chore: use new libp2p interface

.travis.yml

@@ -24,6 +24,7 @@ jobs:
         # Remove pull libs once ping is async
         - npx aegir dep-check -- -i pull-handshake -i pull-stream
         - npm run lint
+        - npm run test:types
 
     - stage: test
       name: chrome

package.json

@@ -63,7 +63,7 @@
     "events": "^3.1.0",
     "hashlru": "^2.3.0",
     "interface-datastore": "^2.0.0",
-    "ipfs-utils": "^2.2.0",
+    "ipfs-utils": "^5.0.1",
     "it-all": "^1.0.1",
     "it-buffer": "^0.1.2",
     "it-handshake": "^1.0.1",
@@ -71,7 +71,7 @@
     "it-pipe": "^1.1.0",
     "it-protocol-buffers": "^0.2.0",
     "libp2p-crypto": "^0.18.0",
-    "libp2p-interfaces": "libp2p/js-libp2p-interfaces#chore/add-duplex-iterable-type-to-connection",
+    "libp2p-interfaces": "libp2p/js-libp2p-interfaces#feat/add-types",
     "libp2p-utils": "^0.2.2",
     "mafmt": "^8.0.0",
     "merge-options": "^2.0.0",

src/circuit/auto-relay.js

@@ -90,6 +90,9 @@ class AutoRelay {
     // If protocol, check if can hop, store info in the metadataBook and listen on it
     try {
       const connection = this._connectionManager.get(peerId)
+      if (!connection) {
+        return
+      }
 
       // Do not hop on a relayed connection
       if (connection.remoteAddr.protoCodes().includes(CIRCUIT_PROTO_CODE)) {

src/circuit/circuit/hop.js

@@ -21,7 +21,19 @@ const multicodec = require('./../multicodec')
  * @typedef {import('libp2p-interfaces/src/connection').Connection} Connection
  */
 
-module.exports.handleHop = async function handleHop ({
+/**
+ * @typedef {Object} HopRequest
+ * @property {Connection} connection
+ * @property {any} request
+ * @property {any} streamHandler
+ * @property {import('../transport')} circuit
+ */
+
+/**
+ * @param {HopRequest} options
+ * @returns {Promise<void>}
+ */
+async function handleHop ({
   connection,
   request,
   streamHandler,
@@ -56,6 +68,9 @@ module.exports.handleHop = async function handleHop ({
   }
 
   // TODO: Handle being an active relay
+  if (!destinationConnection) {
+    return
+  }
 
   // Handle the incoming HOP request by performing a STOP request
   const stopRequest = {
@@ -68,8 +83,7 @@ module.exports.handleHop = async function handleHop ({
   try {
     destinationStream = await stop({
       connection: destinationConnection,
-      request: stopRequest,
-      circuit
+      request: stopRequest
     })
   } catch (err) {
     return log.error(err)
@@ -96,10 +110,10 @@ module.exports.handleHop = async function handleHop ({
  *
  * @param {object} options
  * @param {Connection} options.connection - Connection to the relay
- * @param {*} options.request
+ * @param {CircuitPB} options.request
  * @returns {Promise<Connection>}
  */
-module.exports.hop = async function hop ({
+async function hop ({
   connection,
   request
 }) {
@@ -128,7 +142,7 @@ module.exports.hop = async function hop ({
  * @param {Connection} options.connection - Connection to the relay
  * @returns {Promise<boolean>}
  */
-module.exports.canHop = async function canHop ({
+async function canHop ({
   connection
 }) {
   // Create a new stream to the relay
@@ -155,10 +169,10 @@ module.exports.canHop = async function canHop ({
  * @param {Object} options
  * @param {Connection} options.connection
  * @param {StreamHandler} options.streamHandler
- * @param {Circuit} options.circuit
+ * @param {import('../transport')} options.circuit
  * @private
  */
-module.exports.handleCanHop = function handleCanHop ({
+function handleCanHop ({
   connection,
   streamHandler,
   circuit
@@ -170,3 +184,10 @@ module.exports.handleCanHop = function handleCanHop ({
     code: canHop ? CircuitPB.Status.SUCCESS : CircuitPB.Status.HOP_CANT_SPEAK_RELAY
   })
 }
+
+module.exports = {
+  handleHop,
+  hop,
+  canHop,
+  handleCanHop
+}

src/circuit/circuit/stop.js

@@ -51,7 +51,7 @@ module.exports.handleStop = function handleStop ({
  * @private
  * @param {object} options
  * @param {Connection} options.connection
- * @param {*} options.request - The CircuitRelay protobuf request (unencoded)
+ * @param {CircuitPB} options.request - The CircuitRelay protobuf request (unencoded)
  * @returns {Promise<*>} Resolves a duplex iterable
  */
 module.exports.stop = async function stop ({

src/circuit/circuit/stream-handler.js

@@ -13,9 +13,10 @@ class StreamHandler {
   /**
    * Create a stream handler for connection
    *
+   * @class
    * @param {object} options
-   * @param {*} options.stream - A duplex iterable
-   * @param {number} options.maxLength - max bytes length of message
+   * @param {import('libp2p-interfaces/src/stream-muxer/types').MuxedStream} options.stream - A duplex iterable
+   * @param {number} [options.maxLength = 4096] - max bytes length of message
    */
   constructor ({ stream, maxLength = 4096 }) {
     this.stream = stream
@@ -28,7 +29,7 @@ class StreamHandler {
    * Read and decode message
    *
    * @async
-   * @returns {Promise<void>}
+   * @returns {Promise<CircuitPB>}
    */
   async read () {
     const msg = await this.decoder.next()
@@ -50,6 +51,7 @@ class StreamHandler {
    */
   write (msg) {
     log('write message type %s', msg.type)
+    // @ts-ignore
     this.shake.write(lp.encode.single(CircuitPB.encode(msg)))
   }
 

src/circuit/circuit/utils.js

@@ -5,13 +5,14 @@ const { CircuitRelay } = require('../protocol')
 
 /**
  * @typedef {import('./stream-handler')} StreamHandler
+ * @typedef {import('../../types').CircuitStatus} CircuitStatus
  */
 
 /**
  * Write a response
  *
  * @param {StreamHandler} streamHandler
- * @param {CircuitRelay.Status} status
+ * @param {CircuitStatus} status
  */
 function writeResponse (streamHandler, status) {
   streamHandler.write({

src/circuit/listener.js

@@ -5,6 +5,7 @@ const multiaddr = require('multiaddr')
 
 /**
  * @typedef {import('multiaddr')} Multiaddr
+ * @typedef {import('libp2p-interfaces/src/transport/types').Listener} Listener
  */
 
 /**
@@ -12,26 +13,15 @@ const multiaddr = require('multiaddr')
  * @returns {Listener} a transport listener
  */
 module.exports = (libp2p) => {
-  const listener = new EventEmitter()
   const listeningAddrs = new Map()
 
-  // Remove listeningAddrs when a peer disconnects
-  libp2p.connectionManager.on('peer:disconnect', (connection) => {
-    const deleted = listeningAddrs.delete(connection.remotePeer.toB58String())
-
-    if (deleted) {
-      // Announce listen addresses change
-      listener.emit('close')
-    }
-  })
-
   /**
    * Add swarm handler and listen for incoming connections
    *
    * @param {Multiaddr} addr
-   * @returns {void}
+   * @returns {Promise<void>}
    */
-  listener.listen = async (addr) => {
+  async function listen (addr) {
     const addrString = String(addr).split('/p2p-circuit').find(a => a !== '')
 
     const relayConn = await libp2p.dial(multiaddr(addrString))
@@ -41,13 +31,6 @@ module.exports = (libp2p) => {
     listener.emit('listening')
   }
 
-  /**
-   * TODO: Remove the peers from our topology
-   *
-   * @returns {void}
-   */
-  listener.close = () => {}
-
   /**
    * Get fixed up multiaddrs
    *
@@ -64,7 +47,7 @@ module.exports = (libp2p) => {
    *
    * @returns {Multiaddr[]}
    */
-  listener.getAddrs = () => {
+  function getAddrs () {
     const addrs = []
     for (const addr of listeningAddrs.values()) {
       addrs.push(addr)
@@ -72,5 +55,22 @@ module.exports = (libp2p) => {
     return addrs
   }
 
+  /** @type Listener */
+  const listener = Object.assign(new EventEmitter(), {
+    close: () => Promise.resolve(),
+    listen,
+    getAddrs
+  })
+
+  // Remove listeningAddrs when a peer disconnects
+  libp2p.connectionManager.on('peer:disconnect', (connection) => {
+    const deleted = listeningAddrs.delete(connection.remotePeer.toB58String())
+
+    if (deleted) {
+      // Announce listen addresses change
+      listener.emit('close')
+    }
+  })
+
   return listener
 }

src/circuit/protocol/index.js

@@ -1,5 +1,7 @@
 'use strict'
 const protobuf = require('protons')
+
+/** @type {{CircuitRelay: import('../../types').CircuitMessageProto}} */
 module.exports = protobuf(`
 message CircuitRelay {
 

src/circuit/transport.js

@@ -1,8 +1,9 @@
 'use strict'
 
 const debug = require('debug')
-const log = debug('libp2p:circuit')
-log.error = debug('libp2p:circuit:error')
+const log = Object.assign(debug('libp2p:circuit'), {
+  error: debug('libp2p:circuit:err')
+})
 
 const mafmt = require('mafmt')
 const multiaddr = require('multiaddr')
@@ -76,8 +77,7 @@ class Circuit {
         virtualConnection = await handleStop({
           connection,
           request,
-          streamHandler,
-          circuit
+          streamHandler
         })
         break
       }
@@ -94,7 +94,7 @@ class Circuit {
         remoteAddr,
         localAddr
       })
-      const type = CircuitPB.Type === CircuitPB.Type.HOP ? 'relay' : 'inbound'
+      const type = request.Type === CircuitPB.Type.HOP ? 'relay' : 'inbound'
       log('new %s connection %s', type, maConn.remoteAddr)
 
       const conn = await this._upgrader.upgradeInbound(maConn)
@@ -109,7 +109,7 @@ class Circuit {
    * @param {Multiaddr} ma - the multiaddr of the peer to dial
    * @param {Object} options - dial options
    * @param {AbortSignal} [options.signal] - An optional abort signal
-   * @returns {Connection} - the connection
+   * @returns {Promise<Connection>} - the connection
    */
   async dial (ma, options) {
     // Check the multiaddr to see if it contains a relay and a destination peer
@@ -129,6 +129,7 @@ class Circuit {
     try {
       const virtualConnection = await hop({
         connection: relayConnection,
+        // @ts-ignore
         circuit: this,
         request: {
           type: CircuitPB.Type.HOP,
@@ -164,7 +165,7 @@ class Circuit {
    *
    * @param {any} options
    * @param {Function} handler
-   * @returns {listener}
+   * @returns {import('libp2p-interfaces/src/transport/types').Listener}
    */
   createListener (options, handler) {
     if (typeof options === 'function') {
@@ -175,7 +176,7 @@ class Circuit {
     // Called on successful HOP and STOP requests
     this.handler = handler
 
-    return createListener(this._libp2p, options)
+    return createListener(this._libp2p)
   }
 
   /**

src/circuit/utils.js

@@ -3,6 +3,8 @@
 const CID = require('cids')
 const multihashing = require('multihashing-async')
 
+const TextEncoder = require('ipfs-utils/src/text-encoder')
+
 /**
  * Convert a namespace string into a cid.
  *

src/connection-manager/index.js

@@ -175,10 +175,7 @@ class ConnectionManager extends EventEmitter {
     if (value < 0 || value > 1) {
       throw new Error('value should be a number between 0 and 1')
     }
-    if (peerId.toB58String) {
-      peerId = peerId.toB58String()
-    }
-    this._peerValues.set(peerId, value)
+    this._peerValues.set(peerId.toB58String(), value)
   }
 
   /**

src/connection-manager/latency-monitor.js

@@ -1,3 +1,4 @@
+// @ts-nocheck
 'use strict'
 
 /**

src/connection-manager/visibility-change-emitter.js

@@ -1,3 +1,4 @@
+// @ts-nocheck
 /* global document */
 
 /**

src/dialer/dial-request.js

@@ -18,6 +18,7 @@ const pAny = require('p-any')
  * @property {function(Multiaddr):Promise<Connection>} dialAction
  * @property {Dialer} dialer
  */
+
 class DialRequest {
   /**
    * Manages running the `dialAction` on multiple provided `addrs` in parallel
@@ -54,6 +55,7 @@ class DialRequest {
 
     const tokenHolder = new FIFO()
     tokens.forEach(token => tokenHolder.push(token))
+    // @ts-ignore
     const dialAbortControllers = this.addrs.map(() => new AbortController())
     let completedDials = 0
 
@@ -63,6 +65,7 @@ class DialRequest {
         let conn
         try {
           const signal = dialAbortControllers[i].signal
+          // @ts-ignore
           conn = await this.dialAction(addr, { ...options, signal: anySignal([signal, options.signal]) })
           // Remove the successful AbortController so it is not aborted
           dialAbortControllers.splice(i, 1)
@@ -85,4 +88,4 @@ class DialRequest {
   }
 }
 
-module.exports.DialRequest = DialRequest
+module.exports = DialRequest

src/dialer/index.js

@@ -9,7 +9,7 @@ const multiaddr = require('multiaddr')
 const TimeoutController = require('timeout-abort-controller')
 const anySignal = require('any-signal')
 
-const { DialRequest } = require('./dial-request')
+const DialRequest = require('./dial-request')
 const { publicAddressesFirst } = require('libp2p-utils/src/address-sort')
 const getPeer = require('../get-peer')
 
@@ -27,7 +27,6 @@ const {
  * @typedef {import('../peer-store')} PeerStore
  * @typedef {import('../peer-store/address-book').Address} Address
  * @typedef {import('../transport-manager')} TransportManager
- * @typedef {import('./dial-request')} DialRequest
  */
 
 /**
@@ -241,12 +240,13 @@ class Dialer {
       return this._resolve(nm)
     }))
 
-    return recursiveMultiaddrs.flat().reduce((array, newM) => {
-      if (!array.find(m => m.equals(newM))) {
-        array.push(newM)
-      }
-      return array
-    }, []) // Unique addresses
+    return recursiveMultiaddrs.flat()
+      .reduce((/** @type {Multiaddr[]} */ array, /** @type {Multiaddr} */ newM) => {
+        if (!array.find(m => m.equals(newM))) {
+          array.push(newM)
+        }
+        return array
+      }, []) // Unique addresses
   }
 
   /**

src/identify/consts.js

@@ -1,5 +1,6 @@
 'use strict'
 
+// @ts-ignore
 const libp2pVersion = require('../../package.json').version
 
 module.exports.PROTOCOL_VERSION = 'ipfs/0.1.0'

src/identify/index.js

@@ -31,7 +31,7 @@ const { codes } = require('../errors')
 
 /**
  * @typedef {import('libp2p-interfaces/src/connection').Connection} Connection
- * @typedef {import('libp2p-interfaces/src/connection/connection').DuplexIterableStream} DuplexIterableStream
+ * @typedef {import('libp2p-interfaces/src/stream-muxer/types').MuxedStream} MuxedStream
  */
 
 class IdentifyService {
@@ -200,9 +200,9 @@ class IdentifyService {
    * A handler to register with Libp2p to process identify messages.
    *
    * @param {Object} options
-   * @param {string} options.protocol
-   * @param {DuplexIterableStream} options.stream
    * @param {Connection} options.connection
+   * @param {MuxedStream} options.stream
+   * @param {string} options.protocol
    * @returns {Promise<void>|undefined}
    */
   handleMessage ({ connection, stream, protocol }) {
@@ -222,7 +222,7 @@ class IdentifyService {
    *
    * @private
    * @param {Object} options
-   * @param {DuplexIterableStream} options.stream
+   * @param {MuxedStream} options.stream
    * @param {Connection} options.connection
    * @returns {Promise<void>}
    */
@@ -262,7 +262,7 @@ class IdentifyService {
    *
    * @private
    * @param {object} options
-   * @param {DuplexIterableStream} options.stream
+   * @param {MuxedStream} options.stream
    * @param {Connection} options.connection
    * @returns {Promise<void>}
    */
@@ -323,14 +323,17 @@ class IdentifyService {
   }
 }
 
-module.exports.IdentifyService = IdentifyService
 /**
  * The protocols the IdentifyService supports
  *
  * @property multicodecs
  */
-module.exports.multicodecs = {
+const multicodecs = {
   IDENTIFY: MULTICODEC_IDENTIFY,
   IDENTIFY_PUSH: MULTICODEC_IDENTIFY_PUSH
 }
-module.exports.Message = Message
+
+IdentifyService.multicodecs = multicodecs
+IdentifyService.Messsage = Message
+
+module.exports = IdentifyService

src/index.js

@@ -30,10 +30,8 @@ const PubsubAdapter = require('./pubsub-adapter')
 const PersistentPeerStore = require('./peer-store/persistent')
 const Registrar = require('./registrar')
 const ping = require('./ping')
-const {
-  IdentifyService,
-  multicodecs: IDENTIFY_PROTOCOLS
-} = require('./identify')
+const IdentifyService = require('./identify')
+const IDENTIFY_PROTOCOLS = IdentifyService.multicodecs
 
 /**
  * @typedef {import('multiaddr')} Multiaddr
@@ -193,6 +191,7 @@ class Libp2p extends EventEmitter {
     })
 
     if (this._config.relay.enabled) {
+      // @ts-ignore
       this.transportManager.add(Circuit.prototype[Symbol.toStringTag], Circuit)
       this.relay = new Relay(this)
     }
@@ -206,6 +205,7 @@ class Libp2p extends EventEmitter {
 
       // Add the identify service since we can multiplex
       this.identifyService = new IdentifyService({ libp2p: this })
+      // @ts-ignore
       this.handle(Object.values(IDENTIFY_PROTOCOLS), this.identifyService.handleMessage)
     }
 
@@ -254,13 +254,16 @@ class Libp2p extends EventEmitter {
    *
    * @param {string} eventName
    * @param  {...any} args
-   * @returns {void}
+   * @returns {boolean}
    */
   emit (eventName, ...args) {
+    // TODO: do we still need this?
+    // @ts-ignore
     if (eventName === 'error' && !this._events.error) {
-      log.error(...args)
+      log.error(args)
+      return false
     } else {
-      super.emit(eventName, ...args)
+      return super.emit(eventName, ...args)
     }
   }
 
@@ -463,7 +466,7 @@ class Libp2p extends EventEmitter {
    * Registers the `handler` for each protocol
    *
    * @param {string[]|string} protocols
-   * @param {function({ connection:*, stream:*, protocol:string })} handler
+   * @param {({ connection: Connection, stream: any, protocol: string }) => void} handler
    */
   handle (protocols, handler) {
     protocols = Array.isArray(protocols) ? protocols : [protocols]
@@ -629,7 +632,9 @@ class Libp2p extends EventEmitter {
 
     // Transport modules with discovery
     for (const Transport of this.transportManager.getTransports()) {
+      // @ts-ignore
       if (Transport.discovery) {
+        // @ts-ignore
         setupService(Transport.discovery)
       }
     }

src/keychain/cms.js

@@ -1,3 +1,4 @@
+// @ts-nocheck
 'use strict'
 
 require('node-forge/lib/pkcs7')

src/keychain/index.js

@@ -1,3 +1,4 @@
+// @ts-nocheck
 /* eslint max-nested-callbacks: ["error", 5] */
 'use strict'
 

src/keychain/util.js

@@ -1,3 +1,4 @@
+// @ts-nocheck
 'use strict'
 
 require('node-forge/lib/x509')

src/metrics/index.js

@@ -1,7 +1,8 @@
+// @ts-nocheck
 'use strict'
 
 const mergeOptions = require('merge-options')
-const pipe = require('it-pipe')
+const { pipe } = require('it-pipe')
 const { tap } = require('streaming-iterables')
 const oldPeerLRU = require('./old-peers')
 const { METRICS: defaultOptions } = require('../constants')
@@ -19,11 +20,12 @@ const directionToEvent = {
 
 /**
  * @typedef {import('peer-id')} PeerId
+ * @typedef {import('libp2p-interfaces/src/transport/types').MultiaddrConnection} MultiaddrConnection
  */
 
 /**
  * @typedef MetricsProperties
- * @property {ConnectionManager} connectionManager
+ * @property {import('../connection-manager')} connectionManager
  *
  * @typedef MetricsOptions
  * @property {number} [computeThrottleMaxQueueSize = defaultOptions.computeThrottleMaxQueueSize]
@@ -216,10 +218,10 @@ class Metrics {
    * with the placeholder string returned from here, and the known `PeerId`.
    *
    * @param {Object} options
-   * @param {{ sink: function(*), source: function() }} options.stream - A duplex iterable stream
+   * @param {MultiaddrConnection} options.stream - A duplex iterable stream
    * @param {PeerId} [options.remotePeer] - The id of the remote peer that's connected
    * @param {string} [options.protocol] - The protocol the stream is running
-   * @returns {string} The peerId string or placeholder string
+   * @returns {MultiaddrConnection} The peerId string or placeholder string
    */
   trackStream ({ stream, remotePeer, protocol }) {
     const metrics = this

src/metrics/old-peers.js

@@ -6,9 +6,10 @@ const LRU = require('hashlru')
  * Creates and returns a Least Recently Used Cache
  *
  * @param {number} maxSize
- * @returns {LRUCache}
+ * @returns {any}
  */
 module.exports = (maxSize) => {
+  // @ts-ignore
   const patched = LRU(maxSize)
   patched.delete = patched.remove
   return patched

src/metrics/stats.js

@@ -1,17 +1,19 @@
+// @ts-nocheck
 'use strict'
 
-const EventEmitter = require('events')
+const { EventEmitter } = require('events')
 const Big = require('bignumber.js')
 const MovingAverage = require('moving-average')
 const retimer = require('retimer')
 
-/**
- * A queue based manager for stat processing
- *
- * @param {string[]} initialCounters
- * @param {any} options
- */
 class Stats extends EventEmitter {
+  /**
+   * A queue based manager for stat processing
+   *
+   * @class
+   * @param {string[]} initialCounters
+   * @param {any} options
+   */
   constructor (initialCounters, options) {
     super()
 
@@ -21,6 +23,8 @@ class Stats extends EventEmitter {
 
     this._frequencyLastTime = Date.now()
     this._frequencyAccumulators = {}
+
+    /** @type {{}} */
     this._movingAverages = {}
 
     this._update = this._update.bind(this)
@@ -68,7 +72,7 @@ class Stats extends EventEmitter {
   /**
    * Returns a clone of the current stats.
    *
-   * @returns {Map<string, Stat>}
+   * @returns {Object}
    */
   get snapshot () {
     return Object.assign({}, this._stats)
@@ -77,7 +81,7 @@ class Stats extends EventEmitter {
   /**
    * Returns a clone of the internal movingAverages
    *
-   * @returns {MovingAverage[]}
+   * @returns {MovingAverage}
    */
   get movingAverages () {
     return Object.assign({}, this._movingAverages)
@@ -238,7 +242,7 @@ class Stats extends EventEmitter {
     const inc = op[1]
 
     if (typeof inc !== 'number') {
-      throw new Error('invalid increment number:', inc)
+      throw new Error(`invalid increment number: ${inc}`)
     }
 
     let n

src/peer-routing.js

@@ -20,7 +20,7 @@ const {
 class PeerRouting {
   /**
    * @class
-   * @param {Libp2p} libp2p
+   * @param {import('./')} libp2p
    */
   constructor (libp2p) {
     this._peerId = libp2p.peerId

src/peer-store/address-book.js

@@ -124,6 +124,7 @@ class AddressBook extends Book {
 
     // Replace unsigned addresses by the new ones from the record
     // TODO: Once we have ttls for the addresses, we should merge these in.
+    // @ts-ignore
     this._setData(peerId, {
       addresses,
       record: {
@@ -188,22 +189,22 @@ class AddressBook extends Book {
     }
 
     const addresses = this._toAddresses(multiaddrs)
-    const id = peerId.toB58String()
-    const entry = this.data.get(id) || {}
-    const rec = entry.addresses
 
     // Not replace multiaddrs
     if (!addresses.length) {
       return this
     }
 
+    const id = peerId.toB58String()
+    const entry = this.data.get(id)
+
     // Already knows the peer
-    if (rec && rec.length === addresses.length) {
-      const intersection = rec.filter((addr) => addresses.some((newAddr) => addr.multiaddr.equals(newAddr.multiaddr)))
+    if (entry && entry.addresses && entry.addresses.length === addresses.length) {
+      const intersection = entry.addresses.filter((addr) => addresses.some((newAddr) => addr.multiaddr.equals(newAddr.multiaddr)))
 
       // Are new addresses equal to the old ones?
       // If yes, no changes needed!
-      if (intersection.length === rec.length) {
+      if (intersection.length === entry.addresses.length) {
         log(`the addresses provided to store are equal to the already stored for ${id}`)
         return this
       }
@@ -211,12 +212,12 @@ class AddressBook extends Book {
 
     this._setData(peerId, {
       addresses,
-      record: entry.record
+      record: entry && entry.record
     })
     log(`stored provided multiaddrs for ${id}`)
 
     // Notify the existance of a new peer
-    if (!rec) {
+    if (!(entry && entry.addresses)) {
       this._ps.emit('peer', peerId)
     }
 
@@ -240,32 +241,33 @@ class AddressBook extends Book {
     const addresses = this._toAddresses(multiaddrs)
     const id = peerId.toB58String()
 
-    const entry = this.data.get(id) || {}
-    const rec = entry.addresses || []
+    const entry = this.data.get(id)
 
-    // Add recorded uniquely to the new array (Union)
-    rec.forEach((addr) => {
-      if (!addresses.find(r => r.multiaddr.equals(addr.multiaddr))) {
-        addresses.push(addr)
+    if (entry && entry.addresses) {
+      // Add recorded uniquely to the new array (Union)
+      entry.addresses.forEach((addr) => {
+        if (!addresses.find(r => r.multiaddr.equals(addr.multiaddr))) {
+          addresses.push(addr)
+        }
+      })
+
+      // If the recorded length is equal to the new after the unique union
+      // The content is the same, no need to update.
+      if (entry.addresses.length === addresses.length) {
+        log(`the addresses provided to store are already stored for ${id}`)
+        return this
       }
-    })
-
-    // If the recorded length is equal to the new after the unique union
-    // The content is the same, no need to update.
-    if (rec && rec.length === addresses.length) {
-      log(`the addresses provided to store are already stored for ${id}`)
-      return this
     }
 
     this._setData(peerId, {
       addresses,
-      record: entry.record
+      record: entry && entry.record
     })
 
     log(`added provided multiaddrs for ${id}`)
 
     // Notify the existance of a new peer
-    if (!entry.addresses) {
+    if (!(entry && entry.addresses)) {
       this._ps.emit('peer', peerId)
     }
 

src/peer-store/book.js

@@ -54,7 +54,7 @@ class Book {
   /**
    * Set data into the datastructure, persistence and emit it using the provided transformers.
    *
-   * @private
+   * @protected
    * @param {PeerId} peerId - peerId of the data to store
    * @param {T} data - data to store.
    * @param {Object} [options] - storing options.
@@ -74,9 +74,9 @@ class Book {
   /**
    * Emit data.
    *
-   * @private
+   * @protected
    * @param {PeerId} peerId
-   * @param {T} data
+   * @param {any} [data]
    */
   _emit (peerId, data) {
     this._ps.emit(this.eventName, {

src/peer-store/index.js

@@ -35,7 +35,7 @@ class PeerStore extends EventEmitter {
    * @property {PeerId} id peer's peer-id instance.
    * @property {Address[]} addresses peer's addresses containing its multiaddrs and metadata.
    * @property {string[]} protocols peer's supported protocols.
-   * @property {Map<string, Uint8Array>} metadata peer's metadata map.
+   * @property {Map<string, Uint8Array>|undefined} metadata peer's metadata map.
    */
 
   /**

src/peer-store/key-book.js

@@ -49,7 +49,7 @@ class KeyBook extends Book {
    *
    * @override
    * @param {PeerId} peerId
-   * @param {RsaPublicKey|Ed25519PublicKey|Secp256k1PublicKey} publicKey
+   * @param {any} publicKey
    * @returns {KeyBook}
    */
   set (peerId, publicKey) {
@@ -79,7 +79,7 @@ class KeyBook extends Book {
    *
    * @override
    * @param {PeerId} peerId
-   * @returns {RsaPublicKey|Ed25519PublicKey|Secp256k1PublicKey}
+   * @returns {any}
    */
   get (peerId) {
     if (!PeerId.isPeerId(peerId)) {

src/peer-store/metadata-book.js

@@ -60,6 +60,7 @@ class MetadataBook extends Book {
    * @param {Uint8Array} value - metadata value
    * @returns {MetadataBook}
    */
+  // @ts-ignore
   set (peerId, key, value) {
     if (!PeerId.isPeerId(peerId)) {
       log.error('peerId must be an instance of peer-id to store data')
@@ -102,8 +103,9 @@ class MetadataBook extends Book {
    * Get the known data of a provided peer.
    *
    * @param {PeerId} peerId
-   * @returns {Map<string, Uint8Array>}
+   * @returns {Map<string, Uint8Array>|undefined}
    */
+  // @ts-ignore
   get (peerId) {
     if (!PeerId.isPeerId(peerId)) {
       throw errcode(new Error('peerId must be an instance of peer-id'), ERR_INVALID_PARAMETERS)
@@ -117,7 +119,7 @@ class MetadataBook extends Book {
    *
    * @param {PeerId} peerId
    * @param {string} key
-   * @returns {Uint8Array}
+   * @returns {Uint8Array | undefined}
    */
   getValue (peerId, key) {
     if (!PeerId.isPeerId(peerId)) {

src/peer-store/persistent/index.js

@@ -24,7 +24,7 @@ const Protocols = require('./pb/proto-book.proto')
 /**
  * @typedef {Object} PersistentPeerStoreProperties
  * @property {PeerId} peerId
- * @property {Datastore} datastore
+ * @property {any} datastore
  *
  * @typedef {Object} PersistentPeerStoreOptions
  * @property {number} [threshold = 5] - Number of dirty peers allowed before commit data.

src/pnet/index.js

@@ -21,8 +21,7 @@ const handshake = require('it-handshake')
 const { NONCE_LENGTH } = require('./key-generator')
 
 /**
- * @typedef {import('libp2p-interfaces/src/connection').Connection} Connection
- * @typedef {import('libp2p-interfaces/src/connection/connection').DuplexIterableStream} DuplexIterableStream
+ * @typedef {import('libp2p-interfaces/src/transport/types').MultiaddrConnection} MultiaddrConnection
  */
 
 class Protector {
@@ -44,8 +43,8 @@ class Protector {
    * between its two peers from the PSK the Protector instance was
    * created with.
    *
-   * @param {Connection} connection - The connection to protect
-   * @returns {Promise<DuplexIterableStream>} A protected duplex iterable
+   * @param {MultiaddrConnection} connection - The connection to protect
+   * @returns {Promise<MultiaddrConnection>} A protected duplex iterable
    */
   async protect (connection) {
     if (!connection) {

src/pubsub-adapter.js

@@ -6,42 +6,49 @@
  */
 
 // Pubsub adapter to keep API with handlers while not removed.
-module.exports = (PubsubRouter, libp2p, options) => {
-  class Pubsub extends PubsubRouter {
-    /**
-     * Subscribes to a given topic.
-     *
-     * @override
-     * @param {string} topic
-     * @param {(msg: InMessage) => void} [handler]
-     * @returns {void}
-     */
-    subscribe (topic, handler) {
-      // Bind provided handler
-      handler && this.on(topic, handler)
-      super.subscribe(topic)
+function pubsubAdapter (PubsubRouter, libp2p, options) {
+  const pubsub = new PubsubRouter(libp2p, options)
+  pubsub._subscribeAdapter = pubsub.subscribe
+  pubsub._unsubscribeAdapter = pubsub.unsubscribe
+
+  /**
+   * Subscribes to a given topic.
+   *
+   * @override
+   * @param {string} topic
+   * @param {(msg: InMessage) => void} [handler]
+   * @returns {void}
+   */
+  function subscribe (topic, handler) {
+    // Bind provided handler
+    handler && pubsub.on(topic, handler)
+    pubsub._subscribeAdapter(topic)
+  }
+
+  /**
+   * Unsubscribe from the given topic.
+   *
+   * @override
+   * @param {string} topic
+   * @param {(msg: InMessage) => void} [handler]
+   * @returns {void}
+   */
+  function unsubscribe (topic, handler) {
+    if (!handler) {
+      pubsub.removeAllListeners(topic)
+    } else {
+      pubsub.removeListener(topic, handler)
     }
 
-    /**
-     * Unsubscribe from the given topic.
-     *
-     * @override
-     * @param {string} topic
-     * @param {(msg: InMessage) => void} [handler]
-     * @returns {void}
-     */
-    unsubscribe (topic, handler) {
-      if (!handler) {
-        this.removeAllListeners(topic)
-      } else {
-        this.removeListener(topic, handler)
-      }
-
-      if (this.listenerCount(topic) === 0) {
-        super.unsubscribe(topic)
-      }
+    if (pubsub.listenerCount(topic) === 0) {
+      pubsub._unsubscribeAdapter(topic)
     }
   }
 
-  return new Pubsub(libp2p, options)
+  pubsub.subscribe = subscribe
+  pubsub.unsubscribe = unsubscribe
+
+  return pubsub
 }
+
+module.exports = pubsubAdapter

src/record/envelope/envelope.proto.js

@@ -2,7 +2,8 @@
 
 const protons = require('protons')
 
-const message = `
+/** @type {{Envelope: import('../../types').MessageProto}} */
+module.exports = protons(`
 message Envelope {
   // public_key is the public key of the keypair the enclosed payload was
   // signed with.
@@ -20,6 +21,4 @@ message Envelope {
   // additional security.
   bytes signature = 5;
 }
-`
-
-module.exports = protons(message).Envelope
+`)

src/record/envelope/index.js

@@ -49,7 +49,7 @@ class Envelope {
 
     const publicKey = cryptoKeys.marshalPublicKey(this.peerId.pubKey)
 
-    this._marshal = Protobuf.encode({
+    this._marshal = Protobuf.Envelope.encode({
       public_key: publicKey,
       payload_type: this.payloadType,
       payload: this.payload,
@@ -102,14 +102,14 @@ const formatSignaturePayload = (domain, payloadType, payload) => {
   // - The length of the payload field in bytes
   // - The value of the payload field
 
-  domain = uint8arraysFromString(domain)
-  const domainLength = varint.encode(domain.byteLength)
+  const domainUint8Array = uint8arraysFromString(domain)
+  const domainLength = varint.encode(domainUint8Array.byteLength)
   const payloadTypeLength = varint.encode(payloadType.length)
   const payloadLength = varint.encode(payload.length)
 
   return uint8arraysConcat([
     new Uint8Array(domainLength),
-    domain,
+    domainUint8Array,
     new Uint8Array(payloadTypeLength),
     payloadType,
     new Uint8Array(payloadLength),
@@ -124,7 +124,7 @@ const formatSignaturePayload = (domain, payloadType, payload) => {
  * @returns {Promise<Envelope>}
  */
 Envelope.createFromProtobuf = async (data) => {
-  const envelopeData = Protobuf.decode(data)
+  const envelopeData = Protobuf.Envelope.decode(data)
   const peerId = await PeerId.createFromPubKey(envelopeData.public_key)
 
   return new Envelope({

src/record/peer-record/index.js

@@ -51,7 +51,7 @@ class PeerRecord extends Record {
       return this._marshal
     }
 
-    this._marshal = Protobuf.encode({
+    this._marshal = Protobuf.PeerRecord.encode({
       peer_id: this.peerId.toBytes(),
       seq: this.seqNumber,
       addresses: this.multiaddrs.map((m) => ({
@@ -65,7 +65,7 @@ class PeerRecord extends Record {
   /**
    * Returns true if `this` record equals the `other`.
    *
-   * @param {Record} other
+   * @param {PeerRecord} other
    * @returns {boolean}
    */
   equals (other) {
@@ -96,7 +96,7 @@ class PeerRecord extends Record {
  */
 PeerRecord.createFromProtobuf = (buf) => {
   // Decode
-  const peerRecord = Protobuf.decode(buf)
+  const peerRecord = Protobuf.PeerRecord.decode(buf)
 
   const peerId = PeerId.createFromBytes(peerRecord.peer_id)
   const multiaddrs = (peerRecord.addresses || []).map((a) => multiaddr(a.multiaddr))

src/record/peer-record/peer-record.proto.js

@@ -7,7 +7,8 @@ const protons = require('protons')
 // is expected to expand to include other information in the future.
 // PeerRecords are designed to be serialized to bytes and placed inside of
 // SignedEnvelopes before sharing with other peers.
-const message = `
+/** @type {{PeerRecord: import('../../types').MessageProto}} */
+module.exports = protons(`
 message PeerRecord {
     // AddressInfo is a wrapper around a binary multiaddr. It is defined as a
     // separate message to allow us to add per-address metadata in the future.
@@ -24,6 +25,4 @@ message PeerRecord {
     // addresses is a list of public listen addresses for the peer.
     repeated AddressInfo addresses = 3;
 }
-`
-
-module.exports = protons(message).PeerRecord
+`)

src/registrar.js

@@ -60,7 +60,7 @@ class Registrar {
    * Get a connection with a peer.
    *
    * @param {PeerId} peerId
-   * @returns {Connection}
+   * @returns {Connection | null}
    */
   getConnection (peerId) {
     return this.connectionManager.get(peerId)

src/transport-manager.js

@@ -14,6 +14,7 @@ const { updateSelfPeerRecord } = require('./record/utils')
 /**
  * @typedef {import('multiaddr')} Multiaddr
  * @typedef {import('libp2p-interfaces/src/connection').Connection} Connection
+ * @typedef {import('libp2p-interfaces/src/transport/types').Transport} Transport
  *
  * @typedef {Object} TransportManagerProperties
  * @property {import('./')} libp2p
@@ -53,6 +54,7 @@ class TransportManager {
       throw errCode(new Error('There is already a transport with this key'), codes.ERR_DUPLICATE_TRANSPORT)
     }
 
+    // @ts-ignore
     const transport = new Transport({
       ...transportOptions,
       libp2p: this.libp2p,

src/types.ts

@@ -16,3 +16,68 @@ export type MessageExchange = {
   id: Uint8Array
   pubKey: MessagePublicKey
 }
+
+// Protobufs
+export type MessageProto = {
+  encode(value: any): Uint8Array
+  decode(bytes: Uint8Array): any
+}
+
+export type SUCCESS = 100;
+export type HOP_SRC_ADDR_TOO_LONG = 220;
+export type HOP_DST_ADDR_TOO_LONG = 221;
+export type HOP_SRC_MULTIADDR_INVALID = 250;
+export type HOP_DST_MULTIADDR_INVALID = 251;
+export type HOP_NO_CONN_TO_DST = 260;
+export type HOP_CANT_DIAL_DST = 261;
+export type HOP_CANT_OPEN_DST_STREAM = 262;
+export type HOP_CANT_SPEAK_RELAY = 270;
+export type HOP_CANT_RELAY_TO_SELF = 280;
+export type STOP_SRC_ADDR_TOO_LONG = 320;
+export type STOP_DST_ADDR_TOO_LONG = 321;
+export type STOP_SRC_MULTIADDR_INVALID = 350;
+export type STOP_DST_MULTIADDR_INVALID = 351;
+export type STOP_RELAY_REFUSED = 390;
+export type MALFORMED_MESSAGE = 400;
+
+export type CircuitStatus = SUCCESS | HOP_SRC_ADDR_TOO_LONG | HOP_DST_ADDR_TOO_LONG
+  | HOP_SRC_MULTIADDR_INVALID | HOP_DST_MULTIADDR_INVALID | HOP_NO_CONN_TO_DST
+  | HOP_CANT_DIAL_DST | HOP_CANT_OPEN_DST_STREAM | HOP_CANT_SPEAK_RELAY | HOP_CANT_RELAY_TO_SELF
+  | STOP_SRC_ADDR_TOO_LONG | STOP_DST_ADDR_TOO_LONG | STOP_SRC_MULTIADDR_INVALID
+  | STOP_DST_MULTIADDR_INVALID | STOP_RELAY_REFUSED | MALFORMED_MESSAGE
+
+export type HOP = 1;
+export type STOP = 2;
+export type STATUS = 3;
+export type CAN_HOP = 4;
+
+export type CircuitType = HOP | STOP | STATUS | CAN_HOP
+
+export type CircuitMessageProto = {
+  encode(value: any): Uint8Array
+  decode(bytes: Uint8Array): any
+  Status: {
+    SUCCESS: SUCCESS,
+    HOP_SRC_ADDR_TOO_LONG: HOP_SRC_ADDR_TOO_LONG,
+    HOP_DST_ADDR_TOO_LONG: HOP_DST_ADDR_TOO_LONG,
+    HOP_SRC_MULTIADDR_INVALID: HOP_SRC_MULTIADDR_INVALID,
+    HOP_DST_MULTIADDR_INVALID: HOP_DST_MULTIADDR_INVALID,
+    HOP_NO_CONN_TO_DST: HOP_NO_CONN_TO_DST,
+    HOP_CANT_DIAL_DST: HOP_CANT_DIAL_DST,
+    HOP_CANT_OPEN_DST_STREAM: HOP_CANT_OPEN_DST_STREAM,
+    HOP_CANT_SPEAK_RELAY: HOP_CANT_SPEAK_RELAY,
+    HOP_CANT_RELAY_TO_SELF: HOP_CANT_RELAY_TO_SELF,
+    STOP_SRC_ADDR_TOO_LONG: STOP_SRC_ADDR_TOO_LONG,
+    STOP_DST_ADDR_TOO_LONG: STOP_DST_ADDR_TOO_LONG,
+    STOP_SRC_MULTIADDR_INVALID: STOP_SRC_MULTIADDR_INVALID,
+    STOP_DST_MULTIADDR_INVALID: STOP_DST_MULTIADDR_INVALID,
+    STOP_RELAY_REFUSED: STOP_RELAY_REFUSED,
+    MALFORMED_MESSAGE: MALFORMED_MESSAGE
+  },
+  Type: {
+    HOP: HOP,
+    STOP: STOP,
+    STATUS: STATUS,
+    CAN_HOP: CAN_HOP
+  }
+}

src/upgrader.js

@@ -9,27 +9,23 @@ const Multistream = require('multistream-select')
 const { Connection } = require('libp2p-interfaces/src/connection')
 const ConnectionStatus = require('libp2p-interfaces/src/connection/status')
 const PeerId = require('peer-id')
-const pipe = require('it-pipe')
+const { pipe } = require('it-pipe')
 const mutableProxy = require('mutable-proxy')
 
 const { codes } = require('./errors')
 
 /**
  * @typedef {import('libp2p-interfaces/src/connection').Connection} Connection
+ * @typedef {import('libp2p-interfaces/src/transport/types').MultiaddrConnection} MultiaddrConnection
+ * @typedef {import('libp2p-interfaces/src/stream-muxer/types').Muxer} Muxer
+ * @typedef {import('libp2p-interfaces/src/stream-muxer/types').MuxedStream} MuxedStream
+ * @typedef {import('libp2p-interfaces/src/crypto/types').Crypto} Crypto
  * @typedef {import('multiaddr')} Multiaddr
  */
 
-/**
- * @typedef MultiaddrConnection
- * @property {Function} sink
- * @property {AsyncIterator} source
- * @property {*} conn
- * @property {Multiaddr} remoteAddr
- */
-
 /**
  * @typedef CryptoResult
- * @property {*} conn A duplex iterable
+ * @property {MultiaddrConnection} conn A duplex iterable
  * @property {PeerId} remotePeer
  * @property {string} protocol
  */
@@ -39,23 +35,23 @@ class Upgrader {
    * @param {object} options
    * @param {PeerId} options.localPeer
    * @param {import('./metrics')} [options.metrics]
-   * @param {Map<string, Crypto>} options.cryptos
-   * @param {Map<string, Muxer>} options.muxers
+   * @param {Map<string, Crypto>} [options.cryptos]
+   * @param {Map<string, Muxer>} [options.muxers]
    * @param {(Connection) => void} options.onConnection - Called when a connection is upgraded
    * @param {(Connection) => void} options.onConnectionEnd
    */
   constructor ({
     localPeer,
     metrics,
-    cryptos,
-    muxers,
+    cryptos = new Map(),
+    muxers = new Map(),
     onConnectionEnd = () => {},
     onConnection = () => {}
   }) {
     this.localPeer = localPeer
     this.metrics = metrics
-    this.cryptos = cryptos || new Map()
-    this.muxers = muxers || new Map()
+    this.cryptos = cryptos
+    this.muxers = muxers
     this.protector = null
     this.protocols = new Map()
     this.onConnection = onConnection
@@ -138,12 +134,7 @@ class Upgrader {
    * @returns {Promise<Connection>}
    */
   async upgradeOutbound (maConn) {
-    let remotePeerId
-    try {
-      remotePeerId = PeerId.createFromB58String(maConn.remoteAddr.getPeerId())
-    } catch (err) {
-      log.error('multiaddr did not contain a valid peer id', err)
-    }
+    const remotePeerId = PeerId.createFromB58String(maConn.remoteAddr.getPeerId())
 
     let encryptedConn
     let remotePeer
@@ -155,7 +146,7 @@ class Upgrader {
 
     if (this.metrics) {
       ({ setTarget: setPeer, proxy: proxyPeer } = mutableProxy())
-      const idString = (parseInt(Math.random() * 1e9)).toString(36) + Date.now()
+      const idString = (Math.random() * 1e9).toString(36) + Date.now()
       setPeer({ toB58String: () => idString })
       maConn = this.metrics.trackStream({ stream: maConn, remotePeer: proxyPeer })
     }
@@ -213,8 +204,8 @@ class Upgrader {
    * @param {string} options.cryptoProtocol - The crypto protocol that was negotiated
    * @param {string} options.direction - One of ['inbound', 'outbound']
    * @param {MultiaddrConnection} options.maConn - The transport layer connection
-   * @param {*} options.upgradedConn - A duplex connection returned from multiplexer and/or crypto selection
-   * @param {Muxer} options.Muxer - The muxer to be used for muxing
+   * @param {MuxedStream | MultiaddrConnection} options.upgradedConn - A duplex connection returned from multiplexer and/or crypto selection
+   * @param {Muxer} [options.Muxer] - The muxer to be used for muxing
    * @param {PeerId} options.remotePeer - The peer the connection is with
    * @returns {Connection}
    */
@@ -233,6 +224,7 @@ class Upgrader {
 
     if (Muxer) {
       // Create the muxer
+      // @ts-ignore
       muxer = new Muxer({
         // Run anytime a remote stream is created
         onStream: async muxedStream => {
@@ -306,6 +298,7 @@ class Upgrader {
       remotePeer: remotePeer,
       stat: {
         direction,
+        // @ts-ignore
         timeline: maConn.timeline,
         multiplexer: Muxer && Muxer.multicodec,
         encryption: cryptoProtocol
@@ -332,7 +325,7 @@ class Upgrader {
    * @private
    * @param {object} options
    * @param {Connection} options.connection - The connection the stream belongs to
-   * @param {Stream} options.stream
+   * @param {MuxedStream} options.stream
    * @param {string} options.protocol
    */
   _onStream ({ connection, stream, protocol }) {
@@ -348,7 +341,7 @@ class Upgrader {
    * @param {PeerId} localPeer - The initiators PeerId
    * @param {*} connection
    * @param {Map<string, Crypto>} cryptos
-   * @returns {CryptoResult} An encrypted connection, remote peer `PeerId` and the protocol of the `Crypto` used
+   * @returns {Promise<CryptoResult>} An encrypted connection, remote peer `PeerId` and the protocol of the `Crypto` used
    */
   async _encryptInbound (localPeer, connection, cryptos) {
     const mss = new Multistream.Listener(connection)
@@ -360,6 +353,10 @@ class Upgrader {
       const crypto = cryptos.get(protocol)
       log('encrypting inbound connection...')
 
+      if (!crypto) {
+        throw new Error(`no crypto module found for ${protocol}`)
+      }
+
       return {
         ...await crypto.secureInbound(localPeer, stream),
         protocol
@@ -379,7 +376,7 @@ class Upgrader {
    * @param {*} connection
    * @param {PeerId} remotePeerId
    * @param {Map<string, Crypto>} cryptos
-   * @returns {CryptoResult} An encrypted connection, remote peer `PeerId` and the protocol of the `Crypto` used
+   * @returns {Promise<CryptoResult>} An encrypted connection, remote peer `PeerId` and the protocol of the `Crypto` used
    */
   async _encryptOutbound (localPeer, connection, remotePeerId, cryptos) {
     const mss = new Multistream.Dialer(connection)
@@ -391,6 +388,10 @@ class Upgrader {
       const crypto = cryptos.get(protocol)
       log('encrypting outbound connection to %j', remotePeerId)
 
+      if (!crypto) {
+        throw new Error(`no crypto module found for ${protocol}`)
+      }
+
       return {
         ...await crypto.secureOutbound(localPeer, stream, remotePeerId),
         protocol
@@ -406,9 +407,9 @@ class Upgrader {
    *
    * @private
    * @async
-   * @param {*} connection - A basic duplex connection to multiplex
+   * @param {MultiaddrConnection} connection - A basic duplex connection to multiplex
    * @param {Map<string, Muxer>} muxers - The muxers to attempt multiplexing with
-   * @returns {*} A muxed connection
+   * @returns {Promise<{ stream: MuxedStream, Muxer?: Muxer}>} A muxed connection
    */
   async _multiplexOutbound (connection, muxers) {
     const dialer = new Multistream.Dialer(connection)
@@ -430,9 +431,9 @@ class Upgrader {
    *
    * @private
    * @async
-   * @param {*} connection - A basic duplex connection to multiplex
+   * @param {MultiaddrConnection} connection - A basic duplex connection to multiplex
    * @param {Map<string, Muxer>} muxers - The muxers to attempt multiplexing with
-   * @returns {*} A muxed connection
+   * @returns {Promise<{ stream: MuxedStream, Muxer?: Muxer}>} A muxed connection
    */
   async _multiplexInbound (connection, muxers) {
     const listener = new Multistream.Listener(connection)

test/dialing/dial-request.spec.js

@@ -10,7 +10,7 @@ const AggregateError = require('aggregate-error')
 const pDefer = require('p-defer')
 const delay = require('delay')
 
-const { DialRequest } = require('../../src/dialer/dial-request')
+const DialRequest = require('../../src/dialer/dial-request')
 const createMockConnection = require('../utils/mockConnection')
 const error = new Error('dial failes')
 

test/identify/index.spec.js

@@ -12,7 +12,8 @@ const pWaitFor = require('p-wait-for')
 const unit8ArrayToString = require('uint8arrays/to-string')
 
 const { codes: Errors } = require('../../src/errors')
-const { IdentifyService, multicodecs } = require('../../src/identify')
+const IdentifyService = require('../../src/identify')
+const multicodecs = IdentifyService.multicodecs
 const Peers = require('../fixtures/peers')
 const Libp2p = require('../../src')
 const Envelope = require('../../src/record/envelope')

test/upgrading/upgrader.spec.js

@@ -56,28 +56,6 @@ describe('Upgrader', () => {
     sinon.restore()
   })
 
-  it('should ignore a missing remote peer id', async () => {
-    const { inbound, outbound } = mockMultiaddrConnPair({ addrs, remotePeer })
-
-    const muxers = new Map([[Muxer.multicodec, Muxer]])
-    sinon.stub(localUpgrader, 'muxers').value(muxers)
-    sinon.stub(remoteUpgrader, 'muxers').value(muxers)
-
-    const cryptos = new Map([[Crypto.protocol, Crypto]])
-    sinon.stub(localUpgrader, 'cryptos').value(cryptos)
-    sinon.stub(remoteUpgrader, 'cryptos').value(cryptos)
-
-    // Remove the peer id from the remote address
-    outbound.remoteAddr = outbound.remoteAddr.decapsulateCode(421)
-
-    const connections = await Promise.all([
-      localUpgrader.upgradeOutbound(outbound),
-      remoteUpgrader.upgradeInbound(inbound)
-    ])
-
-    expect(connections).to.have.length(2)
-  })
-
   it('should upgrade with valid muxers and crypto', async () => {
     const { inbound, outbound } = mockMultiaddrConnPair({ addrs, remotePeer })
 

tsconfig.json

@@ -1,7 +1,21 @@
 {
   "extends": "./node_modules/aegir/src/config/tsconfig.aegir.json",
   "compilerOptions": {
-    "outDir": "dist"
+    "outDir": "dist",
+    "forceConsistentCasingInFileNames": true,
+    "noImplicitReturns": false,
+    "noImplicitAny": false,
+    "noImplicitThis": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": false,
+    "strictFunctionTypes": true,
+    "strictNullChecks": true,
+    "strictPropertyInitialization": true,
+    "strictBindCallApply": true,
+    "strict": true,
+    "alwaysStrict": true,
+    "stripInternal": true
   },
   "include": [
     "src"