should subscribe correctly

relay.js

@@ -85,8 +85,7 @@ export function relayConnect(url, onNotice) {
           } else {
             console.warn(
               'got event with invalid signature from ' + url,
-              event,
-              id
+              event
             )
           }
           return
@@ -116,7 +115,8 @@ export function relayConnect(url, onNotice) {
     }
   }
 
-  const sub = async (channel, {cb, filter}) => {
+  const sub = async ({cb, filter}) => {
+    const channel = (await sha256(Math.random().toString())).reduce((str, byte) => str + byte.toString(16).padStart(2, '0'), '')
     trySend(['REQ', channel, filter])
     channels[channel] = cb
 
@@ -128,9 +128,9 @@ export function relayConnect(url, onNotice) {
 
   return {
     url,
-    sub: sub.bind(null, await sha256(Math.random().toString())),
+    sub,
     async publish(event) {
-      trySend(JSON.stringify(['EVENT', event]))
+      trySend(['EVENT', event])
     },
     close() {
       ws.close()