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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 exchangedb/pg_have_deposit2.c
* @brief Implementation of the have_deposit2 function for Postgres
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_error_codes.h"
#include "taler_dbevents.h"
#include "taler_pq_lib.h"
#include "pg_have_deposit2.h"
#include "pg_helper.h"
enum GNUNET_DB_QueryStatus
TEH_PG_have_deposit2 (
void *cls,
const struct TALER_PrivateContractHashP *h_contract_terms,
const struct TALER_MerchantWireHashP *h_wire,
const struct TALER_CoinSpendPublicKeyP *coin_pub,
const struct TALER_MerchantPublicKeyP *merchant,
struct GNUNET_TIME_Timestamp refund_deadline,
struct TALER_Amount *deposit_fee,
struct GNUNET_TIME_Timestamp *exchange_timestamp)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (coin_pub),
GNUNET_PQ_query_param_auto_from_type (h_contract_terms),
GNUNET_PQ_query_param_auto_from_type (merchant),
GNUNET_PQ_query_param_end
};
struct TALER_EXCHANGEDB_Deposit deposit2;
struct GNUNET_PQ_ResultSpec rs[] = {
TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
&deposit2.amount_with_fee),
GNUNET_PQ_result_spec_timestamp ("wallet_timestamp",
&deposit2.timestamp),
GNUNET_PQ_result_spec_timestamp ("exchange_timestamp",
exchange_timestamp),
GNUNET_PQ_result_spec_timestamp ("refund_deadline",
&deposit2.refund_deadline),
GNUNET_PQ_result_spec_timestamp ("wire_deadline",
&deposit2.wire_deadline),
TALER_PQ_RESULT_SPEC_AMOUNT ("fee_deposit",
deposit_fee),
GNUNET_PQ_result_spec_auto_from_type ("wire_salt",
&deposit2.wire_salt),
GNUNET_PQ_result_spec_string ("receiver_wire_account",
&deposit2.receiver_wire_account),
GNUNET_PQ_result_spec_end
};
enum GNUNET_DB_QueryStatus qs;
struct TALER_MerchantWireHashP h_wire2;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Getting deposits for coin %s\n",
TALER_B2S (coin_pub));
/* Fetch an existing deposit request, used to ensure idempotency
during /deposit processing. Used in #postgres_have_deposit(). */
PREPARE (pg,
"get_deposit",
"SELECT"
" dep.amount_with_fee_val"
",dep.amount_with_fee_frac"
",denominations.fee_deposit_val"
",denominations.fee_deposit_frac"
",dep.wallet_timestamp"
",dep.exchange_timestamp"
",dep.refund_deadline"
",dep.wire_deadline"
",dep.h_contract_terms"
",dep.wire_salt"
",wt.payto_uri AS receiver_wire_account"
" FROM deposits dep"
" JOIN known_coins kc ON (kc.coin_pub = dep.coin_pub)"
" JOIN denominations USING (denominations_serial)"
" JOIN wire_targets wt USING (wire_target_h_payto)"
" WHERE dep.coin_pub=$1"
" AND dep.merchant_pub=$3"
" AND dep.h_contract_terms=$2;");
qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
"get_deposit",
params,
rs);
if (0 >= qs)
return qs;
TALER_merchant_wire_signature_hash (deposit2.receiver_wire_account,
&deposit2.wire_salt,
&h_wire2);
GNUNET_free (deposit2.receiver_wire_account);
/* Now we check that the other information in @a deposit
also matches, and if not report inconsistencies. */
if ( (GNUNET_TIME_timestamp_cmp (refund_deadline,
!=,
deposit2.refund_deadline)) ||
(0 != GNUNET_memcmp (h_wire,
&h_wire2) ) )
{
/* Inconsistencies detected! Does not match! */
return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
}
return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
}
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