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/*
This file is part of TALER
Copyright (C) 2014 GNUnet e.V.
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, If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file taler-mint-httpd_refresh.h
* @brief Handle /refresh/ requests
* @author Florian Dold
* @author Benedikt Mueller
* @author Christian Grothoff
*/
#ifndef TALER_MINT_HTTPD_REFRESH_H
#define TALER_MINT_HTTPD_REFRESH_H
#include <gnunet/gnunet_util_lib.h>
#include <microhttpd.h>
#include "taler-mint-httpd.h"
/**
* Handle a "/refresh/melt" request. Parses the request into the JSON
* components and then hands things of to #handle_referesh_melt_json()
* to validate the melted coins, the signature and execute the melt
* using TALER_MINT_db_execute_refresh_melt().
*
* @param rh context of the handler
* @param connection the MHD connection to handle
* @param[IN|OUT] connection_cls the connection's closure (can be updated)
* @param upload_data upload data
* @param[IN|OUT] upload_data_size number of bytes (left) in @a upload_data
* @return MHD result code
*/
int
TALER_MINT_handler_refresh_melt (struct RequestHandler *rh,
struct MHD_Connection *connection,
void **connection_cls,
const char *upload_data,
size_t *upload_data_size);
/**
* Handle a "/refresh/commit" request. Parses the top-level JSON to
* determine the dimensions of the problem and then handles handing
* off to #handle_refresh_commit_json() to parse the details of the
* JSON arguments. Once the signature has been verified, the
* commit data is written to the database via
* #TALER_MINT_db_execute_refresh_commit() and the cut-and-choose value
* is then returned to the client.
*
* @param rh context of the handler
* @param connection the MHD connection to handle
* @param[IN|OUT] connection_cls the connection's closure (can be updated)
* @param upload_data upload data
* @param[IN|OUT] upload_data_size number of bytes (left) in @a upload_data
* @return MHD result code
*/
int
TALER_MINT_handler_refresh_commit (struct RequestHandler *rh,
struct MHD_Connection *connection,
void **connection_cls,
const char *upload_data,
size_t *upload_data_size);
/**
* Handle a "/refresh/reveal" request. This time, the client reveals
* the private transfer keys except for the cut-and-choose value
* returned from "/refresh/commit". This function parses the revealed
* keys and secrets and ultimately passes everything to
* #TALER_MINT_db_execute_refresh_reveal() which will verify that the
* revealed information is valid then returns the signed refreshed
* coins.
*
* @param rh context of the handler
* @param connection the MHD connection to handle
* @param[IN|OUT] connection_cls the connection's closure (can be updated)
* @param upload_data upload data
* @param[IN|OUT] upload_data_size number of bytes (left) in @a upload_data
* @return MHD result code
*/
int
TALER_MINT_handler_refresh_reveal (struct RequestHandler *rh,
struct MHD_Connection *connection,
void **connection_cls,
const char *upload_data,
size_t *upload_data_size);
/**
* Handle a "/refresh/link" request
*
* @param rh context of the handler
* @param connection the MHD connection to handle
* @param[IN|OUT] connection_cls the connection's closure (can be updated)
* @param upload_data upload data
* @param[IN|OUT] upload_data_size number of bytes (left) in @a upload_data
* @return MHD result code
*/
int
TALER_MINT_handler_refresh_link (struct RequestHandler *rh,
struct MHD_Connection *connection,
void **connection_cls,
const char *upload_data,
size_t *upload_data_size);
#endif
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