exchange

Base system with REST service to issue digital coins, run by the payment service provider
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get_coin_denomination.h (1863B)


      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/get_coin_denomination.h
     18  * @brief implementation of the get_coin_denomination function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #ifndef EXCHANGE_DATABASE_GET_COIN_DENOMINATION_H
     22 #define EXCHANGE_DATABASE_GET_COIN_DENOMINATION_H
     23 
     24 #include "taler/taler_json_lib.h"
     25 #include "exchangedb_lib.h"
     26 
     27 /**
     28  * Retrieve the denomination of a known coin.
     29  *
     30  * @param pg the database context
     31  * @param coin_pub the public key of the coin to search for
     32  * @param[out] known_coin_id set to the ID of the coin in the known_coins table
     33  * @param[out] denom_hash where to store the hash of the coins denomination
     34  * @return transaction status code
     35  */
     36 enum GNUNET_DB_QueryStatus
     37 TALER_EXCHANGEDB_get_coin_denomination (struct
     38                                         TALER_EXCHANGEDB_PostgresContext *pg,
     39                                         const struct TALER_CoinSpendPublicKeyP *
     40                                         coin_pub,
     41                                         uint64_t *known_coin_id,
     42                                         struct TALER_DenominationHashP *
     43                                         denom_hash);
     44 
     45 #endif