@parity/api/src/util/sha3.spec.ts

The Parity Promise-based API library for interfacing with Ethereum over RPC

// Copyright 2015-2019 Parity Technologies (UK) Ltd.
// This file is part of Parity.
//
// SPDX-License-Identifier: MIT

import { sha3, sha3Text } from './sha3';

describe('util/sha3', () => {
  describe('sha3', () => {
    it('constructs a correct sha3 value', () => {
      expect(sha3('jacogr')).toEqual(
        '0x2f4ff4b5a87abbd2edfed699db48a97744e028c7f7ce36444d40d29d792aa4dc'
      );
    });

    it('constructs a correct sha3 encoded as hex', () => {
      const key =
        '000000000000000000000000391694e7e0b0cce554cb130d723a9d27458f9298' +
        '0000000000000000000000000000000000000000000000000000000000000001';

      expect(sha3(key, { encoding: 'hex' })).toEqual(
        '0x6661e9d6d8b923d5bbaab1b96e1dd51ff6ea2a93520fdc9eb75d059238b8c5e9'
      );
      expect(sha3(`0x${key}`, { encoding: 'hex' })).toEqual(
        '0x6661e9d6d8b923d5bbaab1b96e1dd51ff6ea2a93520fdc9eb75d059238b8c5e9'
      );
    });

    it('constructs a correct sha3 from Uint8Array', () => {
      expect(sha3('01020304', { encoding: 'hex' })).toEqual(
        '0xa6885b3731702da62e8e4a8f584ac46a7f6822f4e2ba50fba902f67b1588d23b'
      );
      // @ts-ignore TODO Add Uint8Array as Bytes type too
      expect(sha3(Uint8Array.from([1, 2, 3, 4]))).toEqual(
        '0xa6885b3731702da62e8e4a8f584ac46a7f6822f4e2ba50fba902f67b1588d23b'
      );
    });

    it('should interpret as bytes by default', () => {
      expect(sha3('0x01020304')).toEqual(
        '0xa6885b3731702da62e8e4a8f584ac46a7f6822f4e2ba50fba902f67b1588d23b'
      );
    });

    it('should force text if option is passed', () => {
      expect(sha3('0x01020304', { encoding: 'raw' })).toEqual(
        '0x16bff43de576d28857dcba65a56fc17c5e93c09bd6a709268eff8e62025ae869'
      );
      expect(sha3Text('0x01020304')).toEqual(
        '0x16bff43de576d28857dcba65a56fc17c5e93c09bd6a709268eff8e62025ae869'
      );
    });
  });
});