fix .kind filter validator.

event.js

@@ -1,6 +1,6 @@
 import {Buffer} from 'buffer'
 import createHash from 'create-hash'
-import {signSchnorr, verifySchnorr} from 'tiny-secp256k1'
+import * as secp256k1 from '@noble/secp256k1'
 
 export function getBlankEvent() {
   return {
@@ -18,7 +18,7 @@ export function serializeEvent(evt) {
     evt.pubkey,
     evt.created_at,
     evt.kind,
-    evt.tags || [],
+    evt.tags,
     evt.content
   ])
 }
@@ -30,17 +30,27 @@ export function getEventHash(event) {
   return Buffer.from(eventHash).toString('hex')
 }
 
-export function verifySignature(event) {
+export function validateEvent(event) {
   if (event.id !== getEventHash(event)) return false
-  return verifySchnorr(
+  if (typeof event.content !== 'string') return false
-    Buffer.from(event.id, 'hex'),
+  if (typeof event.created_at !== 'number') return false
-    Buffer.from(event.pubkey, 'hex'),
+
-    Buffer.from(event.sig, 'hex')
+  if (!Array.isArray(event.tags)) return false
-  )
+  for (let i = 0; i < event.tags.length; i++) {
+    let tag = event.tags[i]
+    if (!Array.isArray(tag)) return false
+    for (let j = 0; j < tag.length; j++) {
+      if (typeof tag[j] === 'object') return false
+    }
+  }
+
+  return true
 }
 
-export function signEvent(event, key) {
+export function verifySignature(event) {
-  let eventHash = Buffer.from(getEventHash(event), 'hex')
+  return secp256k1.schnorr.verify(event.sig, event.id, event.pubkey)
-  let keyB = Buffer.from(key, 'hex')
+}
-  return Buffer.from(signSchnorr(eventHash, keyB)).toString('hex')
+
+export async function signEvent(event, key) {
+  return secp256k1.schnorr.sign(getEventHash(event), key)
 }

filter.js

@@ -1,7 +1,6 @@
 export function matchFilter(filter, event) {
   if (filter.id && event.id !== filter.id) return false
-  if (filter.kind && event.kind !== filter.kind) return false
+  if (typeof filter.kind === 'number' && event.kind !== filter.kind) return false
-  if (filter.author && event.pubkey !== filter.author) return false
   if (filter.authors && filter.authors.indexOf(event.pubkey) === -1)
     return false
   if (

index.js

@@ -4,6 +4,7 @@ import {relayPool} from './pool'
 import {
   getBlankEvent,
   signEvent,
+  validateEvent,
   verifySignature,
   serializeEvent,
   getEventHash
@@ -15,6 +16,7 @@ export {
   relayConnect,
   relayPool,
   signEvent,
+  validateEvent,
   verifySignature,
   serializeEvent,
   getEventHash,

keys.js

@@ -1,19 +1,9 @@
-import randomBytes from 'randombytes'
+import * as secp256k1 from '@noble/secp256k1'
-import {isPrivate, pointFromScalar} from 'tiny-secp256k1'
 
 export function generatePrivateKey() {
-  let i = 8
+  return Buffer.from(secp256k1.utils.randomPrivateKey()).toString('hex')
-  while (i--) {
-    let r32 = Buffer.from(randomBytes(32))
-    if (isPrivate(r32)) return r32.toString('hex')
-  }
-  throw new Error(
-    'Valid private key was not found in 8 iterations. PRNG is broken'
-  )
 }
 
 export function getPublicKey(privateKey) {
-  return Buffer.from(pointFromScalar(Buffer.from(privateKey, 'hex'), true))
+  return secp256k1.schnorr.getPublicKey(privateKey)
-    .toString('hex')
-    .slice(2)
 }

nip06.js

@@ -4,14 +4,13 @@ import {
   mnemonicToSeedSync,
   validateMnemonic
 } from 'micro-bip39'
-import BIP32Factory from 'bip32'
+import {HDKey} from 'micro-bip32'
-import * as ecc from 'tiny-secp256k1'
-
-const bip32 = BIP32Factory(ecc)
 
 export function privateKeyFromSeed(seed) {
-  let root = bip32.fromSeed(Buffer.from(seed, 'hex'))
+  let root = HDKey.fromMasterSeed(Buffer.from(seed, 'hex'))
-  return root.derivePath(`m/44'/1237'/0'/0'`).privateKey.toString('hex')
+  return Buffer.from(root.derive(`m/44'/1237'/0'/0'`).privateKey).toString(
+    'hex'
+  )
 }
 
 export function seedFromWords(mnemonic) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nostr-tools",
-  "version": "0.12.4",
+  "version": "0.15.1",
   "description": "Tools for making a Nostr client.",
   "repository": {
     "type": "git",
@@ -8,14 +8,13 @@
   },
   "dependencies": {
     "@noble/secp256k1": "^1.3.0",
-    "bip32": "^3.0.1",
     "browserify-cipher": ">=1",
     "buffer": ">=5",
     "create-hash": "^1.2.0",
     "dns-packet": "^5.2.4",
+    "micro-bip32": "^0.1.0",
     "micro-bip39": "^0.1.3",
     "randombytes": ">=2",
-    "tiny-secp256k1": "^2.1.2",
     "websocket-polyfill": "^0.0.3"
   },
   "keywords": [

pool.js

@@ -1,7 +1,13 @@
 import {getEventHash, signEvent} from './event'
 import {relayConnect, normalizeRelayURL} from './relay'
 
-export function relayPool(globalPrivateKey) {
+export function relayPool() {
+  var globalPrivateKey
+  const poolPolicy = {
+    // setting this to a number will cause events to be published to a random
+    // set of relays only, instead of publishing to all relays all the time
+    randomChoice: null
+  }
   const relays = {}
   const noticeCallbacks = []
 
@@ -66,25 +72,32 @@ export function relayPool(globalPrivateKey) {
     setPrivateKey(privateKey) {
       globalPrivateKey = privateKey
     },
-    async addRelay(url, policy = {read: true, write: true}) {
+    setPolicy(key, value) {
+      poolPolicy[key] = value
+    },
+    addRelay(url, policy = {read: true, write: true}) {
       let relayURL = normalizeRelayURL(url)
       if (relayURL in relays) return
 
-      let relay = await relayConnect(url, notice => {
+      let relay = relayConnect(url, notice => {
         propagateNotice(notice, relayURL)
       })
       relays[relayURL] = {relay, policy}
 
+      if (policy.read) {
         Object.values(activeSubscriptions).forEach(subscription =>
           subscription.addRelay(relay)
         )
+      }
 
       return relay
     },
     removeRelay(url) {
       let relayURL = normalizeRelayURL(url)
-      let {relay} = relays[relayURL]
+      let data = relays[relayURL]
-      if (!relay) return
+      if (!data) return
+
+      let {relay} = data
       Object.values(activeSubscriptions).forEach(subscription =>
         subscription.removeRelay(relay)
       )
@@ -99,7 +112,7 @@ export function relayPool(globalPrivateKey) {
       if (index !== -1) noticeCallbacks.splice(index, 1)
     },
     async publish(event, statusCallback = (status, relayURL) => {}) {
-      event.id = await getEventHash(event)
+      event.id = getEventHash(event)
 
       if (!event.sig) {
         event.tags = event.tags || []
@@ -113,18 +126,40 @@ export function relayPool(globalPrivateKey) {
         }
       }
 
-      Object.values(relays)
+      let writeable = Object.values(relays)
         .filter(({policy}) => policy.write)
-        .map(async ({relay}) => {
+        .sort(() => Math.random() - 0.5) // random
+
+      let maxTargets = poolPolicy.randomChoice
+        ? poolPolicy.randomChoice
+        : writeable.length
+
+      let successes = 0
+
+      for (let i = 0; i < writeable.length; i++) {
+        let {relay} = writeable[i]
+
         try {
-            await relay.publish(event, status =>
+          await new Promise(async (resolve, reject) => {
+            try {
+              await relay.publish(event, status => {
                 statusCallback(status, relay.url)
-            )
+                resolve()
+              })
             } catch (err) {
               statusCallback(-1, relay.url)
             }
           })
 
+          successes++
+          if (successes >= maxTargets) {
+            break
+          }
+        } catch (err) {
+          /***/
+        }
+      }
+
       return event
     }
   }

relay.js

@@ -2,11 +2,11 @@
 
 import 'websocket-polyfill'
 
-import {verifySignature} from './event'
+import {verifySignature, validateEvent} from './event'
 import {matchFilters} from './filter'
 
 export function normalizeRelayURL(url) {
-  let [host, ...qs] = url.split('?')
+  let [host, ...qs] = url.trim().split('?')
   if (host.slice(0, 4) === 'http') host = 'ws' + host.slice(4)
   if (host.slice(0, 2) !== 'ws') host = 'wss://' + host
   if (host.length && host[host.length - 1] === '/') host = host.slice(0, -1)
@@ -46,7 +46,7 @@ export function relayConnect(url, onNotice = () => {}, onError = () => {}) {
         }
       }
     }
-    ws.onerror = (err) => {
+    ws.onerror = err => {
       console.log('error connecting to relay', url)
       onError(err)
     }
@@ -93,7 +93,8 @@ export function relayConnect(url, onNotice = () => {}, onError = () => {}) {
           let event = data[2]
 
           if (
-            (await verifySignature(event)) &&
+            validateEvent(event) &&
+            verifySignature(event) &&
             channels[channel] &&
             matchFilters(openSubs[channel], event)
           ) {