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86 lines
3.2 KiB
86 lines
3.2 KiB
const { constants, expectRevert } = require('@openzeppelin/test-helpers');
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const { expect } = require('chai');
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const { getChainId } = require('../../helpers/chainid');
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const { BNsum } = require('../../helpers/math');
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require('array.prototype.at/auto');
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const { shouldBehaveLikeVotes } = require('./Votes.behavior');
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const Votes = artifacts.require('$VotesMock');
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contract('Votes', function (accounts) {
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const [account1, account2, account3] = accounts;
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const amounts = {
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[account1]: web3.utils.toBN('10000000000000000000000000'),
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[account2]: web3.utils.toBN('10'),
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[account3]: web3.utils.toBN('20'),
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};
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beforeEach(async function () {
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this.name = 'My Vote';
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this.votes = await Votes.new(this.name, '1');
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});
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it('starts with zero votes', async function () {
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expect(await this.votes.getTotalSupply()).to.be.bignumber.equal('0');
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});
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describe('performs voting operations', function () {
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beforeEach(async function () {
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this.txs = [];
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for (const [account, amount] of Object.entries(amounts)) {
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this.txs.push(await this.votes.$_mint(account, amount));
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}
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});
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it('reverts if block number >= current block', async function () {
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await expectRevert(
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this.votes.getPastTotalSupply(this.txs.at(-1).receipt.blockNumber + 1),
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'Checkpoints: block not yet mined',
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);
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});
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it('delegates', async function () {
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expect(await this.votes.getVotes(account1)).to.be.bignumber.equal('0');
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expect(await this.votes.getVotes(account2)).to.be.bignumber.equal('0');
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expect(await this.votes.delegates(account1)).to.be.equal(constants.ZERO_ADDRESS);
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expect(await this.votes.delegates(account2)).to.be.equal(constants.ZERO_ADDRESS);
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await this.votes.delegate(account1, account1);
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expect(await this.votes.getVotes(account1)).to.be.bignumber.equal(amounts[account1]);
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expect(await this.votes.getVotes(account2)).to.be.bignumber.equal('0');
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expect(await this.votes.delegates(account1)).to.be.equal(account1);
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expect(await this.votes.delegates(account2)).to.be.equal(constants.ZERO_ADDRESS);
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await this.votes.delegate(account2, account1);
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expect(await this.votes.getVotes(account1)).to.be.bignumber.equal(amounts[account1].add(amounts[account2]));
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expect(await this.votes.getVotes(account2)).to.be.bignumber.equal('0');
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expect(await this.votes.delegates(account1)).to.be.equal(account1);
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expect(await this.votes.delegates(account2)).to.be.equal(account1);
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});
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it('cross delegates', async function () {
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await this.votes.delegate(account1, account2);
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await this.votes.delegate(account2, account1);
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expect(await this.votes.getVotes(account1)).to.be.bignumber.equal(amounts[account2]);
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expect(await this.votes.getVotes(account2)).to.be.bignumber.equal(amounts[account1]);
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});
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it('returns total amount of votes', async function () {
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const totalSupply = BNsum(...Object.values(amounts));
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expect(await this.votes.getTotalSupply()).to.be.bignumber.equal(totalSupply);
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});
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});
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describe('performs voting workflow', function () {
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beforeEach(async function () {
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this.chainId = await getChainId();
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});
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shouldBehaveLikeVotes(accounts, Object.values(amounts));
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});
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});
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