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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 backenddb/pg_delete_contract_terms.h
+ * @brief implementation of the delete_contract_terms function for Postgres
+ * @author Iván Ávalos
+ */
+#ifndef PG_DELETE_CONTRACT_TERMS_H
+#define PG_DELETE_CONTRACT_TERMS_H
+
+#include <taler/taler_util.h>
+#include <taler/taler_json_lib.h>
+#include "taler_merchantdb_plugin.h"
+
+/**
+ * Delete information about a contract. Note that the transaction must
+ * enforce that the contract is not awaiting payment anymore AND was not
+ * paid, or is past the legal expiration.
+ *
+ * @param cls closure
+ * @param instance_id instance to delete order of
+ * @param order_id order to delete
+ * @param legal_expiration how long do we need to keep (paid) contracts on
+ * file for legal reasons (i.e. taxation)
+ * @return DB status code, #GNUNET_DB_STATUS_SUCCESS_NO_RESULTS
+ * if locks prevent deletion OR order unknown
+ */
+enum GNUNET_DB_QueryStatus
+TMH_PG_delete_contract_terms (void *cls,
+ const char *instance_id,
+ const char *order_id,
+ struct GNUNET_TIME_Relative legal_expiration);
+
+#endif