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/*
This file is part of TALER
Copyright (C) 2024 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/>
*/
#include "platform.h"
#include "taler_error_codes.h"
#include "taler_dbevents.h"
#include "taler_pq_lib.h"
#include "pg_helper.h"
#include "pg_get_amount_arithmetic_inconsistency.h"
/**
* Closure for #deposit_confirmation_cb().
*/
struct AmountArithmeticInconsistencyContext
{
/**
* Function to call for each deposit confirmation.
*/
TALER_AUDITORDB_AmountArithmeticInconsistencyCallback cb;
/**
* Closure for @e cb
*/
void *cb_cls;
/**
* Plugin context.
*/
struct PostgresClosure *pg;
/**
* Query status to return.
*/
enum GNUNET_DB_QueryStatus qs;
};
/**
* Helper function for #TAH_PG_get_deposit_confirmations().
* To be called with the results of a SELECT statement
* that has returned @a num_results results.
*
* @param cls closure of type `struct DepositConfirmationContext *`
* @param result the postgres result
* @param num_results the number of results in @a result
*/
static void
amount_arithmetic_inconsistency_cb (void *cls,
PGresult *result,
unsigned int num_results)
{
struct AmountArithmeticInconsistencyContext *dcc = cls;
struct PostgresClosure *pg = dcc->pg;
for (unsigned int i = 0; i < num_results; i++)
{
uint64_t serial_id;
struct TALER_AUDITORDB_AmountArithmeticInconsistency dc;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_uint64 ("row_id",
&serial_id),
// TODO: what type is this exactly
GNUNET_PQ_result_spec_string ("operation",
&dc.operation),
TALER_PQ_RESULT_SPEC_AMOUNT ("exchange_amount",
&dc.exchange_amount),
TALER_PQ_RESULT_SPEC_AMOUNT ("auditor_amount",
&dc.auditor_amount),
GNUNET_PQ_result_spec_bool ("profitable",
&dc.profitable),
GNUNET_PQ_result_spec_end
};
enum GNUNET_GenericReturnValue rval;
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rs,
i))
{
GNUNET_break (0);
dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
return;
}
dcc->qs = i + 1;
rval = dcc->cb (dcc->cb_cls,
serial_id,
&dc);
GNUNET_PQ_cleanup_result (rs);
if (GNUNET_OK != rval)
break;
}
}
enum GNUNET_DB_QueryStatus
TAH_PG_get_amount_arithmetic_inconsistency (
void *cls,
int64_t limit,
uint64_t offset,
bool return_suppressed, // maybe not needed
TALER_AUDITORDB_AmountArithmeticInconsistencyCallback cb,
void *cb_cls)
{
uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_uint64 (&offset),
GNUNET_PQ_query_param_bool (return_suppressed),
GNUNET_PQ_query_param_uint64 (&plimit),
GNUNET_PQ_query_param_end
};
struct AmountArithmeticInconsistencyContext dcc = {
.cb = cb,
.cb_cls = cb_cls,
.pg = pg
};
enum GNUNET_DB_QueryStatus qs;
PREPARE (pg,
"auditor_amount_arithmetic_inconsistency_select_desc",
"SELECT"
" row_id"
",operation"
",exchange_amount"
",auditor_amount"
",profitable"
" FROM auditor_amount_arithmetic_inconsistency"
" WHERE (row_id<$1)"
" AND ($2 OR suppressed is false)"
" ORDER BY row_id DESC"
" LIMIT $3"
);
PREPARE (pg,
"auditor_amount_arithmetic_inconsistency_select_asc",
"SELECT"
" row_id"
",operation"
",exchange_amount"
",auditor_amount"
",profitable"
" FROM auditor_amount_arithmetic_inconsistency"
" WHERE (row_id>$1)"
" AND ($2 OR suppressed is false)"
" ORDER BY row_id ASC"
" LIMIT $3"
);
qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn,
(limit > 0) ?
"auditor_amount_arithmetic_inconsistency_select_asc"
:
"auditor_amount_arithmetic_inconsistency_select_desc",
params,
&amount_arithmetic_inconsistency_cb,
&dcc);
if (qs > 0)
return dcc.qs;
GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
return qs;
}
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