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             : }