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92 lines
3.7 KiB
92 lines
3.7 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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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 IncreasingPriceCrowdsale = artifacts.require('IncreasingPriceCrowdsaleImpl');
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const SimpleToken = artifacts.require('SimpleToken');
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contract('IncreasingPriceCrowdsale', function ([_, investor, wallet, purchaser]) {
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const value = ether(1);
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const tokenSupply = new BigNumber('1e22');
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describe('rate during crowdsale should change at a fixed step every block', async function () {
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let balance;
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const initialRate = new BigNumber(9166);
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const finalRate = new BigNumber(5500);
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const rateAtTime150 = new BigNumber(9166);
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const rateAtTime300 = new BigNumber(9165);
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const rateAtTime1500 = new BigNumber(9157);
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const rateAtTime30 = new BigNumber(9166);
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const rateAtTime150000 = new BigNumber(8257);
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const rateAtTime450000 = new BigNumber(6439);
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beforeEach(async function () {
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await advanceBlock();
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this.startTime = latestTime() + duration.weeks(1);
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this.closingTime = this.startTime + duration.weeks(1);
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this.afterClosingTime = this.closingTime + duration.seconds(1);
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this.token = await SimpleToken.new();
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this.crowdsale = await IncreasingPriceCrowdsale.new(
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this.startTime, this.closingTime, wallet, this.token.address, initialRate, finalRate
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);
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await this.token.transfer(this.crowdsale.address, tokenSupply);
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});
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it('at start', async function () {
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await increaseTimeTo(this.startTime);
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await this.crowdsale.buyTokens(investor, { value, from: purchaser });
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balance = await this.token.balanceOf(investor);
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balance.should.be.bignumber.equal(value.mul(initialRate));
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});
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it('at time 150', async function () {
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await increaseTimeTo(this.startTime + 150);
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await this.crowdsale.buyTokens(investor, { value, from: purchaser });
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balance = await this.token.balanceOf(investor);
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balance.should.be.bignumber.equal(value.mul(rateAtTime150));
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});
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it('at time 300', async function () {
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await increaseTimeTo(this.startTime + 300);
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await this.crowdsale.buyTokens(investor, { value, from: purchaser });
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balance = await this.token.balanceOf(investor);
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balance.should.be.bignumber.equal(value.mul(rateAtTime300));
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});
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it('at time 1500', async function () {
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await increaseTimeTo(this.startTime + 1500);
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await this.crowdsale.buyTokens(investor, { value, from: purchaser });
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balance = await this.token.balanceOf(investor);
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balance.should.be.bignumber.equal(value.mul(rateAtTime1500));
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});
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it('at time 30', async function () {
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await increaseTimeTo(this.startTime + 30);
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await this.crowdsale.buyTokens(investor, { value, from: purchaser });
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balance = await this.token.balanceOf(investor);
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balance.should.be.bignumber.equal(value.mul(rateAtTime30));
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});
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it('at time 150000', async function () {
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await increaseTimeTo(this.startTime + 150000);
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await this.crowdsale.buyTokens(investor, { value, from: purchaser });
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balance = await this.token.balanceOf(investor);
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balance.should.be.bignumber.equal(value.mul(rateAtTime150000));
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});
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it('at time 450000', async function () {
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await increaseTimeTo(this.startTime + 450000);
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await this.crowdsale.buyTokens(investor, { value, from: purchaser });
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balance = await this.token.balanceOf(investor);
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balance.should.be.bignumber.equal(value.mul(rateAtTime450000));
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});
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});
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});
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