86 lines
3.3 KiB
C
86 lines
3.3 KiB
C
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/*
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This file is part of TALER
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Copyright (C) 2022 Taler Systems SA
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* @file exchangedb/pg_get_withdraw_info.c
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* @brief Implementation of the get_withdraw_info function for Postgres
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* @author Christian Grothoff
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*/
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#include "platform.h"
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#include "taler_error_codes.h"
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#include "taler_dbevents.h"
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#include "taler_pq_lib.h"
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#include "pg_get_withdraw_info.h"
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#include "pg_helper.h"
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enum GNUNET_DB_QueryStatus
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TEH_PG_get_withdraw_info (
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void *cls,
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const struct TALER_BlindedCoinHashP *bch,
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struct TALER_EXCHANGEDB_CollectableBlindcoin *collectable)
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{
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struct PostgresClosure *pg = cls;
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struct GNUNET_PQ_QueryParam params[] = {
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GNUNET_PQ_query_param_auto_from_type (bch),
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GNUNET_PQ_query_param_end
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};
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struct GNUNET_PQ_ResultSpec rs[] = {
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GNUNET_PQ_result_spec_auto_from_type ("denom_pub_hash",
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&collectable->denom_pub_hash),
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TALER_PQ_result_spec_blinded_denom_sig ("denom_sig",
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&collectable->sig),
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GNUNET_PQ_result_spec_auto_from_type ("reserve_sig",
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&collectable->reserve_sig),
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GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
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&collectable->reserve_pub),
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GNUNET_PQ_result_spec_auto_from_type ("h_blind_ev",
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&collectable->h_coin_envelope),
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TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
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&collectable->amount_with_fee),
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TALER_PQ_RESULT_SPEC_AMOUNT ("fee_withdraw",
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&collectable->withdraw_fee),
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GNUNET_PQ_result_spec_end
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};
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/* Used in #postgres_get_withdraw_info() to
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locate the response for a /reserve/withdraw request
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using the hash of the blinded message. Used to
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make sure /reserve/withdraw requests are idempotent. */
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PREPARE (pg,
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"get_withdraw_info",
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"SELECT"
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" denom.denom_pub_hash"
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",denom_sig"
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",reserve_sig"
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",reserves.reserve_pub"
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",execution_date"
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",h_blind_ev"
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",amount_with_fee_val"
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",amount_with_fee_frac"
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",denom.fee_withdraw_val"
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",denom.fee_withdraw_frac"
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" FROM reserves_out"
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" JOIN reserves"
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" USING (reserve_uuid)"
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" JOIN denominations denom"
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" USING (denominations_serial)"
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" WHERE h_blind_ev=$1;");
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return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
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"get_withdraw_info",
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params,
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rs);
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}
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