aboutsummaryrefslogtreecommitdiffstats
path: root/packages/0x.js/test/0x.js_test.ts
blob: 245946a8941cce5f2cb15a4d8dbeac6558e9a9d7 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
import {BlockchainLifecycle} from '@0xproject/dev-utils';
import BigNumber from 'bignumber.js';
import * as chai from 'chai';
import * as _ from 'lodash';
import 'mocha';
import * as Sinon from 'sinon';

import {ApprovalContractEventArgs, LogWithDecodedArgs, Order, TokenEvents, ZeroEx} from '../src';

import {chaiSetup} from './utils/chai_setup';
import {constants} from './utils/constants';
import {TokenUtils} from './utils/token_utils';
import {web3Factory} from './utils/web3_factory';

const blockchainLifecycle = new BlockchainLifecycle(constants.RPC_URL);
chaiSetup.configure();
const expect = chai.expect;

describe('ZeroEx library', () => {
    const web3 = web3Factory.create();
    const config = {
        networkId: constants.TESTRPC_NETWORK_ID,
    };
    const zeroEx = new ZeroEx(web3.currentProvider, config);
    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;
            zeroEx.setProvider(newProvider, constants.TESTRPC_NETWORK_ID);

            // 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).zeroExTestId).to.be.a('number');
            const exchangeWeb3WrapperProvider = (zeroEx.exchange as any)._web3Wrapper.getCurrentProvider();
            expect((exchangeWeb3WrapperProvider).zeroExTestId).to.be.a('number');
            const tokenRegistryWeb3WrapperProvider = (zeroEx.tokenRegistry as any)._web3Wrapper.getCurrentProvider();
            expect((tokenRegistryWeb3WrapperProvider).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();
            return expect(
                (zeroEx.exchange as any)._isValidSignatureUsingContractCallAsync(dataHex, signature, address),
            ).to.become(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 throw if invalid baseUnit amount supplied as argument', () => {
            const invalidBaseUnitAmount = new BigNumber(1000000000.4);
            const decimals = 6;
            expect(() => ZeroEx.toUnitAmount(invalidBaseUnitAmount, decimals))
                .to.throw('amount should be in baseUnits (no decimals), found value: 1000000000.4');
        });
        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);
        });
        it('should throw if unitAmount has more decimals then specified as the max decimal precision', () => {
            const unitAmount = new BigNumber(0.823091);
            const decimals = 5;
            expect(() => ZeroEx.toBaseUnitAmount(unitAmount, decimals))
                .to.throw('Invalid unit amount: 0.823091 - Too many decimal places');
        });
    });
    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);
        });
        it('throws a readable error message if taker format is invalid', async () => {
            const orderWithInvalidtakerFormat = {
                ...order,
                taker: null as any as string,
            };
            // tslint:disable-next-line:max-line-length
            const expectedErrorMessage = 'Order taker must be of type string. If you want anyone to be able to fill an order - pass ZeroEx.NULL_ADDRESS';
            expect(() => ZeroEx.getOrderHashHex(orderWithInvalidtakerFormat)).to.throw(expectedErrorMessage);
        });
    });
    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 = zeroEx.proxy.getContractAddress();
            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 zeroExConfig = {
                exchangeContractAddress: ZeroEx.NULL_ADDRESS,
                networkId: constants.TESTRPC_NETWORK_ID,
            };
            const zeroExWithWrongExchangeAddress = new ZeroEx(web3.currentProvider, zeroExConfig);
            expect(zeroExWithWrongExchangeAddress.exchange.getContractAddress()).to.be.equal(ZeroEx.NULL_ADDRESS);
        });
        it('allows to specify token registry token contract address', async () => {
            const zeroExConfig = {
                tokenRegistryContractAddress: ZeroEx.NULL_ADDRESS,
                networkId: constants.TESTRPC_NETWORK_ID,
            };
            const zeroExWithWrongTokenRegistryAddress = new ZeroEx(web3.currentProvider, zeroExConfig);
            expect(zeroExWithWrongTokenRegistryAddress.tokenRegistry.getContractAddress())
                .to.be.equal(ZeroEx.NULL_ADDRESS);
        });
    });
});