/*
   This file is part of TALER
   Copyright (C) 2022 Taler Systems SA

   TALER is free software; you can redistribute it and/or modify it under the
   terms of the GNU General Public License as published by the Free Software
   Foundation; either version 3, or (at your option) any later version.

   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

   You should have received a copy of the GNU General Public License along with
   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */
/**
 * @file iterate_all_purse_decisions_above_serial_id.h
 * @brief implementation of the iterate_all_purse_decisions_above_serial_id function for Postgres
 * @author Christian Grothoff
 */
#ifndef EXCHANGE_DATABASE_ITERATE_ALL_PURSE_DECISIONS_ABOVE_SERIAL_ID_H
#define EXCHANGE_DATABASE_ITERATE_ALL_PURSE_DECISIONS_ABOVE_SERIAL_ID_H

#include "taler/taler_util.h"
#include "taler/taler_json_lib.h"
#include "exchangedb_lib.h"


/**
 * Function called with details about purse decisions that have been made, with
 * the goal of auditing the purse's execution.
 *
 * @param cls closure
 * @param rowid unique serial ID for the deposit in our DB
 * @param purse_pub public key of the purse
 * @param refunded true if decision was to refund
 * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
 */
#ifndef TALER_EXCHANGEDB_ALL_PURSE_DECISION_RESULT_CLOSURE
/**
 * Type of the closure for #TALER_EXCHANGEDB_AllPurseDecisionCallback.
 */
#define TALER_EXCHANGEDB_ALL_PURSE_DECISION_RESULT_CLOSURE void
#endif
typedef enum GNUNET_GenericReturnValue
(*TALER_EXCHANGEDB_AllPurseDecisionCallback)(
  TALER_EXCHANGEDB_ALL_PURSE_DECISION_RESULT_CLOSURE *cls,
  uint64_t rowid,
  const struct TALER_PurseContractPublicKeyP *purse_pub,
  bool refunded);


/* Callback typedefs */
/**
 * Function called with details about purse decisions that have been made, with
 * the goal of auditing the purse's execution.
 *
 * @param cls closure
 * @param rowid unique serial ID for the deposit in our DB
 * @param purse_pub public key of the purse
 * @param refunded true if decision was to refund
 * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
 */
typedef enum GNUNET_GenericReturnValue
(*TALER_EXCHANGEDB_AllPurseDecisionCallback)(
  TALER_EXCHANGEDB_ALL_PURSE_DECISION_RESULT_CLOSURE *cls,
  uint64_t rowid,
  const struct TALER_PurseContractPublicKeyP *purse_pub,
  bool refunded);

/**
 * Select purse decisions above @a serial_id in monotonically increasing
 * order.
 *
 * @param pg the database context
 * @param serial_id highest serial ID to exclude (select strictly larger)
 * @param cb function to call on each result
 * @param cb_cls closure for @a cb
 * @return transaction status code
 */
enum GNUNET_DB_QueryStatus
TALER_EXCHANGEDB_iterate_all_purse_decisions_above_serial_id (struct
                                                              TALER_EXCHANGEDB_PostgresContext
                                                              *pg,
                                                              uint64_t serial_id
                                                              ,
                                                              TALER_EXCHANGEDB_AllPurseDecisionCallback
                                                              cb,
                                                              TALER_EXCHANGEDB_ALL_PURSE_DECISION_RESULT_CLOSURE
                                                              *cb_cls);


#endif
