add affiliate fee utils

packages/asset-swapper/test/affiliate_fee_utils_test.ts

@@ -0,0 +1,38 @@
+// import { SignedOrder } from '@0x/types';
+// import { BigNumber } from '@0x/utils';
+// import * as chai from 'chai';
+// import 'mocha';
+// import * as TypeMoq from 'typemoq';
+
+// import { constants } from '../src/constants';
+// import { } from '../src/types';
+// import { affiliateFeeUtils } from '../src/utils/affiliate_fee_utils';
+
+// import { chaiSetup } from './utils/chai_setup';
+// import { getDummySwapQuotesWithNoFees } from './utils/swap_quote';
+
+// chaiSetup.configure();
+// const expect = chai.expect;
+
+// const FAKE_TAKER_ASSET_DATA = '0xf47261b00000000000000000000000001dc4c1cefef38a777b15aa20260a54e584b16c48';
+// const FAKE_MAKER_ASSET_DATA = '0xf47261b00000000000000000000000009f5B0C7e1623793bF0620569b9749e79DF6D0bC5';
+// const NULL_ADDRESS = constants.NULL_ADDRESS;
+// const FEE_PERCENTAGE = 0.05;
+
+// describe('affiliateFeeUtils', () => {
+//     const dummySwapQuotes = getDummySwapQuotesWithNoFees(FAKE_MAKER_ASSET_DATA, FAKE_TAKER_ASSET_DATA, NULL_ADDRESS);
+
+//     describe('getSwapQuoteWithAffiliateFee', () => {
+//         it('should return unchanged swapQuote if feePercentage is 0', () => {
+//             const updatedSwapQuote = affiliateFeeUtils.getSwapQuoteWithAffiliateFee(dummySwapQuotes.fullyFilled, 0);
+//             expect(updatedSwapQuote).to.deep.equal(dummySwapQuotes.fullyFilled);
+//         });
+//         it('should return correct feeTakerToken and totalTakerToken amounts when provides SwapQuote with no fees', () => {
+//             const updatedSwapQuote = affiliateFeeUtils.getSwapQuoteWithAffiliateFee(dummySwapQuotes.partiallyFilled, FEE_PERCENTAGE);
+
+//         });
+//         it('should return correct feeTakerToken and totalTakerToken amounts when provides SwapQuote with fees', () => {
+
+//         });
+//     });
+// });