Function json_createoffer

lightningd/offer.c:85–141

}

static struct command_result *json_createoffer(struct command *cmd,
					       const char *buffer,
					       const jsmntok_t *obj UNNEEDED,
					       const jsmntok_t *params)
{
	struct json_stream *response;
	struct json_escape *label;
	struct tlv_offer *offer;
	struct sha256 merkle;
	const char *b12str, *b12str_nosig;
	bool *single_use;
	enum offer_status status;
	struct point32 key;
	bool created;

	if (!param(cmd, buffer, params,
		   p_req("bolt12", param_b12_offer, &offer),
		   p_opt("label", param_label, &label),
		   p_opt_def("single_use", param_bool, &single_use, false),
		   NULL))
		return command_param_failed();

	if (*single_use)
		status = OFFER_SINGLE_USE_UNUSED;
	else
		status = OFFER_MULTIPLE_USE_UNUSED;
 	merkle_tlv(offer->fields, &merkle);
	offer->signature = tal(offer, struct bip340sig);
	if (!point32_from_node_id(&key, &cmd->ld->id))
		fatal("invalid own node_id?");
	hsm_sign_b12(cmd->ld, "offer", "signature", &merkle, NULL, &key,
		     offer->signature);
	b12str = offer_encode(cmd, offer);

	/* If it already exists, we use that one instead (and then
	 * the offer plugin will complain if it's inactive or expired) */
	if (!wallet_offer_create(cmd->ld->wallet, &merkle,
				 b12str, label, status)) {
		if (!wallet_offer_find(cmd, cmd->ld->wallet, &merkle,
				       cast_const2(const struct json_escape **,
						   &label),
				       &status)) {
			return command_fail(cmd, LIGHTNINGD,
					    "Could not create, nor find offer");
		}
		created = false;
	} else
		created = true;

	offer->signature = tal_free(offer->signature);
	b12str_nosig = offer_encode(cmd, offer);

	response = json_stream_success(cmd);
	json_populate_offer(response, &merkle, b12str, b12str_nosig, label, status);
	json_add_bool(response, "created", created);
	return command_success(cmd, response);
}