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/*
This file is part of TALER
Copyright (C) 2014, 2015, 2016 GNUnet e.V.
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, If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file include/taler_json_lib.h
* @brief helper functions for JSON processing using libjansson
* @author Sree Harsha Totakura <sreeharsha@totakura.in>
* @author Christian Grothoff
*/
#ifndef TALER_JSON_LIB_H_
#define TALER_JSON_LIB_H_
#include <jansson.h>
#include <gnunet/gnunet_json_lib.h>
#include "taler_util.h"
/**
* Print JSON parsing related error information
* @deprecated
*/
#define TALER_json_warn(error) \
GNUNET_log (GNUNET_ERROR_TYPE_WARNING, \
"JSON parsing failed at %s:%u: %s (%s)\n", \
__FILE__, __LINE__, error.text, error.source)
/**
* Convert a TALER amount to a JSON object.
*
* @param amount the amount
* @return a json object describing the amount
*/
json_t *
TALER_JSON_from_amount (const struct TALER_Amount *amount);
/**
* Provide specification to parse given JSON object to an amount.
*
* @param name name of the amount field in the JSON
* @param[out] r_amount where the amount has to be written
*/
struct GNUNET_JSON_Specification
TALER_JSON_spec_amount (const char *name,
struct TALER_Amount *r_amount);
/**
* Hash a JSON for binary signing.
*
* @param[in] json some JSON value to hash
* @param[out] hc resulting hash code
* @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
TALER_JSON_hash (json_t *json,
struct GNUNET_HashCode *hc);
#endif /* TALER_JSON_LIB_H_ */
/* End of taler_json_lib.h */
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