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/*
   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 exchangedb/pg_iterate_denominations.h
 * @brief implementation of the iterate_denominations function for Postgres
 * @author Christian Grothoff
 */
#ifndef PG_ITERATE_DENOMINATIONS_H
#define PG_ITERATE_DENOMINATIONS_H

#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"

/**
 * Function called to invoke @a cb on every known denomination key (revoked
 * and non-revoked) that has been signed by the master key. Runs in its own
 * read-only transaction.
 *
 *
 * @param cls the @e cls of this struct with the plugin-specific state
 * @param cb function to call on each denomination key
 * @param cb_cls closure for @a cb
 * @return transaction status code
 */
enum GNUNET_DB_QueryStatus
TEH_PG_iterate_denominations (void *cls,
                              TALER_EXCHANGEDB_DenominationsCallback cb,
                              void *cb_cls);

#endif