Function try_establish

plugins/fetchinvoice.c:595–624

}

static struct command_result *try_establish(struct command *cmd,
					    struct establishing_paths *epaths)
{
	const struct offers_data *od = get_offers_data(cmd->plugin);
	struct pubkey target;

	if (epaths->sent->direct_dest) {
		target = *epaths->sent->direct_dest;
	} else {
		const struct blinded_path *bpath = current_their_path(epaths);
		struct sciddir_or_pubkey first = bpath->first_node_id;
		if (!gossmap_scidd_pubkey(get_gossmap(cmd->plugin), &first))
			return establish_path_fail(cmd, "Cannot resolve scidd", epaths);
		target = first.pubkey;
		/* BOLT #12:
		 *     - if `offer_issuer_id` is present (invoice_request for an offer):
		 *       - MUST reject the invoice if `invoice_node_id` is not equal to `offer_issuer_id`
		 *     - otherwise, if `offer_paths` is present (invoice_request for an offer without id):
		 *       - MUST reject the invoice if `invoice_node_id` is not equal to the final `blinded_node_id` it sent the invoice request to.
		 */
		if (epaths->sent->offer && !epaths->sent->offer->offer_issuer_id)
			epaths->sent->issuer_key = &bpath->path[tal_count(bpath->path)-1]->blinded_node_id;
	}

	return establish_onion_path(cmd, get_gossmap(cmd->plugin), &od->id, &target,
				    od->disable_connect,
				    establish_path_done,
				    establish_path_fail,
				    epaths);
}

static struct command_result *send_message(struct command *cmd,
					   struct sent *sent,