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import { BigNumber } from '@0x/utils';
import * as chai from 'chai';
import 'mocha';
import { sortingUtils } from '../src';
import { chaiSetup } from './utils/chai_setup';
import { testOrderFactory } from './utils/test_order_factory';
chaiSetup.configure();
const expect = chai.expect;
describe('sortingUtils', () => {
describe('#sortOrdersByFeeAdjustedRate', () => {
const feeRate = new BigNumber(1); // ZRX costs 1 unit of takerAsset per 1 unit of ZRX
// rate: 2 takerAsset / makerAsset
const testOrder1 = testOrderFactory.generateTestSignedOrder({
makerAssetAmount: new BigNumber(100),
takerAssetAmount: new BigNumber(200),
});
// rate: 1 takerAsset / makerAsset
const testOrder2 = testOrderFactory.generateTestSignedOrder({
makerAssetAmount: new BigNumber(100),
takerAssetAmount: new BigNumber(100),
});
// rate: 2.5 takerAsset / makerAsset
const testOrder3 = testOrderFactory.generateTestSignedOrder({
makerAssetAmount: new BigNumber(100),
takerAssetAmount: new BigNumber(200),
takerFee: new BigNumber(50),
});
it('correctly sorts by fee adjusted rate when feeRate is Provided', async () => {
const orders = [testOrder1, testOrder2, testOrder3];
const sortedOrders = sortingUtils.sortOrdersByFeeAdjustedRate(orders, feeRate);
expect(sortedOrders).to.deep.equal([testOrder2, testOrder1, testOrder3]);
});
it('correctly sorts by fee adjusted rate when no feeRate is Provided', async () => {
const orders = [testOrder1, testOrder2, testOrder3];
const sortedOrders = sortingUtils.sortOrdersByFeeAdjustedRate(orders);
expect(sortedOrders).to.deep.equal([testOrder2, testOrder1, testOrder3]);
});
});
describe('#sortFeeOrdersByFeeAdjustedRate', () => {
// rate: 200 takerAsset / makerAsset
const testOrder1 = testOrderFactory.generateTestSignedOrder({
makerAssetAmount: new BigNumber(100),
takerAssetAmount: new BigNumber(200),
takerFee: new BigNumber(99),
});
// rate: 1 takerAsset / makerAsset
const testOrder2 = testOrderFactory.generateTestSignedOrder({
makerAssetAmount: new BigNumber(100),
takerAssetAmount: new BigNumber(100),
});
// rate: 4 takerAsset / makerAsset
const testOrder3 = testOrderFactory.generateTestSignedOrder({
makerAssetAmount: new BigNumber(100),
takerAssetAmount: new BigNumber(200),
takerFee: new BigNumber(50),
});
it('correctly sorts by fee adjusted rate', async () => {
const orders = [testOrder1, testOrder2, testOrder3];
const sortedOrders = sortingUtils.sortFeeOrdersByFeeAdjustedRate(orders);
expect(sortedOrders).to.deep.equal([testOrder2, testOrder3, testOrder1]);
});
});
});
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