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             : }