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Base system with REST service to issue digital coins, run by the payment service provider
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select_aggregations_above_serial.h (3008B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2023 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_aggregations_above_serial.h
     18  * @brief implementation of the select_aggregations_above_serial function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #ifndef EXCHANGE_DATABASE_SELECT_AGGREGATIONS_ABOVE_SERIAL_H
     22 #define EXCHANGE_DATABASE_SELECT_AGGREGATIONS_ABOVE_SERIAL_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 on aggregations that were done for
     31  * a (batch) deposit.
     32  *
     33  * @param cls closure
     34  * @param amount affected amount
     35  * @param tracking_serial_id where in the table are we
     36  * @param batch_deposit_serial_id which batch deposit was aggregated
     37  */
     38 typedef void
     39 (*TALER_EXCHANGEDB_AggregationCallback)(
     40   void *cls,
     41   const struct TALER_Amount *amount,
     42   uint64_t tracking_serial_id,
     43   uint64_t batch_deposit_serial_id);
     44 
     45 
     46 /* Callback typedefs */
     47 /**
     48  * Function called on aggregations that were done for
     49  * a (batch) deposit.
     50  *
     51  * @param cls closure
     52  * @param amount affected amount
     53  * @param tracking_serial_id where in the table are we
     54  * @param batch_deposit_serial_id which batch deposit was aggregated
     55  */
     56 typedef void
     57 (*TALER_EXCHANGEDB_AggregationCallback)(
     58   void *cls,
     59   const struct TALER_Amount *amount,
     60   uint64_t tracking_serial_id,
     61   uint64_t batch_deposit_serial_id);
     62 
     63 /**
     64  * Select all aggregation tracking IDs in the database
     65  * above a given @a min_tracking_serial_id.
     66  *
     67  * @param pg the database context
     68  * @param min_tracking_serial_id only return entries strictly above this row (and in order)
     69  * @param cb function to call on all such aggregations
     70  * @param cb_cls closure for @a cb
     71  * @return transaction status code
     72  */
     73 enum GNUNET_DB_QueryStatus
     74 TALER_EXCHANGEDB_select_aggregations_above_serial (struct
     75                                                    TALER_EXCHANGEDB_PostgresContext
     76                                                    *
     77                                                    pg,
     78                                                    uint64_t
     79                                                    min_tracking_serial_id,
     80                                                    TALER_EXCHANGEDB_AggregationCallback
     81                                                    cb,
     82                                                    void *cb_cls);
     83 
     84 
     85 #endif