select_purse_decisions_above_serial_id.h (4216B)
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 src/include/exchange-database/select_purse_decisions_above_serial_id.h 18 * @brief implementation of the select_purse_decisions_above_serial_id function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef EXCHANGE_DATABASE_SELECT_PURSE_DECISIONS_ABOVE_SERIAL_ID_H 22 #define EXCHANGE_DATABASE_SELECT_PURSE_DECISIONS_ABOVE_SERIAL_ID_H 23 24 #include "taler/taler_util.h" 25 #include "taler/taler_json_lib.h" 26 #include "exchangedb_lib.h" 27 28 29 /** 30 * Function called with details about purse decisions that have been made, with 31 * the goal of auditing the purse's execution. 32 * 33 * @param cls closure 34 * @param rowid unique serial ID for the deposit in our DB 35 * @param purse_pub public key of the purse 36 * @param reserve_pub public key of the target reserve, NULL if not known / refunded 37 * @param purse_value what is the (target) value of the purse 38 * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop 39 */ 40 #ifndef TALER_EXCHANGEDB_PURSE_DECISION_RESULT_CLOSURE 41 /** 42 * Type of the closure for #TALER_EXCHANGEDB_PurseDecisionCallback. 43 */ 44 #define TALER_EXCHANGEDB_PURSE_DECISION_RESULT_CLOSURE void 45 #endif 46 typedef enum GNUNET_GenericReturnValue 47 (*TALER_EXCHANGEDB_PurseDecisionCallback)( 48 TALER_EXCHANGEDB_PURSE_DECISION_RESULT_CLOSURE *cls, 49 uint64_t rowid, 50 const struct TALER_PurseContractPublicKeyP *purse_pub, 51 const struct TALER_ReservePublicKeyP *reserve_pub, 52 const struct TALER_Amount *purse_value); 53 54 55 /* Callback typedefs */ 56 /** 57 * Function called with details about purse decisions that have been made, with 58 * the goal of auditing the purse's execution. 59 * 60 * @param cls closure 61 * @param rowid unique serial ID for the deposit in our DB 62 * @param purse_pub public key of the purse 63 * @param reserve_pub public key of the target reserve, NULL if not known / refunded 64 * @param purse_value what is the (target) value of the purse 65 * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop 66 */ 67 typedef enum GNUNET_GenericReturnValue 68 (*TALER_EXCHANGEDB_PurseDecisionCallback)( 69 TALER_EXCHANGEDB_PURSE_DECISION_RESULT_CLOSURE *cls, 70 uint64_t rowid, 71 const struct TALER_PurseContractPublicKeyP *purse_pub, 72 const struct TALER_ReservePublicKeyP *reserve_pub, 73 const struct TALER_Amount *purse_value); 74 75 /** 76 * Select purse decisions above @a serial_id in monotonically increasing 77 * order. 78 * 79 * @param pg the database context 80 * @param serial_id highest serial ID to exclude (select strictly larger) 81 * @param refunded which refund status to select for 82 * @param cb function to call on each result 83 * @param cb_cls closure for @a cb 84 * @return transaction status code 85 */ 86 enum GNUNET_DB_QueryStatus 87 TALER_TALER_EXCHANGEDB_select_purse_decisions_above_serial_id (struct 88 TALER_EXCHANGEDB_PostgresContext 89 * 90 pg, 91 uint64_t 92 serial_id, 93 bool refunded, 94 TALER_EXCHANGEDB_PurseDecisionCallback 95 cb, 96 TALER_EXCHANGEDB_PURSE_DECISION_RESULT_CLOSURE 97 *cb_cls); 98 99 #endif