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diff --git a/packages/contracts/test/exchange/fill_order.ts b/packages/contracts/test/exchange/fill_order.ts
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+import { BlockchainLifecycle } from '@0xproject/dev-utils';
+import * as _ from 'lodash';
+
+import { chaiSetup } from '../../src/utils/chai_setup';
+import { CoreCombinatorialUtils, coreCombinatorialUtilsFactoryAsync } from '../../src/utils/core_combinatorial_utils';
+import { provider, txDefaults, web3Wrapper } from '../../src/utils/web3_wrapper';
+
+import {
+ AllowanceAmountScenario,
+ AssetDataScenario,
+ BalanceAmountScenario,
+ ExpirationTimeSecondsScenario,
+ FeeRecipientAddressScenario,
+ FillScenario,
+ OrderAssetAmountScenario,
+ TakerAssetFillAmountScenario,
+ TakerScenario,
+} from '../../src/utils/types';
+
+chaiSetup.configure();
+const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
+
+const defaultFillScenario = {
+ orderScenario: {
+ takerScenario: TakerScenario.Unspecified,
+ feeRecipientScenario: FeeRecipientAddressScenario.EthUserAddress,
+ makerAssetAmountScenario: OrderAssetAmountScenario.Large,
+ takerAssetAmountScenario: OrderAssetAmountScenario.Large,
+ makerFeeScenario: OrderAssetAmountScenario.Large,
+ takerFeeScenario: OrderAssetAmountScenario.Large,
+ expirationTimeSecondsScenario: ExpirationTimeSecondsScenario.InFuture,
+ makerAssetDataScenario: AssetDataScenario.ERC20NonZRXEighteenDecimals,
+ takerAssetDataScenario: AssetDataScenario.ERC20NonZRXEighteenDecimals,
+ },
+ takerAssetFillAmountScenario: TakerAssetFillAmountScenario.LessThanRemainingFillableTakerAssetAmount,
+ makerStateScenario: {
+ traderAssetBalance: BalanceAmountScenario.Higher,
+ traderAssetAllowance: AllowanceAmountScenario.Higher,
+ zrxFeeBalance: BalanceAmountScenario.Higher,
+ zrxFeeAllowance: AllowanceAmountScenario.Higher,
+ },
+ takerStateScenario: {
+ traderAssetBalance: BalanceAmountScenario.Higher,
+ traderAssetAllowance: AllowanceAmountScenario.Higher,
+ zrxFeeBalance: BalanceAmountScenario.Higher,
+ zrxFeeAllowance: AllowanceAmountScenario.Higher,
+ },
+};
+
+describe('FillOrder Tests', () => {
+ let coreCombinatorialUtils: CoreCombinatorialUtils;
+
+ before(async () => {
+ await blockchainLifecycle.startAsync();
+ coreCombinatorialUtils = await coreCombinatorialUtilsFactoryAsync(web3Wrapper, txDefaults);
+ });
+ after(async () => {
+ await blockchainLifecycle.revertAsync();
+ });
+ beforeEach(async () => {
+ await blockchainLifecycle.startAsync();
+ });
+ afterEach(async () => {
+ await blockchainLifecycle.revertAsync();
+ });
+ describe('fillOrder', () => {
+ const test = (fillScenarios: FillScenario[]) => {
+ _.forEach(fillScenarios, fillScenario => {
+ const orderScenario = fillScenario.orderScenario;
+ const description = `Combinatorial OrderFill: ${orderScenario.feeRecipientScenario} ${
+ orderScenario.makerAssetAmountScenario
+ } ${orderScenario.takerAssetAmountScenario} ${orderScenario.makerFeeScenario} ${
+ orderScenario.takerFeeScenario
+ } ${orderScenario.expirationTimeSecondsScenario} ${orderScenario.makerAssetDataScenario} ${
+ orderScenario.takerAssetDataScenario
+ }`;
+ it(description, async () => {
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+ });
+ };
+
+ const allFillScenarios = CoreCombinatorialUtils.generateFillOrderCombinations();
+ describe('Combinatorially generated fills orders', () => test(allFillScenarios));
+
+ it('should transfer the correct amounts when makerAssetAmount === takerAssetAmount', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+ it('should transfer the correct amounts when makerAssetAmount > takerAssetAmount', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ takerAssetAmountScenario: OrderAssetAmountScenario.Small,
+ },
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+ it('should transfer the correct amounts when makerAssetAmount < takerAssetAmount', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ makerAssetAmountScenario: OrderAssetAmountScenario.Small,
+ },
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+ it('should transfer the correct amounts when taker is specified and order is claimed by taker', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ takerScenario: TakerScenario.CorrectlySpecified,
+ },
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+ it('should fill remaining value if takerAssetFillAmount > remaining takerAssetAmount', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ takerAssetFillAmountScenario: TakerAssetFillAmountScenario.GreaterThanRemainingFillableTakerAssetAmount,
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+ it('should throw when taker is specified and order is claimed by other', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ takerScenario: TakerScenario.IncorrectlySpecified,
+ },
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+
+ it('should throw if makerAssetAmount is 0', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ makerAssetAmountScenario: OrderAssetAmountScenario.Zero,
+ },
+ takerAssetFillAmountScenario: TakerAssetFillAmountScenario.GreaterThanRemainingFillableTakerAssetAmount,
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+
+ it('should throw if takerAssetAmount is 0', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ takerAssetAmountScenario: OrderAssetAmountScenario.Zero,
+ },
+ takerAssetFillAmountScenario: TakerAssetFillAmountScenario.GreaterThanRemainingFillableTakerAssetAmount,
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+
+ it('should throw if takerAssetFillAmount is 0', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ takerAssetFillAmountScenario: TakerAssetFillAmountScenario.Zero,
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+
+ it('should throw if an order is expired', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ expirationTimeSecondsScenario: ExpirationTimeSecondsScenario.InPast,
+ },
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+
+ it('should throw if maker erc20Balances are too low to fill order', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ makerStateScenario: {
+ ...defaultFillScenario.makerStateScenario,
+ traderAssetBalance: BalanceAmountScenario.TooLow,
+ },
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+
+ it('should throw if taker erc20Balances are too low to fill order', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ takerStateScenario: {
+ ...defaultFillScenario.makerStateScenario,
+ traderAssetBalance: BalanceAmountScenario.TooLow,
+ },
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+
+ it('should throw if maker allowances are too low to fill order', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ makerStateScenario: {
+ ...defaultFillScenario.makerStateScenario,
+ traderAssetAllowance: AllowanceAmountScenario.TooLow,
+ },
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+
+ it('should throw if taker allowances are too low to fill order', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ takerStateScenario: {
+ ...defaultFillScenario.makerStateScenario,
+ traderAssetAllowance: AllowanceAmountScenario.TooLow,
+ },
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+ });
+
+ describe('Testing Exchange of ERC721 Tokens', () => {
+ it('should successfully exchange a single token between the maker and taker (via fillOrder)', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ makerAssetDataScenario: AssetDataScenario.ERC721,
+ takerAssetDataScenario: AssetDataScenario.ERC721,
+ },
+ takerAssetFillAmountScenario: TakerAssetFillAmountScenario.ExactlyRemainingFillableTakerAssetAmount,
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+
+ it('should successfully fill order when makerAsset is ERC721 and takerAsset is ERC20', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ makerAssetDataScenario: AssetDataScenario.ERC721,
+ takerAssetDataScenario: AssetDataScenario.ERC20NonZRXEighteenDecimals,
+ },
+ takerAssetFillAmountScenario: TakerAssetFillAmountScenario.ExactlyRemainingFillableTakerAssetAmount,
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario, true);
+ });
+
+ it('should successfully fill order when makerAsset is ERC20 and takerAsset is ERC721', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ makerAssetDataScenario: AssetDataScenario.ERC20NonZRXEighteenDecimals,
+ takerAssetDataScenario: AssetDataScenario.ERC721,
+ },
+ takerAssetFillAmountScenario: TakerAssetFillAmountScenario.ExactlyRemainingFillableTakerAssetAmount,
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+
+ it('should successfully fill order when makerAsset is ERC721 and approveAll is set for it', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ makerAssetDataScenario: AssetDataScenario.ERC721,
+ takerAssetDataScenario: AssetDataScenario.ERC20NonZRXEighteenDecimals,
+ },
+ takerAssetFillAmountScenario: TakerAssetFillAmountScenario.ExactlyRemainingFillableTakerAssetAmount,
+ makerStateScenario: {
+ ...defaultFillScenario.makerStateScenario,
+ traderAssetAllowance: AllowanceAmountScenario.Unlimited,
+ },
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+
+ it('should successfully fill order when makerAsset and takerAsset are ERC721 and approveAll is set for them', async () => {
+ const fillScenario = {
+ ...defaultFillScenario,
+ orderScenario: {
+ ...defaultFillScenario.orderScenario,
+ makerAssetDataScenario: AssetDataScenario.ERC721,
+ takerAssetDataScenario: AssetDataScenario.ERC721,
+ },
+ takerAssetFillAmountScenario: TakerAssetFillAmountScenario.ExactlyRemainingFillableTakerAssetAmount,
+ makerStateScenario: {
+ ...defaultFillScenario.makerStateScenario,
+ traderAssetAllowance: AllowanceAmountScenario.Unlimited,
+ },
+ takerStateScenario: {
+ ...defaultFillScenario.takerStateScenario,
+ traderAssetAllowance: AllowanceAmountScenario.Unlimited,
+ },
+ };
+ await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+ });
+ });
+});