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105 lines
4.2 KiB
105 lines
4.2 KiB
import moment from 'moment'
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import ether from './helpers/ether'
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import {advanceBlock} from './helpers/advanceToBlock'
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import increaseTime from './helpers/increaseTime'
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import latestTime from './helpers/latestTime'
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import EVMThrow from './helpers/EVMThrow'
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const BigNumber = web3.BigNumber;
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const should = 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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contract('Crowdsale', 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.startTime = latestTime().unix() + moment.duration(1, 'week').asSeconds();
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this.endTime = latestTime().unix() + moment.duration(2, 'week').asSeconds();
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this.crowdsale = await SampleCrowdsale.new(this.startTime, this.endTime, RATE, GOAL, CAP, wallet);
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this.token = SampleCrowdsaleToken.at(await this.crowdsale.token());
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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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(await this.crowdsale.startTime()).should.be.bignumber.equal(this.startTime);
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(await this.crowdsale.endTime()).should.be.bignumber.equal(this.endTime);
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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 this.crowdsale.send(ether(1)).should.be.rejectedWith(EVMThrow);
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await this.crowdsale.buyTokens(investor, {from: investor, value: ether(1)}).should.be.rejectedWith(EVMThrow);
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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 increaseTime(moment.duration(1, 'week'));
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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 increaseTime(moment.duration(2.1, 'week'));
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await this.crowdsale.send(ether(1)).should.be.rejectedWith(EVMThrow);
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await this.crowdsale.buyTokens(investor, {value: ether(1), from: investor}).should.be.rejectedWith(EVMThrow);
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});
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it('should reject payments over cap', async function () {
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await increaseTime(moment.duration(1, 'week'));
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await this.crowdsale.send(CAP);
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await this.crowdsale.send(1).should.be.rejectedWith(EVMThrow);
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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 increaseTime(moment.duration(1, 'week'));
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await this.crowdsale.send(GOAL);
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const beforeFinalization = web3.eth.getBalance(wallet);
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await increaseTime(moment.duration(1.1, 'week'));
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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 increaseTime(moment.duration(1, 'week'));
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await this.crowdsale.sendTransaction({value: ether(1), from: investor, gasPrice: 0});
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await increaseTime(moment.duration(1.1, 'week'));
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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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