select_reserve_open_above_serial_id.h (4161B)
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 select_reserve_open_above_serial_id.h 18 * @brief implementation of the select_reserve_open_above_serial_id function 19 * @author Christian Grothoff 20 */ 21 #ifndef EXCHANGE_DATABASE_SELECT_RESERVE_OPEN_ABOVE_SERIAL_ID_H 22 #define EXCHANGE_DATABASE_SELECT_RESERVE_OPEN_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 about reserve opening operations. 31 * 32 * @param cls closure 33 * @param rowid row identifier used to uniquely identify the reserve closing operation 34 * @param reserve_payment how much to pay from the 35 * reserve's own balance for opening the reserve 36 * @param request_timestamp when was the request created 37 * @param reserve_expiration desired expiration time for the reserve 38 * @param purse_limit minimum number of purses the client 39 * wants to have concurrently open for this reserve 40 * @param reserve_pub public key of the reserve 41 * @param reserve_sig signature affirming the operation 42 * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop 43 */ 44 typedef enum GNUNET_GenericReturnValue 45 (*TALER_EXCHANGEDB_ReserveOpenCallback)( 46 void *cls, 47 uint64_t rowid, 48 const struct TALER_Amount *reserve_payment, 49 struct GNUNET_TIME_Timestamp request_timestamp, 50 struct GNUNET_TIME_Timestamp reserve_expiration, 51 uint32_t purse_limit, 52 const struct TALER_ReservePublicKeyP *reserve_pub, 53 const struct TALER_ReserveSignatureP *reserve_sig); 54 55 56 /* Callback typedefs */ 57 /** 58 * Function called about reserve opening operations. 59 * 60 * @param cls closure 61 * @param rowid row identifier used to uniquely identify the reserve closing operation 62 * @param reserve_payment how much to pay from the 63 * reserve's own balance for opening the reserve 64 * @param request_timestamp when was the request created 65 * @param reserve_expiration desired expiration time for the reserve 66 * @param purse_limit minimum number of purses the client 67 * wants to have concurrently open for this reserve 68 * @param reserve_pub public key of the reserve 69 * @param reserve_sig signature affirming the operation 70 * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop 71 */ 72 typedef enum GNUNET_GenericReturnValue 73 (*TALER_EXCHANGEDB_ReserveOpenCallback)( 74 void *cls, 75 uint64_t rowid, 76 const struct TALER_Amount *reserve_payment, 77 struct GNUNET_TIME_Timestamp request_timestamp, 78 struct GNUNET_TIME_Timestamp reserve_expiration, 79 uint32_t purse_limit, 80 const struct TALER_ReservePublicKeyP *reserve_pub, 81 const struct TALER_ReserveSignatureP *reserve_sig); 82 83 /** 84 * Function called to select reserve open operations, ordered by serial ID 85 * (monotonically increasing). 86 * 87 * @param pg the database context 88 * @param serial_id lowest serial ID to include (select larger or equal) 89 * @param cb function to call for ONE unfinished item 90 * @param cb_cls closure for @a cb 91 * @return transaction status code 92 */ 93 enum GNUNET_DB_QueryStatus 94 TALER_EXCHANGEDB_select_reserve_open_above_serial_id (struct 95 TALER_EXCHANGEDB_PostgresContext 96 *pg, 97 uint64_t serial_id, 98 TALER_EXCHANGEDB_ReserveOpenCallback 99 cb, 100 void *cb_cls); 101 102 103 #endif