lookup_transfers.h (3673B)
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 src/include/merchant-database/lookup_transfers.h 18 * @brief implementation of the lookup_transfers function for Postgres 19 * @author Christian Grothoff 20 */ 21 #ifndef MERCHANT_DATABASE_LOOKUP_TRANSFERS_H 22 #define MERCHANT_DATABASE_LOOKUP_TRANSFERS_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 wire transfer. 31 * 32 * @param cls closure with a `json_t *` array to build up the response 33 * @param expected_credit_amount how we expect to see wired to the merchant (minus fees), NULL if unknown 34 * @param wtid wire transfer identifier 35 * @param payto_uri target account that received the wire transfer 36 * @param exchange_url base URL of the exchange that made the wire transfer 37 * @param transfer_serial_id serial number identifying the transfer in the backend 38 * @param expected_transfer_serial_id serial number identifying the expected transfer in the backend, 0 if not @a expected 39 * @param execution_time when did the exchange make the transfer, #GNUNET_TIME_UNIT_FOREVER_ABS 40 * if it did not yet happen 41 * @param expected true if the merchant acknowledged the wire transfer reception 42 */ 43 typedef void 44 (*TALER_MERCHANTDB_TransferCallback)( 45 void *cls, 46 const struct TALER_Amount *expected_credit_amount, 47 const struct TALER_WireTransferIdentifierRawP *wtid, 48 struct TALER_FullPayto payto_uri, 49 const char *exchange_url, 50 uint64_t transfer_serial_id, 51 uint64_t expected_transfer_serial_id, 52 struct GNUNET_TIME_Absolute execution_time, 53 bool expected); 54 55 /** 56 * Lookup transfers. Note that filtering by @a verified status is done 57 * outside of SQL, as we already have 8 prepared statements and adding 58 * a filter on verified would further double the number of statements for 59 * a likely rather ineffective filter. So we apply that filter in 60 * #lookup_transfers_cb(). 61 * 62 * @param pg database context 63 * @param instance_id instance to lookup payments for 64 * @param payto_uri account that we are interested in transfers to 65 * @param before timestamp for the earliest transfer we care about 66 * @param after timestamp for the last transfer we care about 67 * @param limit number of entries to return, negative for descending in execution time, 68 * positive for ascending in execution time 69 * @param offset transfer_serial number of the transfer we want to offset from 70 * @param expected filter for transfers that were expected 71 * @param cb function to call with detailed transfer data 72 * @param cb_cls closure for @a cb 73 * @return transaction status 74 */ 75 enum GNUNET_DB_QueryStatus 76 TALER_MERCHANTDB_lookup_transfers ( 77 struct TALER_MERCHANTDB_PostgresContext *pg, 78 const char *instance_id, 79 struct TALER_FullPayto payto_uri, 80 struct GNUNET_TIME_Timestamp before, 81 struct GNUNET_TIME_Timestamp after, 82 int64_t limit, 83 uint64_t offset, 84 enum TALER_EXCHANGE_YesNoAll expected, 85 TALER_MERCHANTDB_TransferCallback cb, 86 void *cb_cls); 87 88 #endif