fluence-js/src/__test__/unit/KeyPair.spec.ts

import * as bs58 from 'bs58';
import * as base64 from 'base64-js';
import { KeyPair } from '../../internal/KeyPair';

describe('KeyPair tests', () => {
    it('generate keypair from seed', async function () {
        // arrange
        const random = await KeyPair.randomEd25519();
        const privateKey = random.toEd25519PrivateKey();

        // act
        const keyPair = await KeyPair.fromEd25519SK(privateKey);
        const privateKey2 = keyPair.toEd25519PrivateKey();

        // assert
        expect(privateKey).toStrictEqual(privateKey2);
    });

    it('create keypair from ed25519 private key', async function () {
        // arrange
        const rustSK = 'jDaxLJzYtzgwTMrELJCAqavtmx85ktQNfB2rLcK7MhH';
        const sk = bs58.decode(rustSK);

        // act
        const keyPair = await KeyPair.fromEd25519SK(sk);

        // assert
        const expectedPeerId = '12D3KooWH1W3VznVZ87JH4FwABK4mkntcspTVWJDta6c2xg9Pzbp';
        expect(keyPair.libp2pPeerId.toString()).toStrictEqual(expectedPeerId);
    });

    it('create keypair from a seed phrase', async function () {
        // arrange
        const seedArray = new Uint8Array(32).fill(1);

        // act
        const keyPair = await KeyPair.fromEd25519SK(seedArray);

        // assert
        const expectedPeerId = '12D3KooWK99VoVxNE7XzyBwXEzW7xhK7Gpv85r9F3V3fyKSUKPH5';
        expect(keyPair.libp2pPeerId.toString()).toStrictEqual(expectedPeerId);
    });
});