hardcoded leverage to Bitfinex connector response

src/models.rs

@@ -201,6 +201,11 @@ impl ActiveOrder {
         self
     }
 
+    pub fn with_leverage(mut self, leverage: Option<f64>) -> Self {
+        self.order_form = self.order_form.with_leverage(leverage);
+        self
+    }
+
     pub fn exchange(&self) -> Exchange {
         self.exchange
     }
@@ -244,6 +249,22 @@ impl PartialEq for ActiveOrder {
 
 impl Eq for ActiveOrder {}
 
+impl Clone for ActiveOrder {
+    fn clone(&self) -> Self {
+        Self {
+            exchange: self.exchange,
+            id: self.id,
+            group_id: self.group_id,
+            client_id: self.client_id,
+            pair: self.pair.clone(),
+            order_form: self.order_form.clone(),
+            creation_timestamp: self.creation_timestamp,
+            update_timestamp: self.update_timestamp,
+            strategy: self.strategy.as_ref().map(|x| clone_box(&**x))
+        }
+    }
+}
+
 #[derive(Debug, Clone, Copy, Eq, PartialEq)]
 pub enum TradingPlatform {
     Exchange,