/*
  This file is part of TALER
  Copyright (C) 2018 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 exchange-lib/testing_api_trait_denom_sig.c
 * @brief offer denomination signatures as traits
 * @author Christian Grothoff
 * @author Marcello Stanisci
 */
#include "platform.h"
#include "taler_json_lib.h"
#include <gnunet/gnunet_curl_lib.h>
#include "exchange_api_handle.h"
#include "taler_signatures.h"
#include "taler_testing_lib.h"

#define TALER_TESTING_TRAIT_DENOM_SIG "denomination-signature"


/**
 * Obtain a denomination signature from a @a cmd.
 *
 * @param cmd command to extract trait from
 * @param selector which signature to pick if @a cmd has multiple
 *        on offer
 * @param denom_sig[out] set to the signature
 * @return #GNUNET_OK on success
 */
int
TALER_TESTING_get_trait_denom_sig (
  const struct TALER_TESTING_Command *cmd,
  unsigned int index,
  struct TALER_DenominationSignature **denom_sig)
{
  return cmd->traits (cmd->cls,
                      (void **) denom_sig,
                      TALER_TESTING_TRAIT_DENOM_SIG,
                      index);
}


struct TALER_TESTING_Trait
TALER_TESTING_make_trait_denom_sig (
  unsigned int index,
  const struct TALER_DenominationSignature *denom_sig)
{
  struct TALER_TESTING_Trait ret = {
    .index = index,
    .trait_name = TALER_TESTING_TRAIT_DENOM_SIG,
    .ptr = (const void *) denom_sig
  };

  return ret;
}


/* end of testing_api_trait_denom_sig.c */