insert_issued_token.c (2722B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2024, 2025 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 src/backenddb/insert_issued_token.c 18 * @brief Implementation of the insert_issued_token function for Postgres 19 * @author Christian Grothoff 20 */ 21 #include "platform.h" 22 #include <taler/taler_pq_lib.h> 23 #include "merchant-database/insert_issued_token.h" 24 #include "helper.h" 25 26 27 enum GNUNET_DB_QueryStatus 28 TALER_MERCHANTDB_insert_issued_token ( 29 struct TALER_MERCHANTDB_PostgresContext *pg, 30 const struct TALER_PrivateContractHashP *h_contract_terms, 31 const struct TALER_TokenIssuePublicKeyHashP *h_issue_pub, 32 const struct TALER_BlindedTokenIssueSignature *blind_sig, 33 bool *no_family) 34 { 35 struct GNUNET_PQ_QueryParam params[] = { 36 GNUNET_PQ_query_param_auto_from_type (h_issue_pub), 37 (NULL == h_contract_terms) 38 ? GNUNET_PQ_query_param_null () 39 : GNUNET_PQ_query_param_auto_from_type (h_contract_terms), 40 GNUNET_PQ_query_param_blinded_sig (blind_sig->signature), 41 GNUNET_PQ_query_param_end 42 }; 43 bool no_fam = false; 44 bool existed = false; 45 struct GNUNET_PQ_ResultSpec rs[] = { 46 GNUNET_PQ_result_spec_bool ("out_no_family", 47 &no_fam), 48 GNUNET_PQ_result_spec_bool ("out_existed", 49 &existed), 50 GNUNET_PQ_result_spec_end 51 }; 52 enum GNUNET_DB_QueryStatus qs; 53 54 GNUNET_assert (NULL != pg->current_merchant_id); 55 TMH_PQ_prepare_anon (pg, 56 "SELECT" 57 " out_no_family" 58 " ,out_existed" 59 " FROM merchant_do_insert_issued_token" 60 " ($1, $2, $3);"); 61 qs = GNUNET_PQ_eval_prepared_singleton_select ( 62 pg->conn, 63 "", 64 params, 65 rs); 66 *no_family = false; 67 if (qs <= 0) 68 return qs; 69 if (no_fam) 70 { 71 /* The token family (key) was deleted after the order was created; 72 this is a client-visible conflict, not an internal failure. */ 73 *no_family = true; 74 return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS; 75 } 76 if (existed) 77 return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS; 78 return qs; 79 }