merge heal

ecstore/src/endpoints.rs

@@ -109,6 +109,24 @@ impl Endpoints {
     pub fn into_inner(self) -> Vec<Endpoint> {
         self.0
     }
+
+    pub fn into_ref(&self) -> &Vec<Endpoint> {
+        &self.0
+    }
+
+    // GetString - returns endpoint string of i-th endpoint (0-based),
+    // and empty string for invalid indexes.
+    pub fn get_string(&self, i: usize) -> String {
+        if i >= self.0.len() {
+            return "".to_string();
+        }
+
+        self.0[i].to_string()
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.0.is_empty()
+    }
 }
 
 #[derive(Debug)]