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/*
This file is part of TALER
Copyright (C) 2014, 2015 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 exchange-lib/exchange_api_handle.h
* @brief Internal interface to the handle part of the exchange's HTTP API
* @author Christian Grothoff
*/
#include "platform.h"
#include <gnunet/gnunet_curl_lib.h>
#include "taler_auditor_service.h"
#include "taler_exchange_service.h"
#include "taler_crypto_lib.h"
#include "taler_curl_lib.h"
/**
* Entry in DLL of auditors used by an exchange.
*/
struct TEAH_AuditorListEntry;
/**
* Entry in list of ongoing interactions with an auditor.
*/
struct TEAH_AuditorInteractionEntry
{
/**
* DLL entry.
*/
struct TEAH_AuditorInteractionEntry *next;
/**
* DLL entry.
*/
struct TEAH_AuditorInteractionEntry *prev;
/**
* Which auditor is this action associated with?
*/
struct TEAH_AuditorListEntry *ale;
/**
* Interaction state.
*/
struct TALER_AUDITOR_DepositConfirmationHandle *dch;
};
/**
* Function called for each auditor to give us a chance to possibly
* launch a deposit confirmation interaction.
*
* @param cls closure
* @param ah handle to the auditor
* @param auditor_pub public key of the auditor
* @return NULL if no deposit confirmation interaction was launched
*/
typedef struct TEAH_AuditorInteractionEntry *
(*TEAH_AuditorCallback)(void *cls,
struct TALER_AUDITOR_Handle *ah,
const struct TALER_AuditorPublicKeyP *auditor_pub);
/**
* Signature of functions called with the result from our call to the
* auditor's /deposit-confirmation handler.
*
* @param cls closure of type `struct TEAH_AuditorInteractionEntry *`
* @param http_status HTTP status code, 200 on success
* @param ec taler protocol error status code, 0 on success
* @param json raw json response
*/
void
TEAH_acc_confirmation_cb (void *cls,
unsigned int http_status,
enum TALER_ErrorCode ec,
const json_t *json);
/**
* Iterate over all available auditors for @a h, calling
* @param ah and giving it a chance to start a deposit
* confirmation interaction.
*
* @param h exchange to go over auditors for
* @param ac function to call per auditor
* @param ac_cls closure for @a ac
*/
void
TEAH_get_auditors_for_dc (struct TALER_EXCHANGE_Handle *h,
TEAH_AuditorCallback ac,
void *ac_cls);
/**
* Get the context of a exchange.
*
* @param h the exchange handle to query
* @return ctx context to execute jobs in
*/
struct GNUNET_CURL_Context *
TEAH_handle_to_context (struct TALER_EXCHANGE_Handle *h);
/**
* Check if the handle is ready to process requests.
*
* @param h the exchange handle to query
* @return #GNUNET_YES if we are ready, #GNUNET_NO if not
*/
int
TEAH_handle_is_ready (struct TALER_EXCHANGE_Handle *h);
/**
* Obtain the URL to use for an API request.
*
* @param h the exchange handle to query
* @param path Taler API path (i.e. "/reserve/withdraw")
* @return the full URL to use with cURL
*/
char *
TEAH_path_to_url (struct TALER_EXCHANGE_Handle *h,
const char *path);
/**
* Obtain the URL to use for an API request.
*
* @param base_url base URL of the exchange (i.e. "http://exchange/")
* @param path Taler API path (i.e. "/reserve/withdraw")
* @return the full URL to use with cURL
*/
char *
TEAH_path_to_url2 (const char *base_url,
const char *path);
/* end of exchange_api_handle.h */
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