bump noble-hashes.

Small fix of import SimplePool in new multiple relay docs.

.github/workflows/test.yml

@@ -1,7 +1,9 @@
 name: test every commit
 on:
-  - push
-  - pull_request
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
   test:

README.md

@@ -128,7 +128,7 @@ import 'websocket-polyfill'
 ### Interacting with multiple relays
 
 ```js
-import {pool} from 'nostr-tools'
+import {SimplePool} from 'nostr-tools'
 
 const pool = new SimplePool()
 
@@ -158,6 +158,11 @@ let events = await pool.list(relays, [{kinds: [0, 1]}])
 let event = await pool.get(relays, {
   ids: ['44e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245']
 })
+
+let relaysForEvent = pool.seenOn(
+  '44e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245'
+)
+// relaysForEvent will be an array of URLs from relays a given event was seen on
 ```
 
 ### Querying profile data from a NIP-05 address
@@ -288,6 +293,11 @@ Please consult the tests or [the source code](https://github.com/fiatjaf/nostr-t
 </script>
 ```
 
+## Plumbing
+
+1. Install [`just`](https://just.systems/)
+2. `just -l`
+
 ## License
 
 Public domain.

justfile

@@ -11,3 +11,6 @@ test: build
 
 testOnly file: build
     jest {{file}}
+
+publish: build
+    npm publish

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nostr-tools",
-  "version": "1.3.1",
+  "version": "1.4.0",
   "description": "Tools for making a Nostr client.",
   "repository": {
     "type": "git",
@@ -9,11 +9,12 @@
   "main": "lib/nostr.cjs.js",
   "module": "lib/nostr.esm.js",
   "dependencies": {
-    "@noble/hashes": "^0.5.7",
-    "@noble/secp256k1": "^1.7.0",
+    "@noble/hashes": "1.0.0",
+    "@noble/secp256k1": "^1.7.1",
     "@scure/base": "^1.1.1",
-    "@scure/bip32": "^1.1.1",
-    "@scure/bip39": "^1.1.0"
+    "@scure/bip32": "^1.1.5",
+    "@scure/bip39": "^1.1.1",
+    "prettier": "^2.8.4"
   },
   "keywords": [
     "decentralization",
@@ -23,20 +24,20 @@
     "nostr"
   ],
   "devDependencies": {
-    "@types/node": "^18.0.3",
-    "@typescript-eslint/eslint-plugin": "^5.46.1",
-    "@typescript-eslint/parser": "^5.46.1",
+    "@types/node": "^18.13.0",
+    "@typescript-eslint/eslint-plugin": "^5.51.0",
+    "@typescript-eslint/parser": "^5.51.0",
     "esbuild": "0.16.9",
     "esbuild-plugin-alias": "^0.2.1",
-    "eslint": "^8.30.0",
+    "eslint": "^8.33.0",
     "eslint-plugin-babel": "^5.3.1",
-    "esm-loader-typescript": "^1.0.1",
+    "esm-loader-typescript": "^1.0.3",
     "events": "^3.3.0",
-    "jest": "^29.3.1",
-    "node-fetch": "2",
-    "ts-jest": "^29.0.3",
+    "jest": "^29.4.2",
+    "node-fetch": "^2.6.9",
+    "ts-jest": "^29.0.5",
     "tsd": "^0.22.0",
-    "typescript": "^4.9.4",
+    "typescript": "^4.9.5",
     "websocket-polyfill": "^0.0.3"
   }
 }

pool.test.js

@@ -20,7 +20,12 @@ let relays = [
 ]
 
 afterAll(async () => {
-  await pool.close([...relays, 'wss://nostr-relay.untethr.me'])
+  await pool.close([
+    ...relays,
+    'wss://nostr-relay.untethr.me',
+    'wss://offchain.pub',
+    'wss://eden.nostr.land'
+  ])
 })
 
 test('removing duplicates when querying', async () => {
@@ -120,4 +125,9 @@ test('list()', async () => {
       .reduce((acc, n) => (acc.indexOf(n) !== -1 ? acc : [...acc, n]), [])
       .length
   )
+
+  let relaysForAllEvents = events
+    .map(event => pool.seenOn(event.id))
+    .reduce((acc, n) => acc.concat(n), [])
+  expect(relaysForAllEvents.length).toBeGreaterThanOrEqual(events.length)
 })

pool.ts

@@ -6,10 +6,10 @@ import {SubscriptionOptions, Sub, Pub} from './relay'
 
 export class SimplePool {
   private _conn: {[url: string]: Relay}
+  private _seenOn: {[id: string]: Set<string>} = {} // a map of all events we've seen in each relay
 
-  constructor(defaultRelays: string[] = []) {
+  constructor() {
     this._conn = {}
-    defaultRelays.forEach(this.ensureRelay)
   }
 
   async close(relays: string[]): Promise<void> {
@@ -37,7 +37,12 @@ export class SimplePool {
   sub(relays: string[], filters: Filter[], opts?: SubscriptionOptions): Sub {
     let _knownIds: Set<string> = new Set()
     let modifiedOpts = opts || {}
-    modifiedOpts.alreadyHaveEvent = id => _knownIds.has(id)
+    modifiedOpts.alreadyHaveEvent = (id, url) => {
+      let set = this._seenOn[id] || new Set()
+      set.add(url)
+      this._seenOn[id] = set
+      return _knownIds.has(id)
+    }
 
     let subs: Sub[] = []
     let eventListeners: Set<(event: Event) => void> = new Set()
@@ -47,9 +52,7 @@ export class SimplePool {
     let eoseSent = false
     let eoseTimeout = setTimeout(() => {
       eoseSent = true
-      for (let cb of eoseListeners.values()) {
-        cb()
-      }
+      for (let cb of eoseListeners.values()) cb()
     }, 2400)
 
     relays.forEach(async relay => {
@@ -58,9 +61,7 @@ export class SimplePool {
       let s = r.sub(filters, modifiedOpts)
       s.on('event', (event: Event) => {
         _knownIds.add(event.id as string)
-        for (let cb of eventListeners.values()) {
-          cb(event)
-        }
+        for (let cb of eventListeners.values()) cb(event)
       })
       s.on('eose', () => {
         if (eoseSent) return
@@ -68,9 +69,7 @@ export class SimplePool {
         eosesMissing--
         if (eosesMissing === 0) {
           clearTimeout(eoseTimeout)
-          for (let cb of eoseListeners.values()) {
-            cb()
-          }
+          for (let cb of eoseListeners.values()) cb()
         }
       })
       subs.push(s)
@@ -85,9 +84,14 @@ export class SimplePool {
         subs.forEach(sub => sub.unsub())
       },
       on(type, cb) {
-        if (type === 'event') {
+        switch (type) {
+          case 'event':
             eventListeners.add(cb)
-        } else if (type === 'eose') eoseListeners.add(cb)
+            break
+          case 'eose':
+            eoseListeners.add(cb)
+            break
+        }
       },
       off(type, cb) {
         if (type === 'event') {
@@ -147,6 +151,10 @@ export class SimplePool {
       return s
     })
   }
+
+  seenOn(id: string): string[] {
+    return Array.from(this._seenOn[id]?.values?.() || [])
+  }
 }
 
 function badPub(relay: string): Pub {

relay.ts

@@ -30,9 +30,9 @@ export type Sub = {
 }
 
 export type SubscriptionOptions = {
-  skipVerification?: boolean
-  alreadyHaveEvent?: null | ((id: string) => boolean)
   id?: string
+  skipVerification?: boolean
+  alreadyHaveEvent?: null | ((id: string, relay: string) => boolean)
 }
 
 export function relayInit(url: string): Relay {
@@ -112,7 +112,7 @@ export function relayInit(url: string): Relay {
           if (
             so &&
             so.alreadyHaveEvent &&
-            so.alreadyHaveEvent(getHex64(json, 'id'))
+            so.alreadyHaveEvent(getHex64(json, 'id'), url)
           ) {
             return
           }