exchange/src/include/taler_bank_service.h

/*
  This file is part of TALER
  Copyright (C) 2015, 2016, 2017 GNUnet e.V. & Inria

  TALER is free software; you can redistribute it and/or modify it under the
  terms of the GNU Affero 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 Affero General Public License for more details.

  You should have received a copy of the GNU Affero General Public License along with
  TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
*/
/**
 * @file include/taler_bank_service.h
 * @brief C interface of libtalerbank, a C library to use the Taler bank's HTTP API
 *        This is currently ONLY used to provide the "test" wire transfer protocol.
 * @author Christian Grothoff
 */
#ifndef _TALER_BANK_SERVICE_H
#define _TALER_BANK_SERVICE_H

#include <jansson.h>
#include <gnunet/gnunet_curl_lib.h>
#include "taler_util.h"

/* ********************* /admin/add/incoming *********************** */


/**
 * @brief A /admin/add/incoming Handle
 */
struct TALER_BANK_AdminAddIncomingHandle;


/**
 * Callbacks of this type are used to serve the result of submitting
 * information about an incoming transaction to a bank.
 *
 * @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 json detailed response from the HTTPD, or NULL if reply was not in JSON
 */
typedef void
(*TALER_BANK_AdminAddIncomingResultCallback) (void *cls,
                                              unsigned int http_status,
                                              const json_t *json);


/**
 * Notify the bank that we have received an incoming transaction
 * which fills a reserve.  Note that this API is an administrative
 * API and thus not accessible to typical bank clients, but only
 * to the operators of the bank.
 *
 * @param ctx curl context for the event loop
 * @param auth authentication data to send to the bank
 * @param bank_base_url URL of the bank (used to execute this request)
 * @param exchange_base_url base URL of the exchange (for tracking)
 * @param wtid wire transfer identifier for the transfer
 * @param amount amount that was deposited
 * @param debit_account_no account number to withdraw from (53 bits at most)
 * @param credit_account_no account number to deposit into (53 bits at most)
 * @param res_cb the callback to call when the final result for this request is available
 * @param res_cb_cls closure for the above callback
 * @return NULL
 *         if the inputs are invalid (i.e. invalid amount).
 *         In this case, the callback is not called.
 */
struct TALER_BANK_AdminAddIncomingHandle *
TALER_BANK_admin_add_incoming (struct GNUNET_CURL_Context *ctx,
                               const json_t *auth,
                               const char *bank_base_url,
                               const char *exchange_base_url,
                               const struct TALER_WireTransferIdentifierRawP *wtid,
                               const struct TALER_Amount *amount,
                               uint64_t debit_account_no,
                               uint64_t credit_account_no,
                               TALER_BANK_AdminAddIncomingResultCallback res_cb,
                               void *res_cb_cls);


/**
 * Cancel an add incoming.  This function cannot be used on a request
 * handle if a response is already served for it.
 *
 * @param aai the admin add incoming request handle
 */
void
TALER_BANK_admin_add_incoming_cancel (struct TALER_BANK_AdminAddIncomingHandle *aai);

#endif  /* _TALER_BANK_SERVICE_H */