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- const expectEvent = require('../helpers/expectEvent');
- const { expectThrow } = require('../helpers/expectThrow');
- const { EVMRevert } = require('../helpers/EVMRevert');
- const { ethGetBalance } = require('../helpers/web3');
- const BigNumber = web3.BigNumber;
- require('chai')
- .use(require('chai-bignumber')(BigNumber))
- .should();
- function shouldBehaveLikeEscrow (owner, [payee1, payee2]) {
- const amount = web3.toWei(42.0, 'ether');
- describe('as an escrow', function () {
- describe('deposits', function () {
- it('can accept a single deposit', async function () {
- await this.escrow.deposit(payee1, { from: owner, value: amount });
- const balance = await ethGetBalance(this.escrow.address);
- const deposit = await this.escrow.depositsOf(payee1);
- balance.should.be.bignumber.equal(amount);
- deposit.should.be.bignumber.equal(amount);
- });
- it('can accept an empty deposit', async function () {
- await this.escrow.deposit(payee1, { from: owner, value: 0 });
- });
- it('only the owner can deposit', async function () {
- await expectThrow(this.escrow.deposit(payee1, { from: payee2 }), EVMRevert);
- });
- it('emits a deposited event', async function () {
- const receipt = await this.escrow.deposit(payee1, { from: owner, value: amount });
- const event = await expectEvent.inLogs(receipt.logs, 'Deposited', { payee: payee1 });
- event.args.weiAmount.should.be.bignumber.equal(amount);
- });
- it('can add multiple deposits on a single account', async function () {
- await this.escrow.deposit(payee1, { from: owner, value: amount });
- await this.escrow.deposit(payee1, { from: owner, value: amount * 2 });
- const balance = await ethGetBalance(this.escrow.address);
- const deposit = await this.escrow.depositsOf(payee1);
- balance.should.be.bignumber.equal(amount * 3);
- deposit.should.be.bignumber.equal(amount * 3);
- });
- it('can track deposits to multiple accounts', async function () {
- await this.escrow.deposit(payee1, { from: owner, value: amount });
- await this.escrow.deposit(payee2, { from: owner, value: amount * 2 });
- const balance = await ethGetBalance(this.escrow.address);
- const depositPayee1 = await this.escrow.depositsOf(payee1);
- const depositPayee2 = await this.escrow.depositsOf(payee2);
- balance.should.be.bignumber.equal(amount * 3);
- depositPayee1.should.be.bignumber.equal(amount);
- depositPayee2.should.be.bignumber.equal(amount * 2);
- });
- });
- describe('withdrawals', async function () {
- it('can withdraw payments', async function () {
- const payeeInitialBalance = await ethGetBalance(payee1);
- await this.escrow.deposit(payee1, { from: owner, value: amount });
- await this.escrow.withdraw(payee1, { from: owner });
- const escrowBalance = await ethGetBalance(this.escrow.address);
- const finalDeposit = await this.escrow.depositsOf(payee1);
- const payeeFinalBalance = await ethGetBalance(payee1);
- escrowBalance.should.be.bignumber.equal(0);
- finalDeposit.should.be.bignumber.equal(0);
- payeeFinalBalance.sub(payeeInitialBalance).should.be.bignumber.equal(amount);
- });
- it('can do an empty withdrawal', async function () {
- await this.escrow.withdraw(payee1, { from: owner });
- });
- it('only the owner can withdraw', async function () {
- await expectThrow(this.escrow.withdraw(payee1, { from: payee1 }), EVMRevert);
- });
- it('emits a withdrawn event', async function () {
- await this.escrow.deposit(payee1, { from: owner, value: amount });
- const receipt = await this.escrow.withdraw(payee1, { from: owner });
- const event = await expectEvent.inLogs(receipt.logs, 'Withdrawn', { payee: payee1 });
- event.args.weiAmount.should.be.bignumber.equal(amount);
- });
- });
- });
- }
- module.exports = {
- shouldBehaveLikeEscrow,
- };
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