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Base system with REST service to issue digital coins, run by the payment service provider
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select_account_merges_above_serial_id.h (3773B)


      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 select_account_merges_above_serial_id.h
     18  * @brief implementation of the select_account_merges_above_serial_id function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #ifndef EXCHANGE_DATABASE_SELECT_ACCOUNT_MERGES_ABOVE_SERIAL_ID_H
     22 #define EXCHANGE_DATABASE_SELECT_ACCOUNT_MERGES_ABOVE_SERIAL_ID_H
     23 
     24 #include "taler/taler_util.h"
     25 #include "taler/taler_json_lib.h"
     26 #include "exchangedb_lib.h"
     27 
     28 /**
     29  * Function called with details about
     30  * account merge requests that have been made, with
     31  * the goal of auditing the account merge execution.
     32  *
     33  * @param cls closure
     34  * @param rowid unique serial ID for the deposit in our DB
     35  * @param reserve_pub reserve affected by the merge
     36  * @param purse_pub purse being merged
     37  * @param h_contract_terms hash over contract of the purse
     38  * @param purse_expiration when would the purse expire
     39  * @param amount total amount in the purse
     40  * @param min_age minimum age of all coins deposited into the purse
     41  * @param flags how was the purse created
     42  * @param purse_fee if a purse fee was paid, how high is it
     43  * @param merge_timestamp when was the merge approved
     44  * @param reserve_sig signature by reserve approving the merge
     45  * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
     46  */
     47 #ifndef TALER_EXCHANGEDB_ACCOUNT_MERGE_RESULT_CLOSURE
     48 /**
     49  * Type of the closure for #TALER_EXCHANGEDB_AccountMergeCallback.
     50  */
     51 #define TALER_EXCHANGEDB_ACCOUNT_MERGE_RESULT_CLOSURE void
     52 #endif
     53 typedef enum GNUNET_GenericReturnValue
     54 (*TALER_EXCHANGEDB_AccountMergeCallback)(
     55   TALER_EXCHANGEDB_ACCOUNT_MERGE_RESULT_CLOSURE *cls,
     56   uint64_t rowid,
     57   const struct TALER_ReservePublicKeyP *reserve_pub,
     58   const struct TALER_PurseContractPublicKeyP *purse_pub,
     59   const struct TALER_PrivateContractHashP *h_contract_terms,
     60   struct GNUNET_TIME_Timestamp purse_expiration,
     61   const struct TALER_Amount *amount,
     62   uint32_t min_age,
     63   enum TALER_WalletAccountMergeFlags flags,
     64   const struct TALER_Amount *purse_fee,
     65   struct GNUNET_TIME_Timestamp merge_timestamp,
     66   const struct TALER_ReserveSignatureP *reserve_sig);
     67 
     68 /**
     69  * Select account merges above @a serial_id in monotonically increasing
     70  * order.
     71  *
     72  * @param pg the database context
     73  * @param serial_id highest serial ID to exclude (select strictly larger)
     74  * @param cb function to call on each result
     75  * @param cb_cls closure for @a cb
     76  * @return transaction status code
     77  */
     78 enum GNUNET_DB_QueryStatus
     79 TALER_EXCHANGEDB_select_account_merges_above_serial_id (struct
     80                                                         TALER_EXCHANGEDB_PostgresContext
     81                                                         *
     82                                                         pg,
     83                                                         uint64_t serial_id,
     84                                                         TALER_EXCHANGEDB_AccountMergeCallback
     85                                                         cb,
     86                                                         TALER_EXCHANGEDB_ACCOUNT_MERGE_RESULT_CLOSURE
     87                                                         *cb_cls);
     88 
     89 #endif