/*
  This file is part of TALER
  Copyright (C) 2020 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 lib/testing_api_trait_claim_nonce.c
 * @brief offer a trait that is the nonce used to claim an order.
 * @author Jonathan Buchanan
 */
#include "platform.h"
#include <taler/taler_signatures.h>
#include <taler/taler_exchange_service.h>
#include <taler/taler_testing_lib.h>

#define TALER_TESTING_TRAIT_CLAIM_NONCE "nonce"

/**
 * Obtain an order claim nonce from a @a cmd.
 *
 * @param cmd command to extract the trait from.
 * @param index which nonce to pick if @a
 *        cmd has multiple on offer
 * @param nonce[out] set to the wanted data.
 *
 * @return #GNUNET_OK on success
 */
int
TALER_TESTING_get_trait_claim_nonce
  (const struct TALER_TESTING_Command *cmd,
  unsigned int index,
  const struct GNUNET_CRYPTO_EddsaPublicKey **nonce)
{
  return cmd->traits (cmd->cls,
                      (const void **) nonce,
                      TALER_TESTING_TRAIT_CLAIM_NONCE,
                      index);
}


/**
 * Offer an order claim nonce.
 *
 * @param index which nonce to offer if there are
 *        multiple on offer.
 * @param nonce set to the offered nonce.
 * @return the trait
 */
struct TALER_TESTING_Trait
TALER_TESTING_make_trait_claim_nonce
  (unsigned int index,
  const struct GNUNET_CRYPTO_EddsaPublicKey *nonce)
{
  struct TALER_TESTING_Trait ret = {
    .index = index,
    .trait_name = TALER_TESTING_TRAIT_CLAIM_NONCE,
    .ptr = (const void *) nonce
  };
  return ret;
}


/* end of testing_api_trait_claim_nonce.c */