chore: release version v0.13.10

related to this https://github.com/ipfs/js-ipfs/issues/2924

.travis.yml

@@ -22,7 +22,6 @@ jobs:
 
     - stage: check
       script:
-        - npx aegir commitlint --travis
         - npx aegir dep-check
         - npm run lint
 

CHANGELOG.md

@@ -1,3 +1,88 @@
+<a name="0.13.10"></a>
+## [0.13.10](https://github.com/libp2p/js-peer-id/compare/v0.13.9...v0.13.10) (2020-03-18)
+
+
+### Bug Fixes
+
+* add buffer ([#120](https://github.com/libp2p/js-peer-id/issues/120)) ([c305c36](https://github.com/libp2p/js-peer-id/commit/c305c36))
+
+
+
+<a name="0.13.9"></a>
+## [0.13.9](https://github.com/libp2p/js-peer-id/compare/v0.13.8...v0.13.9) (2020-02-19)
+
+
+
+<a name="0.13.8"></a>
+## [0.13.8](https://github.com/libp2p/js-peer-id/compare/v0.13.6...v0.13.8) (2020-02-18)
+
+
+### Bug Fixes
+
+* remove use of assert module ([#117](https://github.com/libp2p/js-peer-id/issues/117)) ([f44645e](https://github.com/libp2p/js-peer-id/commit/f44645e))
+
+
+### Features
+
+* adds typescript types + type tests ([#110](https://github.com/libp2p/js-peer-id/issues/110)) ([a5070ae](https://github.com/libp2p/js-peer-id/commit/a5070ae))
+
+
+
+<a name="0.13.7"></a>
+## [0.13.7](https://github.com/libp2p/js-peer-id/compare/v0.13.6...v0.13.7) (2020-01-27)
+
+
+### Features
+
+* adds typescript types + type tests ([#110](https://github.com/libp2p/js-peer-id/issues/110)) ([a5070ae](https://github.com/libp2p/js-peer-id/commit/a5070ae))
+
+
+
+<a name="0.13.6"></a>
+## [0.13.6](https://github.com/libp2p/js-peer-id/compare/v0.13.5...v0.13.6) (2019-12-18)
+
+
+### Bug Fixes
+
+* catch errors thrown by multihash decode ([#109](https://github.com/libp2p/js-peer-id/issues/109)) ([65e0b74](https://github.com/libp2p/js-peer-id/commit/65e0b74))
+
+
+
+<a name="0.13.5"></a>
+## [0.13.5](https://github.com/libp2p/js-peer-id/compare/v0.13.4...v0.13.5) (2019-11-12)
+
+
+### Features
+
+* deprecate isEqual in favor of equals ([#107](https://github.com/libp2p/js-peer-id/issues/107)) ([bbf0416](https://github.com/libp2p/js-peer-id/commit/bbf0416))
+
+
+
+<a name="0.13.4"></a>
+## [0.13.4](https://github.com/libp2p/js-peer-id/compare/v0.13.3...v0.13.4) (2019-11-04)
+
+
+### Bug Fixes
+
+* bang in bin.js ([#106](https://github.com/libp2p/js-peer-id/issues/106)) ([11d4ec1](https://github.com/libp2p/js-peer-id/commit/11d4ec1))
+
+
+### Features
+
+* support Peer ID represented as CID ([#105](https://github.com/libp2p/js-peer-id/issues/105)) ([544ca7d](https://github.com/libp2p/js-peer-id/commit/544ca7d))
+
+
+
+<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)
 

README.md

@@ -13,10 +13,13 @@
 
 ## Lead Maintainer
 
-[Pedro Teixeira](https://github.com/pgte)
+[Vasco Santos](https://github.com/vasco-santos)
 
 ## Table of Contents
 
+- [peer-id](#peer-id)
+  - [Lead Maintainer](#lead-maintainer)
+  - [Table of Contents](#table-of-contents)
 - [Description](#description)
 - [Example](#example)
 - [Installation](#installation)
@@ -32,16 +35,23 @@
   - [Import](#import)
     - [`createFromHexString(str)`](#createfromhexstringstr)
     - [`createFromBytes(buf)`](#createfrombytesbuf)
+    - [`createFromCID(cid)`](#createfromcidcid)
     - [`createFromB58String(str)`](#createfromb58stringstr)
     - [`createFromPubKey(pubKey)`](#createfrompubkeypubkey)
     - [`createFromPrivKey(privKey)`](#createfromprivkeyprivkey)
     - [`createFromJSON(obj)`](#createfromjsonobj)
+    - [`createFromProtobuf(buf)`](#createfromprotobufbuf)
   - [Export](#export)
     - [`toHexString()`](#tohexstring)
     - [`toBytes()`](#tobytes)
+    - [`toString()`](#tostring)
     - [`toB58String()`](#tob58string)
     - [`toJSON()`](#tojson)
+    - [`marshal(excludePrivateKey)`](#marshalexcludeprivatekey)
+    - [`marshalPubKey()`](#marshalpubkey)
     - [`toPrint()`](#toprint)
+    - [`equals(id)`](#equalsid)
+    - [`isEqual(id)`](#isequalid)
 - [License](#license)
 
 # Description
@@ -117,7 +127,7 @@ const PeerId = require('peer-id')
 
 ### `new PeerId(id[, privKey, pubKey])`
 
-- `id: Buffer` - The multihash of the publick key as `Buffer`
+- `id: Buffer` - The multihash of the public key as `Buffer`
 - `privKey: RsaPrivateKey` - The private key
 - `pubKey: RsaPublicKey` - The public key
 
@@ -145,6 +155,14 @@ Creates a Peer ID from a buffer representing the key's multihash.
 
 Returns `PeerId`.
 
+### `createFromCID(cid)`
+
+- `cid: CID|String|Buffer` - The multihash encoded as [CID](https://github.com/ipld/js-cid) (object, `String` or `Buffer`)
+
+Creates a Peer ID from a CID representation of the key's multihash ([RFC 0001](https://github.com/libp2p/specs/blob/master/RFC/0001-text-peerid-cid.md)).
+
+Returns `PeerId`.
+
 ### `createFromB58String(str)`
 
 Creates a Peer ID from a Base58 string representing the key's multihash.
@@ -197,9 +215,18 @@ Returns the Peer ID's `id` as a buffer.
 <Buffer 12 20 d6 24 39 98 f2 fc 56 34 3a d7 ed 03 42 ab 78 86 a4 eb 18 d7 36 f1 b6 7d 44 b3 7f cc 81 e0 f3 9f>
 ```
 
+
+### `toString()`
+
+Returns the Peer ID's `id` as a self-describing CIDv1 in Base32 ([RFC 0001](https://github.com/libp2p/specs/blob/master/RFC/0001-text-peerid-cid.md))
+
+```
+bafzbeigweq4zr4x4ky2dvv7nanbkw6egutvrrvzw6g3h2rftp7gidyhtt4
+```
+
 ### `toB58String()`
 
-Returns the Peer ID's `id` as a base58 string.
+Returns the Peer ID's `id` as a base58 string (multihash/CIDv0).
 
 ```
 QmckZzdVd72h9QUFuJJpQqhsZqGLwjhh81qSvZ9BhB2FQi
@@ -213,17 +240,38 @@ 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)`
+### `marshal(excludePrivateKey)`
 
 Returns a protocol-buffers encoded version of the id, public key and, if `excludePrivateKey` is not set, the private key.
 
+### `marshalPubKey()`
+
+Returns a protobuf of just the public key, compatible with `libp2p-crypto` (unlike `marshal` above).
+
+For example:
+```js
+const crypto = require('libp2p-crypto')
+
+PeerId.create({ bits: 256, keyType: 'ed25519' }).then( pid => {
+  let pk = crypto.keys.unmarshalPublicKey(pid.marshalPubKey())
+  // your code here
+}
+```
+
 ### `toPrint()`
 
 Returns the Peer ID as a printable string without the `Qm` prefix.
 
 Example: `<peer.ID xxxxxx>`
 
+### `equals(id)`
+
+Returns `true` if the given PeerId is equal to the current instance.
+
+- `id` can be a PeerId or a Buffer containing the id
+
 ### `isEqual(id)`
+**Deprecation Notice**: Use [`equals`](#equalsid), `isEqual` will be removed in 0.14.0.
 
 - `id` can be a PeerId or a Buffer containing the id
 

package.json

@@ -1,9 +1,10 @@
 {
   "name": "peer-id",
-  "version": "0.13.2",
+  "version": "0.13.10",
   "description": "IPFS Peer Id implementation in Node.js",
-  "leadMaintainer": "Pedro Teixeira <i@pgte.me>",
+  "leadMaintainer": "Vasco Santos <santos.vasco10@gmail.com>",
   "main": "src/index.js",
+  "types": "src/index.d.ts",
   "bin": "src/bin.js",
   "scripts": {
     "lint": "aegir lint",
@@ -11,6 +12,7 @@
     "test": "aegir test",
     "test:node": "aegir test -t node",
     "test:browser": "aegir test -t browser -t webworker",
+    "test:types": "npx tsc",
     "release": "aegir release",
     "release-minor": "aegir release --type minor",
     "release-major": "aegir release --type major",
@@ -34,42 +36,50 @@
   },
   "homepage": "https://github.com/libp2p/js-peer-id",
   "devDependencies": {
-    "aegir": "^19.0.5",
+    "@types/chai": "^4.2.7",
+    "@types/dirty-chai": "^2.0.2",
+    "@types/mocha": "^7.0.2",
+    "aegir": "^21.2.0",
     "bundlesize": "~0.18.0",
     "chai": "^4.2.0",
     "dirty-chai": "^2.0.1"
   },
   "dependencies": {
+    "buffer": "^5.5.0",
+    "cids": "^0.7.3",
     "class-is": "^1.1.0",
-    "libp2p-crypto": "~0.17.0",
+    "libp2p-crypto": "~0.17.3",
     "multihashes": "~0.4.15",
-    "protons": "^1.0.1"
+    "protons": "^1.0.2"
   },
   "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>",
+    "Vasco Santos <vasco.santos@moxy.studio>",
+    "nginnever <ginneversource@gmail.com>",
+    "dignifiedquire <dignifiedquire@gmail.com>",
     "Jacob Heun <jacobheun@gmail.com>",
-    "Maciej Krüger <mkg20001@gmail.com>",
-    "Michael Garvin <gar+gh@danger.computer>",
     "Pedro Teixeira <i@pgte.me>",
+    "Stephen Whitmore <stephen.whitmore@gmail.com>",
+    "Maciej Krüger <mkg20001@gmail.com>",
+    "Hugo Dias <hugomrdias@gmail.com>",
+    "Nate Foss <npfoss@gmail.com>",
+    "Robert Kiel <robert.kiel@validitylabs.org>",
+    "ᴠɪᴄᴛᴏʀ ʙᴊᴇʟᴋʜᴏʟᴍ <victorbjelkholm@gmail.com>",
+    "Arve Knudsen <arve.knudsen@gmail.com>",
+    "Carson Farmer <carson.farmer@gmail.com>",
+    "Christian Paul <info@jaller.de>",
+    "Henrique Dias <hacdias@gmail.com>",
+    "Marcin Rataj <lidel@lidel.org>",
+    "Michael Garvin <gar+gh@danger.computer>",
     "Prashanth Chandra <coolshanth94@gmail.com>",
     "Richard Littauer <richard.littauer@gmail.com>",
     "Richard Schneider <makaretu@gmail.com>",
-    "Stephen Whitmore <stephen.whitmore@gmail.com>",
-    "Vasco Santos <vasco.santos@ua.pt>",
-    "Vasco Santos <vasco.santos@moxy.studio>",
+    "Topper Bowers <topper@quorumcontrol.com>",
     "Yahya <ya7yaz@gmail.com>",
-    "greenkeeperio-bot <support@greenkeeper.io>",
-    "nginnever <ginneversource@gmail.com>",
-    "npmcdn-to-unpkg-bot <npmcdn-to-unpkg-bot@users.noreply.github.com>",
-    "ᴠɪᴄᴛᴏʀ ʙᴊᴇʟᴋʜᴏʟᴍ <victorbjelkholm@gmail.com>"
+    "Alex Potsides <alex@achingbrain.net>"
   ]
 }

src/bin.js

@@ -1,4 +1,4 @@
-#!/usr/local/bin/node
+#!/usr/bin/env node
 
 'use strict'
 

src/index.d.ts

@@ -0,0 +1,188 @@
+import crypto, { PrivateKey, PublicKey, KeyType } from "libp2p-crypto";
+import CID from 'cids'
+
+declare namespace PeerId {
+  /**
+   * Options for PeerId creation.
+   */
+  type CreateOptions = {
+    /**
+     * The number of bits to use.
+     */
+    bits?: number;
+    /**
+     * The type of key to use.
+     */
+    keyType?: KeyType;
+  };
+
+  /**
+   * PeerId JSON format.
+   */
+  type JSONPeerId = {
+    /**
+     * String representation of PeerId.
+     */
+    id: string;
+    /**
+     * Public key.
+     */
+    pubKey?: string;
+    /**
+     * Private key.
+     */
+    privKey: string;
+  };
+
+  /**
+   * Checks if a value is an instance of PeerId.
+   * @param id The value to check.
+   */
+  function isPeerId(id: any): id is PeerId
+
+  /**
+   * Create a new PeerId.
+   * @param opts Options.
+   */
+  function create(opts?: PeerId.CreateOptions): Promise<PeerId>;
+
+  /**
+   * Create PeerId from hex string.
+   * @param str The input hex string.
+   */
+  function createFromHexString(str: string): PeerId;
+  
+  /**
+   * Create PeerId from raw bytes.
+   * @param buf The raw bytes.
+   */
+  function createFromBytes(buf: Buffer): PeerId;
+
+  /**
+   * Create PeerId from base58-encoded string.
+   * @param str The base58-encoded string.
+   */
+  function createFromB58String(str: string): PeerId;
+  
+  /**
+   * Create PeerId from CID.
+   * @param cid The CID.
+   */
+  function createFromCID(cid: CID | Buffer | string | object): PeerId;
+
+  /**
+   * Create PeerId from public key.
+   * @param key Public key, as Buffer or base64-encoded string.
+   */
+  function createFromPubKey(key: Buffer | string): Promise<PeerId>;
+
+  /**
+   * Create PeerId from private key.
+   * @param key Private key, as Buffer or base64-encoded string.
+   */
+  function createFromPrivKey(key: Buffer | string): Promise<PeerId>;
+
+  /**
+   * Create PeerId from PeerId JSON formatted object.
+   * @see {@link PeerId#toJSON}
+   * @param json PeerId in JSON format.
+   */
+  function createFromJSON(json: JSONPeerId): Promise<PeerId>;
+
+  /**
+   * Create PeerId from Protobuf bytes.
+   * @param buf Protobuf bytes, as Buffer or hex-encoded string.
+   */
+  function createFromProtobuf(buf: Buffer | string): Promise<PeerId>;
+}
+
+/**
+ * PeerId is an object representation of a peer identifier.
+ */
+declare class PeerId {
+  constructor(id: Buffer | string, privKey?: PrivateKey, pubKey?: PublicKey);
+
+  /**
+   * Raw id.
+   */
+  readonly id: Buffer;
+
+  /**
+   * Private key.
+   */
+  privKey: PrivateKey;
+
+  /**
+   * Public key.
+   */
+  pubKey: PublicKey;
+
+  /**
+   * Return the protobuf version of the public key, matching go ipfs formatting.
+   */
+  marshalPubKey(): Buffer;
+
+  /**
+   * Return the protobuf version of the private key, matching go ipfs formatting.
+   */
+  marshalPrivKey(): Buffer;
+
+  /**
+   * Return the protobuf version of the peer-id.
+   * @param excludePriv Whether to exclude the private key information from the output.
+   */
+  marshal(excludePriv?: boolean): Buffer;
+
+  /**
+   * String representation.
+   */
+  toPrint(): string;
+
+  /**
+   * Return the jsonified version of the key.
+   * Matches the formatting of go-ipfs for its config file.
+   * @see {@link PeerId.createFromJSON}
+   */
+  toJSON(): PeerId.JSONPeerId;
+
+  /**
+   * Encode to hex.
+   */
+  toHexString(): string;
+
+  /**
+   * Return raw id bytes.
+   */
+  toBytes(): Buffer;
+
+  /**
+   * Encode to base58 string.
+   */
+  toB58String(): string;
+
+  /**
+   * Return self-describing string representation.
+   * Uses default format from RFC 0001: https://github.com/libp2p/specs/pull/209
+   */
+  toString(): string;
+
+  /**
+   * Checks the equality of `this` peer against a given PeerId.
+   * @param id The other PeerId.
+   */
+  equals(id: PeerId | Buffer): boolean;
+
+  /**
+   * Checks the equality of `this` peer against a given PeerId.
+   * @deprecated Use {.equals}
+   * @param id The other PeerId.
+   */
+  isEqual(id: PeerId | Buffer): boolean;
+
+  /**
+   * Check if this PeerId instance is valid (privKey -> pubKey -> Id)
+   */
+  isValid(): boolean;
+}
+
+export = PeerId;

src/index.js

@@ -4,18 +4,21 @@
 
 'use strict'
 
+const { Buffer } = require('buffer')
 const mh = require('multihashes')
+const CID = require('cids')
 const cryptoKeys = require('libp2p-crypto/src/keys')
-const assert = require('assert')
 const withIs = require('class-is')
 const { PeerIdProto } = require('./proto')
 
 class PeerId {
   constructor (id, privKey, pubKey) {
-    assert(Buffer.isBuffer(id), 'invalid id provided')
+    if (!Buffer.isBuffer(id)) {
+      throw new Error('invalid id provided')
+    }
 
-    if (privKey && pubKey) {
-      assert(privKey.public.bytes.equals(pubKey.bytes), 'inconsistent arguments')
+    if (privKey && pubKey && !privKey.public.bytes.equals(pubKey.bytes)) {
+      throw new Error('inconsistent arguments')
     }
 
     this._id = id
@@ -48,6 +51,18 @@ class PeerId {
     if (this._privKey) {
       return this._privKey.public
     }
+
+    try {
+      const decoded = mh.decode(this.id)
+
+      if (decoded.name === 'identity') {
+        this._pubKey = cryptoKeys.unmarshalPublicKey(decoded.digest)
+      }
+    } catch (_) {
+      // Ignore, there is no valid public key
+    }
+
+    return this._pubKey
   }
 
   set pubKey (pubKey) {
@@ -115,7 +130,22 @@ class PeerId {
     return this._idB58String
   }
 
-  isEqual (id) {
+  // return self-describing String representation
+  // in default format from RFC 0001: https://github.com/libp2p/specs/pull/209
+  toString () {
+    if (!this._idCIDString) {
+      const cid = new CID(1, 'libp2p-key', this.id, 'base32')
+      this._idCIDString = cid.toBaseEncodedString('base32')
+    }
+    return this._idCIDString
+  }
+
+  /**
+   * Checks the equality of `this` peer against a given PeerId.
+   * @param {Buffer|PeerId} id
+   * @returns {boolean}
+   */
+  equals (id) {
     if (Buffer.isBuffer(id)) {
       return this.id.equals(id)
     } else if (id.id) {
@@ -125,6 +155,16 @@ class PeerId {
     }
   }
 
+  /**
+   * Checks the equality of `this` peer against a given PeerId.
+   * @deprecated Use `.equals`
+   * @param {Buffer|PeerId} id
+   * @returns {boolean}
+   */
+  isEqual (id) {
+    return this.equals(id)
+  }
+
   /*
    * Check if this PeerId instance is valid (privKey -> pubKey -> Id)
    */
@@ -177,7 +217,18 @@ exports.createFromBytes = (buf) => {
 }
 
 exports.createFromB58String = (str) => {
-  return new PeerIdWithIs(mh.fromB58String(str))
+  return exports.createFromCID(str) // B58String is CIDv0
+}
+
+const validMulticodec = (cid) => {
+  // supported: 'libp2p-key' (CIDv1) and 'dag-pb' (CIDv0 converted to CIDv1)
+  return cid.codec === 'libp2p-key' || cid.codec === 'dag-pb'
+}
+
+exports.createFromCID = (cid) => {
+  cid = CID.isCID(cid) ? cid : new CID(cid)
+  if (!validMulticodec(cid)) throw new Error('Supplied PeerID CID has invalid multicodec: ' + cid.codec)
+  return new PeerIdWithIs(cid.multihash)
 }
 
 // Public Key input will be a buffer
@@ -213,10 +264,10 @@ exports.createFromPrivKey = async (key) => {
 }
 
 exports.createFromJSON = async (obj) => {
-  let id = mh.fromB58String(obj.id)
-  let rawPrivKey = obj.privKey && Buffer.from(obj.privKey, 'base64')
-  let rawPubKey = obj.pubKey && Buffer.from(obj.pubKey, 'base64')
-  let pub = rawPubKey && await cryptoKeys.unmarshalPublicKey(rawPubKey)
+  const id = mh.fromB58String(obj.id)
+  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)

test/peer-id.spec.js

@@ -2,12 +2,14 @@
 /* eslint-env mocha */
 'use strict'
 
+const { Buffer } = require('buffer')
 const chai = require('chai')
 const dirtyChai = require('dirty-chai')
 chai.use(dirtyChai)
 const expect = chai.expect
 const crypto = require('libp2p-crypto')
 const mh = require('multihashes')
+const CID = require('cids')
 
 const PeerId = require('../src')
 
@@ -17,6 +19,8 @@ const testId = require('./fixtures/sample-id')
 const testIdHex = testId.id
 const testIdBytes = mh.fromHexString(testId.id)
 const testIdB58String = mh.toB58String(testIdBytes)
+const testIdCID = new CID(1, 'libp2p-key', testIdBytes)
+const testIdCIDString = testIdCID.toBaseEncodedString('base32')
 
 const goId = require('./fixtures/go-private-key')
 
@@ -42,6 +46,12 @@ describe('PeerId', () => {
     expect(id.toB58String()).to.equal(expB58)
   })
 
+  it('can get the public key from a Secp256k1 key', async () => {
+    const original = await PeerId.create({ keyType: 'secp256k1', bits: 256 })
+    const newId = PeerId.createFromB58String(original.toB58String())
+    expect(original.pubKey.bytes).to.eql(newId.pubKey.bytes)
+  })
+
   it('isPeerId', async () => {
     const id = await PeerId.create(testOpts)
     expect(PeerId.isPeerId(id)).to.equal(true)
@@ -57,27 +67,96 @@ describe('PeerId', () => {
     }).to.throw(/immutable/)
   })
 
-  it('recreate an Id from Hex string', () => {
+  it('recreate from Hex string', () => {
     const id = PeerId.createFromHexString(testIdHex)
-    expect(testIdBytes).to.deep.equal(id.id)
+    expect(testIdBytes).to.deep.equal(id.toBytes())
   })
 
-  it('Recreate an Id from a Buffer', () => {
+  it('recreate from a Buffer', () => {
     const id = PeerId.createFromBytes(testIdBytes)
     expect(testId.id).to.equal(id.toHexString())
+    expect(testIdBytes).to.deep.equal(id.toBytes())
   })
 
-  it('Recreate a B58 String', () => {
+  it('recreate from a B58 String', () => {
     const id = PeerId.createFromB58String(testIdB58String)
     expect(testIdB58String).to.equal(id.toB58String())
+    expect(testIdBytes).to.deep.equal(id.toBytes())
   })
 
-  it('Recreate from a Public Key', async () => {
+  it('recreate from CID object', () => {
+    const id = PeerId.createFromCID(testIdCID)
+    expect(testIdCIDString).to.equal(id.toString())
+    expect(testIdBytes).to.deep.equal(id.toBytes())
+  })
+
+  it('recreate from Base58 String (CIDv0))', () => {
+    const id = PeerId.createFromCID(testIdB58String)
+    expect(testIdCIDString).to.equal(id.toString())
+    expect(testIdBytes).to.deep.equal(id.toBytes())
+  })
+
+  it('recreate from CIDv1 Base32 (libp2p-key multicodec)', () => {
+    const cid = new CID(1, 'libp2p-key', testIdBytes)
+    const cidString = cid.toBaseEncodedString('base32')
+    const id = PeerId.createFromCID(cidString)
+    expect(cidString).to.equal(id.toString())
+    expect(testIdBytes).to.deep.equal(id.toBytes())
+  })
+
+  it('recreate from CIDv1 Base32 (dag-pb multicodec)', () => {
+    const cid = new CID(1, 'dag-pb', testIdBytes)
+    const cidString = cid.toBaseEncodedString('base32')
+    const id = PeerId.createFromCID(cidString)
+    // toString should return CID with multicodec set to libp2p-key
+    expect(new CID(id.toString()).codec).to.equal('libp2p-key')
+    expect(testIdBytes).to.deep.equal(id.toBytes())
+  })
+
+  it('recreate from CID Buffer', () => {
+    const id = PeerId.createFromCID(testIdCID.buffer)
+    expect(testIdCIDString).to.equal(id.toString())
+    expect(testIdBytes).to.deep.equal(id.toBytes())
+  })
+
+  it('throws on invalid CID multicodec', () => {
+    // only libp2p and dag-pb are supported
+    const invalidCID = new CID(1, 'raw', testIdBytes).toBaseEncodedString('base32')
+    expect(() => {
+      PeerId.createFromCID(invalidCID)
+    }).to.throw(/Supplied PeerID CID has invalid multicodec: raw/)
+  })
+
+  it('throws on invalid CID value', () => {
+    // using function code that does not represent valid hash function
+    // https://github.com/multiformats/js-multihash/blob/b85999d5768bf06f1b0f16b926ef2cb6d9c14265/src/constants.js#L345
+    const invalidCID = 'QmaozNR7DZHQK1ZcU9p7QdrshMvXqWK6gpu5rmrkPdT3L'
+    expect(() => {
+      PeerId.createFromCID(invalidCID)
+    }).to.throw(/multihash unknown function code: 0x50/)
+  })
+
+  it('throws on invalid CID object', () => {
+    const invalidCID = {}
+    expect(() => {
+      PeerId.createFromCID(invalidCID)
+    }).to.throw(/Invalid version, must be a number equal to 1 or 0/)
+  })
+
+  it('throws on invalid CID object', () => {
+    const invalidCID = {}
+    expect(() => {
+      PeerId.createFromCID(invalidCID)
+    }).to.throw(/Invalid version, must be a number equal to 1 or 0/)
+  })
+
+  it('recreate from a Public Key', async () => {
     const id = await PeerId.createFromPubKey(testId.pubKey)
     expect(testIdB58String).to.equal(id.toB58String())
+    expect(testIdBytes).to.deep.equal(id.toBytes())
   })
 
-  it('Recreate from a Private Key', async () => {
+  it('recreate from a Private Key', async () => {
     const id = await PeerId.createFromPrivKey(testId.privKey)
     expect(testIdB58String).to.equal(id.toB58String())
     const encoded = Buffer.from(testId.privKey, 'base64')
@@ -86,7 +165,7 @@ describe('PeerId', () => {
     expect(id.marshalPubKey()).to.deep.equal(id2.marshalPubKey())
   })
 
-  it('Recreate from Protobuf', async () => {
+  it('recreate from Protobuf', async () => {
     const id = await PeerId.createFromProtobuf(testId.marshaled)
     expect(testIdB58String).to.equal(id.toB58String())
     const encoded = Buffer.from(testId.privKey, 'base64')
@@ -153,6 +232,18 @@ describe('PeerId', () => {
     expect(ids[0].isEqual(ids[1].id)).to.equal(false)
   })
 
+  it('equals', async () => {
+    const ids = await Promise.all([
+      PeerId.create(testOpts),
+      PeerId.create(testOpts)
+    ])
+
+    expect(ids[0].equals(ids[0])).to.equal(true)
+    expect(ids[0].equals(ids[1])).to.equal(false)
+    expect(ids[0].equals(ids[0].id)).to.equal(true)
+    expect(ids[0].equals(ids[1].id)).to.equal(false)
+  })
+
   describe('fromJSON', () => {
     it('full node', async () => {
       const id = await PeerId.create(testOpts)
@@ -181,24 +272,28 @@ describe('PeerId', () => {
 
   it('set privKey (valid)', async () => {
     const peerId = await PeerId.create(testOpts)
+    // @ts-ignore
     peerId.privKey = peerId._privKey
     expect(peerId.isValid()).to.equal(true)
   })
 
   it('set pubKey (valid)', async () => {
     const peerId = await PeerId.create(testOpts)
+    // @ts-ignore
     peerId.pubKey = peerId._pubKey
     expect(peerId.isValid()).to.equal(true)
   })
 
   it('set privKey (invalid)', async () => {
     const peerId = await PeerId.create(testOpts)
+    // @ts-ignore
     peerId.privKey = Buffer.from('bufff')
     expect(peerId.isValid()).to.equal(false)
   })
 
   it('set pubKey (invalid)', async () => {
     const peerId = await PeerId.create(testOpts)
+    // @ts-ignore
     peerId.pubKey = Buffer.from('bufff')
     expect(peerId.isValid()).to.equal(false)
   })

tsconfig.json

@@ -0,0 +1,37 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "target": "ES5",
+        "noImplicitAny": false,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "esModuleInterop": true,
+        "resolveJsonModule": true,
+        "allowJs": true,
+        "checkJs": true,
+        "baseUrl": ".",
+        "paths": {
+            "peer-id": [
+                "./src",
+                "../src",
+            ]
+        },
+        "types": [
+            "node",
+            "mocha",
+            "chai"
+        ],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "./src/index.d.ts",
+    ],
+    "include": [
+        "./test/**/*.spec.js"
+    ]
+}