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 "taler/platform.h"
      22              : #include "taler/taler_error_codes.h"
      23              : #include "taler/taler_dbevents.h"
      24              : #include "taler/taler_pq_lib.h"
      25              : #include "pg_get_denomination_balance.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : 
      29              : enum GNUNET_DB_QueryStatus
      30            1 : TAH_PG_get_denomination_balance (
      31              :   void *cls,
      32              :   const struct TALER_DenominationHashP *denom_pub_hash,
      33              :   struct TALER_AUDITORDB_DenominationCirculationData *dcd)
      34              : {
      35            1 :   struct PostgresClosure *pg = cls;
      36            1 :   struct GNUNET_PQ_QueryParam params[] = {
      37            1 :     GNUNET_PQ_query_param_auto_from_type (denom_pub_hash),
      38              :     GNUNET_PQ_query_param_end
      39              :   };
      40            1 :   struct GNUNET_PQ_ResultSpec rs[] = {
      41            1 :     TALER_PQ_RESULT_SPEC_AMOUNT ("denom_balance",
      42              :                                  &dcd->denom_balance),
      43            1 :     TALER_PQ_RESULT_SPEC_AMOUNT ("denom_loss",
      44              :                                  &dcd->denom_loss),
      45            1 :     TALER_PQ_RESULT_SPEC_AMOUNT ("denom_risk",
      46              :                                  &dcd->denom_risk),
      47            1 :     TALER_PQ_RESULT_SPEC_AMOUNT ("recoup_loss",
      48              :                                  &dcd->recoup_loss),
      49            1 :     GNUNET_PQ_result_spec_uint64 ("num_issued",
      50              :                                   &dcd->num_issued),
      51              :     GNUNET_PQ_result_spec_end
      52              :   };
      53              : 
      54            1 :   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            1 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      65              :                                                    "auditor_denomination_pending_select",
      66              :                                                    params,
      67              :                                                    rs);
      68              : }