diff options
Diffstat (limited to 'src/backenddb/pg_lookup_reserves.c')
| -rw-r--r-- | src/backenddb/pg_lookup_reserves.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/src/backenddb/pg_lookup_reserves.c b/src/backenddb/pg_lookup_reserves.c deleted file mode 100644 index 48601e5b..00000000 --- a/src/backenddb/pg_lookup_reserves.c +++ /dev/null @@ -1,216 +0,0 @@ -/* - 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 backenddb/pg_lookup_reserves.c - * @brief Implementation of the lookup_reserves function for Postgres - * @author Christian Grothoff - */ -#include "platform.h" -#include <taler/taler_error_codes.h> -#include <taler/taler_dbevents.h> -#include <taler/taler_pq_lib.h> -#include "pg_lookup_reserves.h" -#include "pg_helper.h" - - -/** - * Closure for #lookup_reserves_cb. - */ -struct LookupReservesContext -{ - /** - * Postgres context. - */ - struct PostgresClosure *pg; - - /** - * Function to call with the results - */ - TALER_MERCHANTDB_ReservesCallback cb; - - /** - * Closure for @e cb - */ - void *cb_cls; - - /** - * Filter by active reserves. - */ - enum TALER_EXCHANGE_YesNoAll active; - - /** - * Filter by failures (mismatch in exchange claimed and - * merchant claimed initial amounts). - */ - enum TALER_EXCHANGE_YesNoAll failures; - - /** - * Set in case of errors. - */ - enum GNUNET_DB_QueryStatus qs; - -}; - - -/** - * Function to be called with the results of a SELECT statement - * that has returned @a num_results results about accounts. - * - * @param[in,out] cls of type `struct LookupReservesContext *` - * @param result the postgres result - * @param num_results the number of results in @a result - */ -static void -lookup_reserves_cb (void *cls, - PGresult *result, - unsigned int num_results) -{ - struct LookupReservesContext *lrc = cls; - - for (unsigned int i = 0; i < num_results; i++) - { - struct TALER_ReservePublicKeyP reserve_pub; - struct GNUNET_TIME_Timestamp creation_time; - struct GNUNET_TIME_Timestamp expiration_time; - struct TALER_Amount merchant_initial_balance; - struct TALER_Amount exchange_initial_balance; - struct TALER_Amount pickup_amount; - struct TALER_Amount committed_amount; - uint8_t active; - struct GNUNET_PQ_ResultSpec rs[] = { - GNUNET_PQ_result_spec_auto_from_type ("reserve_pub", - &reserve_pub), - GNUNET_PQ_result_spec_timestamp ("creation_time", - &creation_time), - GNUNET_PQ_result_spec_timestamp ("expiration", - &expiration_time), - TALER_PQ_result_spec_amount_with_currency ("merchant_initial_balance", - &merchant_initial_balance), - TALER_PQ_result_spec_amount_with_currency ("exchange_initial_balance", - &exchange_initial_balance), - TALER_PQ_result_spec_amount_with_currency ("rewards_committed", - &committed_amount), - TALER_PQ_result_spec_amount_with_currency ("rewards_picked_up", - &pickup_amount), - GNUNET_PQ_result_spec_auto_from_type ("active", - &active), - GNUNET_PQ_result_spec_end - }; - - if (GNUNET_OK != - GNUNET_PQ_extract_result (result, - rs, - i)) - { - GNUNET_break (0); - lrc->qs = GNUNET_DB_STATUS_HARD_ERROR; - return; - } - switch (lrc->active) - { - case TALER_EXCHANGE_YNA_YES: - if (0 == active) - continue; - break; - case TALER_EXCHANGE_YNA_NO: - if (0 != active) - continue; - break; - case TALER_EXCHANGE_YNA_ALL: - break; - } - switch (lrc->failures) - { - case TALER_EXCHANGE_YNA_YES: - if (0 == - TALER_amount_cmp (&merchant_initial_balance, - &exchange_initial_balance)) - continue; - break; - case TALER_EXCHANGE_YNA_NO: - if (0 != - TALER_amount_cmp (&merchant_initial_balance, - &exchange_initial_balance)) - continue; - break; - case TALER_EXCHANGE_YNA_ALL: - break; - } - lrc->cb (lrc->cb_cls, - &reserve_pub, - creation_time, - expiration_time, - &merchant_initial_balance, - &exchange_initial_balance, - &pickup_amount, - &committed_amount, - (0 != active)); - } -} - - -enum GNUNET_DB_QueryStatus -TMH_PG_lookup_reserves (void *cls, - const char *instance_id, - struct GNUNET_TIME_Timestamp created_after, - enum TALER_EXCHANGE_YesNoAll active, - enum TALER_EXCHANGE_YesNoAll failures, - TALER_MERCHANTDB_ReservesCallback cb, - void *cb_cls) -{ - struct PostgresClosure *pg = cls; - struct LookupReservesContext lrc = { - .pg = pg, - .active = active, - .failures = failures, - .cb = cb, - .cb_cls = cb_cls - }; - struct GNUNET_PQ_QueryParam params[] = { - GNUNET_PQ_query_param_string (instance_id), - GNUNET_PQ_query_param_timestamp (&created_after), - GNUNET_PQ_query_param_end - }; - enum GNUNET_DB_QueryStatus qs; - - check_connection (pg); - PREPARE (pg, - "lookup_reserves", - "SELECT" - " reserve_pub" - ",creation_time" - ",expiration" - ",merchant_initial_balance" - ",exchange_initial_balance" - ",rewards_committed" - ",rewards_picked_up" - ",reserve_priv IS NOT NULL AS active" - " FROM merchant_reward_reserves" - " FULL OUTER JOIN merchant_reward_reserve_keys USING (reserve_serial)" - " WHERE creation_time > $2" - " AND merchant_serial =" - " (SELECT merchant_serial" - " FROM merchant_instances" - " WHERE merchant_id=$1)"); - qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn, - "lookup_reserves", - params, - &lookup_reserves_cb, - &lrc); - if (lrc.qs < 0) - return lrc.qs; - return qs; -} |