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authorFabio Berger <me@fabioberger.com>2017-06-26 05:50:11 +0800
committerFabio Berger <me@fabioberger.com>2017-06-26 05:50:11 +0800
commit60b3f3e6dd39afe12884a17f9d978dd604a138b5 (patch)
treed19ef9da0fa6a5010806bde6a82d23d8ffe7988e /test
parent7d001240c1dae380294cf5664abaf5997e61c61c (diff)
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Implement EtherTokenWrapper and tests, with deposit and withdraw methods
Diffstat (limited to 'test')
-rw-r--r--test/ether_token_wrapper_test.ts99
1 files changed, 99 insertions, 0 deletions
diff --git a/test/ether_token_wrapper_test.ts b/test/ether_token_wrapper_test.ts
new file mode 100644
index 000000000..730b85497
--- /dev/null
+++ b/test/ether_token_wrapper_test.ts
@@ -0,0 +1,99 @@
+import 'mocha';
+import * as chai from 'chai';
+import {chaiSetup} from './utils/chai_setup';
+import * as Web3 from 'web3';
+import * as BigNumber from 'bignumber.js';
+import promisify = require('es6-promisify');
+import {web3Factory} from './utils/web3_factory';
+import {ZeroEx, ZeroExError, Token} from '../src';
+import {BlockchainLifecycle} from './utils/blockchain_lifecycle';
+
+chaiSetup.configure();
+const expect = chai.expect;
+const blockchainLifecycle = new BlockchainLifecycle();
+
+describe.only('EtherTokenWrapper', () => {
+ let web3: Web3;
+ let zeroEx: ZeroEx;
+ let userAddresses: string[];
+ let addressWithETH: string;
+ let wethContractAddress: string;
+ let depositETHAmount: BigNumber.BigNumber;
+ let depositWeiAmount: BigNumber.BigNumber;
+ let decimalPlaces: number;
+ before(async () => {
+ web3 = web3Factory.create();
+ zeroEx = new ZeroEx(web3.currentProvider);
+ userAddresses = await promisify(web3.eth.getAccounts)();
+ addressWithETH = userAddresses[0];
+ wethContractAddress = await zeroEx.etherToken.getContractAddressAsync();
+ depositETHAmount = new BigNumber(5);
+ depositWeiAmount = (zeroEx as any)._web3Wrapper.toWei(depositETHAmount);
+ decimalPlaces = 7;
+ });
+ beforeEach(async () => {
+ await blockchainLifecycle.startAsync();
+ });
+ afterEach(async () => {
+ await blockchainLifecycle.revertAsync();
+ });
+ describe('#depositAsync', () => {
+ it('should successfully deposit ETH and issue Wrapped ETH tokens', async () => {
+ const preETHBalance = await (zeroEx as any)._web3Wrapper.getBalanceInEthAsync(addressWithETH);
+ const preWETHBalance = await zeroEx.token.getBalanceAsync(wethContractAddress, addressWithETH);
+ expect(preETHBalance).to.be.bignumber.gt(0);
+ expect(preWETHBalance).to.be.bignumber.equal(0);
+
+ await zeroEx.etherToken.depositAsync(depositWeiAmount, addressWithETH);
+
+ const postETHBalance = await (zeroEx as any)._web3Wrapper.getBalanceInEthAsync(addressWithETH);
+ const postWETHBalanceInBaseUnits = await zeroEx.token.getBalanceAsync(wethContractAddress, addressWithETH);
+
+ expect(postWETHBalanceInBaseUnits).to.be.bignumber.equal(depositWeiAmount);
+ const remainingETH = preETHBalance.minus(depositETHAmount);
+ return expect(postETHBalance.round(decimalPlaces)).to.be.bignumber.equal(remainingETH);
+ });
+ it('should throw if user has insufficient ETH balance for deposit', async () => {
+ const preETHBalance = await (zeroEx as any)._web3Wrapper.getBalanceInEthAsync(addressWithETH);
+
+ const overETHBalance = preETHBalance.add(5);
+ const overETHBalanceinWei = (zeroEx as any)._web3Wrapper.toWei(overETHBalance);
+
+ return expect(
+ zeroEx.etherToken.depositAsync(overETHBalanceinWei, addressWithETH),
+ ).to.be.rejectedWith(ZeroExError.INSUFFICIENT_ETH_BALANCE_FOR_DEPOSIT);
+ });
+ });
+ describe('#withdrawAsync', () => {
+ it('should successfully withdraw ETH in return for Wrapped ETH tokens', async () => {
+ const ETHBalance = await (zeroEx as any)._web3Wrapper.getBalanceInEthAsync(addressWithETH);
+
+ await zeroEx.etherToken.depositAsync(depositWeiAmount, addressWithETH);
+
+ const expectedPreETHBalance = ETHBalance.minus(depositETHAmount);
+ const preETHBalance = await (zeroEx as any)._web3Wrapper.getBalanceInEthAsync(addressWithETH);
+ const preWETHBalance = await zeroEx.token.getBalanceAsync(wethContractAddress, addressWithETH);
+ expect(preETHBalance.round(decimalPlaces)).to.be.bignumber.equal(expectedPreETHBalance);
+ expect(preWETHBalance).to.be.bignumber.equal(depositWeiAmount);
+
+ await zeroEx.etherToken.withdrawAsync(depositWeiAmount, addressWithETH);
+
+ const postETHBalance = await (zeroEx as any)._web3Wrapper.getBalanceInEthAsync(addressWithETH);
+ const postWETHBalanceInBaseUnits = await zeroEx.token.getBalanceAsync(wethContractAddress, addressWithETH);
+
+ expect(postWETHBalanceInBaseUnits).to.be.bignumber.equal(0);
+ const expectedETHBalance = preETHBalance.add(depositETHAmount).round(decimalPlaces);
+ return expect(postETHBalance.round(decimalPlaces)).to.be.bignumber.equal(expectedETHBalance);
+ });
+ it('should throw if user has insufficient WETH balance for withdrawl', async () => {
+ const preWETHBalance = await zeroEx.token.getBalanceAsync(wethContractAddress, addressWithETH);
+ expect(preWETHBalance).to.be.bignumber.equal(0);
+
+ const overWETHBalance = preWETHBalance.add(999999999);
+
+ return expect(
+ zeroEx.etherToken.withdrawAsync(overWETHBalance, addressWithETH),
+ ).to.be.rejectedWith(ZeroExError.INSUFFICIENT_WETH_BALANCE_FOR_WITHDRAWL);
+ });
+ });
+});