iterate_legitimization_outcomes_above_serial_id.h (3850B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2026 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/exchange-database/iterate_legitimization_outcomes_above_serial_id.h 18 * @brief implementation of the iterate_legitimization_outcomes_above_serial_id function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef EXCHANGE_DATABASE_ITERATE_LEGITIMIZATION_OUTCOMES_ABOVE_SERIAL_ID_H 22 #define EXCHANGE_DATABASE_ITERATE_LEGITIMIZATION_OUTCOMES_ABOVE_SERIAL_ID_H 23 24 #include "taler/taler_util.h" 25 #include "taler/taler_json_lib.h" 26 #include "exchangedb_lib.h" 27 28 29 #ifndef TALER_EXCHANGEDB_LEGITIMIZATION_OUTCOME_RESULT_CLOSURE 30 /** 31 * Type of the closure for #TALER_EXCHANGEDB_LegitimizationOutcomeCallback. 32 */ 33 #define TALER_EXCHANGEDB_LEGITIMIZATION_OUTCOME_RESULT_CLOSURE void 34 #endif 35 36 /* Callback typedefs */ 37 /** 38 * Function called with a legitimization outcome, together with the three 39 * things that could have brought it about. The flags are facts about the 40 * database, not a verdict: which combinations of them an honest exchange can 41 * produce is for the caller to decide. 42 * 43 * @param cls closure 44 * @param rowid unique serial ID of the entry in legitimization_outcomes 45 * @param h_payto normalized payto hash of the account the outcome is about 46 * @param decision_time when the outcome was decided, as claimed 47 * @param expiration_time when the outcome expires and its successor measure 48 * is due 49 * @param has_aml_decision true if an `aml_history` row points at this 50 * outcome, that is, an AML officer signed it 51 * @param has_legitimization_process true if the account had a legitimization 52 * process that had started by @a decision_time, that is, the outcome 53 * could be an AML program's verdict on a check the customer went 54 * through 55 * @param has_expired_predecessor true if an earlier outcome for the same 56 * account had expired by @a decision_time, that is, the outcome could 57 * be the successor measure that expiry called for 58 * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop 59 */ 60 typedef enum GNUNET_GenericReturnValue 61 (*TALER_EXCHANGEDB_LegitimizationOutcomeCallback)( 62 TALER_EXCHANGEDB_LEGITIMIZATION_OUTCOME_RESULT_CLOSURE *cls, 63 uint64_t rowid, 64 const struct TALER_NormalizedPaytoHashP *h_payto, 65 struct GNUNET_TIME_Timestamp decision_time, 66 struct GNUNET_TIME_Timestamp expiration_time, 67 bool has_aml_decision, 68 bool has_legitimization_process, 69 bool has_expired_predecessor); 70 71 72 /** 73 * Select legitimization outcomes above @a serial_id in monotonically 74 * increasing order, each with flags saying what in the database could 75 * account for it. 76 * 77 * @param pg the database context 78 * @param serial_id lowest serial ID to include (the row itself is returned, 79 * so callers resuming from a progress point pass last seen + 1) 80 * @param cb function to call on each result 81 * @param cb_cls closure for @a cb 82 * @return transaction status code 83 */ 84 enum GNUNET_DB_QueryStatus 85 TALER_EXCHANGEDB_iterate_legitimization_outcomes_above_serial_id ( 86 struct TALER_EXCHANGEDB_PostgresContext *pg, 87 uint64_t serial_id, 88 TALER_EXCHANGEDB_LegitimizationOutcomeCallback cb, 89 TALER_EXCHANGEDB_LEGITIMIZATION_OUTCOME_RESULT_CLOSURE *cb_cls); 90 91 #endif