86 lines
3.7 KiB
TypeScript
86 lines
3.7 KiB
TypeScript
import { Order } from '@0x/types';
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import { BigNumber } from '@0x/utils';
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import * as chai from 'chai';
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import 'mocha';
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import { orderHashUtils } from '../src';
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import { constants } from '../src/constants';
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import { chaiSetup } from './utils/chai_setup';
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chaiSetup.configure();
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const expect = chai.expect;
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describe('Order hashing', () => {
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describe('#getOrderHashHex', () => {
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// const expectedOrderHash = '0x507a818f74a0400444af08a1f58fa99b8df80ace57bfbdb5da304d9d1713e8ba';
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const expectedOrderHash = '0x67f2637ce3098736611e86a1fd6fa25bef559d547c8751813f80e76507f344ab';
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const fakeExchangeContractAddress = '0x1dc4c1cefef38a777b15aa20260a54e584b16c48';
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const fakeChainID = 1337;
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const order: Order = {
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makerAddress: constants.NULL_ADDRESS,
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takerAddress: constants.NULL_ADDRESS,
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senderAddress: constants.NULL_ADDRESS,
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feeRecipientAddress: constants.NULL_ADDRESS,
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makerAssetData: constants.NULL_ADDRESS,
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takerAssetData: constants.NULL_ADDRESS,
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makerFeeAssetData: constants.NULL_ADDRESS,
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takerFeeAssetData: constants.NULL_ADDRESS,
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salt: new BigNumber(0),
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makerFee: new BigNumber(0),
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takerFee: new BigNumber(0),
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makerAssetAmount: new BigNumber(0),
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takerAssetAmount: new BigNumber(0),
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expirationTimeSeconds: new BigNumber(0),
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domain: {
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verifyingContractAddress: fakeExchangeContractAddress,
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chainId: fakeChainID,
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},
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};
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it('calculates the order hash', async () => {
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const orderHash = orderHashUtils.getOrderHashHex(order);
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expect(orderHash).to.be.equal(expectedOrderHash);
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});
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it('calculates the order hash if amounts are strings', async () => {
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// It's common for developers using javascript to provide the amounts
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// as strings. Since we eventually toString() the BigNumber
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// before encoding we should result in the same orderHash in this scenario
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// tslint:disable-next-line:no-unnecessary-type-assertion
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const orderHash = orderHashUtils.getOrderHashHex({
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...order,
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makerAssetAmount: '0',
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takerAssetAmount: '0',
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makerFee: '0',
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takerFee: '0',
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} as any);
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expect(orderHash).to.be.equal(expectedOrderHash);
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});
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it('throws a readable error message if taker format is invalid', async () => {
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const orderWithInvalidtakerFormat = {
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...order,
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takerAddress: (null as any) as string,
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};
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const expectedErrorMessage = `Order taker must be of type string. If you want anyone to be able to fill an order - pass ${
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constants.NULL_ADDRESS
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}`;
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expect(() => orderHashUtils.getOrderHashHex(orderWithInvalidtakerFormat)).to.throw(expectedErrorMessage);
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});
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});
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describe('#isValidOrderHash', () => {
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it('returns false if the value is not a hex string', () => {
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const isValid = orderHashUtils.isValidOrderHash('not a hex');
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expect(isValid).to.be.false();
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});
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it('returns false if the length is wrong', () => {
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const isValid = orderHashUtils.isValidOrderHash('0xdeadbeef');
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expect(isValid).to.be.false();
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});
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it('returns true if order hash is correct', () => {
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const orderHashLength = 65;
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const isValid = orderHashUtils.isValidOrderHash(`0x${Array(orderHashLength).join('0')}`);
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expect(isValid).to.be.true();
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});
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});
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});
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