Expose eth_signTypedData functionality for order signing

This commit is contained in:
Jacob Evans
2018-10-01 20:37:13 +10:00
parent 119f8c9449
commit adcfaa2e80
10 changed files with 245 additions and 531 deletions

View File

@@ -1,12 +1,13 @@
import { SignerType } from '@0xproject/types';
import { Order, SignatureType, SignerType } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import * as chai from 'chai';
import { JSONRPCErrorCallback, JSONRPCRequestPayload } from 'ethereum-types';
import * as ethUtil from 'ethereumjs-util';
import * as _ from 'lodash';
import 'mocha';
import * as Sinon from 'sinon';
import { generatePseudoRandomSalt } from '../src';
import { generatePseudoRandomSalt, orderHashUtils } from '../src';
import { constants } from '../src/constants';
import { signatureUtils } from '../src/signature_utils';
import { chaiSetup } from './utils/chai_setup';
@@ -115,19 +116,53 @@ describe('Signature utils', () => {
expect(salt.lessThan(twoPow256)).to.be.true();
});
});
describe('#ecSignOrderAsync', () => {
let makerAddress: string;
const fakeExchangeContractAddress = '0x1dc4c1cefef38a777b15aa20260a54e584b16c48';
let order: Order;
before(async () => {
const availableAddreses = await web3Wrapper.getAvailableAddressesAsync();
makerAddress = availableAddreses[0];
order = {
makerAddress,
takerAddress: constants.NULL_ADDRESS,
senderAddress: constants.NULL_ADDRESS,
feeRecipientAddress: constants.NULL_ADDRESS,
makerAssetData: constants.NULL_ADDRESS,
takerAssetData: constants.NULL_ADDRESS,
exchangeAddress: fakeExchangeContractAddress,
salt: new BigNumber(0),
makerFee: new BigNumber(0),
takerFee: new BigNumber(0),
makerAssetAmount: new BigNumber(0),
takerAssetAmount: new BigNumber(0),
expirationTimeSeconds: new BigNumber(0),
};
});
it('should result in the same signature as signing order hash without prefix', async () => {
const orderHashHex = orderHashUtils.getOrderHashHex(order);
const sig = ethUtil.ecsign(
ethUtil.toBuffer(orderHashHex),
Buffer.from('F2F48EE19680706196E2E339E5DA3491186E0C4C5030670656B0E0164837257D', 'hex'),
);
const signatureBuffer = Buffer.concat([
ethUtil.toBuffer(sig.v),
ethUtil.toBuffer(sig.r),
ethUtil.toBuffer(sig.s),
ethUtil.toBuffer(SignatureType.EIP712),
]);
const signatureHex = `0x${signatureBuffer.toString('hex')}`;
const eip712Signature = await signatureUtils.ecSignOrderAsync(provider, order, makerAddress);
expect(signatureHex).to.eq(eip712Signature);
});
});
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 () => {
it('should return the correct Signature', async () => {
const orderHash = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
const expectedSignature =
'0x1b61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace225403';