1 files changed, 79 insertions, 0 deletions
diff --git a/src/exchangedb/pg_select_purse_by_merge_pub.c b/src/exchangedb/pg_select_purse_by_merge_pub.c
new file mode 100644
index 000000000..d035b3255
--- /dev/null
+++ b/src/exchangedb/pg_select_purse_by_merge_pub.c
@@ -0,0 +1,79 @@
+/*
+   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 exchangedb/pg_select_purse_by_merge_pub.c
+ * @brief Implementation of the select_purse_by_merge_pub 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_by_merge_pub.h"
+#include "pg_helper.h"
+
+enum GNUNET_DB_QueryStatus
+TEH_PG_select_purse_by_merge_pub (
+  void *cls,
+  const struct TALER_PurseMergePublicKeyP *merge_pub,
+  struct TALER_PurseContractPublicKeyP *purse_pub,
+  struct GNUNET_TIME_Timestamp *purse_expiration,
+  struct TALER_PrivateContractHashP *h_contract_terms,
+  uint32_t *age_limit,
+  struct TALER_Amount *target_amount,
+  struct TALER_Amount *balance,
+  struct TALER_PurseContractSignatureP *purse_sig)
+{
+  struct PostgresClosure *pg = cls;
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_auto_from_type (merge_pub),
+    GNUNET_PQ_query_param_end
+  };
+  struct GNUNET_PQ_ResultSpec rs[] = {
+    GNUNET_PQ_result_spec_auto_from_type ("purse_pub",
+                                          purse_pub),
+    GNUNET_PQ_result_spec_timestamp ("purse_expiration",
+                                     purse_expiration),
+    GNUNET_PQ_result_spec_auto_from_type ("h_contract_terms",
+                                          h_contract_terms),
+    GNUNET_PQ_result_spec_uint32 ("age_limit",
+                                  age_limit),
+    TALER_PQ_RESULT_SPEC_AMOUNT ("amount_with_fee",
+                                 target_amount),
+    TALER_PQ_RESULT_SPEC_AMOUNT ("balance",
+                                 balance),
+    GNUNET_PQ_result_spec_auto_from_type ("purse_sig",
+                                          purse_sig),
+    GNUNET_PQ_result_spec_end
+  };
+
+  PREPARE (pg,
+           "select_purse_by_merge_pub",
+           "SELECT "
+           " purse_pub"
+           ",purse_expiration"
+           ",h_contract_terms"
+           ",age_limit"
+           ",amount_with_fee"
+           ",balance"
+           ",purse_sig"
+           " FROM purse_requests"
+           " WHERE merge_pub=$1;");
+  return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
+                                                   "select_purse_by_merge_pub",
+                                                   params,
+                                                   rs);
+}