294 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			294 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import { SignerType } from '@0xproject/types';
 | 
						|
import { BigNumber } from '@0xproject/utils';
 | 
						|
import * as chai from 'chai';
 | 
						|
import { JSONRPCErrorCallback, JSONRPCRequestPayload } from 'ethereum-types';
 | 
						|
import * as _ from 'lodash';
 | 
						|
import 'mocha';
 | 
						|
import * as Sinon from 'sinon';
 | 
						|
 | 
						|
import { generatePseudoRandomSalt } from '../src';
 | 
						|
import { signatureUtils } 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('#isValidSignatureAsync', () => {
 | 
						|
        let dataHex = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
 | 
						|
        const ethSignSignature =
 | 
						|
            '0x1B61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace225403';
 | 
						|
        let address = '0x5409ed021d9299bf6814279a6a1411a7e866a631';
 | 
						|
 | 
						|
        it("should return false if the data doesn't pertain to the signature & address", async () => {
 | 
						|
            const bytes32Zeros = '0x0000000000000000000000000000000000000000000000000000000000000000';
 | 
						|
            expect(
 | 
						|
                await signatureUtils.isValidSignatureAsync(provider, bytes32Zeros, 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 signatureUtils.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 signatureUtils.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(
 | 
						|
                signatureUtils.isValidSignatureAsync(provider, dataHex, signatureWithInvalidType, address),
 | 
						|
            ).to.be.rejected();
 | 
						|
        });
 | 
						|
 | 
						|
        it('should return true for a valid Ecrecover (EthSign) signature', async () => {
 | 
						|
            const isValidSignatureLocal = await signatureUtils.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 signatureUtils.isValidSignatureAsync(
 | 
						|
                provider,
 | 
						|
                dataHex,
 | 
						|
                eip712Signature,
 | 
						|
                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(signatureUtils.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(signatureUtils.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(signatureUtils.isValidECSignature(data, wrongSignature, address)).to.be.false();
 | 
						|
        });
 | 
						|
        it('should return true if the signature does pertain to the data & address', async () => {
 | 
						|
            const isValidSignatureLocal = signatureUtils.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 Signature', async () => {
 | 
						|
            const orderHash = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
 | 
						|
            const expectedSignature =
 | 
						|
                '0x1b61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace225403';
 | 
						|
            const ecSignature = await signatureUtils.ecSignOrderHashAsync(
 | 
						|
                provider,
 | 
						|
                orderHash,
 | 
						|
                makerAddress,
 | 
						|
                SignerType.Default,
 | 
						|
            );
 | 
						|
            expect(ecSignature).to.equal(expectedSignature);
 | 
						|
        });
 | 
						|
        it('should return the correct Signature for signatureHex concatenated as R + S + V', async () => {
 | 
						|
            const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
 | 
						|
            const expectedSignature =
 | 
						|
                '0x1b117902c86dfb95fe0d1badd983ee166ad259b27acb220174cbb4460d872871137feabdfe76e05924b484789f79af4ee7fa29ec006cedce1bbf369320d034e10b03';
 | 
						|
 | 
						|
            const fakeProvider = {
 | 
						|
                async sendAsync(payload: JSONRPCRequestPayload, callback: JSONRPCErrorCallback): Promise<void> {
 | 
						|
                    if (payload.method === 'eth_sign') {
 | 
						|
                        const [address, message] = payload.params;
 | 
						|
                        expect(message).to.equal(orderHash);
 | 
						|
                        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 ecSignature = await signatureUtils.ecSignOrderHashAsync(
 | 
						|
                fakeProvider,
 | 
						|
                orderHash,
 | 
						|
                makerAddress,
 | 
						|
                SignerType.Default,
 | 
						|
            );
 | 
						|
            expect(ecSignature).to.equal(expectedSignature);
 | 
						|
        });
 | 
						|
        it('should return the correct Signature for signatureHex concatenated as V + R + S', async () => {
 | 
						|
            const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
 | 
						|
            const expectedSignature =
 | 
						|
                '0x1b117902c86dfb95fe0d1badd983ee166ad259b27acb220174cbb4460d872871137feabdfe76e05924b484789f79af4ee7fa29ec006cedce1bbf369320d034e10b03';
 | 
						|
            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 ecSignature = await signatureUtils.ecSignOrderHashAsync(
 | 
						|
                fakeProvider,
 | 
						|
                orderHash,
 | 
						|
                makerAddress,
 | 
						|
                SignerType.Default,
 | 
						|
            );
 | 
						|
            expect(ecSignature).to.equal(expectedSignature);
 | 
						|
        });
 | 
						|
        // Note this is due to a bug in Metamask where it does not prefix before signing, this is a known issue and is to be fixed in the future
 | 
						|
        // Source: https://github.com/MetaMask/metamask-extension/commit/a9d36860bec424dcee8db043d3e7da6a5ff5672e
 | 
						|
        it('should receive a payload modified with a prefix when Metamask is SignerType', async () => {
 | 
						|
            const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
 | 
						|
            const orderHashPrefixed = '0xae70f31d26096291aa681b26cb7574563956221d0b4213631e1ef9df675d4cba';
 | 
						|
            const expectedSignature =
 | 
						|
                '0x1b117902c86dfb95fe0d1badd983ee166ad259b27acb220174cbb4460d872871137feabdfe76e05924b484789f79af4ee7fa29ec006cedce1bbf369320d034e10b03';
 | 
						|
            // Generated from a MM eth_sign request from 0x5409ed021d9299bf6814279a6a1411a7e866a631 signing 0xae70f31d26096291aa681b26cb7574563956221d0b4213631e1ef9df675d4cba
 | 
						|
            const metamaskSignature =
 | 
						|
                '0x117902c86dfb95fe0d1badd983ee166ad259b27acb220174cbb4460d872871137feabdfe76e05924b484789f79af4ee7fa29ec006cedce1bbf369320d034e10b1b';
 | 
						|
            const fakeProvider = {
 | 
						|
                async sendAsync(payload: JSONRPCRequestPayload, callback: JSONRPCErrorCallback): Promise<void> {
 | 
						|
                    if (payload.method === 'eth_sign') {
 | 
						|
                        const [, message] = payload.params;
 | 
						|
                        expect(message).to.equal(orderHashPrefixed);
 | 
						|
                        callback(null, {
 | 
						|
                            id: 42,
 | 
						|
                            jsonrpc: '2.0',
 | 
						|
                            result: metamaskSignature,
 | 
						|
                        });
 | 
						|
                    } else {
 | 
						|
                        callback(null, { id: 42, jsonrpc: '2.0', result: [makerAddress] });
 | 
						|
                    }
 | 
						|
                },
 | 
						|
            };
 | 
						|
 | 
						|
            const ecSignature = await signatureUtils.ecSignOrderHashAsync(
 | 
						|
                fakeProvider,
 | 
						|
                orderHash,
 | 
						|
                makerAddress,
 | 
						|
                SignerType.Metamask,
 | 
						|
            );
 | 
						|
            expect(ecSignature).to.equal(expectedSignature);
 | 
						|
        });
 | 
						|
        it('should return a valid signature', async () => {
 | 
						|
            const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
 | 
						|
            const ecSignature = await signatureUtils.ecSignOrderHashAsync(
 | 
						|
                provider,
 | 
						|
                orderHash,
 | 
						|
                makerAddress,
 | 
						|
                SignerType.Default,
 | 
						|
            );
 | 
						|
 | 
						|
            const isValidSignature = await signatureUtils.isValidSignatureAsync(
 | 
						|
                provider,
 | 
						|
                orderHash,
 | 
						|
                ecSignature,
 | 
						|
                makerAddress,
 | 
						|
            );
 | 
						|
            expect(isValidSignature).to.be.true();
 | 
						|
        });
 | 
						|
    });
 | 
						|
    describe('#convertECSignatureToSignatureHex', () => {
 | 
						|
        const ecSignature: ECSignature = {
 | 
						|
            v: 27,
 | 
						|
            r: '0xaca7da997ad177f040240cdccf6905b71ab16b74434388c3a72f34fd25d64393',
 | 
						|
            s: '0x46b2bac274ff29b48b3ea6e2d04c1336eaceafda3c53ab483fc3ff12fac3ebf2',
 | 
						|
        };
 | 
						|
        it('should concatenate v,r,s and append the EthSign signature type when SignerType is Default', async () => {
 | 
						|
            const expectedSignatureWithSignatureType =
 | 
						|
                '0x1baca7da997ad177f040240cdccf6905b71ab16b74434388c3a72f34fd25d6439346b2bac274ff29b48b3ea6e2d04c1336eaceafda3c53ab483fc3ff12fac3ebf203';
 | 
						|
            const signatureWithSignatureType = signatureUtils.convertECSignatureToSignatureHex(
 | 
						|
                ecSignature,
 | 
						|
                SignerType.Default,
 | 
						|
            );
 | 
						|
            expect(signatureWithSignatureType).to.equal(expectedSignatureWithSignatureType);
 | 
						|
        });
 | 
						|
        it('should concatenate v,r,s and append the EthSign signature type when SignerType is Ledger', async () => {
 | 
						|
            const expectedSignatureWithSignatureType =
 | 
						|
                '0x1baca7da997ad177f040240cdccf6905b71ab16b74434388c3a72f34fd25d6439346b2bac274ff29b48b3ea6e2d04c1336eaceafda3c53ab483fc3ff12fac3ebf203';
 | 
						|
            const signatureWithSignatureType = signatureUtils.convertECSignatureToSignatureHex(
 | 
						|
                ecSignature,
 | 
						|
                SignerType.Ledger,
 | 
						|
            );
 | 
						|
            expect(signatureWithSignatureType).to.equal(expectedSignatureWithSignatureType);
 | 
						|
        });
 | 
						|
        it('should concatenate v,r,s and append the EthSign signature type when SignerType is Metamask', async () => {
 | 
						|
            const expectedSignatureWithSignatureType =
 | 
						|
                '0x1baca7da997ad177f040240cdccf6905b71ab16b74434388c3a72f34fd25d6439346b2bac274ff29b48b3ea6e2d04c1336eaceafda3c53ab483fc3ff12fac3ebf203';
 | 
						|
            const signatureWithSignatureType = signatureUtils.convertECSignatureToSignatureHex(
 | 
						|
                ecSignature,
 | 
						|
                SignerType.Metamask,
 | 
						|
            );
 | 
						|
            expect(signatureWithSignatureType).to.equal(expectedSignatureWithSignatureType);
 | 
						|
        });
 | 
						|
        it('should throw if the SignerType is invalid', async () => {
 | 
						|
            const expectedMessage = 'Unrecognized SignerType: INVALID_SIGNER';
 | 
						|
            expect(() =>
 | 
						|
                signatureUtils.convertECSignatureToSignatureHex(ecSignature, 'INVALID_SIGNER' as SignerType),
 | 
						|
            ).to.throw(expectedMessage);
 | 
						|
        });
 | 
						|
    });
 | 
						|
});
 |