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83 lines
3.4 KiB
83 lines
3.4 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 { 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-as-promised'))
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.use(require('chai-bignumber')(BigNumber))
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.should();
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const RefundableCrowdsale = artifacts.require('RefundableCrowdsaleImpl');
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const SimpleToken = artifacts.require('SimpleToken');
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contract('RefundableCrowdsale', function ([_, owner, wallet, investor, purchaser]) {
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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.token = await SimpleToken.new();
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this.crowdsale = await RefundableCrowdsale.new(
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this.openingTime, this.closingTime, rate, wallet, this.token.address, goal, { from: owner }
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);
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await this.token.transfer(this.crowdsale.address, tokenSupply);
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});
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describe('creating a valid crowdsale', function () {
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it('should fail with zero goal', async function () {
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await RefundableCrowdsale.new(
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this.openingTime, this.closingTime, rate, wallet, this.token.address, 0, { from: owner }
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).should.be.rejectedWith(EVMRevert);
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});
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});
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it('should deny refunds before end', async function () {
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await this.crowdsale.claimRefund({ from: investor }).should.be.rejectedWith(EVMRevert);
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await increaseTimeTo(this.openingTime);
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await this.crowdsale.claimRefund({ from: investor }).should.be.rejectedWith(EVMRevert);
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});
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it('should deny refunds after end if goal was reached', async function () {
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await increaseTimeTo(this.openingTime);
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await this.crowdsale.sendTransaction({ value: goal, from: investor });
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await increaseTimeTo(this.afterClosingTime);
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await this.crowdsale.claimRefund({ from: investor }).should.be.rejectedWith(EVMRevert);
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});
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it('should allow refunds after end if goal was not reached', async function () {
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await increaseTimeTo(this.openingTime);
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await this.crowdsale.sendTransaction({ value: lessThanGoal, from: investor });
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await increaseTimeTo(this.afterClosingTime);
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await this.crowdsale.finalize({ from: owner });
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const pre = await ethGetBalance(investor);
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await this.crowdsale.claimRefund({ from: investor, gasPrice: 0 })
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.should.be.fulfilled;
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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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it('should forward funds to wallet after end if goal was reached', async function () {
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await increaseTimeTo(this.openingTime);
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await this.crowdsale.sendTransaction({ value: goal, from: investor });
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await increaseTimeTo(this.afterClosingTime);
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const pre = await ethGetBalance(wallet);
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await this.crowdsale.finalize({ from: owner });
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const post = await ethGetBalance(wallet);
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post.minus(pre).should.be.bignumber.equal(goal);
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});
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});
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