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/*
This file is part of TALER
Copyright (C) 2017 GNUnet e.V.
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 taler-bank-transfer.c
* @brief Execute wire transfer.
* @author Christian Grothoff
*/
#include "platform.h"
#include <gnunet/gnunet_util_lib.h>
#include <gnunet/gnunet_json_lib.h>
#include <jansson.h>
#include "taler_bank_service.h"
/**
* Bank URL.
*/
static char *bank_url;
/**
* Amount to transfer.
*/
static struct TALER_Amount amount;
/**
* Debit account number.
*/
static unsigned long long debit_account_no;
/**
* Credit account number.
*/
static unsigned long long credit_account_no;
/**
* Wire transfer subject.
*/
static char *subject;
/**
* Username for authentication.
*/
static char *username;
/**
* Password for authentication.
*/
static char *password;
/**
* Return value from main().
*/
static int global_ret;
/**
* Main execution context for the main loop.
*/
static struct GNUNET_CURL_Context *ctx;
/**
* Handle to access the exchange.
*/
static struct TALER_BANK_AdminAddIncomingHandle *op;
/**
* Context for running the CURL event loop.
*/
static struct GNUNET_CURL_RescheduleContext *rc;
/**
* Function run when the test terminates (good or bad).
* Cleans up our state.
*
* @param cls NULL
*/
static void
do_shutdown (void *cls)
{
if (NULL != op)
{
TALER_BANK_admin_add_incoming_cancel (op);
op = NULL;
}
if (NULL != ctx)
{
GNUNET_CURL_fini (ctx);
ctx = NULL;
}
if (NULL != rc)
{
GNUNET_CURL_gnunet_rc_destroy (rc);
rc = NULL;
}
}
/**
* Function called with the result of the operation.
*
* @param cls closure
* @param http_status HTTP response code, #MHD_HTTP_OK (200) for successful status request
* 0 if the bank's reply is bogus (fails to follow the protocol)
* @param ec detailed error code
* @param serial_id unique ID of the wire transfer in the bank's records; UINT64_MAX on error
* @param timestamp timestamp when the transaction got settled at the bank.
* @param json detailed response from the HTTPD, or NULL if reply was not in JSON
*/
static void
res_cb (void *cls,
unsigned int http_status,
enum TALER_ErrorCode ec,
long long unsigned serial_id,
struct GNUNET_TIME_Absolute timestamp,
const json_t *json)
{
op = NULL;
switch (ec)
{
case TALER_EC_NONE:
global_ret = 0;
fprintf (stdout,
"%llu\n",
(unsigned long long) serial_id);
break;
default:
fprintf (stderr,
"Operation failed with staus code %u/%u\n",
(unsigned int) ec,
http_status);
if (NULL != json)
json_dumpf (json,
stderr,
JSON_INDENT (2));
break;
}
GNUNET_SCHEDULER_shutdown ();
}
/**
* Main function that will be run.
*
* @param cls closure
* @param args remaining command-line arguments
* @param cfgfile name of the configuration file used (for saving, can be NULL!)
* @param cfg configuration
*/
static void
run (void *cls,
char *const *args,
const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
struct TALER_BANK_AuthenticationData auth;
ctx = GNUNET_CURL_init (&GNUNET_CURL_gnunet_scheduler_reschedule,
&rc);
GNUNET_assert (NULL != ctx);
rc = GNUNET_CURL_gnunet_rc_create (ctx);
auth.method = TALER_BANK_AUTH_BASIC;
auth.details.basic.username = username;
auth.details.basic.password = password;
op = TALER_BANK_admin_add_incoming (ctx,
bank_url,
&auth,
"https://exchange.com/legacy",
subject,
&amount,
debit_account_no,
credit_account_no,
&res_cb,
NULL);
GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
NULL);
if (NULL == op)
GNUNET_SCHEDULER_shutdown ();
}
/**
* The main function of the reservemod tool
*
* @param argc number of arguments from the command line
* @param argv command line arguments
* @return 0 ok, 1 on error
*/
int
main (int argc, char *const *argv)
{
const struct GNUNET_GETOPT_CommandLineOption options[] = {
GNUNET_GETOPT_option_mandatory
(TALER_getopt_get_amount ('a',
"amount",
"VALUE",
"value to transfer",
&amount)),
GNUNET_GETOPT_option_mandatory
(GNUNET_GETOPT_option_string ('b',
"bank",
"URL",
"base URL of the bank",
&bank_url)),
GNUNET_GETOPT_option_help ("Deposit funds into a Taler reserve"),
GNUNET_GETOPT_option_mandatory
(GNUNET_GETOPT_option_ulong ('C',
"credit",
"ACCOUNT",
"number of the bank account to credit",
&credit_account_no)),
GNUNET_GETOPT_option_mandatory
(GNUNET_GETOPT_option_ulong ('D',
"debit",
"ACCOUNT",
"number of the bank account to debit",
&debit_account_no)),
GNUNET_GETOPT_option_mandatory
(GNUNET_GETOPT_option_string ('s',
"subject",
"STRING",
"specifies the wire transfer subject",
&subject)),
GNUNET_GETOPT_option_mandatory
(GNUNET_GETOPT_option_string ('u',
"user",
"USERNAME",
"username to use for authentication",
&username)),
GNUNET_GETOPT_option_mandatory
(GNUNET_GETOPT_option_string ('p',
"pass",
"PASSPHRASE",
"passphrase to use for authentication",
&password)),
GNUNET_GETOPT_OPTION_END
};
GNUNET_assert (GNUNET_OK ==
GNUNET_log_setup ("taler-bank-transfer",
"WARNING",
NULL));
global_ret = 1;
if (GNUNET_OK !=
GNUNET_PROGRAM_run (argc, argv,
"taler-bank-transfer",
"Execute bank transfer",
options,
&run, NULL))
return 1;
return global_ret;
}
/* end taler-bank-transfer.c */
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