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114 lines
3.9 KiB
114 lines
3.9 KiB
const { ether } = require('../helpers/ether');
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const { advanceBlock } = require('../helpers/advanceToBlock');
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const { increaseTimeTo, duration } = require('../helpers/increaseTime');
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const { latestTime } = require('../helpers/latestTime');
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const { expectThrow } = require('../helpers/expectThrow');
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const { EVMRevert } = require('../helpers/EVMRevert');
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const { ethGetBalance } = require('../helpers/web3');
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const BigNumber = web3.BigNumber;
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require('chai')
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.use(require('chai-bignumber')(BigNumber))
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.should();
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const RefundableCrowdsaleImpl = artifacts.require('RefundableCrowdsaleImpl');
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const SimpleToken = artifacts.require('SimpleToken');
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contract('RefundableCrowdsale', function ([_, wallet, investor, purchaser, anyone]) {
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const rate = new BigNumber(1);
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const goal = ether(50);
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const lessThanGoal = ether(45);
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const tokenSupply = new BigNumber('1e22');
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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 advanceBlock();
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});
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beforeEach(async function () {
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this.openingTime = (await 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.preWalletBalance = await ethGetBalance(wallet);
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this.token = await SimpleToken.new();
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});
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it('rejects a goal of zero', async function () {
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await expectThrow(
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RefundableCrowdsaleImpl.new(
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this.openingTime, this.closingTime, rate, wallet, this.token.address, 0,
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),
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EVMRevert,
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);
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});
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context('with crowdsale', function () {
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beforeEach(async function () {
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this.crowdsale = await RefundableCrowdsaleImpl.new(
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this.openingTime, this.closingTime, rate, wallet, this.token.address, goal
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);
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await this.token.transfer(this.crowdsale.address, tokenSupply);
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});
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context('before opening time', function () {
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it('denies refunds', async function () {
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await expectThrow(this.crowdsale.claimRefund(investor), EVMRevert);
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});
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});
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context('after opening time', function () {
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beforeEach(async function () {
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await increaseTimeTo(this.openingTime);
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});
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it('denies refunds', async function () {
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await expectThrow(this.crowdsale.claimRefund(investor), EVMRevert);
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});
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context('with unreached goal', function () {
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beforeEach(async function () {
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await this.crowdsale.sendTransaction({ value: lessThanGoal, from: investor });
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});
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context('after closing time and finalization', function () {
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beforeEach(async function () {
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await increaseTimeTo(this.afterClosingTime);
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await this.crowdsale.finalize({ from: anyone });
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});
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it('refunds', async function () {
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const pre = await ethGetBalance(investor);
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await this.crowdsale.claimRefund(investor, { gasPrice: 0 });
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const post = await ethGetBalance(investor);
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post.minus(pre).should.be.bignumber.equal(lessThanGoal);
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});
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});
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});
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context('with reached goal', function () {
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beforeEach(async function () {
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await this.crowdsale.sendTransaction({ value: goal, from: investor });
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});
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context('after closing time and finalization', function () {
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beforeEach(async function () {
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await increaseTimeTo(this.afterClosingTime);
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await this.crowdsale.finalize({ from: anyone });
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});
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it('denies refunds', async function () {
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await expectThrow(this.crowdsale.claimRefund(investor), EVMRevert);
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});
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it('forwards funds to wallet', async function () {
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const postWalletBalance = await ethGetBalance(wallet);
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postWalletBalance.minus(this.preWalletBalance).should.be.bignumber.equal(goal);
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});
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});
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});
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});
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});
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});
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