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/*
This file is part of TALER
Copyright (C) 2022 Taler Systems SA
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 backenddb/pg_authorize_reward.h
* @brief implementation of the authorize_reward function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_AUTHORIZE_REWARD_H
#define PG_AUTHORIZE_REWARD_H
#include <taler/taler_util.h>
#include <taler/taler_json_lib.h>
#include "taler_merchantdb_plugin.h"
/**
* Authorize a reward over @a amount from reserve @a reserve_pub. Remember
* the authorization under @a reward_id for later, together with the
* @a justification.
*
* @param cls closure, typically a connection to the db
* @param instance_id which instance should generate the reward
* @param reserve_pub which reserve is debited, NULL to pick one in the DB
* @param amount how high is the reward (with fees)
* @param justification why was the reward approved
* @param next_url where to send the URL post reward pickup
* @param[out] reward_id set to the unique ID for the reward
* @param[out] expiration set to when the reward expires
* @return transaction status,
* #TALER_EC_MERCHANT_PRIVATE_POST_REWARD_AUTHORIZE_RESERVE_EXPIRED if the reserve is known but has expired
* #TALER_EC_MERCHANT_PRIVATE_POST_REWARD_AUTHORIZE_RESERVE_NOT_FOUND if the reserve is not known
* #TALER_EC_MERCHANT_PRIVATE_POST_REWARD_AUTHORIZE_INSUFFICIENT_FUNDS if the reserve has insufficient funds left
* #TALER_EC_GENERIC_DB_START_FAILED on hard DB errors
* #TALER_EC_GENERIC_DB_FETCH_FAILED on hard DB errors
* #TALER_EC_GENERIC_DB_STORE_FAILED on hard DB errors
* #TALER_EC_GENERIC_DB_INVARIANT_FAILURE on hard DB errors
* #TALER_EC_GENERIC_DB_SOFT_FAILURE soft DB errors (client should retry)
* #TALER_EC_NONE upon success
*/
enum TALER_ErrorCode
TMH_PG_authorize_reward (void *cls,
const char *instance_id,
const struct TALER_ReservePublicKeyP *reserve_pub,
const struct TALER_Amount *amount,
const char *justification,
const char *next_url,
struct TALER_RewardIdentifierP *reward_id,
struct GNUNET_TIME_Timestamp *expiration);
#endif
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