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-rw-r--r--test/exchange_wrapper_test.ts183
1 files changed, 183 insertions, 0 deletions
diff --git a/test/exchange_wrapper_test.ts b/test/exchange_wrapper_test.ts
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+import 'mocha';
+import * as _ from 'lodash';
+import * as chai from 'chai';
+import * as Web3 from 'web3';
+import * as BigNumber from 'bignumber.js';
+import * as dirtyChai from 'dirty-chai';
+import ChaiBigNumber = require('chai-bignumber');
+import promisify = require('es6-promisify');
+import {web3Factory} from './utils/web3_factory';
+import {ZeroEx} from '../src/0x.js';
+import {BlockchainLifecycle} from './utils/blockchain_lifecycle';
+import {orderFactory} from './utils/order_factory';
+import {FillOrderValidationErrs, Token} from '../src/types';
+
+chai.use(dirtyChai);
+chai.use(ChaiBigNumber());
+const expect = chai.expect;
+const blockchainLifecycle = new BlockchainLifecycle();
+
+describe('ExchangeWrapper', () => {
+ let zeroEx: ZeroEx;
+ let userAddresses: string[];
+ let web3: Web3;
+ before(async () => {
+ web3 = web3Factory.create();
+ zeroEx = new ZeroEx(web3);
+ userAddresses = await promisify(web3.eth.getAccounts)();
+ });
+ beforeEach(async () => {
+ await blockchainLifecycle.startAsync();
+ });
+ afterEach(async () => {
+ await blockchainLifecycle.revertAsync();
+ });
+ describe('#isValidSignatureAsync', () => {
+ // The Exchange smart contract `isValidSignature` method only validates orderHashes and assumes
+ // the length of the data is exactly 32 bytes. Thus for these tests, we use data of this size.
+ const dataHex = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
+ const signature = {
+ v: 27,
+ r: '0x61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc33',
+ s: '0x40349190569279751135161d22529dc25add4f6069af05be04cacbda2ace2254',
+ };
+ const address = '0x5409ed021d9299bf6814279a6a1411a7e866a631';
+ describe('should throw if passed a malformed signature', () => {
+ it('malformed v', async () => {
+ const malformedSignature = {
+ v: 34,
+ r: signature.r,
+ s: signature.s,
+ };
+ expect(zeroEx.exchange.isValidSignatureAsync(dataHex, malformedSignature, address))
+ .to.be.rejected();
+ });
+ it('r lacks 0x prefix', () => {
+ const malformedR = signature.r.replace('0x', '');
+ const malformedSignature = {
+ v: signature.v,
+ r: malformedR,
+ s: signature.s,
+ };
+ expect(zeroEx.exchange.isValidSignatureAsync(dataHex, malformedSignature, address))
+ .to.be.rejected();
+ });
+ it('r is too short', () => {
+ const malformedR = signature.r.substr(10);
+ const malformedSignature = {
+ v: signature.v,
+ r: malformedR,
+ s: signature.s.replace('0', 'z'),
+ };
+ expect(zeroEx.exchange.isValidSignatureAsync(dataHex, malformedSignature, address))
+ .to.be.rejected();
+ });
+ it('s is not hex', () => {
+ const malformedS = signature.s.replace('0', 'z');
+ const malformedSignature = {
+ v: signature.v,
+ r: signature.r,
+ s: malformedS,
+ };
+ expect(zeroEx.exchange.isValidSignatureAsync(dataHex, malformedSignature, address))
+ .to.be.rejected();
+ });
+ });
+ it('should return false if the data doesn\'t pertain to the signature & address', async () => {
+ const isValid = await zeroEx.exchange.isValidSignatureAsync('0x0', signature, address);
+ expect(isValid).to.be.false();
+ });
+ it('should return false if the address doesn\'t pertain to the signature & dataHex', async () => {
+ const validUnrelatedAddress = '0x8b0292B11a196601eD2ce54B665CaFEca0347D42';
+ const isValid = await zeroEx.exchange.isValidSignatureAsync(dataHex, signature, validUnrelatedAddress);
+ expect(isValid).to.be.false();
+ });
+ it('should return false if the signature doesn\'t pertain to the dataHex & address', async () => {
+ const wrongSignature = {...signature, v: 28};
+ const isValid = await zeroEx.exchange.isValidSignatureAsync(dataHex, wrongSignature, address);
+ expect(isValid).to.be.false();
+ });
+ it('should return true if the signature does pertain to the dataHex & address', async () => {
+ const isValid = await zeroEx.exchange.isValidSignatureAsync(dataHex, signature, address);
+ expect(isValid).to.be.true();
+ });
+ });
+ describe('#fillOrderAsync', () => {
+ let tokens: Token[];
+ const fillAmount = new BigNumber(5);
+ let maker: string;
+ let taker: string;
+ const addressBySymbol: {[symbol: string]: string} = {};
+ const shouldCheckTransfer = false;
+ before('fetch tokens', async () => {
+ tokens = await zeroEx.tokenRegistry.getTokensAsync();
+ _.forEach(tokens, token => {
+ addressBySymbol[token.symbol] = token.address;
+ });
+ });
+ beforeEach('setup', async () => {
+ maker = userAddresses[0];
+ taker = userAddresses[1];
+ await zeroEx.token.setProxyAllowanceAsync(addressBySymbol.MLN, maker, new BigNumber(5));
+ await zeroEx.token.transferAsync(addressBySymbol.GNT, maker, taker, new BigNumber(5));
+ await zeroEx.token.setProxyAllowanceAsync(addressBySymbol.GNT, taker, new BigNumber(5));
+ });
+ afterEach('reset default account', () => {
+ zeroEx.setDefaultAccount(userAddresses[0]);
+ });
+ describe('failed fills', () => {
+ it('should throw when the fill amount is zero', async () => {
+ const makerAmount = 5;
+ const takerAmount = 5;
+ const signedOrder = await orderFactory.createSignedOrderAsync(zeroEx, maker, taker,
+ makerAmount, addressBySymbol.MLN, takerAmount, addressBySymbol.GNT);
+ const zeroFillAmount = new BigNumber(0);
+ zeroEx.setDefaultAccount(taker);
+ expect(zeroEx.exchange.fillOrderAsync(signedOrder, zeroFillAmount, shouldCheckTransfer))
+ .to.be.rejectedWith(FillOrderValidationErrs.FILL_AMOUNT_IS_ZERO);
+ });
+ it('should throw when sender is not a taker', async () => {
+ const makerAmount = 5;
+ const takerAmount = 5;
+ const signedOrder = await orderFactory.createSignedOrderAsync(zeroEx, maker, taker,
+ makerAmount, addressBySymbol.MLN, takerAmount, addressBySymbol.GNT);
+ expect(zeroEx.exchange.fillOrderAsync(signedOrder, fillAmount, shouldCheckTransfer))
+ .to.be.rejectedWith(FillOrderValidationErrs.NOT_A_TAKER);
+ });
+ it('should throw when order is expired', async () => {
+ const oldTimestamp = new BigNumber(42);
+ const makerAmount = 5;
+ const takerAmount = 5;
+ const signedOrder = await orderFactory.createSignedOrderAsync(zeroEx, maker, taker,
+ makerAmount, addressBySymbol.MLN, takerAmount, addressBySymbol.GNT, oldTimestamp);
+ zeroEx.setDefaultAccount(taker);
+ expect(zeroEx.exchange.fillOrderAsync(signedOrder, fillAmount, shouldCheckTransfer))
+ .to.be.rejectedWith(FillOrderValidationErrs.EXPIRED);
+ });
+ it('should throw when not enough balance', async () => {
+ const makerAmount = 10;
+ const takerAmount = 10;
+ const signedOrder = await orderFactory.createSignedOrderAsync(zeroEx, maker, taker,
+ makerAmount, addressBySymbol.MLN, takerAmount, addressBySymbol.GNT);
+ zeroEx.setDefaultAccount(taker);
+ const tooMuch = new BigNumber(6);
+ expect(zeroEx.exchange.fillOrderAsync(signedOrder, tooMuch, true))
+ .to.be.rejectedWith(FillOrderValidationErrs.EXPIRED);
+ });
+ });
+ describe('successful fills', () => {
+ it('should fill the valid order', async () => {
+ const makerAmount = 5;
+ const takerAmount = 5;
+ const signedOrder = await orderFactory.createSignedOrderAsync(zeroEx, maker, taker,
+ makerAmount, addressBySymbol.MLN, takerAmount, addressBySymbol.GNT);
+ zeroEx.setDefaultAccount(taker);
+ await zeroEx.exchange.fillOrderAsync(signedOrder, fillAmount, shouldCheckTransfer);
+ expect(await zeroEx.token.getBalanceAsync(addressBySymbol.MLN, taker))
+ .to.be.bignumber.equal(fillAmount);
+ expect(await zeroEx.token.getBalanceAsync(addressBySymbol.GNT, taker))
+ .to.be.bignumber.equal(0);
+ });
+ });
+ });
+});
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