lookup_spent_tokens_by_order.h (2369B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2024 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/include/merchant-database/lookup_spent_tokens_by_order.h 18 * @brief implementation of the lookup_spent_tokens_by_order function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef MERCHANT_DATABASE_LOOKUP_SPENT_TOKENS_BY_ORDER_H 22 #define MERCHANT_DATABASE_LOOKUP_SPENT_TOKENS_BY_ORDER_H 23 24 #include <taler/taler_util.h> 25 #include <taler/taler_json_lib.h> 26 #include "merchantdb_lib.h" 27 28 29 /** 30 * Function called with information about a token that was used. 31 * 32 * @param cls closure 33 * @param spent_token_serial which used token is this about 34 * @param h_contract_terms hash of the contract terms this token was used on 35 * @param h_issue_pub hash of the token issue public key 36 * @param use_pub token use public key 37 * @param use_sig token use signature 38 * @param issue_sig unblinded token issue signature 39 */ 40 typedef void 41 (*TALER_MERCHANTDB_UsedTokensCallback)( 42 void *cls, 43 uint64_t spent_token_serial, 44 const struct TALER_PrivateContractHashP *h_contract_terms, 45 const struct TALER_TokenIssuePublicKeyHashP *h_issue_pub, 46 const struct TALER_TokenUsePublicKeyP *use_pub, 47 const struct TALER_TokenUseSignatureP *use_sig, 48 const struct TALER_TokenIssueSignature *issue_sig); 49 50 /** 51 * Retrieve details about tokens that were used for an order. 52 * 53 * @param pg database context 54 * @param order_serial identifies the order 55 * @param cb function to call for each used token 56 * @param cb_cls closure for @a cb 57 * @return transaction status 58 */ 59 enum GNUNET_DB_QueryStatus 60 TALER_MERCHANTDB_lookup_spent_tokens_by_order ( 61 struct TALER_MERCHANTDB_PostgresContext *pg, 62 uint64_t order_serial, 63 TALER_MERCHANTDB_UsedTokensCallback cb, 64 void *cb_cls); 65 66 67 #endif