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openzeppelin-contracts/test/crowdsale/TimedCrowdsale.test.js

80 lines
3.2 KiB

const { ether } = require('../helpers/ether');
const { advanceBlock } = require('../helpers/advanceToBlock');
const { increaseTimeTo, duration } = require('../helpers/increaseTime');
const { latestTime } = require('../helpers/latestTime');
const { expectThrow } = require('../helpers/expectThrow');
const { EVMRevert } = require('../helpers/EVMRevert');
const BigNumber = web3.BigNumber;
require('chai')
.use(require('chai-bignumber')(BigNumber))
.should();
const TimedCrowdsale = artifacts.require('TimedCrowdsaleImpl');
const SimpleToken = artifacts.require('SimpleToken');
contract('TimedCrowdsale', function ([_, investor, wallet, purchaser]) {
const rate = new BigNumber(1);
const value = ether(42);
const tokenSupply = new BigNumber('1e22');
before(async function () {
// Advance to the next block to correctly read time in the solidity "now" function interpreted by ganache
await advanceBlock();
});
beforeEach(async function () {
this.openingTime = (await latestTime()) + duration.weeks(1);
this.closingTime = this.openingTime + duration.weeks(1);
this.afterClosingTime = this.closingTime + duration.seconds(1);
this.token = await SimpleToken.new();
});
it('rejects an opening time in the past', async function () {
await expectThrow(TimedCrowdsale.new(
(await latestTime()) - duration.days(1), this.closingTime, rate, wallet, this.token.address
), EVMRevert);
});
it('rejects a closing time before the opening time', async function () {
await expectThrow(TimedCrowdsale.new(
this.openingTime, this.openingTime - duration.seconds(1), rate, wallet, this.token.address
), EVMRevert);
});
context('with crowdsale', function () {
beforeEach(async function () {
this.crowdsale = await TimedCrowdsale.new(this.openingTime, this.closingTime, rate, wallet, this.token.address);
await this.token.transfer(this.crowdsale.address, tokenSupply);
});
it('should be ended only after end', async function () {
(await this.crowdsale.hasClosed()).should.equal(false);
await increaseTimeTo(this.afterClosingTime);
(await this.crowdsale.isOpen()).should.equal(false);
(await this.crowdsale.hasClosed()).should.equal(true);
});
describe('accepting payments', function () {
it('should reject payments before start', async function () {
(await this.crowdsale.isOpen()).should.equal(false);
await expectThrow(this.crowdsale.send(value), EVMRevert);
await expectThrow(this.crowdsale.buyTokens(investor, { from: purchaser, value: value }), EVMRevert);
});
it('should accept payments after start', async function () {
await increaseTimeTo(this.openingTime);
(await this.crowdsale.isOpen()).should.equal(true);
await this.crowdsale.send(value);
await this.crowdsale.buyTokens(investor, { value: value, from: purchaser });
});
it('should reject payments after end', async function () {
await increaseTimeTo(this.afterClosingTime);
await expectThrow(this.crowdsale.send(value), EVMRevert);
await expectThrow(this.crowdsale.buyTokens(investor, { value: value, from: purchaser }), EVMRevert);
});
});
});
});