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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 exchangedb/pg_get_purse_deposit.c 18 : * @brief Implementation of the get_purse_deposit function for Postgres 19 : * @author Christian Grothoff 20 : */ 21 : #include "platform.h" 22 : #include "taler_error_codes.h" 23 : #include "taler_dbevents.h" 24 : #include "taler_pq_lib.h" 25 : #include "pg_get_purse_deposit.h" 26 : #include "pg_helper.h" 27 : 28 : enum GNUNET_DB_QueryStatus 29 0 : TEH_PG_get_purse_deposit ( 30 : void *cls, 31 : const struct TALER_PurseContractPublicKeyP *purse_pub, 32 : const struct TALER_CoinSpendPublicKeyP *coin_pub, 33 : struct TALER_Amount *amount, 34 : struct TALER_DenominationHashP *h_denom_pub, 35 : struct TALER_AgeCommitmentHash *phac, 36 : struct TALER_CoinSpendSignatureP *coin_sig, 37 : char **partner_url) 38 : { 39 0 : struct PostgresClosure *pg = cls; 40 0 : struct GNUNET_PQ_QueryParam params[] = { 41 0 : GNUNET_PQ_query_param_auto_from_type (purse_pub), 42 0 : GNUNET_PQ_query_param_auto_from_type (coin_pub), 43 : GNUNET_PQ_query_param_end 44 : }; 45 : bool is_null; 46 0 : struct GNUNET_PQ_ResultSpec rs[] = { 47 0 : GNUNET_PQ_result_spec_auto_from_type ("denom_pub_hash", 48 : h_denom_pub), 49 0 : GNUNET_PQ_result_spec_auto_from_type ("age_commitment_hash", 50 : phac), 51 0 : GNUNET_PQ_result_spec_auto_from_type ("coin_sig", 52 : coin_sig), 53 0 : TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee", 54 : amount), 55 0 : GNUNET_PQ_result_spec_allow_null ( 56 : GNUNET_PQ_result_spec_string ("partner_base_url", 57 : partner_url), 58 : &is_null), 59 : GNUNET_PQ_result_spec_end 60 : }; 61 : 62 0 : *partner_url = NULL; 63 0 : PREPARE (pg, 64 : "select_purse_deposit_by_coin_pub", 65 : "SELECT " 66 : " coin_sig" 67 : ",amount_with_fee" 68 : ",denom_pub_hash" 69 : ",age_commitment_hash" 70 : ",partner_base_url" 71 : " FROM purse_deposits" 72 : " LEFT JOIN partners" 73 : " USING (partner_serial_id)" 74 : " JOIN known_coins kc" 75 : " USING (coin_pub)" 76 : " JOIN denominations" 77 : " USING (denominations_serial)" 78 : " WHERE purse_pub=$1" 79 : " AND coin_pub=$2;"); 80 0 : return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 81 : "select_purse_deposit_by_coin_pub", 82 : params, 83 : rs); 84 : }