use exponential backoff for reconnections.

nip06.js

@@ -1,4 +1,5 @@
 import createHmac from 'create-hmac'
+import randomBytes from 'randombytes'
 import * as bip39 from 'bip39'
 
 export function privateKeyFromSeed(seed) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nostr-tools",
-  "version": "0.7.0",
+  "version": "0.8.1",
   "description": "Tools for making a Nostr client.",
   "repository": {
     "type": "git",

pool.js

@@ -29,19 +29,23 @@ export function relayPool(globalPrivateKey) {
     const activeFilters = filter
 
     activeSubscriptions[id] = {
-      sub: ({cb = activeCallback, filter = activeFilters}) =>
+      sub: ({cb = activeCallback, filter = activeFilters}) => {
         Object.entries(subControllers).map(([relayURL, sub]) => [
           relayURL,
           sub.sub({cb, filter}, id)
-        ]),
+        ])
+        return activeSubscriptions[id]
+      },
       addRelay: relay => {
         subControllers[relay.url] = relay.sub({cb, filter})
+        return activeSubscriptions[id]
       },
       removeRelay: relayURL => {
         if (relayURL in subControllers) {
           subControllers[relayURL].unsub()
           if (Object.keys(subControllers).length === 0) unsub()
         }
+        return activeSubscriptions[id]
       },
       unsub: () => {
         Object.values(subControllers).forEach(sub => sub.unsub())

relay.js

@@ -46,7 +46,10 @@ export function relayConnect(url, onNotice) {
     ws.onclose = () => {
       resetOpenState()
       attemptNumber++
-      nextAttemptSeconds += attemptNumber
+      nextAttemptSeconds += attemptNumber ** 3
+      if (nextAttemptSeconds > 14400) {
+        nextAttemptSeconds = 14400 // 4 hours
+      }
       console.log(
         `relay ${url} connection closed. reconnecting in ${nextAttemptSeconds} seconds.`
       )
@@ -84,8 +87,6 @@ export function relayConnect(url, onNotice) {
             if (channels[channel]) {
               channels[channel](event)
             }
-          } else {
-            console.warn('got event with invalid signature from ' + url, event)
           }
           return
         }