pg_do_refresh.h (2454B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2025 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 exchangedb/pg_do_refresh.h 18 * @brief implementation of the do_refresh function for Postgres 19 * @author Özgür Kesim 20 */ 21 #ifndef PG_DO_REFRESH_H 22 #define PG_DO_REFRESH_H 23 24 #include "taler/taler_util.h" 25 #include "taler/taler_json_lib.h" 26 #include "taler/taler_exchangedb_plugin.h" 27 /** 28 * Perform refresh operation--introduced with v26 of the API--, 29 * checking for sufficient balance of the coin and possibly persisting the melt/refresh details. 30 * 31 * @param cls the plugin-specific state 32 * @param[in,out] refresh refresh operation details; the noreveal_index 33 * is set in case the coin was already melted before 34 * @param timestamp the timestamp of this melt operation, helpful for the coin history. 35 * @param[in,out] zombie_required true if the melt must only succeed 36 * if the coin is a zombie, set to false if the requirement was satisfied 37 * @param[out] found set to true if there exists already an entry in the database for 38 * the calculated commitment hash. 39 * @param[out] noreveal_index if @e idempotent ist true, the existing value of the noreveal_index. 40 * @param[out] nonce_reuse set to true if the blinding seed for CS was re-used. 41 * @param[out] balance_ok set to true if the balance was sufficient 42 * @param[out] coin_balance if balance_ok is false, set to the remaining value of the coin 43 * @return query execution status, NO_RESULTS in case of an unknown coin. 44 */ 45 enum GNUNET_DB_QueryStatus 46 TEH_PG_do_refresh ( 47 void *cls, 48 struct TALER_EXCHANGEDB_Refresh_v27 *refresh, 49 const struct GNUNET_TIME_Timestamp *timestamp, 50 bool *found, 51 uint32_t *noreveal_index, 52 bool *zombie_required, 53 bool *nonce_reuse, 54 bool *balance_ok, 55 struct TALER_Amount *coin_balance); 56 57 #endif