diff options
Diffstat (limited to 'src/backenddb/pg_lookup_pending_deposits.c')
| -rw-r--r-- | src/backenddb/pg_lookup_pending_deposits.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/src/backenddb/pg_lookup_pending_deposits.c b/src/backenddb/pg_lookup_pending_deposits.c new file mode 100644 index 00000000..ab8981a5 --- /dev/null +++ b/src/backenddb/pg_lookup_pending_deposits.c @@ -0,0 +1,201 @@ +/* + This file is part of TALER + Copyright (C) 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 backenddb/pg_lookup_pending_deposits.c + * @brief Implementation of the lookup_pending_deposits 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_pending_deposits.h" +#include "pg_helper.h" + + +/** + * Context for lookup_pending_deposits(). + */ +struct LookupDepositsContext +{ + /** + * Function to call with the results. + */ + TALER_MERCHANTDB_PendingDepositsCallback cb; + + /** + * Closure for @e cb. + */ + void *cb_cls; + + /** + * Database context. + */ + struct PostgresClosure *pg; + + /** + * Set to the return value on 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 instances. + * + * @param cls of type `struct LookupDepositsContext *` + * @param result the postgres result + * @param num_results the number of results in @a result + */ +static void +lookup_deposits_cb (void *cls, + PGresult *result, + unsigned int num_results) +{ + struct LookupDepositsContext *ldc = cls; + + for (unsigned int i = 0; i < num_results; i++) + { + uint64_t deposit_serial; + struct GNUNET_TIME_Absolute wire_deadline; + struct GNUNET_TIME_Relative retry_backoff; + struct TALER_PrivateContractHashP h_contract_terms; + struct TALER_MerchantPrivateKeyP merchant_priv; + char *instance_id; + struct TALER_MerchantWireHashP h_wire; + struct TALER_Amount amount_with_fee; + struct TALER_Amount deposit_fee; + struct TALER_CoinSpendPublicKeyP coin_pub; + struct GNUNET_PQ_ResultSpec rs[] = { + GNUNET_PQ_result_spec_uint64 ("deposit_serial", + &deposit_serial), + GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms", + &h_contract_terms), + GNUNET_PQ_result_spec_auto_from_type ("merchant_priv", + &merchant_priv), + GNUNET_PQ_result_spec_string ("merchant_id", + &instance_id), + GNUNET_PQ_result_spec_absolute_time ("wire_transfer_deadline", + &wire_deadline), + GNUNET_PQ_result_spec_relative_time ("retry_backoff", + &retry_backoff), + GNUNET_PQ_result_spec_auto_from_type ("h_wire", + &h_wire), + TALER_PQ_result_spec_amount_with_currency ("amount_with_fee", + &amount_with_fee), + TALER_PQ_result_spec_amount_with_currency ("deposit_fee", + &deposit_fee), + GNUNET_PQ_result_spec_auto_from_type ("coin_pub", + &coin_pub), + GNUNET_PQ_result_spec_end + }; + + if (GNUNET_OK != + GNUNET_PQ_extract_result (result, + rs, + i)) + { + GNUNET_break (0); + ldc->qs = GNUNET_DB_STATUS_HARD_ERROR; + return; + } + ldc->cb (ldc->cb_cls, + deposit_serial, + wire_deadline, + retry_backoff, + &h_contract_terms, + &merchant_priv, + instance_id, + &h_wire, + &amount_with_fee, + &deposit_fee, + &coin_pub); + GNUNET_PQ_cleanup_result (rs); + } +} + + +enum GNUNET_DB_QueryStatus +TMH_PG_lookup_pending_deposits ( + void *cls, + const char *exchange_url, + uint64_t limit, + bool allow_future, + TALER_MERCHANTDB_PendingDepositsCallback cb, + void *cb_cls) +{ + struct PostgresClosure *pg = cls; + struct LookupDepositsContext ldc = { + .cb = cb, + .cb_cls = cb_cls, + .pg = pg + }; + struct GNUNET_TIME_Absolute now + = GNUNET_TIME_absolute_get (); + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_string (exchange_url), + GNUNET_PQ_query_param_absolute_time (&now), + GNUNET_PQ_query_param_uint64 (&limit), + GNUNET_PQ_query_param_bool (allow_future), + GNUNET_PQ_query_param_end + }; + enum GNUNET_DB_QueryStatus qs; + + check_connection (pg); + PREPARE (pg, + "lookup_pending_deposits", + "SELECT" + " md.deposit_serial" + ",mct.h_contract_terms" + ",mk.merchant_priv" + ",mi.merchant_id" + ",mdc.wire_transfer_deadline" + ",ma.h_wire" + ",md.amount_with_fee" + ",md.deposit_fee" + ",md.coin_pub" + ",mdc.retry_backoff" + " FROM merchant_deposit_confirmations mdc" + " JOIN merchant_contract_terms mct" + " USING (order_serial)" + " JOIN merchant_accounts ma" + " USING (account_serial)" + " LEFT JOIN merchant_kyc kyc" + " ON (ma.account_serial=kyc.account_serial)" + " JOIN merchant_instances mi" + " ON (mct.merchant_serial=mi.merchant_serial)" + " JOIN merchant_keys mk" + " ON (mi.merchant_serial=mk.merchant_serial)" + " JOIN merchant_deposits md" + " USING (deposit_confirmation_serial)" + " WHERE mdc.wire_pending" + " AND (mdc.exchange_url=$1)" + " AND ($4 OR (mdc.wire_transfer_deadline < $2))" + " AND ( (kyc.kyc_ok IS NULL) OR kyc.kyc_ok)" + " AND ( (kyc.aml_decision IS NULL) OR (0=kyc.aml_decision) )" + " ORDER BY mdc.wire_transfer_deadline ASC" + " LIMIT $3"); + qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn, + "lookup_pending_deposits", + params, + &lookup_deposits_cb, + &ldc); + if (0 > ldc.qs) + return ldc.qs; + return qs; +} |