1 files changed, 70 insertions, 0 deletions
diff --git a/src/exchangedb/pg_select_aml_threshold.c b/src/exchangedb/pg_select_aml_threshold.c
new file mode 100644
index 000000000..23286f029
--- /dev/null
+++ b/src/exchangedb/pg_select_aml_threshold.c
@@ -0,0 +1,70 @@
+/*
+   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 exchangedb/pg_select_aml_threshold.c
+ * @brief Implementation of the select_aml_threshold 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_aml_threshold.h"
+#include "pg_helper.h"
+
+
+enum GNUNET_DB_QueryStatus
+TEH_PG_select_aml_threshold (
+  void *cls,
+  const struct TALER_PaytoHashP *h_payto,
+  enum TALER_AmlDecisionState *decision,
+  struct TALER_EXCHANGEDB_KycStatus *kyc,
+  struct TALER_Amount *threshold)
+{
+  struct PostgresClosure *pg = cls;
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_auto_from_type (h_payto),
+    GNUNET_PQ_query_param_end
+  };
+  uint32_t status32 = TALER_AML_NORMAL;
+  struct GNUNET_PQ_ResultSpec rs[] = {
+    TALER_PQ_RESULT_SPEC_AMOUNT ("threshold",
+                                 threshold),
+    GNUNET_PQ_result_spec_uint32 ("status",
+                                  &status32),
+    GNUNET_PQ_result_spec_uint64 ("kyc_requirement",
+                                  &kyc->requirement_row),
+    GNUNET_PQ_result_spec_end
+  };
+  enum GNUNET_DB_QueryStatus qs;
+
+  PREPARE (pg,
+           "select_aml_threshold",
+           "SELECT"
+           " threshold"
+           ",status"
+           ",kyc_requirement"
+           " FROM aml_status"
+           " WHERE h_payto=$1;");
+  qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
+                                                 "select_aml_threshold",
+                                                 params,
+                                                 rs);
+  *decision = (enum TALER_AmlDecisionState) status32;
+  kyc->ok = (TALER_AML_FROZEN != *decision)
+            || (0 != kyc->requirement_row);
+  return qs;
+}