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102 lines
4.1 KiB
102 lines
4.1 KiB
const { BN, balance, ether, should, shouldFail, time } = require('openzeppelin-test-helpers');
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const SampleCrowdsale = artifacts.require('SampleCrowdsale');
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const SampleCrowdsaleToken = artifacts.require('SampleCrowdsaleToken');
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contract('SampleCrowdsale', function ([_, deployer, owner, wallet, investor]) {
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const RATE = new BN(10);
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const GOAL = ether('10');
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const CAP = ether('20');
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before(async function () {
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// Advance to the next block to correctly read time in the solidity "now" function interpreted by ganache
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await time.advanceBlock();
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});
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beforeEach(async function () {
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this.openingTime = (await time.latest()).add(time.duration.weeks(1));
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this.closingTime = this.openingTime.add(time.duration.weeks(1));
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this.afterClosingTime = this.closingTime.add(time.duration.seconds(1));
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this.token = await SampleCrowdsaleToken.new({ from: deployer });
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this.crowdsale = await SampleCrowdsale.new(
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this.openingTime, this.closingTime, RATE, wallet, CAP, this.token.address, GOAL,
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{ from: owner }
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);
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await this.token.addMinter(this.crowdsale.address, { from: deployer });
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await this.token.renounceMinter({ from: deployer });
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});
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it('should create crowdsale with correct parameters', async function () {
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should.exist(this.crowdsale);
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should.exist(this.token);
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(await this.crowdsale.openingTime()).should.be.bignumber.equal(this.openingTime);
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(await this.crowdsale.closingTime()).should.be.bignumber.equal(this.closingTime);
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(await this.crowdsale.rate()).should.be.bignumber.equal(RATE);
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(await this.crowdsale.wallet()).should.be.equal(wallet);
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(await this.crowdsale.goal()).should.be.bignumber.equal(GOAL);
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(await this.crowdsale.cap()).should.be.bignumber.equal(CAP);
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});
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it('should not accept payments before start', async function () {
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await shouldFail.reverting(this.crowdsale.send(ether('1')));
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await shouldFail.reverting(this.crowdsale.buyTokens(investor, { from: investor, value: ether('1') }));
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});
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it('should accept payments during the sale', async function () {
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const investmentAmount = ether('1');
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const expectedTokenAmount = RATE.mul(investmentAmount);
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await time.increaseTo(this.openingTime);
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await this.crowdsale.buyTokens(investor, { value: investmentAmount, from: investor });
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(await this.token.balanceOf(investor)).should.be.bignumber.equal(expectedTokenAmount);
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(await this.token.totalSupply()).should.be.bignumber.equal(expectedTokenAmount);
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});
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it('should reject payments after end', async function () {
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await time.increaseTo(this.afterClosingTime);
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await shouldFail.reverting(this.crowdsale.send(ether('1')));
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await shouldFail.reverting(this.crowdsale.buyTokens(investor, { value: ether('1'), from: investor }));
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});
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it('should reject payments over cap', async function () {
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await time.increaseTo(this.openingTime);
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await this.crowdsale.send(CAP);
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await shouldFail.reverting(this.crowdsale.send(1));
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});
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it('should allow finalization and transfer funds to wallet if the goal is reached', async function () {
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await time.increaseTo(this.openingTime);
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await this.crowdsale.send(GOAL);
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(await balance.difference(wallet, async () => {
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await time.increaseTo(this.afterClosingTime);
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await this.crowdsale.finalize({ from: owner });
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})).should.be.bignumber.equal(GOAL);
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});
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it('should allow refunds if the goal is not reached', async function () {
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(await balance.difference(investor, async () => {
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await time.increaseTo(this.openingTime);
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await this.crowdsale.sendTransaction({ value: ether('1'), from: investor, gasPrice: 0 });
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await time.increaseTo(this.afterClosingTime);
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await this.crowdsale.finalize({ from: owner });
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await this.crowdsale.claimRefund(investor, { gasPrice: 0 });
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})).should.be.bignumber.equal('0');
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});
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describe('when goal > cap', function () {
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// goal > cap
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const HIGH_GOAL = ether('30');
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it('creation reverts', async function () {
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await shouldFail.reverting(SampleCrowdsale.new(
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this.openingTime, this.closingTime, RATE, wallet, CAP, this.token.address, HIGH_GOAL
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));
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});
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});
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});
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