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72 lines
2.8 KiB
JavaScript
72 lines
2.8 KiB
JavaScript
1 year ago
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const { BN, expectRevert, time } = require('@openzeppelin/test-helpers');
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const { expect } = require('chai');
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const ERC20 = artifacts.require('$ERC20');
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const TokenTimelock = artifacts.require('TokenTimelock');
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contract('TokenTimelock', function (accounts) {
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const [beneficiary] = accounts;
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const name = 'My Token';
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const symbol = 'MTKN';
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const amount = new BN(100);
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context('with token', function () {
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beforeEach(async function () {
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this.token = await ERC20.new(name, symbol);
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});
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it('rejects a release time in the past', async function () {
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const pastReleaseTime = (await time.latest()).sub(time.duration.years(1));
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await expectRevert(
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TokenTimelock.new(this.token.address, beneficiary, pastReleaseTime),
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'TokenTimelock: release time is before current time',
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);
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});
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context('once deployed', function () {
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beforeEach(async function () {
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this.releaseTime = (await time.latest()).add(time.duration.years(1));
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this.timelock = await TokenTimelock.new(this.token.address, beneficiary, this.releaseTime);
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await this.token.$_mint(this.timelock.address, amount);
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});
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it('can get state', async function () {
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expect(await this.timelock.token()).to.equal(this.token.address);
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expect(await this.timelock.beneficiary()).to.equal(beneficiary);
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expect(await this.timelock.releaseTime()).to.be.bignumber.equal(this.releaseTime);
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});
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it('cannot be released before time limit', async function () {
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await expectRevert(this.timelock.release(), 'TokenTimelock: current time is before release time');
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});
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it('cannot be released just before time limit', async function () {
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await time.increaseTo(this.releaseTime.sub(time.duration.seconds(3)));
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await expectRevert(this.timelock.release(), 'TokenTimelock: current time is before release time');
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});
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it('can be released just after limit', async function () {
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await time.increaseTo(this.releaseTime.add(time.duration.seconds(1)));
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await this.timelock.release();
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expect(await this.token.balanceOf(beneficiary)).to.be.bignumber.equal(amount);
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});
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it('can be released after time limit', async function () {
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await time.increaseTo(this.releaseTime.add(time.duration.years(1)));
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await this.timelock.release();
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expect(await this.token.balanceOf(beneficiary)).to.be.bignumber.equal(amount);
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});
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it('cannot be released twice', async function () {
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await time.increaseTo(this.releaseTime.add(time.duration.years(1)));
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await this.timelock.release();
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await expectRevert(this.timelock.release(), 'TokenTimelock: no tokens to release');
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expect(await this.token.balanceOf(beneficiary)).to.be.bignumber.equal(amount);
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});
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});
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});
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});
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