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/*
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 lib/testing_api_trait_string.c
* @brief offer traits that come as strings.
* @author Marcello Stanisci
*/
#include "platform.h"
#include <taler/taler_signatures.h>
#include <taler/taler_exchange_service.h>
#include <taler/taler_testing_lib.h>
#define TALER_TESTING_TRAIT_PROPOSAL_REFERENCE "proposal-reference"
#define TALER_TESTING_TRAIT_COIN_REFERENCE "coin-reference"
/**
* Obtain a reference to a proposal command. Any command that
* works with proposals, might need to offer their reference to
* it. Notably, the "pay" command, offers its proposal reference
* to the "pay abort" command as the latter needs to reconstruct
* the same data needed by the former in order to use the "pay
* abort" API.
*
* @param cmd command to extract the trait from.
* @param index which reference to pick if @a cmd has multiple
* on offer.
* @param proposal_reference[out] set to the wanted reference.
*
* @return #GNUNET_OK on success
*/
int
TALER_TESTING_get_trait_proposal_reference
(const struct TALER_TESTING_Command *cmd,
unsigned int index,
const char **proposal_reference)
{
return cmd->traits (cmd->cls,
(const void **) proposal_reference,
TALER_TESTING_TRAIT_PROPOSAL_REFERENCE,
index);
}
/**
* Offer a proposal reference.
*
* @param index which reference to offer if there are
* multiple on offer.
* @param proposal_reference pointer to the reference to offer.
*
* @return the trait
*/
struct TALER_TESTING_Trait
TALER_TESTING_make_trait_proposal_reference
(unsigned int index,
const char *proposal_reference)
{
struct TALER_TESTING_Trait ret = {
.index = index,
.trait_name = TALER_TESTING_TRAIT_PROPOSAL_REFERENCE,
.ptr = (const void *) proposal_reference
};
return ret;
}
/**
* Obtain a reference to any command that can provide coins as
* traits.
*
* @param cmd command to extract trait from
* @param index which reference to pick if @a cmd has multiple
* on offer
* @param coin_reference[out] set to the wanted reference.
* NOTE: a _single_ reference can contain
* _multiple_ instances, using semi-colon as separator.
* For example, a _single_ reference can be this:
* "coin-ref-1", or even this: "coin-ref-1;coin-ref-2".
* The "pay" command contains functions that can parse
* such format.
*
* @return #GNUNET_OK on success
*/
int
TALER_TESTING_get_trait_coin_reference
(const struct TALER_TESTING_Command *cmd,
unsigned int index,
const char **coin_reference)
{
return cmd->traits (cmd->cls,
(const void **) coin_reference,
TALER_TESTING_TRAIT_COIN_REFERENCE,
index);
}
/**
* Offer a coin reference.
*
* @param index which reference to offer if there are
* multiple on offer.
* @param coin_reference set to the offered reference.
*
* @return the trait
*/
struct TALER_TESTING_Trait
TALER_TESTING_make_trait_coin_reference
(unsigned int index,
const char *coin_reference)
{
struct TALER_TESTING_Trait ret = {
.index = index,
.trait_name = TALER_TESTING_TRAIT_COIN_REFERENCE,
.ptr = (const void *) coin_reference
};
return ret;
}
/* end of testing_api_trait_string.c */
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