diff options
Diffstat (limited to 'src/exchangedb/pg_select_coin_deposits_above_serial_id.c')
| -rw-r--r-- | src/exchangedb/pg_select_coin_deposits_above_serial_id.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/src/exchangedb/pg_select_coin_deposits_above_serial_id.c b/src/exchangedb/pg_select_coin_deposits_above_serial_id.c new file mode 100644 index 000000000..000b908ed --- /dev/null +++ b/src/exchangedb/pg_select_coin_deposits_above_serial_id.c @@ -0,0 +1,204 @@ +/* + 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_coin_deposits_above_serial_id.c + * @brief Implementation of the select_coin_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_coin_deposits_above_serial_id.h" +#include "pg_helper.h" + +/** + * Closure for #deposit_serial_helper_cb(). + */ +struct CoinDepositSerialContext +{ + + /** + * Callback to call. + */ + TALER_EXCHANGEDB_DepositCallback 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 CoinDepositSerialContext` + * @param result the postgres result + * @param num_results the number of results in @a result + */ +static void +coin_deposit_serial_helper_cb (void *cls, + PGresult *result, + unsigned int num_results) +{ + struct CoinDepositSerialContext *dsc = cls; + struct PostgresClosure *pg = dsc->pg; + + for (unsigned int i = 0; i<num_results; i++) + { + struct TALER_EXCHANGEDB_Deposit deposit; + struct GNUNET_TIME_Timestamp exchange_timestamp; + struct TALER_DenominationPublicKey denom_pub; + bool done; + uint64_t rowid; + struct GNUNET_PQ_ResultSpec rs[] = { + TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee", + &deposit.amount_with_fee), + GNUNET_PQ_result_spec_timestamp ("wallet_timestamp", + &deposit.timestamp), + GNUNET_PQ_result_spec_timestamp ("exchange_timestamp", + &exchange_timestamp), + GNUNET_PQ_result_spec_auto_from_type ("merchant_pub", + &deposit.merchant_pub), + TALER_PQ_result_spec_denom_pub ("denom_pub", + &denom_pub), + GNUNET_PQ_result_spec_auto_from_type ("coin_pub", + &deposit.coin.coin_pub), + GNUNET_PQ_result_spec_allow_null ( + GNUNET_PQ_result_spec_auto_from_type ("age_commitment_hash", + &deposit.coin.h_age_commitment), + &deposit.coin.no_age_commitment), + GNUNET_PQ_result_spec_allow_null ( + GNUNET_PQ_result_spec_auto_from_type ("wallet_data_hash", + &deposit.wallet_data_hash), + &deposit.no_wallet_data_hash), + GNUNET_PQ_result_spec_auto_from_type ("coin_sig", + &deposit.csig), + GNUNET_PQ_result_spec_timestamp ("refund_deadline", + &deposit.refund_deadline), + GNUNET_PQ_result_spec_timestamp ("wire_deadline", + &deposit.wire_deadline), + GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms", + &deposit.h_contract_terms), + GNUNET_PQ_result_spec_auto_from_type ("wire_salt", + &deposit.wire_salt), + GNUNET_PQ_result_spec_string ("receiver_wire_account", + &deposit.receiver_wire_account), + GNUNET_PQ_result_spec_bool ("done", + &done), + GNUNET_PQ_result_spec_uint64 ("coin_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, + exchange_timestamp, + &deposit, + &denom_pub, + done); + GNUNET_PQ_cleanup_result (rs); + if (GNUNET_OK != ret) + break; + } +} + + +enum GNUNET_DB_QueryStatus +TEH_PG_select_coin_deposits_above_serial_id ( + void *cls, + uint64_t serial_id, + TALER_EXCHANGEDB_DepositCallback 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 CoinDepositSerialContext dsc = { + .cb = cb, + .cb_cls = cb_cls, + .pg = pg, + .status = GNUNET_OK + }; + enum GNUNET_DB_QueryStatus qs; + + /* Fetch deposits with rowid '\geq' the given parameter */ + PREPARE (pg, + "audit_get_coin_deposits_incr", + "SELECT" + " cdep.amount_with_fee" + ",bdep.wallet_timestamp" + ",bdep.exchange_timestamp" + ",bdep.merchant_pub" + ",bdep.wallet_data_hash" + ",denom.denom_pub" + ",kc.coin_pub" + ",kc.age_commitment_hash" + ",cdep.coin_sig" + ",bdep.refund_deadline" + ",bdep.wire_deadline" + ",bdep.h_contract_terms" + ",bdep.wire_salt" + ",wt.payto_uri AS receiver_wire_account" + ",bdep.done" + ",cdep.coin_deposit_serial_id" + " FROM coin_deposits cdep" + " JOIN batch_deposits bdep" + " USING (batch_deposit_serial_id)" + " JOIN wire_targets wt" + " USING (wire_target_h_payto)" + " JOIN known_coins kc" + " USING (coin_pub)" + " JOIN denominations denom" + " USING (denominations_serial)" + " WHERE (coin_deposit_serial_id>=$1)" + " ORDER BY coin_deposit_serial_id ASC;"); + qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn, + "audit_get_coin_deposits_incr", + params, + &coin_deposit_serial_helper_cb, + &dsc); + if (GNUNET_OK != dsc.status) + return GNUNET_DB_STATUS_HARD_ERROR; + return qs; +} |