get_denomination_balance.c (2348B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2022 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along with 14 TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file get_denomination_balance.c 18 * @brief Low-level (statement-level) Postgres database access for the exchange 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "auditor-database/get_denomination_balance.h" 23 #include "pg_helper.h" 24 25 26 enum GNUNET_DB_QueryStatus 27 TALER_AUDITORDB_get_denomination_balance ( 28 struct TALER_AUDITORDB_PostgresContext *pg, 29 const struct TALER_DenominationHashP *denom_pub_hash, 30 struct TALER_AUDITORDB_DenominationCirculationData *dcd) 31 { 32 struct GNUNET_PQ_QueryParam params[] = { 33 GNUNET_PQ_query_param_auto_from_type (denom_pub_hash), 34 GNUNET_PQ_query_param_end 35 }; 36 struct GNUNET_PQ_ResultSpec rs[] = { 37 TALER_PQ_RESULT_SPEC_AMOUNT ("denom_balance", 38 &dcd->denom_balance), 39 TALER_PQ_RESULT_SPEC_AMOUNT ("denom_loss", 40 &dcd->denom_loss), 41 TALER_PQ_RESULT_SPEC_AMOUNT ("denom_risk", 42 &dcd->denom_risk), 43 TALER_PQ_RESULT_SPEC_AMOUNT ("recoup_loss", 44 &dcd->recoup_loss), 45 GNUNET_PQ_result_spec_uint64 ("num_issued", 46 &dcd->num_issued), 47 GNUNET_PQ_result_spec_end 48 }; 49 50 PREPARE (pg, 51 "auditor_denomination_pending_select", 52 "SELECT" 53 " denom_balance" 54 ",denom_loss" 55 ",num_issued" 56 ",denom_risk" 57 ",recoup_loss" 58 " FROM auditor_denomination_pending" 59 " WHERE denom_pub_hash=$1"); 60 return GNUNET_PQ_eval_prepared_singleton_select ( 61 pg->conn, 62 "auditor_denomination_pending_select", 63 params, 64 rs); 65 }