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/insert_purse_request.c
      18              :  * @brief Implementation of the insert_purse_request function for Postgres
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "taler/taler_pq_lib.h"
      22              : #include "exchange-database/insert_purse_request.h"
      23              : #include "exchange-database/get_purse_request.h"
      24              : #include "helper.h"
      25              : 
      26              : 
      27              : enum GNUNET_DB_QueryStatus
      28           24 : TALER_EXCHANGEDB_insert_purse_request (
      29              :   struct TALER_EXCHANGEDB_PostgresContext *pg,
      30              :   const struct TALER_PurseContractPublicKeyP *purse_pub,
      31              :   const struct TALER_PurseMergePublicKeyP *merge_pub,
      32              :   struct GNUNET_TIME_Timestamp purse_expiration,
      33              :   const struct TALER_PrivateContractHashP *h_contract_terms,
      34              :   uint32_t age_limit,
      35              :   enum TALER_WalletAccountMergeFlags flags,
      36              :   const struct TALER_Amount *purse_fee,
      37              :   const struct TALER_Amount *amount,
      38              :   const struct TALER_PurseContractSignatureP *purse_sig,
      39              :   bool *in_conflict)
      40              : {
      41              :   enum GNUNET_DB_QueryStatus qs;
      42           24 :   struct GNUNET_TIME_Timestamp now = GNUNET_TIME_timestamp_get ();
      43           24 :   uint32_t flags32 = (uint32_t) flags;
      44           24 :   bool in_reserve_quota = (TALER_WAMF_MODE_CREATE_FROM_PURSE_QUOTA
      45           24 :                            == (flags & TALER_WAMF_MERGE_MODE_MASK));
      46           24 :   struct GNUNET_PQ_QueryParam params[] = {
      47           24 :     GNUNET_PQ_query_param_auto_from_type (purse_pub),
      48           24 :     GNUNET_PQ_query_param_auto_from_type (merge_pub),
      49           24 :     GNUNET_PQ_query_param_timestamp (&now),
      50           24 :     GNUNET_PQ_query_param_timestamp (&purse_expiration),
      51           24 :     GNUNET_PQ_query_param_auto_from_type (h_contract_terms),
      52           24 :     GNUNET_PQ_query_param_uint32 (&age_limit),
      53           24 :     GNUNET_PQ_query_param_uint32 (&flags32),
      54           24 :     GNUNET_PQ_query_param_bool (in_reserve_quota),
      55           24 :     TALER_PQ_query_param_amount (pg->conn,
      56              :                                  amount),
      57           24 :     TALER_PQ_query_param_amount (pg->conn,
      58              :                                  purse_fee),
      59           24 :     GNUNET_PQ_query_param_auto_from_type (purse_sig),
      60              :     GNUNET_PQ_query_param_end
      61              :   };
      62              : 
      63           24 :   *in_conflict = false;
      64           24 :   PREPARE (pg,
      65              :            "insert_purse_request",
      66              :            "INSERT INTO purse_requests"
      67              :            "  (purse_pub"
      68              :            "  ,merge_pub"
      69              :            "  ,purse_creation"
      70              :            "  ,purse_expiration"
      71              :            "  ,h_contract_terms"
      72              :            "  ,age_limit"
      73              :            "  ,flags"
      74              :            "  ,in_reserve_quota"
      75              :            "  ,amount_with_fee"
      76              :            "  ,purse_fee"
      77              :            "  ,purse_sig"
      78              :            "  ) VALUES "
      79              :            "  ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)"
      80              :            "  ON CONFLICT DO NOTHING;");
      81           24 :   qs = GNUNET_PQ_eval_prepared_non_select (pg->conn,
      82              :                                            "insert_purse_request",
      83              :                                            params);
      84           24 :   if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != qs)
      85           24 :     return qs;
      86              :   {
      87              :     struct TALER_PurseMergePublicKeyP merge_pub2;
      88              :     struct GNUNET_TIME_Timestamp purse_expiration2;
      89              :     struct TALER_PrivateContractHashP h_contract_terms2;
      90              :     uint32_t age_limit2;
      91              :     struct TALER_Amount amount2;
      92              :     struct TALER_Amount balance;
      93              :     struct TALER_PurseContractSignatureP purse_sig2;
      94              : 
      95            0 :     qs = TALER_EXCHANGEDB_get_purse_request (pg,
      96              :                                              purse_pub,
      97              :                                              &merge_pub2,
      98              :                                              &purse_expiration2,
      99              :                                              &h_contract_terms2,
     100              :                                              &age_limit2,
     101              :                                              &amount2,
     102              :                                              &balance,
     103              :                                              &purse_sig2);
     104            0 :     if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs)
     105              :     {
     106            0 :       GNUNET_break (0);
     107            0 :       return GNUNET_DB_STATUS_HARD_ERROR;
     108              :     }
     109            0 :     if ( (age_limit2 == age_limit) &&
     110            0 :          (0 == TALER_amount_cmp (amount,
     111            0 :                                  &amount2)) &&
     112            0 :          (0 == GNUNET_memcmp (&h_contract_terms2,
     113            0 :                               h_contract_terms)) &&
     114            0 :          (0 == GNUNET_memcmp (&merge_pub2,
     115              :                               merge_pub)) )
     116              :     {
     117            0 :       return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
     118              :     }
     119            0 :     *in_conflict = true;
     120            0 :     return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
     121              :   }
     122              : }