iterate_fountain_grants.h (2382B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2026 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/merchant-database/iterate_fountain_grants.h 18 * @brief implementation of the iterate_fountain_grants function for Postgres 19 * @author Bohdan Potuzhnyi 20 */ 21 #ifndef MERCHANT_DATABASE_ITERATE_FOUNTAIN_GRANTS_H 22 #define MERCHANT_DATABASE_ITERATE_FOUNTAIN_GRANTS_H 23 24 #include <taler/taler_util.h> 25 #include "merchantdb_lib.h" 26 27 28 struct TALER_MERCHANTDB_PostgresContext; 29 30 /** 31 * Typically called by `iterate_fountain_grants`. 32 * 33 * @param cls closure 34 * @param token_family_slug slug of the granted token family 35 * @param token_family_serial serial of the granted token family 36 * @param tokens_per_period_limit maximum withdrawals per issue-key 37 * validity period 38 * @param tokens_per_period_stash suggested number of tokens to hold 39 * per period 40 * @param key_window_size number of issue-key slots ahead the wallet 41 * may withdraw tokens for 42 */ 43 typedef void 44 (*TALER_MERCHANTDB_FountainGrantsCallback)( 45 void *cls, 46 const char *token_family_slug, 47 uint64_t token_family_serial, 48 uint64_t tokens_per_period_limit, 49 uint64_t tokens_per_period_stash, 50 uint32_t key_window_size); 51 52 53 /** 54 * Iterate over all grants of a fountain. 55 * 56 * @param pg database context 57 * @param instance_id instance the fountain belongs to 58 * @param fountain_serial serial of the fountain to iterate grants of 59 * @param cb function to call with each grant 60 * @param cb_cls closure for @a cb 61 * @return database result code 62 */ 63 enum GNUNET_DB_QueryStatus 64 TALER_MERCHANTDB_iterate_fountain_grants ( 65 struct TALER_MERCHANTDB_PostgresContext *pg, 66 const char *instance_id, 67 uint64_t fountain_serial, 68 TALER_MERCHANTDB_FountainGrantsCallback cb, 69 void *cb_cls); 70 71 #endif