LCOV - code coverage report
Current view: top level - exchangedb - pg_select_coin_deposits_above_serial_id.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 36 41 87.8 %
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) 2022-2023 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_coin_deposits_above_serial_id.c
      18             :  * @brief Implementation of the select_coin_deposits_above_serial_id function for Postgres
      19             :  * @author Christian Grothoff
      20             :  */
      21             : #include "platform.h"
      22             : #include "taler_error_codes.h"
      23             : #include "taler_dbevents.h"
      24             : #include "taler_pq_lib.h"
      25             : #include "pg_select_coin_deposits_above_serial_id.h"
      26             : #include "pg_helper.h"
      27             : 
      28             : /**
      29             :  * Closure for #deposit_serial_helper_cb().
      30             :  */
      31             : struct CoinDepositSerialContext
      32             : {
      33             : 
      34             :   /**
      35             :    * Callback to call.
      36             :    */
      37             :   TALER_EXCHANGEDB_DepositCallback cb;
      38             : 
      39             :   /**
      40             :    * Closure for @e cb.
      41             :    */
      42             :   void *cb_cls;
      43             : 
      44             :   /**
      45             :    * Plugin context.
      46             :    */
      47             :   struct PostgresClosure *pg;
      48             : 
      49             :   /**
      50             :    * Status code, set to #GNUNET_SYSERR on hard errors.
      51             :    */
      52             :   enum GNUNET_GenericReturnValue status;
      53             : };
      54             : 
      55             : 
      56             : /**
      57             :  * Helper function to be called with the results of a SELECT statement
      58             :  * that has returned @a num_results results.
      59             :  *
      60             :  * @param cls closure of type `struct CoinDepositSerialContext`
      61             :  * @param result the postgres result
      62             :  * @param num_results the number of results in @a result
      63             :  */
      64             : static void
      65          74 : coin_deposit_serial_helper_cb (void *cls,
      66             :                                PGresult *result,
      67             :                                unsigned int num_results)
      68             : {
      69          74 :   struct CoinDepositSerialContext *dsc = cls;
      70          74 :   struct PostgresClosure *pg = dsc->pg;
      71             : 
      72         173 :   for (unsigned int i = 0; i<num_results; i++)
      73             :   {
      74             :     struct TALER_EXCHANGEDB_Deposit deposit;
      75             :     struct GNUNET_TIME_Timestamp exchange_timestamp;
      76             :     struct TALER_DenominationPublicKey denom_pub;
      77             :     bool done;
      78             :     uint64_t rowid;
      79          99 :     struct GNUNET_PQ_ResultSpec rs[] = {
      80          99 :       TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
      81             :                                    &deposit.amount_with_fee),
      82          99 :       GNUNET_PQ_result_spec_timestamp ("wallet_timestamp",
      83             :                                        &deposit.timestamp),
      84          99 :       GNUNET_PQ_result_spec_timestamp ("exchange_timestamp",
      85             :                                        &exchange_timestamp),
      86          99 :       GNUNET_PQ_result_spec_auto_from_type ("merchant_pub",
      87             :                                             &deposit.merchant_pub),
      88          99 :       TALER_PQ_result_spec_denom_pub ("denom_pub",
      89             :                                       &denom_pub),
      90          99 :       GNUNET_PQ_result_spec_auto_from_type ("coin_pub",
      91             :                                             &deposit.coin.coin_pub),
      92          99 :       GNUNET_PQ_result_spec_allow_null (
      93             :         GNUNET_PQ_result_spec_auto_from_type ("age_commitment_hash",
      94             :                                               &deposit.coin.h_age_commitment),
      95             :         &deposit.coin.no_age_commitment),
      96          99 :       GNUNET_PQ_result_spec_allow_null (
      97             :         GNUNET_PQ_result_spec_auto_from_type ("wallet_data_hash",
      98             :                                               &deposit.wallet_data_hash),
      99             :         &deposit.no_wallet_data_hash),
     100          99 :       GNUNET_PQ_result_spec_auto_from_type ("coin_sig",
     101             :                                             &deposit.csig),
     102          99 :       GNUNET_PQ_result_spec_timestamp ("refund_deadline",
     103             :                                        &deposit.refund_deadline),
     104          99 :       GNUNET_PQ_result_spec_timestamp ("wire_deadline",
     105             :                                        &deposit.wire_deadline),
     106          99 :       GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms",
     107             :                                             &deposit.h_contract_terms),
     108          99 :       GNUNET_PQ_result_spec_auto_from_type ("wire_salt",
     109             :                                             &deposit.wire_salt),
     110          99 :       GNUNET_PQ_result_spec_string ("receiver_wire_account",
     111             :                                     &deposit.receiver_wire_account.full_payto),
     112          99 :       GNUNET_PQ_result_spec_bool ("done",
     113             :                                   &done),
     114          99 :       GNUNET_PQ_result_spec_uint64 ("coin_deposit_serial_id",
     115             :                                     &rowid),
     116             :       GNUNET_PQ_result_spec_end
     117             :     };
     118             :     enum GNUNET_GenericReturnValue ret;
     119             : 
     120          99 :     memset (&deposit,
     121             :             0,
     122             :             sizeof (deposit));
     123          99 :     if (GNUNET_OK !=
     124          99 :         GNUNET_PQ_extract_result (result,
     125             :                                   rs,
     126             :                                   i))
     127             :     {
     128           0 :       GNUNET_break (0);
     129           0 :       dsc->status = GNUNET_SYSERR;
     130           0 :       return;
     131             :     }
     132          99 :     ret = dsc->cb (dsc->cb_cls,
     133             :                    rowid,
     134             :                    exchange_timestamp,
     135             :                    &deposit,
     136             :                    &denom_pub,
     137             :                    done);
     138          99 :     GNUNET_PQ_cleanup_result (rs);
     139          99 :     if (GNUNET_OK != ret)
     140           0 :       break;
     141             :   }
     142             : }
     143             : 
     144             : 
     145             : enum GNUNET_DB_QueryStatus
     146          74 : TEH_PG_select_coin_deposits_above_serial_id (
     147             :   void *cls,
     148             :   uint64_t serial_id,
     149             :   TALER_EXCHANGEDB_DepositCallback cb,
     150             :   void *cb_cls)
     151             : {
     152          74 :   struct PostgresClosure *pg = cls;
     153          74 :   struct GNUNET_PQ_QueryParam params[] = {
     154          74 :     GNUNET_PQ_query_param_uint64 (&serial_id),
     155             :     GNUNET_PQ_query_param_end
     156             :   };
     157          74 :   struct CoinDepositSerialContext dsc = {
     158             :     .cb = cb,
     159             :     .cb_cls = cb_cls,
     160             :     .pg = pg,
     161             :     .status = GNUNET_OK
     162             :   };
     163             :   enum GNUNET_DB_QueryStatus qs;
     164             : 
     165             :   /* Fetch deposits with rowid '\geq' the given parameter */
     166          74 :   PREPARE (pg,
     167             :            "audit_get_coin_deposits_incr",
     168             :            "SELECT"
     169             :            " cdep.amount_with_fee"
     170             :            ",bdep.wallet_timestamp"
     171             :            ",bdep.exchange_timestamp"
     172             :            ",bdep.merchant_pub"
     173             :            ",bdep.wallet_data_hash"
     174             :            ",denom.denom_pub"
     175             :            ",kc.coin_pub"
     176             :            ",kc.age_commitment_hash"
     177             :            ",cdep.coin_sig"
     178             :            ",bdep.refund_deadline"
     179             :            ",bdep.wire_deadline"
     180             :            ",bdep.h_contract_terms"
     181             :            ",bdep.wire_salt"
     182             :            ",wt.payto_uri AS receiver_wire_account"
     183             :            ",bdep.done"
     184             :            ",cdep.coin_deposit_serial_id"
     185             :            " FROM coin_deposits cdep"
     186             :            " JOIN batch_deposits bdep"
     187             :            "   USING (batch_deposit_serial_id)"
     188             :            " JOIN wire_targets wt"
     189             :            "   USING (wire_target_h_payto)"
     190             :            " JOIN known_coins kc"
     191             :            "   USING (coin_pub)"
     192             :            " JOIN denominations denom"
     193             :            "   USING (denominations_serial)"
     194             :            " WHERE (coin_deposit_serial_id>=$1)"
     195             :            " ORDER BY coin_deposit_serial_id ASC;");
     196          74 :   qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn,
     197             :                                              "audit_get_coin_deposits_incr",
     198             :                                              params,
     199             :                                              &coin_deposit_serial_helper_cb,
     200             :                                              &dsc);
     201          74 :   if (GNUNET_OK != dsc.status)
     202           0 :     return GNUNET_DB_STATUS_HARD_ERROR;
     203          74 :   return qs;
     204             : }

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