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
|
import * as _ from 'lodash';
import * as chai from 'chai';
import 'mocha';
import * as BigNumber from 'bignumber.js';
import ChaiBigNumber = require('chai-bignumber');
import * as Sinon from 'sinon';
import {ZeroEx} from '../src/0x.js';
import {constants} from './utils/constants';
import {web3Factory} from './utils/web3_factory';
// Use BigNumber chai add-on
chai.use(ChaiBigNumber());
const expect = chai.expect;
describe('ZeroEx library', () => {
describe('#getOrderHash', () => {
const expectedOrderHash = '0x103a5e97dab5dbeb8f385636f86a7d1e458a7ccbe1bd194727f0b2f85ab116c7';
it('defaults takerAddress to NULL address', () => {
const orderHash = ZeroEx.getOrderHashHex(
constants.NULL_ADDRESS,
constants.NULL_ADDRESS,
'',
constants.NULL_ADDRESS,
constants.NULL_ADDRESS,
constants.NULL_ADDRESS,
new BigNumber(0),
new BigNumber(0),
new BigNumber(0),
new BigNumber(0),
new BigNumber(0),
new BigNumber(0),
);
expect(orderHash).to.be.equal(expectedOrderHash);
});
it('calculates the order hash', () => {
const orderHash = ZeroEx.getOrderHashHex(
constants.NULL_ADDRESS,
constants.NULL_ADDRESS,
constants.NULL_ADDRESS,
constants.NULL_ADDRESS,
constants.NULL_ADDRESS,
constants.NULL_ADDRESS,
new BigNumber(0),
new BigNumber(0),
new BigNumber(0),
new BigNumber(0),
new BigNumber(0),
new BigNumber(0),
);
expect(orderHash).to.be.equal(expectedOrderHash);
});
});
describe('#isValidSignature', () => {
// This test data was borrowed from the JSON RPC documentation
// Source: https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_sign
const data = '0xdeadbeaf';
const signature = {
v: 27,
r: '0xa3f20717a250c2b0b729b7e5becbff67fdaef7e0699da4de7ca5895b02a170a1',
s: '0x2d887fd3b17bfdce3481f10bea41f45ba9f709d39ce8325427b57afcfc994cee',
};
const address = '0x9b2055d370f73ec7d8a03e965129118dc8f5bf83';
describe('should throw if passed a malformed signature', () => {
it('malformed v', () => {
const malformedSignature = {
v: 34,
r: signature.r,
s: signature.s,
};
expect(() => ZeroEx.isValidSignature(data, malformedSignature, address)).to.throw();
});
it('r lacks 0x prefix', () => {
const malformedR = signature.r.replace('0x', '');
const malformedSignature = {
v: signature.v,
r: malformedR,
s: signature.s,
};
expect(() => ZeroEx.isValidSignature(data, malformedSignature, address)).to.throw();
});
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.isValidSignature(data, malformedSignature, address)).to.throw();
});
it('s is not hex', () => {
const malformedS = signature.s.replace('0', 'z');
const malformedSignature = {
v: signature.v,
r: signature.r,
s: malformedS,
};
expect(() => ZeroEx.isValidSignature(data, malformedSignature, address)).to.throw();
});
});
it('should return false if the data doesn\'t pertain to the signature & address', () => {
const isValid = ZeroEx.isValidSignature('0x0', signature, address);
expect(isValid).to.be.false;
});
it('should return false if the address doesn\'t pertain to the signature & data', () => {
const validUnrelatedAddress = '0x8b0292B11a196601eD2ce54B665CaFEca0347D42';
const isValid = ZeroEx.isValidSignature(data, signature, validUnrelatedAddress);
expect(isValid).to.be.false;
});
it('should return false if the signature doesn\'t pertain to the data & address', () => {
const wrongSignature = _.assign({}, signature, {v: 28});
const isValid = ZeroEx.isValidSignature(data, wrongSignature, address);
expect(isValid).to.be.false;
});
it('should return true if the signature does pertain to the data & address', () => {
const isValid = ZeroEx.isValidSignature(data, signature, address);
expect(isValid).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('#signOrderHashAsync', () => {
let stubs: Sinon.SinonStub[] = [];
afterEach(() => {
// clean up any stubs after the test has completed
_.each(stubs, s => s.restore());
});
it ('Should return the correct ECSignature on TestPRC nodeVersion', async () => {
const orderHash = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
const expectedECSignature = {
v: 27,
r: '0x61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc33',
s: '0x40349190569279751135161d22529dc25add4f6069af05be04cacbda2ace2254',
};
const web3 = web3Factory.create();
const zeroEx = new ZeroEx(web3);
const ecSignature = await zeroEx.signOrderHashAsync(orderHash);
expect(ecSignature).to.deep.equal(expectedECSignature);
});
it ('should return the correct ECSignature on Party > V1.6.6', async () => {
const newParityNodeVersion = 'Parity//v1.6.7-beta-e128418-20170518/x86_64-macos/rustc1.17.0';
const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
// tslint:disable-next-line: max-line-length
const signature = '0x22109d11d79cb8bf96ed88625e1cd9558800c4073332a9a02857499883ee5ce3050aa3cc1f2c435e67e114cdce54b9527b4f50548342401bc5d2b77adbdacb021b';
const expectedECSignature = {
v: 27,
r: '0x22109d11d79cb8bf96ed88625e1cd9558800c4073332a9a02857499883ee5ce3',
s: '0x050aa3cc1f2c435e67e114cdce54b9527b4f50548342401bc5d2b77adbdacb02',
};
const web3 = web3Factory.create();
const zeroEx = new ZeroEx(web3);
stubs = [
Sinon.stub(zeroEx.web3Wrapper, 'getNodeVersionAsync')
.returns(Promise.resolve(newParityNodeVersion)),
Sinon.stub(zeroEx.web3Wrapper, 'signTransactionAsync')
.returns(Promise.resolve(signature)),
Sinon.stub(ZeroEx, 'isValidSignature').returns(true),
];
const ecSignature = await zeroEx.signOrderHashAsync(orderHash);
expect(ecSignature).to.deep.equal(expectedECSignature);
});
it ('should return the correct ECSignature on Party < V1.6.6', async () => {
const newParityNodeVersion = 'Parity//v1.6.6-beta-8c6e3f3-20170411/x86_64-macos/rustc1.16.0';
const orderHash = '0xc793e33ffded933b76f2f48d9aa3339fc090399d5e7f5dec8d3660f5480793f7';
// tslint:disable-next-line: max-line-length
const signature = '0x1bc80bedc6756722672753413efdd749b5adbd4fd552595f59c13427407ee9aee02dea66f25a608bbae457e020fb6decb763deb8b7192abab624997242da248960';
const expectedECSignature = {
v: 27,
r: '0xc80bedc6756722672753413efdd749b5adbd4fd552595f59c13427407ee9aee0',
s: '0x2dea66f25a608bbae457e020fb6decb763deb8b7192abab624997242da248960',
};
const web3 = web3Factory.create();
const zeroEx = new ZeroEx(web3);
stubs = [
Sinon.stub(zeroEx.web3Wrapper, 'getNodeVersionAsync')
.returns(Promise.resolve(newParityNodeVersion)),
Sinon.stub(zeroEx.web3Wrapper, 'signTransactionAsync')
.returns(Promise.resolve(signature)),
Sinon.stub(ZeroEx, 'isValidSignature').returns(true),
];
const ecSignature = await zeroEx.signOrderHashAsync(orderHash);
expect(ecSignature).to.deep.equal(expectedECSignature);
});
});
});
|
