fix some important bugs so it is actually usable.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nostr-tools",
-  "version": "0.4.4",
+  "version": "0.4.5",
   "description": "Tools for making a Nostr client.",
   "main": "index.js",
   "repository": {

pool.js

@@ -25,11 +25,14 @@ export function relayPool(globalPrivateKey) {
         ])
     )
 
+    const activeCallback = cb
+    const activeFilters = filter
+
     activeSubscriptions[id] = {
-      sub: ({cb = cb, filter = filter}) =>
+      sub: ({cb = activeCallback, filter = activeFilters}) =>
         Object.entries(subControllers).map(([relayURL, sub]) => [
           relayURL,
-          sub({cb, filter}, id)
+          sub.sub({cb, filter}, id)
         ]),
       addRelay: relay => {
         subControllers[relay.url] = relay.sub({cb, filter})

relay.js

@@ -118,8 +118,12 @@ export function relayConnect(url, onNotice) {
     channels[channel] = cb
     openSubs[channel] = filters
 
+    const activeCallback = cb
+    const activeFilters = filters
+
     return {
-      sub: ({cb = cb, filter = filter}) => sub({cb, filter}, channel),
+      sub: ({cb = activeCallback, filter = activeFilters}) =>
+        sub({cb, filter}, channel),
       unsub: () => {
         delete openSubs[channel]
         delete channels[channel]