Line data    Source code

       1              : /*
       2              :    This file is part of TALER
       3              :    Copyright (C) 2022, 2024, 2025 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 exchangedb/pg_find_aggregation_transient.c
      18              :  * @brief Implementation of the find_aggregation_transient function for Postgres
      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_find_aggregation_transient.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : 
      29              : enum GNUNET_DB_QueryStatus
      30            1 : TEH_PG_find_aggregation_transient (
      31              :   void *cls,
      32              :   const struct TALER_NormalizedPaytoHashP *h_payto,
      33              :   struct TALER_FullPayto *payto_uri,
      34              :   struct TALER_WireTransferIdentifierRawP *wtid,
      35              :   struct TALER_MerchantPublicKeyP *merchant_pub,
      36              :   struct TALER_Amount *total)
      37              : {
      38            1 :   struct PostgresClosure *pg = cls;
      39            1 :   struct GNUNET_PQ_QueryParam params[] = {
      40            1 :     GNUNET_PQ_query_param_auto_from_type (h_payto),
      41              :     GNUNET_PQ_query_param_end
      42              :   };
      43            1 :   struct GNUNET_PQ_ResultSpec rs[] = {
      44            1 :     GNUNET_PQ_result_spec_auto_from_type ("merchant_pub",
      45              :                                           merchant_pub),
      46            1 :     GNUNET_PQ_result_spec_auto_from_type ("wtid_raw",
      47              :                                           wtid),
      48            1 :     GNUNET_PQ_result_spec_string ("payto_uri",
      49              :                                   &payto_uri->full_payto),
      50            1 :     TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
      51              :                                  total),
      52              :     GNUNET_PQ_result_spec_end
      53              :   };
      54              : 
      55            1 :   PREPARE (pg,
      56              :            "find_transient_aggregations",
      57              :            "SELECT"
      58              :            "  atr.amount"
      59              :            " ,atr.wtid_raw"
      60              :            " ,atr.merchant_pub"
      61              :            " ,wt.payto_uri"
      62              :            " FROM wire_targets wt"
      63              :            " JOIN aggregation_transient atr"
      64              :            "   USING (wire_target_h_payto)"
      65              :            " WHERE wt.h_normalized_payto=$1"
      66              :            " LIMIT 1;"); /* Note: there should really be only 1 match */
      67            1 :   return GNUNET_PQ_eval_prepared_singleton_select (
      68              :     pg->conn,
      69              :     "find_transient_aggregations",
      70              :     params,
      71              :     rs);
      72              : }