diff options
Diffstat (limited to 'src/exchangedb/pg_select_purse_deposits_above_serial_id.c')
| -rw-r--r-- | src/exchangedb/pg_select_purse_deposits_above_serial_id.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/src/exchangedb/pg_select_purse_deposits_above_serial_id.c b/src/exchangedb/pg_select_purse_deposits_above_serial_id.c new file mode 100644 index 000000000..bb4320663 --- /dev/null +++ b/src/exchangedb/pg_select_purse_deposits_above_serial_id.c @@ -0,0 +1,201 @@ +/* + 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 pg_select_purse_deposits_above_serial_id.c + * @brief Implementation of the select_purse_deposits_above_serial_id 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_purse_deposits_above_serial_id.h" +#include "pg_helper.h" + +/** + * Closure for #purse_deposit_serial_helper_cb(). + */ +struct PurseDepositSerialContext +{ + + /** + * Callback to call. + */ + TALER_EXCHANGEDB_PurseDepositCallback cb; + + /** + * Closure for @e cb. + */ + void *cb_cls; + + /** + * Plugin context. + */ + struct PostgresClosure *pg; + + /** + * Status code, set to #GNUNET_SYSERR on hard errors. + */ + enum GNUNET_GenericReturnValue 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 DepositSerialContext` + * @param result the postgres result + * @param num_results the number of results in @a result + */ +static void +purse_deposit_serial_helper_cb (void *cls, + PGresult *result, + unsigned int num_results) +{ + struct PurseDepositSerialContext *dsc = cls; + struct PostgresClosure *pg = dsc->pg; + + for (unsigned int i = 0; i<num_results; i++) + { + struct TALER_EXCHANGEDB_PurseDeposit deposit = { + .exchange_base_url = NULL + }; + struct TALER_DenominationPublicKey denom_pub; + uint64_t rowid; + uint32_t flags32; + struct TALER_ReservePublicKeyP reserve_pub; + bool not_merged = false; + struct TALER_Amount purse_balance; + struct TALER_Amount purse_total; + struct GNUNET_PQ_ResultSpec rs[] = { + TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee", + &deposit.amount), + TALER_PQ_RESULT_SPEC_AMOUNT ("balance", + &purse_balance), + TALER_PQ_RESULT_SPEC_AMOUNT ("total", + &purse_total), + TALER_PQ_RESULT_SPEC_AMOUNT ("deposit_fee", + &deposit.deposit_fee), + GNUNET_PQ_result_spec_allow_null ( + GNUNET_PQ_result_spec_string ("partner_base_url", + &deposit.exchange_base_url), + NULL), + GNUNET_PQ_result_spec_allow_null ( + GNUNET_PQ_result_spec_auto_from_type ("reserve_pub", + &reserve_pub), + ¬_merged), + TALER_PQ_result_spec_denom_pub ("denom_pub", + &denom_pub), + GNUNET_PQ_result_spec_auto_from_type ("purse_pub", + &deposit.purse_pub), + GNUNET_PQ_result_spec_auto_from_type ("coin_sig", + &deposit.coin_sig), + GNUNET_PQ_result_spec_uint32 ("flags", + &flags32), + GNUNET_PQ_result_spec_auto_from_type ("coin_pub", + &deposit.coin_pub), + GNUNET_PQ_result_spec_allow_null ( + GNUNET_PQ_result_spec_auto_from_type ("age_commitment_hash", + &deposit.h_age_commitment), + &deposit.no_age_commitment), + GNUNET_PQ_result_spec_uint64 ("purse_deposit_serial_id", + &rowid), + GNUNET_PQ_result_spec_end + }; + enum GNUNET_GenericReturnValue ret; + + memset (&deposit, + 0, + sizeof (deposit)); + if (GNUNET_OK != + GNUNET_PQ_extract_result (result, + rs, + i)) + { + GNUNET_break (0); + dsc->status = GNUNET_SYSERR; + return; + } + ret = dsc->cb (dsc->cb_cls, + rowid, + &deposit, + not_merged ? NULL : &reserve_pub, + (enum TALER_WalletAccountMergeFlags) flags32, + &purse_balance, + &purse_total, + &denom_pub); + GNUNET_PQ_cleanup_result (rs); + if (GNUNET_OK != ret) + break; + } +} + + +enum GNUNET_DB_QueryStatus +TEH_PG_select_purse_deposits_above_serial_id ( + void *cls, + uint64_t serial_id, + TALER_EXCHANGEDB_PurseDepositCallback cb, + void *cb_cls) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_uint64 (&serial_id), + GNUNET_PQ_query_param_end + }; + struct PurseDepositSerialContext dsc = { + .cb = cb, + .cb_cls = cb_cls, + .pg = pg, + .status = GNUNET_OK + }; + enum GNUNET_DB_QueryStatus qs; + + PREPARE (pg, + "audit_get_purse_deposits_incr", + "SELECT" + " pd.amount_with_fee" + ",pr.amount_with_fee AS total" + ",pr.balance" + ",pr.flags" + ",pd.purse_pub" + ",pd.coin_sig" + ",partner_base_url" + ",denom.denom_pub" + ",pm.reserve_pub" + ",kc.coin_pub" + ",kc.age_commitment_hash" + ",pd.purse_deposit_serial_id" + " FROM purse_deposits pd" + " LEFT JOIN partners USING (partner_serial_id)" + " LEFT JOIN purse_merges pm USING (purse_pub)" + " JOIN purse_requests pr USING (purse_pub)" + " JOIN known_coins kc USING (coin_pub)" + " JOIN denominations denom USING (denominations_serial)" + " WHERE (" + " (purse_deposit_serial_id>=$1)" + " )" + " ORDER BY purse_deposit_serial_id ASC;"); + qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn, + "audit_get_purse_deposits_incr", + params, + &purse_deposit_serial_helper_cb, + &dsc); + if (GNUNET_OK != dsc.status) + return GNUNET_DB_STATUS_HARD_ERROR; + return qs; +} |