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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 exchange-lib/testing_api_helpers.c
* @brief helper functions
* @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"
/**
* Find denomination key matching the given amount.
*
* @param keys array of keys to search
* @param amount coin value to look for
* @return NULL if no matching key was found
*/
const struct TALER_EXCHANGE_DenomPublicKey *
TALER_TESTING_find_pk (const struct TALER_EXCHANGE_Keys *keys,
const struct TALER_Amount *amount)
{
struct GNUNET_TIME_Absolute now;
struct TALER_EXCHANGE_DenomPublicKey *pk;
char *str;
now = GNUNET_TIME_absolute_get ();
for (unsigned int i=0;i<keys->num_denom_keys;i++)
{
pk = &keys->denom_keys[i];
if ( (0 == TALER_amount_cmp (amount,
&pk->value)) &&
(now.abs_value_us >= pk->valid_from.abs_value_us) &&
(now.abs_value_us < pk->withdraw_valid_until.abs_value_us) )
return pk;
}
/* do 2nd pass to check if expiration times are to blame for failure */
str = TALER_amount_to_string (amount);
for (unsigned int i=0;i<keys->num_denom_keys;i++)
{
pk = &keys->denom_keys[i];
if ( (0 == TALER_amount_cmp (amount,
&pk->value)) &&
( (now.abs_value_us < pk->valid_from.abs_value_us) ||
(now.abs_value_us > pk->withdraw_valid_until.abs_value_us) ) )
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Have denomination key for `%s', but with wrong expiration range %llu vs [%llu,%llu)\n",
str,
(unsigned long long) now.abs_value_us,
(unsigned long long) pk->valid_from.abs_value_us,
(unsigned long long) pk->withdraw_valid_until.abs_value_us);
GNUNET_free (str);
return NULL;
}
}
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"No denomination key for amount %s found\n",
str);
GNUNET_free (str);
return NULL;
}
/* end of testing_api_helpers.c */
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