merchant

Merchant backend to process payments, run by merchants
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pg_update_otp.c (2346B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2022 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 backenddb/pg_update_otp.c
     18  * @brief Implementation of the update_otp function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #include "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_update_otp.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TMH_PG_update_otp (void *cls,
     31                    const char *instance_id,
     32                    const char *otp_id,
     33                    const struct TALER_MERCHANTDB_OtpDeviceDetails *td)
     34 {
     35   struct PostgresClosure *pg = cls;
     36   uint32_t pos32 = (uint32_t) td->otp_algorithm;
     37   struct GNUNET_PQ_QueryParam params[] = {
     38     GNUNET_PQ_query_param_string (instance_id),
     39     GNUNET_PQ_query_param_string (otp_id),
     40     GNUNET_PQ_query_param_string (td->otp_description),
     41     GNUNET_PQ_query_param_uint32 (&pos32),
     42     GNUNET_PQ_query_param_uint64 (&td->otp_ctr),
     43     (NULL == td->otp_key)
     44     ? GNUNET_PQ_query_param_null ()
     45     : GNUNET_PQ_query_param_string (td->otp_key),
     46     GNUNET_PQ_query_param_end
     47   };
     48 
     49   check_connection (pg);
     50   PREPARE (pg,
     51            "update_otp",
     52            "UPDATE merchant_otp_devices SET"
     53            " otp_description=$3"
     54            ",otp_algorithm=$4"
     55            ",otp_ctr=$5"
     56            ",otp_key=COALESCE($6,otp_key)"
     57            " WHERE merchant_serial="
     58            "   (SELECT merchant_serial"
     59            "      FROM merchant_instances"
     60            "      WHERE merchant_id=$1)"
     61            "   AND otp_id=$2");
     62   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
     63                                              "update_otp",
     64                                              params);
     65 }