100 lines
3.8 KiB
C
100 lines
3.8 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_get_denomination_info.c
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* @brief Implementation of the get_denomination_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_denomination_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_denomination_info (
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void *cls,
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const struct TALER_DenominationHashP *denom_pub_hash,
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struct TALER_EXCHANGEDB_DenominationKeyInformation *issue)
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{
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struct PostgresClosure *pg = cls;
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enum GNUNET_DB_QueryStatus qs;
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struct GNUNET_PQ_QueryParam params[] = {
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GNUNET_PQ_query_param_auto_from_type (denom_pub_hash),
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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 ("master_sig",
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&issue->signature),
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GNUNET_PQ_result_spec_timestamp ("valid_from",
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&issue->start),
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GNUNET_PQ_result_spec_timestamp ("expire_withdraw",
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&issue->expire_withdraw),
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GNUNET_PQ_result_spec_timestamp ("expire_deposit",
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&issue->expire_deposit),
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GNUNET_PQ_result_spec_timestamp ("expire_legal",
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&issue->expire_legal),
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TALER_PQ_RESULT_SPEC_AMOUNT ("coin",
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&issue->value),
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TALER_PQ_RESULT_SPEC_AMOUNT ("fee_withdraw",
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&issue->fees.withdraw),
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TALER_PQ_RESULT_SPEC_AMOUNT ("fee_deposit",
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&issue->fees.deposit),
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TALER_PQ_RESULT_SPEC_AMOUNT ("fee_refresh",
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&issue->fees.refresh),
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TALER_PQ_RESULT_SPEC_AMOUNT ("fee_refund",
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&issue->fees.refund),
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GNUNET_PQ_result_spec_uint32 ("age_mask",
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&issue->age_mask.bits),
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GNUNET_PQ_result_spec_end
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};
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/* Used in #postgres_get_denomination_info() */
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PREPARE (pg,
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"denomination_get",
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"SELECT"
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" master_sig"
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",valid_from"
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",expire_withdraw"
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",expire_deposit"
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",expire_legal"
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",coin_val" /* value of this denom */
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",coin_frac" /* fractional value of this denom */
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",fee_withdraw_val"
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",fee_withdraw_frac"
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",fee_deposit_val"
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",fee_deposit_frac"
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",fee_refresh_val"
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",fee_refresh_frac"
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",fee_refund_val"
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",fee_refund_frac"
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",age_mask"
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" FROM denominations"
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" WHERE denom_pub_hash=$1;");
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qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
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"denomination_get",
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params,
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rs);
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if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs)
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return qs;
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issue->denom_hash = *denom_pub_hash;
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return qs;
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}
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