exchange

Base system with REST service to issue digital coins, run by the payment service provider
Log | Files | Refs | Submodules | README | LICENSE

pg_set_purse_balance.c (1785B)

      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 exchangedb/pg_set_purse_balance.c
     18  * @brief Implementation of the set_purse_balance 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_set_purse_balance.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TEH_PG_set_purse_balance (
     31   void *cls,
     32   const struct TALER_PurseContractPublicKeyP *purse_pub,
     33   const struct TALER_Amount *balance)
     34 {
     35   struct PostgresClosure *pg = cls;
     36   struct GNUNET_PQ_QueryParam params[] = {
     37     GNUNET_PQ_query_param_auto_from_type (purse_pub),
     38     TALER_PQ_query_param_amount (pg->conn,
     39                                  balance),
     40     GNUNET_PQ_query_param_end
     41   };
     42 
     43   PREPARE (pg,
     44            "set_purse_balance",
     45            "UPDATE purse_requests"
     46            " SET balance=$2"
     47            " WHERE purse_pub=$1;");
     48 
     49   return GNUNET_PQ_eval_prepared_non_select (pg->conn,
     50                                              "set_purse_balance",
     51                                              params);
     52 }