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Base system with REST service to issue digital coins, run by the payment service provider
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get_aggregation_deferral_by_wtid.c (2673B)


      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2026 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/get_aggregation_deferral_by_wtid.c
     18  * @brief Implementation of the get_aggregation_deferral_by_wtid 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/get_aggregation_deferral_by_wtid.h"
     24 #include "helper.h"
     25 
     26 
     27 enum GNUNET_DB_QueryStatus
     28 TALER_EXCHANGEDB_get_aggregation_deferral_by_wtid (
     29   struct TALER_EXCHANGEDB_PostgresContext *pg,
     30   const struct TALER_WireTransferIdentifierRawP *wtid,
     31   struct TALER_Amount *amount,
     32   enum TALER_EXCHANGEDB_DeferralReason *reason,
     33   uint64_t *kyc_requirement_row,
     34   struct GNUNET_TIME_Timestamp *deferral_time)
     35 {
     36   struct GNUNET_PQ_QueryParam params[] = {
     37     GNUNET_PQ_query_param_auto_from_type (wtid),
     38     GNUNET_PQ_query_param_end
     39   };
     40   uint32_t reason32;
     41   struct GNUNET_PQ_ResultSpec rs[] = {
     42     TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
     43                                  amount),
     44     GNUNET_PQ_result_spec_uint32 ("deferral_reason",
     45                                   &reason32),
     46     GNUNET_PQ_result_spec_uint64 ("legitimization_requirement_serial_id",
     47                                   kyc_requirement_row),
     48     GNUNET_PQ_result_spec_timestamp ("deferral_time",
     49                                      deferral_time),
     50     GNUNET_PQ_result_spec_end
     51   };
     52   enum GNUNET_DB_QueryStatus qs;
     53 
     54   PREPARE (pg,
     55            "get_aggregation_deferral_by_wtid",
     56            "SELECT"
     57            " amount"
     58            ",deferral_reason"
     59            ",legitimization_requirement_serial_id"
     60            ",deferral_time"
     61            " FROM aggregation_deferrals"
     62            " WHERE wtid_raw=$1"
     63            " ORDER BY aggregation_deferral_serial_id DESC"
     64            " LIMIT 1;");
     65   qs = GNUNET_PQ_eval_prepared_singleton_select (
     66     pg->conn,
     67     "get_aggregation_deferral_by_wtid",
     68     params,
     69     rs);
     70   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
     71     *reason = (enum TALER_EXCHANGEDB_DeferralReason) reason32;
     72   return qs;
     73 }