Line data    Source code

       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_denomination_balance.c
      18             :  * @brief Low-level (statement-level) Postgres database access for the exchange
      19             :  * @author Christian Grothoff
      20             :  */
      21             : #include "platform.h"
      22             : #include "taler_error_codes.h"
      23             : #include "taler_dbevents.h"
      24             : #include "taler_pq_lib.h"
      25             : #include "pg_get_denomination_balance.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : 
      29             : enum GNUNET_DB_QueryStatus
      30         239 : TAH_PG_get_denomination_balance (
      31             :   void *cls,
      32             :   const struct TALER_DenominationHashP *denom_pub_hash,
      33             :   struct TALER_AUDITORDB_DenominationCirculationData *dcd)
      34             : {
      35         239 :   struct PostgresClosure *pg = cls;
      36         239 :   struct GNUNET_PQ_QueryParam params[] = {
      37         239 :     GNUNET_PQ_query_param_auto_from_type (denom_pub_hash),
      38             :     GNUNET_PQ_query_param_end
      39             :   };
      40         239 :   struct GNUNET_PQ_ResultSpec rs[] = {
      41         239 :     TALER_PQ_RESULT_SPEC_AMOUNT ("denom_balance",
      42             :                                  &dcd->denom_balance),
      43         239 :     TALER_PQ_RESULT_SPEC_AMOUNT ("denom_loss",
      44             :                                  &dcd->denom_loss),
      45         239 :     TALER_PQ_RESULT_SPEC_AMOUNT ("denom_risk",
      46             :                                  &dcd->denom_risk),
      47         239 :     TALER_PQ_RESULT_SPEC_AMOUNT ("recoup_loss",
      48             :                                  &dcd->recoup_loss),
      49         239 :     GNUNET_PQ_result_spec_uint64 ("num_issued",
      50             :                                   &dcd->num_issued),
      51             :     GNUNET_PQ_result_spec_end
      52             :   };
      53             : 
      54         239 :   PREPARE (pg,
      55             :            "auditor_denomination_pending_select",
      56             :            "SELECT"
      57             :            " denom_balance"
      58             :            ",denom_loss"
      59             :            ",num_issued"
      60             :            ",denom_risk"
      61             :            ",recoup_loss"
      62             :            " FROM auditor_denomination_pending"
      63             :            " WHERE denom_pub_hash=$1");
      64         239 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      65             :                                                    "auditor_denomination_pending_select",
      66             :                                                    params,
      67             :                                                    rs);
      68             : }