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/*
This file is part of TALER
(C) 2014 Christian Grothoff (and other contributing authors)
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, If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file mint/taler-mint_httpd_db.h
* @brief Mint-specific database access
* @author Chrisitan Grothoff
*/
#ifndef TALER_MINT_HTTPD_DB_H
#define TALER_MINT_HTTPD_DB_H
#include <libpq-fe.h>
#include <microhttpd.h>
#include <gnunet/gnunet_util_lib.h>
#include "taler_util.h"
#include "taler-mint-httpd_keys.h"
#include "mint.h"
#include "mint_db.h"
/**
* Execute a /deposit. The validity of the coin and signature
* have already been checked. The database must now check that
* the coin is not (double or over) spent, and execute the
* transaction (record details, generate success or failure response).
*
* @param connection the MHD connection to handle
* @param deposit information about the deposit
* @return MHD result code
*/
int
TALER_MINT_db_execute_deposit (struct MHD_Connection *connection,
const struct Deposit *deposit);
/**
* Execute a /withdraw/status.
*
* @param connection the MHD connection to handle
* @param reserve_pub public key of the reserve to check
* @return MHD result code
*/
int
TALER_MINT_db_execute_withdraw_status (struct MHD_Connection *connection,
const struct GNUNET_CRYPTO_EddsaPublicKey *reserve_pub);
/**
* Execute a /withdraw/sign.
*
* @param connection the MHD connection to handle
* @param reserve public key of the reserve
* @param denomination_pub public key of the denomination requested
* @param blinded_msg blinded message to be signed
* @param blinded_msg_len number of bytes in @a blinded_msg
* @param signature signature over the withdraw request, to be stored in DB
* @return MHD result code
*/
int
TALER_MINT_db_execute_withdraw_sign (struct MHD_Connection *connection,
const struct GNUNET_CRYPTO_EddsaPublicKey *reserve,
const struct GNUNET_CRYPTO_rsa_PublicKey *denomination_pub,
const char *blinded_msg,
size_t blinded_msg_len,
const struct GNUNET_CRYPTO_EddsaSignature *signature);
/**
* Execute a /refresh/melt.
*
* @param connection the MHD connection to handle
* @param refresh_session_pub public key of the refresh session
* @param num_new_denoms number of entries in @a denom_pubs
* @param denum_pubs array of public denomination keys for the refresh (?)
* @param coin_count number of entries in @a coin_public_infos
* @param coin_public_infos information about the coins to melt
* @return MHD result code
*/
int
TALER_MINT_db_execute_refresh_melt (struct MHD_Connection *connection,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
unsigned int num_new_denoms,
struct GNUNET_CRYPTO_rsa_PublicKey *const*denom_pubs,
unsigned int coin_count,
const struct TALER_CoinPublicInfo *coin_public_infos);
/**
* Execute a /refresh/commit.
*
* @param connection the MHD connection to handle
* @param kappa size of x-dimension of @commit_coin and @commit_link arrays
* @param num_oldcoins size of y-dimension of @commit_coin array
* @param num_newcoins size of y-dimension of @commit_link array
* @param commit_coin
* @param commit_link
* @return MHD result code
*/
int
TALER_MINT_db_execute_refresh_commit (struct MHD_Connection *connection,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
unsigned int kappa,
unsigned int num_oldcoins,
unsigned int num_newcoins,
struct RefreshCommitCoin *const* commit_coin,
struct RefreshCommitLink *const* commit_link);
/**
* Execute a /refresh/reveal.
*
* @param connection the MHD connection to handle
* @param refresh_session_pub public key of the refresh session
* @param kappa size of x-dimension of @transfer_privs array plus one (!)
* @param num_oldcoins size of y-dimension of @transfer_privs array
* @param transfer_pubs array with the revealed transfer keys
* @return MHD result code
*/
int
TALER_MINT_db_execute_refresh_reveal (struct MHD_Connection *connection,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
unsigned int kappa,
unsigned int num_oldcoins,
struct GNUNET_CRYPTO_EcdsaPrivateKey *const*transfer_privs);
/**
* Execute a /refresh/link.
*
* @param connection the MHD connection to handle
* @param coin_pub public key of the coin to link
* @return MHD result code
*/
int
TALER_MINT_db_execute_refresh_link (struct MHD_Connection *connection,
const struct GNUNET_CRYPTO_EcdsaPublicKey *coin_pub);
#endif /* _NEURO_MINT_DB_H */
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