exchange/src/exchangedb/pg_aggregate.h
2022-11-14 07:35:56 -05:00

47 lines
1.7 KiB
C

/*
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 exchangedb/pg_aggregate.h
* @brief implementation of the aggregate function for Postgres
* @author Christian Grothoff
*/
#ifndef PG_AGGREGATE_H
#define PG_AGGREGATE_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Aggregate all matching deposits for @a h_payto and
* @a merchant_pub, returning the total amounts.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param h_payto destination of the wire transfer
* @param merchant_pub public key of the merchant
* @param wtid wire transfer ID to set for the aggregate
* @param[out] total set to the sum of the total deposits minus applicable deposit fees and refunds
* @return transaction status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_aggregate (
void *cls,
const struct TALER_PaytoHashP *h_payto,
const struct TALER_MerchantPublicKeyP *merchant_pub,
const struct TALER_WireTransferIdentifierRawP *wtid,
struct TALER_Amount *total);
#endif