chore: release version v0.13.3

* docs: document .createFromProtobuf and .marshal
* fix: lint
* test: verify .marshal() does it's job

.npmignore

@@ -1,28 +0,0 @@
-# Logs
-logs
-*.log
-
-# Runtime data
-pids
-*.pid
-*.seed
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# Compiled binary addons (http://nodejs.org/api/addons.html)
-build/Release
-
-# Optional npm cache directory
-.npm
-
-# Optional REPL history
-.node_repl_history
-
-test

.travis.yml

@@ -1,32 +1,45 @@
-# Warning: This file is automatically synced from https://github.com/ipfs/ci-sync so if you want to change it, please change it there and ask someone to sync all repositories.
-sudo: false
 language: node_js
+cache: npm
+stages:
+  - check
+  - test
+  - cov
 
-matrix:
+node_js:
+  - '10'
+
+os:
+  - linux
+  - osx
+
+script: npx nyc -s npm run test:node -- --bail
+after_success: npx nyc report --reporter=text-lcov > coverage.lcov && npx codecov
+
+jobs:
   include:
-  - node_js: 6
+    - os: windows
-    env: CXX=g++-4.8
+      cache: false
-  - node_js: 8
-    env: CXX=g++-4.8
-    #  - node_js: stable
-    #    env: CXX=g++-4.8
 
-script:
+    - stage: check
-  - npm run lint
+      script:
-  - npm run test
+        - npx aegir dep-check
-  - npm run coverage
+        - npm run lint
 
-before_script:
+    - stage: test
-  - export DISPLAY=:99.0
+      name: chrome
-  - sh -e /etc/init.d/xvfb start
+      addons:
+        chrome: stable
+      script:
+        - npx aegir test -t browser
+        - npx aegir test -t webworker
 
-after_success:
+    - stage: test
-  - npm run coverage-publish
+      name: firefox
+      addons:
+        firefox: latest
+      script:
+        - npx aegir test -t browser -- --browsers FirefoxHeadless
+        - npx aegir test -t webworker -- --browsers FirefoxHeadless
 
-addons:
+notifications:
-  firefox: 'latest'
+  email: false
-  apt:
-    sources:
-      - ubuntu-toolchain-r-test
-    packages:
-      - g++-4.8

CHANGELOG.md

@@ -1,3 +1,98 @@
+<a name="0.13.3"></a>
+## [0.13.3](https://github.com/libp2p/js-peer-id/compare/v0.13.2...v0.13.3) (2019-09-25)
+
+
+### Features
+
+* allow nested PeerIds to support pubKey function when using identity encoding ([#101](https://github.com/libp2p/js-peer-id/issues/101)) ([f39fb24](https://github.com/libp2p/js-peer-id/commit/f39fb24))
+
+
+
+<a name="0.13.2"></a>
+## [0.13.2](https://github.com/libp2p/js-peer-id/compare/v0.13.1...v0.13.2) (2019-07-12)
+
+
+### Features
+
+* add compact protobuf format ([#76](https://github.com/libp2p/js-peer-id/issues/76)) ([7686418](https://github.com/libp2p/js-peer-id/commit/7686418))
+
+
+
+<a name="0.13.1"></a>
+## [0.13.1](https://github.com/libp2p/js-peer-id/compare/v0.13.0...v0.13.1) (2019-07-11)
+
+
+### Features
+
+* **peerid:** support creating from secp256k1; harmonize algo with Go ([#95](https://github.com/libp2p/js-peer-id/issues/95)) ([17440a3](https://github.com/libp2p/js-peer-id/commit/17440a3))
+
+
+
+<a name="0.13.0"></a>
+# [0.13.0](https://github.com/libp2p/js-peer-id/compare/v0.12.2...v0.13.0) (2019-07-11)
+
+
+### Features
+
+* async await ([#87](https://github.com/libp2p/js-peer-id/issues/87)) ([c3463c7](https://github.com/libp2p/js-peer-id/commit/c3463c7))
+
+
+### BREAKING CHANGES
+
+* API refactored to use async/await
+
+
+
+<a name="0.12.2"></a>
+## [0.12.2](https://github.com/libp2p/js-peer-id/compare/v0.12.1...v0.12.2) (2019-01-09)
+
+
+### Bug Fixes
+
+* clean repo and bundle size reduction ([cd20993](https://github.com/libp2p/js-peer-id/commit/cd20993))
+
+
+
+<a name="0.12.1"></a>
+## [0.12.1](https://github.com/libp2p/js-peer-id/compare/v0.12.0...v0.12.1) (2019-01-03)
+
+
+
+<a name="0.12.0"></a>
+# [0.12.0](https://github.com/libp2p/js-peer-id/compare/v0.11.0...v0.12.0) (2018-10-18)
+
+
+### Bug Fixes
+
+* add peerIdWithIs to the API functions using the instance ([2e5e666](https://github.com/libp2p/js-peer-id/commit/2e5e666))
+
+
+### Features
+
+* add class-is module ([6513a02](https://github.com/libp2p/js-peer-id/commit/6513a02))
+
+
+
+<a name="0.11.0"></a>
+# [0.11.0](https://github.com/libp2p/js-peer-id/compare/v0.10.7...v0.11.0) (2018-07-02)
+
+
+### Features
+
+* change toPrint output to match go implementation ([e8ab1b9](https://github.com/libp2p/js-peer-id/commit/e8ab1b9))
+
+
+
+<a name="0.10.7"></a>
+## [0.10.7](https://github.com/libp2p/js-peer-id/compare/v0.10.6...v0.10.7) (2018-04-05)
+
+
+
+<a name="0.10.6"></a>
+## [0.10.6](https://github.com/libp2p/js-peer-id/compare/v0.10.5...v0.10.6) (2018-02-12)
+
+
+
 <a name="0.10.5"></a>
 ## [0.10.5](https://github.com/libp2p/js-peer-id/compare/v0.10.4...v0.10.5) (2018-01-28)
 

README.md

@@ -1,16 +1,22 @@
 # peer-id
 
-[![](https://img.shields.io/badge/made%20by-Protocol%20Labs-blue.svg?style=flat-square)](http://ipn.io)
+[![](https://img.shields.io/badge/made%20by-Protocol%20Labs-blue.svg?style=flat-square)](http://protocol.ai)
-[![](https://img.shields.io/badge/freenode-%23ipfs-blue.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23ipfs)
+[![](https://img.shields.io/badge/project-libp2p-yellow.svg?style=flat-square)](http://libp2p.io/)
-[![Build Status](https://travis-ci.org/libp2p/js-peer-id.svg?style=flat-square)](https://travis-ci.org/libp2p/js-peer-id)
+[![](https://img.shields.io/badge/freenode-%23libp2p-yellow.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23libp2p)
-[![Coverage Status](https://coveralls.io/repos/github/libp2p/js-peer-id/badge.svg?branch=master)](https://coveralls.io/github/libp2p/js-peer-id?branch=master)
+[![Discourse posts](https://img.shields.io/discourse/https/discuss.libp2p.io/posts.svg)](https://discuss.libp2p.io)
+[![](https://img.shields.io/codecov/c/github/libp2p/js-peer-id.svg?style=flat-square)](https://codecov.io/gh/libp2p/js-peer-id)
+[![](https://img.shields.io/travis/libp2p/js-peer-id.svg?style=flat-square)](https://travis-ci.com/libp2p/js-peer-id)
 [![Dependency Status](https://david-dm.org/libp2p/js-peer-id.svg?style=flat-square)](https://david-dm.org/libp2p/js-peer-id)
 [![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://github.com/feross/standard)
-![](https://img.shields.io/badge/npm-%3E%3D3.0.0-orange.svg?style=flat-square)
-![](https://img.shields.io/badge/Node.js-%3E%3D6.0.0-orange.svg?style=flat-square)
 
 > [IPFS](https://github.com/ipfs/ipfs) Peer ID implementation in JavaScript.
 
+## Lead Maintainer
+
+[Vasco Santos](https://github.com/vasco-santos)
+
+## Table of Contents
+
 - [Description](#description)
 - [Example](#example)
 - [Installation](#installation)
@@ -22,7 +28,7 @@
 - [API](#api)
   - [Create](#create)
     - [`new PeerId(id[, privKey, pubKey])`](#new-peeridid-privkey-pubkey)
-    - [`create([opts], callback)`](#createopts-callback)
+    - [`create([opts])`](#createopts)
   - [Import](#import)
     - [`createFromHexString(str)`](#createfromhexstringstr)
     - [`createFromBytes(buf)`](#createfrombytesbuf)
@@ -51,11 +57,10 @@ The public key is a base64 encoded string of a protobuf containing an RSA DER bu
 ```JavaScript
 const PeerId = require('peer-id')
 
-PeerId.create({ bits: 1024 }, (err, id) => {
+const id = await PeerId.create({ bits: 1024, keyType: 'rsa' })
-  if (err) { throw err }
+console.log(JSON.stringify(id.toJSON(), null, 2))
-  console.log(JSON.stringify(id.toJSON(), null, 2))
-})
 ```
+
 ```bash
 {
   "id": "Qma9T5YraSnpRDZqRR4krcSJabThc8nwZuJV3LercPHufi",
@@ -118,14 +123,13 @@ const PeerId = require('peer-id')
 
 The key format is detailed in [libp2p-crypto](https://github.com/libp2p/js-libp2p-crypto).
 
-### `create([opts], callback)`
+### `create([opts])`
 
 Generates a new Peer ID, complete with public/private keypair.
 
-- `opts: Object`: Default: `{bits: 2048}`
+- `opts: Object`: Default: `{bits: 2048, keyType: 'rsa'}`
-- `callback: Function`
 
-Calls back `callback` with `err, id`.
+Returns `Promise<PeerId>`.
 
 ## Import
 
@@ -133,30 +137,47 @@ Calls back `callback` with `err, id`.
 
 Creates a Peer ID from hex string representing the key's multihash.
 
+Returns `PeerId.
+
 ### `createFromBytes(buf)`
 
 Creates a Peer ID from a buffer representing the key's multihash.
 
+Returns `PeerId`.
+
 ### `createFromB58String(str)`
+
 Creates a Peer ID from a Base58 string representing the key's multihash.
 
+Returns `PeerId`.
+
 ### `createFromPubKey(pubKey)`
 
 - `publicKey: Buffer`
 
 Creates a Peer ID from a buffer containing a public key.
 
+Returns `Promise<PeerId>`.
+
 ### `createFromPrivKey(privKey)`
 
 - `privKey: Buffer`
 
 Creates a Peer ID from a buffer containing a private key.
 
+Returns `Promise<PeerId>`.
+
 ### `createFromJSON(obj)`
 
 - `obj.id: String` - The multihash encoded in `base58`
-- `obj.pubKey: String` - The public key in protobuf format, encoded in 'base64'
+- `obj.pubKey: String` - The public key in protobuf format, encoded in `base64`
-- `obj.privKey: String` - The private key in protobuf format, encoded in 'base 64'
+- `obj.privKey: String` - The private key in protobuf format, encoded in `base64`
+
+Returns `Promise<PeerId>`.
+
+### `createFromProtobuf(buf)`
+
+`buf` is a protocol-buffers encoded PeerId (see `marshal()`)
 
 ## Export
 
@@ -192,10 +213,15 @@ Returns an `obj` of the form
 - `obj.pubKey: String` - The public key in protobuf format, encoded in 'base64'
 - `obj.privKey: String` - The private key in protobuf format, encoded in 'base 64'
 
+### `marshal(excludePrivatKey)`
+
+Returns a protocol-buffers encoded version of the id, public key and, if `excludePrivateKey` is not set, the private key.
 
 ### `toPrint()`
 
-Alias for `.toJSON()`.
+Returns the Peer ID as a printable string without the `Qm` prefix.
+
+Example: `<peer.ID xxxxxx>`
 
 ### `isEqual(id)`
 

appveyor.yml

@@ -1,29 +0,0 @@
-# Warning: This file is automatically synced from https://github.com/ipfs/ci-sync so if you want to change it, please change it there and ask someone to sync all repositories.
-version: "{build}"
-
-environment:
-  matrix:
-    - nodejs_version: "6"
-    - nodejs_version: "8"
-
-matrix:
-  fast_finish: true
-
-install:
-  # Install Node.js
-  - ps: Install-Product node $env:nodejs_version
-
-  # Upgrade npm
-  - npm install -g npm
-
-  # Output our current versions for debugging
-  - node --version
-  - npm --version
-
-  # Install our package dependencies
-  - npm install
-
-test_script:
-  - npm run test:node
-
-build: off

ci/Jenkinsfile

@@ -1,2 +0,0 @@
-// Warning: This file is automatically synced from https://github.com/ipfs/ci-sync so if you want to change it, please change it there and ask someone to sync all repositories.
-javascript()

circle.yml

@@ -1,15 +0,0 @@
-# Warning: This file is automatically synced from https://github.com/ipfs/ci-sync so if you want to change it, please change it there and ask someone to sync all repositories.
-machine:
-  node:
-    version: stable
-
-dependencies:
-  pre:
-    - google-chrome --version
-    - curl -L -o google-chrome.deb https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
-    - sudo dpkg -i google-chrome.deb || true
-    - sudo apt-get update
-    - sudo apt-get install -f
-    - sudo apt-get install --only-upgrade lsb-base
-    - sudo dpkg -i google-chrome.deb
-    - google-chrome --version

package.json

@@ -1,7 +1,8 @@
 {
   "name": "peer-id",
-  "version": "0.10.5",
+  "version": "0.13.3",
   "description": "IPFS Peer Id implementation in Node.js",
+  "leadMaintainer": "Vasco Santos <santos.vasco10@gmail.com>",
   "main": "src/index.js",
   "bin": "src/bin.js",
   "scripts": {
@@ -13,50 +14,59 @@
     "release": "aegir release",
     "release-minor": "aegir release --type minor",
     "release-major": "aegir release --type major",
-    "coverage": "aegir coverage"
+    "coverage": "aegir coverage",
+    "size": "bundlesize -f dist/index.min.js -s 140kB"
   },
+  "files": [
+    "src",
+    "dist"
+  ],
   "keywords": [
     "IPFS"
   ],
-  "author": "David Dias <daviddias@ipfs.io>",
   "license": "MIT",
-  "pre-commit": [
-    "lint",
-    "test"
-  ],
   "engines": {
-    "node": ">=6.0.0",
+    "node": ">=10.0.0",
-    "npm": ">=3.0.0"
+    "npm": ">=6.0.0"
   },
   "bugs": {
     "url": "https://github.com/libp2p/js-peer-id/issues"
   },
   "homepage": "https://github.com/libp2p/js-peer-id",
   "devDependencies": {
-    "aegir": "^12.4.0",
+    "aegir": "^20.0.0",
-    "chai": "^4.1.2",
+    "bundlesize": "~0.18.0",
-    "dirty-chai": "^2.0.1",
+    "chai": "^4.2.0",
-    "pre-commit": "^1.2.2"
+    "dirty-chai": "^2.0.1"
   },
   "dependencies": {
-    "async": "^2.6.0",
+    "class-is": "^1.1.0",
-    "libp2p-crypto": "~0.12.0",
+    "libp2p-crypto": "~0.17.0",
-    "lodash": "^4.17.4",
+    "multihashes": "~0.4.15",
-    "multihashes": "~0.4.13"
+    "protons": "^1.0.1"
   },
   "repository": {
     "type": "git",
     "url": "https://github.com/libp2p/js-peer-id.git"
   },
   "contributors": [
+    "Arve Knudsen <arve.knudsen@gmail.com>",
     "David Dias <daviddias.p@gmail.com>",
     "David Dias <mail@daviddias.me>",
     "Friedel Ziegelmayer <dignifiedquire@gmail.com>",
+    "Henrique Dias <hacdias@gmail.com>",
+    "Hugo Dias <hugomrdias@gmail.com>",
+    "Jacob Heun <jacobheun@gmail.com>",
     "Maciej Krüger <mkg20001@gmail.com>",
+    "Michael Garvin <gar+gh@danger.computer>",
+    "Pedro Teixeira <i@pgte.me>",
     "Prashanth Chandra <coolshanth94@gmail.com>",
     "Richard Littauer <richard.littauer@gmail.com>",
     "Richard Schneider <makaretu@gmail.com>",
     "Stephen Whitmore <stephen.whitmore@gmail.com>",
+    "Topper Bowers <topper@quorumcontrol.com>",
+    "Vasco Santos <vasco.santos@moxy.studio>",
+    "Vasco Santos <vasco.santos@ua.pt>",
     "Yahya <ya7yaz@gmail.com>",
     "greenkeeperio-bot <support@greenkeeper.io>",
     "nginnever <ginneversource@gmail.com>",

src/bin.js

@@ -4,10 +4,9 @@
 
 const PeerId = require('./index.js')
 
-PeerId.create((err, id) => {
+async function main () {
-  if (err) {
+  const id = await PeerId.create()
-    throw err
+  console.log(JSON.stringify(id.toJSON(), null, 2)) // eslint-disable-line no-console
-  }
+}
 
-  console.log(JSON.stringify(id.toJSON(), null, 2))
+main()
-})

src/index.js

@@ -5,9 +5,10 @@
 'use strict'
 
 const mh = require('multihashes')
-const crypto = require('libp2p-crypto')
+const cryptoKeys = require('libp2p-crypto/src/keys')
 const assert = require('assert')
-const waterfall = require('async/waterfall')
+const withIs = require('class-is')
+const { PeerIdProto } = require('./proto')
 
 class PeerId {
   constructor (id, privKey, pubKey) {
@@ -47,6 +48,13 @@ class PeerId {
     if (this._privKey) {
       return this._privKey.public
     }
+
+    const decoded = mh.decode(this.id)
+
+    if (decoded.name === 'identity') {
+      this._pubKey = cryptoKeys.unmarshalPublicKey(decoded.digest)
+      return this._pubKey
+    }
   }
 
   set pubKey (pubKey) {
@@ -56,20 +64,39 @@ class PeerId {
   // Return the protobuf version of the public key, matching go ipfs formatting
   marshalPubKey () {
     if (this.pubKey) {
-      return crypto.keys.marshalPublicKey(this.pubKey)
+      return cryptoKeys.marshalPublicKey(this.pubKey)
     }
   }
 
   // Return the protobuf version of the private key, matching go ipfs formatting
   marshalPrivKey () {
     if (this.privKey) {
-      return crypto.keys.marshalPrivateKey(this.privKey)
+      return cryptoKeys.marshalPrivateKey(this.privKey)
     }
   }
 
-  // pretty print
+  // Return the protobuf version of the peer-id
+  marshal (excludePriv) {
+    return PeerIdProto.encode({
+      id: this.toBytes(),
+      pubKey: this.marshalPubKey(),
+      privKey: excludePriv ? null : this.marshalPrivKey()
+    })
+  }
+
   toPrint () {
-    return this.toJSON()
+    let pid = this.toB58String()
+    // All sha256 nodes start with Qm
+    // We can skip the Qm to make the peer.ID more useful
+    if (pid.startsWith('Qm')) {
+      pid = pid.slice(2)
+    }
+    let maxRunes = 6
+    if (pid.length < maxRunes) {
+      maxRunes = pid.length
+    }
+
+    return '<peer.ID ' + pid.substr(0, maxRunes) + '>'
   }
 
   // return the jsonified version of the key, matching the formatting
@@ -108,174 +135,164 @@ class PeerId {
   /*
    * Check if this PeerId instance is valid (privKey -> pubKey -> Id)
    */
-  isValid (callback) {
+  isValid () {
-    // TODO Needs better checking
+    // TODO: needs better checking
-    if (this.privKey &&
+    return Boolean(this.privKey &&
       this.privKey.public &&
       this.privKey.public.bytes &&
       Buffer.isBuffer(this.pubKey.bytes) &&
-      this.privKey.public.bytes.equals(this.pubKey.bytes)) {
+      this.privKey.public.bytes.equals(this.pubKey.bytes))
-      callback()
-    } else {
-      callback(new Error('Keys not match'))
-    }
   }
 }
 
-exports = module.exports = PeerId
+const PeerIdWithIs = withIs(PeerId, {
+  className: 'PeerId',
+  symbolName: '@libp2p/js-peer-id/PeerId'
+})
+
+exports = module.exports = PeerIdWithIs
+
+const computeDigest = (pubKey) => {
+  if (pubKey.bytes.length <= 42) {
+    return mh.encode(pubKey.bytes, 'identity')
+  } else {
+    return pubKey.hash()
+  }
+}
+
+const computePeerId = async (privKey, pubKey) => {
+  const digest = await computeDigest(pubKey)
+  return new PeerIdWithIs(digest, privKey, pubKey)
+}
 
 // generation
-exports.create = function (opts, callback) {
+exports.create = async (opts) => {
-  if (typeof opts === 'function') {
-    callback = opts
-    opts = {}
-  }
   opts = opts || {}
   opts.bits = opts.bits || 2048
+  opts.keyType = opts.keyType || 'RSA'
 
-  waterfall([
+  const key = await cryptoKeys.generateKeyPair(opts.keyType, opts.bits)
-    (cb) => crypto.keys.generateKeyPair('RSA', opts.bits, cb),
+  return computePeerId(key, key.public)
-    (privKey, cb) => privKey.public.hash((err, digest) => {
-      cb(err, digest, privKey)
-    })
-  ], (err, digest, privKey) => {
-    if (err) {
-      return callback(err)
-    }
-
-    callback(null, new PeerId(digest, privKey))
-  })
 }
 
-exports.createFromHexString = function (str) {
+exports.createFromHexString = (str) => {
-  return new PeerId(mh.fromHexString(str))
+  return new PeerIdWithIs(mh.fromHexString(str))
 }
 
-exports.createFromBytes = function (buf) {
+exports.createFromBytes = (buf) => {
-  return new PeerId(buf)
+  return new PeerIdWithIs(buf)
 }
 
-exports.createFromB58String = function (str) {
+exports.createFromB58String = (str) => {
-  return new PeerId(mh.fromB58String(str))
+  return new PeerIdWithIs(mh.fromB58String(str))
 }
 
 // Public Key input will be a buffer
-exports.createFromPubKey = function (key, callback) {
+exports.createFromPubKey = async (key) => {
-  if (typeof callback !== 'function') {
+  let buf = key
-    throw new Error('callback is required')
+
+  if (typeof buf === 'string') {
+    buf = Buffer.from(key, 'base64')
   }
 
-  let pubKey
+  if (!Buffer.isBuffer(buf)) {
-
+    throw new Error('Supplied key is neither a base64 string nor a buffer')
-  try {
-    let buf = key
-    if (typeof buf === 'string') {
-      buf = Buffer.from(key, 'base64')
-    }
-
-    if (!Buffer.isBuffer(buf)) throw new Error('Supplied key is neither a base64 string nor a buffer')
-
-    pubKey = crypto.keys.unmarshalPublicKey(buf)
-  } catch (err) {
-    return callback(err)
   }
 
-  pubKey.hash((err, digest) => {
+  const pubKey = await cryptoKeys.unmarshalPublicKey(buf)
-    if (err) {
+  return computePeerId(null, pubKey)
-      return callback(err)
-    }
-
-    callback(null, new PeerId(digest, null, pubKey))
-  })
 }
 
 // Private key input will be a string
-exports.createFromPrivKey = function (key, callback) {
+exports.createFromPrivKey = async (key) => {
-  if (typeof callback !== 'function') {
-    throw new Error('callback is required')
-  }
-
   let buf = key
 
-  try {
+  if (typeof buf === 'string') {
-    if (typeof buf === 'string') {
+    buf = Buffer.from(key, 'base64')
-      buf = Buffer.from(key, 'base64')
-    }
-
-    if (!Buffer.isBuffer(buf)) throw new Error('Supplied key is neither a base64 string nor a buffer')
-  } catch (err) {
-    return callback(err)
   }
 
-  waterfall([
+  if (!Buffer.isBuffer(buf)) {
-    (cb) => crypto.keys.unmarshalPrivateKey(buf, cb),
+    throw new Error('Supplied key is neither a base64 string nor a buffer')
-    (privKey, cb) => privKey.public.hash((err, digest) => {
+  }
-      cb(err, digest, privKey)
-    })
-  ], (err, digest, privKey) => {
-    if (err) {
-      return callback(err)
-    }
 
-    callback(null, new PeerId(digest, privKey, privKey.public))
+  const privKey = await cryptoKeys.unmarshalPrivateKey(buf)
-  })
+  return computePeerId(privKey, privKey.public)
 }
 
-exports.createFromJSON = function (obj, callback) {
+exports.createFromJSON = async (obj) => {
-  if (typeof callback !== 'function') {
+  const id = mh.fromB58String(obj.id)
-    throw new Error('callback is required')
+  const rawPrivKey = obj.privKey && Buffer.from(obj.privKey, 'base64')
+  const rawPubKey = obj.pubKey && Buffer.from(obj.pubKey, 'base64')
+  const pub = rawPubKey && await cryptoKeys.unmarshalPublicKey(rawPubKey)
+
+  if (!rawPrivKey) {
+    return new PeerIdWithIs(id, null, pub)
   }
 
-  let id
+  const privKey = await cryptoKeys.unmarshalPrivateKey(rawPrivKey)
-  let rawPrivKey
+  const privDigest = await computeDigest(privKey.public)
-  let rawPubKey
-  let pub
 
-  try {
+  let pubDigest
-    id = mh.fromB58String(obj.id)
+
-    rawPrivKey = obj.privKey && Buffer.from(obj.privKey, 'base64')
+  if (pub) {
-    rawPubKey = obj.pubKey && Buffer.from(obj.pubKey, 'base64')
+    pubDigest = await computeDigest(pub)
-    pub = rawPubKey && crypto.keys.unmarshalPublicKey(rawPubKey)
-  } catch (err) {
-    return callback(err)
   }
 
-  if (rawPrivKey) {
+  if (pub && !privDigest.equals(pubDigest)) {
-    waterfall([
+    throw new Error('Public and private key do not match')
-      (cb) => crypto.keys.unmarshalPrivateKey(rawPrivKey, cb),
-      (priv, cb) => priv.public.hash((err, digest) => {
-        cb(err, digest, priv)
-      }),
-      (privDigest, priv, cb) => {
-        if (pub) {
-          pub.hash((err, pubDigest) => {
-            cb(err, privDigest, priv, pubDigest)
-          })
-        } else {
-          cb(null, privDigest, priv)
-        }
-      }
-    ], (err, privDigest, priv, pubDigest) => {
-      if (err) {
-        return callback(err)
-      }
-
-      if (pub && !privDigest.equals(pubDigest)) {
-        return callback(new Error('Public and private key do not match'))
-      }
-
-      if (id && !privDigest.equals(id)) {
-        return callback(new Error('Id and private key do not match'))
-      }
-
-      callback(null, new PeerId(id, priv, pub))
-    })
-  } else {
-    callback(null, new PeerId(id, null, pub))
   }
+
+  if (id && !privDigest.equals(id)) {
+    throw new Error('Id and private key do not match')
+  }
+
+  return new PeerIdWithIs(id, privKey, pub)
 }
 
-exports.isPeerId = function (peerId) {
+exports.createFromProtobuf = async (buf) => {
+  if (typeof buf === 'string') {
+    buf = Buffer.from(buf, 'hex')
+  }
+
+  let { id, privKey, pubKey } = PeerIdProto.decode(buf)
+
+  privKey = privKey ? await cryptoKeys.unmarshalPrivateKey(privKey) : false
+  pubKey = pubKey ? await cryptoKeys.unmarshalPublicKey(pubKey) : false
+
+  let pubDigest
+  let privDigest
+
+  if (privKey) {
+    privDigest = await computeDigest(privKey.public)
+  }
+
+  if (pubKey) {
+    pubDigest = await computeDigest(pubKey)
+  }
+
+  if (privKey) {
+    if (pubKey) {
+      if (!privDigest.equals(pubDigest)) {
+        throw new Error('Public and private key do not match')
+      }
+    }
+    return new PeerIdWithIs(privDigest, privKey, privKey.public)
+  }
+
+  // TODO: val id and pubDigest
+
+  if (pubKey) {
+    return new PeerIdWithIs(pubDigest, null, pubKey)
+  }
+
+  if (id) {
+    return new PeerIdWithIs(id)
+  }
+
+  throw new Error('Protobuf did not contain any usable key material')
+}
+
+exports.isPeerId = (peerId) => {
   return Boolean(typeof peerId === 'object' &&
     peerId._id &&
     peerId._idB58String)

src/proto.js

@@ -0,0 +1,12 @@
+'use strict'
+
+const protons = require('protons')
+module.exports = protons(`
+
+message PeerIdProto {
+  required bytes id = 1;
+  bytes pubKey = 2;
+  bytes privKey = 3;
+}
+
+`)

test/fixtures/sample-id.js

@@ -3,5 +3,6 @@
 module.exports = {
   id: '122019318b6e5e0cf93a2314bf01269a2cc23cd3dcd452d742cdb9379d8646f6e4a9',
   privKey: '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',
-  pubKey: 'CAASpgIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC2SKo/HMFZeBml1AF3XijzrxrfQXdJzjePBZAbdxqKR1Mc6juRHXij6HXYPjlAk01BhF1S3Ll4Lwi0cAHhggf457sMg55UWyeGKeUv0ucgvCpBwlR5cQ020i0MgzjPWOLWq1rtvSbNcAi2ZEVn6+Q2EcHo3wUvWRtLeKz+DZSZfw2PEDC+DGPJPl7f8g7zl56YymmmzH9liZLNrzg/qidokUv5u1pdGrcpLuPNeTODk0cqKB+OUbuKj9GShYECCEjaybJDl9276oalL9ghBtSeEv20kugatTvYy590wFlJkkvyl+nPxIH0EEYMKK9XRWlu9XYnoSfboiwcv8M3SlsjAgMBAAE='
+  pubKey: 'CAASpgIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC2SKo/HMFZeBml1AF3XijzrxrfQXdJzjePBZAbdxqKR1Mc6juRHXij6HXYPjlAk01BhF1S3Ll4Lwi0cAHhggf457sMg55UWyeGKeUv0ucgvCpBwlR5cQ020i0MgzjPWOLWq1rtvSbNcAi2ZEVn6+Q2EcHo3wUvWRtLeKz+DZSZfw2PEDC+DGPJPl7f8g7zl56YymmmzH9liZLNrzg/qidokUv5u1pdGrcpLuPNeTODk0cqKB+OUbuKj9GShYECCEjaybJDl9276oalL9ghBtSeEv20kugatTvYy590wFlJkkvyl+nPxIH0EEYMKK9XRWlu9XYnoSfboiwcv8M3SlsjAgMBAAE=',
+  marshaled: '0a22122019318b6e5e0cf93a2314bf01269a2cc23cd3dcd452d742cdb9379d8646f6e4a912ab02080012a60230820122300d06092a864886f70d01010105000382010f003082010a0282010100b648aa3f1cc1597819a5d401775e28f3af1adf417749ce378f05901b771a8a47531cea3b911d78a3e875d83e3940934d41845d52dcb9782f08b47001e18207f8e7bb0c839e545b278629e52fd2e720bc2a41c25479710d36d22d0c8338cf58e2d6ab5aedbd26cd7008b6644567ebe43611c1e8df052f591b4b78acfe0d94997f0d8f1030be0c63c93e5edff20ef3979e98ca69a6cc7f658992cdaf383faa2768914bf9bb5a5d1ab7292ee3cd79338393472a281f8e51bb8a8fd1928581020848dac9b24397ddbbea86a52fd82106d49e12fdb492e81ab53bd8cb9f74c05949924bf297e9cfc481f410460c28af5745696ef57627a127dba22c1cbfc3374a5b2302030100011aab09080012a609308204a20201000282010100b648aa3f1cc1597819a5d401775e28f3af1adf417749ce378f05901b771a8a47531cea3b911d78a3e875d83e3940934d41845d52dcb9782f08b47001e18207f8e7bb0c839e545b278629e52fd2e720bc2a41c25479710d36d22d0c8338cf58e2d6ab5aedbd26cd7008b6644567ebe43611c1e8df052f591b4b78acfe0d94997f0d8f1030be0c63c93e5edff20ef3979e98ca69a6cc7f658992cdaf383faa2768914bf9bb5a5d1ab7292ee3cd79338393472a281f8e51bb8a8fd1928581020848dac9b24397ddbbea86a52fd82106d49e12fdb492e81ab53bd8cb9f74c05949924bf297e9cfc481f410460c28af5745696ef57627a127dba22c1cbfc3374a5b2302030100010282010066d8eefdb70abca14fcf49a41e2689729c9ccbd4932a9868ae9093f37b2b055422e7d09d154e8c8fe68bff1b749023cc562809c3c3f7fd808427d27ead2f01b28584fb159412c26fb57a13eefccf1da02d337722d4765ddf4d8ccf5f86812f04a5dc7eec5e69f345c014b0d49c42f33b329fb6f58666659f49e0e7b25c1538d90bff5540cf02b2ec27ba864e12c5113b976344d8e9254873b30865357fbf19cd560a4a74b9020f58ac68ce0264ce5c36ca34a37fa88a2b010d5ba2fcc6a02c31de21886ad40a14ec72542c8ed4fb09613ec93be9196e105645113e2fb97ea693c447d6dd2c5c6cd6de42aca734efc87ec2e52bd394b53f52635e4ebca64dfe9102818100de2bc011d75dfbdccce26fabb3a631b380d44ccdd60db84c568f1cb1033cf9dcd011ef3acf1ef5ef7c8aa30d270b27835c44ed9375d85701f66838f547e64e0f24728b04f2ae5d9a56968a24080c84358efe3dde794bcafe6be32eb2b31a8183658dbe566d54e037c7207698a6f656db20596937a4996958cb40bdc9f13587eb02818100d20a1cc8b64a965f5d4236cb49f73272504db423b2eba720493601b582dbf3dd93144029f73f1c47b50ccdf67d4fd2649262cfa304a3eea12c982edd70c1ed74fe5a602f8ae4296537fe6d4ccadd2dbde27d59ca8787ab737006dbfdf5e95054ffa384960e299690f92e09bfbc8ffff6ca25e4d1afd3d9fdfacca32e66fba3a90281802e81ec10100c6d87d81fe28e87e9d767a3254dfa9cbf7c800672a8e7e92c9f8578ccf84e504343ea6120c8671d70395247436a943ecc0dd2ac593eeb21a4f55c381dfe3a07ef364af3ab49b9a731af8f62a29822f533478820df8acbffb021c276c4c83e615eae1d1f030db080eafa5d9e94f8f09bf53d57481d025dbeaf9d070281802edb0aa8cbe1bfc1ee7003013eb2e29215cfffcba6f2630a14caf37ea67ea2dc5f1f39612342f4f01a378d0adbd19ec1c8d63a33c7a93a66c22800ec6d6715adefc0018d1992e4992bf09a397357fc084c2a628987ca8038f458d362c8251042a5f4b873311d9df521615fd362214d9ca463e7b3cf619753cd4b316bfc954e610281806beec9501236f93a79f99999c60e1fbbd81c4b35d83006484ed0e09da5d212aa4d05d0fc5bcb6d8314e297644a62c88f5760fd42f303e226c4a11a6db213004f5979ebad9356733695b826d71eb664590a200431b71c65cd754e0c0160b28989728a7201a4fa68009652ce918b9966cc5a1dbcf91252e80417e8a1eb2b5a36bb'
 }

test/peer-id.spec.js

@@ -8,7 +8,6 @@ chai.use(dirtyChai)
 const expect = chai.expect
 const crypto = require('libp2p-crypto')
 const mh = require('multihashes')
-const parallel = require('async/parallel')
 
 const PeerId = require('../src')
 
@@ -32,34 +31,36 @@ describe('PeerId', () => {
     expect(PeerId).to.throw(Error)
   })
 
-  it('create a new id', (done) => {
+  it('create a new id', async () => {
-    PeerId.create(testOpts, (err, id) => {
+    const id = await PeerId.create(testOpts)
-      expect(err).to.not.exist()
+    expect(id.toB58String().length).to.equal(46)
-      expect(id.toB58String().length).to.equal(46)
-      done()
-    })
   })
 
-  it('isPeerId', (done) => {
+  it('can be created for a Secp256k1 key', async () => {
-    PeerId.create(testOpts, (err, id) => {
+    const id = await PeerId.create({ keyType: 'secp256k1', bits: 256 })
-      expect(err).to.not.exist()
+    const expB58 = mh.toB58String(mh.encode(id.pubKey.bytes, 'identity'))
-      expect(PeerId.isPeerId(id)).to.equal(true)
+    expect(id.toB58String()).to.equal(expB58)
-      expect(PeerId.isPeerId('aaa')).to.equal(false)
-      expect(PeerId.isPeerId(Buffer.from('batatas'))).to.equal(false)
-      done()
-    })
   })
 
-  it('throws on changing the id', function (done) {
+  it('can get the public key from a Secp256k1 key', async () => {
-    this.timeout(10000)
+    const original = await PeerId.create({ keyType: 'secp256k1', bits: 256 })
-    PeerId.create(testOpts, (err, id) => {
+    const newId = PeerId.createFromB58String(original.toB58String())
-      expect(err).to.not.exist()
+    expect(original.pubKey.bytes).to.eql(newId.pubKey.bytes)
-      expect(id.toB58String().length).to.equal(46)
+  })
-      expect(() => {
+
-        id.id = Buffer.from('hello')
+  it('isPeerId', async () => {
-      }).to.throw(/immutable/)
+    const id = await PeerId.create(testOpts)
-      done()
+    expect(PeerId.isPeerId(id)).to.equal(true)
-    })
+    expect(PeerId.isPeerId('aaa')).to.equal(false)
+    expect(PeerId.isPeerId(Buffer.from('batatas'))).to.equal(false)
+  })
+
+  it('throws on changing the id', async () => {
+    const id = await PeerId.create(testOpts)
+    expect(id.toB58String().length).to.equal(46)
+    expect(() => {
+      id.id = Buffer.from('hello')
+    }).to.throw(/immutable/)
   })
 
   it('recreate an Id from Hex string', () => {
@@ -77,71 +78,68 @@ describe('PeerId', () => {
     expect(testIdB58String).to.equal(id.toB58String())
   })
 
-  it('Recreate from a Public Key', (done) => {
+  it('Recreate from a Public Key', async () => {
-    PeerId.createFromPubKey(testId.pubKey, (err, id) => {
+    const id = await PeerId.createFromPubKey(testId.pubKey)
-      expect(err).to.not.exist()
+    expect(testIdB58String).to.equal(id.toB58String())
-      expect(testIdB58String).to.equal(id.toB58String())
-      done()
-    })
   })
 
-  it('Recreate from a Private Key', (done) => {
+  it('Recreate from a Private Key', async () => {
-    PeerId.createFromPrivKey(testId.privKey, (err, id) => {
+    const id = await PeerId.createFromPrivKey(testId.privKey)
-      expect(err).to.not.exist()
+    expect(testIdB58String).to.equal(id.toB58String())
-      expect(testIdB58String).to.equal(id.toB58String())
+    const encoded = Buffer.from(testId.privKey, 'base64')
-
+    const id2 = await PeerId.createFromPrivKey(encoded)
-      const encoded = Buffer.from(testId.privKey, 'base64')
+    expect(testIdB58String).to.equal(id2.toB58String())
-      PeerId.createFromPrivKey(encoded, (err, id2) => {
+    expect(id.marshalPubKey()).to.deep.equal(id2.marshalPubKey())
-        expect(err).to.not.exist()
-        expect(testIdB58String).to.equal(id2.toB58String())
-        expect(id.marshalPubKey()).to.deep.equal(id2.marshalPubKey())
-        done()
-      })
-    })
   })
 
-  it('Compare generated ID with one created from PubKey', (done) => {
+  it('Recreate from Protobuf', async () => {
-    PeerId.create(testOpts, (err, id1) => {
+    const id = await PeerId.createFromProtobuf(testId.marshaled)
-      expect(err).to.not.exist()
+    expect(testIdB58String).to.equal(id.toB58String())
-
+    const encoded = Buffer.from(testId.privKey, 'base64')
-      PeerId.createFromPubKey(id1.marshalPubKey(), (err, id2) => {
+    const id2 = await PeerId.createFromPrivKey(encoded)
-        expect(err).to.not.exist()
+    expect(testIdB58String).to.equal(id2.toB58String())
-        expect(id1.id).to.be.eql(id2.id)
+    expect(id.marshalPubKey()).to.deep.equal(id2.marshalPubKey())
-        done()
+    expect(id.marshal().toString('hex')).to.deep.equal(testId.marshaled)
-      })
-    })
   })
 
-  it('Works with default options', function (done) {
+  it('can be created from a Secp256k1 public key', async () => {
+    const privKey = await crypto.keys.generateKeyPair('secp256k1', 256)
+    const id = await PeerId.createFromPubKey(privKey.public.bytes)
+    const expB58 = mh.toB58String(mh.encode(id.pubKey.bytes, 'identity'))
+    expect(id.toB58String()).to.equal(expB58)
+  })
+
+  it('can be created from a Secp256k1 private key', async () => {
+    const privKey = await crypto.keys.generateKeyPair('secp256k1', 256)
+    const id = await PeerId.createFromPrivKey(privKey.bytes)
+    const expB58 = mh.toB58String(mh.encode(id.pubKey.bytes, 'identity'))
+    expect(id.toB58String()).to.equal(expB58)
+  })
+
+  it('Compare generated ID with one created from PubKey', async () => {
+    const id1 = await PeerId.create(testOpts)
+    const id2 = await PeerId.createFromPubKey(id1.marshalPubKey())
+    expect(id1.id).to.be.eql(id2.id)
+  })
+
+  it('Works with default options', async function () {
     this.timeout(10000)
-    PeerId.create((err, id) => {
+    const id = await PeerId.create()
-      expect(err).to.not.exist()
+    expect(id.toB58String().length).to.equal(46)
-      expect(id.toB58String().length).to.equal(46)
-      done()
-    })
   })
 
-  it('Non-default # of bits', function (done) {
+  it('Non-default # of bits', async function () {
     this.timeout(1000 * 60)
-    PeerId.create(testOpts, (err, shortId) => {
+    const shortId = await PeerId.create(testOpts)
-      expect(err).to.not.exist()
+    const longId = await PeerId.create({ bits: 1024 })
-      PeerId.create({ bits: 1024 }, (err, longId) => {
+    expect(shortId.privKey.bytes.length).is.below(longId.privKey.bytes.length)
-        expect(err).to.not.exist()
-        expect(shortId.privKey.bytes.length).is.below(longId.privKey.bytes.length)
-        done()
-      })
-    })
   })
 
-  it('Pretty printing', (done) => {
+  it('Pretty printing', async () => {
-    PeerId.create(testOpts, (err, id1) => {
+    const id1 = await PeerId.create(testOpts)
-      expect(err).to.not.exist()
+    const id2 = await PeerId.createFromPrivKey((id1.toJSON()).privKey)
-      PeerId.createFromPrivKey(id1.toPrint().privKey, (err, id2) => {
+    expect(id1.toPrint()).to.be.eql(id2.toPrint())
-        expect(err).to.not.exist()
+    expect(id1.toPrint()).to.equal('<peer.ID ' + id1.toB58String().substr(2, 6) + '>')
-        expect(id1.toPrint()).to.be.eql(id2.toPrint())
-        done()
-      })
-    })
   })
 
   it('toBytes', () => {
@@ -149,120 +147,88 @@ describe('PeerId', () => {
     expect(id.toBytes().toString('hex')).to.equal(testIdBytes.toString('hex'))
   })
 
-  it('isEqual', (done) => {
+  it('isEqual', async () => {
-    parallel([
+    const ids = await Promise.all([
-      (cb) => PeerId.create(testOpts, cb),
+      PeerId.create(testOpts),
-      (cb) => PeerId.create(testOpts, cb)
+      PeerId.create(testOpts)
-    ], (err, ids) => {
+    ])
-      expect(err).to.not.exist()
+
-      expect(ids[0].isEqual(ids[0])).to.equal(true)
+    expect(ids[0].isEqual(ids[0])).to.equal(true)
-      expect(ids[0].isEqual(ids[1])).to.equal(false)
+    expect(ids[0].isEqual(ids[1])).to.equal(false)
-      expect(ids[0].isEqual(ids[0].id)).to.equal(true)
+    expect(ids[0].isEqual(ids[0].id)).to.equal(true)
-      expect(ids[0].isEqual(ids[1].id)).to.equal(false)
+    expect(ids[0].isEqual(ids[1].id)).to.equal(false)
-      done()
-    })
   })
 
   describe('fromJSON', () => {
-    it('full node', (done) => {
+    it('full node', async () => {
-      PeerId.create(testOpts, (err, id) => {
+      const id = await PeerId.create(testOpts)
-        expect(err).to.not.exist()
+      const other = await PeerId.createFromJSON(id.toJSON())
-
+      expect(id.toB58String()).to.equal(other.toB58String())
-        PeerId.createFromJSON(id.toJSON(), (err, other) => {
+      expect(id.privKey.bytes).to.eql(other.privKey.bytes)
-          expect(err).to.not.exist()
+      expect(id.pubKey.bytes).to.eql(other.pubKey.bytes)
-          expect(id.toB58String()).to.equal(other.toB58String())
-          expect(id.privKey.bytes).to.eql(other.privKey.bytes)
-          expect(id.pubKey.bytes).to.eql(other.pubKey.bytes)
-          done()
-        })
-      })
     })
 
-    it('only id', (done) => {
+    it('only id', async () => {
-      crypto.keys.generateKeyPair('RSA', 1024, (err, key) => {
+      const key = await crypto.keys.generateKeyPair('RSA', 1024)
-        expect(err).to.not.exist()
+      const digest = await key.public.hash()
-        key.public.hash((err, digest) => {
+      const id = PeerId.createFromBytes(digest)
-          expect(err).to.not.exist()
+      expect(id.privKey).to.not.exist()
-
+      expect(id.pubKey).to.not.exist()
-          const id = PeerId.createFromBytes(digest)
+      const other = await PeerId.createFromJSON(id.toJSON())
-          expect(id.privKey).to.not.exist()
+      expect(id.toB58String()).to.equal(other.toB58String())
-          expect(id.pubKey).to.not.exist()
-
-          PeerId.createFromJSON(id.toJSON(), (err, other) => {
-            expect(err).to.not.exist()
-            expect(id.toB58String()).to.equal(other.toB58String())
-            done()
-          })
-        })
-      })
     })
 
-    it('go interop', (done) => {
+    it('go interop', async () => {
-      PeerId.createFromJSON(goId, (err, id) => {
+      const id = await PeerId.createFromJSON(goId)
-        expect(err).to.not.exist()
+      const digest = await id.privKey.public.hash()
-        id.privKey.public.hash((err, digest) => {
+      expect(mh.toB58String(digest)).to.eql(goId.id)
-          expect(err).to.not.exist()
-          expect(mh.toB58String(digest)).to.eql(goId.id)
-          done()
-        })
-      })
     })
   })
 
-  it('set privKey (valid)', (done) => {
+  it('set privKey (valid)', async () => {
-    PeerId.create(testOpts, (err, peerId) => {
+    const peerId = await PeerId.create(testOpts)
-      expect(err).to.not.exist()
+    peerId.privKey = peerId._privKey
-      peerId.privKey = peerId._privKey
+    expect(peerId.isValid()).to.equal(true)
-      peerId.isValid(done)
-    })
   })
 
-  it('set pubKey (valid)', (done) => {
+  it('set pubKey (valid)', async () => {
-    PeerId.create(testOpts, (err, peerId) => {
+    const peerId = await PeerId.create(testOpts)
-      expect(err).to.not.exist()
+    peerId.pubKey = peerId._pubKey
-      peerId.pubKey = peerId._pubKey
+    expect(peerId.isValid()).to.equal(true)
-      peerId.isValid(done)
-    })
   })
 
-  it('set privKey (invalid)', (done) => {
+  it('set privKey (invalid)', async () => {
-    PeerId.create(testOpts, (err, peerId) => {
+    const peerId = await PeerId.create(testOpts)
-      expect(err).to.not.exist()
+    peerId.privKey = Buffer.from('bufff')
-      peerId.privKey = Buffer.from('bufff')
+    expect(peerId.isValid()).to.equal(false)
-      peerId.isValid((err) => {
-        expect(err).to.exist()
-        done()
-      })
-    })
   })
 
-  it('set pubKey (invalid)', (done) => {
+  it('set pubKey (invalid)', async () => {
-    PeerId.create(testOpts, (err, peerId) => {
+    const peerId = await PeerId.create(testOpts)
-      expect(err).to.not.exist()
+    peerId.pubKey = Buffer.from('bufff')
-      peerId.pubKey = Buffer.from('buffff')
+    expect(peerId.isValid()).to.equal(false)
-      peerId.isValid((err) => {
-        expect(err).to.exist()
-        done()
-      })
-    })
   })
 
   describe('returns error via cb instead of crashing', () => {
-    const garbage = [Buffer.from('00010203040506070809', 'hex'), {}, null, false, undefined, true, 1, 0, Buffer.from(''), 'aGVsbG93b3JsZA==', 'helloworld', '']
+    const garbage = [
+      Buffer.from('00010203040506070809', 'hex'),
+      {}, null, false, undefined, true, 1, 0,
+      Buffer.from(''), 'aGVsbG93b3JsZA==', 'helloworld', ''
+    ]
 
-    const fncs = ['createFromPubKey', 'createFromPrivKey', 'createFromJSON']
+    const fncs = ['createFromPubKey', 'createFromPrivKey', 'createFromJSON', 'createFromProtobuf']
 
-    garbage.forEach(garbage => {
+    for (const gb of garbage) {
-      fncs.forEach(fnc => {
+      for (const fn of fncs) {
-        it(fnc + '(' + util.inspect(garbage) + ')', cb => {
+        it(`${fn} (${util.inspect(gb)})`, async () => {
-          PeerId[fnc](garbage, (err, res) => {
+          try {
+            await PeerId[fn](gb)
+          } catch (err) {
             expect(err).to.exist()
-            expect(res).to.not.exist()
+          }
-            cb()
-          })
         })
-      })
+      }
-    })
+    }
   })
 
   describe('throws on inconsistent data', () => {
@@ -270,37 +236,30 @@ describe('PeerId', () => {
     let k2
     let k3
 
-    before((done) => {
+    before(async () => {
-      parallel([
+      const keys = await Promise.all([
-        (cb) => crypto.keys.generateKeyPair('RSA', 512, cb),
+        crypto.keys.generateKeyPair('RSA', 512),
-        (cb) => crypto.keys.generateKeyPair('RSA', 512, cb),
+        crypto.keys.generateKeyPair('RSA', 512),
-        (cb) => crypto.keys.generateKeyPair('RSA', 512, cb)
+        crypto.keys.generateKeyPair('RSA', 512)
-      ], (err, keys) => {
+      ])
-        expect(err).to.not.exist()
 
-        k1 = keys[0]
+      k1 = keys[0]
-        k2 = keys[1]
+      k2 = keys[1]
-        k3 = keys[2]
+      k3 = keys[2]
-        done()
-      })
     })
 
-    it('missmatch private - public key', (done) => {
+    it('missmatch private - public key', async () => {
-      k1.public.hash((err, digest) => {
+      const digest = await k1.public.hash()
-        expect(err).to.not.exist()
+      expect(() => {
-        expect(() => new PeerId(digest, k1, k2.public))
+        new PeerId(digest, k1, k2.public) // eslint-disable-line no-new
-          .to.throw(/inconsistent arguments/)
+      }).to.throw(/inconsistent arguments/)
-        done()
-      })
     })
 
-    it('missmatch id - private - public key', (done) => {
+    it('missmatch id - private - public key', async () => {
-      k1.public.hash((err, digest) => {
+      const digest = await k1.public.hash()
-        expect(err).to.not.exist()
+      expect(() => {
-        expect(() => new PeerId(digest, k1, k3.public))
+        new PeerId(digest, k1, k3.public) // eslint-disable-line no-new
-          .to.throw(/inconsistent arguments/)
+      }).to.throw(/inconsistent arguments/)
-        done()
-      })
     })
 
     it('invalid id', () => {