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/*
This file is part of TALER
Copyright (C) 2022, 2023 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 pg_get_coin_transactions.h
* @brief implementation of the get_coin_transactions function
* @author Christian Grothoff
*/
#ifndef PG_GET_COIN_TRANSACTIONS_H
#define PG_GET_COIN_TRANSACTIONS_H
#include "taler_util.h"
#include "taler_json_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* Compile a list of (historic) transactions performed with the given coin
* (melt, refund, recoup and deposit operations). Should return 0 if the @a
* coin_pub is unknown, otherwise determine @a etag_out and if it is past @a
* etag_in return the history after @a start_off. @a etag_out should be set
* to the last row ID of the given @a coin_pub in the coin history table.
*
* @param cls the @e cls of this struct with the plugin-specific state
* @param coin_pub coin to investigate
* @param start_off starting offset from which on to return entries
* @param etag_in up to this offset the client already has a response, do not
* return anything unless @a etag_out will be larger
* @param[out] etag_out set to the latest history offset known for this @a coin_pub
* @param[out] balance set to current balance of the coin
* @param[out] h_denom_pub set to denomination public key of the coin
* @param[out] tlp set to list of transactions, set to NULL if coin has no
* transaction history past @a start_off or if @a etag_in is equal
* to the value written to @a etag_out.
* @return database transaction status
*/
enum GNUNET_DB_QueryStatus
TEH_PG_get_coin_transactions (
void *cls,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
uint64_t start_off,
uint64_t etag_in,
uint64_t *etag_out,
struct TALER_Amount *balance,
struct TALER_DenominationHashP *h_denom_pub,
struct TALER_EXCHANGEDB_TransactionList **tlp);
#endif
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