Line data    Source code

       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_get_purse_deposit.c
      18              :  * @brief Implementation of the get_purse_deposit 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_get_purse_deposit.h"
      26              : #include "pg_helper.h"
      27              : 
      28              : enum GNUNET_DB_QueryStatus
      29            0 : TEH_PG_get_purse_deposit (
      30              :   void *cls,
      31              :   const struct TALER_PurseContractPublicKeyP *purse_pub,
      32              :   const struct TALER_CoinSpendPublicKeyP *coin_pub,
      33              :   struct TALER_Amount *amount,
      34              :   struct TALER_DenominationHashP *h_denom_pub,
      35              :   struct TALER_AgeCommitmentHashP *phac,
      36              :   struct TALER_CoinSpendSignatureP *coin_sig,
      37              :   char **partner_url)
      38              : {
      39            0 :   struct PostgresClosure *pg = cls;
      40            0 :   struct GNUNET_PQ_QueryParam params[] = {
      41            0 :     GNUNET_PQ_query_param_auto_from_type (purse_pub),
      42            0 :     GNUNET_PQ_query_param_auto_from_type (coin_pub),
      43              :     GNUNET_PQ_query_param_end
      44              :   };
      45              :   bool is_null;
      46            0 :   struct GNUNET_PQ_ResultSpec rs[] = {
      47            0 :     GNUNET_PQ_result_spec_auto_from_type ("denom_pub_hash",
      48              :                                           h_denom_pub),
      49            0 :     GNUNET_PQ_result_spec_auto_from_type ("age_commitment_hash",
      50              :                                           phac),
      51            0 :     GNUNET_PQ_result_spec_auto_from_type ("coin_sig",
      52              :                                           coin_sig),
      53            0 :     TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
      54              :                                  amount),
      55            0 :     GNUNET_PQ_result_spec_allow_null (
      56              :       GNUNET_PQ_result_spec_string ("partner_base_url",
      57              :                                     partner_url),
      58              :       &is_null),
      59              :     GNUNET_PQ_result_spec_end
      60              :   };
      61              : 
      62            0 :   *partner_url = NULL;
      63            0 :   PREPARE (pg,
      64              :            "select_purse_deposit_by_coin_pub",
      65              :            "SELECT "
      66              :            " coin_sig"
      67              :            ",amount_with_fee"
      68              :            ",denom_pub_hash"
      69              :            ",age_commitment_hash"
      70              :            ",partner_base_url"
      71              :            " FROM purse_deposits"
      72              :            " LEFT JOIN partners"
      73              :            "   USING (partner_serial_id)"
      74              :            " JOIN known_coins kc"
      75              :            "   USING (coin_pub)"
      76              :            " JOIN denominations"
      77              :            "   USING (denominations_serial)"
      78              :            " WHERE purse_pub=$1"
      79              :            "   AND coin_pub=$2;");
      80            0 :   return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
      81              :                                                    "select_purse_deposit_by_coin_pub",
      82              :                                                    params,
      83              :                                                    rs);
      84              : }