mirror of
https://github.com/fluencelabs/fluence-js.git
synced 2025-05-11 17:07:13 +00:00
49 lines
1.8 KiB
TypeScript
49 lines
1.8 KiB
TypeScript
/*
|
|
* Copyright 2020 Fluence Labs Limited
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
import * as PeerId from 'peer-id';
|
|
import { decode, encode } from 'bs58';
|
|
import { keys } from 'libp2p-crypto';
|
|
|
|
/**
|
|
* Converts seed string which back to peer id. Seed string can be obtained by using @see {@link peerIdToSeed} function
|
|
* @param { string } seed - Seed to convert to peer id
|
|
* @returns { PeerId } - Peer id
|
|
*/
|
|
export const seedToPeerId = async (seed: string): Promise<PeerId> => {
|
|
const seedArr = decode(seed);
|
|
const privateKey = await keys.generateKeyPairFromSeed('Ed25519', Uint8Array.from(seedArr), 256);
|
|
return await PeerId.createFromPrivKey(privateKey.bytes);
|
|
};
|
|
|
|
/**
|
|
* Converts peer id to a string which can be used to restore back to peer id format with. @see {@link seedToPeerId}
|
|
* @param { PeerId } peerId - Peer id to convert to seed
|
|
* @returns { string } - Seed string
|
|
*/
|
|
export const peerIdToSeed = (peerId: PeerId): string => {
|
|
const seedBuf = peerId.privKey.marshal().subarray(0, 32);
|
|
return encode(seedBuf);
|
|
};
|
|
|
|
/**
|
|
* Generates a new peer id with random private key
|
|
* @returns { Promise<PeerId> } - Promise with the created Peer Id
|
|
*/
|
|
export const generatePeerId = async (): Promise<PeerId> => {
|
|
return await PeerId.create({ keyType: 'Ed25519' });
|
|
};
|