pg_insert_order_lock.h (1969B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along with 14 TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file backenddb/pg_insert_order_lock.h 18 * @brief implementation of the insert_order_lock function for Postgres 19 * @author Iván Ávalos 20 */ 21 #ifndef PG_INSERT_ORDER_LOCK_H 22 #define PG_INSERT_ORDER_LOCK_H 23 24 #include <taler/taler_util.h> 25 #include <taler/taler_json_lib.h> 26 #include "taler_merchantdb_plugin.h" 27 28 /** 29 * Lock inventory stock to a particular order. 30 * 31 * @param cls closure 32 * @param instance_id identifies the instance responsible for the order 33 * @param order_id alphanumeric string that uniquely identifies the order 34 * @param product_id uniquely identifies the product to be locked 35 * @param quantity how many units should be locked to the @a order_id 36 * @param quantity_frac fractional component of the quantity in units of 37 * 1/1000000 of the base value 38 * @return transaction status, 39 * #GNUNET_DB_STATUS_SUCCESS_NO_RESULTS means there are insufficient stocks 40 * #GNUNET_DB_STATUS_SUCCESS_ONE_RESULT indicates success 41 */ 42 enum GNUNET_DB_QueryStatus 43 TMH_PG_insert_order_lock (void *cls, 44 const char *instance_id, 45 const char *order_id, 46 const char *product_id, 47 uint64_t quantity, 48 uint32_t quantity_frac); 49 50 #endif