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/find_aggregation_transient.c
      18              :  * @brief Implementation of the find_aggregation_transient function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/taler_error_codes.h"
      22              : #include "taler/taler_pq_lib.h"
      23              : #include "exchange-database/find_aggregation_transient.h"
      24              : #include "helper.h"
      25              : 
      26              : 
      27              : enum GNUNET_DB_QueryStatus
      28            1 : TALER_EXCHANGEDB_find_aggregation_transient (
      29              :   struct TALER_EXCHANGEDB_PostgresContext *pg,
      30              :   const struct TALER_NormalizedPaytoHashP *h_payto,
      31              :   struct TALER_FullPayto *payto_uri,
      32              :   struct TALER_WireTransferIdentifierRawP *wtid,
      33              :   struct TALER_MerchantPublicKeyP *merchant_pub,
      34              :   struct TALER_Amount *total)
      35              : {
      36            1 :   struct GNUNET_PQ_QueryParam params[] = {
      37            1 :     GNUNET_PQ_query_param_auto_from_type (h_payto),
      38              :     GNUNET_PQ_query_param_end
      39              :   };
      40            1 :   struct GNUNET_PQ_ResultSpec rs[] = {
      41            1 :     GNUNET_PQ_result_spec_auto_from_type ("merchant_pub",
      42              :                                           merchant_pub),
      43            1 :     GNUNET_PQ_result_spec_auto_from_type ("wtid_raw",
      44              :                                           wtid),
      45            1 :     GNUNET_PQ_result_spec_string ("payto_uri",
      46              :                                   &payto_uri->full_payto),
      47            1 :     TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
      48              :                                  total),
      49              :     GNUNET_PQ_result_spec_end
      50              :   };
      51              : 
      52            1 :   PREPARE (pg,
      53              :            "find_transient_aggregations",
      54              :            "SELECT"
      55              :            "  atr.amount"
      56              :            " ,atr.wtid_raw"
      57              :            " ,atr.merchant_pub"
      58              :            " ,wt.payto_uri"
      59              :            " FROM wire_targets wt"
      60              :            " JOIN aggregation_transient atr"
      61              :            "   USING (wire_target_h_payto)"
      62              :            " WHERE wt.h_normalized_payto=$1"
      63              :            " LIMIT 1;"); /* Note: there should really be only 1 match */
      64            1 :   return GNUNET_PQ_eval_prepared_singleton_select (
      65              :     pg->conn,
      66              :     "find_transient_aggregations",
      67              :     params,
      68              :     rs);
      69              : }