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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_bank_check.c
* @brief command to check if a particular wire transfer took
* place.
* @author Marcello Stanisci
*/
#include "platform.h"
#include "taler_json_lib.h"
#include <gnunet/gnunet_curl_lib.h>
#include "exchange_api_handle.h"
#include "taler_testing_lib.h"
#include "taler_fakebank_lib.h"
struct BankCheckState
{
/**
* Exchange base URL (Fixme: why?)
*/
const char *exchange_base_url;
/**
* Expected transferred amount.
*/
const char *amount;
/**
* Expected account number that gave money
*/
uint64_t debit_account;
/**
* Expected account number that received money
*/
uint64_t credit_account;
/**
* Wire transfer subject (set by fakebank-lib).
*/
char *subject;
/**
* Binary form of the transfer subject. Some commands expect
* it - via appropriate traits - to be in binary form.
*/
struct TALER_WireTransferIdentifierRawP wtid;
/**
* Interpreter state.
*/
struct TALER_TESTING_Interpreter *is;
/**
* FIXME.
*/
const char *deposit_reference;
};
/**
* Run the command.
*
* @param cls closure, typically a #struct WireState.
* @param cmd the command to execute, a /wire one.
* @param is the interpreter state.
*/
void
check_bank_transfer_run (void *cls,
const struct TALER_TESTING_Command *cmd,
struct TALER_TESTING_Interpreter *is)
{
struct BankCheckState *bcs = cls;
struct TALER_Amount amount;
const uint64_t *debit_account;
const uint64_t *credit_account;
const char *exchange_base_url;
if (NULL == bcs->deposit_reference)
{
debit_account = &bcs->debit_account;
credit_account = &bcs->credit_account;
exchange_base_url = bcs->exchange_base_url;
if (GNUNET_OK !=
TALER_string_to_amount (bcs->amount,
&amount))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Failed to parse amount `%s' at %u\n",
bcs->amount,
is->ip);
TALER_TESTING_interpreter_fail (is);
return;
}
}
if (NULL != bcs->deposit_reference)
{
const struct TALER_TESTING_Command *deposit_cmd;
const struct TALER_Amount *amount_ptr;
TALER_LOG_INFO ("`%s' uses reference (%s)\n",
TALER_TESTING_interpreter_get_current_label
(is),
bcs->deposit_reference);
deposit_cmd = TALER_TESTING_interpreter_lookup_command
(is, bcs->deposit_reference);
if (NULL == deposit_cmd)
TALER_TESTING_FAIL (is);
GNUNET_assert
(GNUNET_OK == TALER_TESTING_get_trait_amount_obj
(deposit_cmd, 0, &amount_ptr));
amount = *amount_ptr;
GNUNET_assert
(GNUNET_OK == TALER_TESTING_GET_TRAIT_DEBIT_ACCOUNT
(deposit_cmd, &debit_account));
GNUNET_assert
(GNUNET_OK == TALER_TESTING_GET_TRAIT_CREDIT_ACCOUNT
(deposit_cmd, &credit_account));
GNUNET_assert
(GNUNET_OK == TALER_TESTING_get_trait_url
(deposit_cmd, 0, &exchange_base_url)); // check 0 works!
}
if (GNUNET_OK !=
TALER_FAKEBANK_check (is->fakebank,
&amount,
*debit_account,
*credit_account,
exchange_base_url,
&bcs->subject))
{
GNUNET_break (0);
TALER_TESTING_interpreter_fail (is);
return;
}
TALER_TESTING_interpreter_next (is);
}
/**
* Cleanup the state.
*
* @param cls closure, typically a #struct WireState.
* @param cmd the command which is being cleaned up.
*/
void
check_bank_transfer_cleanup
(void *cls,
const struct TALER_TESTING_Command *cmd)
{
struct BankCheckState *bcs = cls;
GNUNET_free_non_null (bcs->subject);
GNUNET_free (bcs);
}
/**
* 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
check_bank_transfer_traits (void *cls,
void **ret,
const char *trait,
unsigned int index)
{
struct BankCheckState *bcs = cls;
struct TALER_WireTransferIdentifierRawP *wtid_ptr;
if (GNUNET_OK != GNUNET_STRINGS_string_to_data
(bcs->subject,
strlen (bcs->subject),
&bcs->wtid,
sizeof (struct TALER_WireTransferIdentifierRawP)))
wtid_ptr = NULL;
wtid_ptr = &bcs->wtid;
struct TALER_TESTING_Trait traits[] = {
TALER_TESTING_make_trait_transfer_subject (0, bcs->subject),
TALER_TESTING_make_trait_wtid (0, wtid_ptr),
TALER_TESTING_make_trait_url (0, bcs->exchange_base_url),
TALER_TESTING_trait_end ()
};
return TALER_TESTING_get_trait (traits,
ret,
trait,
index);
}
/**
* Command to check whether a particular wire transfer has been
* made or not.
*
* @param label the command label
* @param exchange_base_url base url of the exchange (Fixme: why?)
* @param amount the amount expected to be transferred
* @param debit_account the account that gave money
* @param credit_account the account that received money
*
* @return the command
*/
struct TALER_TESTING_Command
TALER_TESTING_cmd_check_bank_transfer
(const char *label,
const char *exchange_base_url,
const char *amount,
uint64_t debit_account,
uint64_t credit_account)
{
struct BankCheckState *bcs;
struct TALER_TESTING_Command cmd;
bcs = GNUNET_new (struct BankCheckState);
bcs->exchange_base_url = exchange_base_url;
bcs->amount = amount;
bcs->debit_account = debit_account;
bcs->credit_account = credit_account;
cmd.label = label;
cmd.cls = bcs;
cmd.run = &check_bank_transfer_run;
cmd.cleanup = &check_bank_transfer_cleanup;
cmd.traits = &check_bank_transfer_traits;
return cmd;
}
/**
* Cleanup the state.
*
* @param cls closure, typically a #struct WireState.
* @param cmd the command which is being cleaned up.
*/
void
check_bank_empty_cleanup
(void *cls,
const struct TALER_TESTING_Command *cmd)
{
return;
}
/**
* Run the command.
*
* @param cls closure, typically a #struct WireState.
* @param cmd the command to execute, a /wire one.
* @param is the interpreter state.
*/
void
check_bank_empty_run (void *cls,
const struct TALER_TESTING_Command *cmd,
struct TALER_TESTING_Interpreter *is)
{
if (GNUNET_OK != TALER_FAKEBANK_check_empty (is->fakebank))
{
GNUNET_break (0);
TALER_TESTING_interpreter_fail (is);
return;
}
TALER_TESTING_interpreter_next (is);
}
/**
* FIXME.
*/
static int
check_bank_empty_traits (void *cls,
void **ret,
const char *trait,
unsigned int index)
{
/**
* Some commands (notably "bank history") could randomly
* look for traits; this way makes sure we don't segfault.
*/
return GNUNET_SYSERR;
}
/**
* Check bank's balance is zero.
*
* @param credit_account the account that received money
*
* @return the command
*/
struct TALER_TESTING_Command
TALER_TESTING_cmd_check_bank_empty (const char *label)
{
struct TALER_TESTING_Command cmd;
cmd.label = label;
cmd.run = &check_bank_empty_run;
cmd.cleanup = &check_bank_empty_cleanup;
cmd.traits = &check_bank_empty_traits;
return cmd;
}
/**
* FIXME.
*/
struct TALER_TESTING_Command
TALER_TESTING_cmd_check_bank_transfer_with_ref
(const char *label,
const char *deposit_reference)
{
struct BankCheckState *bcs;
struct TALER_TESTING_Command cmd;
bcs = GNUNET_new (struct BankCheckState);
bcs->deposit_reference = deposit_reference;
cmd.label = label;
cmd.cls = bcs;
cmd.run = &check_bank_transfer_run;
cmd.cleanup = &check_bank_transfer_cleanup;
cmd.traits = &check_bank_transfer_traits;
return cmd;
}
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