eventemitter3

packages/portalnetwork/package.json

@@ -49,8 +49,9 @@
     "debug": "^4.3.2",
     "ethereum-cryptography": "^3.0.0",
     "ethers": "^6.8.0",
-    "isomorphic-ws": "^4.0.1",
+    "eventemitter3": "^5.0.1",
     "heap-js": "^2.5.0",
+    "isomorphic-ws": "^4.0.1",
     "level": "^8.0.0",
     "lru-cache": "^10.0.0",
     "memory-level": "^1.0.0",

packages/portalnetwork/src/client/client.ts

@@ -1,6 +1,6 @@
-import { EventEmitter } from 'events'
+import { EventEmitter } from 'eventemitter3'
 import { Discv5 } from '@chainsafe/discv5'
-import { ENR, SignableENR } from '@chainsafe/enr';
+import { ENR, SignableENR } from '@chainsafe/enr'
 import { bytesToHex, hexToBytes } from '@ethereumjs/util'
 import { keys } from '@libp2p/crypto'
 import { fromNodeAddress, multiaddr } from '@multiformats/multiaddr'
@@ -25,10 +25,15 @@ import type { IDiscv5CreateOptions, SignableENRInput } from '@chainsafe/discv5'
 import type { ITalkReqMessage, ITalkRespMessage } from '@chainsafe/discv5/message'
 import type { Debugger } from 'debug'
 import type { BaseNetwork } from '../networks/network.js'
-import type { INodeAddress, PortalNetworkEventEmitter, PortalNetworkMetrics , PortalNetworkOpts } from './types.js'
-import { MessageCodes, PortalWireMessageType } from '../wire/types.js';
+import type {
+  INodeAddress,
+  PortalNetworkEvents,
+  PortalNetworkMetrics,
+  PortalNetworkOpts,
+} from './types.js'
+import { MessageCodes, PortalWireMessageType } from '../wire/types.js'
 
-export class PortalNetwork extends (EventEmitter as { new (): PortalNetworkEventEmitter }) {
+export class PortalNetwork extends EventEmitter<PortalNetworkEvents> {
   eventLog: boolean
   discv5: Discv5
   networks: Map<NetworkId, BaseNetwork>
@@ -297,7 +302,7 @@ export class PortalNetwork extends (EventEmitter as { new (): PortalNetworkEvent
   public stop = async () => {
     await this.discv5.stop()
     this.discv5.removeAllListeners()
-    await this.removeAllListeners()
+    this.removeAllListeners()
     await this.db.close()
     for (const network of this.networks.values()) {
       network.stopRefresh()
@@ -408,7 +413,9 @@ export class PortalNetwork extends (EventEmitter as { new (): PortalNetworkEvent
     try {
       await this.uTP.handleUtpPacket(packetBuffer, src.nodeId)
     } catch (err: any) {
-      this.logger.extend('error')(`handleUTP error: ${err.message}.  SrcId: ${src.nodeId} MultiAddr: ${src.socketAddr.toString()}`)
+      this.logger.extend('error')(
+        `handleUTP error: ${err.message}.  SrcId: ${src.nodeId} MultiAddr: ${src.socketAddr.toString()}`,
+      )
     }
   }
 

packages/portalnetwork/src/client/types.ts

@@ -1,18 +1,17 @@
-import type EventEmitter from 'events'
 import type { IDiscv5CreateOptions } from '@chainsafe/discv5'
 import type { NodeId } from '@chainsafe/enr'
 import type { AbstractLevel } from 'abstract-level'
-import type StrictEventEmitter from 'strict-event-emitter-types/types/src'
+
 import type { NetworkId } from '../index.js'
 import type { PortalNetworkRoutingTable } from './routingTable.js'
 import type { Multiaddr } from '@multiformats/multiaddr'
 
 /** A representation of an unsigned contactable node. */
 export interface INodeAddress {
   /** The destination socket address. */
-  socketAddr: Multiaddr;
+  socketAddr: Multiaddr
   /** The destination Node Id. */
-  nodeId: NodeId;
+  nodeId: NodeId
 }
 
 export interface PortalNetworkEvents {
@@ -58,8 +57,6 @@ export interface PortalNetworkOpts {
   gossipCount?: number
 }
 
-export type PortalNetworkEventEmitter = StrictEventEmitter<EventEmitter, PortalNetworkEvents>
-
 export type RoutingTable = PortalNetworkRoutingTable
 interface Gauge {
   inc(value?: number): void

packages/portalnetwork/src/networks/network.ts

@@ -1,4 +1,4 @@
-import { EventEmitter } from 'events'
+import { EventEmitter } from 'eventemitter3'
 import { digest } from '@chainsafe/as-sha256'
 import { EntryStatus, MAX_NODES_PER_BUCKET, distance } from '@chainsafe/discv5'
 import { ENR } from '@chainsafe/enr'
@@ -49,7 +49,8 @@ import type {
   OfferMessage,
   PingMessage,
   PongMessage,
- PortalNetwork } from '../index.js'
+  PortalNetwork,
+} from '../index.js'
 import { GossipManager } from './gossip.js'
 
 export abstract class BaseNetwork extends EventEmitter {
@@ -640,14 +641,14 @@ export abstract class BaseNetwork extends EventEmitter {
       )
       const _id = randUint16()
       const enr = this.findEnr(src.nodeId) ?? src
-        await this.handleNewRequest({
-          networkId: this.networkId,
-          contentKeys: [decodedContentMessage.contentKey],
-          enr,
-          connectionId: _id,
-          requestCode: RequestCode.FOUNDCONTENT_WRITE,
-          contents: value,
-        })
+      await this.handleNewRequest({
+        networkId: this.networkId,
+        contentKeys: [decodedContentMessage.contentKey],
+        enr,
+        connectionId: _id,
+        requestCode: RequestCode.FOUNDCONTENT_WRITE,
+        contents: value,
+      })
 
       const id = new Uint8Array(2)
       new DataView(id.buffer).setUint16(0, _id, false)
@@ -827,7 +828,7 @@ export abstract class BaseNetwork extends EventEmitter {
     if (pong !== undefined) {
       for (let x = 239; x < 256; x++) {
         // Ask for nodes in all log2distances 239 - 256
-        if (this.routingTable.valuesOfDistance(x).length < 16 ) {
+        if (this.routingTable.valuesOfDistance(x).length < 16) {
           await this.sendFindNodes(enr, [x])
         }
       }

packages/portalnetwork/src/transports/capacitorUdp.ts

@@ -1,4 +1,4 @@
-import { EventEmitter } from 'events'
+import { EventEmitter } from 'eventemitter3'
 import { getSocketAddressOnENR } from '@chainsafe/discv5'
 import { decodePacket, encodePacket } from '@chainsafe/discv5/packet'
 import { UDP } from '@frontall/capacitor-udp'
@@ -9,8 +9,8 @@ import type { IPacket } from '@chainsafe/discv5/packet'
 import type {
   IPMode,
   IRemoteInfo,
+  ITransportEvents,
   ITransportService,
-  TransportEventEmitter,
 } from '@chainsafe/discv5/transport'
 import type { ENR } from '@chainsafe/enr'
 import type { Multiaddr } from '@multiformats/multiaddr'
@@ -19,7 +19,7 @@ import type { Multiaddr } from '@multiformats/multiaddr'
  * This class is responsible for encoding outgoing Packets and decoding incoming Packets over UDP
  */
 export class CapacitorUDPTransportService
-  extends (EventEmitter as { new (): TransportEventEmitter })
+  extends EventEmitter<ITransportEvents>
   implements ITransportService
 {
   private socket!: {

packages/portalnetwork/src/transports/websockets.ts

@@ -1,4 +1,4 @@
-import { EventEmitter } from 'events'
+import { EventEmitter } from 'eventemitter3'
 import { getSocketAddressOnENR } from '@chainsafe/discv5'
 import { decodePacket, encodePacket } from '@chainsafe/discv5/packet'
 import { multiaddr as ma } from '@multiformats/multiaddr'
@@ -17,23 +17,18 @@ import type { IPacket } from '@chainsafe/discv5/packet'
 import type { ENR } from '@chainsafe/enr'
 import type { Multiaddr } from '@multiformats/multiaddr'
 import type { Debugger } from 'debug'
-import type StrictEventEmitter from 'strict-event-emitter-types/types/src'
 
 const log = debug('discv5:transport')
 
 interface WebSocketTransportEvents extends ITransportEvents {
   multiAddr: (src: Multiaddr) => void
 }
 
-export declare type WSTransportEventEmitter = StrictEventEmitter<
-  EventEmitter,
-  WebSocketTransportEvents
->
 /**
  * This class is responsible for encoding outgoing Packets and decoding incoming Packets over Websockets
  */
 export class WebSocketTransportService
-  extends (EventEmitter as { new (): WSTransportEventEmitter })
+  extends EventEmitter<WebSocketTransportEvents>
   implements ITransportService
 {
   public multiaddr: Multiaddr

packages/portalnetwork/src/wire/utp/Socket/congestionControl.ts

@@ -1,4 +1,4 @@
-import { EventEmitter } from 'events'
+import { EventEmitter } from 'eventemitter3'
 import debug from 'debug'
 
 import { DEFAULT_PACKET_SIZE, MAX_CWND_INCREASE_PACKETS_PER_RTT } from '../index.js'