Function inject_gossip

gossipd/gossipd.c:871–910

~ lightningd tells us when about a gossip message directly, when told to by * the addgossip RPC call. That's usually used when a plugin gets an update * returned in an payment error. */

 * the addgossip RPC call.  That's usually used when a plugin gets an update
 * returned in an payment error. */
static void inject_gossip(struct daemon *daemon, const u8 *msg)
{
	u8 *goss;
	const u8 *errmsg;
	const char *err;

	if (!fromwire_gossipd_addgossip(msg, msg, &goss))
		master_badmsg(WIRE_GOSSIPD_ADDGOSSIP, msg);

	switch (fromwire_peektype(goss)) {
	case WIRE_CHANNEL_ANNOUNCEMENT:
		errmsg = handle_channel_announcement_msg(daemon, NULL, goss);
		break;
	case WIRE_NODE_ANNOUNCEMENT:
		errmsg = handle_node_announcement(daemon->rstate, goss,
						  NULL, NULL);
		break;
	case WIRE_CHANNEL_UPDATE:
		errmsg = handle_channel_update(daemon->rstate, goss,
					       NULL, NULL, true);
		break;
	default:
		err = tal_fmt(tmpctx, "unknown gossip type %i",
			      fromwire_peektype(goss));
		goto err_extracted;
	}

	/* The APIs above are designed to send error messages back to peers:
	 * we extract the raw string instead. */
	if (errmsg) {
		err = sanitize_error(tmpctx, errmsg, NULL);
		tal_free(errmsg);
	} else
		/* Send empty string if no error. */
		err = "";

err_extracted:
	daemon_conn_send(daemon->master,
			 take(towire_gossipd_addgossip_reply(NULL, err)));
}

static void handle_new_lease_rates(struct daemon *daemon, const u8 *msg)
{