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114 lines
4.6 KiB
114 lines
4.6 KiB
import ether from '../helpers/ether';
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import { advanceBlock } from '../helpers/advanceToBlock';
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import { increaseTimeTo, duration } from '../helpers/increaseTime';
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import latestTime from '../helpers/latestTime';
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import EVMRevert from '../helpers/EVMRevert';
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const BigNumber = web3.BigNumber;
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require('chai')
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.use(require('chai-as-promised'))
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.use(require('chai-bignumber')(BigNumber))
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.should();
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const SampleCrowdsale = artifacts.require('SampleCrowdsale');
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const SampleCrowdsaleToken = artifacts.require('SampleCrowdsaleToken');
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const RefundVault = artifacts.require('RefundVault');
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contract('SampleCrowdsale', function ([owner, wallet, investor]) {
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const RATE = new BigNumber(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 testrpc
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await advanceBlock();
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});
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beforeEach(async function () {
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this.openingTime = latestTime() + duration.weeks(1);
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this.closingTime = this.openingTime + duration.weeks(1);
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this.afterClosingTime = this.closingTime + duration.seconds(1);
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this.token = await SampleCrowdsaleToken.new({ from: owner });
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this.vault = await RefundVault.new(wallet, { from: owner });
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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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);
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await this.token.transferOwnership(this.crowdsale.address);
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await this.vault.transferOwnership(this.crowdsale.address);
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});
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it('should create crowdsale with correct parameters', async function () {
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this.crowdsale.should.exist;
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this.token.should.exist;
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const openingTime = await this.crowdsale.openingTime();
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const closingTime = await this.crowdsale.closingTime();
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const rate = await this.crowdsale.rate();
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const walletAddress = await this.crowdsale.wallet();
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const goal = await this.crowdsale.goal();
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const cap = await this.crowdsale.cap();
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openingTime.should.be.bignumber.equal(this.openingTime);
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closingTime.should.be.bignumber.equal(this.closingTime);
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rate.should.be.bignumber.equal(RATE);
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walletAddress.should.be.equal(wallet);
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goal.should.be.bignumber.equal(GOAL);
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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 this.crowdsale.send(ether(1)).should.be.rejectedWith(EVMRevert);
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await this.crowdsale.buyTokens(investor, { from: investor, value: ether(1) }).should.be.rejectedWith(EVMRevert);
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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 increaseTimeTo(this.openingTime);
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await this.crowdsale.buyTokens(investor, { value: investmentAmount, from: investor }).should.be.fulfilled;
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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 increaseTimeTo(this.afterEnd);
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await this.crowdsale.send(ether(1)).should.be.rejectedWith(EVMRevert);
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await this.crowdsale.buyTokens(investor, { value: ether(1), from: investor }).should.be.rejectedWith(EVMRevert);
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});
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it('should reject payments over cap', async function () {
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await increaseTimeTo(this.openingTime);
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await this.crowdsale.send(CAP);
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await this.crowdsale.send(1).should.be.rejectedWith(EVMRevert);
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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 increaseTimeTo(this.openingTime);
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await this.crowdsale.send(GOAL);
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const beforeFinalization = web3.eth.getBalance(wallet);
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await increaseTimeTo(this.afterClosingTime);
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await this.crowdsale.finalize({ from: owner });
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const afterFinalization = web3.eth.getBalance(wallet);
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afterFinalization.minus(beforeFinalization).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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const balanceBeforeInvestment = web3.eth.getBalance(investor);
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await increaseTimeTo(this.openingTime);
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await this.crowdsale.sendTransaction({ value: ether(1), from: investor, gasPrice: 0 });
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await increaseTimeTo(this.afterClosingTime);
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await this.crowdsale.finalize({ from: owner });
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await this.crowdsale.claimRefund({ from: investor, gasPrice: 0 }).should.be.fulfilled;
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const balanceAfterRefund = web3.eth.getBalance(investor);
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balanceBeforeInvestment.should.be.bignumber.equal(balanceAfterRefund);
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});
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});
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