91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
/*
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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_do_refund.c
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* @brief Implementation of the do_refund 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_do_refund.h"
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#include "pg_helper.h"
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#include "pg_compute_shard.h"
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enum GNUNET_DB_QueryStatus
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TEH_PG_do_refund (
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void *cls,
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const struct TALER_EXCHANGEDB_Refund *refund,
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const struct TALER_Amount *deposit_fee,
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uint64_t known_coin_id,
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bool *not_found,
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bool *refund_ok,
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bool *gone,
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bool *conflict)
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{
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struct PostgresClosure *pg = cls;
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uint64_t deposit_shard = TEH_PG_compute_shard (&refund->details.merchant_pub);
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struct TALER_Amount amount_without_fee;
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struct GNUNET_PQ_QueryParam params[] = {
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TALER_PQ_query_param_amount (&refund->details.refund_amount),
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TALER_PQ_query_param_amount (&amount_without_fee),
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TALER_PQ_query_param_amount (deposit_fee),
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GNUNET_PQ_query_param_auto_from_type (&refund->details.h_contract_terms),
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GNUNET_PQ_query_param_uint64 (&refund->details.rtransaction_id),
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GNUNET_PQ_query_param_uint64 (&deposit_shard),
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GNUNET_PQ_query_param_uint64 (&known_coin_id),
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GNUNET_PQ_query_param_auto_from_type (&refund->coin.coin_pub),
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GNUNET_PQ_query_param_auto_from_type (&refund->details.merchant_pub),
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GNUNET_PQ_query_param_auto_from_type (&refund->details.merchant_sig),
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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_bool ("not_found",
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not_found),
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GNUNET_PQ_result_spec_bool ("refund_ok",
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refund_ok),
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GNUNET_PQ_result_spec_bool ("gone",
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gone),
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GNUNET_PQ_result_spec_bool ("conflict",
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conflict),
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GNUNET_PQ_result_spec_end
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};
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if (0 >
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TALER_amount_subtract (&amount_without_fee,
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&refund->details.refund_amount,
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&refund->details.refund_fee))
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{
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GNUNET_break (0);
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return GNUNET_DB_STATUS_HARD_ERROR;
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}
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/* Used in #postgres_do_refund() to refund a deposit. */
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PREPARE (pg,
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"call_refund",
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"SELECT "
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" out_not_found AS not_found"
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",out_refund_ok AS refund_ok"
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",out_gone AS gone"
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",out_conflict AS conflict"
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" FROM exchange_do_refund"
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" ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13);");
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return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
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"call_refund",
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params,
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rs);
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}
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