Function perform_openchannel_update

plugins/spender/openchannel.c:794–882

}

struct command_result *
perform_openchannel_update(struct multifundchannel_command *mfc)
{
	size_t i, ready_count = 0;

	plugin_log(mfc->cmd->plugin, LOG_DBG,
		   "mfc %"PRIu64": parallel `openchannel_update`.",
		   mfc->id);

	/* First we check for failures/finished state */
	for (i = 0; i < tal_count(mfc->destinations); i++) {
		struct multifundchannel_destination *dest;
		dest = &mfc->destinations[i];

		if (dest->state == MULTIFUNDCHANNEL_FAILED)
			return redo_multifundchannel(mfc,
						     "openchannel_update",
						     dest->error_message);

		if (dest->state == MULTIFUNDCHANNEL_SECURED ||
			dest->state == MULTIFUNDCHANNEL_SIGNED) {
			ready_count++;
			continue;
		}

		assert(dest->state == MULTIFUNDCHANNEL_UPDATED ||
			dest->state == MULTIFUNDCHANNEL_STARTED);
	}

	/* Check if we can stop doing this and move to the next
	 * phase */
	if (ready_count == dest_count(mfc, OPEN_CHANNEL))
		return funding_transaction_established(mfc);

	/* Then, we update the parent with every node's result */
	for (i = 0; i < tal_count(mfc->destinations); i++) {
		struct multifundchannel_destination *dest;
		dest = &mfc->destinations[i];

		if (!is_v2(dest))
			continue;

		if (!update_parent_psbt(mfc, dest, dest->psbt,
					dest->updated_psbt,
					&mfc->psbt)) {
			fail_destination_msg(dest, FUNDING_PSBT_INVALID,
					     "Unable to update parent "
					     "with node's PSBT");
			return redo_multifundchannel(mfc,
						     "openchannel_init_parent",
						     dest->error_message);
		}
		/* Get everything sorted correctly */
		psbt_sort_by_serial_id(mfc->psbt);

		tal_free(dest->psbt);
		dest->psbt = dest->updated_psbt;
		dest->updated_psbt = NULL;