exchange

Base system with REST service to issue digital coins, run by the payment service provider
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do_recoup_refresh.h (3022B)

      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 src/include/exchange-database/do_recoup_refresh.h
     18  * @brief implementation of the do_recoup_refresh function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #ifndef EXCHANGE_DATABASE_DO_RECOUP_REFRESH_H
     22 #define EXCHANGE_DATABASE_DO_RECOUP_REFRESH_H
     23 
     24 #include "taler/taler_util.h"
     25 #include "exchangedb_lib.h"
     26 
     27 
     28 /**
     29  * Perform recoup-refresh operation, checking for sufficient deposits of the
     30  * coin and possibly persisting the recoup-refresh details.
     31  *
     32  * @param pg the database context
     33  * @param old_coin_pub public key of the old coin to credit
     34  * @param rrc_serial row in the refresh_revealed_coins table justifying the recoup-refresh
     35  * @param coin_bks coin blinding key secret to persist
     36  * @param coin_pub public key of the coin being recouped
     37  * @param known_coin_id row of the @a coin_pub in the known_coins table
     38  * @param coin_sig signature of the coin requesting the recoup
     39  * @param[in,out] recoup_timestamp recoup timestamp, set if recoup existed
     40  * @param[out] recoup_ok  set if the recoup-refresh succeeded (balance ok)
     41  * @param[out] internal_failure set on internal failures
     42  * @return query execution status
     43  */
     44 enum GNUNET_DB_QueryStatus
     45 TALER_TALER_EXCHANGEDB_do_recoup_refresh (struct
     46                                           TALER_EXCHANGEDB_PostgresContext *pg,
     47                                           const struct
     48                                           TALER_CoinSpendPublicKeyP *
     49                                           old_coin_pub,
     50                                           uint64_t rrc_serial,
     51                                           const union
     52                                           GNUNET_CRYPTO_BlindingSecretP *
     53                                           coin_bks,
     54                                           const struct
     55                                           TALER_CoinSpendPublicKeyP *coin_pub,
     56                                           uint64_t known_coin_id,
     57                                           const struct
     58                                           TALER_CoinSpendSignatureP *coin_sig,
     59                                           struct GNUNET_TIME_Timestamp *
     60                                           recoup_timestamp,
     61                                           bool *recoup_ok,
     62                                           bool *internal_failure);
     63 
     64 #endif