leap-node/src/validator/periods/checkEnoughVotes.test.js

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/**
 * Copyright (c) 2018-present, Leap DAO (leapdao.org)
 *
 * This source code is licensed under the Mozilla Public License Version 2.0
 * found in the LICENSE file in the root directory of this source tree.
 */

const checkEnoughVotes = require('./checkEnoughVotes');
const { range } = require('../../utils');

const ADDR = '0xb8205608d54cb81f44f263be086027d8610f3c94';
const TENDER_KEY = '0x7640D69D9EDB21592CBDF4CC49956EA53E59656FC2D8BBD1AE3F427BF67D47FA'.toLowerCase();

const slots = num =>
  range(0, num - 1).map(id => ({
    id,
    tenderKey: TENDER_KEY,
    signerAddr: ADDR,
    eventsCount: 1,
  }));

const proposal = votesNumber => ({
  blocksRoot: '0x123',
  votes: votesNumber > 0 ? range(0, votesNumber - 1) : [],
});

describe('checkEnoughVotes', () => {
  test('3/4 is enough', () => {
    expect(checkEnoughVotes('0x123', proposal(3), slots(4))).toEqual({
      result: true,
      votes: 3,
      needed: 3,
    });
  });

  test('2/4 is not enough', () => {
    expect(checkEnoughVotes('0x123', proposal(2), slots(4))).toEqual({
      result: false,
      votes: 2,
      needed: 3,
    });
  });

  test('2/3 is not enough', () => {
    expect(checkEnoughVotes('0x123', proposal(2), slots(3))).toEqual({
      result: false,
      votes: 2,
      needed: 3,
    });
  });

  test('3/3 is enough', () => {
    expect(checkEnoughVotes('0x123', proposal(3), slots(3))).toEqual({
      result: true,
      votes: 3,
      needed: 3,
    });
  });

  test('0/2 is not enough', () => {
    expect(checkEnoughVotes('0x123', proposal(0), slots(2))).toEqual({
      result: false,
      votes: 0,
      needed: 2,
    });
  });

  test('non-proposed blocks root', () => {
    expect(checkEnoughVotes('0x456', proposal(2), slots(2))).toEqual({
      result: false,
      votes: 0,
      needed: 2,
    });
  });

  test('2/2 is enough for slot list with gap', () => {
    expect(
      checkEnoughVotes('0x123', proposal(2), [{ id: 0 }, null, { id: 2 }])
    ).toEqual({
      result: true,
      votes: 2,
      needed: 2,
    });
  });
});