diff --git a/webapp/models/Market.php b/webapp/models/Market.php
index fc35d7b9..f95f00b8 100644
--- a/webapp/models/Market.php
+++ b/webapp/models/Market.php
@@ -21,7 +21,7 @@ class Market extends BaseModel {
         return $row;
     }
 
-    public static function upsert($OrderId, $fieldsKv){
+    public static function add($OrderId, $fieldsKv){
         SqlHelper::upsert
             (myself()->_getMysql(''),
              't_market',
@@ -46,7 +46,19 @@ class Market extends BaseModel {
             );
     }
 
-    public static function update($OrderId, $fieldsKv){
+    public static function updatePrice($orderId, $currency, $price) {
+
+    }
+
+    public static function buyOk($orderId) {
+
+    }
+
+    public static function cancel($orderId) {
+
+    }
+
+    private static function update($OrderId, $fieldsKv){
         SqlHelper::upsert
             (myself()->_getMysql(''),
              't_market',