/*
This file is part of TALER
Copyright (C) 2014-2022 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
*/
/**
* @file testing/testing_api_cmd_reserve_open.c
* @brief Implement the /reserve/$RID/open test command.
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_json_lib.h"
#include
#include "taler_testing_lib.h"
/**
* Information we track per coin used to pay for opening the
* reserve.
*/
struct CoinDetail
{
/**
* Name of the command and index of the coin to use.
*/
const char *name;
/**
* Amount to charge to this coin.
*/
struct TALER_Amount amount;
};
/**
* State for a "open" CMD.
*/
struct OpenState
{
/**
* Label to the command which created the reserve to check,
* needed to resort the reserve key.
*/
const char *reserve_reference;
/**
* Requested expiration time.
*/
struct GNUNET_TIME_Relative req_expiration_time;
/**
* Requested minimum number of purses.
*/
uint32_t min_purses;
/**
* Amount to pay for the opening from the reserve balance.
*/
struct TALER_Amount reserve_pay;
/**
* Handle to the "reserve open" operation.
*/
struct TALER_EXCHANGE_ReservesOpenHandle *rsh;
/**
* Expected reserve balance.
*/
const char *expected_balance;
/**
* Length of the @e cd array.
*/
unsigned int cpl;
/**
* Coin details, array of length @e cpl.
*/
struct CoinDetail *cd;
/**
* Private key of the reserve being analyzed.
*/
const struct TALER_ReservePrivateKeyP *reserve_priv;
/**
* Public key of the reserve being analyzed.
*/
struct TALER_ReservePublicKeyP reserve_pub;
/**
* Expected HTTP response code.
*/
unsigned int expected_response_code;
/**
* Interpreter state.
*/
struct TALER_TESTING_Interpreter *is;
};
/**
* Check that the reserve balance and HTTP response code are
* both acceptable.
*
* @param cls closure.
* @param rs HTTP response details
*/
static void
reserve_open_cb (void *cls,
const struct TALER_EXCHANGE_ReserveOpenResult *rs)
{
struct OpenState *ss = cls;
struct TALER_TESTING_Interpreter *is = ss->is;
ss->rsh = NULL;
if (ss->expected_response_code != rs->hr.http_status)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Unexpected HTTP response code: %d in %s:%u\n",
rs->hr.http_status,
__FILE__,
__LINE__);
json_dumpf (rs->hr.reply,
stderr,
JSON_INDENT (2));
TALER_TESTING_interpreter_fail (ss->is);
return;
}
if (MHD_HTTP_OK != rs->hr.http_status)
{
TALER_TESTING_interpreter_next (is);
return;
}
TALER_TESTING_interpreter_next (is);
}
/**
* Run the command.
*
* @param cls closure.
* @param cmd the command being executed.
* @param is the interpreter state.
*/
static void
open_run (void *cls,
const struct TALER_TESTING_Command *cmd,
struct TALER_TESTING_Interpreter *is)
{
struct OpenState *ss = cls;
const struct TALER_TESTING_Command *create_reserve;
struct TALER_EXCHANGE_PurseDeposit cp[GNUNET_NZL (ss->cpl)];
struct TALER_EXCHANGE_Handle *exchange
= TALER_TESTING_get_exchange (is);
if (NULL == exchange)
return;
ss->is = is;
create_reserve
= TALER_TESTING_interpreter_lookup_command (is,
ss->reserve_reference);
if (NULL == create_reserve)
{
GNUNET_break (0);
TALER_TESTING_interpreter_fail (is);
return;
}
if (GNUNET_OK !=
TALER_TESTING_get_trait_reserve_priv (create_reserve,
&ss->reserve_priv))
{
GNUNET_break (0);
TALER_LOG_ERROR ("Failed to find reserve_priv for open query\n");
TALER_TESTING_interpreter_fail (is);
return;
}
GNUNET_CRYPTO_eddsa_key_get_public (&ss->reserve_priv->eddsa_priv,
&ss->reserve_pub.eddsa_pub);
for (unsigned int i = 0; icpl; i++)
{
struct TALER_EXCHANGE_PurseDeposit *cpi = &cp[i];
const struct TALER_TESTING_Command *cmdi;
const struct TALER_AgeCommitmentProof *age_commitment_proof;
const struct TALER_CoinSpendPrivateKeyP *coin_priv;
const struct TALER_DenominationSignature *denom_sig;
const struct TALER_EXCHANGE_DenomPublicKey *denom_pub;
char *cref;
unsigned int cidx;
if (GNUNET_OK !=
TALER_TESTING_parse_coin_reference (ss->cd[i].name,
&cref,
&cidx))
{
GNUNET_break (0);
TALER_LOG_ERROR ("Failed to parse coin reference `%s'\n",
ss->cd[i].name);
TALER_TESTING_interpreter_fail (is);
return;
}
cmdi = TALER_TESTING_interpreter_lookup_command (is,
cref);
GNUNET_free (cref);
if (NULL == cmdi)
{
GNUNET_break (0);
TALER_LOG_ERROR ("Command `%s' not found\n",
ss->cd[i].name);
TALER_TESTING_interpreter_fail (is);
return;
}
if ( (GNUNET_OK !=
TALER_TESTING_get_trait_age_commitment_proof (cmdi,
cidx,
&age_commitment_proof))
||
(GNUNET_OK !=
TALER_TESTING_get_trait_coin_priv (cmdi,
cidx,
&coin_priv)) ||
(GNUNET_OK !=
TALER_TESTING_get_trait_denom_sig (cmdi,
cidx,
&denom_sig)) ||
(GNUNET_OK !=
TALER_TESTING_get_trait_denom_pub (cmdi,
cidx,
&denom_pub)) )
{
GNUNET_break (0);
TALER_LOG_ERROR ("Coin trait not found in `%s'\n",
ss->cd[i].name);
TALER_TESTING_interpreter_fail (is);
return;
}
cpi->age_commitment_proof = age_commitment_proof;
cpi->coin_priv = *coin_priv;
cpi->denom_sig = *denom_sig;
cpi->amount = ss->cd[i].amount;
cpi->h_denom_pub = denom_pub->h_key;
}
ss->rsh = TALER_EXCHANGE_reserves_open (
exchange,
ss->reserve_priv,
&ss->reserve_pay,
ss->cpl,
cp,
GNUNET_TIME_relative_to_timestamp (ss->req_expiration_time),
ss->min_purses,
&reserve_open_cb,
ss);
}
/**
* Cleanup the state from a "reserve open" CMD, and possibly
* cancel a pending operation thereof.
*
* @param cls closure.
* @param cmd the command which is being cleaned up.
*/
static void
open_cleanup (void *cls,
const struct TALER_TESTING_Command *cmd)
{
struct OpenState *ss = cls;
if (NULL != ss->rsh)
{
TALER_TESTING_command_incomplete (ss->is,
cmd->label);
TALER_EXCHANGE_reserves_open_cancel (ss->rsh);
ss->rsh = NULL;
}
GNUNET_free (ss);
}
struct TALER_TESTING_Command
TALER_TESTING_cmd_reserve_open (const char *label,
const char *reserve_reference,
const char *reserve_pay,
struct GNUNET_TIME_Relative expiration_time,
uint32_t min_purses,
unsigned int expected_response_code,
...)
{
struct OpenState *ss;
va_list ap;
const char *name;
unsigned int i;
GNUNET_assert (NULL != reserve_reference);
ss = GNUNET_new (struct OpenState);
ss->reserve_reference = reserve_reference;
ss->req_expiration_time = expiration_time;
ss->min_purses = min_purses;
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount (reserve_pay,
&ss->reserve_pay));
ss->expected_response_code = expected_response_code;
va_start (ap,
expected_response_code);
while (NULL != (name = va_arg (ap, const char *)))
ss->cpl++;
va_end (ap);
GNUNET_assert (0 == (ss->cpl % 2));
ss->cpl /= 2; /* name and amount per coin */
ss->cd = GNUNET_new_array (ss->cpl,
struct CoinDetail);
i = 0;
va_start (ap,
expected_response_code);
while (NULL != (name = va_arg (ap, const char *)))
{
struct CoinDetail *cd = &ss->cd[i];
cd->name = name;
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount (va_arg (ap,
const char *),
&cd->amount));
i++;
}
va_end (ap);
{
struct TALER_TESTING_Command cmd = {
.cls = ss,
.label = label,
.run = &open_run,
.cleanup = &open_cleanup
};
return cmd;
}
}