Merge "getInitData" method from simon/angular-universal.

backend/src/routes.ts

@@ -6,6 +6,7 @@ import backendInfo from './api/backend-info';
 import mempoolBlocks from './api/mempool-blocks';
 import mempool from './api/mempool';
 import bisq from './api/bisq/bisq';
+import websocketHandler from './api/websocket-handler';
 import bisqMarket from './api/bisq/markets-api';
 import { OptimizedStatistic, RequiredSpec } from './interfaces';
 import { MarketsApiError } from './api/bisq/interfaces';
@@ -63,6 +64,15 @@ class Routes {
     res.json(this.cache['1y']);
   }
 
+  public getInitData(req: Request, res: Response) {
+    try {
+      const result = websocketHandler.getInitData();
+      res.json(result);
+    } catch (e) {
+      res.status(500).send(e.message);
+    }
+  }
+
   public async getRecommendedFees(req: Request, res: Response) {
     if (!mempool.isInSync()) {
       res.statusCode = 503;