Function getroutes_done_err

plugins/xpay/xpay.c:1723–1768

}

static struct command_result *getroutes_done_err(struct command *aux_cmd,
						 const char *method,
						 const char *buf,
						 const jsmntok_t *error,
						 struct payment *payment)
{
	int code;
	const char *msg, *complaint;

	/* getroutes gives nice error messages: we may need to annotate though. */
	msg = json_strdup(tmpctx, buf, json_get_member(buf, error, "message"));
	json_to_int(buf, json_get_member(buf, error, "code"), &code);

	/* If we were restricting the number of parts, we remove that
	 * restriction and try again. */
	if (payment->maxparts) {
		payment_log(payment, LOG_INFORM,
			    "getroute failed with maxparts=%u, so retrying without that restriction",
			    payment->maxparts);
		payment->maxparts = 0;
		return getroutes_for(aux_cmd, payment, payment->amount_being_routed);
	}

	/* Simple case: failed immediately. */
	if (payment->total_num_attempts == 0) {
		payment_give_up(aux_cmd, payment, code, "Failed: %s", msg);
		return command_still_pending(aux_cmd);
	}

	/* FIXME: If we fail due to exceeding maxfee, we *could* try waiting for
	 * any outstanding payments to fail and then try again? */

	/* More elaborate explanation. */
	if (amount_msat_eq(payment->amount_being_routed, payment->amount))
		complaint = "Then routing failed";
	else
		complaint = tal_fmt(tmpctx, "Then routing for remaining %s failed",
				    fmt_amount_msat(tmpctx, payment->amount_being_routed));
	payment_give_up(aux_cmd, payment, PAY_UNSPECIFIED_ERROR,
			"Failed after %"PRIu64" attempts. %s%s: %s",
			payment->total_num_attempts,
			payment->prior_results,
			complaint,
			msg);
	return command_still_pending(aux_cmd);
}

static struct command_result *waitblockheight_done(struct command *aux_cmd,
						   const char *method,