add fixes'

src/services/rln.ts

@@ -109,9 +109,12 @@ export class RLN implements IRLN {
 
   private initKeystore(): Keystore {
     const localKeystoreString = localStorage.getItem("keystore");
-    const _keystore = Keystore.fromString(localKeystoreString || "");
-
-    return _keystore || Keystore.create();
+    
+    try {
+      return Keystore.fromString(localKeystoreString || "");
+    } catch(error) {
+      return Keystore.create();
+    }
   }
 
   public addEventListener(name: RLNEventsNames, fn: EventListener) {

src/services/waku.ts

@@ -53,7 +53,7 @@ class Relay {
 
       this.subscriptionRoutine = window.setInterval(async () => {
         await this.fetchMessages();
-      }, SECOND);
+      }, 10 * SECOND);
 
       this.contentTopicListeners.set(contentTopic, 1);
     } catch (error) {
@@ -83,8 +83,8 @@ class Relay {
     this.contentTopicListeners.delete(contentTopic);
   }
 
-  private async fetchMessages(): Promise<void> {
-    const contentTopic = Object.keys(this.contentTopicListeners)[0];
+  private async fetchMessages(): Promise<any> {
+    const contentTopic = Array.from(this.contentTopicListeners.keys())[0];
 
     if (!contentTopic) {
       return;

src/utils/http.ts

@@ -5,9 +5,7 @@ export const http = {
             mode: "no-cors",
             referrerPolicy: "no-referrer", 
             headers: {
-                'Accept': 'application/json',
-                'Content-Type': 'application/json',
-                "Access-Control-Allow-Origin": "*",
+                'Content-Type': 'text/plain',
             },
             body: JSON.stringify(body)
           });
@@ -18,14 +16,19 @@ export const http = {
             mode: "no-cors",
             referrerPolicy: "no-referrer", 
             headers: {
-                'Accept': 'application/json',
-                'Content-Type': 'application/json',
-                "Access-Control-Allow-Origin": "*",
+                'Content-Type': 'text/plain',
             },
             body: JSON.stringify(body)
           });
     },
     get(url: string) {
-        return fetch(new URL(url));
+        return fetch(new URL(url), {
+            method: "GET",
+            mode: "no-cors",
+            referrerPolicy: "no-referrer", 
+            headers: {
+                'Content-Type': 'text/plain'
+            },
+        });
     }
 };