diff options
Diffstat (limited to 'src/exchangedb/pg_select_batch_deposits_missing_wire.c')
-rw-r--r-- | src/exchangedb/pg_select_batch_deposits_missing_wire.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/exchangedb/pg_select_batch_deposits_missing_wire.c b/src/exchangedb/pg_select_batch_deposits_missing_wire.c new file mode 100644 index 000000000..8f966326a --- /dev/null +++ b/src/exchangedb/pg_select_batch_deposits_missing_wire.c @@ -0,0 +1,144 @@ +/* + This file is part of TALER + Copyright (C) 2022-2023 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_batch_deposits_missing_wire.c + * @brief Implementation of the select_batch_deposits_missing_wire 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_batch_deposits_missing_wire.h" +#include "pg_helper.h" + +/** + * Closure for #missing_wire_cb(). + */ +struct MissingWireContext +{ + /** + * Function to call per result. + */ + TALER_EXCHANGEDB_WireMissingCallback cb; + + /** + * Closure for @e cb. + */ + void *cb_cls; + + /** + * Plugin context. + */ + struct PostgresClosure *pg; + + /** + * Set to #GNUNET_SYSERR on error. + */ + enum GNUNET_GenericReturnValue status; +}; + + +/** + * Invoke the callback for each result. + * + * @param cls a `struct MissingWireContext *` + * @param result SQL result + * @param num_results number of rows in @a result + */ +static void +missing_wire_cb (void *cls, + PGresult *result, + unsigned int num_results) +{ + struct MissingWireContext *mwc = cls; + struct PostgresClosure *pg = mwc->pg; + + for (unsigned int i = 0; i<num_results; i++) + { + uint64_t batch_deposit_serial_id; + struct GNUNET_TIME_Timestamp deadline; + struct TALER_PaytoHashP wire_target_h_payto; + struct TALER_Amount total_amount; + struct GNUNET_PQ_ResultSpec rs[] = { + GNUNET_PQ_result_spec_uint64 ("batch_deposit_serial_id", + &batch_deposit_serial_id), + GNUNET_PQ_result_spec_auto_from_type ("wire_target_h_payto", + &wire_target_h_payto), + GNUNET_PQ_result_spec_timestamp ("deadline", + &deadline), + TALER_PQ_RESULT_SPEC_AMOUNT ("total_amount", + &total_amount), + GNUNET_PQ_result_spec_end + }; + + if (GNUNET_OK != + GNUNET_PQ_extract_result (result, + rs, + i)) + { + GNUNET_break (0); + mwc->status = GNUNET_SYSERR; + return; + } + mwc->cb (mwc->cb_cls, + batch_deposit_serial_id, + &total_amount, + &wire_target_h_payto, + deadline); + GNUNET_PQ_cleanup_result (rs); + } +} + + +enum GNUNET_DB_QueryStatus +TEH_PG_select_batch_deposits_missing_wire ( + void *cls, + uint64_t min_batch_deposit_serial_id, + TALER_EXCHANGEDB_WireMissingCallback cb, + void *cb_cls) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_uint64 (&min_batch_deposit_serial_id), + GNUNET_PQ_query_param_end + }; + struct MissingWireContext mwc = { + .cb = cb, + .cb_cls = cb_cls, + .pg = pg, + .status = GNUNET_OK + }; + enum GNUNET_DB_QueryStatus qs; + + PREPARE (pg, + "deposits_get_deposits_missing_wire", + "SELECT" + " batch_deposit_serial_id" + ",wire_target_h_payto" + ",deadline" + ",total_amount" + " FROM exchange_do_select_deposits_missing_wire" + " ($1);"); + qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn, + "deposits_get_deposits_missing_wire", + params, + &missing_wire_cb, + &mwc); + if (GNUNET_OK != mwc.status) + return GNUNET_DB_STATUS_HARD_ERROR; + return qs; +} |