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Base system with REST service to issue digital coins, run by the payment service provider
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pg_lookup_active_legitimization.c (2177B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 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_lookup_pending_legitimization.c
     18  * @brief Implementation of the lookup_pending_legitimization 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_lookup_active_legitimization.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TEH_PG_lookup_active_legitimization (
     31   void *cls,
     32   uint64_t legitimization_process_serial_id,
     33   uint32_t *measure_index,
     34   json_t **jmeasures)
     35 {
     36   struct PostgresClosure *pg = cls;
     37   struct GNUNET_PQ_QueryParam params[] = {
     38     GNUNET_PQ_query_param_uint64 (&legitimization_process_serial_id),
     39     GNUNET_PQ_query_param_end
     40   };
     41   struct GNUNET_PQ_ResultSpec rs[] = {
     42     TALER_PQ_result_spec_json (
     43       "jmeasures",
     44       jmeasures),
     45     GNUNET_PQ_result_spec_uint32 (
     46       "measure_index",
     47       measure_index),
     48     GNUNET_PQ_result_spec_end
     49   };
     50 
     51   PREPARE (pg,
     52            "lookup_active_legitimization",
     53            "SELECT "
     54            " lm.jmeasures::TEXT"
     55            ",lp.measure_index"
     56            " FROM legitimization_processes lp"
     57            " JOIN legitimization_measures lm"
     58            "   USING (legitimization_measure_serial_id)"
     59            " WHERE lp.legitimization_process_serial_id=$1"
     60            "   AND NOT lm.is_finished;");
     61   return GNUNET_PQ_eval_prepared_singleton_select (
     62     pg->conn,
     63     "lookup_active_legitimization",
     64     params,
     65     rs);
     66 }