exchange

Base system with REST service to issue digital coins, run by the payment service provider
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pg_insert_reserve_open_deposit.c (2560B)

      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 pg_insert_reserve_open_deposit.c
     18  * @brief Low-level (statement-level) Postgres database access for the exchange
     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_insert_reserve_open_deposit.h"
     26 #include "pg_helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 TEH_PG_insert_reserve_open_deposit (
     31   void *cls,
     32   const struct TALER_CoinPublicInfo *cpi,
     33   const struct TALER_CoinSpendSignatureP *coin_sig,
     34   uint64_t known_coin_id,
     35   const struct TALER_Amount *coin_total,
     36   const struct TALER_ReserveSignatureP *reserve_sig,
     37   const struct TALER_ReservePublicKeyP *reserve_pub,
     38   bool *insufficient_funds)
     39 {
     40   struct PostgresClosure *pg = cls;
     41   struct GNUNET_PQ_QueryParam params[] = {
     42     GNUNET_PQ_query_param_auto_from_type (&cpi->coin_pub),
     43     GNUNET_PQ_query_param_uint64 (&known_coin_id),
     44     GNUNET_PQ_query_param_auto_from_type (coin_sig),
     45     GNUNET_PQ_query_param_auto_from_type (reserve_sig),
     46     GNUNET_PQ_query_param_auto_from_type (reserve_pub),
     47     TALER_PQ_query_param_amount (pg->conn,
     48                                  coin_total),
     49     GNUNET_PQ_query_param_end
     50   };
     51   struct GNUNET_PQ_ResultSpec rs[] = {
     52     GNUNET_PQ_result_spec_bool ("out_insufficient_funds",
     53                                 insufficient_funds),
     54     GNUNET_PQ_result_spec_end
     55   };
     56 
     57   PREPARE (pg,
     58            "insert_reserve_open_deposit",
     59            "SELECT "
     60            " out_insufficient_funds"
     61            " FROM exchange_do_reserve_open_deposit"
     62            " ($1,$2,$3,$4,$5,$6);");
     63   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     64                                                    "insert_reserve_open_deposit",
     65                                                    params,
     66                                                    rs);
     67 }