chore: release version v0.35.7

Signed-off-by: Tuyen Nguyen <vutuyen2636@gmail.com>

.github/workflows/main.yml

@@ -19,7 +19,7 @@ jobs:
     - run: npx aegir lint
     - run: npx aegir build
     - run: npx aegir dep-check
-    - uses: ipfs/aegir/actions/bundle-size@v32.1.0
+    - uses: ipfs/aegir/actions/bundle-size@master
       name: size
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}
@@ -37,7 +37,7 @@ jobs:
         with:
           node-version: ${{ matrix.node }}
       - run: npm install
-      - run: npx aegir test -t node --cov --bail
+      - run: npm run test:node -- --cov --bail
       - uses: codecov/codecov-action@v1
   test-chrome:
     needs: check
@@ -48,7 +48,7 @@ jobs:
         with:
           node-version: lts/*
       - run: npm install
-      - run: npx aegir test -t browser -t webworker --bail
+      - run: npm run test:browser -- -t browser -t webworker --bail
   test-firefox:
     needs: check
     runs-on: ubuntu-latest
@@ -58,7 +58,7 @@ jobs:
         with:
           node-version: lts/*
       - run: npm install
-      - run: npx aegir test -t browser -t webworker --bail -- --browser firefox
+      - run: npm run test:browser -- -t browser -t webworker --bail -- --browser firefox
   test-ts:
     needs: check
     runs-on: ubuntu-latest

CHANGELOG.md

@@ -1,3 +1,84 @@
+## [0.35.7](https://github.com/libp2p/js-libp2p/compare/v0.35.2...v0.35.7) (2021-12-24)
+
+
+### Bug Fixes
+
+* add tracked map ([#1069](https://github.com/libp2p/js-libp2p/issues/1069)) ([b425fa1](https://github.com/libp2p/js-libp2p/commit/b425fa12304def2a007d43a0aa445c28b766ed02))
+* clean up pending dial targets ([#1059](https://github.com/libp2p/js-libp2p/issues/1059)) ([bdc9f16](https://github.com/libp2p/js-libp2p/commit/bdc9f16d0cbe56ccf26822f11068e7795bcef046))
+* fix uncaught promise rejection when finding peers ([#1044](https://github.com/libp2p/js-libp2p/issues/1044)) ([3b683e7](https://github.com/libp2p/js-libp2p/commit/3b683e715686163e229b7b5c3a892327dfd4fc63))
+* increase the maxlisteners for timeout controllers ([#1065](https://github.com/libp2p/js-libp2p/issues/1065)) ([09a0f94](https://github.com/libp2p/js-libp2p/commit/09a0f940df7fdb4ece34604e85693709df5c213e))
+* main ci ([#1079](https://github.com/libp2p/js-libp2p/issues/1079)) ([d1c48dc](https://github.com/libp2p/js-libp2p/commit/d1c48dcbeded828f2dd3044cc9aed3f17f02846d))
+* make error codes consistent ([#1054](https://github.com/libp2p/js-libp2p/issues/1054)) ([b25e0fe](https://github.com/libp2p/js-libp2p/commit/b25e0fe5312db58a06c39500ae84c50fed3a93bd))
+* type definitions for big dialrequest and persistent peerstore ([#1078](https://github.com/libp2p/js-libp2p/issues/1078)) ([cb0d7d6](https://github.com/libp2p/js-libp2p/commit/cb0d7d6c99d179498f04e76df76e70e4f7d41c4c))
+
+
+### Features
+
+* allow per-component metrics to be collected ([#1061](https://github.com/libp2p/js-libp2p/issues/1061)) ([2f0b311](https://github.com/libp2p/js-libp2p/commit/2f0b311df7127aa44512c2008142d4ca30268986)), closes [#1060](https://github.com/libp2p/js-libp2p/issues/1060)
+
+
+
+## [0.35.6](https://github.com/libp2p/js-libp2p/compare/v0.35.5...v0.35.6) (2021-12-18)
+
+
+### Bug Fixes
+
+* increase the maxlisteners for timeout controllers ([#1065](https://github.com/libp2p/js-libp2p/issues/1065)) ([09a0f94](https://github.com/libp2p/js-libp2p/commit/09a0f940df7fdb4ece34604e85693709df5c213e))
+
+
+
+## [0.35.5](https://github.com/libp2p/js-libp2p/compare/v0.35.4...v0.35.5) (2021-12-15)
+
+
+
+## [0.35.4](https://github.com/libp2p/js-libp2p/compare/v0.35.3...v0.35.4) (2021-12-15)
+
+
+### Features
+
+* allow per-component metrics to be collected ([#1061](https://github.com/libp2p/js-libp2p/issues/1061)) ([2f0b311](https://github.com/libp2p/js-libp2p/commit/2f0b311df7127aa44512c2008142d4ca30268986)), closes [#1060](https://github.com/libp2p/js-libp2p/issues/1060)
+
+
+
+## [0.35.3](https://github.com/libp2p/js-libp2p/compare/v0.35.2...v0.35.3) (2021-12-13)
+
+
+### Bug Fixes
+
+* clean up pending dial targets ([#1059](https://github.com/libp2p/js-libp2p/issues/1059)) ([bdc9f16](https://github.com/libp2p/js-libp2p/commit/bdc9f16d0cbe56ccf26822f11068e7795bcef046))
+* fix uncaught promise rejection when finding peers ([#1044](https://github.com/libp2p/js-libp2p/issues/1044)) ([3b683e7](https://github.com/libp2p/js-libp2p/commit/3b683e715686163e229b7b5c3a892327dfd4fc63))
+* make error codes consistent ([#1054](https://github.com/libp2p/js-libp2p/issues/1054)) ([b25e0fe](https://github.com/libp2p/js-libp2p/commit/b25e0fe5312db58a06c39500ae84c50fed3a93bd))
+
+
+
+## [0.35.2](https://github.com/libp2p/js-libp2p/compare/v0.33.0...v0.35.2) (2021-12-06)
+
+
+### Bug Fixes
+
+* do not let closest peers run forever ([#1047](https://github.com/libp2p/js-libp2p/issues/1047)) ([91c2ec9](https://github.com/libp2p/js-libp2p/commit/91c2ec9856a3e972b7b2c9c4d9a4eda1d431c7ef))
+* increase maxlisteners on event target ([#1050](https://github.com/libp2p/js-libp2p/issues/1050)) ([b70fb43](https://github.com/libp2p/js-libp2p/commit/b70fb43427b47df079b55929ec8956f69cbda966)), closes [#900](https://github.com/libp2p/js-libp2p/issues/900)
+* private ip ts compile has no call signatures ([#1020](https://github.com/libp2p/js-libp2p/issues/1020)) ([77d7cb8](https://github.com/libp2p/js-libp2p/commit/77d7cb8f0815f2cdd3bfdfa8b641a7a186fe9520))
+* stop dht before connection manager ([#1041](https://github.com/libp2p/js-libp2p/issues/1041)) ([3a9d5f6](https://github.com/libp2p/js-libp2p/commit/3a9d5f64d96719ebb4d3b083c4f5832db4fa0816)), closes [#1039](https://github.com/libp2p/js-libp2p/issues/1039)
+
+
+### chore
+
+* update peer id and libp2p crypto ([#1042](https://github.com/libp2p/js-libp2p/issues/1042)) ([9cbf36f](https://github.com/libp2p/js-libp2p/commit/9cbf36fcb54099e6fed35ceccc4a2376f0926c1f))
+
+
+### Features
+
+* update dht ([#1009](https://github.com/libp2p/js-libp2p/issues/1009)) ([2f598eb](https://github.com/libp2p/js-libp2p/commit/2f598eba09cff4301474af08196158065e3602d8))
+
+
+### BREAKING CHANGES
+
+* requires node 15+
+* libp2p-kad-dht has a new event-based API which is exposed as `_dht`
+
+
+
 ## [0.35.1](https://github.com/libp2p/js-libp2p/compare/v0.35.0...v0.35.1) (2021-12-03)
 
 

README.md

@@ -23,8 +23,8 @@
   <a href="https://david-dm.org/libp2p/js-libp2p"><img src="https://david-dm.org/libp2p/js-libp2p.svg?style=flat-square" /></a>
   <a href="https://github.com/feross/standard"><img src="https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square"></a>
   <a href="https://github.com/RichardLitt/standard-readme"><img src="https://img.shields.io/badge/standard--readme-OK-green.svg?style=flat-square" /></a>
-  <a href=""><img src="https://img.shields.io/badge/npm-%3E%3D6.0.0-orange.svg?style=flat-square" /></a>
+  <a href=""><img src="https://img.shields.io/badge/npm-%3E%3D7.0.0-orange.svg?style=flat-square" /></a>
-  <a href=""><img src="https://img.shields.io/badge/Node.js-%3E%3D12.0.0-orange.svg?style=flat-square" /></a>
+  <a href=""><img src="https://img.shields.io/badge/Node.js-%3E%3D15.0.0-orange.svg?style=flat-square" /></a>
   <br>
 </p>
 

doc/CONFIGURATION.md

@@ -497,9 +497,9 @@ const Libp2p = require('libp2p')
 const TCP = require('libp2p-tcp')
 const MPLEX = require('libp2p-mplex')
 const { NOISE } = require('libp2p-noise')
-const LevelStore = require('datastore-level')
+const LevelDatastore = require('datastore-level')
 
-const datastore = new LevelStore('path/to/store')
+const datastore = new LevelDatastore('path/to/store')
 await datastore.open()
 
 const node = await Libp2p.create({
@@ -672,18 +672,18 @@ const Libp2p = require('libp2p')
 const TCP = require('libp2p-tcp')
 const MPLEX = require('libp2p-mplex')
 const { NOISE } = require('libp2p-noise')
-const LevelStore = require('datastore-level')
+const LevelDatastore = require('datastore-level')
 
-const datastore = new LevelStore('path/to/store')
+const datastore = new LevelDatastore('path/to/store')
-const dsInstant = await datastore.open()
+await datastore.open() // level database must be ready before node boot
 
 const node = await Libp2p.create({
+  datastore, // pass the opened datastore
   modules: {
     transport: [TCP],
     streamMuxer: [MPLEX],
     connEncryption: [NOISE]
   },
-  datastore: dsInstant,
   peerStore: {
     persistence: true,
     threshold: 5
@@ -806,8 +806,8 @@ protocols: [
 
 As libp2p is designed to be a modular networking library, its usage will vary based on individual project needs. We've included links to some existing project configurations for your reference, in case you wish to replicate their configuration:
 
-- [libp2p-ipfs-nodejs](https://github.com/ipfs/js-ipfs/blob/master/packages/ipfs/src/core/runtime/libp2p-nodejs.js) - libp2p configuration used by js-ipfs when running in Node.js
+- [libp2p-ipfs-nodejs](https://github.com/ipfs/js-ipfs/blob/master/packages/ipfs-core-config/src/libp2p.js) - libp2p configuration used by js-ipfs when running in Node.js
-- [libp2p-ipfs-browser](https://github.com/ipfs/js-ipfs/blob/master/packages/ipfs/src/core/runtime/libp2p-browser.js) - libp2p configuration used by js-ipfs when running in a Browser (that supports WebRTC)
+- [libp2p-ipfs-browser](https://github.com/ipfs/js-ipfs/blob/master/packages/ipfs-core-config/src/libp2p.browser.js) - libp2p configuration used by js-ipfs when running in a Browser (that supports WebRTC)
 
 If you have developed a project using `js-libp2p`, please consider submitting your configuration to this list so that it can be found easily by other users.
 

examples/pubsub/1.js

@@ -41,13 +41,13 @@ const createNode = async () => {
   node1.pubsub.on(topic, (msg) => {
     console.log(`node1 received: ${uint8ArrayToString(msg.data)}`)
   })
-  await node1.pubsub.subscribe(topic)
+  node1.pubsub.subscribe(topic)
 
   // Will not receive own published messages by default
   node2.pubsub.on(topic, (msg) => {
     console.log(`node2 received: ${uint8ArrayToString(msg.data)}`)
   })
-  await node2.pubsub.subscribe(topic)
+  node2.pubsub.subscribe(topic)
 
   // node2 publishes "news" every second
   setInterval(() => {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "libp2p",
-  "version": "0.35.1",
+  "version": "0.35.7",
   "description": "JavaScript implementation of libp2p, a modular peer to peer network stack",
   "leadMaintainer": "Jacob Heun <jacobheun@gmail.com>",
   "main": "src/index.js",
@@ -69,7 +69,7 @@
     "node": ">=15.0.0"
   },
   "browser": {
-    "@motrix/nat-api": false
+    "nat-api": false
   },
   "eslintConfig": {
     "extends": "ipfs",
@@ -80,7 +80,6 @@
     ]
   },
   "dependencies": {
-    "@motrix/nat-api": "^0.3.1",
     "@vascosantos/moving-average": "^1.1.0",
     "abort-controller": "^3.0.0",
     "abortable-iterator": "^3.0.0",
@@ -114,6 +113,7 @@
     "multiformats": "^9.0.0",
     "multistream-select": "^2.0.0",
     "mutable-proxy": "^1.0.0",
+    "nat-api": "^0.3.1",
     "node-forge": "^0.10.0",
     "p-any": "^3.0.0",
     "p-fifo": "^1.0.0",
@@ -133,7 +133,7 @@
     "xsalsa20": "^1.1.0"
   },
   "devDependencies": {
-    "@chainsafe/libp2p-noise": "^4.0.0",
+    "@chainsafe/libp2p-noise": "^5.0.0",
     "@nodeutils/defaults-deep": "^1.1.0",
     "@types/es6-promisify": "^6.0.0",
     "@types/node": "^16.0.1",
@@ -151,9 +151,9 @@
     "libp2p": ".",
     "libp2p-bootstrap": "^0.14.0",
     "libp2p-delegated-content-routing": "^0.11.0",
-    "libp2p-delegated-peer-routing": "^0.11.0",
+    "libp2p-delegated-peer-routing": "^0.11.1",
-    "libp2p-floodsub": "^0.27.0",
+    "libp2p-floodsub": "^0.28.0",
-    "libp2p-gossipsub": "^0.11.0",
+    "libp2p-gossipsub": "^0.12.1",
     "libp2p-interfaces-compliance-tests": "^2.0.1",
     "libp2p-interop": "^0.5.0",
     "libp2p-kad-dht": "^0.27.1",
@@ -181,34 +181,35 @@
     "Friedel Ziegelmayer <dignifiedquire@gmail.com>",
     "Maciej Krüger <mkg20001@gmail.com>",
     "Hugo Dias <mail@hugodias.me>",
-    "dirkmc <dirkmdev@gmail.com>",
-    "Chris Dostert <chrisdostert@users.noreply.github.com>",
     "Volker Mische <volker.mische@gmail.com>",
-    "zeim839 <50573884+zeim839@users.noreply.github.com>",
+    "Chris Dostert <chrisdostert@users.noreply.github.com>",
+    "dirkmc <dirkmdev@gmail.com>",
+    "Robert Kiel <robert.kiel@hoprnet.org>",
     "Richard Littauer <richard.littauer@gmail.com>",
+    "zeim839 <50573884+zeim839@users.noreply.github.com>",
     "a1300 <matthias-knopp@gmx.net>",
     "Ryan Bell <ryan@piing.net>",
     "ᴠɪᴄᴛᴏʀ ʙᴊᴇʟᴋʜᴏʟᴍ <victorbjelkholm@gmail.com>",
+    "Andrew Nesbitt <andrewnez@gmail.com>",
+    "Franck Royer <franck@royer.one>",
+    "Thomas Eizinger <thomas@eizinger.io>",
+    "Vít Habada <vithabada93@gmail.com>",
     "Giovanni T. Parra <fiatjaf@gmail.com>",
     "acolytec3 <17355484+acolytec3@users.noreply.github.com>",
-    "Franck Royer <franck@royer.one>",
+    "Alan Smithee <ggnore.alan.smithee@gmail.com>",
     "Elven <mon.samuel@qq.com>",
-    "Robert Kiel <robert.kiel@hoprnet.org>",
-    "Andrew Nesbitt <andrewnez@gmail.com>",
     "Samlior <samlior@foxmail.com>",
-    "Thomas Eizinger <thomas@eizinger.io>",
     "Didrik Nordström <didrik.nordstrom@gmail.com>",
-    "Smite Chow <xiaopengyou@live.com>",
+    "Aditya Bose <13054902+adbose@users.noreply.github.com>",
-    "Soeren <nikorpoulsen@gmail.com>",
-    "Sönke Hahn <soenkehahn@gmail.com>",
     "TJKoury <TJKoury@gmail.com>",
     "TheStarBoys <41286328+TheStarBoys@users.noreply.github.com>",
     "Tiago Alves <alvesjtiago@gmail.com>",
+    "Tim Daubenschütz <tim@daubenschuetz.de>",
     "XiaoZhang <zxinmyth@gmail.com>",
     "Yusef Napora <yusef@napora.org>",
     "Zane Starr <zcstarr@gmail.com>",
     "ebinks <elizabethjbinks@gmail.com>",
-    "Aditya Bose <13054902+adbose@users.noreply.github.com>",
+    "greenSnot <greenSnot@users.noreply.github.com>",
     "isan_rivkin <isanrivkin@gmail.com>",
     "mayerwin <mayerwin@users.noreply.github.com>",
     "mcclure <andi.m.mcclure@gmail.com>",
@@ -217,8 +218,8 @@
     "robertkiel <robert.kiel@validitylabs.org>",
     "shresthagrawal <34920931+shresthagrawal@users.noreply.github.com>",
     "swedneck <40505480+swedneck@users.noreply.github.com>",
-    "greenSnot <greenSnot@users.noreply.github.com>",
+    "tuyennhv <vutuyen2636@gmail.com>",
-    "Alan Smithee <ggnore.alan.smithee@gmail.com>",
+    "Sönke Hahn <soenkehahn@gmail.com>",
     "Aleksei <vozhdb@gmail.com>",
     "Bernd Strehl <bernd.strehl@gmail.com>",
     "Chris Bratlien <chrisbratlien@gmail.com>",
@@ -243,10 +244,13 @@
     "Lars Gierth <lgierth@users.noreply.github.com>",
     "Leask Wong <i@leaskh.com>",
     "Marcin Tojek <mtojek@users.noreply.github.com>",
+    "Marston Connell <34043723+TheMarstonConnell@users.noreply.github.com>",
     "Michael Burns <5170+mburns@users.noreply.github.com>",
     "Miguel Mota <miguelmota2@gmail.com>",
     "Nuno Nogueira <nunofmn@gmail.com>",
     "Philipp Muens <raute1337@gmx.de>",
-    "RasmusErik Voel Jensen <github@solsort.com>"
+    "RasmusErik Voel Jensen <github@solsort.com>",
+    "Smite Chow <xiaopengyou@live.com>",
+    "Soeren <nikorpoulsen@gmail.com>"
   ]
 }

src/circuit/index.js

@@ -4,7 +4,7 @@ const debug = require('debug')
 const log = Object.assign(debug('libp2p:relay'), {
   error: debug('libp2p:relay:err')
 })
-
+const { codes } = require('./../errors')
 const {
   setDelayedInterval,
   clearDelayedInterval
@@ -88,7 +88,7 @@ class Relay {
       const cid = await namespaceToCid(RELAY_RENDEZVOUS_NS)
       await this._libp2p.contentRouting.provide(cid)
     } catch (/** @type {any} */ err) {
-      if (err.code === 'NO_ROUTERS_AVAILABLE') {
+      if (err.code === codes.ERR_NO_ROUTERS_AVAILABLE) {
         log.error('a content router, such as a DHT, must be provided in order to advertise the relay service', err)
         // Stop the advertise
         this.stop()

src/config.js

@@ -60,13 +60,7 @@ const DefaultConfig = {
     protocolPrefix: 'ipfs',
     dht: {
       enabled: false,
-      kBucketSize: 20,
+      kBucketSize: 20
-      randomWalk: {
-        enabled: false, // disabled waiting for https://github.com/libp2p/js-libp2p-kad-dht/issues/86
-        queriesPerPeriod: 1,
-        interval: 300e3,
-        timeout: 10e3
-      }
     },
     nat: {
       enabled: true,

src/connection-manager/index.js

@@ -12,7 +12,7 @@ const LatencyMonitor = require('./latency-monitor')
 const retimer = require('retimer')
 
 const { EventEmitter } = require('events')
-
+const trackedMap = require('../metrics/tracked-map')
 const PeerId = require('peer-id')
 
 const {
@@ -32,6 +32,10 @@ const defaultOptions = {
   defaultPeerValue: 1
 }
 
+const METRICS_COMPONENT = 'connection-manager'
+const METRICS_PEER_CONNECTIONS = 'peer-connections'
+const METRICS_PEER_VALUES = 'peer-values'
+
 /**
  * @typedef {import('../')} Libp2p
  * @typedef {import('libp2p-interfaces/src/connection').Connection} Connection
@@ -83,14 +87,14 @@ class ConnectionManager extends EventEmitter {
      *
      * @type {Map<string, number>}
      */
-    this._peerValues = new Map()
+    this._peerValues = trackedMap(METRICS_COMPONENT, METRICS_PEER_VALUES, this._libp2p.metrics)
 
     /**
      * Map of connections per peer
      *
      * @type {Map<string, Connection[]>}
      */
-    this.connections = new Map()
+    this.connections = trackedMap(METRICS_COMPONENT, METRICS_PEER_CONNECTIONS, this._libp2p.metrics)
 
     this._started = false
     this._timer = null
@@ -211,6 +215,7 @@ class ConnectionManager extends EventEmitter {
     const storedConn = this.connections.get(peerIdStr)
 
     this.emit('peer:connect', connection)
+
     if (storedConn) {
       storedConn.push(connection)
     } else {
@@ -243,6 +248,8 @@ class ConnectionManager extends EventEmitter {
       this.connections.delete(peerId)
       this._peerValues.delete(connection.remotePeer.toB58String())
       this.emit('peer:disconnect', connection)
+
+      this._libp2p.metrics && this._libp2p.metrics.onPeerDisconnected(connection.remotePeer)
     }
   }
 

src/content-routing/index.js

@@ -54,7 +54,7 @@ class ContentRouting {
    */
   async * findProviders (key, options = {}) {
     if (!this.routers.length) {
-      throw errCode(new Error('No content this.routers available'), 'NO_ROUTERS_AVAILABLE')
+      throw errCode(new Error('No content this.routers available'), codes.ERR_NO_ROUTERS_AVAILABLE)
     }
 
     yield * pipe(
@@ -77,7 +77,7 @@ class ContentRouting {
    */
   async provide (key) {
     if (!this.routers.length) {
-      throw errCode(new Error('No content routers available'), 'NO_ROUTERS_AVAILABLE')
+      throw errCode(new Error('No content routers available'), codes.ERR_NO_ROUTERS_AVAILABLE)
     }
 
     await Promise.all(this.routers.map((router) => router.provide(key)))

src/dht/dht-peer-routing.js

@@ -27,8 +27,12 @@ class DHTPeerRouting {
    */
   async findPeer (peerId, options = {}) {
     for await (const event of this._dht.findPeer(peerId, options)) {
-      if (event.name === 'FINAL_PEER') {
+      if (event.name === 'PEER_RESPONSE') {
-        return event.peer
+        const peer = event.closer.find(peerData => peerData.id.equals(peerId))
+
+        if (peer) {
+          return peer
+        }
       }
     }
 

src/dialer/dial-request.js

@@ -1,11 +1,13 @@
 'use strict'
 
 const errCode = require('err-code')
-const AbortController = require('abort-controller').default
 const { anySignal } = require('any-signal')
 // @ts-ignore p-fifo does not export types
 const FIFO = require('p-fifo')
 const pAny = require('p-any')
+// @ts-expect-error setMaxListeners is missing from the types
+const { setMaxListeners } = require('events')
+const { codes } = require('../errors')
 
 /**
  * @typedef {import('libp2p-interfaces/src/connection').Connection} Connection
@@ -54,12 +56,17 @@ class DialRequest {
     const tokens = this.dialer.getTokens(this.addrs.length)
     // If no tokens are available, throw
     if (tokens.length < 1) {
-      throw errCode(new Error('No dial tokens available'), 'ERR_NO_DIAL_TOKENS')
+      throw errCode(new Error('No dial tokens available'), codes.ERR_NO_DIAL_TOKENS)
     }
 
     const tokenHolder = new FIFO()
     tokens.forEach(token => tokenHolder.push(token))
-    const dialAbortControllers = this.addrs.map(() => new AbortController())
+    const dialAbortControllers = this.addrs.map(() => {
+      const controller = new AbortController()
+      setMaxListeners && setMaxListeners(Infinity, controller.signal)
+
+      return controller
+    })
     let completedDials = 0
 
     try {

src/dialer/index.js

@@ -9,11 +9,12 @@ const { Multiaddr } = require('multiaddr')
 const { TimeoutController } = require('timeout-abort-controller')
 const { AbortError } = require('abortable-iterator')
 const { anySignal } = require('any-signal')
-
+// @ts-expect-error setMaxListeners is missing from the types
+const { setMaxListeners } = require('events')
 const DialRequest = require('./dial-request')
 const { publicAddressesFirst } = require('libp2p-utils/src/address-sort')
 const getPeer = require('../get-peer')
-
+const trackedMap = require('../metrics/tracked-map')
 const { codes } = require('../errors')
 const {
   DIAL_TIMEOUT,
@@ -22,6 +23,10 @@ const {
   MAX_ADDRS_TO_DIAL
 } = require('../constants')
 
+const METRICS_COMPONENT = 'dialler'
+const METRICS_PENDING_DIALS = 'pending-dials'
+const METRICS_PENDING_DIAL_TARGETS = 'pending-dial-targets'
+
 /**
  * @typedef {import('libp2p-interfaces/src/connection').Connection} Connection
  * @typedef {import('peer-id')} PeerId
@@ -44,14 +49,15 @@ const {
  * @property {number} [maxDialsPerPeer = MAX_PER_PEER_DIALS] - Number of max concurrent dials per peer.
  * @property {number} [dialTimeout = DIAL_TIMEOUT] - How long a dial attempt is allowed to take.
  * @property {Record<string, Resolver>} [resolvers = {}] - multiaddr resolvers to use when dialing
+ * @property {import('../metrics')} [metrics]
  *
  * @typedef DialTarget
  * @property {string} id
  * @property {Multiaddr[]} addrs
  *
  * @typedef PendingDial
- * @property {DialRequest} dialRequest
+ * @property {import('./dial-request')} dialRequest
- * @property {TimeoutController} controller
+ * @property {import('timeout-abort-controller').TimeoutController} controller
  * @property {Promise<Connection>} promise
  * @property {function():void} destroy
  */
@@ -69,7 +75,8 @@ class Dialer {
     maxAddrsToDial = MAX_ADDRS_TO_DIAL,
     dialTimeout = DIAL_TIMEOUT,
     maxDialsPerPeer = MAX_PER_PEER_DIALS,
-    resolvers = {}
+    resolvers = {},
+    metrics
   }) {
     this.transportManager = transportManager
     this.peerStore = peerStore
@@ -79,8 +86,12 @@ class Dialer {
     this.timeout = dialTimeout
     this.maxDialsPerPeer = maxDialsPerPeer
     this.tokens = [...new Array(maxParallelDials)].map((_, index) => index)
-    this._pendingDials = new Map()
+
-    this._pendingDialTargets = new Map()
+    /** @type {Map<string, PendingDial>} */
+    this._pendingDials = trackedMap(METRICS_COMPONENT, METRICS_PENDING_DIALS, metrics)
+
+    /** @type {Map<string, { resolve: (value: any) => void, reject: (err: Error) => void}>} */
+    this._pendingDialTargets = trackedMap(METRICS_COMPONENT, METRICS_PENDING_DIAL_TARGETS, metrics)
 
     for (const [key, value] of Object.entries(resolvers)) {
       Multiaddr.resolvers.set(key, value)
@@ -155,14 +166,16 @@ class Dialer {
       this._pendingDialTargets.set(id, { resolve, reject })
     })
 
-    const dialTarget = await Promise.race([
+    try {
-      this._createDialTarget(peer),
+      const dialTarget = await Promise.race([
-      cancellablePromise
+        this._createDialTarget(peer),
-    ])
+        cancellablePromise
+      ])
 
-    this._pendingDialTargets.delete(id)
+      return dialTarget
-
+    } finally {
-    return dialTarget
+      this._pendingDialTargets.delete(id)
+    }
   }
 
   /**
@@ -239,6 +252,10 @@ class Dialer {
 
     // Combine the timeout signal and options.signal, if provided
     const timeoutController = new TimeoutController(this.timeout)
+    // this controller will potentially be used while dialing lots of
+    // peers so prevent MaxListenersExceededWarning appearing in the console
+    setMaxListeners && setMaxListeners(Infinity, timeoutController.signal)
+
     const signals = [timeoutController.signal]
     options.signal && signals.push(options.signal)
     const signal = anySignal(signals)
@@ -253,6 +270,7 @@ class Dialer {
       }
     }
     this._pendingDials.set(dialTarget.id, pendingDial)
+
     return pendingDial
   }
 

src/errors.js

@@ -36,5 +36,29 @@ exports.codes = {
   ERR_TRANSPORT_DIAL_FAILED: 'ERR_TRANSPORT_DIAL_FAILED',
   ERR_UNSUPPORTED_PROTOCOL: 'ERR_UNSUPPORTED_PROTOCOL',
   ERR_INVALID_MULTIADDR: 'ERR_INVALID_MULTIADDR',
-  ERR_SIGNATURE_NOT_VALID: 'ERR_SIGNATURE_NOT_VALID'
+  ERR_SIGNATURE_NOT_VALID: 'ERR_SIGNATURE_NOT_VALID',
+  ERR_FIND_SELF: 'ERR_FIND_SELF',
+  ERR_NO_ROUTERS_AVAILABLE: 'ERR_NO_ROUTERS_AVAILABLE',
+  ERR_CONNECTION_NOT_MULTIPLEXED: 'ERR_CONNECTION_NOT_MULTIPLEXED',
+  ERR_NO_DIAL_TOKENS: 'ERR_NO_DIAL_TOKENS',
+  ERR_KEYCHAIN_REQUIRED: 'ERR_KEYCHAIN_REQUIRED',
+  ERR_INVALID_CMS: 'ERR_INVALID_CMS',
+  ERR_MISSING_KEYS: 'ERR_MISSING_KEYS',
+  ERR_NO_KEY: 'ERR_NO_KEY',
+  ERR_INVALID_KEY_NAME: 'ERR_INVALID_KEY_NAME',
+  ERR_INVALID_KEY_TYPE: 'ERR_INVALID_KEY_TYPE',
+  ERR_KEY_ALREADY_EXISTS: 'ERR_KEY_ALREADY_EXISTS',
+  ERR_INVALID_KEY_SIZE: 'ERR_INVALID_KEY_SIZE',
+  ERR_KEY_NOT_FOUND: 'ERR_KEY_NOT_FOUND',
+  ERR_OLD_KEY_NAME_INVALID: 'ERR_OLD_KEY_NAME_INVALID',
+  ERR_NEW_KEY_NAME_INVALID: 'ERR_NEW_KEY_NAME_INVALID',
+  ERR_PASSWORD_REQUIRED: 'ERR_PASSWORD_REQUIRED',
+  ERR_PEM_REQUIRED: 'ERR_PEM_REQUIRED',
+  ERR_CANNOT_READ_KEY: 'ERR_CANNOT_READ_KEY',
+  ERR_MISSING_PRIVATE_KEY: 'ERR_MISSING_PRIVATE_KEY',
+  ERR_INVALID_OLD_PASS_TYPE: 'ERR_INVALID_OLD_PASS_TYPE',
+  ERR_INVALID_NEW_PASS_TYPE: 'ERR_INVALID_NEW_PASS_TYPE',
+  ERR_INVALID_PASS_LENGTH: 'ERR_INVALID_PASS_LENGTH',
+  ERR_NOT_IMPLEMENTED: 'ERR_NOT_IMPLEMENTED',
+  ERR_WRONG_PING_ACK: 'ERR_WRONG_PING_ACK'
 }

src/index.js

@@ -48,6 +48,8 @@ const { updateSelfPeerRecord } = require('./record/utils')
  * @typedef {import('libp2p-interfaces/src/pubsub').PubsubOptions} PubsubOptions
  * @typedef {import('interface-datastore').Datastore} Datastore
  * @typedef {import('./pnet')} Protector
+ * @typedef {Object} PersistentPeerStoreOptions
+ * @property {number} [threshold]
  */
 
 /**
@@ -56,16 +58,9 @@ const { updateSelfPeerRecord } = require('./record/utils')
  * @property {MuxedStream} stream
  * @property {string} protocol
  *
- * @typedef {Object} RandomWalkOptions
- * @property {boolean} [enabled = false]
- * @property {number} [queriesPerPeriod = 1]
- * @property {number} [interval = 300e3]
- * @property {number} [timeout = 10e3]
- *
  * @typedef {Object} DhtOptions
  * @property {boolean} [enabled = false]
  * @property {number} [kBucketSize = 20]
- * @property {RandomWalkOptions} [randomWalk]
  * @property {boolean} [clientMode]
  * @property {import('libp2p-interfaces/src/types').DhtSelectors} [selectors]
  * @property {import('libp2p-interfaces/src/types').DhtValidators} [validators]
@@ -117,7 +112,7 @@ const { updateSelfPeerRecord } = require('./record/utils')
  * @property {KeychainOptions & import('./keychain/index').KeychainOptions} [keychain]
  * @property {MetricsOptions & import('./metrics').MetricsOptions} [metrics]
  * @property {import('./peer-routing').PeerRoutingOptions} [peerRouting]
- * @property {PeerStoreOptions & import('./peer-store/persistent').PersistentPeerStoreOptions} [peerStore]
+ * @property {PeerStoreOptions & PersistentPeerStoreOptions} [peerStore]
  * @property {import('./transport-manager').TransportManagerOptions} [transportManager]
  * @property {Libp2pConfig} [config]
  *
@@ -168,6 +163,15 @@ class Libp2p extends EventEmitter {
     this.peerId = this._options.peerId
     this.datastore = this._options.datastore
 
+    // Create Metrics
+    if (this._options.metrics.enabled) {
+      const metrics = new Metrics({
+        ...this._options.metrics
+      })
+
+      this.metrics = metrics
+    }
+
     this.peerStore = (this.datastore && this._options.peerStore.persistence)
       ? new PersistentPeerStore({
         peerId: this.peerId,
@@ -202,14 +206,6 @@ class Libp2p extends EventEmitter {
       autoDialInterval: this._options.connectionManager.autoDialInterval
     })
 
-    // Create Metrics
-    if (this._options.metrics.enabled) {
-      this.metrics = new Metrics({
-        ...this._options.metrics,
-        connectionManager: this.connectionManager
-      })
-    }
-
     // Create keychain
     if (this._options.keychain && this._options.keychain.datastore) {
       log('creating keychain')
@@ -269,6 +265,7 @@ class Libp2p extends EventEmitter {
     this.dialer = new Dialer({
       transportManager: this.transportManager,
       peerStore: this.peerStore,
+      metrics: this.metrics,
       ...this._options.dialer
     })
 

src/keychain/cms.js

@@ -10,6 +10,7 @@ const { certificateForKey, findAsync } = require('./util')
 const errcode = require('err-code')
 const { fromString: uint8ArrayFromString } = require('uint8arrays/from-string')
 const { toString: uint8ArrayToString } = require('uint8arrays/to-string')
+const { codes } = require('../errors')
 
 const privates = new WeakMap()
 
@@ -31,7 +32,7 @@ class CMS {
    */
   constructor (keychain, dek) {
     if (!keychain) {
-      throw errcode(new Error('keychain is required'), 'ERR_KEYCHAIN_REQUIRED')
+      throw errcode(new Error('keychain is required'), codes.ERR_KEYCHAIN_REQUIRED)
     }
 
     this.keychain = keychain
@@ -49,7 +50,7 @@ class CMS {
    */
   async encrypt (name, plain) {
     if (!(plain instanceof Uint8Array)) {
-      throw errcode(new Error('Plain data must be a Uint8Array'), 'ERR_INVALID_PARAMS')
+      throw errcode(new Error('Plain data must be a Uint8Array'), codes.ERR_INVALID_PARAMETERS)
     }
 
     const key = await this.keychain.findKeyByName(name)
@@ -81,7 +82,7 @@ class CMS {
    */
   async decrypt (cmsData) {
     if (!(cmsData instanceof Uint8Array)) {
-      throw errcode(new Error('CMS data is required'), 'ERR_INVALID_PARAMS')
+      throw errcode(new Error('CMS data is required'), codes.ERR_INVALID_PARAMETERS)
     }
 
     let cms
@@ -91,7 +92,7 @@ class CMS {
       // @ts-ignore not defined
       cms = forge.pkcs7.messageFromAsn1(obj)
     } catch (/** @type {any} */ err) {
-      throw errcode(new Error('Invalid CMS: ' + err.message), 'ERR_INVALID_CMS')
+      throw errcode(new Error('Invalid CMS: ' + err.message), codes.ERR_INVALID_CMS)
     }
 
     // Find a recipient whose key we hold. We only deal with recipient certs
@@ -123,7 +124,7 @@ class CMS {
     if (!r) {
       // @ts-ignore cms types not defined
       const missingKeys = recipients.map(r => r.keyId)
-      throw errcode(new Error('Decryption needs one of the key(s): ' + missingKeys.join(', ')), 'ERR_MISSING_KEYS', {
+      throw errcode(new Error('Decryption needs one of the key(s): ' + missingKeys.join(', ')), codes.ERR_MISSING_KEYS, {
         missingKeys
       })
     }
@@ -131,7 +132,7 @@ class CMS {
     const key = await this.keychain.findKeyById(r.keyId)
 
     if (!key) {
-      throw errcode(new Error('No key available to decrypto'), 'ERR_NO_KEY')
+      throw errcode(new Error('No key available to decrypto'), codes.ERR_NO_KEY)
     }
 
     const pem = await this.keychain._getPrivateKey(key.name)

src/keychain/index.js

@@ -10,6 +10,7 @@ const crypto = require('libp2p-crypto')
 const { Key } = require('interface-datastore/key')
 const CMS = require('./cms')
 const errcode = require('err-code')
+const { codes } = require('../errors')
 const { toString: uint8ArrayToString } = require('uint8arrays/to-string')
 const { fromString: uint8ArrayFromString } = require('uint8arrays/from-string')
 
@@ -210,21 +211,21 @@ class Keychain {
     const self = this
 
     if (!validateKeyName(name) || name === 'self') {
-      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), 'ERR_INVALID_KEY_NAME'))
+      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), codes.ERR_INVALID_KEY_NAME))
     }
 
     if (typeof type !== 'string') {
-      return throwDelayed(errcode(new Error(`Invalid key type '${type}'`), 'ERR_INVALID_KEY_TYPE'))
+      return throwDelayed(errcode(new Error(`Invalid key type '${type}'`), codes.ERR_INVALID_KEY_TYPE))
     }
 
     const dsname = DsName(name)
     const exists = await self.store.has(dsname)
-    if (exists) return throwDelayed(errcode(new Error(`Key '${name}' already exists`), 'ERR_KEY_ALREADY_EXISTS'))
+    if (exists) return throwDelayed(errcode(new Error(`Key '${name}' already exists`), codes.ERR_KEY_ALREADY_EXISTS))
 
     switch (type.toLowerCase()) {
       case 'rsa':
         if (!Number.isSafeInteger(size) || size < 2048) {
-          return throwDelayed(errcode(new Error(`Invalid RSA key size ${size}`), 'ERR_INVALID_KEY_SIZE'))
+          return throwDelayed(errcode(new Error(`Invalid RSA key size ${size}`), codes.ERR_INVALID_KEY_SIZE))
         }
         break
       default:
@@ -297,7 +298,7 @@ class Keychain {
    */
   async findKeyByName (name) {
     if (!validateKeyName(name)) {
-      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), 'ERR_INVALID_KEY_NAME'))
+      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), codes.ERR_INVALID_KEY_NAME))
     }
 
     const dsname = DsInfoName(name)
@@ -305,7 +306,7 @@ class Keychain {
       const res = await this.store.get(dsname)
       return JSON.parse(uint8ArrayToString(res))
     } catch (/** @type {any} */ err) {
-      return throwDelayed(errcode(new Error(`Key '${name}' does not exist. ${err.message}`), 'ERR_KEY_NOT_FOUND'))
+      return throwDelayed(errcode(new Error(`Key '${name}' does not exist. ${err.message}`), codes.ERR_KEY_NOT_FOUND))
     }
   }
 
@@ -318,7 +319,7 @@ class Keychain {
   async removeKey (name) {
     const self = this
     if (!validateKeyName(name) || name === 'self') {
-      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), 'ERR_INVALID_KEY_NAME'))
+      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), codes.ERR_INVALID_KEY_NAME))
     }
     const dsname = DsName(name)
     const keyInfo = await self.findKeyByName(name)
@@ -339,10 +340,10 @@ class Keychain {
   async renameKey (oldName, newName) {
     const self = this
     if (!validateKeyName(oldName) || oldName === 'self') {
-      return throwDelayed(errcode(new Error(`Invalid old key name '${oldName}'`), 'ERR_OLD_KEY_NAME_INVALID'))
+      return throwDelayed(errcode(new Error(`Invalid old key name '${oldName}'`), codes.ERR_OLD_KEY_NAME_INVALID))
     }
     if (!validateKeyName(newName) || newName === 'self') {
-      return throwDelayed(errcode(new Error(`Invalid new key name '${newName}'`), 'ERR_NEW_KEY_NAME_INVALID'))
+      return throwDelayed(errcode(new Error(`Invalid new key name '${newName}'`), codes.ERR_NEW_KEY_NAME_INVALID))
     }
     const oldDsname = DsName(oldName)
     const newDsname = DsName(newName)
@@ -350,7 +351,7 @@ class Keychain {
     const newInfoName = DsInfoName(newName)
 
     const exists = await self.store.has(newDsname)
-    if (exists) return throwDelayed(errcode(new Error(`Key '${newName}' already exists`), 'ERR_KEY_ALREADY_EXISTS'))
+    if (exists) return throwDelayed(errcode(new Error(`Key '${newName}' already exists`), codes.ERR_KEY_ALREADY_EXISTS))
 
     try {
       const pem = await self.store.get(oldDsname)
@@ -379,10 +380,10 @@ class Keychain {
    */
   async exportKey (name, password) {
     if (!validateKeyName(name)) {
-      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), 'ERR_INVALID_KEY_NAME'))
+      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), codes.ERR_INVALID_KEY_NAME))
     }
     if (!password) {
-      return throwDelayed(errcode(new Error('Password is required'), 'ERR_PASSWORD_REQUIRED'))
+      return throwDelayed(errcode(new Error('Password is required'), codes.ERR_PASSWORD_REQUIRED))
     }
 
     const dsname = DsName(name)
@@ -409,20 +410,20 @@ class Keychain {
   async importKey (name, pem, password) {
     const self = this
     if (!validateKeyName(name) || name === 'self') {
-      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), 'ERR_INVALID_KEY_NAME'))
+      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), codes.ERR_INVALID_KEY_NAME))
     }
     if (!pem) {
-      return throwDelayed(errcode(new Error('PEM encoded key is required'), 'ERR_PEM_REQUIRED'))
+      return throwDelayed(errcode(new Error('PEM encoded key is required'), codes.ERR_PEM_REQUIRED))
     }
     const dsname = DsName(name)
     const exists = await self.store.has(dsname)
-    if (exists) return throwDelayed(errcode(new Error(`Key '${name}' already exists`), 'ERR_KEY_ALREADY_EXISTS'))
+    if (exists) return throwDelayed(errcode(new Error(`Key '${name}' already exists`), codes.ERR_KEY_ALREADY_EXISTS))
 
     let privateKey
     try {
       privateKey = await crypto.keys.import(pem, password)
     } catch (/** @type {any} */ err) {
-      return throwDelayed(errcode(new Error('Cannot read the key, most likely the password is wrong'), 'ERR_CANNOT_READ_KEY'))
+      return throwDelayed(errcode(new Error('Cannot read the key, most likely the password is wrong'), codes.ERR_CANNOT_READ_KEY))
     }
 
     let kid
@@ -457,16 +458,16 @@ class Keychain {
   async importPeer (name, peer) {
     const self = this
     if (!validateKeyName(name)) {
-      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), 'ERR_INVALID_KEY_NAME'))
+      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), codes.ERR_INVALID_KEY_NAME))
     }
     if (!peer || !peer.privKey) {
-      return throwDelayed(errcode(new Error('Peer.privKey is required'), 'ERR_MISSING_PRIVATE_KEY'))
+      return throwDelayed(errcode(new Error('Peer.privKey is required'), codes.ERR_MISSING_PRIVATE_KEY))
     }
 
     const privateKey = peer.privKey
     const dsname = DsName(name)
     const exists = await self.store.has(dsname)
-    if (exists) return throwDelayed(errcode(new Error(`Key '${name}' already exists`), 'ERR_KEY_ALREADY_EXISTS'))
+    if (exists) return throwDelayed(errcode(new Error(`Key '${name}' already exists`), codes.ERR_KEY_ALREADY_EXISTS))
 
     try {
       const kid = await privateKey.id()
@@ -495,7 +496,7 @@ class Keychain {
    */
   async _getPrivateKey (name) {
     if (!validateKeyName(name)) {
-      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), 'ERR_INVALID_KEY_NAME'))
+      return throwDelayed(errcode(new Error(`Invalid key name '${name}'`), codes.ERR_INVALID_KEY_NAME))
     }
 
     try {
@@ -503,7 +504,7 @@ class Keychain {
       const res = await this.store.get(dsname)
       return uint8ArrayToString(res)
     } catch (/** @type {any} */ err) {
-      return throwDelayed(errcode(new Error(`Key '${name}' does not exist. ${err.message}`), 'ERR_KEY_NOT_FOUND'))
+      return throwDelayed(errcode(new Error(`Key '${name}' does not exist. ${err.message}`), codes.ERR_KEY_NOT_FOUND))
     }
   }
 
@@ -515,13 +516,13 @@ class Keychain {
    */
   async rotateKeychainPass (oldPass, newPass) {
     if (typeof oldPass !== 'string') {
-      return throwDelayed(errcode(new Error(`Invalid old pass type '${typeof oldPass}'`), 'ERR_INVALID_OLD_PASS_TYPE'))
+      return throwDelayed(errcode(new Error(`Invalid old pass type '${typeof oldPass}'`), codes.ERR_INVALID_OLD_PASS_TYPE))
     }
     if (typeof newPass !== 'string') {
-      return throwDelayed(errcode(new Error(`Invalid new pass type '${typeof newPass}'`), 'ERR_INVALID_NEW_PASS_TYPE'))
+      return throwDelayed(errcode(new Error(`Invalid new pass type '${typeof newPass}'`), codes.ERR_INVALID_NEW_PASS_TYPE))
     }
     if (newPass.length < 20) {
-      return throwDelayed(errcode(new Error(`Invalid pass length ${newPass.length}`), 'ERR_INVALID_PASS_LENGTH'))
+      return throwDelayed(errcode(new Error(`Invalid pass length ${newPass.length}`), codes.ERR_INVALID_PASS_LENGTH))
     }
     log('recreating keychain')
     const oldDek = privates.get(this).dek

src/metrics/index.js

@@ -24,9 +24,6 @@ const directionToEvent = {
  */
 
 /**
- * @typedef MetricsProperties
- * @property {import('../connection-manager')} connectionManager
- *
  * @typedef MetricsOptions
  * @property {number} [computeThrottleMaxQueueSize = defaultOptions.computeThrottleMaxQueueSize]
  * @property {number} [computeThrottleTimeout = defaultOptions.computeThrottleTimeout]
@@ -37,7 +34,7 @@ const directionToEvent = {
 class Metrics {
   /**
    * @class
-   * @param {MetricsProperties & MetricsOptions} options
+   * @param {MetricsOptions} options
    */
   constructor (options) {
     this._options = mergeOptions(defaultOptions, options)
@@ -47,10 +44,7 @@ class Metrics {
     this._oldPeers = oldPeerLRU(this._options.maxOldPeersRetention)
     this._running = false
     this._onMessage = this._onMessage.bind(this)
-    this._connectionManager = options.connectionManager
+    this._componentMetrics = new Map()
-    this._connectionManager.on('peer:disconnect', (connection) => {
-      this.onPeerDisconnected(connection.remotePeer)
-    })
   }
 
   /**
@@ -94,6 +88,22 @@ class Metrics {
     return Array.from(this._peerStats.keys())
   }
 
+  /**
+   * @returns {Map}
+   */
+  getComponentMetrics () {
+    return this._componentMetrics
+  }
+
+  updateComponentMetric (component, metric, value) {
+    if (!this._componentMetrics.has(component)) {
+      this._componentMetrics.set(component, new Map())
+    }
+
+    const map = this._componentMetrics.get(component)
+    map.set(metric, value)
+  }
+
   /**
    * Returns the `Stats` object for the given `PeerId` whether it
    * is a live peer, or in the disconnected peer LRU cache.

src/metrics/stats.js

@@ -8,6 +8,7 @@ const retimer = require('retimer')
 
 /**
  * @typedef {import('@vascosantos/moving-average').IMovingAverage} IMovingAverage
+ * @typedef {import('bignumber.js').BigNumber} Big
  */
 
 class Stats extends EventEmitter {

src/metrics/tracked-map.js

@@ -0,0 +1,62 @@
+'use strict'
+
+/**
+ * @template K
+ * @template V
+ */
+class TrackedMap extends Map {
+  /**
+   * @param {string} component
+   * @param {string} name
+   * @param {import('.')} metrics
+   */
+  constructor (component, name, metrics) {
+    super()
+
+    this._component = component
+    this._name = name
+    this._metrics = metrics
+
+    this._metrics.updateComponentMetric(this._component, this._name, this.size)
+  }
+
+  /**
+   * @param {K} key
+   * @param {V} value
+   */
+  set (key, value) {
+    super.set(key, value)
+    this._metrics.updateComponentMetric(this._component, this._name, this.size)
+    return this
+  }
+
+  /**
+   * @param {K} key
+   */
+  delete (key) {
+    const deleted = super.delete(key)
+    this._metrics.updateComponentMetric(this._component, this._name, this.size)
+    return deleted
+  }
+}
+
+/**
+ * @template K
+ * @template V
+ * @param {string} component
+ * @param {string} name
+ * @param {import('.')} [metrics]
+ * @returns {Map<K, V>}
+ */
+module.exports = (component, name, metrics) => {
+  /** @type {Map<K, V>} */
+  let map
+
+  if (metrics) {
+    map = new TrackedMap(component, name, metrics)
+  } else {
+    map = new Map()
+  }
+
+  return map
+}

src/nat-manager.js

@@ -1,7 +1,7 @@
 'use strict'
 
 // @ts-ignore nat-api does not export types
-const NatAPI = require('@motrix/nat-api')
+const NatAPI = require('nat-api')
 const debug = require('debug')
 const { promisify } = require('es6-promisify')
 const { Multiaddr } = require('multiaddr')

src/peer-routing.js

@@ -5,6 +5,7 @@ const log = Object.assign(debug('libp2p:peer-routing'), {
   error: debug('libp2p:peer-routing:err')
 })
 const errCode = require('err-code')
+const errors = require('./errors')
 const {
   storeAddresses,
   uniquePeers,
@@ -23,6 +24,8 @@ const {
 // @ts-ignore module with no types
 } = require('set-delayed-interval')
 const { DHTPeerRouting } = require('./dht/dht-peer-routing')
+// @ts-expect-error setMaxListeners is missing from the types
+const { setMaxListeners } = require('events')
 
 /**
  * @typedef {import('peer-id')} PeerId
@@ -104,19 +107,24 @@ class PeerRouting {
    */
   async findPeer (id, options) { // eslint-disable-line require-await
     if (!this._routers.length) {
-      throw errCode(new Error('No peer routers available'), 'NO_ROUTERS_AVAILABLE')
+      throw errCode(new Error('No peer routers available'), errors.codes.ERR_NO_ROUTERS_AVAILABLE)
     }
 
     if (id.toB58String() === this._peerId.toB58String()) {
-      throw errCode(new Error('Should not try to find self'), 'ERR_FIND_SELF')
+      throw errCode(new Error('Should not try to find self'), errors.codes.ERR_FIND_SELF)
     }
 
     const output = await pipe(
       merge(
-        ...this._routers.map(router => [router.findPeer(id, options)])
+        ...this._routers.map(router => (async function * () {
+          try {
+            yield await router.findPeer(id, options)
+          } catch (err) {
+            log.error(err)
+          }
+        })())
       ),
       (source) => filter(source, Boolean),
-      // @ts-ignore findPeer resolves a Promise
       (source) => storeAddresses(source, this._peerStore),
       (source) => first(source)
     )
@@ -125,7 +133,7 @@ class PeerRouting {
       return output
     }
 
-    throw errCode(new Error('not found'), 'NOT_FOUND')
+    throw errCode(new Error(errors.messages.NOT_FOUND), errors.codes.ERR_NOT_FOUND)
   }
 
   /**
@@ -139,11 +147,16 @@ class PeerRouting {
    */
   async * getClosestPeers (key, options = { timeout: 30e3 }) {
     if (!this._routers.length) {
-      throw errCode(new Error('No peer routers available'), 'NO_ROUTERS_AVAILABLE')
+      throw errCode(new Error('No peer routers available'), errors.codes.ERR_NO_ROUTERS_AVAILABLE)
     }
 
     if (options.timeout) {
-      options.signal = new TimeoutController(options.timeout).signal
+      const controller = new TimeoutController(options.timeout)
+      // this controller will potentially be used while dialing lots of
+      // peers so prevent MaxListenersExceededWarning appearing in the console
+      setMaxListeners && setMaxListeners(Infinity, controller.signal)
+
+      options.signal = controller.signal
     }
 
     yield * pipe(

src/peer-store/book.js

@@ -2,10 +2,7 @@
 
 const errcode = require('err-code')
 const PeerId = require('peer-id')
-
+const { codes } = require('../errors')
-const {
-  codes: { ERR_INVALID_PARAMETERS }
-} = require('../errors')
 
 /**
  * @param {any} data
@@ -48,7 +45,7 @@ class Book {
    * @param {any[]|any} data
    */
   set (peerId, data) {
-    throw errcode(new Error('set must be implemented by the subclass'), 'ERR_NOT_IMPLEMENTED')
+    throw errcode(new Error('set must be implemented by the subclass'), codes.ERR_NOT_IMPLEMENTED)
   }
 
   /**
@@ -94,7 +91,7 @@ class Book {
    */
   get (peerId) {
     if (!PeerId.isPeerId(peerId)) {
-      throw errcode(new Error('peerId must be an instance of peer-id'), ERR_INVALID_PARAMETERS)
+      throw errcode(new Error('peerId must be an instance of peer-id'), codes.ERR_INVALID_PARAMETERS)
     }
 
     const rec = this.data.get(peerId.toB58String())
@@ -111,7 +108,7 @@ class Book {
    */
   delete (peerId) {
     if (!PeerId.isPeerId(peerId)) {
-      throw errcode(new Error('peerId must be an instance of peer-id'), ERR_INVALID_PARAMETERS)
+      throw errcode(new Error('peerId must be an instance of peer-id'), codes.ERR_INVALID_PARAMETERS)
     }
 
     if (!this.data.delete(peerId.toB58String())) {

src/ping/index.js

@@ -5,7 +5,7 @@ const log = Object.assign(debug('libp2p:ping'), {
   error: debug('libp2p:ping:err')
 })
 const errCode = require('err-code')
-
+const { codes } = require('../errors')
 const crypto = require('libp2p-crypto')
 const { pipe } = require('it-pipe')
 // @ts-ignore it-buffer has no types exported
@@ -50,7 +50,7 @@ async function ping (node, peer) {
   const end = Date.now()
 
   if (!equals(data, result)) {
-    throw errCode(new Error('Received wrong ping ack'), 'ERR_WRONG_PING_ACK')
+    throw errCode(new Error('Received wrong ping ack'), codes.ERR_WRONG_PING_ACK)
   }
 
   return end - start

src/upgrader.js

@@ -297,7 +297,7 @@ class Upgrader {
     maConn.timeline.upgraded = Date.now()
 
     const errConnectionNotMultiplexed = () => {
-      throw errCode(new Error('connection is not multiplexed'), 'ERR_CONNECTION_NOT_MULTIPLEXED')
+      throw errCode(new Error('connection is not multiplexed'), codes.ERR_CONNECTION_NOT_MULTIPLEXED)
     }
 
     // Create the connection

test/content-routing/content-routing.node.js

@@ -36,14 +36,14 @@ describe('content-routing', () => {
         throw new Error('.findProviders should return an error')
       } catch (/** @type {any} */ err) {
         expect(err).to.exist()
-        expect(err.code).to.equal('NO_ROUTERS_AVAILABLE')
+        expect(err.code).to.equal('ERR_NO_ROUTERS_AVAILABLE')
       }
     })
 
     it('.provide should return an error', async () => {
       await expect(node.contentRouting.provide('a cid'))
         .to.eventually.be.rejected()
-        .and.to.have.property('code', 'NO_ROUTERS_AVAILABLE')
+        .and.to.have.property('code', 'ERR_NO_ROUTERS_AVAILABLE')
     })
   })
 
@@ -87,8 +87,11 @@ describe('content-routing', () => {
       sinon.stub(nodes[0]._dht, 'findProviders').callsFake(function * () {
         deferred.resolve()
         yield {
-          id: providerPeerId,
+          name: 'PROVIDER',
-          multiaddrs: []
+          providers: [{
+            id: providerPeerId,
+            multiaddrs: []
+          }]
         }
       })
 
@@ -361,7 +364,12 @@ describe('content-routing', () => {
       }
 
       sinon.stub(node._dht, 'findProviders').callsFake(async function * () {
-        yield result1
+        yield {
+          name: 'PROVIDER',
+          providers: [
+            result1
+          ]
+        }
       })
       sinon.stub(delegate, 'findProviders').callsFake(async function * () {
         yield result2
@@ -382,7 +390,8 @@ describe('content-routing', () => {
       const dhtDeferred = pDefer()
       const delegatedDeferred = pDefer()
 
-      sinon.stub(node._dht, 'provide').callsFake(() => {
+      sinon.stub(node._dht, 'provide').callsFake(async function * () {
+        yield
         dhtDeferred.resolve()
       })
 
@@ -406,7 +415,12 @@ describe('content-routing', () => {
       }]
 
       sinon.stub(node._dht, 'findProviders').callsFake(function * () {
-        yield results[0]
+        yield {
+          name: 'PROVIDER',
+          providers: [
+            results[0]
+          ]
+        }
       })
 
       sinon.stub(delegate, 'findProviders').callsFake(function * () { // eslint-disable-line require-yield

test/content-routing/dht/configuration.node.js

@@ -38,13 +38,13 @@ describe('DHT subsystem is configurable', () => {
     })
 
     libp2p = await create(customOptions)
-    expect(libp2p._dht.isStarted).to.equal(false)
+    expect(libp2p._dht.isStarted()).to.equal(false)
 
     await libp2p.start()
-    expect(libp2p._dht.isStarted).to.equal(true)
+    expect(libp2p._dht.isStarted()).to.equal(true)
 
     await libp2p.stop()
-    expect(libp2p._dht.isStarted).to.equal(false)
+    expect(libp2p._dht.isStarted()).to.equal(false)
   })
 
   it('should not start if disabled once libp2p starts', async () => {
@@ -63,10 +63,10 @@ describe('DHT subsystem is configurable', () => {
     })
 
     libp2p = await create(customOptions)
-    expect(libp2p._dht.isStarted).to.equal(false)
+    expect(libp2p._dht.isStarted()).to.equal(false)
 
     await libp2p.start()
-    expect(libp2p._dht.isStarted).to.equal(false)
+    expect(libp2p._dht.isStarted()).to.equal(false)
   })
 
   it('should allow a manual start', async () => {
@@ -86,9 +86,9 @@ describe('DHT subsystem is configurable', () => {
 
     libp2p = await create(customOptions)
     await libp2p.start()
-    expect(libp2p._dht.isStarted).to.equal(false)
+    expect(libp2p._dht.isStarted()).to.equal(false)
 
     await libp2p._dht.start()
-    expect(libp2p._dht.isStarted).to.equal(true)
+    expect(libp2p._dht.isStarted()).to.equal(true)
   })
 })

test/content-routing/dht/operation.node.js

@@ -60,8 +60,8 @@ describe('DHT subsystem operates correctly', () => {
       expect(connection).to.exist()
 
       return Promise.all([
-        pWaitFor(() => libp2p._dht.routingTable.size === 1),
+        pWaitFor(() => libp2p._dht._lan._routingTable.size === 1),
-        pWaitFor(() => remoteLibp2p._dht.routingTable.size === 1)
+        pWaitFor(() => remoteLibp2p._dht._lan._routingTable.size === 1)
       ])
     })
 
@@ -71,14 +71,14 @@ describe('DHT subsystem operates correctly', () => {
 
       await libp2p.dialProtocol(remAddr, subsystemMulticodecs)
       await Promise.all([
-        pWaitFor(() => libp2p._dht.routingTable.size === 1),
+        pWaitFor(() => libp2p._dht._lan._routingTable.size === 1),
-        pWaitFor(() => remoteLibp2p._dht.routingTable.size === 1)
+        pWaitFor(() => remoteLibp2p._dht._lan._routingTable.size === 1)
       ])
 
       await libp2p.contentRouting.put(key, value)
-      const fetchedValue = await remoteLibp2p.contentRouting.get(key)
 
-      expect(fetchedValue).to.eql(value)
+      const fetchedValue = await remoteLibp2p.contentRouting.get(key)
+      expect(fetchedValue).to.have.property('val').that.equalBytes(value)
     })
   })
 
@@ -119,11 +119,13 @@ describe('DHT subsystem operates correctly', () => {
       const connection = await libp2p.dial(remAddr)
 
       expect(connection).to.exist()
-      expect(libp2p._dht.routingTable.size).to.be.eql(0)
+      expect(libp2p._dht._lan._routingTable.size).to.be.eql(0)
-      expect(remoteLibp2p._dht.routingTable.size).to.be.eql(0)
 
       await remoteLibp2p._dht.start()
-      return pWaitFor(() => libp2p._dht.routingTable.size === 1)
+      // should be 0 directly after start - TODO this may be susceptible to timing bugs, we should have
+      // the ability to report stats on the DHT routing table instead of reaching into it's heart like this
+      expect(remoteLibp2p._dht._lan._routingTable.size).to.be.eql(0)
+      return pWaitFor(() => libp2p._dht._lan._routingTable.size === 1)
     })
 
     it('should put on a peer and get from the other', async () => {
@@ -133,12 +135,12 @@ describe('DHT subsystem operates correctly', () => {
       const value = uint8ArrayFromString('world')
 
       await remoteLibp2p._dht.start()
-      await pWaitFor(() => libp2p._dht.routingTable.size === 1)
+      await pWaitFor(() => libp2p._dht._lan._routingTable.size === 1)
 
       await libp2p.contentRouting.put(key, value)
 
       const fetchedValue = await remoteLibp2p.contentRouting.get(key)
-      expect(fetchedValue).to.eql(value)
+      expect(fetchedValue).to.have.property('val').that.equalBytes(value)
     })
   })
 })

test/content-routing/dht/utils.js

@@ -1,7 +1,6 @@
 'use strict'
 
 const KadDht = require('libp2p-kad-dht')
-const { multicodec } = require('libp2p-kad-dht')
 const Crypto = require('../../../src/insecure/plaintext')
 const Muxer = require('libp2p-mplex')
 const Transport = require('libp2p-tcp')
@@ -25,13 +24,12 @@ const subsystemOptions = mergeOptions(baseOptions, {
   config: {
     dht: {
       kBucketSize: 20,
-      randomWalk: {
-        enabled: true
-      },
       enabled: true
     }
   }
 })
 
 module.exports.subsystemOptions = subsystemOptions
-module.exports.subsystemMulticodecs = [multicodec]
+module.exports.subsystemMulticodecs = [
+  '/ipfs/lan/kad/1.0.0'
+]

test/content-routing/utils.js

@@ -13,9 +13,6 @@ const routingOptions = mergeOptions(baseOptions, {
   config: {
     dht: {
       kBucketSize: 20,
-      randomWalk: {
-        enabled: true
-      },
       enabled: true
     }
   }

test/keychain/keychain.spec.js

@@ -296,7 +296,7 @@ describe('keychain', () => {
     it('requires plain data as a Uint8Array', async () => {
       const err = await ks.cms.encrypt(rsaKeyName, 'plain data').then(fail, err => err)
       expect(err).to.exist()
-      expect(err).to.have.property('code', 'ERR_INVALID_PARAMS')
+      expect(err).to.have.property('code', 'ERR_INVALID_PARAMETERS')
     })
 
     it('encrypts', async () => {
@@ -308,7 +308,7 @@ describe('keychain', () => {
     it('is a PKCS #7 message', async () => {
       const err = await ks.cms.decrypt('not CMS').then(fail, err => err)
       expect(err).to.exist()
-      expect(err).to.have.property('code', 'ERR_INVALID_PARAMS')
+      expect(err).to.have.property('code', 'ERR_INVALID_PARAMETERS')
     })
 
     it('is a PKCS #7 binary message', async () => {

test/metrics/index.spec.js

@@ -3,9 +3,6 @@
 
 const { expect } = require('aegir/utils/chai')
 const sinon = require('sinon')
-
-const { EventEmitter } = require('events')
-
 const { randomBytes } = require('libp2p-crypto')
 const duplexPair = require('it-pair/duplex')
 const pipe = require('it-pipe')
@@ -34,8 +31,7 @@ describe('Metrics', () => {
     const [local, remote] = duplexPair()
     const metrics = new Metrics({
       computeThrottleMaxQueueSize: 1, // compute after every message
-      movingAverageIntervals: [10, 100, 1000],
+      movingAverageIntervals: [10, 100, 1000]
-      connectionManager: new EventEmitter()
     })
 
     metrics.trackStream({
@@ -70,8 +66,7 @@ describe('Metrics', () => {
     const [local, remote] = duplexPair()
     const metrics = new Metrics({
       computeThrottleMaxQueueSize: 1, // compute after every message
-      movingAverageIntervals: [10, 100, 1000],
+      movingAverageIntervals: [10, 100, 1000]
-      connectionManager: new EventEmitter()
     })
 
     metrics.trackStream({
@@ -119,8 +114,7 @@ describe('Metrics', () => {
     const [local2, remote2] = duplexPair()
     const metrics = new Metrics({
       computeThrottleMaxQueueSize: 1, // compute after every message
-      movingAverageIntervals: [10, 100, 1000],
+      movingAverageIntervals: [10, 100, 1000]
-      connectionManager: new EventEmitter()
     })
     const protocol = '/echo/1.0.0'
     metrics.start()
@@ -175,8 +169,7 @@ describe('Metrics', () => {
     const [local, remote] = duplexPair()
     const metrics = new Metrics({
       computeThrottleMaxQueueSize: 1, // compute after every message
-      movingAverageIntervals: [10, 100, 1000],
+      movingAverageIntervals: [10, 100, 1000]
-      connectionManager: new EventEmitter()
     })
     metrics.start()
 
@@ -231,8 +224,7 @@ describe('Metrics', () => {
     }))
 
     const metrics = new Metrics({
-      maxOldPeersRetention: 5, // Only keep track of 5
+      maxOldPeersRetention: 5 // Only keep track of 5
-      connectionManager: new EventEmitter()
     })
 
     // Clone so trackedPeers isn't modified
@@ -262,4 +254,22 @@ describe('Metrics', () => {
       expect(spy).to.have.property('callCount', 1)
     }
   })
+
+  it('should allow components to track metrics', () => {
+    const metrics = new Metrics({
+      maxOldPeersRetention: 5 // Only keep track of 5
+    })
+
+    expect(metrics.getComponentMetrics()).to.be.empty()
+
+    const component = 'my-component'
+    const metric = 'some-metric'
+    const value = 1
+
+    metrics.updateComponentMetric(component, metric, value)
+
+    expect(metrics.getComponentMetrics()).to.have.lengthOf(1)
+    expect(metrics.getComponentMetrics().get(component)).to.have.lengthOf(1)
+    expect(metrics.getComponentMetrics().get(component).get(metric)).to.equal(value)
+  })
 })

test/nat-manager/nat-manager.node.js

@@ -244,6 +244,10 @@ describe('Nat Manager (TCP)', () => {
   })
 
   it('shuts the nat api down when stopping', async function () {
+    if (process.env.CI) {
+      return this.skip('CI environments will not let us map external ports')
+    }
+
     function findRoutableAddress () {
       const interfaces = networkInterfaces()
 
@@ -261,7 +265,7 @@ describe('Nat Manager (TCP)', () => {
 
     if (!addr) {
       // skip test if no non-loopback address is found
-      this.skip()
+      return this.skip()
     }
 
     const {

test/peer-discovery/index.node.js

@@ -161,20 +161,13 @@ describe('peer discovery scenarios', () => {
           autoDial: false
         },
         dht: {
-          randomWalk: {
-            enabled: false,
-            delay: 1000, // start the first query quickly
-            interval: 10000,
-            timeout: 5000
-          },
           enabled: true
         }
       }
     })
 
     const localConfig = getConfig(peerId)
-    // Only run random walk on our local node
+
-    localConfig.config.dht.randomWalk.enabled = true
     libp2p = new Libp2p(localConfig)
 
     const remoteLibp2p1 = new Libp2p(getConfig(remotePeerId1))

test/peer-routing/peer-routing.node.js

@@ -36,7 +36,7 @@ describe('peer-routing', () => {
     it('.findPeer should return an error', async () => {
       await expect(node.peerRouting.findPeer('a cid'))
         .to.eventually.be.rejected()
-        .and.to.have.property('code', 'NO_ROUTERS_AVAILABLE')
+        .and.to.have.property('code', 'ERR_NO_ROUTERS_AVAILABLE')
     })
 
     it('.getClosestPeers should return an error', async () => {
@@ -45,7 +45,7 @@ describe('peer-routing', () => {
         throw new Error('.getClosestPeers should return an error')
       } catch (/** @type {any} */ err) {
         expect(err).to.exist()
-        expect(err.code).to.equal('NO_ROUTERS_AVAILABLE')
+        expect(err.code).to.equal('ERR_NO_ROUTERS_AVAILABLE')
       }
     })
   })
@@ -72,33 +72,38 @@ describe('peer-routing', () => {
 
     after(() => Promise.all(nodes.map((n) => n.stop())))
 
-    it('should use the nodes dht', () => {
+    it('should use the nodes dht', async () => {
-      const deferred = pDefer()
+      sinon.stub(nodes[0]._dht, 'findPeer').callsFake(async function * () {
-
-      sinon.stub(nodes[0]._dht, 'findPeer').callsFake(() => {
-        deferred.resolve()
-        return nodes[1].peerId
-      })
-
-      nodes[0].peerRouting.findPeer()
-      return deferred.promise
-    })
-
-    it('should use the nodes dht to get the closest peers', async () => {
-      const deferred = pDefer()
-      const [remotePeerId] = await peerUtils.createPeerId({ fixture: false })
-
-      sinon.stub(nodes[0]._dht, 'getClosestPeers').callsFake(function * () {
-        deferred.resolve()
         yield {
-          id: remotePeerId,
+          name: 'PEER_RESPONSE',
-          multiaddrs: []
+          closer: [{
+            id: nodes[1].peerId,
+            multiaddrs: []
+          }]
         }
       })
 
-      await nodes[0].peerRouting.getClosestPeers().next()
+      expect(nodes[0]._dht.findPeer.called).to.be.false()
+      await nodes[0].peerRouting.findPeer(nodes[1].peerId)
+      expect(nodes[0]._dht.findPeer.called).to.be.true()
+      nodes[0]._dht.findPeer.restore()
+    })
 
-      return deferred.promise
+    it('should use the nodes dht to get the closest peers', async () => {
+      sinon.stub(nodes[0]._dht, 'getClosestPeers').callsFake(async function * () {
+        yield {
+          name: 'PEER_RESPONSE',
+          closer: [{
+            id: nodes[1].peerId,
+            multiaddrs: []
+          }]
+        }
+      })
+
+      expect(nodes[0]._dht.getClosestPeers.called).to.be.false()
+      await drain(nodes[0].peerRouting.getClosestPeers(nodes[1].peerId))
+      expect(nodes[0]._dht.getClosestPeers.called).to.be.true()
+      nodes[0]._dht.getClosestPeers.restore()
     })
 
     it('should error when peer tries to find itself', async () => {
@@ -106,6 +111,95 @@ describe('peer-routing', () => {
         .to.eventually.be.rejected()
         .and.to.have.property('code', 'ERR_FIND_SELF')
     })
+
+    it('should handle error thrown synchronously during find peer', async () => {
+      const unknownPeers = await peerUtils.createPeerId({ number: 1, fixture: false })
+
+      nodes[0].peerRouting._routers = [{
+        findPeer () {
+          throw new Error('Thrown sync')
+        }
+      }]
+
+      await expect(nodes[0].peerRouting.findPeer(unknownPeers[0]))
+        .to.eventually.be.rejected()
+        .and.to.have.property('code', 'ERR_NOT_FOUND')
+    })
+
+    it('should handle error thrown asynchronously during find peer', async () => {
+      const unknownPeers = await peerUtils.createPeerId({ number: 1, fixture: false })
+
+      nodes[0].peerRouting._routers = [{
+        async findPeer () {
+          throw new Error('Thrown async')
+        }
+      }]
+
+      await expect(nodes[0].peerRouting.findPeer(unknownPeers[0]))
+        .to.eventually.be.rejected()
+        .and.to.have.property('code', 'ERR_NOT_FOUND')
+    })
+
+    it('should handle error thrown asynchronously after delay during find peer', async () => {
+      const unknownPeers = await peerUtils.createPeerId({ number: 1, fixture: false })
+
+      nodes[0].peerRouting._routers = [{
+        async findPeer () {
+          await delay(100)
+          throw new Error('Thrown async after delay')
+        }
+      }]
+
+      await expect(nodes[0].peerRouting.findPeer(unknownPeers[0]))
+        .to.eventually.be.rejected()
+        .and.to.have.property('code', 'ERR_NOT_FOUND')
+    })
+
+    it('should return value when one router errors synchronously and another returns a value', async () => {
+      const [peer] = await peerUtils.createPeerId({ number: 1, fixture: false })
+
+      nodes[0].peerRouting._routers = [{
+        findPeer () {
+          throw new Error('Thrown sync')
+        }
+      }, {
+        async findPeer () {
+          return Promise.resolve({
+            id: peer,
+            multiaddrs: []
+          })
+        }
+      }]
+
+      await expect(nodes[0].peerRouting.findPeer(peer))
+        .to.eventually.deep.equal({
+          id: peer,
+          multiaddrs: []
+        })
+    })
+
+    it('should return value when one router errors asynchronously and another returns a value', async () => {
+      const [peer] = await peerUtils.createPeerId({ number: 1, fixture: false })
+
+      nodes[0].peerRouting._routers = [{
+        async findPeer () {
+          throw new Error('Thrown sync')
+        }
+      }, {
+        async findPeer () {
+          return Promise.resolve({
+            id: peer,
+            multiaddrs: []
+          })
+        }
+      }]
+
+      await expect(nodes[0].peerRouting.findPeer(peer))
+        .to.eventually.deep.equal({
+          id: peer,
+          multiaddrs: []
+        })
+    })
   })
 
   describe('via delegate router', () => {
@@ -145,36 +239,35 @@ describe('peer-routing', () => {
     })
 
     it('should use the delegate router to find peers', async () => {
-      const deferred = pDefer()
       const [remotePeerId] = await peerUtils.createPeerId({ fixture: false })
 
       sinon.stub(delegate, 'findPeer').callsFake(() => {
-        deferred.resolve()
         return {
           id: remotePeerId,
           multiaddrs: []
         }
       })
 
-      await node.peerRouting.findPeer()
+      expect(delegate.findPeer.called).to.be.false()
-      return deferred.promise
+      await node.peerRouting.findPeer(remotePeerId)
+      expect(delegate.findPeer.called).to.be.true()
+      delegate.findPeer.restore()
     })
 
     it('should use the delegate router to get the closest peers', async () => {
-      const deferred = pDefer()
       const [remotePeerId] = await peerUtils.createPeerId({ fixture: false })
 
       sinon.stub(delegate, 'getClosestPeers').callsFake(function * () {
-        deferred.resolve()
         yield {
           id: remotePeerId,
           multiaddrs: []
         }
       })
 
-      await node.peerRouting.getClosestPeers().next()
+      expect(delegate.getClosestPeers.called).to.be.false()
-
+      await drain(node.peerRouting.getClosestPeers(remotePeerId))
-      return deferred.promise
+      expect(delegate.getClosestPeers.called).to.be.true()
+      delegate.getClosestPeers.restore()
     })
 
     it('should be able to find a peer', async () => {
@@ -200,7 +293,7 @@ describe('peer-routing', () => {
     })
 
     it('should error when a peer cannot be found', async () => {
-      const peerKey = 'key of a peer not on the network'
+      const peerId = await PeerId.create({ keyType: 'ed25519' })
       const mockApi = nock('http://0.0.0.0:60197')
         .post('/api/v0/dht/findpeer')
         .query(true)
@@ -209,20 +302,20 @@ describe('peer-routing', () => {
           'X-Chunked-Output', '1'
         ])
 
-      await expect(node.peerRouting.findPeer(peerKey))
+      await expect(node.peerRouting.findPeer(peerId))
         .to.eventually.be.rejected()
 
       expect(mockApi.isDone()).to.equal(true)
     })
 
     it('should handle errors from the api', async () => {
-      const peerKey = 'key of a peer not on the network'
+      const peerId = await PeerId.create({ keyType: 'ed25519' })
       const mockApi = nock('http://0.0.0.0:60197')
         .post('/api/v0/dht/findpeer')
         .query(true)
         .reply(502)
 
-      await expect(node.peerRouting.findPeer(peerKey))
+      await expect(node.peerRouting.findPeer(peerId))
         .to.eventually.be.rejected()
 
       expect(mockApi.isDone()).to.equal(true)
@@ -230,7 +323,6 @@ describe('peer-routing', () => {
 
     it('should be able to get the closest peers', async () => {
       const peerId = await PeerId.create({ keyType: 'ed25519' })
-
       const closest1 = '12D3KooWLewYMMdGWAtuX852n4rgCWkK7EBn4CWbwwBzhsVoKxk3'
       const closest2 = '12D3KooWDtoQbpKhtnWddfj72QmpFvvLDTsBLTFkjvgQm6cde2AK'
 
@@ -249,15 +341,12 @@ describe('peer-routing', () => {
             'X-Chunked-Output', '1'
           ])
 
-      const closestPeers = []
+      const closestPeers = await all(node.peerRouting.getClosestPeers(peerId.id, { timeout: 1000 }))
-      for await (const peer of node.peerRouting.getClosestPeers(peerId.id, { timeout: 1000 })) {
-        closestPeers.push(peer)
-      }
 
       expect(closestPeers).to.have.length(2)
-      expect(closestPeers[0].id.toB58String()).to.equal(closest2)
+      expect(closestPeers[0].id.toB58String()).to.equal(closest1)
       expect(closestPeers[0].multiaddrs).to.have.lengthOf(2)
-      expect(closestPeers[1].id.toB58String()).to.equal(closest1)
+      expect(closestPeers[1].id.toB58String()).to.equal(closest2)
       expect(closestPeers[1].multiaddrs).to.have.lengthOf(2)
       expect(mockApi.isDone()).to.equal(true)
     })
@@ -316,7 +405,7 @@ describe('peer-routing', () => {
         multiaddrs: []
       }
 
-      sinon.stub(node._dht, 'findPeer').callsFake(() => {})
+      sinon.stub(node._dht, 'findPeer').callsFake(async function * () {})
       sinon.stub(delegate, 'findPeer').callsFake(() => {
         return results
       })
@@ -334,7 +423,8 @@ describe('peer-routing', () => {
 
       const defer = pDefer()
 
-      sinon.stub(node._dht, 'findPeer').callsFake(async () => {
+      sinon.stub(node._dht, 'findPeer').callsFake(async function * () {
+        yield
         await defer.promise
       })
       sinon.stub(delegate, 'findPeer').callsFake(() => {
@@ -349,29 +439,34 @@ describe('peer-routing', () => {
 
     it('should not wait for the delegate to return if the dht does first', async () => {
       const [remotePeerId] = await peerUtils.createPeerId({ fixture: false })
-      const results = {
+      const result = {
         id: remotePeerId,
         multiaddrs: []
       }
 
       const defer = pDefer()
 
-      sinon.stub(node._dht, 'findPeer').callsFake(() => {
+      sinon.stub(node._dht, 'findPeer').callsFake(async function * () {
-        return results
+        yield {
+          name: 'PEER_RESPONSE',
+          closer: [
+            result
+          ]
+        }
       })
       sinon.stub(delegate, 'findPeer').callsFake(async () => {
         await defer.promise
       })
 
       const peer = await node.peerRouting.findPeer(remotePeerId)
-      expect(peer).to.eql(results)
+      expect(peer).to.eql(result)
 
       defer.resolve()
     })
 
     it('should store the addresses of the found peer', async () => {
       const [remotePeerId] = await peerUtils.createPeerId({ fixture: false })
-      const results = {
+      const result = {
         id: remotePeerId,
         multiaddrs: [
           new Multiaddr('/ip4/123.123.123.123/tcp/38982')
@@ -380,14 +475,19 @@ describe('peer-routing', () => {
 
       const spy = sinon.spy(node.peerStore.addressBook, 'add')
 
-      sinon.stub(node._dht, 'findPeer').callsFake(() => {
+      sinon.stub(node._dht, 'findPeer').callsFake(async function * () {
-        return results
+        yield {
+          name: 'PEER_RESPONSE',
+          closer: [
+            result
+          ]
+        }
       })
       sinon.stub(delegate, 'findPeer').callsFake(() => {})
 
       await node.peerRouting.findPeer(remotePeerId)
 
-      expect(spy.calledWith(results.id, results.multiaddrs)).to.be.true()
+      expect(spy.calledWith(result.id, result.multiaddrs)).to.be.true()
     })
 
     it('should use the delegate if the dht fails to get the closest peer', async () => {
@@ -487,8 +587,18 @@ describe('peer-routing', () => {
 
       sinon.spy(node.peerStore.addressBook, 'add')
       sinon.stub(node._dht, 'getClosestPeers').callsFake(function * () {
-        yield results[0]
+        yield {
-        yield results[1]
+          name: 'PEER_RESPONSE',
+          closer: [
+            results[0]
+          ]
+        }
+        yield {
+          name: 'PEER_RESPONSE',
+          closer: [
+            results[1]
+          ]
+        }
       })
 
       await node.start()
@@ -522,7 +632,7 @@ describe('peer-routing', () => {
         started: false
       })
 
-      sinon.stub(node._dht, 'getClosestPeers').callsFake(function * () {
+      sinon.stub(node._dht, 'getClosestPeers').callsFake(async function * () {
         yield
         throw new Error('should not be called')
       })

test/peer-routing/utils.js

@@ -13,9 +13,6 @@ const routingOptions = mergeOptions(baseOptions, {
   config: {
     dht: {
       kBucketSize: 20,
-      randomWalk: {
-        enabled: true
-      },
       enabled: true
     }
   }

test/transports/transport-manager.node.js

@@ -13,6 +13,7 @@ const { Multiaddr } = require('multiaddr')
 const mockUpgrader = require('../utils/mockUpgrader')
 const sinon = require('sinon')
 const Peers = require('../fixtures/peers')
+const pWaitFor = require('p-wait-for')
 const addrs = [
   new Multiaddr('/ip4/127.0.0.1/tcp/0'),
   new Multiaddr('/ip4/127.0.0.1/tcp/0')
@@ -72,9 +73,13 @@ describe('Transport Manager (TCP)', () => {
     tm.add(Transport.prototype[Symbol.toStringTag], Transport)
     await tm.listen(addrs)
 
-    // Should created Self Peer record on new listen address
+    // Should created Self Peer record on new listen address, but it is done async
-    signedPeerRecord = await tm.libp2p.peerStore.addressBook.getPeerRecord(localPeer)
+    // with no event so we have to wait a bit
-    expect(signedPeerRecord).to.exist()
+    await pWaitFor(async () => {
+      signedPeerRecord = await tm.libp2p.peerStore.addressBook.getPeerRecord(localPeer)
+
+      return signedPeerRecord != null
+    }, { interval: 100, timeout: 2000 })
 
     const record = PeerRecord.createFromProtobuf(signedPeerRecord.payload)
     expect(record).to.exist()

test/ts-use/package.json

@@ -7,7 +7,7 @@
     "libp2p": "file:../..",
     "libp2p-bootstrap": "^0.13.0",
     "libp2p-delegated-content-routing": "^0.11.0",
-    "libp2p-delegated-peer-routing": "^0.10.0",
+    "libp2p-delegated-peer-routing": "^0.11.1",
     "libp2p-gossipsub": "^0.9.0",
     "libp2p-interfaces": "^1.0.1",
     "libp2p-kad-dht": "^0.26.5",

test/ts-use/src/main.ts

@@ -123,11 +123,6 @@ async function main() {
       dht: {
         enabled: true,
         kBucketSize: 20,
-        randomWalk: {
-          enabled: true,            // Allows to disable discovery (enabled by default)
-          interval: 300e3,
-          timeout: 10e3
-        },
         clientMode: true,
         validators: {
           pk: Libp2pRecord.validator.validators.pk