exchange

Base system with REST service to issue digital coins, run by the payment service provider
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pg_insert_successor_measure.c (3203B)


      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2022, 2023, 2024 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_insert_successor_measure.c
     18  * @brief Implementation of the insert_succesor_measure function for Postgres
     19  * @author Florian Dold
     20  */
     21 #include "taler/taler_pq_lib.h"
     22 #include "taler/exchange-database/insert_successor_measure.h"
     23 #include "helper.h"
     24 #include <gnunet/gnunet_pq_lib.h>
     25 
     26 
     27 enum GNUNET_DB_QueryStatus
     28 TALER_EXCHANGEDB_insert_successor_measure (
     29   struct TALER_EXCHANGEDB_PostgresContext *pg,
     30   const struct TALER_NormalizedPaytoHashP *h_payto,
     31   struct GNUNET_TIME_Timestamp decision_time,
     32   const char *new_measure_name,
     33   const json_t *jmeasures,
     34   bool *unknown_account,
     35   struct GNUNET_TIME_Timestamp *last_date)
     36 {
     37   struct TALER_EXCHANGEDB_KycCompletedEventP rep = {
     38     .header.size = htons (sizeof (rep)),
     39     .header.type = htons (TALER_DBEVENT_EXCHANGE_KYC_COMPLETED),
     40     .h_payto = *h_payto
     41   };
     42   /* We're reverting back to default rules => never expires.*/
     43   struct GNUNET_TIME_Timestamp expiration_time = {
     44     .abs_time = GNUNET_TIME_UNIT_FOREVER_ABS,
     45   };
     46   char *notify_s
     47     = GNUNET_PQ_get_event_notify_channel (&rep.header);
     48   struct GNUNET_PQ_QueryParam params[] = {
     49     GNUNET_PQ_query_param_auto_from_type (h_payto),
     50     GNUNET_PQ_query_param_timestamp (&decision_time),
     51     GNUNET_PQ_query_param_timestamp (&expiration_time),
     52     NULL != new_measure_name
     53       ? GNUNET_PQ_query_param_string (new_measure_name)
     54       : GNUNET_PQ_query_param_null (),
     55     NULL != jmeasures
     56       ? TALER_PQ_query_param_json (jmeasures)
     57       : GNUNET_PQ_query_param_null (),
     58     GNUNET_PQ_query_param_end
     59   };
     60   struct GNUNET_PQ_ResultSpec rs[] = {
     61     GNUNET_PQ_result_spec_bool ("out_account_unknown",
     62                                 unknown_account),
     63     GNUNET_PQ_result_spec_timestamp ("out_last_date",
     64                                      last_date),
     65     GNUNET_PQ_result_spec_end
     66   };
     67   enum GNUNET_DB_QueryStatus qs;
     68 
     69   PREPARE (pg,
     70            "do_insert_successor_measure",
     71            "SELECT"
     72            " out_account_unknown"
     73            ",out_last_date"
     74            ",out_legitimization_measure_serial_id"
     75            " FROM exchange_do_insert_successor_measure"
     76            "($1, $2, $3, $4, $5::TEXT::JSONB);");
     77   qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     78                                                  "do_insert_successor_measure",
     79                                                  params,
     80                                                  rs);
     81   GNUNET_free (notify_s);
     82   GNUNET_PQ_event_do_poll (pg->conn);
     83   return qs;
     84 }