From 48b7d45959d40cc129991a191a6aa3167412bd9e Mon Sep 17 00:00:00 2001
From: Joseph <Joseph.xu@efrei.net>
Date: Mon, 12 Dec 2022 06:49:13 -0500
Subject: some modifications in sql code

---
 .../exchange_do_batch_reserves_update.sql          | 75 ++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 src/exchangedb/exchange_do_batch_reserves_update.sql

(limited to 'src/exchangedb/exchange_do_batch_reserves_update.sql')

diff --git a/src/exchangedb/exchange_do_batch_reserves_update.sql b/src/exchangedb/exchange_do_batch_reserves_update.sql
new file mode 100644
index 000000000..f6b972c67
--- /dev/null
+++ b/src/exchangedb/exchange_do_batch_reserves_update.sql
@@ -0,0 +1,75 @@
+--
+-- This file is part of TALER
+-- Copyright (C) 2014--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/>
+--
+
+CREATE OR REPLACE PROCEDURE exchange_do_batch_reserves_update(
+  IN in_reserve_pub BYTEA,
+  IN in_expiration_date INT8,
+  IN in_wire_ref INT8,
+  IN in_credit_val INT8,
+  IN in_credit_frac INT4,
+  IN in_exchange_account_name VARCHAR,
+  IN in_reserve_found BOOLEAN,
+  IN in_wire_source_h_payto BYTEA,
+  IN in_notify text)    ---h_payto
+LANGUAGE plpgsql
+AS $$
+BEGIN
+
+  INSERT INTO reserves_in
+    (reserve_pub
+    ,wire_reference
+    ,credit_val
+    ,credit_frac
+    ,exchange_account_section
+    ,wire_source_h_payto
+    ,execution_date)
+    VALUES
+    (in_reserve_pub
+    ,in_wire_ref
+    ,in_credit_val
+    ,in_credit_frac
+    ,in_exchange_account_name
+    ,in_wire_source_h_payto
+    ,in_expiration_date);
+
+--IF THE INSERTION WAS A SUCCESS IT MEANS NO DUPLICATED TRANSACTION
+  IF FOUND
+  THEN
+--    transaction_duplicate = FALSE;
+    IF in_reserve_found
+    THEN
+      UPDATE reserves
+        SET
+           current_balance_frac = current_balance_frac+in_credit_frac
+             - CASE
+               WHEN current_balance_frac + in_credit_frac >= 100000000
+                 THEN 100000000
+               ELSE 1
+               END
+              ,current_balance_val = current_balance_val+in_credit_val
+             + CASE
+               WHEN current_balance_frac + in_credit_frac >= 100000000
+                 THEN 1
+               ELSE 0
+               END
+               ,expiration_date=GREATEST(expiration_date,in_expiration_date)
+               ,gc_date=GREATEST(gc_date,in_expiration_date)
+      	      WHERE reserves.reserve_pub=in_reserve_pub;
+    END IF;
+    PERFORM pg_notify(in_notify, NULL);
+  END IF;
+
+END $$;
-- 
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