mention nostrify.dev on readme.

* include method to list current pool relays connections and to close all connections

* fix prettier

README.md

@@ -4,7 +4,7 @@ Tools for developing [Nostr](https://github.com/fiatjaf/nostr) clients.
 
 Only depends on _@scure_ and _@noble_ packages.
 
-This package is only providing lower-level functionality. If you want an easy-to-use fully-fledged solution that abstracts the hard parts of Nostr and makes decisions on your behalf, take a look at [NDK](https://github.com/nostr-dev-kit/ndk) and [@snort/system](https://www.npmjs.com/package/@snort/system).
+This package is only providing lower-level functionality. If you want more higher-level features, take a look at [Nostrify](https://nostrify.dev), or if you want an easy-to-use fully-fledged solution that abstracts the hard parts of Nostr and makes decisions on your behalf, take a look at [NDK](https://github.com/nostr-dev-kit/ndk) and [@snort/system](https://www.npmjs.com/package/@snort/system).
 
 ## Installation
 
@@ -104,8 +104,11 @@ relay.close()
 To use this on Node.js you first must install `ws` and call something like this:
 
 ```js
-import { useWebSocketImplementation } from 'nostr-tools/relay'
-useWebSocketImplementation(require('ws'))
+import { useWebSocketImplementation } from 'nostr-tools/pool'
+// or import { useWebSocketImplementation } from 'nostr-tools/relay' if you're using the Relay directly
+
+import WebSocket from 'ws'
+useWebSocketImplementation(WebSocket)
 ```
 
 ### Interacting with multiple relays
@@ -194,6 +197,32 @@ declare global {
 }
 ```
 
+
+### Generating NIP-06 keys
+```js
+import {
+  privateKeyFromSeedWords,
+  accountFromSeedWords,
+  extendedKeysFromSeedWords,
+  accountFromExtendedKey
+} from 'nostr-tools/nip06'
+
+const mnemonic = 'zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo wrong'
+const passphrase = '123' // optional
+const accountIndex = 0
+const sk0 = privateKeyFromSeedWords(mnemonic, passphrase, accountIndex)
+
+const { privateKey: sk1, publicKey: pk1 } = accountFromSeedWords(mnemonic, passphrase, accountIndex)
+
+const extendedAccountIndex = 0
+
+const { privateExtendedKey, publicExtendedKey } = extendedKeysFromSeedWords(mnemonic, passphrase, extendedAccountIndex)
+
+const { privateKey: sk2, publicKey: pk2 } = accountFromExtendedKey(privateExtendedKey)
+
+const { publicKey: pk3 } = accountFromExtendedKey(publicExtendedKey)
+```
+
 ### Encoding and decoding NIP-19 codes
 
 ```js

abstract-pool.ts

@@ -1,4 +1,11 @@
-import { AbstractRelay as AbstractRelay, SubscriptionParams, Subscription } from './abstract-relay.ts'
+/* global WebSocket */
+
+import {
+  AbstractRelay as AbstractRelay,
+  SubscriptionParams,
+  Subscription,
+  type AbstractRelayConstructorOptions,
+} from './abstract-relay.ts'
 import { normalizeURL } from './utils.ts'
 
 import type { Event, Nostr } from './core.ts'
@@ -7,6 +14,8 @@ import { alwaysTrue } from './helpers.ts'
 
 export type SubCloser = { close: () => void }
 
+export type AbstractPoolConstructorOptions = AbstractRelayConstructorOptions & {}
+
 export type SubscribeManyParams = Omit<SubscriptionParams, 'onclose' | 'id'> & {
   maxWait?: number
   onclose?: (reasons: string[]) => void
@@ -14,15 +23,18 @@ export type SubscribeManyParams = Omit<SubscriptionParams, 'onclose' | 'id'> & {
 }
 
 export class AbstractSimplePool {
-  private relays = new Map<string, AbstractRelay>()
+  protected relays = new Map<string, AbstractRelay>()
   public seenOn: Map<string, Set<AbstractRelay>> = new Map()
   public trackRelays: boolean = false
 
   public verifyEvent: Nostr['verifyEvent']
   public trustedRelayURLs: Set<string> = new Set()
 
-  constructor(opts: { verifyEvent: Nostr['verifyEvent'] }) {
+  private _WebSocket?: typeof WebSocket
+
+  constructor(opts: AbstractPoolConstructorOptions) {
     this.verifyEvent = opts.verifyEvent
+    this._WebSocket = opts.websocketImplementation
   }
 
   async ensureRelay(url: string, params?: { connectionTimeout?: number }): Promise<AbstractRelay> {
@@ -32,6 +44,7 @@ export class AbstractSimplePool {
     if (!relay) {
       relay = new AbstractRelay(url, {
         verifyEvent: this.trustedRelayURLs.has(url) ? alwaysTrue : this.verifyEvent,
+        websocketImplementation: this._WebSocket,
       })
       if (params?.connectionTimeout) relay.connectionTimeout = params.connectionTimeout
       this.relays.set(url, relay)
@@ -195,4 +208,16 @@ export class AbstractSimplePool {
       return r.publish(event)
     })
   }
+
+  listConnectionStatus(): Map<string, boolean> {
+    const map = new Map<string, boolean>()
+    this.relays.forEach((relay, url) => map.set(url, relay.connected))
+
+    return map
+  }
+
+  destroy(): void {
+    this.relays.forEach(conn => conn.close())
+    this.relays = new Map()
+  }
 }

abstract-relay.ts

@@ -7,14 +7,9 @@ import { Queue, normalizeURL } from './utils.ts'
 import { makeAuthEvent } from './nip42.ts'
 import { yieldThread } from './helpers.ts'
 
-var _WebSocket: typeof WebSocket
-
-try {
-  _WebSocket = WebSocket
-} catch {}
-
-export function useWebSocketImplementation(websocketImplementation: any) {
-  _WebSocket = websocketImplementation
+export type AbstractRelayConstructorOptions = {
+  verifyEvent: Nostr['verifyEvent']
+  websocketImplementation?: typeof WebSocket
 }
 
 export class AbstractRelay {
@@ -42,12 +37,15 @@ export class AbstractRelay {
   private serial: number = 0
   private verifyEvent: Nostr['verifyEvent']
 
-  constructor(url: string, opts: { verifyEvent: Nostr['verifyEvent'] }) {
+  private _WebSocket: typeof WebSocket
+
+  constructor(url: string, opts: AbstractRelayConstructorOptions) {
     this.url = normalizeURL(url)
     this.verifyEvent = opts.verifyEvent
+    this._WebSocket = opts.websocketImplementation || WebSocket
   }
 
-  static async connect(url: string, opts: { verifyEvent: Nostr['verifyEvent'] }): Promise<AbstractRelay> {
+  static async connect(url: string, opts: AbstractRelayConstructorOptions): Promise<AbstractRelay> {
     const relay = new AbstractRelay(url, opts)
     await relay.connect()
     return relay
@@ -87,7 +85,7 @@ export class AbstractRelay {
       }, this.connectionTimeout)
 
       try {
-        this.ws = new _WebSocket(this.url)
+        this.ws = new this._WebSocket(this.url)
       } catch (err) {
         reject(err)
         return
@@ -100,7 +98,7 @@ export class AbstractRelay {
       }
 
       this.ws.onerror = ev => {
-        reject((ev as any).message)
+        reject((ev as any).message || 'websocket error')
         if (this._connected) {
           this._connected = false
           this.connectionPromise = undefined

filter.test.ts

@@ -215,6 +215,16 @@ describe('Filter', () => {
       expect(getFilterLimit({ kinds: [0, 3], authors: ['alex', 'fiatjaf'] })).toEqual(4)
     })
 
+    test('should handle parameterized replaceable events', () => {
+      expect(getFilterLimit({ kinds: [30078], authors: ['alex'] })).toEqual(Infinity)
+      expect(getFilterLimit({ kinds: [30078], authors: ['alex'], '#d': ['ditto'] })).toEqual(1)
+      expect(getFilterLimit({ kinds: [30078], authors: ['alex'], '#d': ['ditto', 'soapbox'] })).toEqual(2)
+      expect(getFilterLimit({ kinds: [30078], authors: ['alex', 'fiatjaf'], '#d': ['ditto', 'soapbox'] })).toEqual(4)
+      expect(
+        getFilterLimit({ kinds: [30000, 30078], authors: ['alex', 'fiatjaf'], '#d': ['ditto', 'soapbox'] }),
+      ).toEqual(8)
+    })
+
     test('should return Infinity for authors with regular kinds', () => {
       expect(getFilterLimit({ kinds: [1], authors: ['alex'] })).toEqual(Infinity)
     })
@@ -222,5 +232,9 @@ describe('Filter', () => {
     test('should return Infinity for empty filters', () => {
       expect(getFilterLimit({})).toEqual(Infinity)
     })
+
+    test('empty tags return 0', () => {
+      expect(getFilterLimit({ '#p': [] })).toEqual(0)
+    })
   })
 })

filter.ts

@@ -1,5 +1,5 @@
 import { Event } from './core.ts'
-import { isReplaceableKind } from './kinds.ts'
+import { isParameterizedReplaceableKind, isReplaceableKind } from './kinds.ts'
 
 export type Filter = {
   ids?: string[]
@@ -72,17 +72,34 @@ export function mergeFilters(...filters: Filter[]): Filter {
   return result
 }
 
-/** Calculate the intrinsic limit of a filter. This function may return `Infinity`. */
+/**
+ * Calculate the intrinsic limit of a filter.
+ * This function returns a positive integer, or `Infinity` if there is no intrinsic limit.
+ */
 export function getFilterLimit(filter: Filter): number {
   if (filter.ids && !filter.ids.length) return 0
   if (filter.kinds && !filter.kinds.length) return 0
   if (filter.authors && !filter.authors.length) return 0
 
+  for (const [key, value] of Object.entries(filter)) {
+    if (key[0] === '#' && Array.isArray(value) && !value.length) return 0
+  }
+
   return Math.min(
+    // The `limit` property creates an artificial limit.
     Math.max(0, filter.limit ?? Infinity),
+
+    // There can only be one event per `id`.
     filter.ids?.length ?? Infinity,
+
+    // Replaceable events are limited by the number of authors and kinds.
     filter.authors?.length && filter.kinds?.every(kind => isReplaceableKind(kind))
       ? filter.authors.length * filter.kinds.length
       : Infinity,
+
+    // Parameterized replaceable events are limited by the number of authors, kinds, and "d" tags.
+    filter.authors?.length && filter.kinds?.every(kind => isParameterizedReplaceableKind(kind)) && filter['#d']?.length
+      ? filter.authors.length * filter.kinds.length * filter['#d'].length
+      : Infinity,
   )
 }

index.ts

@@ -1,7 +1,7 @@
 export * from './pure.ts'
-export * from './relay.ts'
+export { Relay } from './relay.ts'
 export * from './filter.ts'
-export * from './pool.ts'
+export { SimplePool } from './pool.ts'
 export * from './references.ts'
 
 export * as nip04 from './nip04.ts'

nip06.test.ts

@@ -3,7 +3,7 @@ import {
   privateKeyFromSeedWords,
   accountFromSeedWords,
   extendedKeysFromSeedWords,
-  accountFromExtendedKey
+  accountFromExtendedKey,
 } from './nip06.ts'
 
 test('generate private key from a mnemonic', async () => {
@@ -44,14 +44,23 @@ test('generate extended keys from mnemonic', () => {
   const mnemonic = 'abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about'
   const passphrase = ''
   const extendedAccountIndex = 0
-  const { privateExtendedKey, publicExtendedKey } = extendedKeysFromSeedWords(mnemonic, passphrase, extendedAccountIndex)
+  const { privateExtendedKey, publicExtendedKey } = extendedKeysFromSeedWords(
+    mnemonic,
+    passphrase,
+    extendedAccountIndex,
+  )
 
-  expect(privateExtendedKey).toBe('xprv9z78fizET65qsCaRr1MSutTSGk1fcKfSt1sBqmuWShtkjRJJ4WCKcSnha6EmgNzFSsyom3MWtydHyPtJtSLZQUtictVQtM2vkPcguh6TQCH')
-  expect(publicExtendedKey).toBe('xpub6D6V5EX8HTe95getx2tTH2QApmrA1nPJFEnneAK813RjcDdSc3WaAF7BRNpTF7o7zXjVm3DD3VMX66jhQ7wLaZ9sS6NzyfiwfzqDZbxvpDN')
+  expect(privateExtendedKey).toBe(
+    'xprv9z78fizET65qsCaRr1MSutTSGk1fcKfSt1sBqmuWShtkjRJJ4WCKcSnha6EmgNzFSsyom3MWtydHyPtJtSLZQUtictVQtM2vkPcguh6TQCH',
+  )
+  expect(publicExtendedKey).toBe(
+    'xpub6D6V5EX8HTe95getx2tTH2QApmrA1nPJFEnneAK813RjcDdSc3WaAF7BRNpTF7o7zXjVm3DD3VMX66jhQ7wLaZ9sS6NzyfiwfzqDZbxvpDN',
+  )
 })
 
 test('generate account from extended private key', () => {
-  const xprv = 'xprv9z78fizET65qsCaRr1MSutTSGk1fcKfSt1sBqmuWShtkjRJJ4WCKcSnha6EmgNzFSsyom3MWtydHyPtJtSLZQUtictVQtM2vkPcguh6TQCH'
+  const xprv =
+    'xprv9z78fizET65qsCaRr1MSutTSGk1fcKfSt1sBqmuWShtkjRJJ4WCKcSnha6EmgNzFSsyom3MWtydHyPtJtSLZQUtictVQtM2vkPcguh6TQCH'
   const { privateKey, publicKey } = accountFromExtendedKey(xprv)
 
   expect(privateKey).toBe('5f29af3b9676180290e77a4efad265c4c2ff28a5302461f73597fda26bb25731')
@@ -59,7 +68,8 @@ test('generate account from extended private key', () => {
 })
 
 test('generate account from extended public key', () => {
-  const xpub = 'xpub6D6V5EX8HTe95getx2tTH2QApmrA1nPJFEnneAK813RjcDdSc3WaAF7BRNpTF7o7zXjVm3DD3VMX66jhQ7wLaZ9sS6NzyfiwfzqDZbxvpDN'
+  const xpub =
+    'xpub6D6V5EX8HTe95getx2tTH2QApmrA1nPJFEnneAK813RjcDdSc3WaAF7BRNpTF7o7zXjVm3DD3VMX66jhQ7wLaZ9sS6NzyfiwfzqDZbxvpDN'
   const { publicKey } = accountFromExtendedKey(xpub)
 
   expect(publicKey).toBe('e8bcf3823669444d0b49ad45d65088635d9fd8500a75b5f20b59abefa56a144f')

nip06.ts

@@ -12,9 +12,13 @@ export function privateKeyFromSeedWords(mnemonic: string, passphrase?: string, a
   return bytesToHex(privateKey)
 }
 
-export function accountFromSeedWords(mnemonic: string, passphrase?: string, accountIndex = 0): {
-  privateKey: string,
-  publicKey: string,
+export function accountFromSeedWords(
+  mnemonic: string,
+  passphrase?: string,
+  accountIndex = 0,
+): {
+  privateKey: string
+  publicKey: string
 } {
   const root = HDKey.fromMasterSeed(mnemonicToSeedSync(mnemonic, passphrase))
   const seed = root.derive(`${DERIVATION_PATH}/${accountIndex}'/0/0`)
@@ -26,8 +30,12 @@ export function accountFromSeedWords(mnemonic: string, passphrase?: string, acco
   return { privateKey, publicKey }
 }
 
-export function extendedKeysFromSeedWords(mnemonic: string, passphrase?: string, extendedAccountIndex = 0): {
-  privateExtendedKey: string,
+export function extendedKeysFromSeedWords(
+  mnemonic: string,
+  passphrase?: string,
+  extendedAccountIndex = 0,
+): {
+  privateExtendedKey: string
   publicExtendedKey: string
 } {
   let root = HDKey.fromMasterSeed(mnemonicToSeedSync(mnemonic, passphrase))
@@ -38,8 +46,11 @@ export function extendedKeysFromSeedWords(mnemonic: string, passphrase?: string,
   return { privateExtendedKey, publicExtendedKey }
 }
 
-export function accountFromExtendedKey(base58key: string, accountIndex = 0): {
-  privateKey?: string,
+export function accountFromExtendedKey(
+  base58key: string,
+  accountIndex = 0,
+): {
+  privateKey?: string
   publicKey: string
 } {
   let extendedKey = HDKey.fromExtendedKey(base58key)
@@ -50,9 +61,9 @@ export function accountFromExtendedKey(base58key: string, accountIndex = 0): {
   if (version === 'xprv') {
     let privateKey = bytesToHex(child.privateKey!)
     if (!privateKey) throw new Error('could not derive private key')
-    return { privateKey, publicKey } 
+    return { privateKey, publicKey }
   }
-  return { publicKey } 
+  return { publicKey }
 }
 
 export function generateSeedWords(): string {

nip07.ts

@@ -7,7 +7,7 @@ export interface WindowNostr {
   getRelays(): Promise<RelayRecord>
   nip04?: {
     encrypt(pubkey: string, plaintext: string): Promise<string>
-    ecrypt(pubkey: string, ciphertext: string): Promise<string>
+    decrypt(pubkey: string, ciphertext: string): Promise<string>
   }
   nip44?: {
     encrypt(pubkey: string, plaintext: string): Promise<string>

nip11.ts

@@ -68,7 +68,7 @@ export interface BasicRelayInformation {
  * from `[` to `]` and is after UTF-8 serialization (so some
  * unicode characters will cost 2-3 bytes). It is equal to
  * the maximum size of the WebSocket message frame.
- * @param max_subscription total number of subscriptions
+ * @param max_subscriptions total number of subscriptions
  * that may be active on a single websocket connection to
  * this relay. It's possible that authenticated clients with
  * a (paid) relationship to the relay may have higher limits.
@@ -101,12 +101,17 @@ export interface BasicRelayInformation {
  * authentication to happen before a new connection may
  * perform any other action. Even if set to False,
  * authentication may be required for specific actions.
+ * @param restricted_writes: this relay requires some kind
+ * of condition to be fulfilled in order to accept events
+ * (not necessarily, but including
  * @param payment_required this relay requires payment
  * before a new connection may perform any action.
+ * @param created_at_lower_limit: 'created_at' lower limit
+ * @param created_at_upper_limit: 'created_at' upper limit
  */
 export interface Limitations {
   max_message_length: number
-  max_subscription: number
+  max_subscriptions: number
   max_filters: number
   max_limit: number
   max_subid_length: number
@@ -116,6 +121,9 @@ export interface Limitations {
   min_pow_difficulty: number
   auth_required: boolean
   payment_required: boolean
+  created_at_lower_limit: number
+  created_at_upper_limit: number
+  restricted_writes: boolean
 }
 
 interface RetentionDetails {

nip29.ts

@@ -1,80 +1,514 @@
 import { AbstractSimplePool } from './abstract-pool.ts'
 import { Subscription } from './abstract-relay.ts'
-import { decode } from './nip19.ts'
-import type { Event } from './core.ts'
-import { fetchRelayInformation } from './nip11.ts'
+import type { Event, EventTemplate } from './core.ts'
+import { fetchRelayInformation, RelayInformation } from './nip11.ts'
+import { AddressPointer, decode } from './nip19.ts'
 import { normalizeURL } from './utils.ts'
-import { AddressPointer } from './nip19.ts'
 
-export function subscribeRelayGroups(
-  pool: AbstractSimplePool,
-  url: string,
-  params: {
-    ongroups: (_: Group[]) => void
-    onerror: (_: Error) => void
-    onconnect?: () => void
-  },
-): () => void {
-  let normalized = normalizeURL(url)
-  let sub: Subscription
-  let groups: Group[] = []
-
-  fetchRelayInformation(normalized)
-    .then(async info => {
-      let rl = await pool.ensureRelay(normalized)
-      params.onconnect?.()
-      sub = rl.prepareSubscription(
-        [
-          {
-            kinds: [39000],
-            limit: 50,
-            authors: [info.pubkey],
-          },
-        ],
-        {
-          onevent(event: Event) {
-            groups.push(parseGroup(event, normalized))
-          },
-          oneose() {
-            params.ongroups(groups)
-            sub.onevent = (event: Event) => {
-              groups.push(parseGroup(event, normalized))
-              params.ongroups(groups)
-            }
-          },
-        },
-      )
-      sub.fire()
-    })
-    .catch(params.onerror)
-
-  return () => sub.close()
+/**
+ * Represents a NIP29 group.
+ */
+export type Group = {
+  relay: string
+  metadata: GroupMetadata
+  admins?: GroupAdmin[]
+  members?: GroupMember[]
+  reference: GroupReference
 }
 
-export async function loadGroup(pool: AbstractSimplePool, gr: GroupReference): Promise<Group> {
-  let normalized = normalizeURL(gr.host)
-
-  let info = await fetchRelayInformation(normalized)
-  let event = await pool.get([normalized], {
-    kinds: [39000],
-    authors: [info.pubkey],
-    '#d': [gr.id],
-  })
-  if (!event) throw new Error(`group '${gr.id}' not found on ${gr.host}`)
-  return parseGroup(event, normalized)
-}
-
-export async function loadGroupFromCode(pool: AbstractSimplePool, code: string): Promise<Group> {
-  let gr = parseGroupCode(code)
-  if (!gr) throw new Error(`code "${code}" does not identify a group`)
-  return loadGroup(pool, gr)
+/**
+ * Represents the metadata for a NIP29 group.
+ */
+export type GroupMetadata = {
+  id: string
+  pubkey: string
+  name?: string
+  picture?: string
+  about?: string
+  isPublic?: boolean
+  isOpen?: boolean
 }
 
+/**
+ * Represents a NIP29 group reference.
+ */
 export type GroupReference = {
   id: string
   host: string
 }
 
+/**
+ * Represents a NIP29 group member.
+ */
+export type GroupMember = {
+  pubkey: string
+  label?: string
+}
+
+/**
+ * Represents a NIP29 group admin.
+ */
+export type GroupAdmin = {
+  pubkey: string
+  label?: string
+  permissions: GroupAdminPermission[]
+}
+
+/**
+ * Represents the permissions that a NIP29 group admin can have.
+ */
+export enum GroupAdminPermission {
+  AddUser = 'add-user',
+  EditMetadata = 'edit-metadata',
+  DeleteEvent = 'delete-event',
+  RemoveUser = 'remove-user',
+  AddPermission = 'add-permission',
+  RemovePermission = 'remove-permission',
+  EditGroupStatus = 'edit-group-status',
+}
+
+/**
+ * Generates a group metadata event template.
+ *
+ * @param group - The group object.
+ * @returns An event template with the generated group metadata that can be signed later.
+ */
+export function generateGroupMetadataEventTemplate(group: Group): EventTemplate {
+  const tags: string[][] = [['d', group.metadata.id]]
+  group.metadata.name && tags.push(['name', group.metadata.name])
+  group.metadata.picture && tags.push(['picture', group.metadata.picture])
+  group.metadata.about && tags.push(['about', group.metadata.about])
+  group.metadata.isPublic && tags.push(['public'])
+  group.metadata.isOpen && tags.push(['open'])
+
+  return {
+    content: '',
+    created_at: Math.floor(Date.now() / 1000),
+    kind: 39000,
+    tags,
+  }
+}
+
+/**
+ * Validates a group metadata event.
+ *
+ * @param event - The event to validate.
+ * @returns A boolean indicating whether the event is valid.
+ */
+export function validateGroupMetadataEvent(event: Event): boolean {
+  if (event.kind !== 39000) return false
+
+  if (!event.pubkey) return false
+
+  const requiredTags = ['d'] as const
+  for (const tag of requiredTags) {
+    if (!event.tags.find(([t]) => t == tag)) return false
+  }
+
+  return true
+}
+
+/**
+ * Generates an event template for group admins.
+ *
+ * @param group - The group object.
+ * @param admins - An array of group admins.
+ * @returns The generated event template with the group admins that can be signed later.
+ */
+export function generateGroupAdminsEventTemplate(group: Group, admins: GroupAdmin[]): EventTemplate {
+  const tags: string[][] = [['d', group.metadata.id]]
+  for (const admin of admins) {
+    tags.push(['p', admin.pubkey, admin.label || '', ...admin.permissions])
+  }
+
+  return {
+    content: '',
+    created_at: Math.floor(Date.now() / 1000),
+    kind: 39001,
+    tags,
+  }
+}
+
+/**
+ * Validates a group admins event.
+ *
+ * @param event - The event to validate.
+ * @returns True if the event is valid, false otherwise.
+ */
+export function validateGroupAdminsEvent(event: Event): boolean {
+  if (event.kind !== 39001) return false
+
+  const requiredTags = ['d'] as const
+  for (const tag of requiredTags) {
+    if (!event.tags.find(([t]) => t == tag)) return false
+  }
+
+  // validate permissions
+  for (const [tag, value, label, ...permissions] of event.tags) {
+    if (tag !== 'p') continue
+
+    for (let i = 0; i < permissions.length; i += 1) {
+      if (typeof permissions[i] !== 'string') return false
+
+      // validate permission name from the GroupAdminPermission enum
+      if (!Object.values(GroupAdminPermission).includes(permissions[i] as GroupAdminPermission)) return false
+    }
+  }
+
+  return true
+}
+
+/**
+ * Generates an event template for a group with its members.
+ *
+ * @param group - The group object.
+ * @param members - An array of group members.
+ * @returns The generated event template with the group members that can be signed later.
+ */
+export function generateGroupMembersEventTemplate(group: Group, members: GroupMember[]): EventTemplate {
+  const tags: string[][] = [['d', group.metadata.id]]
+  for (const member of members) {
+    tags.push(['p', member.pubkey, member.label || ''])
+  }
+
+  return {
+    content: '',
+    created_at: Math.floor(Date.now() / 1000),
+    kind: 39002,
+    tags,
+  }
+}
+
+/**
+ * Validates a group members event.
+ *
+ * @param event - The event to validate.
+ * @returns Returns `true` if the event is a valid group members event, `false` otherwise.
+ */
+export function validateGroupMembersEvent(event: Event): boolean {
+  if (event.kind !== 39002) return false
+
+  const requiredTags = ['d'] as const
+  for (const tag of requiredTags) {
+    if (!event.tags.find(([t]) => t == tag)) return false
+  }
+
+  return true
+}
+
+/**
+ * Returns the normalized relay URL based on the provided group reference.
+ *
+ * @param groupReference - The group reference object containing the host.
+ * @returns The normalized relay URL.
+ */
+export function getNormalizedRelayURLByGroupReference(groupReference: GroupReference): string {
+  return normalizeURL(groupReference.host)
+}
+
+/**
+ * Fetches relay information by group reference.
+ *
+ * @param groupReference The group reference.
+ * @returns A promise that resolves to the relay information.
+ */
+export async function fetchRelayInformationByGroupReference(groupReference: GroupReference): Promise<RelayInformation> {
+  const normalizedRelayURL = getNormalizedRelayURLByGroupReference(groupReference)
+
+  return fetchRelayInformation(normalizedRelayURL)
+}
+
+/**
+ * Fetches the group metadata event from the specified pool.
+ * If the normalizedRelayURL is not provided, it will be obtained using the groupReference.
+ * If the relayInformation is not provided, it will be fetched using the normalizedRelayURL.
+ *
+ * @param {Object} options - The options object.
+ * @param {AbstractSimplePool} options.pool - The pool to fetch the group metadata event from.
+ * @param {GroupReference} options.groupReference - The reference to the group.
+ * @param {string} [options.normalizedRelayURL] - The normalized URL of the relay.
+ * @param {RelayInformation} [options.relayInformation] - The relay information object.
+ * @returns {Promise<Event>} The group metadata event that can be parsed later to get the group metadata object.
+ * @throws {Error} If the group is not found on the specified relay.
+ */
+export async function fetchGroupMetadataEvent({
+  pool,
+  groupReference,
+  relayInformation,
+  normalizedRelayURL,
+}: {
+  pool: AbstractSimplePool
+  groupReference: GroupReference
+  normalizedRelayURL?: string
+  relayInformation?: RelayInformation
+}): Promise<Event> {
+  if (!normalizedRelayURL) {
+    normalizedRelayURL = getNormalizedRelayURLByGroupReference(groupReference)
+  }
+
+  if (!relayInformation) {
+    relayInformation = await fetchRelayInformation(normalizedRelayURL)
+  }
+
+  const groupMetadataEvent = await pool.get([normalizedRelayURL], {
+    kinds: [39000],
+    authors: [relayInformation.pubkey],
+    '#d': [groupReference.id],
+  })
+
+  if (!groupMetadataEvent) throw new Error(`group '${groupReference.id}' not found on ${normalizedRelayURL}`)
+
+  return groupMetadataEvent
+}
+
+/**
+ * Parses a group metadata event and returns the corresponding GroupMetadata object.
+ *
+ * @param event - The event to parse.
+ * @returns The parsed GroupMetadata object.
+ * @throws An error if the group metadata event is invalid.
+ */
+export function parseGroupMetadataEvent(event: Event): GroupMetadata {
+  if (!validateGroupMetadataEvent(event)) throw new Error('invalid group metadata event')
+
+  const metadata: GroupMetadata = {
+    id: '',
+    pubkey: event.pubkey,
+  }
+
+  for (const [tag, value] of event.tags) {
+    switch (tag) {
+      case 'd':
+        metadata.id = value
+        break
+      case 'name':
+        metadata.name = value
+        break
+      case 'picture':
+        metadata.picture = value
+        break
+      case 'about':
+        metadata.about = value
+        break
+      case 'public':
+        metadata.isPublic = true
+        break
+      case 'open':
+        metadata.isOpen = true
+        break
+    }
+  }
+
+  return metadata
+}
+
+/**
+ * Fetches the group admins event from the specified pool.
+ * If the normalizedRelayURL is not provided, it will be obtained from the groupReference.
+ * If the relayInformation is not provided, it will be fetched using the normalizedRelayURL.
+ *
+ * @param {Object} options - The options object.
+ * @param {AbstractSimplePool} options.pool - The pool to fetch the group admins event from.
+ * @param {GroupReference} options.groupReference - The reference to the group.
+ * @param {string} [options.normalizedRelayURL] - The normalized relay URL.
+ * @param {RelayInformation} [options.relayInformation] - The relay information.
+ * @returns {Promise<Event>} The group admins event that can be parsed later to get the group admins object.
+ * @throws {Error} If the group admins event is not found on the specified relay.
+ */
+export async function fetchGroupAdminsEvent({
+  pool,
+  groupReference,
+  relayInformation,
+  normalizedRelayURL,
+}: {
+  pool: AbstractSimplePool
+  groupReference: GroupReference
+  normalizedRelayURL?: string
+  relayInformation?: RelayInformation
+}): Promise<Event> {
+  if (!normalizedRelayURL) {
+    normalizedRelayURL = getNormalizedRelayURLByGroupReference(groupReference)
+  }
+
+  if (!relayInformation) {
+    relayInformation = await fetchRelayInformation(normalizedRelayURL)
+  }
+
+  const groupAdminsEvent = await pool.get([normalizedRelayURL], {
+    kinds: [39001],
+    authors: [relayInformation.pubkey],
+    '#d': [groupReference.id],
+  })
+
+  if (!groupAdminsEvent) throw new Error(`admins for group '${groupReference.id}' not found on ${normalizedRelayURL}`)
+
+  return groupAdminsEvent
+}
+
+/**
+ * Parses a group admins event and returns an array of GroupAdmin objects.
+ *
+ * @param event - The event to parse.
+ * @returns An array of GroupAdmin objects.
+ * @throws Throws an error if the group admins event is invalid.
+ */
+export function parseGroupAdminsEvent(event: Event): GroupAdmin[] {
+  if (!validateGroupAdminsEvent(event)) throw new Error('invalid group admins event')
+
+  const admins: GroupAdmin[] = []
+
+  for (const [tag, value, label, ...permissions] of event.tags) {
+    if (tag !== 'p') continue
+
+    admins.push({
+      pubkey: value,
+      label,
+      permissions: permissions as GroupAdminPermission[],
+    })
+  }
+
+  return admins
+}
+
+/**
+ * Fetches the group members event from the specified relay.
+ * If the normalizedRelayURL is not provided, it will be obtained using the groupReference.
+ * If the relayInformation is not provided, it will be fetched using the normalizedRelayURL.
+ *
+ * @param {Object} options - The options object.
+ * @param {AbstractSimplePool} options.pool - The pool object.
+ * @param {GroupReference} options.groupReference - The group reference object.
+ * @param {string} [options.normalizedRelayURL] - The normalized relay URL.
+ * @param {RelayInformation} [options.relayInformation] - The relay information object.
+ * @returns {Promise<Event>} The group members event that can be parsed later to get the group members object.
+ * @throws {Error} If the group members event is not found.
+ */
+export async function fetchGroupMembersEvent({
+  pool,
+  groupReference,
+  relayInformation,
+  normalizedRelayURL,
+}: {
+  pool: AbstractSimplePool
+  groupReference: GroupReference
+  normalizedRelayURL?: string
+  relayInformation?: RelayInformation
+}): Promise<Event> {
+  if (!normalizedRelayURL) {
+    normalizedRelayURL = getNormalizedRelayURLByGroupReference(groupReference)
+  }
+
+  if (!relayInformation) {
+    relayInformation = await fetchRelayInformation(normalizedRelayURL)
+  }
+
+  const groupMembersEvent = await pool.get([normalizedRelayURL], {
+    kinds: [39002],
+    authors: [relayInformation.pubkey],
+    '#d': [groupReference.id],
+  })
+
+  if (!groupMembersEvent) throw new Error(`members for group '${groupReference.id}' not found on ${normalizedRelayURL}`)
+
+  return groupMembersEvent
+}
+
+/**
+ * Parses a group members event and returns an array of GroupMember objects.
+ * @param event - The event to parse.
+ * @returns An array of GroupMember objects.
+ * @throws Throws an error if the group members event is invalid.
+ */
+export function parseGroupMembersEvent(event: Event): GroupMember[] {
+  if (!validateGroupMembersEvent(event)) throw new Error('invalid group members event')
+
+  const members: GroupMember[] = []
+
+  for (const [tag, value, label] of event.tags) {
+    if (tag !== 'p') continue
+
+    members.push({
+      pubkey: value,
+      label,
+    })
+  }
+
+  return members
+}
+
+/**
+ * Fetches and parses the group metadata event, group admins event, and group members event from the specified pool.
+ * If the normalized relay URL is not provided, it will be obtained using the group reference.
+ * If the relay information is not provided, it will be fetched using the normalized relay URL.
+ *
+ * @param {Object} options - The options for loading the group.
+ * @param {AbstractSimplePool} options.pool - The pool to load the group from.
+ * @param {GroupReference} options.groupReference - The reference of the group to load.
+ * @param {string} [options.normalizedRelayURL] - The normalized URL of the relay to use.
+ * @param {RelayInformation} [options.relayInformation] - The relay information to use.
+ * @returns {Promise<Group>} A promise that resolves to the loaded group.
+ */
+export async function loadGroup({
+  pool,
+  groupReference,
+  normalizedRelayURL,
+  relayInformation,
+}: {
+  pool: AbstractSimplePool
+  groupReference: GroupReference
+  normalizedRelayURL?: string
+  relayInformation?: RelayInformation
+}): Promise<Group> {
+  if (!normalizedRelayURL) {
+    normalizedRelayURL = getNormalizedRelayURLByGroupReference(groupReference)
+  }
+
+  if (!relayInformation) {
+    relayInformation = await fetchRelayInformation(normalizedRelayURL)
+  }
+
+  const metadataEvent = await fetchGroupMetadataEvent({ pool, groupReference, normalizedRelayURL, relayInformation })
+  const metadata = parseGroupMetadataEvent(metadataEvent)
+
+  const adminsEvent = await fetchGroupAdminsEvent({ pool, groupReference, normalizedRelayURL, relayInformation })
+  const admins = parseGroupAdminsEvent(adminsEvent)
+
+  const membersEvent = await fetchGroupMembersEvent({ pool, groupReference, normalizedRelayURL, relayInformation })
+  const members = parseGroupMembersEvent(membersEvent)
+
+  const group: Group = {
+    relay: normalizedRelayURL,
+    metadata,
+    admins,
+    members,
+    reference: groupReference,
+  }
+
+  return group
+}
+
+/**
+ * Loads a group from the specified pool using the provided group code.
+ *
+ * @param {AbstractSimplePool} pool - The pool to load the group from.
+ * @param {string} code - The code representing the group.
+ * @returns {Promise<Group>} - A promise that resolves to the loaded group.
+ * @throws {Error} - If the group code is invalid.
+ */
+export async function loadGroupFromCode(pool: AbstractSimplePool, code: string): Promise<Group> {
+  const groupReference = parseGroupCode(code)
+
+  if (!groupReference) throw new Error('invalid group code')
+
+  return loadGroup({ pool, groupReference })
+}
+
+/**
+ * Parses a group code and returns a GroupReference object.
+ *
+ * @param code The group code to parse.
+ * @returns A GroupReference object if the code is valid, otherwise null.
+ */
 export function parseGroupCode(code: string): null | GroupReference {
   if (code.startsWith('naddr1')) {
     try {
@@ -99,68 +533,74 @@ export function parseGroupCode(code: string): null | GroupReference {
   return null
 }
 
+/**
+ * Encodes a group reference into a string.
+ *
+ * @param gr - The group reference to encode.
+ * @returns The encoded group reference as a string.
+ */
 export function encodeGroupReference(gr: GroupReference): string {
-  if (gr.host.startsWith('https://')) gr.host = gr.host.slice(8)
-  if (gr.host.startsWith('wss://')) gr.host = gr.host.slice(6)
-  return `${gr.host}'${gr.id}`
+  const { host, id } = gr
+  const normalizedHost = host.replace(/^(https?:\/\/|wss?:\/\/)/, '')
+
+  return `${normalizedHost}'${id}`
 }
 
-export type Group = {
-  id: string
-  relay: string
-  pubkey: string
-  name?: string
-  picture?: string
-  about?: string
-  public?: boolean
-  open?: boolean
-}
+/**
+ * Subscribes to relay groups metadata events and calls the provided event handler function
+ * when an event is received.
+ *
+ * @param {Object} options - The options for subscribing to relay groups metadata events.
+ * @param {AbstractSimplePool} options.pool - The pool to subscribe to.
+ * @param {string} options.relayURL - The URL of the relay.
+ * @param {Function} options.onError - The error handler function.
+ * @param {Function} options.onEvent - The event handler function.
+ * @param {Function} [options.onConnect] - The connect handler function.
+ * @returns {Function} - A function to close the subscription
+ */
+export function subscribeRelayGroupsMetadataEvents({
+  pool,
+  relayURL,
+  onError,
+  onEvent,
+  onConnect,
+}: {
+  pool: AbstractSimplePool
+  relayURL: string
+  onError: (err: Error) => void
+  onEvent: (event: Event) => void
+  onConnect?: () => void
+}): () => void {
+  let sub: Subscription
 
-export function parseGroup(event: Event, relay: string): Group {
-  const group: Partial<Group> = { relay, pubkey: event.pubkey }
-  for (let i = 0; i < event.tags.length; i++) {
-    const tag = event.tags[i]
-    switch (tag[0]) {
-      case 'd':
-        group.id = tag[1] || ''
-        break
-      case 'name':
-        group.name = tag[1] || ''
-        break
-      case 'about':
-        group.about = tag[1] || ''
-        break
-      case 'picture':
-        group.picture = tag[1] || ''
-        break
-      case 'open':
-        group.open = true
-        break
-      case 'public':
-        group.public = true
-        break
-    }
-  }
-  return group as Group
-}
+  const normalizedRelayURL = normalizeURL(relayURL)
 
-export type Member = {
-  pubkey: string
-  label?: string
-  permissions: string[]
-}
+  fetchRelayInformation(normalizedRelayURL)
+    .then(async info => {
+      const abstractedRelay = await pool.ensureRelay(normalizedRelayURL)
 
-export function parseMembers(event: Event): Member[] {
-  const members = []
-  for (let i = 0; i < event.tags.length; i++) {
-    const tag = event.tags[i]
-    if (tag.length < 2) continue
-    if (tag[0] !== 'p') continue
-    if (!tag[1].match(/^[0-9a-f]{64}$/)) continue
-    const member: Member = { pubkey: tag[1], permissions: [] }
-    if (tag.length > 2) member.label = tag[2]
-    if (tag.length > 3) member.permissions = tag.slice(3)
-    members.push(member)
-  }
-  return members
+      onConnect?.()
+
+      sub = abstractedRelay.prepareSubscription(
+        [
+          {
+            kinds: [39000],
+            limit: 50,
+            authors: [info.pubkey],
+          },
+        ],
+        {
+          onevent(event: Event) {
+            onEvent(event)
+          },
+        },
+      )
+    })
+    .catch(err => {
+      sub.close()
+
+      onError(err)
+    })
+
+  return () => sub.close()
 }

nip94.test.ts

@@ -21,6 +21,7 @@ describe('generateEventTemplate', () => {
       image: 'https://example.com/image.jpg',
       summary: 'Lorem ipsum',
       alt: 'Image alt text',
+      fallback: ['https://fallback1.example.com/image.jpg', 'https://fallback2.example.com/image.jpg'],
     }
 
     const expectedEventTemplate: EventTemplate = {
@@ -40,6 +41,8 @@ describe('generateEventTemplate', () => {
         ['image', 'https://example.com/image.jpg'],
         ['summary', 'Lorem ipsum'],
         ['alt', 'Image alt text'],
+        ['fallback', 'https://fallback1.example.com/image.jpg'],
+        ['fallback', 'https://fallback2.example.com/image.jpg'],
       ],
     }
 
@@ -71,6 +74,7 @@ describe('validateEvent', () => {
           ['image', 'https://example.com/image.jpg'],
           ['summary', 'Lorem ipsum'],
           ['alt', 'Image alt text'],
+          ['fallback', 'https://fallback.example.com/image.jpg'],
         ],
       },
       sk,
@@ -100,6 +104,7 @@ describe('validateEvent', () => {
           ['image', 'https://example.com/image.jpg'],
           ['summary', 'Lorem ipsum'],
           ['alt', 'Image alt text'],
+          ['fallback', 'https://fallback.example.com/image.jpg'],
         ],
       },
       sk,
@@ -129,6 +134,7 @@ describe('validateEvent', () => {
           ['image', 'https://example.com/image.jpg'],
           ['summary', 'Lorem ipsum'],
           ['alt', 'Image alt text'],
+          ['fallback', 'https://fallback.example.com/image.jpg'],
         ],
       },
       sk,
@@ -158,6 +164,7 @@ describe('validateEvent', () => {
           ['image', 'https://example.com/image.jpg'],
           ['summary', 'Lorem ipsum'],
           ['alt', 'Image alt text'],
+          ['fallback', 'https://fallback.example.com/image.jpg'],
         ],
       },
       sk,
@@ -181,6 +188,7 @@ describe('validateEvent', () => {
           ['image', 'https://example.com/image.jpg'],
           ['summary', 'Lorem ipsum'],
           ['alt', 'Image alt text'],
+          ['fallback', 'https://fallback.example.com/image.jpg'],
         ],
       },
       sk,
@@ -204,6 +212,7 @@ describe('validateEvent', () => {
           ['image', 'https://example.com/image.jpg'],
           ['summary', 'Lorem ipsum'],
           ['alt', 'Image alt text'],
+          ['fallback', 'https://fallback.example.com/image.jpg'],
         ],
       },
       sk,
@@ -227,6 +236,7 @@ describe('validateEvent', () => {
           ['image', 'https://example.com/image.jpg'],
           ['summary', 'Lorem ipsum'],
           ['alt', 'Image alt text'],
+          ['fallback', 'https://fallback.example.com/image.jpg'],
         ],
       },
       sk,
@@ -259,6 +269,7 @@ describe('validateEvent', () => {
           ['image', 'https://example.com/image.jpg'],
           ['summary', 'Lorem ipsum'],
           ['alt', 'Image alt text'],
+          ['fallback', 'https://fallback.example.com/image.jpg'],
         ],
       },
       sk,
@@ -288,6 +299,7 @@ describe('validateEvent', () => {
           ['image', 'https://example.com/image.jpg'],
           ['summary', 'Lorem ipsum'],
           ['alt', 'Image alt text'],
+          ['fallback', 'https://fallback.example.com/image.jpg'],
         ],
       },
       sk,
@@ -319,6 +331,8 @@ describe('parseEvent', () => {
           ['image', 'https://example.com/image.jpg'],
           ['summary', 'Lorem ipsum'],
           ['alt', 'Image alt text'],
+          ['fallback', 'https://fallback1.example.com/image.jpg'],
+          ['fallback', 'https://fallback2.example.com/image.jpg'],
         ],
       },
       sk,
@@ -340,6 +354,7 @@ describe('parseEvent', () => {
       image: 'https://example.com/image.jpg',
       summary: 'Lorem ipsum',
       alt: 'Image alt text',
+      fallback: ['https://fallback1.example.com/image.jpg', 'https://fallback2.example.com/image.jpg'],
     })
   })
 
@@ -364,6 +379,7 @@ describe('parseEvent', () => {
           ['image', 'https://example.com/image.jpg'],
           ['summary', 'Lorem ipsum'],
           ['alt', 'Image alt text'],
+          ['fallback', 'https://fallback.example.com/image.jpg'],
         ],
       },
       sk,

nip94.ts

@@ -75,6 +75,11 @@ export type FileMetadataObject = {
    * Optional: A description for accessibility, providing context or a brief description of the file.
    */
   alt?: string
+
+  /**
+   * Optional: fallback URLs in case url fails.
+   */
+  fallback?: string[]
 }
 
 /**
@@ -104,6 +109,7 @@ export function generateEventTemplate(fileMetadata: FileMetadataObject): EventTe
   if (fileMetadata.image) eventTemplate.tags.push(['image', fileMetadata.image])
   if (fileMetadata.summary) eventTemplate.tags.push(['summary', fileMetadata.summary])
   if (fileMetadata.alt) eventTemplate.tags.push(['alt', fileMetadata.alt])
+  if (fileMetadata.fallback) fileMetadata.fallback.forEach(url => eventTemplate.tags.push(['fallback', url]))
 
   return eventTemplate
 }
@@ -194,6 +200,10 @@ export function parseEvent(event: Event): FileMetadataObject {
       case 'alt':
         fileMetadata.alt = value
         break
+      case 'fallback':
+        fileMetadata.fallback ??= []
+        fileMetadata.fallback.push(value)
+        break
     }
   }
 

nip96.ts

@@ -340,9 +340,6 @@ export async function uploadFile(
   // Create FormData object
   const formData = new FormData()
 
-  // Append the authorization header to HTML Form Data
-  formData.append('Authorization', nip98AuthorizationHeader)
-
   // Append optional fields to FormData
   optionalFormDataFields &&
     Object.entries(optionalFormDataFields).forEach(([key, value]) => {
@@ -359,7 +356,6 @@ export async function uploadFile(
     method: 'POST',
     headers: {
       Authorization: nip98AuthorizationHeader,
-      'Content-Type': 'multipart/form-data',
     },
     body: formData,
   })

package.json

@@ -1,7 +1,7 @@
 {
   "type": "module",
   "name": "nostr-tools",
-  "version": "2.6.0",
+  "version": "2.7.2",
   "description": "Tools for making a Nostr client.",
   "repository": {
     "type": "git",

pool.test.ts

@@ -1,8 +1,7 @@
 import { afterEach, beforeEach, expect, test } from 'bun:test'
 
-import { SimplePool } from './pool.ts'
+import { SimplePool, useWebSocketImplementation } from './pool.ts'
 import { finalizeEvent, generateSecretKey, getPublicKey, type Event } from './pure.ts'
-import { useWebSocketImplementation } from './relay.ts'
 import { MockRelay, MockWebSocketClient } from './test-helpers.ts'
 import { hexToBytes } from '@noble/hashes/utils'
 

pool.ts

@@ -1,9 +1,21 @@
+/* global WebSocket */
+
 import { verifyEvent } from './pure.ts'
 import { AbstractSimplePool } from './abstract-pool.ts'
 
+var _WebSocket: typeof WebSocket
+
+try {
+  _WebSocket = WebSocket
+} catch {}
+
+export function useWebSocketImplementation(websocketImplementation: any) {
+  _WebSocket = websocketImplementation
+}
+
 export class SimplePool extends AbstractSimplePool {
   constructor() {
-    super({ verifyEvent })
+    super({ verifyEvent, websocketImplementation: _WebSocket })
   }
 }
 

relay.ts

@@ -1,3 +1,5 @@
+/* global WebSocket */
+
 import { verifyEvent } from './pure.ts'
 import { AbstractRelay } from './abstract-relay.ts'
 
@@ -8,9 +10,19 @@ export function relayConnect(url: string): Promise<Relay> {
   return Relay.connect(url)
 }
 
+var _WebSocket: typeof WebSocket
+
+try {
+  _WebSocket = WebSocket
+} catch {}
+
+export function useWebSocketImplementation(websocketImplementation: any) {
+  _WebSocket = websocketImplementation
+}
+
 export class Relay extends AbstractRelay {
   constructor(url: string) {
-    super(url, { verifyEvent })
+    super(url, { verifyEvent, websocketImplementation: _WebSocket })
   }
 
   static async connect(url: string): Promise<Relay> {
@@ -20,6 +32,6 @@ export class Relay extends AbstractRelay {
   }
 }
 
-export type RelayRecord = Record<string, { read: boolean; write: boolean }>;
+export type RelayRecord = Record<string, { read: boolean; write: boolean }>
 
 export * from './abstract-relay.ts'