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Base system with REST service to issue digital coins, run by the payment service provider
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select_purse_deposits_above_serial_id.h (4259B)


      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_purse_deposits_above_serial_id.h
     18  * @brief implementation of the select_purse_deposits_above_serial_id function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #ifndef EXCHANGE_DATABASE_SELECT_PURSE_DEPOSITS_ABOVE_SERIAL_ID_H
     22 #define EXCHANGE_DATABASE_SELECT_PURSE_DEPOSITS_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 deposits that have been made, with
     31  * the goal of auditing the deposit's execution.
     32  *
     33  * @param cls closure
     34  * @param rowid unique serial ID for the deposit in our DB
     35  * @param deposit deposit details
     36  * @param reserve_pub which reserve is the purse merged into, NULL if unknown
     37  * @param flags purse flags
     38  * @param auditor_balance purse balance (according to the
     39  *          auditor during auditing)
     40  * @param purse_total target amount the purse should reach
     41  * @param denom_pub denomination public key of @a coin_pub
     42  * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
     43  */
     44 typedef enum GNUNET_GenericReturnValue
     45 (*TALER_EXCHANGEDB_PurseDepositCallback)(
     46   void *cls,
     47   uint64_t rowid,
     48   const struct TALER_EXCHANGEDB_PurseDeposit *deposit,
     49   const struct TALER_ReservePublicKeyP *reserve_pub,
     50   enum TALER_WalletAccountMergeFlags flags,
     51   const struct TALER_Amount *auditor_balance,
     52   const struct TALER_Amount *purse_total,
     53   const struct TALER_DenominationPublicKey *denom_pub);
     54 
     55 
     56 /* Callback typedefs */
     57 /**
     58  * Function called with details about purse deposits that have been made, with
     59  * the goal of auditing the deposit's execution.
     60  *
     61  * @param cls closure
     62  * @param rowid unique serial ID for the deposit in our DB
     63  * @param deposit deposit details
     64  * @param reserve_pub which reserve is the purse merged into, NULL if unknown
     65  * @param flags purse flags
     66  * @param auditor_balance purse balance (according to the
     67  *          auditor during auditing)
     68  * @param purse_total target amount the purse should reach
     69  * @param denom_pub denomination public key of @a coin_pub
     70  * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
     71  */
     72 typedef enum GNUNET_GenericReturnValue
     73 (*TALER_EXCHANGEDB_PurseDepositCallback)(
     74   void *cls,
     75   uint64_t rowid,
     76   const struct TALER_EXCHANGEDB_PurseDeposit *deposit,
     77   const struct TALER_ReservePublicKeyP *reserve_pub,
     78   enum TALER_WalletAccountMergeFlags flags,
     79   const struct TALER_Amount *auditor_balance,
     80   const struct TALER_Amount *purse_total,
     81   const struct TALER_DenominationPublicKey *denom_pub);
     82 
     83 /**
     84  * Select deposits above @a serial_id in monotonically increasing
     85  * order.
     86  *
     87  * @param pg the database context
     88  * @param serial_id highest serial ID to exclude (select strictly larger)
     89  * @param cb function to call on each result
     90  * @param cb_cls closure for @a cb
     91  * @return transaction status code
     92  */
     93 enum GNUNET_DB_QueryStatus
     94 TALER_TALER_EXCHANGEDB_select_purse_deposits_above_serial_id (struct
     95                                                               TALER_EXCHANGEDB_PostgresContext
     96                                                               *
     97                                                               pg,
     98                                                               uint64_t serial_id
     99                                                               ,
    100                                                               TALER_EXCHANGEDB_PurseDepositCallback
    101                                                               cb,
    102                                                               void *cb_cls);
    103 
    104 
    105 #endif