LCOV - code coverage report
Current view: top level - exchangedb - pg_select_withdrawals_above_serial_id.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 36 47 76.6 %
Date: 2025-06-05 21:03:14 Functions: 2 2 100.0 %

          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_select_withdrawals_above_serial_id.c
      18             :  * @brief Implementation of the select_withdrawals_above_serial_id function for Postgres
      19             :  * @author Christian Grothoff
      20             :  * @author Özgür Kesim
      21             :  */
      22             : #include "platform.h"
      23             : #include "taler_error_codes.h"
      24             : #include "taler_dbevents.h"
      25             : #include "taler_pq_lib.h"
      26             : #include "pg_select_withdrawals_above_serial_id.h"
      27             : #include "pg_helper.h"
      28             : 
      29             : /**
      30             :  * Closure for #withdraw_serial_helper_cb().
      31             :  */
      32             : struct WithdrawSerialContext
      33             : {
      34             : 
      35             :   /**
      36             :    * Callback to call.
      37             :    */
      38             :   TALER_EXCHANGEDB_WithdrawCallback cb;
      39             : 
      40             :   /**
      41             :    * Closure for @e cb.
      42             :    */
      43             :   void *cb_cls;
      44             : 
      45             :   /**
      46             :    * Plugin context.
      47             :    */
      48             :   struct PostgresClosure *pg;
      49             : 
      50             :   /**
      51             :    * Status code, set to #GNUNET_SYSERR on hard errors.
      52             :    */
      53             :   enum GNUNET_GenericReturnValue status;
      54             : };
      55             : 
      56             : 
      57             : /**
      58             :  * Helper function to be called with the results of a SELECT statement
      59             :  * that has returned @a num_results results.
      60             :  *
      61             :  * @param cls closure of type `struct WithdrawSerialContext`
      62             :  * @param result the postgres result
      63             :  * @param num_results the number of results in @a result
      64             :  */
      65             : static void
      66         148 : withdraw_serial_helper_cb (void *cls,
      67             :                            PGresult *result,
      68             :                            unsigned int num_results)
      69             : {
      70         148 :   struct WithdrawSerialContext *rosc = cls;
      71         148 :   struct PostgresClosure *pg = rosc->pg;
      72             : 
      73         280 :   for (unsigned int i = 0; i<num_results; i++)
      74             :   {
      75             :     uint64_t rowid;
      76             :     struct TALER_HashBlindedPlanchetsP h_planchets;
      77             :     struct GNUNET_TIME_Timestamp execution_date;
      78             :     struct TALER_Amount amount_with_fee;
      79             :     struct TALER_ReservePublicKeyP reserve_pub;
      80             :     struct TALER_ReserveSignatureP reserve_sig;
      81             :     uint16_t max_age;
      82             :     bool no_max_age;
      83             :     uint16_t noreveal_index;
      84             :     bool no_noreveal_index;
      85             :     struct TALER_HashBlindedPlanchetsP selected_h;
      86             :     bool no_selected_h;
      87             :     struct TALER_BlindingMasterSeedP blinding_seed;
      88             :     bool no_blinding_seed;
      89             :     size_t num_denom_serials;
      90         132 :     uint64_t *denom_serials = NULL;
      91         132 :     struct GNUNET_PQ_ResultSpec rs[] = {
      92         132 :       GNUNET_PQ_result_spec_uint64 ("withdraw_id",
      93             :                                     &rowid),
      94         132 :       GNUNET_PQ_result_spec_auto_from_type ("planchets_h",
      95             :                                             &h_planchets),
      96         132 :       GNUNET_PQ_result_spec_timestamp ("execution_date",
      97             :                                        &execution_date),
      98         132 :       TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
      99             :                                    &amount_with_fee),
     100         132 :       GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
     101             :                                             &reserve_pub),
     102         132 :       GNUNET_PQ_result_spec_auto_from_type ("reserve_sig",
     103             :                                             &reserve_sig),
     104         132 :       GNUNET_PQ_result_spec_allow_null (
     105             :         GNUNET_PQ_result_spec_uint16 ("max_age",
     106             :                                       &max_age),
     107             :         &no_max_age),
     108         132 :       GNUNET_PQ_result_spec_allow_null (
     109             :         GNUNET_PQ_result_spec_uint16 ("noreveal_index",
     110             :                                       &noreveal_index),
     111             :         &no_noreveal_index),
     112         132 :       GNUNET_PQ_result_spec_allow_null (
     113             :         GNUNET_PQ_result_spec_auto_from_type (
     114             :           "selected_h",
     115             :           &selected_h),
     116             :         &no_selected_h),
     117         132 :       GNUNET_PQ_result_spec_allow_null (
     118             :         GNUNET_PQ_result_spec_auto_from_type (
     119             :           "blinding_seed",
     120             :           &blinding_seed),
     121             :         &no_blinding_seed),
     122         132 :       GNUNET_PQ_result_spec_array_uint64 (
     123             :         pg->conn,
     124             :         "denom_serials",
     125             :         &num_denom_serials,
     126             :         &denom_serials),
     127             :       GNUNET_PQ_result_spec_end
     128             :     };
     129             :     enum GNUNET_GenericReturnValue ret;
     130             : 
     131         132 :     if (GNUNET_OK !=
     132         132 :         GNUNET_PQ_extract_result (result,
     133             :                                   rs,
     134             :                                   i))
     135             :     {
     136           0 :       GNUNET_break (0);
     137           0 :       rosc->status = GNUNET_SYSERR;
     138           0 :       GNUNET_PQ_cleanup_result (rs);
     139           0 :       return;
     140             :     }
     141         132 :     if ((! no_max_age) &&
     142           0 :         ((255 <= noreveal_index) || (255 <= max_age)))
     143             :     {
     144           0 :       GNUNET_break (0);
     145           0 :       rosc->status = GNUNET_SYSERR;
     146           0 :       GNUNET_PQ_cleanup_result (rs);
     147           0 :       return;
     148             :     }
     149         132 :     ret = rosc->cb (rosc->cb_cls,
     150             :                     rowid,
     151             :                     num_denom_serials,
     152             :                     denom_serials,
     153             :                     no_selected_h ? NULL : &selected_h,
     154             :                     &h_planchets,
     155             :                     no_blinding_seed ? NULL : &blinding_seed,
     156         132 :                     ! no_max_age,
     157         132 :                     (uint8_t) max_age,
     158         132 :                     (uint8_t) noreveal_index,
     159             :                     &reserve_pub,
     160             :                     &reserve_sig,
     161             :                     execution_date,
     162         132 :                     &amount_with_fee);
     163         132 :     GNUNET_PQ_cleanup_result (rs);
     164         132 :     if (GNUNET_OK != ret)
     165           0 :       break;
     166             :   }
     167             : }
     168             : 
     169             : 
     170             : enum GNUNET_DB_QueryStatus
     171         148 : TEH_PG_select_withdrawals_above_serial_id (
     172             :   void *cls,
     173             :   uint64_t serial_id,
     174             :   TALER_EXCHANGEDB_WithdrawCallback cb,
     175             :   void *cb_cls)
     176             : {
     177         148 :   struct PostgresClosure *pg = cls;
     178         148 :   struct GNUNET_PQ_QueryParam params[] = {
     179         148 :     GNUNET_PQ_query_param_uint64 (&serial_id),
     180             :     GNUNET_PQ_query_param_end
     181             :   };
     182         148 :   struct WithdrawSerialContext rosc = {
     183             :     .cb = cb,
     184             :     .cb_cls = cb_cls,
     185             :     .pg = pg,
     186             :     .status = GNUNET_OK
     187             :   };
     188             :   enum GNUNET_DB_QueryStatus qs;
     189             : 
     190             :   /* Fetch deposits with rowid '\geq' the given parameter */
     191         148 :   PREPARE (pg,
     192             :            "audit_get_withdraw_incr",
     193             :            "SELECT"
     194             :            " withdraw_id"
     195             :            ",planchets_h"
     196             :            ",execution_date"
     197             :            ",amount_with_fee"
     198             :            ",reserve_pub"
     199             :            ",reserve_sig"
     200             :            ",max_age"
     201             :            ",noreveal_index"
     202             :            ",selected_h"
     203             :            ",blinding_seed"
     204             :            ",denom_serials"
     205             :            " FROM withdraw"
     206             :            " WHERE withdraw_id>=$1"
     207             :            " ORDER BY withdraw_id ASC;");
     208         148 :   qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn,
     209             :                                              "audit_get_withdraw_incr",
     210             :                                              params,
     211             :                                              &withdraw_serial_helper_cb,
     212             :                                              &rosc);
     213         148 :   if (GNUNET_OK != rosc.status)
     214           0 :     return GNUNET_DB_STATUS_HARD_ERROR;
     215         148 :   return qs;
     216             : }

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