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import { Order } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import * as chai from 'chai';
import 'mocha';
import { constants, orderHashUtils } from '../src';
import { chaiSetup } from './utils/chai_setup';
chaiSetup.configure();
const expect = chai.expect;
describe('Order hashing', () => {
describe('#getOrderHashHex', () => {
const expectedOrderHash = '0x434c6b41e2fb6dfcfe1b45c4492fb03700798e9c1afc6f801ba6203f948c1fa7';
const fakeExchangeContractAddress = '0x1dc4c1cefef38a777b15aa20260a54e584b16c48';
const order: Order = {
makerAddress: constants.NULL_ADDRESS,
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('calculates the order hash', async () => {
const orderHash = orderHashUtils.getOrderHashHex(order);
expect(orderHash).to.be.equal(expectedOrderHash);
});
it('throws a readable error message if taker format is invalid', async () => {
const orderWithInvalidtakerFormat = {
...order,
takerAddress: (null as any) as string,
};
const expectedErrorMessage =
'Order taker must be of type string. If you want anyone to be able to fill an order - pass ZeroEx.NULL_ADDRESS';
expect(() => orderHashUtils.getOrderHashHex(orderWithInvalidtakerFormat)).to.throw(expectedErrorMessage);
});
});
describe('#isValidOrderHash', () => {
it('returns false if the value is not a hex string', () => {
const isValid = orderHashUtils.isValidOrderHash('not a hex');
expect(isValid).to.be.false();
});
it('returns false if the length is wrong', () => {
const isValid = orderHashUtils.isValidOrderHash('0xdeadbeef');
expect(isValid).to.be.false();
});
it('returns true if order hash is correct', () => {
const orderHashLength = 65;
const isValid = orderHashUtils.isValidOrderHash('0x' + Array(orderHashLength).join('0'));
expect(isValid).to.be.true();
});
});
});
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