233 lines
12 KiB
TypeScript
233 lines
12 KiB
TypeScript
import * as _ from 'lodash';
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import * as chai from 'chai';
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import {chaiSetup} from './utils/chai_setup';
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import 'mocha';
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import * as BigNumber from 'bignumber.js';
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import * as Sinon from 'sinon';
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import {ZeroEx} from '../src/0x.js';
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import {constants} from './utils/constants';
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import {Order} from '../src/types';
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import {ECSignature} from '../src/types';
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import {web3Factory} from './utils/web3_factory';
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chaiSetup.configure();
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const expect = chai.expect;
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describe('ZeroEx library', () => {
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describe('#setProvider', () => {
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it('overrides provider in nested web3s and invalidates contractInstances', async () => {
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const web3 = web3Factory.create();
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const zeroEx = new ZeroEx(web3);
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// Instantiate the contract instances with the current provider
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await (zeroEx.exchange as any)._getExchangeContractAsync();
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await (zeroEx.tokenRegistry as any)._getTokenRegistryContractAsync();
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expect((zeroEx.exchange as any)._exchangeContractIfExists).to.not.be.undefined();
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expect((zeroEx.tokenRegistry as any)._tokenRegistryContractIfExists).to.not.be.undefined();
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const newProvider = web3Factory.getRpcProvider();
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// Add property to newProvider so that we can differentiate it from old provider
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(newProvider as any).zeroExTestId = 1;
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await zeroEx.setProviderAsync(newProvider);
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// Check that contractInstances with old provider are removed after provider update
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expect((zeroEx.exchange as any)._exchangeContractIfExists).to.be.undefined();
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expect((zeroEx.tokenRegistry as any)._tokenRegistryContractIfExists).to.be.undefined();
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// Check that all nested web3 instances return the updated provider
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const nestedWeb3WrapperProvider = (zeroEx as any)._web3Wrapper.getCurrentProvider();
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expect((nestedWeb3WrapperProvider as any).zeroExTestId).to.be.a('number');
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const exchangeWeb3WrapperProvider = (zeroEx.exchange as any)._web3Wrapper.getCurrentProvider();
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expect((exchangeWeb3WrapperProvider as any).zeroExTestId).to.be.a('number');
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const tokenRegistryWeb3WrapperProvider = (zeroEx.tokenRegistry as any)._web3Wrapper.getCurrentProvider();
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expect((tokenRegistryWeb3WrapperProvider as any).zeroExTestId).to.be.a('number');
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});
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});
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describe('#isValidSignature', () => {
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// The Exchange smart contract `isValidSignature` method only validates orderHashes and assumes
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// the length of the data is exactly 32 bytes. Thus for these tests, we use data of this size.
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const dataHex = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
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const signature = {
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v: 27,
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r: '0x61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc33',
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s: '0x40349190569279751135161d22529dc25add4f6069af05be04cacbda2ace2254',
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};
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const address = '0x5409ed021d9299bf6814279a6a1411a7e866a631';
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const web3 = web3Factory.create();
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const zeroEx = new ZeroEx(web3);
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it('should return false if the data doesn\'t pertain to the signature & address', async () => {
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expect(ZeroEx.isValidSignature('0x0', signature, address)).to.be.false();
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return expect(
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(zeroEx.exchange as any)._isValidSignatureUsingContractCallAsync('0x0', signature, address),
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).to.become(false);
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});
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it('should return false if the address doesn\'t pertain to the signature & data', async () => {
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const validUnrelatedAddress = '0x8b0292B11a196601eD2ce54B665CaFEca0347D42';
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expect(ZeroEx.isValidSignature(dataHex, signature, validUnrelatedAddress)).to.be.false();
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return expect(
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(zeroEx.exchange as any)._isValidSignatureUsingContractCallAsync(dataHex, signature,
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validUnrelatedAddress),
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).to.become(false);
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});
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it('should return false if the signature doesn\'t pertain to the dataHex & address', async () => {
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const wrongSignature = _.assign({}, signature, {v: 28});
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expect(ZeroEx.isValidSignature(dataHex, wrongSignature, address)).to.be.false();
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return expect(
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(zeroEx.exchange as any)._isValidSignatureUsingContractCallAsync(dataHex, wrongSignature, address),
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).to.become(false);
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});
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it('should return true if the signature does pertain to the dataHex & address', async () => {
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const isValidSignatureLocal = ZeroEx.isValidSignature(dataHex, signature, address);
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expect(isValidSignatureLocal).to.be.true();
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const isValidSignatureOnContract = await (zeroEx.exchange as any)
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._isValidSignatureUsingContractCallAsync(dataHex, signature, address);
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return expect(isValidSignatureOnContract).to.be.true();
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});
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});
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describe('#generateSalt', () => {
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it('generates different salts', () => {
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const equal = ZeroEx.generatePseudoRandomSalt().eq(ZeroEx.generatePseudoRandomSalt());
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expect(equal).to.be.false();
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});
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it('generates salt in range [0..2^256)', () => {
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const salt = ZeroEx.generatePseudoRandomSalt();
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expect(salt.greaterThanOrEqualTo(0)).to.be.true();
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const twoPow256 = new BigNumber(2).pow(256);
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expect(salt.lessThan(twoPow256)).to.be.true();
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});
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});
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describe('#isValidOrderHash', () => {
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it('returns false if the value is not a hex string', () => {
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const isValid = ZeroEx.isValidOrderHash('not a hex');
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expect(isValid).to.be.false();
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});
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it('returns false if the length is wrong', () => {
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const isValid = ZeroEx.isValidOrderHash('0xdeadbeef');
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expect(isValid).to.be.false();
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});
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it('returns true if order hash is correct', () => {
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const isValid = ZeroEx.isValidOrderHash('0x' + Array(65).join('0'));
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expect(isValid).to.be.true();
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});
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});
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describe('#toUnitAmount', () => {
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it('Should return the expected unit amount for the decimals passed in', () => {
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const baseUnitAmount = new BigNumber(1000000000);
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const decimals = 6;
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const unitAmount = ZeroEx.toUnitAmount(baseUnitAmount, decimals);
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const expectedUnitAmount = new BigNumber(1000);
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expect(unitAmount).to.be.bignumber.equal(expectedUnitAmount);
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});
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});
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describe('#toBaseUnitAmount', () => {
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it('Should return the expected base unit amount for the decimals passed in', () => {
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const unitAmount = new BigNumber(1000);
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const decimals = 6;
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const baseUnitAmount = ZeroEx.toBaseUnitAmount(unitAmount, decimals);
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const expectedUnitAmount = new BigNumber(1000000000);
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expect(baseUnitAmount).to.be.bignumber.equal(expectedUnitAmount);
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});
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});
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describe('#getOrderHashHexAsync', () => {
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const exchangeContractAddress = constants.NULL_ADDRESS;
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const expectedOrderHash = '0x103a5e97dab5dbeb8f385636f86a7d1e458a7ccbe1bd194727f0b2f85ab116c7';
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const order: Order = {
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maker: constants.NULL_ADDRESS,
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taker: constants.NULL_ADDRESS,
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feeRecipient: constants.NULL_ADDRESS,
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makerTokenAddress: constants.NULL_ADDRESS,
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takerTokenAddress: constants.NULL_ADDRESS,
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salt: new BigNumber(0),
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makerFee: new BigNumber(0),
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takerFee: new BigNumber(0),
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makerTokenAmount: new BigNumber(0),
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takerTokenAmount: new BigNumber(0),
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expirationUnixTimestampSec: new BigNumber(0),
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};
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let stubs: Sinon.SinonStub[] = [];
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afterEach(() => {
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// clean up any stubs after the test has completed
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_.each(stubs, s => s.restore());
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stubs = [];
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});
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it('calculates the order hash', async () => {
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const web3 = web3Factory.create();
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const zeroEx = new ZeroEx(web3);
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stubs = [
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Sinon.stub((zeroEx as any), '_getExchangeAddressAsync')
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.returns(Promise.resolve(exchangeContractAddress)),
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];
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const orderHash = await zeroEx.getOrderHashHexAsync(order);
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expect(orderHash).to.be.equal(expectedOrderHash);
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});
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});
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describe('#signOrderHashAsync', () => {
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let stubs: Sinon.SinonStub[] = [];
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let makerAddress: string;
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const web3 = web3Factory.create();
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const zeroEx = new ZeroEx(web3);
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before(async () => {
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const availableAddreses = await zeroEx.getAvailableAddressesAsync();
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makerAddress = availableAddreses[0];
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});
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afterEach(() => {
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// clean up any stubs after the test has completed
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_.each(stubs, s => s.restore());
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stubs = [];
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});
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it ('Should return the correct ECSignature on TestPRC nodeVersion', async () => {
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const orderHash = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
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const expectedECSignature = {
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v: 27,
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r: '0x61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc33',
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s: '0x40349190569279751135161d22529dc25add4f6069af05be04cacbda2ace2254',
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};
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const ecSignature = await zeroEx.signOrderHashAsync(orderHash, makerAddress);
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expect(ecSignature).to.deep.equal(expectedECSignature);
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});
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it ('should return the correct ECSignature on Parity > V1.6.6', async () => {
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const newParityNodeVersion = 'Parity//v1.6.7-beta-e128418-20170518/x86_64-macos/rustc1.17.0';
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const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
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// tslint:disable-next-line: max-line-length
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const signature = '0x22109d11d79cb8bf96ed88625e1cd9558800c4073332a9a02857499883ee5ce3050aa3cc1f2c435e67e114cdce54b9527b4f50548342401bc5d2b77adbdacb021b';
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const expectedECSignature = {
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v: 27,
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r: '0x22109d11d79cb8bf96ed88625e1cd9558800c4073332a9a02857499883ee5ce3',
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s: '0x050aa3cc1f2c435e67e114cdce54b9527b4f50548342401bc5d2b77adbdacb02',
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};
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stubs = [
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Sinon.stub((zeroEx as any)._web3Wrapper, 'getNodeVersionAsync')
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.returns(Promise.resolve(newParityNodeVersion)),
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Sinon.stub((zeroEx as any)._web3Wrapper, 'signTransactionAsync')
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.returns(Promise.resolve(signature)),
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Sinon.stub(ZeroEx, 'isValidSignature').returns(true),
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];
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const ecSignature = await zeroEx.signOrderHashAsync(orderHash, makerAddress);
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expect(ecSignature).to.deep.equal(expectedECSignature);
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});
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it ('should return the correct ECSignature on Parity < V1.6.6', async () => {
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const newParityNodeVersion = 'Parity//v1.6.6-beta-8c6e3f3-20170411/x86_64-macos/rustc1.16.0';
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const orderHash = '0xc793e33ffded933b76f2f48d9aa3339fc090399d5e7f5dec8d3660f5480793f7';
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// tslint:disable-next-line: max-line-length
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const signature = '0x1bc80bedc6756722672753413efdd749b5adbd4fd552595f59c13427407ee9aee02dea66f25a608bbae457e020fb6decb763deb8b7192abab624997242da248960';
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const expectedECSignature = {
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v: 27,
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r: '0xc80bedc6756722672753413efdd749b5adbd4fd552595f59c13427407ee9aee0',
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s: '0x2dea66f25a608bbae457e020fb6decb763deb8b7192abab624997242da248960',
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};
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stubs = [
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Sinon.stub((zeroEx as any)._web3Wrapper, 'getNodeVersionAsync')
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.returns(Promise.resolve(newParityNodeVersion)),
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Sinon.stub((zeroEx as any)._web3Wrapper, 'signTransactionAsync')
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.returns(Promise.resolve(signature)),
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Sinon.stub(ZeroEx, 'isValidSignature').returns(true),
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];
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const ecSignature = await zeroEx.signOrderHashAsync(orderHash, makerAddress);
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expect(ecSignature).to.deep.equal(expectedECSignature);
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});
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});
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});
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