@libp2p/peer-id - npm Package Compare versions

Comparing version 4.2.4 to 5.0.0-1210884ed

dist/src/index.d.ts

@@ -16,22 +16,16 @@ /**
  */
-import { type Ed25519PeerId, type PeerIdType, type RSAPeerId, type URLPeerId, type Secp256k1PeerId } from '@libp2p/interface';
-import { CID } from 'multiformats/cid';
-import type { MultibaseDecoder } from 'multiformats/bases/interface';
+import { type CID, type MultibaseDecoder } from 'multiformats/cid';
+import type { Ed25519PeerId, RSAPeerId, URLPeerId, Secp256k1PeerId, PeerId, PublicKey, Ed25519PublicKey, Secp256k1PublicKey, RSAPublicKey, Ed25519PrivateKey, Secp256k1PrivateKey, RSAPrivateKey, PrivateKey } from '@libp2p/interface';
 import type { MultihashDigest } from 'multiformats/hashes/interface';
-interface PeerIdInit {
-    type: PeerIdType;
-    multihash: MultihashDigest;
-    privateKey?: Uint8Array;
-}
-export declare function createPeerId(init: PeerIdInit): Ed25519PeerId | Secp256k1PeerId | RSAPeerId;
-export declare function peerIdFromPeerId(other: any): Ed25519PeerId | Secp256k1PeerId | RSAPeerId;
 export declare function peerIdFromString(str: string, decoder?: MultibaseDecoder<any>): Ed25519PeerId | Secp256k1PeerId | RSAPeerId | URLPeerId;
-export declare function peerIdFromBytes(buf: Uint8Array): Ed25519PeerId | Secp256k1PeerId | RSAPeerId | URLPeerId;
+export declare function peerIdFromPublicKey(publicKey: Ed25519PublicKey): Ed25519PeerId;
+export declare function peerIdFromPublicKey(publicKey: Secp256k1PublicKey): Secp256k1PeerId;
+export declare function peerIdFromPublicKey(publicKey: RSAPublicKey): RSAPeerId;
+export declare function peerIdFromPublicKey(publicKey: PublicKey): PeerId;
+export declare function peerIdFromPrivateKey(privateKey: Ed25519PrivateKey): Ed25519PeerId;
+export declare function peerIdFromPrivateKey(privateKey: Secp256k1PrivateKey): Secp256k1PeerId;
+export declare function peerIdFromPrivateKey(privateKey: RSAPrivateKey): RSAPeerId;
+export declare function peerIdFromPrivateKey(privateKey: PrivateKey): PeerId;
+export declare function peerIdFromMultihash(multihash: MultihashDigest): PeerId;
 export declare function peerIdFromCID(cid: CID): Ed25519PeerId | Secp256k1PeerId | RSAPeerId | URLPeerId;
-/**
- * @param publicKey - A marshalled public key
- * @param privateKey - A marshalled private key
- */
-export declare function peerIdFromKeys(publicKey: Uint8Array, privateKey?: Uint8Array): Promise<Ed25519PeerId | Secp256k1PeerId | RSAPeerId>;
-export {};
 //# sourceMappingURL=index.d.ts.map

dist/src/index.js

@@ -16,255 +16,91 @@ /**
  */
-import { CodeError } from '@libp2p/interface';
-import { peerIdSymbol } from '@libp2p/interface';
+import { publicKeyFromMultihash } from '@libp2p/crypto/keys';
+import { InvalidCIDError, InvalidMultihashError, InvalidParametersError, UnsupportedKeyTypeError } from '@libp2p/interface';
 import { base58btc } from 'multiformats/bases/base58';
-import { bases } from 'multiformats/basics';
-import { CID } from 'multiformats/cid';
+import {} from 'multiformats/cid';
 import * as Digest from 'multiformats/hashes/digest';
 import { identity } from 'multiformats/hashes/identity';
 import { sha256 } from 'multiformats/hashes/sha2';
-import { equals as uint8ArrayEquals } from 'uint8arrays/equals';
-import { fromString as uint8ArrayFromString } from 'uint8arrays/from-string';
 import { toString as uint8ArrayToString } from 'uint8arrays/to-string';
-const inspect = Symbol.for('nodejs.util.inspect.custom');
-const baseDecoder = Object
-    .values(bases)
-    .map(codec => codec.decoder)
-    // @ts-expect-error https://github.com/multiformats/js-multiformats/issues/141
-    .reduce((acc, curr) => acc.or(curr), bases.identity.decoder);
+import { RSAPeerId as RSAPeerIdClass, Ed25519PeerId as Ed25519PeerIdClass, Secp256k1PeerId as Secp256k1PeerIdClass, URLPeerId as URLPeerIdClass } from './peer-id.js';
 // these values are from https://github.com/multiformats/multicodec/blob/master/table.csv
 const LIBP2P_KEY_CODE = 0x72;
-const MARSHALLED_ED225519_PUBLIC_KEY_LENGTH = 36;
-const MARSHALLED_SECP256K1_PUBLIC_KEY_LENGTH = 37;
-class PeerIdImpl {
-    type;
-    multihash;
-    privateKey;
-    publicKey;
-    string;
-    constructor(init) {
-        this.type = init.type;
-        this.multihash = init.multihash;
-        this.privateKey = init.privateKey;
-        // mark string cache as non-enumerable
-        Object.defineProperty(this, 'string', {
-            enumerable: false,
-            writable: true
-        });
-    }
-    get [Symbol.toStringTag]() {
-        return `PeerId(${this.toString()})`;
-    }
-    [peerIdSymbol] = true;
-    toString() {
-        if (this.string == null) {
-            this.string = base58btc.encode(this.multihash.bytes).slice(1);
-        }
-        return this.string;
-    }
-    // return self-describing String representation
-    // in default format from RFC 0001: https://github.com/libp2p/specs/pull/209
-    toCID() {
-        return CID.createV1(LIBP2P_KEY_CODE, this.multihash);
-    }
-    toBytes() {
-        return this.multihash.bytes;
-    }
-    /**
-     * Returns Multiaddr as a JSON string
-     */
-    toJSON() {
-        return this.toString();
-    }
-    /**
-     * Checks the equality of `this` peer against a given PeerId
-     */
-    equals(id) {
-        if (id == null) {
-            return false;
-        }
-        if (id instanceof Uint8Array) {
-            return uint8ArrayEquals(this.multihash.bytes, id);
-        }
-        else if (typeof id === 'string') {
-            return peerIdFromString(id).equals(this);
-        }
-        else if (id?.multihash?.bytes != null) {
-            return uint8ArrayEquals(this.multihash.bytes, id.multihash.bytes);
-        }
-        else {
-            throw new Error('not valid Id');
-        }
-    }
-    /**
-     * Returns PeerId as a human-readable string
-     * https://nodejs.org/api/util.html#utilinspectcustom
-     *
-     * @example
-     * ```TypeScript
-     * import { peerIdFromString } from '@libp2p/peer-id'
-     *
-     * console.info(peerIdFromString('QmFoo'))
-     * // 'PeerId(QmFoo)'
-     * ```
-     */
-    [inspect]() {
-        return `PeerId(${this.toString()})`;
-    }
-}
-class RSAPeerIdImpl extends PeerIdImpl {
-    type = 'RSA';
-    publicKey;
-    constructor(init) {
-        super({ ...init, type: 'RSA' });
-        this.publicKey = init.publicKey;
-    }
-}
-class Ed25519PeerIdImpl extends PeerIdImpl {
-    type = 'Ed25519';
-    publicKey;
-    constructor(init) {
-        super({ ...init, type: 'Ed25519' });
-        this.publicKey = init.multihash.digest;
-    }
-}
-class Secp256k1PeerIdImpl extends PeerIdImpl {
-    type = 'secp256k1';
-    publicKey;
-    constructor(init) {
-        super({ ...init, type: 'secp256k1' });
-        this.publicKey = init.multihash.digest;
-    }
-}
-// these values are from https://github.com/multiformats/multicodec/blob/master/table.csv
 const TRANSPORT_IPFS_GATEWAY_HTTP_CODE = 0x0920;
-class URLPeerIdImpl {
-    type = 'url';
-    multihash;
-    privateKey;
-    publicKey;
-    url;
-    constructor(url) {
-        this.url = url.toString();
-        this.multihash = identity.digest(uint8ArrayFromString(this.url));
+export function peerIdFromString(str, decoder) {
+    let multihash;
+    if (str.charAt(0) === '1' || str.charAt(0) === 'Q') {
+        // identity hash ed25519/secp256k1 key or sha2-256 hash of
+        // rsa public key - base58btc encoded either way
+        multihash = Digest.decode(base58btc.decode(`z${str}`));
     }
-    [inspect]() {
-        return `PeerId(${this.url})`;
-    }
-    [peerIdSymbol] = true;
-    toString() {
-        return this.toCID().toString();
-    }
-    toCID() {
-        return CID.createV1(TRANSPORT_IPFS_GATEWAY_HTTP_CODE, this.multihash);
-    }
-    toBytes() {
-        return this.toCID().bytes;
-    }
-    equals(other) {
-        if (other == null) {
-            return false;
+    else {
+        if (decoder == null) {
+            throw new InvalidParametersError('Please pass a multibase decoder for strings that do not start with "1" or "Q"');
         }
-        if (other instanceof Uint8Array) {
-            other = uint8ArrayToString(other);
-        }
-        return other.toString() === this.toString();
+        multihash = Digest.decode(decoder.decode(str));
     }
+    return peerIdFromMultihash(multihash);
 }
-export function createPeerId(init) {
-    if (init.type === 'RSA') {
-        return new RSAPeerIdImpl(init);
+export function peerIdFromPublicKey(publicKey) {
+    if (publicKey.type === 'Ed25519') {
+        return new Ed25519PeerIdClass({
+            multihash: publicKey.toCID().multihash,
+            publicKey
+        });
     }
-    if (init.type === 'Ed25519') {
-        return new Ed25519PeerIdImpl(init);
+    else if (publicKey.type === 'secp256k1') {
+        return new Secp256k1PeerIdClass({
+            multihash: publicKey.toCID().multihash,
+            publicKey
+        });
     }
-    if (init.type === 'secp256k1') {
-        return new Secp256k1PeerIdImpl(init);
+    else if (publicKey.type === 'RSA') {
+        return new RSAPeerIdClass({
+            multihash: publicKey.toCID().multihash,
+            publicKey
+        });
     }
-    throw new CodeError('Type must be "RSA", "Ed25519" or "secp256k1"', 'ERR_INVALID_PARAMETERS');
+    throw new UnsupportedKeyTypeError();
 }
-export function peerIdFromPeerId(other) {
-    if (other.type === 'RSA') {
-        return new RSAPeerIdImpl(other);
-    }
-    if (other.type === 'Ed25519') {
-        return new Ed25519PeerIdImpl(other);
-    }
-    if (other.type === 'secp256k1') {
-        return new Secp256k1PeerIdImpl(other);
-    }
-    throw new CodeError('Not a PeerId', 'ERR_INVALID_PARAMETERS');
+export function peerIdFromPrivateKey(privateKey) {
+    return peerIdFromPublicKey(privateKey.publicKey);
 }
-export function peerIdFromString(str, decoder) {
-    decoder = decoder ?? baseDecoder;
-    if (str.charAt(0) === '1' || str.charAt(0) === 'Q') {
-        // identity hash ed25519/secp256k1 key or sha2-256 hash of
-        // rsa public key - base58btc encoded either way
-        const multihash = Digest.decode(base58btc.decode(`z${str}`));
-        if (str.startsWith('12D')) {
-            return new Ed25519PeerIdImpl({ multihash });
-        }
-        else if (str.startsWith('16U')) {
-            return new Secp256k1PeerIdImpl({ multihash });
-        }
-        else {
-            return new RSAPeerIdImpl({ multihash });
-        }
+export function peerIdFromMultihash(multihash) {
+    if (isSha256Multihash(multihash)) {
+        return new RSAPeerIdClass({ multihash });
     }
-    return peerIdFromBytes(baseDecoder.decode(str));
-}
-export function peerIdFromBytes(buf) {
-    try {
-        const multihash = Digest.decode(buf);
-        if (multihash.code === identity.code) {
-            if (multihash.digest.length === MARSHALLED_ED225519_PUBLIC_KEY_LENGTH) {
-                return new Ed25519PeerIdImpl({ multihash });
+    else if (isIdentityMultihash(multihash)) {
+        try {
+            const publicKey = publicKeyFromMultihash(multihash);
+            if (publicKey.type === 'Ed25519') {
+                return new Ed25519PeerIdClass({ multihash, publicKey });
             }
-            else if (multihash.digest.length === MARSHALLED_SECP256K1_PUBLIC_KEY_LENGTH) {
-                return new Secp256k1PeerIdImpl({ multihash });
+            else if (publicKey.type === 'secp256k1') {
+                return new Secp256k1PeerIdClass({ multihash, publicKey });
             }
         }
-        if (multihash.code === sha256.code) {
-            return new RSAPeerIdImpl({ multihash });
+        catch (err) {
+            // was not Ed or secp key, try URL
+            const url = uint8ArrayToString(multihash.digest);
+            return new URLPeerIdClass(new URL(url));
         }
     }
-    catch {
-        return peerIdFromCID(CID.decode(buf));
-    }
-    throw new Error('Supplied PeerID CID is invalid');
+    throw new InvalidMultihashError('Supplied PeerID Multihash is invalid');
 }
 export function peerIdFromCID(cid) {
     if (cid?.multihash == null || cid.version == null || (cid.version === 1 && (cid.code !== LIBP2P_KEY_CODE) && cid.code !== TRANSPORT_IPFS_GATEWAY_HTTP_CODE)) {
-        throw new Error('Supplied PeerID CID is invalid');
+        throw new InvalidCIDError('Supplied PeerID CID is invalid');
     }
     if (cid.code === TRANSPORT_IPFS_GATEWAY_HTTP_CODE) {
         const url = uint8ArrayToString(cid.multihash.digest);
-        return new URLPeerIdImpl(new URL(url));
+        return new URLPeerIdClass(new URL(url));
     }
-    const multihash = cid.multihash;
-    if (multihash.code === sha256.code) {
-        return new RSAPeerIdImpl({ multihash: cid.multihash });
-    }
-    else if (multihash.code === identity.code) {
-        if (multihash.digest.length === MARSHALLED_ED225519_PUBLIC_KEY_LENGTH) {
-            return new Ed25519PeerIdImpl({ multihash: cid.multihash });
-        }
-        else if (multihash.digest.length === MARSHALLED_SECP256K1_PUBLIC_KEY_LENGTH) {
-            return new Secp256k1PeerIdImpl({ multihash: cid.multihash });
-        }
-    }
-    throw new Error('Supplied PeerID CID is invalid');
+    return peerIdFromMultihash(cid.multihash);
 }
-/**
- * @param publicKey - A marshalled public key
- * @param privateKey - A marshalled private key
- */
-export async function peerIdFromKeys(publicKey, privateKey) {
-    if (publicKey.length === MARSHALLED_ED225519_PUBLIC_KEY_LENGTH) {
-        return new Ed25519PeerIdImpl({ multihash: Digest.create(identity.code, publicKey), privateKey });
-    }
-    if (publicKey.length === MARSHALLED_SECP256K1_PUBLIC_KEY_LENGTH) {
-        return new Secp256k1PeerIdImpl({ multihash: Digest.create(identity.code, publicKey), privateKey });
-    }
-    return new RSAPeerIdImpl({ multihash: await sha256.digest(publicKey), publicKey, privateKey });
+function isIdentityMultihash(multihash) {
+    return multihash.code === identity.code;
 }
+function isSha256Multihash(multihash) {
+    return multihash.code === sha256.code;
+}
 //# sourceMappingURL=index.js.map

package.json

 {
   "name": "@libp2p/peer-id",
-  "version": "4.2.4",
+  "version": "5.0.0-1210884ed",
   "description": "Implementation of @libp2p/interface-peer-id",
@@ -57,3 +57,4 @@ "license": "Apache-2.0 OR MIT",
   "dependencies": {
-    "@libp2p/interface": "^1.7.0",
+    "@libp2p/crypto": "5.0.0-1210884ed",
+    "@libp2p/interface": "2.0.0-1210884ed",
     "multiformats": "^13.1.0",
@@ -60,0 +61,0 @@ "uint8arrays": "^5.1.0"

src/index.ts

@@ -17,289 +17,90 @@ /**
 
-import { CodeError } from '@libp2p/interface'
-import { type Ed25519PeerId, type PeerIdType, type RSAPeerId, type URLPeerId, type Secp256k1PeerId, peerIdSymbol, type PeerId } from '@libp2p/interface'
+import { publicKeyFromMultihash } from '@libp2p/crypto/keys'
+import { InvalidCIDError, InvalidMultihashError, InvalidParametersError, UnsupportedKeyTypeError } from '@libp2p/interface'
 import { base58btc } from 'multiformats/bases/base58'
-import { bases } from 'multiformats/basics'
-import { CID } from 'multiformats/cid'
+import { type CID, type MultibaseDecoder } from 'multiformats/cid'
 import * as Digest from 'multiformats/hashes/digest'
 import { identity } from 'multiformats/hashes/identity'
 import { sha256 } from 'multiformats/hashes/sha2'
-import { equals as uint8ArrayEquals } from 'uint8arrays/equals'
-import { fromString as uint8ArrayFromString } from 'uint8arrays/from-string'
 import { toString as uint8ArrayToString } from 'uint8arrays/to-string'
-import type { MultibaseDecoder } from 'multiformats/bases/interface'
+import { RSAPeerId as RSAPeerIdClass, Ed25519PeerId as Ed25519PeerIdClass, Secp256k1PeerId as Secp256k1PeerIdClass, URLPeerId as URLPeerIdClass } from './peer-id.js'
+import type { Ed25519PeerId, RSAPeerId, URLPeerId, Secp256k1PeerId, PeerId, PublicKey, Ed25519PublicKey, Secp256k1PublicKey, RSAPublicKey, Ed25519PrivateKey, Secp256k1PrivateKey, RSAPrivateKey, PrivateKey } from '@libp2p/interface'
 import type { MultihashDigest } from 'multiformats/hashes/interface'
 
-const inspect = Symbol.for('nodejs.util.inspect.custom')
-
-const baseDecoder = Object
-  .values(bases)
-  .map(codec => codec.decoder)
-  // @ts-expect-error https://github.com/multiformats/js-multiformats/issues/141
-  .reduce((acc, curr) => acc.or(curr), bases.identity.decoder)
-
 // these values are from https://github.com/multiformats/multicodec/blob/master/table.csv
 const LIBP2P_KEY_CODE = 0x72
-
-const MARSHALLED_ED225519_PUBLIC_KEY_LENGTH = 36
-const MARSHALLED_SECP256K1_PUBLIC_KEY_LENGTH = 37
-
-interface PeerIdInit {
-  type: PeerIdType
-  multihash: MultihashDigest
-  privateKey?: Uint8Array
-}
-
-interface RSAPeerIdInit {
-  multihash: MultihashDigest
-  privateKey?: Uint8Array
-  publicKey?: Uint8Array
-}
-
-interface Ed25519PeerIdInit {
-  multihash: MultihashDigest
-  privateKey?: Uint8Array
-}
-
-interface Secp256k1PeerIdInit {
-  multihash: MultihashDigest
-  privateKey?: Uint8Array
-}
-
-class PeerIdImpl {
-  public type: PeerIdType
-  public readonly multihash: MultihashDigest
-  public readonly privateKey?: Uint8Array
-  public readonly publicKey?: Uint8Array
-  private string?: string
-
-  constructor (init: PeerIdInit) {
-    this.type = init.type
-    this.multihash = init.multihash
-    this.privateKey = init.privateKey
-
-    // mark string cache as non-enumerable
-    Object.defineProperty(this, 'string', {
-      enumerable: false,
-      writable: true
-    })
-  }
-
-  get [Symbol.toStringTag] (): string {
-    return `PeerId(${this.toString()})`
-  }
-
-  readonly [peerIdSymbol] = true
-
-  toString (): string {
-    if (this.string == null) {
-      this.string = base58btc.encode(this.multihash.bytes).slice(1)
-    }
-
-    return this.string
-  }
-
-  // return self-describing String representation
-  // in default format from RFC 0001: https://github.com/libp2p/specs/pull/209
-  toCID (): CID {
-    return CID.createV1(LIBP2P_KEY_CODE, this.multihash)
-  }
-
-  toBytes (): Uint8Array {
-    return this.multihash.bytes
-  }
-
-  /**
-   * Returns Multiaddr as a JSON string
-   */
-  toJSON (): string {
-    return this.toString()
-  }
-
-  /**
-   * Checks the equality of `this` peer against a given PeerId
-   */
-  equals (id?: PeerId | Uint8Array | string): boolean {
-    if (id == null) {
-      return false
-    }
-
-    if (id instanceof Uint8Array) {
-      return uint8ArrayEquals(this.multihash.bytes, id)
-    } else if (typeof id === 'string') {
-      return peerIdFromString(id).equals(this as PeerId)
-    } else if (id?.multihash?.bytes != null) {
-      return uint8ArrayEquals(this.multihash.bytes, id.multihash.bytes)
-    } else {
-      throw new Error('not valid Id')
-    }
-  }
-
-  /**
-   * Returns PeerId as a human-readable string
-   * https://nodejs.org/api/util.html#utilinspectcustom
-   *
-   * @example
-   * ```TypeScript
-   * import { peerIdFromString } from '@libp2p/peer-id'
-   *
-   * console.info(peerIdFromString('QmFoo'))
-   * // 'PeerId(QmFoo)'
-   * ```
-   */
-  [inspect] (): string {
-    return `PeerId(${this.toString()})`
-  }
-}
-
-class RSAPeerIdImpl extends PeerIdImpl implements RSAPeerId {
-  public readonly type = 'RSA'
-  public readonly publicKey?: Uint8Array
-
-  constructor (init: RSAPeerIdInit) {
-    super({ ...init, type: 'RSA' })
-
-    this.publicKey = init.publicKey
-  }
-}
-
-class Ed25519PeerIdImpl extends PeerIdImpl implements Ed25519PeerId {
-  public readonly type = 'Ed25519'
-  public readonly publicKey: Uint8Array
-
-  constructor (init: Ed25519PeerIdInit) {
-    super({ ...init, type: 'Ed25519' })
-
-    this.publicKey = init.multihash.digest
-  }
-}
-
-class Secp256k1PeerIdImpl extends PeerIdImpl implements Secp256k1PeerId {
-  public readonly type = 'secp256k1'
-  public readonly publicKey: Uint8Array
-
-  constructor (init: Secp256k1PeerIdInit) {
-    super({ ...init, type: 'secp256k1' })
-
-    this.publicKey = init.multihash.digest
-  }
-}
-
-// these values are from https://github.com/multiformats/multicodec/blob/master/table.csv
 const TRANSPORT_IPFS_GATEWAY_HTTP_CODE = 0x0920
 
-class URLPeerIdImpl implements URLPeerId {
-  readonly type = 'url'
-  readonly multihash: MultihashDigest
-  readonly privateKey?: Uint8Array
-  readonly publicKey?: Uint8Array
-  readonly url: string
+export function peerIdFromString (str: string, decoder?: MultibaseDecoder<any>): Ed25519PeerId | Secp256k1PeerId | RSAPeerId | URLPeerId {
+  let multihash: MultihashDigest
 
-  constructor (url: URL) {
-    this.url = url.toString()
-    this.multihash = identity.digest(uint8ArrayFromString(this.url))
-  }
-
-  [inspect] (): string {
-    return `PeerId(${this.url})`
-  }
-
-  readonly [peerIdSymbol] = true
-
-  toString (): string {
-    return this.toCID().toString()
-  }
-
-  toCID (): CID {
-    return CID.createV1(TRANSPORT_IPFS_GATEWAY_HTTP_CODE, this.multihash)
-  }
-
-  toBytes (): Uint8Array {
-    return this.toCID().bytes
-  }
-
-  equals (other?: PeerId | Uint8Array | string): boolean {
-    if (other == null) {
-      return false
+  if (str.charAt(0) === '1' || str.charAt(0) === 'Q') {
+    // identity hash ed25519/secp256k1 key or sha2-256 hash of
+    // rsa public key - base58btc encoded either way
+    multihash = Digest.decode(base58btc.decode(`z${str}`))
+  } else {
+    if (decoder == null) {
+      throw new InvalidParametersError('Please pass a multibase decoder for strings that do not start with "1" or "Q"')
     }
 
-    if (other instanceof Uint8Array) {
-      other = uint8ArrayToString(other)
-    }
-
-    return other.toString() === this.toString()
+    multihash = Digest.decode(decoder.decode(str))
   }
-}
 
-export function createPeerId (init: PeerIdInit): Ed25519PeerId | Secp256k1PeerId | RSAPeerId {
-  if (init.type === 'RSA') {
-    return new RSAPeerIdImpl(init)
-  }
-
-  if (init.type === 'Ed25519') {
-    return new Ed25519PeerIdImpl(init)
-  }
-
-  if (init.type === 'secp256k1') {
-    return new Secp256k1PeerIdImpl(init)
-  }
-
-  throw new CodeError('Type must be "RSA", "Ed25519" or "secp256k1"', 'ERR_INVALID_PARAMETERS')
+  return peerIdFromMultihash(multihash)
 }
 
-export function peerIdFromPeerId (other: any): Ed25519PeerId | Secp256k1PeerId | RSAPeerId {
-  if (other.type === 'RSA') {
-    return new RSAPeerIdImpl(other)
+export function peerIdFromPublicKey (publicKey: Ed25519PublicKey): Ed25519PeerId
+export function peerIdFromPublicKey (publicKey: Secp256k1PublicKey): Secp256k1PeerId
+export function peerIdFromPublicKey (publicKey: RSAPublicKey): RSAPeerId
+export function peerIdFromPublicKey (publicKey: PublicKey): PeerId
+export function peerIdFromPublicKey (publicKey: PublicKey): PeerId {
+  if (publicKey.type === 'Ed25519') {
+    return new Ed25519PeerIdClass({
+      multihash: publicKey.toCID().multihash,
+      publicKey
+    })
+  } else if (publicKey.type === 'secp256k1') {
+    return new Secp256k1PeerIdClass({
+      multihash: publicKey.toCID().multihash,
+      publicKey
+    })
+  } else if (publicKey.type === 'RSA') {
+    return new RSAPeerIdClass({
+      multihash: publicKey.toCID().multihash,
+      publicKey
+    })
   }
 
-  if (other.type === 'Ed25519') {
-    return new Ed25519PeerIdImpl(other)
-  }
-
-  if (other.type === 'secp256k1') {
-    return new Secp256k1PeerIdImpl(other)
-  }
-
-  throw new CodeError('Not a PeerId', 'ERR_INVALID_PARAMETERS')
+  throw new UnsupportedKeyTypeError()
 }
 
-export function peerIdFromString (str: string, decoder?: MultibaseDecoder<any>): Ed25519PeerId | Secp256k1PeerId | RSAPeerId | URLPeerId {
-  decoder = decoder ?? baseDecoder
-
-  if (str.charAt(0) === '1' || str.charAt(0) === 'Q') {
-    // identity hash ed25519/secp256k1 key or sha2-256 hash of
-    // rsa public key - base58btc encoded either way
-    const multihash = Digest.decode(base58btc.decode(`z${str}`))
-
-    if (str.startsWith('12D')) {
-      return new Ed25519PeerIdImpl({ multihash })
-    } else if (str.startsWith('16U')) {
-      return new Secp256k1PeerIdImpl({ multihash })
-    } else {
-      return new RSAPeerIdImpl({ multihash })
-    }
-  }
-
-  return peerIdFromBytes(baseDecoder.decode(str))
+export function peerIdFromPrivateKey (privateKey: Ed25519PrivateKey): Ed25519PeerId
+export function peerIdFromPrivateKey (privateKey: Secp256k1PrivateKey): Secp256k1PeerId
+export function peerIdFromPrivateKey (privateKey: RSAPrivateKey): RSAPeerId
+export function peerIdFromPrivateKey (privateKey: PrivateKey): PeerId
+export function peerIdFromPrivateKey (privateKey: PrivateKey): PeerId {
+  return peerIdFromPublicKey(privateKey.publicKey)
 }
 
-export function peerIdFromBytes (buf: Uint8Array): Ed25519PeerId | Secp256k1PeerId | RSAPeerId | URLPeerId {
-  try {
-    const multihash = Digest.decode(buf)
+export function peerIdFromMultihash (multihash: MultihashDigest): PeerId {
+  if (isSha256Multihash(multihash)) {
+    return new RSAPeerIdClass({ multihash })
+  } else if (isIdentityMultihash(multihash)) {
+    try {
+      const publicKey = publicKeyFromMultihash(multihash)
 
-    if (multihash.code === identity.code) {
-      if (multihash.digest.length === MARSHALLED_ED225519_PUBLIC_KEY_LENGTH) {
-        return new Ed25519PeerIdImpl({ multihash })
-      } else if (multihash.digest.length === MARSHALLED_SECP256K1_PUBLIC_KEY_LENGTH) {
-        return new Secp256k1PeerIdImpl({ multihash })
+      if (publicKey.type === 'Ed25519') {
+        return new Ed25519PeerIdClass({ multihash, publicKey })
+      } else if (publicKey.type === 'secp256k1') {
+        return new Secp256k1PeerIdClass({ multihash, publicKey })
       }
-    }
+    } catch (err) {
+      // was not Ed or secp key, try URL
+      const url = uint8ArrayToString(multihash.digest)
 
-    if (multihash.code === sha256.code) {
-      return new RSAPeerIdImpl({ multihash })
+      return new URLPeerIdClass(new URL(url))
     }
-  } catch {
-    return peerIdFromCID(CID.decode(buf))
   }
 
-  throw new Error('Supplied PeerID CID is invalid')
+  throw new InvalidMultihashError('Supplied PeerID Multihash is invalid')
 }
@@ -309,3 +110,3 @@
   if (cid?.multihash == null || cid.version == null || (cid.version === 1 && (cid.code !== LIBP2P_KEY_CODE) && cid.code !== TRANSPORT_IPFS_GATEWAY_HTTP_CODE)) {
-    throw new Error('Supplied PeerID CID is invalid')
+    throw new InvalidCIDError('Supplied PeerID CID is invalid')
   }
@@ -316,34 +117,14 @@
 
-    return new URLPeerIdImpl(new URL(url))
+    return new URLPeerIdClass(new URL(url))
   }
 
-  const multihash = cid.multihash
+  return peerIdFromMultihash(cid.multihash)
+}
 
-  if (multihash.code === sha256.code) {
-    return new RSAPeerIdImpl({ multihash: cid.multihash })
-  } else if (multihash.code === identity.code) {
-    if (multihash.digest.length === MARSHALLED_ED225519_PUBLIC_KEY_LENGTH) {
-      return new Ed25519PeerIdImpl({ multihash: cid.multihash })
-    } else if (multihash.digest.length === MARSHALLED_SECP256K1_PUBLIC_KEY_LENGTH) {
-      return new Secp256k1PeerIdImpl({ multihash: cid.multihash })
-    }
-  }
-
-  throw new Error('Supplied PeerID CID is invalid')
+function isIdentityMultihash (multihash: MultihashDigest): multihash is MultihashDigest<0x0> {
+  return multihash.code === identity.code
 }
 
-/**
- * @param publicKey - A marshalled public key
- * @param privateKey - A marshalled private key
- */
-export async function peerIdFromKeys (publicKey: Uint8Array, privateKey?: Uint8Array): Promise<Ed25519PeerId | Secp256k1PeerId | RSAPeerId> {
-  if (publicKey.length === MARSHALLED_ED225519_PUBLIC_KEY_LENGTH) {
-    return new Ed25519PeerIdImpl({ multihash: Digest.create(identity.code, publicKey), privateKey })
-  }
-
-  if (publicKey.length === MARSHALLED_SECP256K1_PUBLIC_KEY_LENGTH) {
-    return new Secp256k1PeerIdImpl({ multihash: Digest.create(identity.code, publicKey), privateKey })
-  }
-
-  return new RSAPeerIdImpl({ multihash: await sha256.digest(publicKey), publicKey, privateKey })
+function isSha256Multihash (multihash: MultihashDigest): multihash is MultihashDigest<0x12> {
+  return multihash.code === sha256.code
 }

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Improved metrics

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increased by114.46%

Number of package files

14

increased by40%

Lines of code

993

increased by46.68%

Published versions last months

37

increased by2.78%

Published versions last year

316

increased by1.28%

Worsened metrics

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increased by33.33%

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Dependency changes

• + Added@libp2p/crypto@5.0.0-1210884ed

• + Added@libp2p/crypto@5.0.0-1210884ed(transitive)

• + Added@libp2p/interface@2.0.0-1210884ed(transitive)

• + Added@noble/curves@1.7.0(transitive)

• + Added@noble/hashes@1.6.01.6.1(transitive)

• + Addedasn1js@3.0.5(transitive)

• + Addedprotons-runtime@5.5.0(transitive)

• + Addedpvtsutils@1.3.6(transitive)

• + Addedpvutils@1.1.3(transitive)

• + Addedtslib@2.8.1(transitive)

• - Removed@libp2p/interface@1.7.0(transitive)

• Updated@libp2p/interface@2.0.0-1210884ed