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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_cmd_withdraw.c
* @brief main interpreter loop for testcases
* @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"
struct WithdrawState
{
/**
* Which reserve should we withdraw from?
*/
const char *reserve_reference;
/**
* String describing the denomination value we should withdraw.
* A corresponding denomination key must exist in the exchange's
* offerings. Can be NULL if @e pk is set instead.
*/
struct TALER_Amount amount;
/**
* If @e amount is NULL, this specifies the denomination key to
* use. Otherwise, this will be set (by the interpreter) to the
* denomination PK matching @e amount.
*/
const struct TALER_EXCHANGE_DenomPublicKey *pk;
/**
* Set (by the interpreter) to the exchange's signature over the
* coin's public key.
*/
struct TALER_DenominationSignature sig;
/**
* Private key material of the coin, set by the interpreter.
*/
struct TALER_PlanchetSecretsP ps;
/**
* Withdraw handle (while operation is running).
*/
struct TALER_EXCHANGE_ReserveWithdrawHandle *wsh;
};
/**
* Runs the command. Note that upon return, the interpreter
* will not automatically run the next command, as the command
* may continue asynchronously in other scheduler tasks. Thus,
* the command must ensure to eventually call
* #TALER_TESTING_interpreter_next() or
* #TALER_TESTING_interpreter_fail().
*
* @param i interpreter state
*/
static void
withdraw_run (void *cls,
struct TALER_TESTING_Interpreter *i)
{
struct WithdrawState *ws = cls;
struct TALER_ReservePrivateKeyP rp;
struct TALER_TESTING_Command *create_reserve;
create_reserve
= TALER_TESTING_interpreter_lookup_command (i,
ws->reserve_reference);
if (NULL == create_reserve)
{
GNUNET_break (0);
TALER_TESTING_interpreter_fail (i);
return;
}
if (GNUNET_OK !=
TALER_TESTING_get_trait_reserve_priv (create_reserve,
NULL,
&rp))
{
GNUNET_break (0);
TALER_TESTING_interpreter_fail (i);
return;
}
// ... trigger withdraw
// ... eventually: TALER_TESTING_interpreter_next (i);
}
/**
* Clean up after the command. Run during forced termination
* (CTRL-C) or test failure or test success.
*
* @param cls closure
*/
static void
withdraw_cleanup (void *cls)
{
struct WithdrawState *ws = cls;
}
/**
* Extract information from a command that is useful for other
* commands.
*
* @param cls closure
* @param ret[out] result (could be anything)
* @param trait name of the trait
* @param selector more detailed information about which object
* to return in case there were multiple generated
* by the command
* @return #GNUNET_OK on success
*/
static int
withdraw_traits (void *cls,
void **ret,
const char *trait,
const char *selector)
{
struct WithdrawState *ws = cls;
struct TALER_INTERPRETER_Trait traits[] = {
TALER_TESTING_make_trait_coin_priv (NULL /* only one coin */,
&ws->ps.coin_priv),
#if 0
TALER_TESTING_make_trait_coin_blinding_key (NULL /* only one coin */,
&ws->ps.blinding_key),
TALER_TESTING_make_trait_coin_denomination_key (NULL /* only one coin */,
ws->pk),
TALER_TESTING_make_trait_coin_denomination_sig (NULL /* only one coin */,
&ws->sig),
#endif
TALER_TESTING_trait_end ()
};
return TALER_TESTING_get_trait (traits,
ret,
trait,
selector);
}
/**
* Create withdraw command.
*
*/
struct TALER_TESTING_Command
TALER_TESTING_cmd_withdraw_amount (const char *label,
const char *reserve_reference,
const char *amount)
{
struct TALER_TESTING_Command cmd;
struct WithdrawState *ws;
ws = GNUNET_new (struct WithdrawState);
ws->reserve_reference = reserve_reference;
// convert amount -> ws->amount;
cmd.cls = ws;
cmd.label = label;
cmd.run = &withdraw_run;
cmd.cleanup = &withdraw_cleanup;
cmd.traits = &withdraw_traits;
return cmd;
}
/* end of testing_api_cmd_withdraw.c */
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