825 lines
		
	
	
		
			42 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			825 lines
		
	
	
		
			42 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import {
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    artifacts as proxyArtifacts,
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    ERC20ProxyContract,
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    ERC20Wrapper,
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    ERC721ProxyContract,
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} from '@0x/contracts-asset-proxy';
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import { DummyERC20TokenContract } from '@0x/contracts-erc20';
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import { artifacts as erc721Artifacts, DummyERC721TokenContract } from '@0x/contracts-erc721';
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import { ExchangeContract, ExchangeWrapper } from '@0x/contracts-exchange';
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import {
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    chaiSetup,
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    constants,
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    ERC20BalancesByOwner,
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    expectContractCreationFailedAsync,
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    expectTransactionFailedAsync,
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    LogDecoder,
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    OrderFactory,
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    provider,
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    sendTransactionResult,
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    txDefaults,
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    web3Wrapper,
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} from '@0x/contracts-test-utils';
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import { BlockchainLifecycle } from '@0x/dev-utils';
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import { assetDataUtils } from '@0x/order-utils';
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import { RevertReason } 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 { LogWithDecodedArgs } from 'ethereum-types';
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import * as _ from 'lodash';
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import { artifacts, ExchangeFillEventArgs, OrderMatcherContract } from '../src';
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const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
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chaiSetup.configure();
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const expect = chai.expect;
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// tslint:disable:no-unnecessary-type-assertion
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describe('OrderMatcher', () => {
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    let makerAddressLeft: string;
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    let makerAddressRight: string;
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    let owner: string;
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    let takerAddress: string;
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    let feeRecipientAddressLeft: string;
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    let feeRecipientAddressRight: string;
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    let erc20TokenA: DummyERC20TokenContract;
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    let erc20TokenB: DummyERC20TokenContract;
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    let zrxToken: DummyERC20TokenContract;
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    let exchange: ExchangeContract;
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    let erc20Proxy: ERC20ProxyContract;
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    let erc721Proxy: ERC721ProxyContract;
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    let orderMatcher: OrderMatcherContract;
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    let erc20BalancesByOwner: ERC20BalancesByOwner;
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    let exchangeWrapper: ExchangeWrapper;
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    let erc20Wrapper: ERC20Wrapper;
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    let orderFactoryLeft: OrderFactory;
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    let orderFactoryRight: OrderFactory;
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    let leftMakerAssetData: string;
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    let leftTakerAssetData: string;
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    let defaultERC20MakerAssetAddress: string;
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    let defaultERC20TakerAssetAddress: string;
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    before(async () => {
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        await blockchainLifecycle.startAsync();
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    });
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    after(async () => {
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        await blockchainLifecycle.revertAsync();
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    });
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    before(async () => {
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        // Create accounts
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        const accounts = await web3Wrapper.getAvailableAddressesAsync();
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        // Hack(albrow): Both Prettier and TSLint insert a trailing comma below
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        // but that is invalid syntax as of TypeScript version >= 2.8. We don't
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        // have the right fine-grained configuration options in TSLint,
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        // Prettier, or TypeScript, to reconcile this, so we will just have to
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        // wait for them to sort it out. We disable TSLint and Prettier for
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        // this part of the code for now. This occurs several times in this
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        // file. See https://github.com/prettier/prettier/issues/4624.
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        // prettier-ignore
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        const usedAddresses = ([
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            owner,
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            makerAddressLeft,
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            makerAddressRight,
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            takerAddress,
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            feeRecipientAddressLeft,
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            // tslint:disable-next-line:trailing-comma
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            feeRecipientAddressRight
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        ] = _.slice(accounts, 0, 6));
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        // Create wrappers
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        erc20Wrapper = new ERC20Wrapper(provider, usedAddresses, owner);
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        // Deploy ERC20 token & ERC20 proxy
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        const numDummyErc20ToDeploy = 3;
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        [erc20TokenA, erc20TokenB, zrxToken] = await erc20Wrapper.deployDummyTokensAsync(
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            numDummyErc20ToDeploy,
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            constants.DUMMY_TOKEN_DECIMALS,
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        );
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        erc20Proxy = await erc20Wrapper.deployProxyAsync();
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        await erc20Wrapper.setBalancesAndAllowancesAsync();
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        // Deploy ERC721 proxy
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        erc721Proxy = await ERC721ProxyContract.deployFrom0xArtifactAsync(
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            proxyArtifacts.ERC721Proxy,
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            provider,
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            txDefaults,
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            artifacts,
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        );
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        // Depoy exchange
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        exchange = await ExchangeContract.deployFrom0xArtifactAsync(
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            artifacts.Exchange,
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            provider,
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            txDefaults,
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            artifacts,
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            assetDataUtils.encodeERC20AssetData(zrxToken.address),
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        );
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        exchangeWrapper = new ExchangeWrapper(exchange, provider);
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        await exchangeWrapper.registerAssetProxyAsync(erc20Proxy.address, owner);
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        await exchangeWrapper.registerAssetProxyAsync(erc721Proxy.address, owner);
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        // Authorize ERC20 trades by exchange
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        await web3Wrapper.awaitTransactionSuccessAsync(
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            await erc20Proxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {
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                from: owner,
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            }),
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        // Deploy OrderMatcher
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        orderMatcher = await OrderMatcherContract.deployFrom0xArtifactAsync(
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            artifacts.OrderMatcher,
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            provider,
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            txDefaults,
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            artifacts,
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            exchange.address,
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        );
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        // Set default addresses
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        defaultERC20MakerAssetAddress = erc20TokenA.address;
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        defaultERC20TakerAssetAddress = erc20TokenB.address;
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        leftMakerAssetData = assetDataUtils.encodeERC20AssetData(defaultERC20MakerAssetAddress);
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        leftTakerAssetData = assetDataUtils.encodeERC20AssetData(defaultERC20TakerAssetAddress);
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        // Set OrderMatcher balances and allowances
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        await web3Wrapper.awaitTransactionSuccessAsync(
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            await erc20TokenA.setBalance.sendTransactionAsync(orderMatcher.address, constants.INITIAL_ERC20_BALANCE, {
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                from: owner,
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            }),
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        await web3Wrapper.awaitTransactionSuccessAsync(
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            await erc20TokenB.setBalance.sendTransactionAsync(orderMatcher.address, constants.INITIAL_ERC20_BALANCE, {
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                from: owner,
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            }),
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        await web3Wrapper.awaitTransactionSuccessAsync(
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            await orderMatcher.approveAssetProxy.sendTransactionAsync(
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                leftMakerAssetData,
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                constants.INITIAL_ERC20_ALLOWANCE,
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            ),
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        await web3Wrapper.awaitTransactionSuccessAsync(
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            await orderMatcher.approveAssetProxy.sendTransactionAsync(
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                leftTakerAssetData,
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                constants.INITIAL_ERC20_ALLOWANCE,
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            ),
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            constants.AWAIT_TRANSACTION_MINED_MS,
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        );
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        // Create default order parameters
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        const defaultOrderParamsLeft = {
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            ...constants.STATIC_ORDER_PARAMS,
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            makerAddress: makerAddressLeft,
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            exchangeAddress: exchange.address,
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            makerAssetData: leftMakerAssetData,
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            takerAssetData: leftTakerAssetData,
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            feeRecipientAddress: feeRecipientAddressLeft,
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            makerFee: constants.ZERO_AMOUNT,
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            takerFee: constants.ZERO_AMOUNT,
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        };
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        const defaultOrderParamsRight = {
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            ...constants.STATIC_ORDER_PARAMS,
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            makerAddress: makerAddressRight,
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            exchangeAddress: exchange.address,
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            makerAssetData: leftTakerAssetData,
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            takerAssetData: leftMakerAssetData,
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            feeRecipientAddress: feeRecipientAddressRight,
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            makerFee: constants.ZERO_AMOUNT,
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            takerFee: constants.ZERO_AMOUNT,
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        };
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        const privateKeyLeft = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(makerAddressLeft)];
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        orderFactoryLeft = new OrderFactory(privateKeyLeft, defaultOrderParamsLeft);
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        const privateKeyRight = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(makerAddressRight)];
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        orderFactoryRight = new OrderFactory(privateKeyRight, defaultOrderParamsRight);
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    });
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    beforeEach(async () => {
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        await blockchainLifecycle.startAsync();
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    });
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    afterEach(async () => {
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        await blockchainLifecycle.revertAsync();
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    });
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    describe('constructor', () => {
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        it('should revert if assetProxy is unregistered', async () => {
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            const exchangeInstance = await ExchangeContract.deployFrom0xArtifactAsync(
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                artifacts.Exchange,
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                provider,
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                txDefaults,
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                artifacts,
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                constants.NULL_BYTES,
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            );
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            return expectContractCreationFailedAsync(
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                (OrderMatcherContract.deployFrom0xArtifactAsync(
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                    artifacts.OrderMatcher,
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                    provider,
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                    txDefaults,
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                    artifacts,
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                    exchangeInstance.address,
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                ) as any) as sendTransactionResult,
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                RevertReason.UnregisteredAssetProxy,
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            );
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        });
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    });
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    describe('matchOrders', () => {
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        beforeEach(async () => {
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            erc20BalancesByOwner = await erc20Wrapper.getBalancesAsync();
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        });
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        it('should revert if not called by owner', async () => {
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            // Create orders to match
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            const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
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                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
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                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
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            });
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            const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
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                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
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                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
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            });
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            const data = exchange.matchOrders.getABIEncodedTransactionData(
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                signedOrderLeft,
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                signedOrderRight,
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                signedOrderLeft.signature,
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                signedOrderRight.signature,
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            );
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            await expectTransactionFailedAsync(
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                web3Wrapper.sendTransactionAsync({
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                    data,
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                    to: orderMatcher.address,
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                    from: takerAddress,
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                    gas: constants.MAX_MATCH_ORDERS_GAS,
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                }),
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                RevertReason.OnlyContractOwner,
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            );
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        });
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        it('should transfer the correct amounts when orders completely fill each other', async () => {
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            // Create orders to match
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            const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
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                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
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                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
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            });
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            const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
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                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
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                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
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            });
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            // Match signedOrderLeft with signedOrderRight
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            const expectedTransferAmounts = {
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                // Left Maker
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                amountSoldByLeftMaker: signedOrderLeft.makerAssetAmount,
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                amountBoughtByLeftMaker: signedOrderLeft.takerAssetAmount,
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                // Right Maker
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                amountSoldByRightMaker: signedOrderRight.makerAssetAmount,
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                amountBoughtByRightMaker: signedOrderRight.takerAssetAmount,
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                // Taker
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                leftMakerAssetSpreadAmount: signedOrderLeft.makerAssetAmount.minus(signedOrderRight.takerAssetAmount),
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            };
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            const initialLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
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            const data = exchange.matchOrders.getABIEncodedTransactionData(
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                signedOrderLeft,
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                signedOrderRight,
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                signedOrderLeft.signature,
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                signedOrderRight.signature,
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            );
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            await web3Wrapper.awaitTransactionSuccessAsync(
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                await web3Wrapper.sendTransactionAsync({
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                    data,
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                    to: orderMatcher.address,
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                    from: owner,
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                    gas: constants.MAX_MATCH_ORDERS_GAS,
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                }),
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                constants.AWAIT_TRANSACTION_MINED_MS,
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            );
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            const newLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
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            const newErc20Balances = await erc20Wrapper.getBalancesAsync();
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            expect(newErc20Balances[makerAddressLeft][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
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                erc20BalancesByOwner[makerAddressLeft][defaultERC20MakerAssetAddress].minus(
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                    expectedTransferAmounts.amountSoldByLeftMaker,
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                ),
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            );
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            expect(newErc20Balances[makerAddressRight][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
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                erc20BalancesByOwner[makerAddressRight][defaultERC20TakerAssetAddress].minus(
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                    expectedTransferAmounts.amountSoldByRightMaker,
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                ),
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            );
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            expect(newErc20Balances[makerAddressLeft][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
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                erc20BalancesByOwner[makerAddressLeft][defaultERC20TakerAssetAddress].plus(
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                    expectedTransferAmounts.amountBoughtByLeftMaker,
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                ),
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            );
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            expect(newErc20Balances[makerAddressRight][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
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                erc20BalancesByOwner[makerAddressRight][defaultERC20MakerAssetAddress].plus(
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                    expectedTransferAmounts.amountBoughtByRightMaker,
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                ),
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            );
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            expect(newLeftMakerAssetTakerBalance).to.be.bignumber.equal(
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                initialLeftMakerAssetTakerBalance.plus(expectedTransferAmounts.leftMakerAssetSpreadAmount),
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            );
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        });
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        it('should transfer the correct amounts when orders completely fill each other and taker doesnt take a profit', async () => {
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            // Create orders to match
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            const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
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                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
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                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
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            });
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            const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
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                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
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                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
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            });
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            // Match signedOrderLeft with signedOrderRight
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            const expectedTransferAmounts = {
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                // Left Maker
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                amountSoldByLeftMaker: signedOrderLeft.makerAssetAmount,
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                amountBoughtByLeftMaker: signedOrderLeft.takerAssetAmount,
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                // Right Maker
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                amountSoldByRightMaker: signedOrderRight.makerAssetAmount,
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                amountBoughtByRightMaker: signedOrderRight.takerAssetAmount,
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            };
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            const initialLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
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            const data = exchange.matchOrders.getABIEncodedTransactionData(
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                signedOrderLeft,
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                signedOrderRight,
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                signedOrderLeft.signature,
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                signedOrderRight.signature,
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            );
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            await web3Wrapper.awaitTransactionSuccessAsync(
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                await web3Wrapper.sendTransactionAsync({
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                    data,
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                    to: orderMatcher.address,
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                    from: owner,
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                    gas: constants.MAX_MATCH_ORDERS_GAS,
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                }),
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                constants.AWAIT_TRANSACTION_MINED_MS,
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            );
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            const newLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
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            const newErc20Balances = await erc20Wrapper.getBalancesAsync();
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            expect(newErc20Balances[makerAddressLeft][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
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                erc20BalancesByOwner[makerAddressLeft][defaultERC20MakerAssetAddress].minus(
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                    expectedTransferAmounts.amountSoldByLeftMaker,
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                ),
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            );
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            expect(newErc20Balances[makerAddressRight][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
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                erc20BalancesByOwner[makerAddressRight][defaultERC20TakerAssetAddress].minus(
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                    expectedTransferAmounts.amountSoldByRightMaker,
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                ),
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            );
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            expect(newErc20Balances[makerAddressLeft][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
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                erc20BalancesByOwner[makerAddressLeft][defaultERC20TakerAssetAddress].plus(
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                    expectedTransferAmounts.amountBoughtByLeftMaker,
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                ),
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            );
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            expect(newErc20Balances[makerAddressRight][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
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                erc20BalancesByOwner[makerAddressRight][defaultERC20MakerAssetAddress].plus(
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                    expectedTransferAmounts.amountBoughtByRightMaker,
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                ),
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            );
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            expect(newLeftMakerAssetTakerBalance).to.be.bignumber.equal(initialLeftMakerAssetTakerBalance);
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        });
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        it('should transfer the correct amounts when left order is completely filled and right order would be partially filled', async () => {
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            // Create orders to match
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            const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
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                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
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                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
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            });
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            const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
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                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(20), 18),
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                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(4), 18),
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            });
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            // Match signedOrderLeft with signedOrderRight
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            const expectedTransferAmounts = {
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                // Left Maker
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                amountSoldByLeftMaker: signedOrderLeft.makerAssetAmount,
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                amountBoughtByLeftMaker: signedOrderLeft.takerAssetAmount,
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                // Right Maker
 | 
						|
                amountSoldByRightMaker: signedOrderRight.makerAssetAmount,
 | 
						|
                amountBoughtByRightMaker: signedOrderRight.takerAssetAmount,
 | 
						|
                // Taker
 | 
						|
                leftMakerAssetSpreadAmount: signedOrderLeft.makerAssetAmount.minus(signedOrderRight.takerAssetAmount),
 | 
						|
                leftTakerAssetSpreadAmount: signedOrderRight.makerAssetAmount.minus(signedOrderLeft.takerAssetAmount),
 | 
						|
            };
 | 
						|
            const initialLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            const initialLeftTakerAssetTakerBalance = await erc20TokenB.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            // Match signedOrderLeft with signedOrderRight
 | 
						|
            const data = exchange.matchOrders.getABIEncodedTransactionData(
 | 
						|
                signedOrderLeft,
 | 
						|
                signedOrderRight,
 | 
						|
                signedOrderLeft.signature,
 | 
						|
                signedOrderRight.signature,
 | 
						|
            );
 | 
						|
            await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                await web3Wrapper.sendTransactionAsync({
 | 
						|
                    data,
 | 
						|
                    to: orderMatcher.address,
 | 
						|
                    from: owner,
 | 
						|
                    gas: constants.MAX_MATCH_ORDERS_GAS,
 | 
						|
                }),
 | 
						|
                constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
            );
 | 
						|
            const newLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            const newLeftTakerAssetTakerBalance = await erc20TokenB.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            const newErc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
            expect(newErc20Balances[makerAddressLeft][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
 | 
						|
                erc20BalancesByOwner[makerAddressLeft][defaultERC20MakerAssetAddress].minus(
 | 
						|
                    expectedTransferAmounts.amountSoldByLeftMaker,
 | 
						|
                ),
 | 
						|
            );
 | 
						|
            expect(newErc20Balances[makerAddressRight][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
 | 
						|
                erc20BalancesByOwner[makerAddressRight][defaultERC20TakerAssetAddress].minus(
 | 
						|
                    expectedTransferAmounts.amountSoldByRightMaker,
 | 
						|
                ),
 | 
						|
            );
 | 
						|
            expect(newErc20Balances[makerAddressLeft][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
 | 
						|
                erc20BalancesByOwner[makerAddressLeft][defaultERC20TakerAssetAddress].plus(
 | 
						|
                    expectedTransferAmounts.amountBoughtByLeftMaker,
 | 
						|
                ),
 | 
						|
            );
 | 
						|
            expect(newErc20Balances[makerAddressRight][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
 | 
						|
                erc20BalancesByOwner[makerAddressRight][defaultERC20MakerAssetAddress].plus(
 | 
						|
                    expectedTransferAmounts.amountBoughtByRightMaker,
 | 
						|
                ),
 | 
						|
            );
 | 
						|
            expect(newLeftMakerAssetTakerBalance).to.be.bignumber.equal(
 | 
						|
                initialLeftMakerAssetTakerBalance.plus(expectedTransferAmounts.leftMakerAssetSpreadAmount),
 | 
						|
            );
 | 
						|
            expect(newLeftTakerAssetTakerBalance).to.be.bignumber.equal(
 | 
						|
                initialLeftTakerAssetTakerBalance.plus(expectedTransferAmounts.leftTakerAssetSpreadAmount),
 | 
						|
            );
 | 
						|
        });
 | 
						|
        it('should not call fillOrder when rightOrder is completely filled after matchOrders call and orders were never partially filled', async () => {
 | 
						|
            // Create orders to match
 | 
						|
            const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
 | 
						|
                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
 | 
						|
                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
 | 
						|
            });
 | 
						|
            const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
 | 
						|
                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
 | 
						|
                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
 | 
						|
            });
 | 
						|
            const data = exchange.matchOrders.getABIEncodedTransactionData(
 | 
						|
                signedOrderLeft,
 | 
						|
                signedOrderRight,
 | 
						|
                signedOrderLeft.signature,
 | 
						|
                signedOrderRight.signature,
 | 
						|
            );
 | 
						|
            const logDecoder = new LogDecoder(web3Wrapper, artifacts);
 | 
						|
            const txReceipt = await logDecoder.getTxWithDecodedLogsAsync(
 | 
						|
                await web3Wrapper.sendTransactionAsync({
 | 
						|
                    data,
 | 
						|
                    to: orderMatcher.address,
 | 
						|
                    from: owner,
 | 
						|
                    gas: constants.MAX_MATCH_ORDERS_GAS,
 | 
						|
                }),
 | 
						|
            );
 | 
						|
            const fillLogs = _.filter(
 | 
						|
                txReceipt.logs,
 | 
						|
                log => (log as LogWithDecodedArgs<ExchangeFillEventArgs>).event === 'Fill',
 | 
						|
            );
 | 
						|
            // Only 2 Fill logs should exist for `matchOrders` call. `fillOrder` should not have been called and should not have emitted a Fill event.
 | 
						|
            expect(fillLogs.length).to.be.equal(2);
 | 
						|
        });
 | 
						|
        it('should not call fillOrder when rightOrder is completely filled after matchOrders call and orders were initially partially filled', async () => {
 | 
						|
            // Create orders to match
 | 
						|
            const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
 | 
						|
                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
 | 
						|
                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
 | 
						|
            });
 | 
						|
            const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
 | 
						|
                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
 | 
						|
                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(2), 18),
 | 
						|
            });
 | 
						|
            await exchangeWrapper.fillOrderAsync(signedOrderLeft, takerAddress, {
 | 
						|
                takerAssetFillAmount: signedOrderLeft.takerAssetAmount.dividedToIntegerBy(5),
 | 
						|
            });
 | 
						|
            await exchangeWrapper.fillOrderAsync(signedOrderRight, takerAddress, {
 | 
						|
                takerAssetFillAmount: signedOrderRight.takerAssetAmount.dividedToIntegerBy(5),
 | 
						|
            });
 | 
						|
            const data = exchange.matchOrders.getABIEncodedTransactionData(
 | 
						|
                signedOrderLeft,
 | 
						|
                signedOrderRight,
 | 
						|
                signedOrderLeft.signature,
 | 
						|
                signedOrderRight.signature,
 | 
						|
            );
 | 
						|
            const logDecoder = new LogDecoder(web3Wrapper, artifacts);
 | 
						|
            const txReceipt = await logDecoder.getTxWithDecodedLogsAsync(
 | 
						|
                await web3Wrapper.sendTransactionAsync({
 | 
						|
                    data,
 | 
						|
                    to: orderMatcher.address,
 | 
						|
                    from: owner,
 | 
						|
                    gas: constants.MAX_MATCH_ORDERS_GAS,
 | 
						|
                }),
 | 
						|
            );
 | 
						|
            const fillLogs = _.filter(
 | 
						|
                txReceipt.logs,
 | 
						|
                log => (log as LogWithDecodedArgs<ExchangeFillEventArgs>).event === 'Fill',
 | 
						|
            );
 | 
						|
            // Only 2 Fill logs should exist for `matchOrders` call. `fillOrder` should not have been called and should not have emitted a Fill event.
 | 
						|
            expect(fillLogs.length).to.be.equal(2);
 | 
						|
        });
 | 
						|
        it('should only take a spread in rightMakerAsset if entire leftMakerAssetSpread amount can be used to fill rightOrder after matchOrders call', async () => {
 | 
						|
            // Create orders to match
 | 
						|
            const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
 | 
						|
                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
 | 
						|
                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(0.9), 18),
 | 
						|
            });
 | 
						|
            const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
 | 
						|
                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), 18),
 | 
						|
                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(990), 18),
 | 
						|
            });
 | 
						|
            const initialLeftMakerAssetSpreadAmount = Web3Wrapper.toBaseUnitAmount(new BigNumber(1.09), 18);
 | 
						|
            const leftTakerAssetSpreadAmount = initialLeftMakerAssetSpreadAmount
 | 
						|
                .times(signedOrderRight.makerAssetAmount)
 | 
						|
                .dividedToIntegerBy(signedOrderRight.takerAssetAmount);
 | 
						|
            // Match signedOrderLeft with signedOrderRight
 | 
						|
            const expectedTransferAmounts = {
 | 
						|
                // Left Maker
 | 
						|
                amountSoldByLeftMaker: signedOrderLeft.makerAssetAmount,
 | 
						|
                amountBoughtByLeftMaker: signedOrderLeft.takerAssetAmount,
 | 
						|
                // Right Maker
 | 
						|
                amountSoldByRightMaker: signedOrderLeft.takerAssetAmount.plus(leftTakerAssetSpreadAmount),
 | 
						|
                amountBoughtByRightMaker: signedOrderLeft.makerAssetAmount,
 | 
						|
                // Taker
 | 
						|
                leftMakerAssetSpreadAmount: constants.ZERO_AMOUNT,
 | 
						|
                leftTakerAssetSpreadAmount,
 | 
						|
            };
 | 
						|
            const initialLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            const initialLeftTakerAssetTakerBalance = await erc20TokenB.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            // Match signedOrderLeft with signedOrderRight
 | 
						|
            const data = exchange.matchOrders.getABIEncodedTransactionData(
 | 
						|
                signedOrderLeft,
 | 
						|
                signedOrderRight,
 | 
						|
                signedOrderLeft.signature,
 | 
						|
                signedOrderRight.signature,
 | 
						|
            );
 | 
						|
            await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                await web3Wrapper.sendTransactionAsync({
 | 
						|
                    data,
 | 
						|
                    to: orderMatcher.address,
 | 
						|
                    from: owner,
 | 
						|
                    gas: constants.MAX_MATCH_ORDERS_GAS,
 | 
						|
                }),
 | 
						|
                constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
            );
 | 
						|
            const newLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            const newLeftTakerAssetTakerBalance = await erc20TokenB.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            const newErc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
            expect(newErc20Balances[makerAddressLeft][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
 | 
						|
                erc20BalancesByOwner[makerAddressLeft][defaultERC20MakerAssetAddress].minus(
 | 
						|
                    expectedTransferAmounts.amountSoldByLeftMaker,
 | 
						|
                ),
 | 
						|
            );
 | 
						|
            expect(newErc20Balances[makerAddressRight][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
 | 
						|
                erc20BalancesByOwner[makerAddressRight][defaultERC20TakerAssetAddress].minus(
 | 
						|
                    expectedTransferAmounts.amountSoldByRightMaker,
 | 
						|
                ),
 | 
						|
            );
 | 
						|
            expect(newErc20Balances[makerAddressLeft][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
 | 
						|
                erc20BalancesByOwner[makerAddressLeft][defaultERC20TakerAssetAddress].plus(
 | 
						|
                    expectedTransferAmounts.amountBoughtByLeftMaker,
 | 
						|
                ),
 | 
						|
            );
 | 
						|
            expect(newErc20Balances[makerAddressRight][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
 | 
						|
                erc20BalancesByOwner[makerAddressRight][defaultERC20MakerAssetAddress].plus(
 | 
						|
                    expectedTransferAmounts.amountBoughtByRightMaker,
 | 
						|
                ),
 | 
						|
            );
 | 
						|
            expect(newLeftMakerAssetTakerBalance).to.be.bignumber.equal(
 | 
						|
                initialLeftMakerAssetTakerBalance.plus(expectedTransferAmounts.leftMakerAssetSpreadAmount),
 | 
						|
            );
 | 
						|
            expect(newLeftTakerAssetTakerBalance).to.be.bignumber.equal(
 | 
						|
                initialLeftTakerAssetTakerBalance.plus(expectedTransferAmounts.leftTakerAssetSpreadAmount),
 | 
						|
            );
 | 
						|
        });
 | 
						|
        it("should succeed if rightOrder's makerAssetData and takerAssetData are not provided", async () => {
 | 
						|
            // Create orders to match
 | 
						|
            const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
 | 
						|
                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
 | 
						|
                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
 | 
						|
            });
 | 
						|
            const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
 | 
						|
                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(20), 18),
 | 
						|
                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(4), 18),
 | 
						|
            });
 | 
						|
            // Match signedOrderLeft with signedOrderRight
 | 
						|
            const expectedTransferAmounts = {
 | 
						|
                // Left Maker
 | 
						|
                amountSoldByLeftMaker: signedOrderLeft.makerAssetAmount,
 | 
						|
                amountBoughtByLeftMaker: signedOrderLeft.takerAssetAmount,
 | 
						|
                // Right Maker
 | 
						|
                amountSoldByRightMaker: signedOrderRight.makerAssetAmount,
 | 
						|
                amountBoughtByRightMaker: signedOrderRight.takerAssetAmount,
 | 
						|
                // Taker
 | 
						|
                leftMakerAssetSpreadAmount: signedOrderLeft.makerAssetAmount.minus(signedOrderRight.takerAssetAmount),
 | 
						|
                leftTakerAssetSpreadAmount: signedOrderRight.makerAssetAmount.minus(signedOrderLeft.takerAssetAmount),
 | 
						|
            };
 | 
						|
            const initialLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            const initialLeftTakerAssetTakerBalance = await erc20TokenB.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            // Match signedOrderLeft with signedOrderRight
 | 
						|
            signedOrderRight.makerAssetData = constants.NULL_BYTES;
 | 
						|
            signedOrderRight.takerAssetData = constants.NULL_BYTES;
 | 
						|
            const data = exchange.matchOrders.getABIEncodedTransactionData(
 | 
						|
                signedOrderLeft,
 | 
						|
                signedOrderRight,
 | 
						|
                signedOrderLeft.signature,
 | 
						|
                signedOrderRight.signature,
 | 
						|
            );
 | 
						|
            await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                await web3Wrapper.sendTransactionAsync({
 | 
						|
                    data,
 | 
						|
                    to: orderMatcher.address,
 | 
						|
                    from: owner,
 | 
						|
                    gas: constants.MAX_MATCH_ORDERS_GAS,
 | 
						|
                }),
 | 
						|
                constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
            );
 | 
						|
            const newLeftMakerAssetTakerBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            const newLeftTakerAssetTakerBalance = await erc20TokenB.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            const newErc20Balances = await erc20Wrapper.getBalancesAsync();
 | 
						|
            expect(newErc20Balances[makerAddressLeft][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
 | 
						|
                erc20BalancesByOwner[makerAddressLeft][defaultERC20MakerAssetAddress].minus(
 | 
						|
                    expectedTransferAmounts.amountSoldByLeftMaker,
 | 
						|
                ),
 | 
						|
            );
 | 
						|
            expect(newErc20Balances[makerAddressRight][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
 | 
						|
                erc20BalancesByOwner[makerAddressRight][defaultERC20TakerAssetAddress].minus(
 | 
						|
                    expectedTransferAmounts.amountSoldByRightMaker,
 | 
						|
                ),
 | 
						|
            );
 | 
						|
            expect(newErc20Balances[makerAddressLeft][defaultERC20TakerAssetAddress]).to.be.bignumber.equal(
 | 
						|
                erc20BalancesByOwner[makerAddressLeft][defaultERC20TakerAssetAddress].plus(
 | 
						|
                    expectedTransferAmounts.amountBoughtByLeftMaker,
 | 
						|
                ),
 | 
						|
            );
 | 
						|
            expect(newErc20Balances[makerAddressRight][defaultERC20MakerAssetAddress]).to.be.bignumber.equal(
 | 
						|
                erc20BalancesByOwner[makerAddressRight][defaultERC20MakerAssetAddress].plus(
 | 
						|
                    expectedTransferAmounts.amountBoughtByRightMaker,
 | 
						|
                ),
 | 
						|
            );
 | 
						|
            expect(newLeftMakerAssetTakerBalance).to.be.bignumber.equal(
 | 
						|
                initialLeftMakerAssetTakerBalance.plus(expectedTransferAmounts.leftMakerAssetSpreadAmount),
 | 
						|
            );
 | 
						|
            expect(newLeftTakerAssetTakerBalance).to.be.bignumber.equal(
 | 
						|
                initialLeftTakerAssetTakerBalance.plus(expectedTransferAmounts.leftTakerAssetSpreadAmount),
 | 
						|
            );
 | 
						|
        });
 | 
						|
        it('should revert with the correct reason if matchOrders call reverts', async () => {
 | 
						|
            // Create orders to match
 | 
						|
            const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
 | 
						|
                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
 | 
						|
                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
 | 
						|
            });
 | 
						|
            const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
 | 
						|
                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
 | 
						|
                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
 | 
						|
            });
 | 
						|
            signedOrderRight.signature = `0xff${signedOrderRight.signature.slice(4)}`;
 | 
						|
            const data = exchange.matchOrders.getABIEncodedTransactionData(
 | 
						|
                signedOrderLeft,
 | 
						|
                signedOrderRight,
 | 
						|
                signedOrderLeft.signature,
 | 
						|
                signedOrderRight.signature,
 | 
						|
            );
 | 
						|
            await expectTransactionFailedAsync(
 | 
						|
                web3Wrapper.sendTransactionAsync({
 | 
						|
                    data,
 | 
						|
                    to: orderMatcher.address,
 | 
						|
                    from: owner,
 | 
						|
                    gas: constants.MAX_MATCH_ORDERS_GAS,
 | 
						|
                }),
 | 
						|
                RevertReason.InvalidOrderSignature,
 | 
						|
            );
 | 
						|
        });
 | 
						|
        it('should revert with the correct reason if fillOrder call reverts', async () => {
 | 
						|
            // Create orders to match
 | 
						|
            const signedOrderLeft = await orderFactoryLeft.newSignedOrderAsync({
 | 
						|
                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(5), 18),
 | 
						|
                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(10), 18),
 | 
						|
            });
 | 
						|
            const signedOrderRight = await orderFactoryRight.newSignedOrderAsync({
 | 
						|
                makerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(20), 18),
 | 
						|
                takerAssetAmount: Web3Wrapper.toBaseUnitAmount(new BigNumber(4), 18),
 | 
						|
            });
 | 
						|
            // Matcher will not have enough allowance to fill rightOrder
 | 
						|
            await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                await orderMatcher.approveAssetProxy.sendTransactionAsync(leftMakerAssetData, constants.ZERO_AMOUNT, {
 | 
						|
                    from: owner,
 | 
						|
                }),
 | 
						|
                constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
            );
 | 
						|
            const data = exchange.matchOrders.getABIEncodedTransactionData(
 | 
						|
                signedOrderLeft,
 | 
						|
                signedOrderRight,
 | 
						|
                signedOrderLeft.signature,
 | 
						|
                signedOrderRight.signature,
 | 
						|
            );
 | 
						|
            await expectTransactionFailedAsync(
 | 
						|
                web3Wrapper.sendTransactionAsync({
 | 
						|
                    data,
 | 
						|
                    to: orderMatcher.address,
 | 
						|
                    from: owner,
 | 
						|
                    gas: constants.MAX_MATCH_ORDERS_GAS,
 | 
						|
                }),
 | 
						|
                RevertReason.TransferFailed,
 | 
						|
            );
 | 
						|
        });
 | 
						|
    });
 | 
						|
    describe('withdrawAsset', () => {
 | 
						|
        it('should allow owner to withdraw ERC20 tokens', async () => {
 | 
						|
            const erc20AWithdrawAmount = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            expect(erc20AWithdrawAmount).to.be.bignumber.gt(constants.ZERO_AMOUNT);
 | 
						|
            await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                await orderMatcher.withdrawAsset.sendTransactionAsync(leftMakerAssetData, erc20AWithdrawAmount, {
 | 
						|
                    from: owner,
 | 
						|
                }),
 | 
						|
            );
 | 
						|
            const newBalance = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            expect(newBalance).to.be.bignumber.equal(constants.ZERO_AMOUNT);
 | 
						|
        });
 | 
						|
        it('should allow owner to withdraw ERC721 tokens', async () => {
 | 
						|
            const erc721Token = await DummyERC721TokenContract.deployFrom0xArtifactAsync(
 | 
						|
                erc721Artifacts.DummyERC721Token,
 | 
						|
                provider,
 | 
						|
                txDefaults,
 | 
						|
                artifacts,
 | 
						|
                constants.DUMMY_TOKEN_NAME,
 | 
						|
                constants.DUMMY_TOKEN_SYMBOL,
 | 
						|
            );
 | 
						|
            const tokenId = new BigNumber(1);
 | 
						|
            await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                await erc721Token.mint.sendTransactionAsync(orderMatcher.address, tokenId, { from: owner }),
 | 
						|
                constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
            );
 | 
						|
            const assetData = assetDataUtils.encodeERC721AssetData(erc721Token.address, tokenId);
 | 
						|
            const withdrawAmount = new BigNumber(1);
 | 
						|
            await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                await orderMatcher.withdrawAsset.sendTransactionAsync(assetData, withdrawAmount, { from: owner }),
 | 
						|
                constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
            );
 | 
						|
            const erc721Owner = await erc721Token.ownerOf.callAsync(tokenId);
 | 
						|
            expect(erc721Owner).to.be.equal(owner);
 | 
						|
        });
 | 
						|
        it('should revert if not called by owner', async () => {
 | 
						|
            const erc20AWithdrawAmount = await erc20TokenA.balanceOf.callAsync(orderMatcher.address);
 | 
						|
            expect(erc20AWithdrawAmount).to.be.bignumber.gt(constants.ZERO_AMOUNT);
 | 
						|
            await expectTransactionFailedAsync(
 | 
						|
                orderMatcher.withdrawAsset.sendTransactionAsync(leftMakerAssetData, erc20AWithdrawAmount, {
 | 
						|
                    from: takerAddress,
 | 
						|
                }),
 | 
						|
                RevertReason.OnlyContractOwner,
 | 
						|
            );
 | 
						|
        });
 | 
						|
    });
 | 
						|
    describe('approveAssetProxy', () => {
 | 
						|
        it('should be able to set an allowance for ERC20 tokens', async () => {
 | 
						|
            const allowance = new BigNumber(55465465426546);
 | 
						|
            await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                await orderMatcher.approveAssetProxy.sendTransactionAsync(leftMakerAssetData, allowance, {
 | 
						|
                    from: owner,
 | 
						|
                }),
 | 
						|
                constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
            );
 | 
						|
            const newAllowance = await erc20TokenA.allowance.callAsync(orderMatcher.address, erc20Proxy.address);
 | 
						|
            expect(newAllowance).to.be.bignumber.equal(allowance);
 | 
						|
        });
 | 
						|
        it('should be able to approve an ERC721 token by passing in allowance = 1', async () => {
 | 
						|
            const erc721Token = await DummyERC721TokenContract.deployFrom0xArtifactAsync(
 | 
						|
                erc721Artifacts.DummyERC721Token,
 | 
						|
                provider,
 | 
						|
                txDefaults,
 | 
						|
                artifacts,
 | 
						|
                constants.DUMMY_TOKEN_NAME,
 | 
						|
                constants.DUMMY_TOKEN_SYMBOL,
 | 
						|
            );
 | 
						|
            const assetData = assetDataUtils.encodeERC721AssetData(erc721Token.address, constants.ZERO_AMOUNT);
 | 
						|
            const allowance = new BigNumber(1);
 | 
						|
            await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                await orderMatcher.approveAssetProxy.sendTransactionAsync(assetData, allowance, { from: owner }),
 | 
						|
                constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
            );
 | 
						|
            const isApproved = await erc721Token.isApprovedForAll.callAsync(orderMatcher.address, erc721Proxy.address);
 | 
						|
            expect(isApproved).to.be.equal(true);
 | 
						|
        });
 | 
						|
        it('should be able to approve an ERC721 token by passing in allowance > 1', async () => {
 | 
						|
            const erc721Token = await DummyERC721TokenContract.deployFrom0xArtifactAsync(
 | 
						|
                erc721Artifacts.DummyERC721Token,
 | 
						|
                provider,
 | 
						|
                txDefaults,
 | 
						|
                artifacts,
 | 
						|
                constants.DUMMY_TOKEN_NAME,
 | 
						|
                constants.DUMMY_TOKEN_SYMBOL,
 | 
						|
            );
 | 
						|
            const assetData = assetDataUtils.encodeERC721AssetData(erc721Token.address, constants.ZERO_AMOUNT);
 | 
						|
            const allowance = new BigNumber(2);
 | 
						|
            await web3Wrapper.awaitTransactionSuccessAsync(
 | 
						|
                await orderMatcher.approveAssetProxy.sendTransactionAsync(assetData, allowance, { from: owner }),
 | 
						|
                constants.AWAIT_TRANSACTION_MINED_MS,
 | 
						|
            );
 | 
						|
            const isApproved = await erc721Token.isApprovedForAll.callAsync(orderMatcher.address, erc721Proxy.address);
 | 
						|
            expect(isApproved).to.be.equal(true);
 | 
						|
        });
 | 
						|
        it('should revert if not called by owner', async () => {
 | 
						|
            const approval = new BigNumber(1);
 | 
						|
            await expectTransactionFailedAsync(
 | 
						|
                orderMatcher.approveAssetProxy.sendTransactionAsync(leftMakerAssetData, approval, {
 | 
						|
                    from: takerAddress,
 | 
						|
                }),
 | 
						|
                RevertReason.OnlyContractOwner,
 | 
						|
            );
 | 
						|
        });
 | 
						|
    });
 | 
						|
});
 | 
						|
// tslint:disable:max-file-line-count
 | 
						|
// tslint:enable:no-unnecessary-type-assertion
 |