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
|
import { web3Factory } from '@0xproject/dev-utils';
import { BigNumber } from '@0xproject/utils';
import * as chai from 'chai';
import { JSONRPCErrorCallback, JSONRPCRequestPayload } from 'ethereum-types';
import * as _ from 'lodash';
import 'make-promises-safe';
import 'mocha';
import * as Sinon from 'sinon';
import { ecSignOrderHashAsync, generatePseudoRandomSalt, MessagePrefixType, orderHashUtils } from '../src';
import { isValidECSignature, isValidSignatureAsync } from '../src/signature_utils';
import { chaiSetup } from './utils/chai_setup';
import { provider, web3Wrapper } from './utils/web3_wrapper';
chaiSetup.configure();
const expect = chai.expect;
describe('Signature utils', () => {
describe('#isValidSignature', () => {
let dataHex = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
const ethSignSignature =
'0x1B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace225403';
let address = '0x5409ed021d9299bf6814279a6a1411a7e866a631';
it("should return false if the data doesn't pertain to the signature & address", async () => {
expect(await isValidSignatureAsync(provider, '0x0', ethSignSignature, address)).to.be.false();
});
it("should return false if the address doesn't pertain to the signature & data", async () => {
const validUnrelatedAddress = '0x8b0292b11a196601ed2ce54b665cafeca0347d42';
expect(
await isValidSignatureAsync(provider, dataHex, ethSignSignature, validUnrelatedAddress),
).to.be.false();
});
it("should return false if the signature doesn't pertain to the dataHex & address", async () => {
const signatureArray = ethSignSignature.split('');
// tslint:disable-next-line:custom-no-magic-numbers
signatureArray[5] = 'C'; // V = 28, instead of 27
const wrongSignature = signatureArray.join('');
expect(await isValidSignatureAsync(provider, dataHex, wrongSignature, address)).to.be.false();
});
it('should throw if signatureType is invalid', () => {
const signatureArray = ethSignSignature.split('');
signatureArray[3] = '9'; // SignatureType w/ index 9 doesn't exist
const signatureWithInvalidType = signatureArray.join('');
expect(isValidSignatureAsync(provider, dataHex, signatureWithInvalidType, address)).to.be.rejected();
});
it('should return true for a valid Ecrecover (EthSign) signature', async () => {
const isValidSignatureLocal = await isValidSignatureAsync(provider, dataHex, ethSignSignature, address);
expect(isValidSignatureLocal).to.be.true();
});
it('should return true for a valid EIP712 signature', async () => {
dataHex = '0xa1d7403bcbbcd75ec233cfd6584ff8dabed677d0e9bb32c2bea94e9dd8a109da';
address = '0x6ecbe1db9ef729cbe972c83fb886247691fb6beb';
const eip712Signature =
'0x1bdde07aac4bf12c12ddbb155919c43eba4146a2cfcf904a862950dbebe332554c6674975603eb5a4eaf8fd7f2e06350267e5b36cda9851a89f8bb49fe2fc9afe202';
const isValidSignatureLocal = await isValidSignatureAsync(provider, dataHex, eip712Signature, address);
expect(isValidSignatureLocal).to.be.true();
});
it('should return true for a valid Trezor signature', async () => {
dataHex = '0xd0d994e31c88f33fd8a572552a70ed339de579e5ba49ee1d17cc978bbe1cdd21';
address = '0x6ecbe1db9ef729cbe972c83fb886247691fb6beb';
const trezorSignature =
'0x1ce4760660e6495b5ae6723087bea073b3a99ce98ea81fdf00c240279c010e63d05b87bc34c4d67d4776e8d5aeb023a67484f4eaf0fd353b40893e5101e845cd9908';
const isValidSignatureLocal = await isValidSignatureAsync(provider, dataHex, trezorSignature, address);
expect(isValidSignatureLocal).to.be.true();
});
});
describe('#isValidECSignature', () => {
const signature = {
v: 27,
r: '0xaca7da997ad177f040240cdccf6905b71ab16b74434388c3a72f34fd25d64393',
s: '0x46b2bac274ff29b48b3ea6e2d04c1336eaceafda3c53ab483fc3ff12fac3ebf2',
};
const data = '0x47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad';
const address = '0x0e5cb767cce09a7f3ca594df118aa519be5e2b5a';
it("should return false if the data doesn't pertain to the signature & address", async () => {
expect(isValidECSignature('0x0', signature, address)).to.be.false();
});
it("should return false if the address doesn't pertain to the signature & data", async () => {
const validUnrelatedAddress = '0x8b0292b11a196601ed2ce54b665cafeca0347d42';
expect(isValidECSignature(data, signature, validUnrelatedAddress)).to.be.false();
});
it("should return false if the signature doesn't pertain to the data & address", async () => {
const wrongSignature = _.assign({}, signature, { v: 28 });
expect(isValidECSignature(data, wrongSignature, address)).to.be.false();
});
it('should return true if the signature does pertain to the data & address', async () => {
const isValidSignatureLocal = isValidECSignature(data, signature, address);
expect(isValidSignatureLocal).to.be.true();
});
});
describe('#generateSalt', () => {
it('generates different salts', () => {
const isEqual = generatePseudoRandomSalt().eq(generatePseudoRandomSalt());
expect(isEqual).to.be.false();
});
it('generates salt in range [0..2^256)', () => {
const salt = generatePseudoRandomSalt();
expect(salt.greaterThanOrEqualTo(0)).to.be.true();
// tslint:disable-next-line:custom-no-magic-numbers
const twoPow256 = new BigNumber(2).pow(256);
expect(salt.lessThan(twoPow256)).to.be.true();
});
});
describe('#ecSignOrderHashAsync', () => {
let stubs: Sinon.SinonStub[] = [];
let makerAddress: string;
before(async () => {
const availableAddreses = await web3Wrapper.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 messagePrefixOpts = {
prefixType: MessagePrefixType.EthSign,
shouldAddPrefixBeforeCallingEthSign: false,
};
const ecSignature = await ecSignOrderHashAsync(provider, orderHash, makerAddress, messagePrefixOpts);
expect(ecSignature).to.deep.equal(expectedECSignature);
});
it('should return the correct ECSignature for signatureHex concatenated as R + S + V', async () => {
const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
const expectedECSignature = {
v: 27,
r: '0x117902c86dfb95fe0d1badd983ee166ad259b27acb220174cbb4460d87287113',
s: '0x7feabdfe76e05924b484789f79af4ee7fa29ec006cedce1bbf369320d034e10b',
};
const fakeProvider = {
async sendAsync(payload: JSONRPCRequestPayload, callback: JSONRPCErrorCallback): Promise<void> {
if (payload.method === 'eth_sign') {
const [address, message] = payload.params;
const signature = await web3Wrapper.signMessageAsync(address, message);
// tslint:disable-next-line:custom-no-magic-numbers
const rsvHex = `0x${signature.substr(130)}${signature.substr(2, 128)}`;
callback(null, {
id: 42,
jsonrpc: '2.0',
result: rsvHex,
});
} else {
callback(null, { id: 42, jsonrpc: '2.0', result: [makerAddress] });
}
},
};
const messagePrefixOpts = {
prefixType: MessagePrefixType.EthSign,
shouldAddPrefixBeforeCallingEthSign: false,
};
const ecSignature = await ecSignOrderHashAsync(fakeProvider, orderHash, makerAddress, messagePrefixOpts);
expect(ecSignature).to.deep.equal(expectedECSignature);
});
it('should return the correct ECSignature for signatureHex concatenated as V + R + S', async () => {
const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
const expectedECSignature = {
v: 27,
r: '0x117902c86dfb95fe0d1badd983ee166ad259b27acb220174cbb4460d87287113',
s: '0x7feabdfe76e05924b484789f79af4ee7fa29ec006cedce1bbf369320d034e10b',
};
const fakeProvider = {
async sendAsync(payload: JSONRPCRequestPayload, callback: JSONRPCErrorCallback): Promise<void> {
if (payload.method === 'eth_sign') {
const [address, message] = payload.params;
const signature = await web3Wrapper.signMessageAsync(address, message);
callback(null, {
id: 42,
jsonrpc: '2.0',
result: signature,
});
} else {
callback(null, { id: 42, jsonrpc: '2.0', result: [makerAddress] });
}
},
};
const messagePrefixOpts = {
prefixType: MessagePrefixType.EthSign,
shouldAddPrefixBeforeCallingEthSign: false,
};
const ecSignature = await ecSignOrderHashAsync(fakeProvider, orderHash, makerAddress, messagePrefixOpts);
expect(ecSignature).to.deep.equal(expectedECSignature);
});
});
});
|
