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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_get_global_fee.h
+ * @brief implementation of the get_global_fee function for Postgres
+ * @author Christian Grothoff
+ */
+#ifndef PG_GET_GLOBAL_FEE_H
+#define PG_GET_GLOBAL_FEE_H
+
+#include "taler_util.h"
+#include "taler_json_lib.h"
+#include "taler_exchangedb_plugin.h"
+/**
+ * Obtain global fees from database.
+ *
+ * @param cls closure
+ * @param date for which date do we want the fee?
+ * @param[out] start_date when does the fee go into effect
+ * @param[out] end_date when does the fee end being valid
+ * @param[out] fees how high are the wire fees
+ * @param[out] purse_timeout set to how long we keep unmerged purses
+ * @param[out] history_expiration set to how long we keep account histories
+ * @param[out] purse_account_limit set to the number of free purses per account
+ * @param[out] master_sig signature over the above by the exchange master key
+ * @return status of the transaction
+ */
+enum GNUNET_DB_QueryStatus
+TEH_PG_get_global_fee (void *cls,
+ struct GNUNET_TIME_Timestamp date,
+ struct GNUNET_TIME_Timestamp *start_date,
+ struct GNUNET_TIME_Timestamp *end_date,
+ struct TALER_GlobalFeeSet *fees,
+ struct GNUNET_TIME_Relative *purse_timeout,
+ struct GNUNET_TIME_Relative *history_expiration,
+ uint32_t *purse_account_limit,
+ struct TALER_MasterSignatureP *master_sig);
+
+#endif