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Base system with REST service to issue digital coins, run by the payment service provider
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pg_get_reserve_history.h (2286B)

      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 pg_get_reserve_history.h
     18  * @brief implementation of the get_reserve_history function
     19  * @author Christian Grothoff
     20  */
     21 #ifndef PG_GET_RESERVE_HISTORY_H
     22 #define PG_GET_RESERVE_HISTORY_H
     23 
     24 #include "taler/taler_util.h"
     25 #include "taler/taler_json_lib.h"
     26 #include "taler/taler_exchangedb_plugin.h"
     27 
     28 
     29 /**
     30  * Compile a list of (historic) transactions performed with the given reserve
     31  * (withdraw, incoming wire, open, close operations).  Should return 0 if the @a
     32  * reserve_pub is unknown, otherwise determine @a etag_out and if it is past @a
     33  * etag_in return the history after @a start_off. @a etag_out should be set
     34  * to the last row ID of the given @a reserve_pub in the reserve history table.
     35  *
     36  * @param cls the `struct PostgresClosure` with the plugin-specific state
     37  * @param reserve_pub public key of the reserve
     38  * @param start_off maximum starting offset in history to exclude from returning
     39  * @param etag_in up to this offset the client already has a response, do not
     40  *                   return anything unless @a etag_out will be larger
     41  * @param[out] etag_out set to the latest history offset known for this @a coin_pub
     42  * @param[out] balance set to the reserve balance
     43  * @param[out] rhp set to known transaction history (NULL if reserve is unknown)
     44  * @return transaction status
     45  */
     46 enum GNUNET_DB_QueryStatus
     47 TEH_PG_get_reserve_history (
     48   void *cls,
     49   const struct TALER_ReservePublicKeyP *reserve_pub,
     50   uint64_t start_off,
     51   uint64_t etag_in,
     52   uint64_t *etag_out,
     53   struct TALER_Amount *balance,
     54   struct TALER_EXCHANGEDB_ReserveHistory **rhp);
     55 
     56 
     57 #endif