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77 lines
3.1 KiB
77 lines
3.1 KiB
const { ether } = require('../helpers/ether');
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const { assertRevert } = require('../helpers/assertRevert');
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const { ethGetBalance } = require('../helpers/web3');
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const BigNumber = web3.BigNumber;
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const should = require('chai')
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.use(require('chai-bignumber')(BigNumber))
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.should();
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const AllowanceCrowdsale = artifacts.require('AllowanceCrowdsaleImpl');
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const SimpleToken = artifacts.require('SimpleToken');
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contract('AllowanceCrowdsale', function ([_, investor, wallet, purchaser, tokenWallet]) {
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const rate = new BigNumber(1);
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const value = ether(0.42);
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const expectedTokenAmount = rate.mul(value);
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const tokenAllowance = new BigNumber('1e22');
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const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000';
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beforeEach(async function () {
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this.token = await SimpleToken.new({ from: tokenWallet });
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this.crowdsale = await AllowanceCrowdsale.new(rate, wallet, this.token.address, tokenWallet);
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await this.token.approve(this.crowdsale.address, tokenAllowance, { from: tokenWallet });
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});
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describe('accepting payments', function () {
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it('should accept sends', async function () {
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await this.crowdsale.send(value);
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});
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it('should accept payments', async function () {
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await this.crowdsale.buyTokens(investor, { value: value, from: purchaser });
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});
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});
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describe('high-level purchase', function () {
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it('should log purchase', async function () {
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const { logs } = await this.crowdsale.sendTransaction({ value: value, from: investor });
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const event = logs.find(e => e.event === 'TokenPurchase');
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should.exist(event);
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event.args.purchaser.should.eq(investor);
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event.args.beneficiary.should.eq(investor);
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event.args.value.should.be.bignumber.equal(value);
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event.args.amount.should.be.bignumber.equal(expectedTokenAmount);
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});
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it('should assign tokens to sender', async function () {
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await this.crowdsale.sendTransaction({ value: value, from: investor });
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const balance = await this.token.balanceOf(investor);
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balance.should.be.bignumber.equal(expectedTokenAmount);
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});
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it('should forward funds to wallet', async function () {
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const pre = await ethGetBalance(wallet);
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await this.crowdsale.sendTransaction({ value, from: investor });
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const post = await ethGetBalance(wallet);
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post.minus(pre).should.be.bignumber.equal(value);
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});
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});
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describe('check remaining allowance', function () {
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it('should report correct allowace left', async function () {
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const remainingAllowance = tokenAllowance - expectedTokenAmount;
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await this.crowdsale.buyTokens(investor, { value: value, from: purchaser });
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const tokensRemaining = await this.crowdsale.remainingTokens();
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tokensRemaining.should.be.bignumber.equal(remainingAllowance);
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});
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});
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describe('when token wallet is different from token address', function () {
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it('creation reverts', async function () {
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this.token = await SimpleToken.new({ from: tokenWallet });
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await assertRevert(AllowanceCrowdsale.new(rate, wallet, this.token.address, ZERO_ADDRESS));
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});
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});
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});
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