From 6991ca011b4f97d24066f82ccd09adde8a692f6a Mon Sep 17 00:00:00 2001 From: Joseph Date: Mon, 14 Nov 2022 07:35:56 -0500 Subject: remove more functions --- src/exchangedb/pg_select_refunds_above_serial_id.c | 211 +++++++++++++++++++++ 1 file changed, 211 insertions(+) create mode 100644 src/exchangedb/pg_select_refunds_above_serial_id.c (limited to 'src/exchangedb/pg_select_refunds_above_serial_id.c') diff --git a/src/exchangedb/pg_select_refunds_above_serial_id.c b/src/exchangedb/pg_select_refunds_above_serial_id.c new file mode 100644 index 000000000..a5f7d3df6 --- /dev/null +++ b/src/exchangedb/pg_select_refunds_above_serial_id.c @@ -0,0 +1,211 @@ +/* + 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 + */ +/** + * @file exchangedb/pg_select_refunds_above_serial_id.c + * @brief Implementation of the select_refunds_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_refunds_above_serial_id.h" +#include "pg_helper.h" + +/** + * Closure for #refunds_serial_helper_cb(). + */ +struct RefundsSerialContext +{ + + /** + * Callback to call. + */ + TALER_EXCHANGEDB_RefundCallback 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 RefundsSerialContext` + * @param result the postgres result + * @param num_results the number of results in @a result + */ +static void +refunds_serial_helper_cb (void *cls, + PGresult *result, + unsigned int num_results) +{ + struct RefundsSerialContext *rsc = cls; + struct PostgresClosure *pg = rsc->pg; + + for (unsigned int i = 0; istatus = GNUNET_SYSERR; + return; + } + { + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_uint64 (&rowid), + GNUNET_PQ_query_param_end + }; + struct TALER_Amount amount_with_fee; + uint64_t s_f; + uint64_t s_v; + struct GNUNET_PQ_ResultSpec rs2[] = { + GNUNET_PQ_result_spec_uint64 ("s_v", + &s_v), + GNUNET_PQ_result_spec_uint64 ("s_f", + &s_f), + TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee", + &amount_with_fee), + GNUNET_PQ_result_spec_end + }; + enum GNUNET_DB_QueryStatus qs; + + qs = GNUNET_PQ_eval_prepared_singleton_select ( + pg->conn, + "test_refund_full", + params, + rs2); + if (qs <= 0) + { + GNUNET_break (0); + rsc->status = GNUNET_SYSERR; + return; + } + /* normalize */ + s_v += s_f / TALER_AMOUNT_FRAC_BASE; + s_f %= TALER_AMOUNT_FRAC_BASE; + full_refund = (s_v >= amount_with_fee.value) && + (s_f >= amount_with_fee.fraction); + } + ret = rsc->cb (rsc->cb_cls, + rowid, + &denom_pub, + &refund.coin.coin_pub, + &refund.details.merchant_pub, + &refund.details.merchant_sig, + &refund.details.h_contract_terms, + refund.details.rtransaction_id, + full_refund, + &refund.details.refund_amount); + GNUNET_PQ_cleanup_result (rs); + if (GNUNET_OK != ret) + break; + } +} + + +enum GNUNET_DB_QueryStatus +TEH_PG_select_refunds_above_serial_id ( + void *cls, + uint64_t serial_id, + TALER_EXCHANGEDB_RefundCallback 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 RefundsSerialContext rsc = { + .cb = cb, + .cb_cls = cb_cls, + .pg = pg, + .status = GNUNET_OK + }; + enum GNUNET_DB_QueryStatus qs; + + /* Fetch refunds with rowid '\geq' the given parameter */ + PREPARE (pg, + "audit_get_refunds_incr", + "SELECT" + " dep.merchant_pub" + ",ref.merchant_sig" + ",dep.h_contract_terms" + ",ref.rtransaction_id" + ",denom.denom_pub" + ",kc.coin_pub" + ",ref.amount_with_fee_val" + ",ref.amount_with_fee_frac" + ",ref.refund_serial_id" + " FROM refunds ref" + " JOIN deposits dep" + " ON (ref.coin_pub=dep.coin_pub AND ref.deposit_serial_id=dep.deposit_serial_id)" + " JOIN known_coins kc" + " ON (dep.coin_pub=kc.coin_pub)" + " JOIN denominations denom" + " ON (kc.denominations_serial=denom.denominations_serial)" + " WHERE ref.refund_serial_id>=$1" + " ORDER BY ref.refund_serial_id ASC;"); + qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn, + "audit_get_refunds_incr", + params, + &refunds_serial_helper_cb, + &rsc); + if (GNUNET_OK != rsc.status) + return GNUNET_DB_STATUS_HARD_ERROR; + return qs; +} -- cgit v1.2.3