Get SPS list in interval

src/app/components/pages/SteemProposalSystem.jsx

@@ -22,6 +22,8 @@ class SteemProposalSystem extends React.Component {
         'voted',
     ];
 
+    interval = 2 * 60 * 1000;
+
     orderedProposalKeys = [
         'id',
         'creator',
@@ -61,6 +63,13 @@ class SteemProposalSystem extends React.Component {
         }
     }
 
+    componentDidMount() {
+        this.intervalId = setInterval(() => {
+            const { limit, status, last_id } = this.state;
+            this.getProposals(limit, status, last_id);
+        }, this.interval);
+    }
+
     componentWillReceiveProps(nextProps) {
         const { currentUser } = nextProps;
 
@@ -69,6 +78,10 @@ class SteemProposalSystem extends React.Component {
         }
     }
 
+    componentWillUnmount() {
+        clearInterval(this.intervalId);
+    }
+
     getSpsUrl(creator, permlink) {
         const { social_url } = global.$STM_Config;
         return `${social_url || ''}/@${creator}/${permlink}`;