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diff --git a/contracts/core/test/utils/fill_order_combinatorial_utils.ts b/contracts/core/test/utils/fill_order_combinatorial_utils.ts
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+++ b/contracts/core/test/utils/fill_order_combinatorial_utils.ts
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+import {
+ assetDataUtils,
+ BalanceAndProxyAllowanceLazyStore,
+ ExchangeTransferSimulator,
+ orderHashUtils,
+ OrderStateUtils,
+ OrderValidationUtils,
+} from '@0x/order-utils';
+import { AssetProxyId, RevertReason, SignatureType, SignedOrder } from '@0x/types';
+import { BigNumber, errorUtils, logUtils } from '@0x/utils';
+import { Web3Wrapper } from '@0x/web3-wrapper';
+import * as chai from 'chai';
+import { LogWithDecodedArgs, Provider, TxData } from 'ethereum-types';
+import * as _ from 'lodash';
+import 'make-promises-safe';
+
+import { ExchangeContract, ExchangeFillEventArgs } from '../../generated-wrappers/exchange';
+import { TestLibsContract } from '../../generated-wrappers/test_libs';
+import { artifacts } from '../../src/artifacts';
+
+import { expectTransactionFailedAsync } from './assertions';
+import { AssetWrapper } from './asset_wrapper';
+import { chaiSetup } from './chai_setup';
+import { constants } from './constants';
+import { ERC20Wrapper } from './erc20_wrapper';
+import { ERC721Wrapper } from './erc721_wrapper';
+import { ExchangeWrapper } from './exchange_wrapper';
+import { OrderFactoryFromScenario } from './order_factory_from_scenario';
+import { orderUtils } from './order_utils';
+import { signingUtils } from './signing_utils';
+import { SimpleAssetBalanceAndProxyAllowanceFetcher } from './simple_asset_balance_and_proxy_allowance_fetcher';
+import { SimpleOrderFilledCancelledFetcher } from './simple_order_filled_cancelled_fetcher';
+import {
+ AllowanceAmountScenario,
+ AssetDataScenario,
+ BalanceAmountScenario,
+ ExpirationTimeSecondsScenario,
+ FeeRecipientAddressScenario,
+ FillScenario,
+ OrderAssetAmountScenario,
+ TakerAssetFillAmountScenario,
+ TakerScenario,
+ TraderStateScenario,
+} from './types';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+/**
+ * Instantiates a new instance of FillOrderCombinatorialUtils. Since this method has some
+ * required async setup, a factory method is required.
+ * @param web3Wrapper Web3Wrapper instance
+ * @param txDefaults Default Ethereum tx options
+ * @return FillOrderCombinatorialUtils instance
+ */
+export async function fillOrderCombinatorialUtilsFactoryAsync(
+ web3Wrapper: Web3Wrapper,
+ txDefaults: Partial<TxData>,
+): Promise<FillOrderCombinatorialUtils> {
+ const accounts = await web3Wrapper.getAvailableAddressesAsync();
+ const userAddresses = _.slice(accounts, 0, 5);
+ const [ownerAddress, makerAddress, takerAddress] = userAddresses;
+ const makerPrivateKey = constants.TESTRPC_PRIVATE_KEYS[userAddresses.indexOf(makerAddress)];
+
+ const provider = web3Wrapper.getProvider();
+ const erc20Wrapper = new ERC20Wrapper(provider, userAddresses, ownerAddress);
+ const erc721Wrapper = new ERC721Wrapper(provider, userAddresses, ownerAddress);
+
+ const erc20EighteenDecimalTokenCount = 3;
+ const eighteenDecimals = new BigNumber(18);
+ const [
+ erc20EighteenDecimalTokenA,
+ erc20EighteenDecimalTokenB,
+ zrxToken,
+ ] = await erc20Wrapper.deployDummyTokensAsync(erc20EighteenDecimalTokenCount, eighteenDecimals);
+ const zrxAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address);
+
+ const erc20FiveDecimalTokenCount = 2;
+ const fiveDecimals = new BigNumber(5);
+ const [erc20FiveDecimalTokenA, erc20FiveDecimalTokenB] = await erc20Wrapper.deployDummyTokensAsync(
+ erc20FiveDecimalTokenCount,
+ fiveDecimals,
+ );
+ const zeroDecimals = new BigNumber(0);
+ const erc20ZeroDecimalTokenCount = 2;
+ const [erc20ZeroDecimalTokenA, erc20ZeroDecimalTokenB] = await erc20Wrapper.deployDummyTokensAsync(
+ erc20ZeroDecimalTokenCount,
+ zeroDecimals,
+ );
+ const erc20Proxy = await erc20Wrapper.deployProxyAsync();
+ await erc20Wrapper.setBalancesAndAllowancesAsync();
+
+ const [erc721Token] = await erc721Wrapper.deployDummyTokensAsync();
+ const erc721Proxy = await erc721Wrapper.deployProxyAsync();
+ await erc721Wrapper.setBalancesAndAllowancesAsync();
+ const erc721Balances = await erc721Wrapper.getBalancesAsync();
+
+ const assetWrapper = new AssetWrapper([erc20Wrapper, erc721Wrapper]);
+
+ const exchangeContract = await ExchangeContract.deployFrom0xArtifactAsync(
+ artifacts.Exchange,
+ provider,
+ txDefaults,
+ zrxAssetData,
+ );
+ const exchangeWrapper = new ExchangeWrapper(exchangeContract, provider);
+ await exchangeWrapper.registerAssetProxyAsync(erc20Proxy.address, ownerAddress);
+ await exchangeWrapper.registerAssetProxyAsync(erc721Proxy.address, ownerAddress);
+
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchangeContract.address, {
+ from: ownerAddress,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+ await web3Wrapper.awaitTransactionSuccessAsync(
+ await erc721Proxy.addAuthorizedAddress.sendTransactionAsync(exchangeContract.address, {
+ from: ownerAddress,
+ }),
+ constants.AWAIT_TRANSACTION_MINED_MS,
+ );
+
+ const orderFactory = new OrderFactoryFromScenario(
+ userAddresses,
+ zrxToken.address,
+ [erc20EighteenDecimalTokenA.address, erc20EighteenDecimalTokenB.address],
+ [erc20FiveDecimalTokenA.address, erc20FiveDecimalTokenB.address],
+ [erc20ZeroDecimalTokenA.address, erc20ZeroDecimalTokenB.address],
+ erc721Token,
+ erc721Balances,
+ exchangeContract.address,
+ );
+
+ const testLibsContract = await TestLibsContract.deployFrom0xArtifactAsync(artifacts.TestLibs, provider, txDefaults);
+
+ const fillOrderCombinatorialUtils = new FillOrderCombinatorialUtils(
+ orderFactory,
+ ownerAddress,
+ makerAddress,
+ makerPrivateKey,
+ takerAddress,
+ zrxAssetData,
+ exchangeWrapper,
+ assetWrapper,
+ testLibsContract,
+ );
+ return fillOrderCombinatorialUtils;
+}
+
+export class FillOrderCombinatorialUtils {
+ public orderFactory: OrderFactoryFromScenario;
+ public ownerAddress: string;
+ public makerAddress: string;
+ public makerPrivateKey: Buffer;
+ public takerAddress: string;
+ public zrxAssetData: string;
+ public exchangeWrapper: ExchangeWrapper;
+ public assetWrapper: AssetWrapper;
+ public testLibsContract: TestLibsContract;
+ public static generateFillOrderCombinations(): FillScenario[] {
+ const takerScenarios = [
+ TakerScenario.Unspecified,
+ // TakerScenario.CorrectlySpecified,
+ // TakerScenario.IncorrectlySpecified,
+ ];
+ const feeRecipientScenarios = [
+ FeeRecipientAddressScenario.EthUserAddress,
+ // FeeRecipientAddressScenario.BurnAddress,
+ ];
+ const makerAssetAmountScenario = [
+ OrderAssetAmountScenario.Large,
+ // OrderAssetAmountScenario.Zero,
+ // OrderAssetAmountScenario.Small,
+ ];
+ const takerAssetAmountScenario = [
+ OrderAssetAmountScenario.Large,
+ // OrderAssetAmountScenario.Zero,
+ // OrderAssetAmountScenario.Small,
+ ];
+ const makerFeeScenario = [
+ OrderAssetAmountScenario.Large,
+ // OrderAssetAmountScenario.Small,
+ // OrderAssetAmountScenario.Zero,
+ ];
+ const takerFeeScenario = [
+ OrderAssetAmountScenario.Large,
+ // OrderAssetAmountScenario.Small,
+ // OrderAssetAmountScenario.Zero,
+ ];
+ const expirationTimeSecondsScenario = [
+ ExpirationTimeSecondsScenario.InFuture,
+ ExpirationTimeSecondsScenario.InPast,
+ ];
+ const makerAssetDataScenario = [
+ AssetDataScenario.ERC20FiveDecimals,
+ AssetDataScenario.ERC20NonZRXEighteenDecimals,
+ AssetDataScenario.ERC721,
+ AssetDataScenario.ZRXFeeToken,
+ ];
+ const takerAssetDataScenario = [
+ AssetDataScenario.ERC20FiveDecimals,
+ AssetDataScenario.ERC20NonZRXEighteenDecimals,
+ AssetDataScenario.ERC721,
+ AssetDataScenario.ZRXFeeToken,
+ ];
+ const takerAssetFillAmountScenario = [
+ TakerAssetFillAmountScenario.ExactlyRemainingFillableTakerAssetAmount,
+ // TakerAssetFillAmountScenario.GreaterThanRemainingFillableTakerAssetAmount,
+ // TakerAssetFillAmountScenario.LessThanRemainingFillableTakerAssetAmount,
+ ];
+ const makerAssetBalanceScenario = [
+ BalanceAmountScenario.Higher,
+ // BalanceAmountScenario.Exact,
+ // BalanceAmountScenario.TooLow,
+ ];
+ const makerAssetAllowanceScenario = [
+ AllowanceAmountScenario.Higher,
+ // AllowanceAmountScenario.Exact,
+ // AllowanceAmountScenario.TooLow,
+ // AllowanceAmountScenario.Unlimited,
+ ];
+ const makerZRXBalanceScenario = [
+ BalanceAmountScenario.Higher,
+ // BalanceAmountScenario.Exact,
+ // BalanceAmountScenario.TooLow,
+ ];
+ const makerZRXAllowanceScenario = [
+ AllowanceAmountScenario.Higher,
+ // AllowanceAmountScenario.Exact,
+ // AllowanceAmountScenario.TooLow,
+ // AllowanceAmountScenario.Unlimited,
+ ];
+ const takerAssetBalanceScenario = [
+ BalanceAmountScenario.Higher,
+ // BalanceAmountScenario.Exact,
+ // BalanceAmountScenario.TooLow,
+ ];
+ const takerAssetAllowanceScenario = [
+ AllowanceAmountScenario.Higher,
+ // AllowanceAmountScenario.Exact,
+ // AllowanceAmountScenario.TooLow,
+ // AllowanceAmountScenario.Unlimited,
+ ];
+ const takerZRXBalanceScenario = [
+ BalanceAmountScenario.Higher,
+ // BalanceAmountScenario.Exact,
+ // BalanceAmountScenario.TooLow,
+ ];
+ const takerZRXAllowanceScenario = [
+ AllowanceAmountScenario.Higher,
+ // AllowanceAmountScenario.Exact,
+ // AllowanceAmountScenario.TooLow,
+ // AllowanceAmountScenario.Unlimited,
+ ];
+ const fillScenarioArrays = FillOrderCombinatorialUtils._getAllCombinations([
+ takerScenarios,
+ feeRecipientScenarios,
+ makerAssetAmountScenario,
+ takerAssetAmountScenario,
+ makerFeeScenario,
+ takerFeeScenario,
+ expirationTimeSecondsScenario,
+ makerAssetDataScenario,
+ takerAssetDataScenario,
+ takerAssetFillAmountScenario,
+ makerAssetBalanceScenario,
+ makerAssetAllowanceScenario,
+ makerZRXBalanceScenario,
+ makerZRXAllowanceScenario,
+ takerAssetBalanceScenario,
+ takerAssetAllowanceScenario,
+ takerZRXBalanceScenario,
+ takerZRXAllowanceScenario,
+ ]);
+
+ const fillScenarios = _.map(fillScenarioArrays, fillScenarioArray => {
+ // tslint:disable:custom-no-magic-numbers
+ const fillScenario: FillScenario = {
+ orderScenario: {
+ takerScenario: fillScenarioArray[0] as TakerScenario,
+ feeRecipientScenario: fillScenarioArray[1] as FeeRecipientAddressScenario,
+ makerAssetAmountScenario: fillScenarioArray[2] as OrderAssetAmountScenario,
+ takerAssetAmountScenario: fillScenarioArray[3] as OrderAssetAmountScenario,
+ makerFeeScenario: fillScenarioArray[4] as OrderAssetAmountScenario,
+ takerFeeScenario: fillScenarioArray[5] as OrderAssetAmountScenario,
+ expirationTimeSecondsScenario: fillScenarioArray[6] as ExpirationTimeSecondsScenario,
+ makerAssetDataScenario: fillScenarioArray[7] as AssetDataScenario,
+ takerAssetDataScenario: fillScenarioArray[8] as AssetDataScenario,
+ },
+ takerAssetFillAmountScenario: fillScenarioArray[9] as TakerAssetFillAmountScenario,
+ makerStateScenario: {
+ traderAssetBalance: fillScenarioArray[10] as BalanceAmountScenario,
+ traderAssetAllowance: fillScenarioArray[11] as AllowanceAmountScenario,
+ zrxFeeBalance: fillScenarioArray[12] as BalanceAmountScenario,
+ zrxFeeAllowance: fillScenarioArray[13] as AllowanceAmountScenario,
+ },
+ takerStateScenario: {
+ traderAssetBalance: fillScenarioArray[14] as BalanceAmountScenario,
+ traderAssetAllowance: fillScenarioArray[15] as AllowanceAmountScenario,
+ zrxFeeBalance: fillScenarioArray[16] as BalanceAmountScenario,
+ zrxFeeAllowance: fillScenarioArray[17] as AllowanceAmountScenario,
+ },
+ };
+ // tslint:enable:custom-no-magic-numbers
+ return fillScenario;
+ });
+
+ return fillScenarios;
+ }
+ /**
+ * Recursive implementation of generating all combinations of the supplied
+ * string-containing arrays.
+ */
+ private static _getAllCombinations(arrays: string[][]): string[][] {
+ // Base case
+ if (arrays.length === 1) {
+ const remainingValues = _.map(arrays[0], val => {
+ return [val];
+ });
+ return remainingValues;
+ } else {
+ const result = [];
+ const restOfArrays = arrays.slice(1);
+ const allCombinationsOfRemaining = FillOrderCombinatorialUtils._getAllCombinations(restOfArrays); // recur with the rest of array
+ // tslint:disable:prefer-for-of
+ for (let i = 0; i < allCombinationsOfRemaining.length; i++) {
+ for (let j = 0; j < arrays[0].length; j++) {
+ result.push([arrays[0][j], ...allCombinationsOfRemaining[i]]);
+ }
+ }
+ // tslint:enable:prefer-for-of
+ return result;
+ }
+ }
+ constructor(
+ orderFactory: OrderFactoryFromScenario,
+ ownerAddress: string,
+ makerAddress: string,
+ makerPrivateKey: Buffer,
+ takerAddress: string,
+ zrxAssetData: string,
+ exchangeWrapper: ExchangeWrapper,
+ assetWrapper: AssetWrapper,
+ testLibsContract: TestLibsContract,
+ ) {
+ this.orderFactory = orderFactory;
+ this.ownerAddress = ownerAddress;
+ this.makerAddress = makerAddress;
+ this.makerPrivateKey = makerPrivateKey;
+ this.takerAddress = takerAddress;
+ this.zrxAssetData = zrxAssetData;
+ this.exchangeWrapper = exchangeWrapper;
+ this.assetWrapper = assetWrapper;
+ this.testLibsContract = testLibsContract;
+ }
+ public async testFillOrderScenarioAsync(
+ provider: Provider,
+ fillScenario: FillScenario,
+ isVerbose: boolean = false,
+ ): Promise<void> {
+ // 1. Generate order
+ const order = this.orderFactory.generateOrder(fillScenario.orderScenario);
+
+ // 2. Sign order
+ const orderHashBuff = orderHashUtils.getOrderHashBuffer(order);
+ const signature = signingUtils.signMessage(orderHashBuff, this.makerPrivateKey, SignatureType.EthSign);
+ const signedOrder = {
+ ...order,
+ signature: `0x${signature.toString('hex')}`,
+ };
+
+ const balanceAndProxyAllowanceFetcher = new SimpleAssetBalanceAndProxyAllowanceFetcher(this.assetWrapper);
+ const orderFilledCancelledFetcher = new SimpleOrderFilledCancelledFetcher(
+ this.exchangeWrapper,
+ this.zrxAssetData,
+ );
+
+ // 3. Figure out fill amount
+ const takerAssetFillAmount = await this._getTakerAssetFillAmountAsync(
+ signedOrder,
+ fillScenario.takerAssetFillAmountScenario,
+ balanceAndProxyAllowanceFetcher,
+ orderFilledCancelledFetcher,
+ );
+
+ // 4. Permutate the maker and taker balance/allowance scenarios
+ await this._modifyTraderStateAsync(
+ fillScenario.makerStateScenario,
+ fillScenario.takerStateScenario,
+ signedOrder,
+ takerAssetFillAmount,
+ );
+
+ // 5. If I fill it by X, what are the resulting balances/allowances/filled amounts expected?
+ const orderValidationUtils = new OrderValidationUtils(orderFilledCancelledFetcher, provider);
+ const lazyStore = new BalanceAndProxyAllowanceLazyStore(balanceAndProxyAllowanceFetcher);
+ const exchangeTransferSimulator = new ExchangeTransferSimulator(lazyStore);
+
+ let fillRevertReasonIfExists;
+ try {
+ await orderValidationUtils.validateFillOrderThrowIfInvalidAsync(
+ exchangeTransferSimulator,
+ provider,
+ signedOrder,
+ takerAssetFillAmount,
+ this.takerAddress,
+ this.zrxAssetData,
+ );
+ if (isVerbose) {
+ logUtils.log(`Expecting fillOrder to succeed.`);
+ }
+ } catch (err) {
+ fillRevertReasonIfExists = err.message;
+ if (isVerbose) {
+ logUtils.log(`Expecting fillOrder to fail with:`);
+ logUtils.log(err);
+ }
+ }
+
+ // 6. Fill the order
+ await this._fillOrderAndAssertOutcomeAsync(
+ signedOrder,
+ takerAssetFillAmount,
+ lazyStore,
+ fillRevertReasonIfExists,
+ );
+
+ await this._abiEncodeFillOrderAndAssertOutcomeAsync(signedOrder, takerAssetFillAmount);
+ }
+ private async _fillOrderAndAssertOutcomeAsync(
+ signedOrder: SignedOrder,
+ takerAssetFillAmount: BigNumber,
+ lazyStore: BalanceAndProxyAllowanceLazyStore,
+ fillRevertReasonIfExists: RevertReason | undefined,
+ ): Promise<void> {
+ if (!_.isUndefined(fillRevertReasonIfExists)) {
+ return expectTransactionFailedAsync(
+ this.exchangeWrapper.fillOrderAsync(signedOrder, this.takerAddress, { takerAssetFillAmount }),
+ fillRevertReasonIfExists,
+ );
+ }
+
+ const makerAddress = signedOrder.makerAddress;
+ const makerAssetData = signedOrder.makerAssetData;
+ const takerAssetData = signedOrder.takerAssetData;
+ const feeRecipient = signedOrder.feeRecipientAddress;
+
+ const expMakerAssetBalanceOfMaker = await lazyStore.getBalanceAsync(makerAssetData, makerAddress);
+ const expMakerAssetAllowanceOfMaker = await lazyStore.getProxyAllowanceAsync(makerAssetData, makerAddress);
+ const expTakerAssetBalanceOfMaker = await lazyStore.getBalanceAsync(takerAssetData, makerAddress);
+ const expZRXAssetBalanceOfMaker = await lazyStore.getBalanceAsync(this.zrxAssetData, makerAddress);
+ const expZRXAssetAllowanceOfMaker = await lazyStore.getProxyAllowanceAsync(this.zrxAssetData, makerAddress);
+ const expTakerAssetBalanceOfTaker = await lazyStore.getBalanceAsync(takerAssetData, this.takerAddress);
+ const expTakerAssetAllowanceOfTaker = await lazyStore.getProxyAllowanceAsync(takerAssetData, this.takerAddress);
+ const expMakerAssetBalanceOfTaker = await lazyStore.getBalanceAsync(makerAssetData, this.takerAddress);
+ const expZRXAssetBalanceOfTaker = await lazyStore.getBalanceAsync(this.zrxAssetData, this.takerAddress);
+ const expZRXAssetAllowanceOfTaker = await lazyStore.getProxyAllowanceAsync(
+ this.zrxAssetData,
+ this.takerAddress,
+ );
+ const expZRXAssetBalanceOfFeeRecipient = await lazyStore.getBalanceAsync(this.zrxAssetData, feeRecipient);
+
+ const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
+ const alreadyFilledTakerAmount = await this.exchangeWrapper.getTakerAssetFilledAmountAsync(orderHash);
+ const remainingTakerAmountToFill = signedOrder.takerAssetAmount.minus(alreadyFilledTakerAmount);
+ const expFilledTakerAmount = takerAssetFillAmount.gt(remainingTakerAmountToFill)
+ ? remainingTakerAmountToFill
+ : alreadyFilledTakerAmount.add(takerAssetFillAmount);
+
+ const expFilledMakerAmount = orderUtils.getPartialAmountFloor(
+ expFilledTakerAmount,
+ signedOrder.takerAssetAmount,
+ signedOrder.makerAssetAmount,
+ );
+ const expMakerFeePaid = orderUtils.getPartialAmountFloor(
+ expFilledTakerAmount,
+ signedOrder.takerAssetAmount,
+ signedOrder.makerFee,
+ );
+ const expTakerFeePaid = orderUtils.getPartialAmountFloor(
+ expFilledTakerAmount,
+ signedOrder.takerAssetAmount,
+ signedOrder.takerFee,
+ );
+ const fillResults = await this.exchangeWrapper.getFillOrderResultsAsync(signedOrder, this.takerAddress, {
+ takerAssetFillAmount,
+ });
+ expect(fillResults.takerAssetFilledAmount).to.be.bignumber.equal(
+ expFilledTakerAmount,
+ 'takerAssetFilledAmount',
+ );
+ expect(fillResults.makerAssetFilledAmount).to.be.bignumber.equal(
+ expFilledMakerAmount,
+ 'makerAssetFilledAmount',
+ );
+ expect(fillResults.takerFeePaid).to.be.bignumber.equal(expTakerFeePaid, 'takerFeePaid');
+ expect(fillResults.makerFeePaid).to.be.bignumber.equal(expMakerFeePaid, 'makerFeePaid');
+
+ // - Let's fill the order!
+ const txReceipt = await this.exchangeWrapper.fillOrderAsync(signedOrder, this.takerAddress, {
+ takerAssetFillAmount,
+ });
+
+ const actFilledTakerAmount = await this.exchangeWrapper.getTakerAssetFilledAmountAsync(orderHash);
+ expect(actFilledTakerAmount).to.be.bignumber.equal(expFilledTakerAmount, 'filledTakerAmount');
+
+ const exchangeLogs = _.filter(
+ txReceipt.logs,
+ txLog => txLog.address === this.exchangeWrapper.getExchangeAddress(),
+ );
+ expect(exchangeLogs.length).to.be.equal(1, 'logs length');
+ // tslint:disable-next-line:no-unnecessary-type-assertion
+ const log = txReceipt.logs[0] as LogWithDecodedArgs<ExchangeFillEventArgs>;
+ expect(log.args.makerAddress).to.be.equal(makerAddress, 'log.args.makerAddress');
+ expect(log.args.takerAddress).to.be.equal(this.takerAddress, 'log.args.this.takerAddress');
+ expect(log.args.feeRecipientAddress).to.be.equal(feeRecipient, 'log.args.feeRecipientAddress');
+ expect(log.args.makerAssetFilledAmount).to.be.bignumber.equal(
+ expFilledMakerAmount,
+ 'log.args.makerAssetFilledAmount',
+ );
+ expect(log.args.takerAssetFilledAmount).to.be.bignumber.equal(
+ expFilledTakerAmount,
+ 'log.args.takerAssetFilledAmount',
+ );
+ expect(log.args.makerFeePaid).to.be.bignumber.equal(expMakerFeePaid, 'log.args.makerFeePaid');
+ expect(log.args.takerFeePaid).to.be.bignumber.equal(expTakerFeePaid, 'logs.args.takerFeePaid');
+ expect(log.args.orderHash).to.be.equal(orderHash, 'log.args.orderHash');
+ expect(log.args.makerAssetData).to.be.equal(makerAssetData, 'log.args.makerAssetData');
+ expect(log.args.takerAssetData).to.be.equal(takerAssetData, 'log.args.takerAssetData');
+
+ const actMakerAssetBalanceOfMaker = await this.assetWrapper.getBalanceAsync(makerAddress, makerAssetData);
+ expect(actMakerAssetBalanceOfMaker).to.be.bignumber.equal(
+ expMakerAssetBalanceOfMaker,
+ 'makerAssetBalanceOfMaker',
+ );
+
+ const actMakerAssetAllowanceOfMaker = await this.assetWrapper.getProxyAllowanceAsync(
+ makerAddress,
+ makerAssetData,
+ );
+ expect(actMakerAssetAllowanceOfMaker).to.be.bignumber.equal(
+ expMakerAssetAllowanceOfMaker,
+ 'makerAssetAllowanceOfMaker',
+ );
+
+ const actTakerAssetBalanceOfMaker = await this.assetWrapper.getBalanceAsync(makerAddress, takerAssetData);
+ expect(actTakerAssetBalanceOfMaker).to.be.bignumber.equal(
+ expTakerAssetBalanceOfMaker,
+ 'takerAssetBalanceOfMaker',
+ );
+
+ const actZRXAssetBalanceOfMaker = await this.assetWrapper.getBalanceAsync(makerAddress, this.zrxAssetData);
+ expect(actZRXAssetBalanceOfMaker).to.be.bignumber.equal(expZRXAssetBalanceOfMaker, 'ZRXAssetBalanceOfMaker');
+
+ const actZRXAssetAllowanceOfMaker = await this.assetWrapper.getProxyAllowanceAsync(
+ makerAddress,
+ this.zrxAssetData,
+ );
+ expect(actZRXAssetAllowanceOfMaker).to.be.bignumber.equal(
+ expZRXAssetAllowanceOfMaker,
+ 'ZRXAssetAllowanceOfMaker',
+ );
+
+ const actTakerAssetBalanceOfTaker = await this.assetWrapper.getBalanceAsync(this.takerAddress, takerAssetData);
+ expect(actTakerAssetBalanceOfTaker).to.be.bignumber.equal(
+ expTakerAssetBalanceOfTaker,
+ 'TakerAssetBalanceOfTaker',
+ );
+
+ const actTakerAssetAllowanceOfTaker = await this.assetWrapper.getProxyAllowanceAsync(
+ this.takerAddress,
+ takerAssetData,
+ );
+
+ expect(actTakerAssetAllowanceOfTaker).to.be.bignumber.equal(
+ expTakerAssetAllowanceOfTaker,
+ 'TakerAssetAllowanceOfTaker',
+ );
+
+ const actMakerAssetBalanceOfTaker = await this.assetWrapper.getBalanceAsync(this.takerAddress, makerAssetData);
+ expect(actMakerAssetBalanceOfTaker).to.be.bignumber.equal(
+ expMakerAssetBalanceOfTaker,
+ 'MakerAssetBalanceOfTaker',
+ );
+
+ const actZRXAssetBalanceOfTaker = await this.assetWrapper.getBalanceAsync(this.takerAddress, this.zrxAssetData);
+ expect(actZRXAssetBalanceOfTaker).to.be.bignumber.equal(expZRXAssetBalanceOfTaker, 'ZRXAssetBalanceOfTaker');
+
+ const actZRXAssetAllowanceOfTaker = await this.assetWrapper.getProxyAllowanceAsync(
+ this.takerAddress,
+ this.zrxAssetData,
+ );
+ expect(actZRXAssetAllowanceOfTaker).to.be.bignumber.equal(
+ expZRXAssetAllowanceOfTaker,
+ 'ZRXAssetAllowanceOfTaker',
+ );
+
+ const actZRXAssetBalanceOfFeeRecipient = await this.assetWrapper.getBalanceAsync(
+ feeRecipient,
+ this.zrxAssetData,
+ );
+ expect(actZRXAssetBalanceOfFeeRecipient).to.be.bignumber.equal(
+ expZRXAssetBalanceOfFeeRecipient,
+ 'ZRXAssetBalanceOfFeeRecipient',
+ );
+ }
+ private async _abiEncodeFillOrderAndAssertOutcomeAsync(
+ signedOrder: SignedOrder,
+ takerAssetFillAmount: BigNumber,
+ ): Promise<void> {
+ const params = orderUtils.createFill(signedOrder, takerAssetFillAmount);
+ const expectedAbiEncodedData = this.exchangeWrapper.abiEncodeFillOrder(signedOrder, { takerAssetFillAmount });
+ const libsAbiEncodedData = await this.testLibsContract.publicAbiEncodeFillOrder.callAsync(
+ params.order,
+ params.takerAssetFillAmount,
+ params.signature,
+ );
+ expect(libsAbiEncodedData).to.be.equal(expectedAbiEncodedData, 'ABIEncodedFillOrderData');
+ }
+ private async _getTakerAssetFillAmountAsync(
+ signedOrder: SignedOrder,
+ takerAssetFillAmountScenario: TakerAssetFillAmountScenario,
+ balanceAndProxyAllowanceFetcher: SimpleAssetBalanceAndProxyAllowanceFetcher,
+ orderFilledCancelledFetcher: SimpleOrderFilledCancelledFetcher,
+ ): Promise<BigNumber> {
+ const orderStateUtils = new OrderStateUtils(balanceAndProxyAllowanceFetcher, orderFilledCancelledFetcher);
+ const fillableTakerAssetAmount = await orderStateUtils.getMaxFillableTakerAssetAmountAsync(
+ signedOrder,
+ this.takerAddress,
+ );
+
+ let takerAssetFillAmount;
+ switch (takerAssetFillAmountScenario) {
+ case TakerAssetFillAmountScenario.Zero:
+ takerAssetFillAmount = new BigNumber(0);
+ break;
+
+ case TakerAssetFillAmountScenario.ExactlyRemainingFillableTakerAssetAmount:
+ takerAssetFillAmount = fillableTakerAssetAmount;
+ break;
+
+ case TakerAssetFillAmountScenario.GreaterThanRemainingFillableTakerAssetAmount:
+ takerAssetFillAmount = fillableTakerAssetAmount.add(1);
+ break;
+
+ case TakerAssetFillAmountScenario.LessThanRemainingFillableTakerAssetAmount:
+ const takerAssetProxyId = assetDataUtils.decodeAssetProxyId(signedOrder.takerAssetData);
+ const makerAssetProxyId = assetDataUtils.decodeAssetProxyId(signedOrder.makerAssetData);
+ const isEitherAssetERC721 =
+ takerAssetProxyId === AssetProxyId.ERC721 || makerAssetProxyId === AssetProxyId.ERC721;
+ if (isEitherAssetERC721) {
+ throw new Error(
+ 'Cannot test `TakerAssetFillAmountScenario.LessThanRemainingFillableTakerAssetAmount` together with ERC721 assets since orders involving ERC721 must always be filled exactly.',
+ );
+ }
+ takerAssetFillAmount = fillableTakerAssetAmount.div(2).floor();
+ break;
+
+ default:
+ throw errorUtils.spawnSwitchErr('TakerAssetFillAmountScenario', takerAssetFillAmountScenario);
+ }
+
+ return takerAssetFillAmount;
+ }
+ private async _modifyTraderStateAsync(
+ makerStateScenario: TraderStateScenario,
+ takerStateScenario: TraderStateScenario,
+ signedOrder: SignedOrder,
+ takerAssetFillAmount: BigNumber,
+ ): Promise<void> {
+ const makerAssetFillAmount = orderUtils.getPartialAmountFloor(
+ takerAssetFillAmount,
+ signedOrder.takerAssetAmount,
+ signedOrder.makerAssetAmount,
+ );
+ switch (makerStateScenario.traderAssetBalance) {
+ case BalanceAmountScenario.Higher:
+ break; // Noop since this is already the default
+
+ case BalanceAmountScenario.TooLow:
+ if (makerAssetFillAmount.eq(0)) {
+ throw new Error(`Cannot set makerAssetBalanceOfMaker TooLow if makerAssetFillAmount is 0`);
+ }
+ const tooLowBalance = makerAssetFillAmount.minus(1);
+ await this.assetWrapper.setBalanceAsync(
+ signedOrder.makerAddress,
+ signedOrder.makerAssetData,
+ tooLowBalance,
+ );
+ break;
+
+ case BalanceAmountScenario.Exact:
+ const exactBalance = makerAssetFillAmount;
+ await this.assetWrapper.setBalanceAsync(
+ signedOrder.makerAddress,
+ signedOrder.makerAssetData,
+ exactBalance,
+ );
+ break;
+
+ default:
+ throw errorUtils.spawnSwitchErr(
+ 'makerStateScenario.traderAssetBalance',
+ makerStateScenario.traderAssetBalance,
+ );
+ }
+
+ const makerFee = orderUtils.getPartialAmountFloor(
+ takerAssetFillAmount,
+ signedOrder.takerAssetAmount,
+ signedOrder.makerFee,
+ );
+ switch (makerStateScenario.zrxFeeBalance) {
+ case BalanceAmountScenario.Higher:
+ break; // Noop since this is already the default
+
+ case BalanceAmountScenario.TooLow:
+ if (makerFee.eq(0)) {
+ throw new Error(`Cannot set zrxAsserBalanceOfMaker TooLow if makerFee is 0`);
+ }
+ const tooLowBalance = makerFee.minus(1);
+ await this.assetWrapper.setBalanceAsync(signedOrder.makerAddress, this.zrxAssetData, tooLowBalance);
+ break;
+
+ case BalanceAmountScenario.Exact:
+ const exactBalance = makerFee;
+ await this.assetWrapper.setBalanceAsync(signedOrder.makerAddress, this.zrxAssetData, exactBalance);
+ break;
+
+ default:
+ throw errorUtils.spawnSwitchErr('makerStateScenario.zrxFeeBalance', makerStateScenario.zrxFeeBalance);
+ }
+
+ switch (makerStateScenario.traderAssetAllowance) {
+ case AllowanceAmountScenario.Higher:
+ break; // Noop since this is already the default
+
+ case AllowanceAmountScenario.TooLow:
+ const tooLowAllowance = makerAssetFillAmount.minus(1);
+ await this.assetWrapper.setProxyAllowanceAsync(
+ signedOrder.makerAddress,
+ signedOrder.makerAssetData,
+ tooLowAllowance,
+ );
+ break;
+
+ case AllowanceAmountScenario.Exact:
+ const exactAllowance = makerAssetFillAmount;
+ await this.assetWrapper.setProxyAllowanceAsync(
+ signedOrder.makerAddress,
+ signedOrder.makerAssetData,
+ exactAllowance,
+ );
+ break;
+
+ case AllowanceAmountScenario.Unlimited:
+ await this.assetWrapper.setProxyAllowanceAsync(
+ signedOrder.makerAddress,
+ signedOrder.makerAssetData,
+ constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS,
+ );
+ break;
+
+ default:
+ throw errorUtils.spawnSwitchErr(
+ 'makerStateScenario.traderAssetAllowance',
+ makerStateScenario.traderAssetAllowance,
+ );
+ }
+
+ switch (makerStateScenario.zrxFeeAllowance) {
+ case AllowanceAmountScenario.Higher:
+ break; // Noop since this is already the default
+
+ case AllowanceAmountScenario.TooLow:
+ const tooLowAllowance = makerFee.minus(1);
+ await this.assetWrapper.setProxyAllowanceAsync(
+ signedOrder.makerAddress,
+ this.zrxAssetData,
+ tooLowAllowance,
+ );
+ break;
+
+ case AllowanceAmountScenario.Exact:
+ const exactAllowance = makerFee;
+ await this.assetWrapper.setProxyAllowanceAsync(
+ signedOrder.makerAddress,
+ this.zrxAssetData,
+ exactAllowance,
+ );
+ break;
+
+ case AllowanceAmountScenario.Unlimited:
+ await this.assetWrapper.setProxyAllowanceAsync(
+ signedOrder.makerAddress,
+ this.zrxAssetData,
+ constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS,
+ );
+ break;
+
+ default:
+ throw errorUtils.spawnSwitchErr(
+ 'makerStateScenario.zrxFeeAllowance',
+ makerStateScenario.zrxFeeAllowance,
+ );
+ }
+
+ switch (takerStateScenario.traderAssetBalance) {
+ case BalanceAmountScenario.Higher:
+ break; // Noop since this is already the default
+
+ case BalanceAmountScenario.TooLow:
+ if (takerAssetFillAmount.eq(0)) {
+ throw new Error(`Cannot set takerAssetBalanceOfTaker TooLow if takerAssetFillAmount is 0`);
+ }
+ const tooLowBalance = takerAssetFillAmount.minus(1);
+ await this.assetWrapper.setBalanceAsync(this.takerAddress, signedOrder.takerAssetData, tooLowBalance);
+ break;
+
+ case BalanceAmountScenario.Exact:
+ const exactBalance = takerAssetFillAmount;
+ await this.assetWrapper.setBalanceAsync(this.takerAddress, signedOrder.takerAssetData, exactBalance);
+ break;
+
+ default:
+ throw errorUtils.spawnSwitchErr(
+ 'takerStateScenario.traderAssetBalance',
+ takerStateScenario.traderAssetBalance,
+ );
+ }
+
+ const takerFee = orderUtils.getPartialAmountFloor(
+ takerAssetFillAmount,
+ signedOrder.takerAssetAmount,
+ signedOrder.takerFee,
+ );
+ switch (takerStateScenario.zrxFeeBalance) {
+ case BalanceAmountScenario.Higher:
+ break; // Noop since this is already the default
+
+ case BalanceAmountScenario.TooLow:
+ if (takerFee.eq(0)) {
+ throw new Error(`Cannot set zrxAssetBalanceOfTaker TooLow if takerFee is 0`);
+ }
+ const tooLowBalance = takerFee.minus(1);
+ await this.assetWrapper.setBalanceAsync(this.takerAddress, this.zrxAssetData, tooLowBalance);
+ break;
+
+ case BalanceAmountScenario.Exact:
+ const exactBalance = takerFee;
+ await this.assetWrapper.setBalanceAsync(this.takerAddress, this.zrxAssetData, exactBalance);
+ break;
+
+ default:
+ throw errorUtils.spawnSwitchErr('takerStateScenario.zrxFeeBalance', takerStateScenario.zrxFeeBalance);
+ }
+
+ switch (takerStateScenario.traderAssetAllowance) {
+ case AllowanceAmountScenario.Higher:
+ break; // Noop since this is already the default
+
+ case AllowanceAmountScenario.TooLow:
+ const tooLowAllowance = takerAssetFillAmount.minus(1);
+ await this.assetWrapper.setProxyAllowanceAsync(
+ this.takerAddress,
+ signedOrder.takerAssetData,
+ tooLowAllowance,
+ );
+ break;
+
+ case AllowanceAmountScenario.Exact:
+ const exactAllowance = takerAssetFillAmount;
+ await this.assetWrapper.setProxyAllowanceAsync(
+ this.takerAddress,
+ signedOrder.takerAssetData,
+ exactAllowance,
+ );
+ break;
+
+ case AllowanceAmountScenario.Unlimited:
+ await this.assetWrapper.setProxyAllowanceAsync(
+ this.takerAddress,
+ signedOrder.takerAssetData,
+ constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS,
+ );
+ break;
+
+ default:
+ throw errorUtils.spawnSwitchErr(
+ 'takerStateScenario.traderAssetAllowance',
+ takerStateScenario.traderAssetAllowance,
+ );
+ }
+
+ switch (takerStateScenario.zrxFeeAllowance) {
+ case AllowanceAmountScenario.Higher:
+ break; // Noop since this is already the default
+
+ case AllowanceAmountScenario.TooLow:
+ const tooLowAllowance = takerFee.minus(1);
+ await this.assetWrapper.setProxyAllowanceAsync(this.takerAddress, this.zrxAssetData, tooLowAllowance);
+ break;
+
+ case AllowanceAmountScenario.Exact:
+ const exactAllowance = takerFee;
+ await this.assetWrapper.setProxyAllowanceAsync(this.takerAddress, this.zrxAssetData, exactAllowance);
+ break;
+
+ case AllowanceAmountScenario.Unlimited:
+ await this.assetWrapper.setProxyAllowanceAsync(
+ this.takerAddress,
+ this.zrxAssetData,
+ constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS,
+ );
+ break;
+
+ default:
+ throw errorUtils.spawnSwitchErr(
+ 'takerStateScenario.zrxFeeAllowance',
+ takerStateScenario.zrxFeeAllowance,
+ );
+ }
+ }
+} // tslint:disable:max-file-line-count
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 08:47:31 +0800