Function json_add_route

plugins/renepay/json.c:310–371

}

void json_add_route(struct json_stream *js, const struct route *route,
		    const struct payment *payment)
{
	assert(js);
	assert(route);
	assert(payment);

	const struct payment_info *pinfo = &payment->payment_info;

	assert(route->hops);
	const size_t pathlen = tal_count(route->hops);

	json_array_start(js, "route");
	/* An empty route means a payment to oneself, pathlen=0 */
	for (size_t j = 0; j < pathlen; j++) {
		const struct route_hop *hop = &route->hops[j];

		json_object_start(js, NULL);
		json_add_node_id(js, "id", &hop->node_id);
		json_add_short_channel_id(js, "channel", hop->scid);
		json_add_amount_msat(js, "amount_msat", hop->amount);
		json_add_num(js, "direction", hop->direction);
		json_add_u32(js, "delay", hop->delay);
		json_add_string(js, "style", "tlv");
		json_object_end(js);
	}
	json_array_end(js);
	json_add_sha256(js, "payment_hash", &pinfo->payment_hash);

	if (pinfo->payment_secret)
		json_add_secret(js, "payment_secret", pinfo->payment_secret);

	/* FIXME: sendpay has a check that we don't total more than
	 * the exact amount, if we're setting partid (i.e. MPP).
	 * However, we always set partid, and we add a shadow amount if
	 * we've only have one part, so we have to use that amount
	 * here.
	 *
	 * The spec was loosened so you are actually allowed
	 * to overpay, so this check is now overzealous. */
	if (pathlen > 0 &&
	    amount_msat_greater(route_delivers(route), pinfo->amount)) {
		json_add_amount_msat(js, "amount_msat", route_delivers(route));
	} else {
		json_add_amount_msat(js, "amount_msat", pinfo->amount);
	}
	json_add_u64(js, "partid", route->key.partid);
	json_add_u64(js, "groupid", route->key.groupid);

	/* FIXME: some of these fields might not be required for all
	 * payment parts. */
	json_add_string(js, "bolt11", pinfo->invstr);

	if (pinfo->payment_metadata)
		json_add_hex_talarr(js, "payment_metadata",
				    pinfo->payment_metadata);
	if (pinfo->label)
		json_add_string(js, "label", pinfo->label);