merchant

Merchant backend to process payments, run by merchants
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get_kyc_limits.c (2791B)

      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 src/backenddb/get_kyc_limits.c
     18  * @brief Implementation of the get_kyc_limits function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "platform.h"
     22 #include <taler/taler_pq_lib.h>
     23 #include "merchant-database/get_kyc_limits.h"
     24 #include "helper.h"
     25 
     26 
     27 enum GNUNET_DB_QueryStatus
     28 TALER_MERCHANTDB_get_kyc_limits (
     29   struct TALER_MERCHANTDB_PostgresContext *pg,
     30   struct TALER_FullPayto merchant_account_uri,
     31   const char *instance_id,
     32   const char *exchange_url,
     33   bool *kyc_ok,
     34   bool *no_access_token,
     35   json_t **jlimits)
     36 {
     37   struct GNUNET_PQ_QueryParam params[] = {
     38     GNUNET_PQ_query_param_string (merchant_account_uri.full_payto),
     39     GNUNET_PQ_query_param_string (exchange_url),
     40     GNUNET_PQ_query_param_end
     41   };
     42   struct GNUNET_PQ_ResultSpec rs[] = {
     43     GNUNET_PQ_result_spec_bool ("kyc_ok",
     44                                 kyc_ok),
     45     GNUNET_PQ_result_spec_bool ("no_access_token",
     46                                 no_access_token),
     47     GNUNET_PQ_result_spec_allow_null (
     48       TALER_PQ_result_spec_json ("jaccount_limits",
     49                                  jlimits),
     50       NULL),
     51     GNUNET_PQ_result_spec_end
     52   };
     53 
     54   GNUNET_assert (NULL != pg->current_merchant_id);
     55   GNUNET_assert (0 == strcmp (instance_id,
     56                               pg->current_merchant_id));
     57   check_connection (pg);
     58   TMH_PQ_prepare_anon (pg,
     59                        "SELECT"
     60                        " mk.kyc_ok"
     61                        ",mk.jaccount_limits::TEXT"
     62                        ",mk.access_token IS NULL AS no_access_token"
     63                        " FROM merchant_kyc mk"
     64                        " WHERE mk.exchange_url=$2"
     65                        "   AND mk.account_serial="
     66                        "   (SELECT account_serial"
     67                        "      FROM merchant_accounts"
     68                        "     WHERE payto_uri=$1);");
     69   *jlimits = NULL;
     70   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     71                                                    "",
     72                                                    params,
     73                                                    rs);
     74 }