diff options
Diffstat (limited to 'src/exchangedb/pg_select_wire_out_above_serial_id_by_account.c')
-rw-r--r-- | src/exchangedb/pg_select_wire_out_above_serial_id_by_account.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/exchangedb/pg_select_wire_out_above_serial_id_by_account.c b/src/exchangedb/pg_select_wire_out_above_serial_id_by_account.c new file mode 100644 index 000000000..08883c9a4 --- /dev/null +++ b/src/exchangedb/pg_select_wire_out_above_serial_id_by_account.c @@ -0,0 +1,162 @@ +/* + This file is part of TALER + Copyright (C) 2022 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ +/** + * @file exchangedb/pg_select_wire_out_above_serial_id_by_account.c + * @brief Implementation of the select_wire_out_above_serial_id_by_account function for Postgres + * @author Christian Grothoff + */ +#include "platform.h" +#include "taler_error_codes.h" +#include "taler_dbevents.h" +#include "taler_pq_lib.h" +#include "pg_select_wire_out_above_serial_id_by_account.h" +#include "pg_helper.h" + +/** + * Closure for #wire_out_serial_helper_cb(). + */ +struct WireOutSerialContext +{ + + /** + * Callback to call. + */ + TALER_EXCHANGEDB_WireTransferOutCallback cb; + + /** + * Closure for @e cb. + */ + void *cb_cls; + + /** + * Plugin context. + */ + struct PostgresClosure *pg; + + /** + * Status code, set to #GNUNET_SYSERR on hard errors. + */ + int status; +}; + + +/** + * Helper function to be called with the results of a SELECT statement + * that has returned @a num_results results. + * + * @param cls closure of type `struct WireOutSerialContext` + * @param result the postgres result + * @param num_results the number of results in @a result + */ +static void +wire_out_serial_helper_cb (void *cls, + PGresult *result, + unsigned int num_results) +{ + struct WireOutSerialContext *wosc = cls; + struct PostgresClosure *pg = wosc->pg; + + for (unsigned int i = 0; i<num_results; i++) + { + uint64_t rowid; + struct GNUNET_TIME_Timestamp date; + struct TALER_WireTransferIdentifierRawP wtid; + char *payto_uri; + struct TALER_Amount amount; + struct GNUNET_PQ_ResultSpec rs[] = { + GNUNET_PQ_result_spec_uint64 ("wireout_uuid", + &rowid), + GNUNET_PQ_result_spec_timestamp ("execution_date", + &date), + GNUNET_PQ_result_spec_auto_from_type ("wtid_raw", + &wtid), + GNUNET_PQ_result_spec_string ("payto_uri", + &payto_uri), + TALER_PQ_RESULT_SPEC_AMOUNT ("amount", + &amount), + GNUNET_PQ_result_spec_end + }; + int ret; + + if (GNUNET_OK != + GNUNET_PQ_extract_result (result, + rs, + i)) + { + GNUNET_break (0); + wosc->status = GNUNET_SYSERR; + return; + } + ret = wosc->cb (wosc->cb_cls, + rowid, + date, + &wtid, + payto_uri, + &amount); + GNUNET_PQ_cleanup_result (rs); + if (GNUNET_OK != ret) + break; + } +} + +enum GNUNET_DB_QueryStatus +TEH_PG_select_wire_out_above_serial_id_by_account ( + void *cls, + const char *account_name, + uint64_t serial_id, + TALER_EXCHANGEDB_WireTransferOutCallback cb, + void *cb_cls) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_uint64 (&serial_id), + GNUNET_PQ_query_param_string (account_name), + GNUNET_PQ_query_param_end + }; + struct WireOutSerialContext wosc = { + .cb = cb, + .cb_cls = cb_cls, + .pg = pg, + .status = GNUNET_OK + }; + enum GNUNET_DB_QueryStatus qs; + + /* Used in #postgres_select_wire_out_above_serial_id_by_account() */ + PREPARE (pg, + "audit_get_wire_incr_by_account", + "SELECT" + " wireout_uuid" + ",execution_date" + ",wtid_raw" + ",payto_uri" + ",amount_val" + ",amount_frac" + " FROM wire_out" + " JOIN wire_targets" + " USING (wire_target_h_payto)" + " WHERE " + " wireout_uuid>=$1 " + " AND exchange_account_section=$2" + " ORDER BY wireout_uuid ASC;"); + qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn, + "audit_get_wire_incr_by_account", + params, + &wire_out_serial_helper_cb, + &wosc); + if (GNUNET_OK != wosc.status) + return GNUNET_DB_STATUS_HARD_ERROR; + return qs; +} |