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-rw-r--r--test/exchange_wrapper_test.ts102
1 files changed, 102 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 chai from 'chai';
+import {web3Factory} from './utils/web3_factory';
+import {ZeroEx} from '../src/0x.js';
+import {BlockchainLifecycle} from './utils/blockchain_lifecycle';
+import * as BigNumber from 'bignumber.js';
+import {createSignedOrder} from './utils/order';
+
+const expect = chai.expect;
+const blockchainLifecycle = new BlockchainLifecycle();
+
+describe('ExchangeWrapper', () => {
+ let zeroEx: ZeroEx;
+ before(async () => {
+ const web3 = web3Factory.create();
+ zeroEx = new ZeroEx(web3);
+ });
+ 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 = Object.assign({}, 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', async () => {
+ const signedOrder = await createSignedOrder(zeroEx);
+ it('should throw when the fill amount is zero', async () => {
+ const fillAmount = new BigNumber(0);
+ expect(zeroEx.exchange.fillOrderAsync(signedOrder, fillAmount))
+ .to.be.rejectedWith('This order has already been filled or cancelled');
+ });
+ });
+});