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104 lines
3.6 KiB
104 lines
3.6 KiB
const { ether } = require('../helpers/ether');
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const { balanceDifference } = require('../helpers/balanceDifference');
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const shouldFail = require('../helpers/shouldFail');
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const time = require('../helpers/time');
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const { ethGetBalance } = require('../helpers/web3');
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const { BigNumber } = require('../helpers/setup');
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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 time.advanceBlock();
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});
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beforeEach(async function () {
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this.openingTime = (await time.latest()) + time.duration.weeks(1);
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this.closingTime = this.openingTime + time.duration.weeks(1);
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this.afterClosingTime = this.closingTime + time.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 shouldFail.reverting(
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RefundableCrowdsaleImpl.new(this.openingTime, this.closingTime, rate, wallet, this.token.address, 0)
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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 shouldFail.reverting(this.crowdsale.claimRefund(investor));
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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 time.increaseTo(this.openingTime);
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});
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it('denies refunds', async function () {
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await shouldFail.reverting(this.crowdsale.claimRefund(investor));
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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 time.increaseTo(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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(await balanceDifference(investor, () =>
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this.crowdsale.claimRefund(investor, { gasPrice: 0 }))
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).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 time.increaseTo(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 shouldFail.reverting(this.crowdsale.claimRefund(investor));
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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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