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diff --git a/src/backend/taler-merchant-httpd_reserves_get.h b/src/backend/taler-merchant-httpd_reserves_get.h
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-/*
- This file is part of TALER
- (C) 2018--2019 Taler Systems SA
-
- TALER is free software; you can redistribute it and/or modify it under the
- terms of the GNU Affero 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 backend/taler-merchant-httpd_tip-reserve-helper.h
- * @brief helper functions to check the status of a tipping reserve
- * @author Christian Grothoff
- */
-#ifndef TALER_MERCHANT_HTTPD_TIP_RESERVE_HELPER_H
-#define TALER_MERCHANT_HTTPD_TIP_RESERVE_HELPER_H
-#include <jansson.h>
-#include <taler/taler_util.h>
-#include <taler/taler_json_lib.h>
-#include "taler-merchant-httpd.h"
-#include "taler-merchant-httpd_mhd.h"
-#include "taler-merchant-httpd_exchanges.h"
-#include "taler-merchant-httpd_tip-reserve-helper.h"
-
-
-/**
- * Context with input, output and internal state for
- * #TMH_check_tip_reserve() and #TMH_check_tip_reserve_cleanup().
- */
-struct TMH_CheckTipReserve
-{
- /**
- * Input: MHD connection we should resume when finished
- */
- struct MHD_Connection *connection;
-
- /**
- * Input: private key of the reserve.
- */
- struct TALER_ReservePrivateKeyP reserve_priv;
-
- /**
- * Output: Set to delay after which the reserve will expire if idle.
- */
- struct GNUNET_TIME_Relative idle_reserve_expiration_time;
-
- /**
- * Internal: exchange find operation.
- */
- struct TMH_EXCHANGES_FindOperation *fo;
-
- /**
- * Internal: reserve status operation.
- */
- struct TALER_EXCHANGE_ReservesGetHandle *rsh;
-
- /**
- * Internal: DLL for resumption on shutdown.
- */
- struct TMH_CheckTipReserve *next;
-
- /**
- * Internal: DLL for resumption on shutdown.
- */
- struct TMH_CheckTipReserve *prev;
-
- /**
- * Output: response object to return (on error only)
- */
- struct MHD_Response *response;
-
- /**
- * Output: Total amount deposited into the reserve.
- */
- struct TALER_Amount amount_deposited;
-
- /**
- * Output: total tip amount requested.
- */
- struct TALER_Amount amount_withdrawn;
-
- /**
- * Input: total amount authorized.
- */
- struct TALER_Amount amount_authorized;
-
- /**
- * Output: set to the time when the reserve will expire
- */
- struct GNUNET_TIME_Absolute reserve_expiration;
-
- /**
- * Output: HTTP status code to return (on error only)
- */
- unsigned int response_code;
-
- /**
- * Input: Set to #GNUNET_NO if no tips were authorized yet.
- * Used to know that @e amount_authorized is not yet initialized
- * and in that case the helper will set it to zero (once we know
- * the currency).
- */
- int none_authorized;
-
- /**
- * Internal: Is the @e connection currently suspended?
- * #GNUNET_NO if the @e connection was not suspended,
- * #GNUNET_YES if the @e connection was suspended,
- * #GNUNET_SYSERR if @e connection was resumed to as
- * part of #MH_force_pc_resume during shutdown.
- */
- int suspended;
-
-};
-
-
-/**
- * Check the status of the given reserve at the given exchange.
- * Suspends the MHD connection while this is happening and resumes
- * processing once we know the reserve status (or once an error
- * code has been determined).
- *
- * @param[in,out] ctr context for checking the reserve status
- * @param tip_exchange the URL of the exchange to query
- */
-void
-TMH_check_tip_reserve (struct TMH_CheckTipReserve *ctr,
- const char *tip_exchange);
-
-
-/**
- * Clean up any state that might be left in @a ctr.
- *
- * @param[in] context to clean up
- */
-void
-TMH_check_tip_reserve_cleanup (struct TMH_CheckTipReserve *ctr);
-
-/**
- * Force all tip reserve helper contexts to be resumed as we are about to shut
- * down MHD.
- */
-void
-MH_force_trh_resume (void);
-
-
-#endif