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-rw-r--r--src/exchangedb/pg_select_purse.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/src/exchangedb/pg_select_purse.c b/src/exchangedb/pg_select_purse.c
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index 000000000..ffccb905c
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+++ b/src/exchangedb/pg_select_purse.c
@@ -0,0 +1,94 @@
+/*
+ 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.c
+ * @brief Implementation of the select_purse 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.h"
+#include "pg_helper.h"
+
+
+enum GNUNET_DB_QueryStatus
+TEH_PG_select_purse (
+ void *cls,
+ const struct TALER_PurseContractPublicKeyP *purse_pub,
+ struct GNUNET_TIME_Timestamp *purse_creation,
+ struct GNUNET_TIME_Timestamp *purse_expiration,
+ struct TALER_Amount *amount,
+ struct TALER_Amount *deposited,
+ struct TALER_PrivateContractHashP *h_contract_terms,
+ struct GNUNET_TIME_Timestamp *merge_timestamp,
+ bool *purse_deleted,
+ bool *purse_refunded)
+{
+ struct PostgresClosure *pg = cls;
+ struct GNUNET_PQ_QueryParam params[] = {
+ GNUNET_PQ_query_param_auto_from_type (purse_pub),
+ GNUNET_PQ_query_param_end
+ };
+ struct GNUNET_PQ_ResultSpec rs[] = {
+ GNUNET_PQ_result_spec_timestamp ("purse_expiration",
+ purse_expiration),
+ GNUNET_PQ_result_spec_timestamp ("purse_creation",
+ purse_creation),
+ TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
+ amount),
+ TALER_PQ_RESULT_SPEC_AMOUNT ("balance",
+ deposited),
+ GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms",
+ h_contract_terms),
+ GNUNET_PQ_result_spec_allow_null (
+ GNUNET_PQ_result_spec_timestamp ("merge_timestamp",
+ merge_timestamp),
+ NULL),
+ GNUNET_PQ_result_spec_bool ("purse_deleted",
+ purse_deleted),
+ GNUNET_PQ_result_spec_allow_null (
+ GNUNET_PQ_result_spec_bool ("purse_refunded",
+ purse_refunded),
+ NULL),
+ GNUNET_PQ_result_spec_end
+ };
+
+ PREPARE (pg,
+ "select_purse",
+ "SELECT "
+ " pr.merge_pub"
+ ",pr.purse_creation"
+ ",pr.purse_expiration"
+ ",pr.h_contract_terms"
+ ",pr.amount_with_fee"
+ ",pr.balance"
+ ",pm.merge_timestamp"
+ ",pd.purse_sig IS NOT NULL AS purse_deleted"
+ ",pc.refunded AS purse_refunded"
+ " FROM purse_requests pr"
+ " LEFT JOIN purse_merges pm ON (pm.purse_pub = pr.purse_pub)"
+ " LEFT JOIN purse_decision pc ON (pc.purse_pub = pr.purse_pub)"
+ " LEFT JOIN purse_deletion pd ON (pd.purse_pub = pr.purse_pub)"
+ " WHERE pr.purse_pub=$1;");
+ *merge_timestamp = GNUNET_TIME_UNIT_FOREVER_TS;
+ *purse_refunded = false;
+ return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
+ "select_purse",
+ params,
+ rs);
+}