1 files changed, 78 insertions, 0 deletions
diff --git a/src/exchangedb/pg_get_drain_profit.c b/src/exchangedb/pg_get_drain_profit.c
new file mode 100644
index 00000000..d02802e1
--- /dev/null
+++ b/src/exchangedb/pg_get_drain_profit.c
@@ -0,0 +1,78 @@
+/*
+   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_get_drain_profit.c
+ * @brief Implementation of the get_drain_profit 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_get_drain_profit.h"
+#include "pg_helper.h"
+
+
+enum GNUNET_DB_QueryStatus
+TEH_PG_get_drain_profit (
+  void *cls,
+  const struct TALER_WireTransferIdentifierRawP *wtid,
+  uint64_t *serial,
+  char **account_section,
+  char **payto_uri,
+  struct GNUNET_TIME_Timestamp *request_timestamp,
+  struct TALER_Amount *amount,
+  struct TALER_MasterSignatureP *master_sig)
+{
+  struct PostgresClosure *pg = cls;
+  struct GNUNET_PQ_QueryParam params[] = {
+    GNUNET_PQ_query_param_auto_from_type (wtid),
+    GNUNET_PQ_query_param_end
+  };
+  struct GNUNET_PQ_ResultSpec rs[] = {
+    GNUNET_PQ_result_spec_uint64 ("profit_drain_serial_id",
+                                  serial),
+    GNUNET_PQ_result_spec_string ("account_section",
+                                  account_section),
+    GNUNET_PQ_result_spec_string ("payto_uri",
+                                  payto_uri),
+    GNUNET_PQ_result_spec_timestamp ("trigger_date",
+                                     request_timestamp),
+    TALER_PQ_RESULT_SPEC_AMOUNT ("amount",
+                                 amount),
+    GNUNET_PQ_result_spec_auto_from_type ("master_sig",
+                                          master_sig),
+    GNUNET_PQ_result_spec_end
+  };
+
+
+  PREPARE (pg,
+           "get_profit_drain",
+           "SELECT"
+           " profit_drain_serial_id"
+           ",account_section"
+           ",payto_uri"
+           ",trigger_date"
+           ",amount_val"
+           ",amount_frac"
+           ",master_sig"
+           " FROM profit_drains"
+           " WHERE wtid=$1;");
+  return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
+                                                   "get_profit_drain",
+                                                   params,
+                                                   rs);
+}