announcement msg (if any) for this node. */
u8 *gossmap_node_get_announce(const tal_t *ctx,
			      const struct gossmap *map,
			      const struct gossmap_node *n)
{
	u16 len;
	u8 *msg;

	if (n->nann_off == 0)
		return NULL;

	len = map_be16(map, n->nann_off - sizeof(struct gossip_hdr)
		       + offsetof(struct gossip_hdr, len));
	msg = tal_arr(ctx, u8, len);

	map_copy(map, n->nann_off, msg, len);
	return msg;
}

/* BOLT #7:
 * 1. type: 256 (`channel_announcement`)