92 lines
3.5 KiB
C
92 lines
3.5 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_global_fee.c
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* @brief Implementation of the get_global_fee 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_global_fee.h"
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#include "pg_helper.h"
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enum GNUNET_DB_QueryStatus
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TEH_PG_get_global_fee (void *cls,
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struct GNUNET_TIME_Timestamp date,
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struct GNUNET_TIME_Timestamp *start_date,
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struct GNUNET_TIME_Timestamp *end_date,
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struct TALER_GlobalFeeSet *fees,
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struct GNUNET_TIME_Relative *purse_timeout,
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struct GNUNET_TIME_Relative *history_expiration,
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uint32_t *purse_account_limit,
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struct TALER_MasterSignatureP *master_sig)
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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_timestamp (&date),
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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_timestamp ("start_date",
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start_date),
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GNUNET_PQ_result_spec_timestamp ("end_date",
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end_date),
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TALER_PQ_RESULT_SPEC_AMOUNT ("history_fee",
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&fees->history),
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TALER_PQ_RESULT_SPEC_AMOUNT ("account_fee",
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&fees->account),
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TALER_PQ_RESULT_SPEC_AMOUNT ("purse_fee",
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&fees->purse),
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GNUNET_PQ_result_spec_relative_time ("purse_timeout",
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purse_timeout),
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GNUNET_PQ_result_spec_relative_time ("history_expiration",
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history_expiration),
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GNUNET_PQ_result_spec_uint32 ("purse_account_limit",
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purse_account_limit),
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GNUNET_PQ_result_spec_auto_from_type ("master_sig",
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master_sig),
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GNUNET_PQ_result_spec_end
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};
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/* Used in #postgres_get_global_fee() */
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PREPARE (pg,
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"get_global_fee",
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"SELECT "
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" start_date"
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",end_date"
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",history_fee_val"
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",history_fee_frac"
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",account_fee_val"
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",account_fee_frac"
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",purse_fee_val"
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",purse_fee_frac"
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",purse_timeout"
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",history_expiration"
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",purse_account_limit"
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",master_sig"
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" FROM global_fee"
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" WHERE start_date <= $1"
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" AND end_date > $1;");
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return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
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"get_global_fee",
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params,
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rs);
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}
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