83 lines
3.9 KiB
TypeScript
83 lines
3.9 KiB
TypeScript
import { orderFactory } from '@0x/order-utils/lib/src/order_factory';
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import { SignedOrder } from '@0x/types';
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import { BigNumber } from '@0x/utils';
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import { Web3Wrapper } from '@0x/web3-wrapper';
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import * as chai from 'chai';
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import 'mocha';
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import { constants } from '../src/constants';
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import { utils } from '../src/utils/utils';
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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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const TOKEN_DECIMALS = 18;
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const WETH_DECIMALS = constants.ETHER_TOKEN_DECIMALS;
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const baseUnitAmount = (unitAmount: number, decimals = TOKEN_DECIMALS): BigNumber => {
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return Web3Wrapper.toBaseUnitAmount(new BigNumber(unitAmount), decimals);
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};
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// tslint:disable:custom-no-magic-numbers
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describe('utils', () => {
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// orders
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const sellTwoTokensFor1Weth: SignedOrder = orderFactory.createSignedOrderFromPartial({
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chainId: 42,
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makerAssetAmount: baseUnitAmount(2),
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takerAssetAmount: baseUnitAmount(1, WETH_DECIMALS),
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});
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const sellTenTokensFor10Weth: SignedOrder = orderFactory.createSignedOrderFromPartial({
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chainId: 42,
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makerAssetAmount: baseUnitAmount(10),
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takerAssetAmount: baseUnitAmount(10, WETH_DECIMALS),
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});
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const sellTwoTokensFor1WethWithTwoTokenFee: SignedOrder = orderFactory.createSignedOrderFromPartial({
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chainId: 42,
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makerAssetAmount: baseUnitAmount(2),
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takerAssetAmount: baseUnitAmount(1, WETH_DECIMALS),
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takerFee: baseUnitAmount(2),
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});
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const sellTenTokensFor1WethWithFourTokenFee: SignedOrder = orderFactory.createSignedOrderFromPartial({
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chainId: 42,
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makerAssetAmount: baseUnitAmount(2),
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takerAssetAmount: baseUnitAmount(1, WETH_DECIMALS),
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takerFee: baseUnitAmount(4),
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});
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describe('isFeeOrdersRequiredToFillOrders', async () => {
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it('should return true if ordersAndFillableAmounts is completed unfilled and has fees', () => {
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const ordersAndFillableAmounts = {
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orders: [sellTwoTokensFor1WethWithTwoTokenFee, sellTenTokensFor1WethWithFourTokenFee],
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remainingFillableMakerAssetAmounts: [baseUnitAmount(1), baseUnitAmount(10)],
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};
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const isFeeOrdersRequired = utils.isFeeOrdersRequiredToFillOrders(ordersAndFillableAmounts);
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expect(isFeeOrdersRequired).to.equal(true);
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});
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it('should return true if ordersAndFillableAmounts is partially unfilled and has fees', () => {
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const ordersAndFillableAmounts = {
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orders: [sellTwoTokensFor1WethWithTwoTokenFee, sellTenTokensFor1WethWithFourTokenFee],
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remainingFillableMakerAssetAmounts: [baseUnitAmount(0), baseUnitAmount(5)],
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};
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const isFeeOrdersRequired = utils.isFeeOrdersRequiredToFillOrders(ordersAndFillableAmounts);
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expect(isFeeOrdersRequired).to.equal(true);
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});
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it('should return false if ordersAndFillableAmounts is completed filled and has fees', () => {
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const ordersAndFillableAmounts = {
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orders: [sellTwoTokensFor1WethWithTwoTokenFee, sellTenTokensFor1WethWithFourTokenFee],
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remainingFillableMakerAssetAmounts: [baseUnitAmount(0), baseUnitAmount(0)],
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};
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const isFeeOrdersRequired = utils.isFeeOrdersRequiredToFillOrders(ordersAndFillableAmounts);
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expect(isFeeOrdersRequired).to.equal(false);
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});
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it("should return false if ordersAndFillableAmounts is completely unfilled and doesn't have fees", () => {
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const ordersAndFillableAmounts = {
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orders: [sellTwoTokensFor1Weth, sellTenTokensFor10Weth],
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remainingFillableMakerAssetAmounts: [baseUnitAmount(1), baseUnitAmount(10)],
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};
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const isFeeOrdersRequired = utils.isFeeOrdersRequiredToFillOrders(ordersAndFillableAmounts);
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expect(isFeeOrdersRequired).to.equal(false);
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});
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});
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});
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