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+import * as _ from 'lodash';
+import * as chai from 'chai';
+import {chaiSetup} from './utils/chai_setup';
+import 'mocha';
+import BigNumber from 'bignumber.js';
+import * as Sinon from 'sinon';
+import {ZeroEx, Order, ZeroExError, LogWithDecodedArgs, ApprovalContractEventArgs, TokenEvents} from '../src';
+import {constants} from './utils/constants';
+import {TokenUtils} from './utils/token_utils';
+import {web3Factory} from './utils/web3_factory';
+import {BlockchainLifecycle} from './utils/blockchain_lifecycle';
+
+const blockchainLifecycle = new BlockchainLifecycle();
+chaiSetup.configure();
+const expect = chai.expect;
+
+describe('ZeroEx library', () => {
+ const web3 = web3Factory.create();
+ const zeroEx = new ZeroEx(web3.currentProvider);
+ describe('#setProvider', () => {
+ it('overrides provider in nested web3s and invalidates contractInstances', async () => {
+ // Instantiate the contract instances with the current provider
+ await (zeroEx.exchange as any)._getExchangeContractAsync();
+ await (zeroEx.tokenRegistry as any)._getTokenRegistryContractAsync();
+ expect((zeroEx.exchange as any)._exchangeContractIfExists).to.not.be.undefined();
+ expect((zeroEx.tokenRegistry as any)._tokenRegistryContractIfExists).to.not.be.undefined();
+
+ const newProvider = web3Factory.getRpcProvider();
+ // Add property to newProvider so that we can differentiate it from old provider
+ (newProvider as any).zeroExTestId = 1;
+ await zeroEx.setProviderAsync(newProvider);
+
+ // Check that contractInstances with old provider are removed after provider update
+ expect((zeroEx.exchange as any)._exchangeContractIfExists).to.be.undefined();
+ expect((zeroEx.tokenRegistry as any)._tokenRegistryContractIfExists).to.be.undefined();
+
+ // Check that all nested web3 wrapper instances return the updated provider
+ const nestedWeb3WrapperProvider = (zeroEx as any)._web3Wrapper.getCurrentProvider();
+ expect((nestedWeb3WrapperProvider as any).zeroExTestId).to.be.a('number');
+ const exchangeWeb3WrapperProvider = (zeroEx.exchange as any)._web3Wrapper.getCurrentProvider();
+ expect((exchangeWeb3WrapperProvider as any).zeroExTestId).to.be.a('number');
+ const tokenRegistryWeb3WrapperProvider = (zeroEx.tokenRegistry as any)._web3Wrapper.getCurrentProvider();
+ expect((tokenRegistryWeb3WrapperProvider as any).zeroExTestId).to.be.a('number');
+ });
+ });
+ describe('#isValidSignature', () => {
+ // 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';
+ it('should return false if the data doesn\'t pertain to the signature & address', async () => {
+ expect(ZeroEx.isValidSignature('0x0', signature, address)).to.be.false();
+ return expect(
+ (zeroEx.exchange as any)._isValidSignatureUsingContractCallAsync('0x0', signature, address),
+ ).to.become(false);
+ });
+ it('should return false if the address doesn\'t pertain to the signature & data', async () => {
+ const validUnrelatedAddress = '0x8b0292b11a196601ed2ce54b665cafeca0347d42';
+ expect(ZeroEx.isValidSignature(dataHex, signature, validUnrelatedAddress)).to.be.false();
+ return expect(
+ (zeroEx.exchange as any)._isValidSignatureUsingContractCallAsync(dataHex, signature,
+ validUnrelatedAddress),
+ ).to.become(false);
+ });
+ it('should return false if the signature doesn\'t pertain to the dataHex & address', async () => {
+ const wrongSignature = _.assign({}, signature, {v: 28});
+ expect(ZeroEx.isValidSignature(dataHex, wrongSignature, address)).to.be.false();
+ return expect(
+ (zeroEx.exchange as any)._isValidSignatureUsingContractCallAsync(dataHex, wrongSignature, address),
+ ).to.become(false);
+ });
+ it('should return true if the signature does pertain to the dataHex & address', async () => {
+ const isValidSignatureLocal = ZeroEx.isValidSignature(dataHex, signature, address);
+ expect(isValidSignatureLocal).to.be.true();
+ const isValidSignatureOnContract = await (zeroEx.exchange as any)
+ ._isValidSignatureUsingContractCallAsync(dataHex, signature, address);
+ return expect(isValidSignatureOnContract).to.be.true();
+ });
+ });
+ describe('#generateSalt', () => {
+ it('generates different salts', () => {
+ const equal = ZeroEx.generatePseudoRandomSalt().eq(ZeroEx.generatePseudoRandomSalt());
+ expect(equal).to.be.false();
+ });
+ it('generates salt in range [0..2^256)', () => {
+ const salt = ZeroEx.generatePseudoRandomSalt();
+ expect(salt.greaterThanOrEqualTo(0)).to.be.true();
+ const twoPow256 = new BigNumber(2).pow(256);
+ expect(salt.lessThan(twoPow256)).to.be.true();
+ });
+ });
+ describe('#isValidOrderHash', () => {
+ it('returns false if the value is not a hex string', () => {
+ const isValid = ZeroEx.isValidOrderHash('not a hex');
+ expect(isValid).to.be.false();
+ });
+ it('returns false if the length is wrong', () => {
+ const isValid = ZeroEx.isValidOrderHash('0xdeadbeef');
+ expect(isValid).to.be.false();
+ });
+ it('returns true if order hash is correct', () => {
+ const isValid = ZeroEx.isValidOrderHash('0x' + Array(65).join('0'));
+ expect(isValid).to.be.true();
+ });
+ });
+ describe('#toUnitAmount', () => {
+ it('Should return the expected unit amount for the decimals passed in', () => {
+ const baseUnitAmount = new BigNumber(1000000000);
+ const decimals = 6;
+ const unitAmount = ZeroEx.toUnitAmount(baseUnitAmount, decimals);
+ const expectedUnitAmount = new BigNumber(1000);
+ expect(unitAmount).to.be.bignumber.equal(expectedUnitAmount);
+ });
+ });
+ describe('#toBaseUnitAmount', () => {
+ it('Should return the expected base unit amount for the decimals passed in', () => {
+ const unitAmount = new BigNumber(1000);
+ const decimals = 6;
+ const baseUnitAmount = ZeroEx.toBaseUnitAmount(unitAmount, decimals);
+ const expectedUnitAmount = new BigNumber(1000000000);
+ expect(baseUnitAmount).to.be.bignumber.equal(expectedUnitAmount);
+ });
+ });
+ describe('#getOrderHashHex', () => {
+ const expectedOrderHash = '0x39da987067a3c9e5f1617694f1301326ba8c8b0498ebef5df4863bed394e3c83';
+ const fakeExchangeContractAddress = '0xb69e673309512a9d726f87304c6984054f87a93b';
+ const order: Order = {
+ maker: constants.NULL_ADDRESS,
+ taker: constants.NULL_ADDRESS,
+ feeRecipient: constants.NULL_ADDRESS,
+ makerTokenAddress: constants.NULL_ADDRESS,
+ takerTokenAddress: constants.NULL_ADDRESS,
+ exchangeContractAddress: fakeExchangeContractAddress,
+ salt: new BigNumber(0),
+ makerFee: new BigNumber(0),
+ takerFee: new BigNumber(0),
+ makerTokenAmount: new BigNumber(0),
+ takerTokenAmount: new BigNumber(0),
+ expirationUnixTimestampSec: new BigNumber(0),
+ };
+ it('calculates the order hash', async () => {
+ const orderHash = ZeroEx.getOrderHashHex(order);
+ expect(orderHash).to.be.equal(expectedOrderHash);
+ });
+ });
+ describe('#signOrderHashAsync', () => {
+ let stubs: Sinon.SinonStub[] = [];
+ let makerAddress: string;
+ before(async () => {
+ const availableAddreses = await zeroEx.getAvailableAddressesAsync();
+ makerAddress = availableAddreses[0];
+ });
+ afterEach(() => {
+ // clean up any stubs after the test has completed
+ _.each(stubs, s => s.restore());
+ stubs = [];
+ });
+ it('Should return the correct ECSignature', async () => {
+ const orderHash = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
+ const expectedECSignature = {
+ v: 27,
+ r: '0x61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc33',
+ s: '0x40349190569279751135161d22529dc25add4f6069af05be04cacbda2ace2254',
+ };
+ const ecSignature = await zeroEx.signOrderHashAsync(orderHash, makerAddress);
+ expect(ecSignature).to.deep.equal(expectedECSignature);
+ });
+ it('should return the correct ECSignature for signatureHex concatenated as R + S + V', async () => {
+ const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
+ // tslint:disable-next-line: max-line-length
+ const signature = '0x22109d11d79cb8bf96ed88625e1cd9558800c4073332a9a02857499883ee5ce3050aa3cc1f2c435e67e114cdce54b9527b4f50548342401bc5d2b77adbdacb021b';
+ const expectedECSignature = {
+ v: 27,
+ r: '0x22109d11d79cb8bf96ed88625e1cd9558800c4073332a9a02857499883ee5ce3',
+ s: '0x050aa3cc1f2c435e67e114cdce54b9527b4f50548342401bc5d2b77adbdacb02',
+ };
+ stubs = [
+ Sinon.stub((zeroEx as any)._web3Wrapper, 'signTransactionAsync')
+ .returns(Promise.resolve(signature)),
+ Sinon.stub(ZeroEx, 'isValidSignature').returns(true),
+ ];
+
+ const ecSignature = await zeroEx.signOrderHashAsync(orderHash, makerAddress);
+ expect(ecSignature).to.deep.equal(expectedECSignature);
+ });
+ it('should return the correct ECSignature for signatureHex concatenated as V + R + S', async () => {
+ const orderHash = '0xc793e33ffded933b76f2f48d9aa3339fc090399d5e7f5dec8d3660f5480793f7';
+ // tslint:disable-next-line: max-line-length
+ const signature = '0x1bc80bedc6756722672753413efdd749b5adbd4fd552595f59c13427407ee9aee02dea66f25a608bbae457e020fb6decb763deb8b7192abab624997242da248960';
+ const expectedECSignature = {
+ v: 27,
+ r: '0xc80bedc6756722672753413efdd749b5adbd4fd552595f59c13427407ee9aee0',
+ s: '0x2dea66f25a608bbae457e020fb6decb763deb8b7192abab624997242da248960',
+ };
+ stubs = [
+ Sinon.stub((zeroEx as any)._web3Wrapper, 'signTransactionAsync')
+ .returns(Promise.resolve(signature)),
+ Sinon.stub(ZeroEx, 'isValidSignature').returns(true),
+ ];
+
+ const ecSignature = await zeroEx.signOrderHashAsync(orderHash, makerAddress);
+ expect(ecSignature).to.deep.equal(expectedECSignature);
+ });
+ });
+ describe('#awaitTransactionMinedAsync', () => {
+ beforeEach(async () => {
+ await blockchainLifecycle.startAsync();
+ });
+ afterEach(async () => {
+ await blockchainLifecycle.revertAsync();
+ });
+ it('returns transaction receipt with decoded logs', async () => {
+ const availableAddresses = await zeroEx.getAvailableAddressesAsync();
+ const coinbase = availableAddresses[0];
+ const tokens = await zeroEx.tokenRegistry.getTokensAsync();
+ const tokenUtils = new TokenUtils(tokens);
+ const zrxTokenAddress = tokenUtils.getProtocolTokenOrThrow().address;
+ const proxyAddress = await zeroEx.proxy.getContractAddressAsync();
+ const txHash = await zeroEx.token.setUnlimitedProxyAllowanceAsync(zrxTokenAddress, coinbase);
+ const txReceiptWithDecodedLogs = await zeroEx.awaitTransactionMinedAsync(txHash);
+ const log = txReceiptWithDecodedLogs.logs[0] as LogWithDecodedArgs<ApprovalContractEventArgs>;
+ expect(log.event).to.be.equal(TokenEvents.Approval);
+ expect(log.args._owner).to.be.equal(coinbase);
+ expect(log.args._spender).to.be.equal(proxyAddress);
+ expect(log.args._value).to.be.bignumber.equal(zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS);
+ });
+ });
+ describe('#config', () => {
+ it('allows to specify exchange contract address', async () => {
+ const config = {
+ exchangeContractAddress: ZeroEx.NULL_ADDRESS,
+ };
+ const zeroExWithWrongExchangeAddress = new ZeroEx(web3.currentProvider, config);
+ return expect(zeroExWithWrongExchangeAddress.exchange.getContractAddressAsync())
+ .to.be.rejectedWith(ZeroExError.ContractDoesNotExist);
+ });
+ it('allows to specify ether token contract address', async () => {
+ const config = {
+ etherTokenContractAddress: ZeroEx.NULL_ADDRESS,
+ };
+ const zeroExWithWrongEtherTokenAddress = new ZeroEx(web3.currentProvider, config);
+ return expect(zeroExWithWrongEtherTokenAddress.etherToken.getContractAddressAsync())
+ .to.be.rejectedWith(ZeroExError.ContractDoesNotExist);
+ });
+ it('allows to specify token registry token contract address', async () => {
+ const config = {
+ tokenRegistryContractAddress: ZeroEx.NULL_ADDRESS,
+ };
+ const zeroExWithWrongTokenRegistryAddress = new ZeroEx(web3.currentProvider, config);
+ return expect(zeroExWithWrongTokenRegistryAddress.tokenRegistry.getContractAddressAsync())
+ .to.be.rejectedWith(ZeroExError.ContractDoesNotExist);
+ });
+ });
+});
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 21:11:44 +0800