get_balances.h (2180B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2024 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 #ifndef AUDITOR_DATABASE_GET_BALANCES_H 17 #define AUDITOR_DATABASE_GET_BALANCES_H 18 19 #include "taler/taler_util.h" 20 #include "taler/taler_json_lib.h" 21 #include "auditordb_lib.h" 22 23 24 /** 25 * Information about a balance 26 */ 27 struct TALER_AUDITORDB_Balances 28 { 29 uint64_t row_id; 30 char *balance_key; 31 struct TALER_Amount balance_value; 32 bool suppressed; 33 34 }; 35 36 #ifndef TALER_AUDITORDB_BALANCES_RESULT_CLOSURE 37 /** 38 * Type of the closure for #TALER_AUDITORDB_BalancesCallback. 39 */ 40 #define TALER_AUDITORDB_BALANCES_RESULT_CLOSURE void 41 #endif 42 typedef enum GNUNET_GenericReturnValue 43 (*TALER_AUDITORDB_BalancesCallback)( 44 TALER_AUDITORDB_BALANCES_RESULT_CLOSURE *cls, 45 const struct TALER_AUDITORDB_Balances *dc); 46 47 48 /* Callback typedefs */ 49 typedef enum GNUNET_GenericReturnValue 50 (*TALER_AUDITORDB_BalancesCallback)( 51 TALER_AUDITORDB_BALANCES_RESULT_CLOSURE *cls, 52 const struct TALER_AUDITORDB_Balances *dc); 53 54 /** 55 * Get information about balances from the database. 56 * 57 * @param pg the database context 58 * @param balance_key key to filter by, NULL to match all balance keys 59 * @param cb function to call with results 60 * @param cb_cls closure for @a cb 61 * @return query result status 62 */ 63 enum GNUNET_DB_QueryStatus 64 TALER_AUDITORDB_get_balances (struct TALER_AUDITORDB_PostgresContext *pg, 65 const char *balance_key, 66 TALER_AUDITORDB_BalancesCallback cb, 67 TALER_AUDITORDB_BALANCES_RESULT_CLOSURE *cb_cls); 68 69 #endif