474 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			474 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import { BlockchainLifecycle, devConstants } from '@0xproject/dev-utils';
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import { BlockParamLiteral } from '@0xproject/types';
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import { BigNumber } from '@0xproject/utils';
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import * as chai from 'chai';
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import * as Sinon from 'sinon';
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import * as Web3 from 'web3';
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import { ExchangeContractErrs, SignedOrder, Token, ZeroEx, ZeroExError } from '../src';
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import { TradeSide, TransferType } from '../src/types';
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import { ExchangeTransferSimulator } from '../src/utils/exchange_transfer_simulator';
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import { OrderValidationUtils } from '../src/utils/order_validation_utils';
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import { chaiSetup } from './utils/chai_setup';
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import { constants } from './utils/constants';
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import { FillScenarios } from './utils/fill_scenarios';
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import { TokenUtils } from './utils/token_utils';
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import { web3, web3Wrapper } from './utils/web3_wrapper';
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chaiSetup.configure();
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const expect = chai.expect;
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const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
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describe('OrderValidation', () => {
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    let zeroEx: ZeroEx;
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    let userAddresses: string[];
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    let tokens: Token[];
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    let tokenUtils: TokenUtils;
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    let exchangeContractAddress: string;
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    let zrxTokenAddress: string;
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    let fillScenarios: FillScenarios;
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    let makerTokenAddress: string;
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    let takerTokenAddress: string;
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    let coinbase: string;
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    let makerAddress: string;
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    let takerAddress: string;
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    let feeRecipient: string;
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    const fillableAmount = new BigNumber(5);
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    const fillTakerAmount = new BigNumber(5);
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    const config = {
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        networkId: constants.TESTRPC_NETWORK_ID,
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    };
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    before(async () => {
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        zeroEx = new ZeroEx(web3.currentProvider, config);
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        exchangeContractAddress = zeroEx.exchange.getContractAddress();
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        userAddresses = await zeroEx.getAvailableAddressesAsync();
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        [coinbase, makerAddress, takerAddress, feeRecipient] = userAddresses;
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        tokens = await zeroEx.tokenRegistry.getTokensAsync();
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        tokenUtils = new TokenUtils(tokens);
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        zrxTokenAddress = tokenUtils.getProtocolTokenOrThrow().address;
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        fillScenarios = new FillScenarios(zeroEx, userAddresses, tokens, zrxTokenAddress, exchangeContractAddress);
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        const [makerToken, takerToken] = tokenUtils.getDummyTokens();
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        makerTokenAddress = makerToken.address;
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        takerTokenAddress = takerToken.address;
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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('validateOrderFillableOrThrowAsync', () => {
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        it('should succeed if the order is fillable', async () => {
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            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                fillableAmount,
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            );
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            await zeroEx.exchange.validateOrderFillableOrThrowAsync(signedOrder);
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        });
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        it('should succeed if the order is asymmetric and fillable', async () => {
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            const makerFillableAmount = fillableAmount;
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            const takerFillableAmount = fillableAmount.minus(4);
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            const signedOrder = await fillScenarios.createAsymmetricFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                makerFillableAmount,
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                takerFillableAmount,
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            );
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            await zeroEx.exchange.validateOrderFillableOrThrowAsync(signedOrder);
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        });
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        it('should throw when the order is fully filled or cancelled', async () => {
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            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                fillableAmount,
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            );
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            await zeroEx.exchange.cancelOrderAsync(signedOrder, fillableAmount);
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            return expect(zeroEx.exchange.validateOrderFillableOrThrowAsync(signedOrder)).to.be.rejectedWith(
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                ExchangeContractErrs.OrderRemainingFillAmountZero,
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            );
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        });
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        it('should throw when order is expired', async () => {
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            const expirationInPast = new BigNumber(1496826058); // 7th Jun 2017
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            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                fillableAmount,
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                expirationInPast,
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            );
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            return expect(zeroEx.exchange.validateOrderFillableOrThrowAsync(signedOrder)).to.be.rejectedWith(
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                ExchangeContractErrs.OrderFillExpired,
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            );
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        });
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    });
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    describe('validateFillOrderAndThrowIfInvalidAsync', () => {
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        it('should throw when the fill amount is zero', async () => {
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            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                fillableAmount,
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            );
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            const zeroFillAmount = new BigNumber(0);
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            return expect(
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                zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(signedOrder, zeroFillAmount, takerAddress),
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            ).to.be.rejectedWith(ExchangeContractErrs.OrderFillAmountZero);
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        });
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        it('should throw when the signature is invalid', async () => {
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            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                fillableAmount,
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            );
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            // 27 <--> 28
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            signedOrder.ecSignature.v = 28 - signedOrder.ecSignature.v + 27;
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            return expect(
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                zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(signedOrder, fillableAmount, takerAddress),
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            ).to.be.rejectedWith(ZeroExError.InvalidSignature);
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        });
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        it('should throw when the order is fully filled or cancelled', async () => {
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            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                fillableAmount,
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            );
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            await zeroEx.exchange.cancelOrderAsync(signedOrder, fillableAmount);
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            return expect(
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                zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(signedOrder, fillableAmount, takerAddress),
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            ).to.be.rejectedWith(ExchangeContractErrs.OrderRemainingFillAmountZero);
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        });
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        it('should throw when sender is not a taker', async () => {
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            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                fillableAmount,
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            );
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            const nonTakerAddress = userAddresses[6];
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            return expect(
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                zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(signedOrder, fillTakerAmount, nonTakerAddress),
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            ).to.be.rejectedWith(ExchangeContractErrs.TransactionSenderIsNotFillOrderTaker);
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        });
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        it('should throw when order is expired', async () => {
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            const expirationInPast = new BigNumber(1496826058); // 7th Jun 2017
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            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                fillableAmount,
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                expirationInPast,
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            );
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            return expect(
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                zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(signedOrder, fillTakerAmount, takerAddress),
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            ).to.be.rejectedWith(ExchangeContractErrs.OrderFillExpired);
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        });
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        it('should throw when there a rounding error would have occurred', async () => {
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            const makerAmount = new BigNumber(3);
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            const takerAmount = new BigNumber(5);
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            const signedOrder = await fillScenarios.createAsymmetricFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                makerAmount,
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                takerAmount,
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            );
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            const fillTakerAmountThatCausesRoundingError = new BigNumber(3);
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            return expect(
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                zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(
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                    signedOrder,
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                    fillTakerAmountThatCausesRoundingError,
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                    takerAddress,
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                ),
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            ).to.be.rejectedWith(ExchangeContractErrs.OrderFillRoundingError);
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        });
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    });
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    describe('#validateFillOrKillOrderAndThrowIfInvalidAsync', () => {
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        it('should throw if remaining fillAmount is less then the desired fillAmount', async () => {
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            const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                fillableAmount,
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            );
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            const tooLargeFillAmount = new BigNumber(7);
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            const fillAmountDifference = tooLargeFillAmount.minus(fillableAmount);
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            await zeroEx.token.transferAsync(takerTokenAddress, coinbase, takerAddress, fillAmountDifference);
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            await zeroEx.token.setProxyAllowanceAsync(takerTokenAddress, takerAddress, tooLargeFillAmount);
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            await zeroEx.token.transferAsync(makerTokenAddress, coinbase, makerAddress, fillAmountDifference);
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            await zeroEx.token.setProxyAllowanceAsync(makerTokenAddress, makerAddress, tooLargeFillAmount);
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            return expect(
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                zeroEx.exchange.validateFillOrKillOrderThrowIfInvalidAsync(
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                    signedOrder,
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                    tooLargeFillAmount,
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                    takerAddress,
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                ),
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            ).to.be.rejectedWith(ExchangeContractErrs.InsufficientRemainingFillAmount);
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        });
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    });
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    describe('validateCancelOrderAndThrowIfInvalidAsync', () => {
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        let signedOrder: SignedOrder;
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        const cancelAmount = new BigNumber(3);
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        beforeEach(async () => {
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            [coinbase, makerAddress, takerAddress] = userAddresses;
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            const [makerToken, takerToken] = tokenUtils.getDummyTokens();
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            makerTokenAddress = makerToken.address;
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            takerTokenAddress = takerToken.address;
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            signedOrder = await fillScenarios.createFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                fillableAmount,
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            );
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        });
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        it('should throw when cancel amount is zero', async () => {
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            const zeroCancelAmount = new BigNumber(0);
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            return expect(
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                zeroEx.exchange.validateCancelOrderThrowIfInvalidAsync(signedOrder, zeroCancelAmount),
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            ).to.be.rejectedWith(ExchangeContractErrs.OrderCancelAmountZero);
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        });
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        it('should throw when order is expired', async () => {
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            const expirationInPast = new BigNumber(1496826058); // 7th Jun 2017
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            const expiredSignedOrder = await fillScenarios.createFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
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                fillableAmount,
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                expirationInPast,
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            );
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            return expect(
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                zeroEx.exchange.validateCancelOrderThrowIfInvalidAsync(expiredSignedOrder, cancelAmount),
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            ).to.be.rejectedWith(ExchangeContractErrs.OrderCancelExpired);
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        });
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        it('should throw when order is already cancelled or filled', async () => {
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            await zeroEx.exchange.cancelOrderAsync(signedOrder, fillableAmount);
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            return expect(
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                zeroEx.exchange.validateCancelOrderThrowIfInvalidAsync(signedOrder, fillableAmount),
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            ).to.be.rejectedWith(ExchangeContractErrs.OrderAlreadyCancelledOrFilled);
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        });
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    });
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    describe('#validateFillOrderBalancesAllowancesThrowIfInvalidAsync', () => {
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        let exchangeTransferSimulator: ExchangeTransferSimulator;
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        let transferFromAsync: Sinon.SinonSpy;
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        const bigNumberMatch = (expected: BigNumber) => {
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            return Sinon.match((value: BigNumber) => value.eq(expected));
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        };
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        beforeEach('create exchangeTransferSimulator', async () => {
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            exchangeTransferSimulator = new ExchangeTransferSimulator(zeroEx.token, BlockParamLiteral.Latest);
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            transferFromAsync = Sinon.spy();
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            exchangeTransferSimulator.transferFromAsync = transferFromAsync as any;
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        });
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        it('should call exchangeTransferSimulator.transferFrom in a correct order', async () => {
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            const makerFee = new BigNumber(2);
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            const takerFee = new BigNumber(2);
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            const signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerFee,
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                takerFee,
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                makerAddress,
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                takerAddress,
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                fillableAmount,
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                feeRecipient,
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            );
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            await OrderValidationUtils.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
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                exchangeTransferSimulator,
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                signedOrder,
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                fillableAmount,
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                takerAddress,
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                zrxTokenAddress,
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            );
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            expect(transferFromAsync.callCount).to.be.equal(4);
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            expect(
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                transferFromAsync
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                    .getCall(0)
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                    .calledWith(
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                        makerTokenAddress,
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                        makerAddress,
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                        takerAddress,
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                        bigNumberMatch(fillableAmount),
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                        TradeSide.Maker,
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                        TransferType.Trade,
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                    ),
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            ).to.be.true();
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            expect(
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                transferFromAsync
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                    .getCall(1)
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                    .calledWith(
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                        takerTokenAddress,
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                        takerAddress,
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                        makerAddress,
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                        bigNumberMatch(fillableAmount),
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                        TradeSide.Taker,
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                        TransferType.Trade,
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                    ),
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            ).to.be.true();
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            expect(
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                transferFromAsync
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                    .getCall(2)
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                    .calledWith(
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                        zrxTokenAddress,
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                        makerAddress,
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                        feeRecipient,
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                        bigNumberMatch(makerFee),
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                        TradeSide.Maker,
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                        TransferType.Fee,
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                    ),
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            ).to.be.true();
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            expect(
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                transferFromAsync
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                    .getCall(3)
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                    .calledWith(
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                        zrxTokenAddress,
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                        takerAddress,
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                        feeRecipient,
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                        bigNumberMatch(takerFee),
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                        TradeSide.Taker,
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                        TransferType.Fee,
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                    ),
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            ).to.be.true();
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        });
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        it('should call exchangeTransferSimulator.transferFrom with correct values for an open order', async () => {
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            const makerFee = new BigNumber(2);
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            const takerFee = new BigNumber(2);
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            const signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerFee,
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                takerFee,
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                makerAddress,
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                ZeroEx.NULL_ADDRESS,
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                fillableAmount,
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                feeRecipient,
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            );
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            await OrderValidationUtils.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
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                exchangeTransferSimulator,
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                signedOrder,
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                fillableAmount,
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                takerAddress,
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                zrxTokenAddress,
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            );
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            expect(transferFromAsync.callCount).to.be.equal(4);
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            expect(
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                transferFromAsync
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                    .getCall(0)
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                    .calledWith(
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                        makerTokenAddress,
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                        makerAddress,
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                        takerAddress,
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                        bigNumberMatch(fillableAmount),
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                        TradeSide.Maker,
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                        TransferType.Trade,
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                    ),
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            ).to.be.true();
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            expect(
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                transferFromAsync
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                    .getCall(1)
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                    .calledWith(
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                        takerTokenAddress,
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                        takerAddress,
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                        makerAddress,
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                        bigNumberMatch(fillableAmount),
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                        TradeSide.Taker,
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                        TransferType.Trade,
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                    ),
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            ).to.be.true();
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            expect(
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                transferFromAsync
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                    .getCall(2)
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                    .calledWith(
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                        zrxTokenAddress,
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                        makerAddress,
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                        feeRecipient,
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                        bigNumberMatch(makerFee),
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                        TradeSide.Maker,
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                        TransferType.Fee,
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                    ),
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            ).to.be.true();
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            expect(
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                transferFromAsync
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                    .getCall(3)
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                    .calledWith(
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                        zrxTokenAddress,
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                        takerAddress,
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                        feeRecipient,
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                        bigNumberMatch(takerFee),
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                        TradeSide.Taker,
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                        TransferType.Fee,
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                    ),
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            ).to.be.true();
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        });
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        it('should correctly round the fillMakerTokenAmount', async () => {
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            const makerTokenAmount = new BigNumber(3);
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            const takerTokenAmount = new BigNumber(1);
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            const signedOrder = await fillScenarios.createAsymmetricFillableSignedOrderAsync(
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                makerTokenAddress,
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                takerTokenAddress,
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                makerAddress,
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                takerAddress,
 | 
						|
                makerTokenAmount,
 | 
						|
                takerTokenAmount,
 | 
						|
            );
 | 
						|
            await OrderValidationUtils.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
 | 
						|
                exchangeTransferSimulator,
 | 
						|
                signedOrder,
 | 
						|
                takerTokenAmount,
 | 
						|
                takerAddress,
 | 
						|
                zrxTokenAddress,
 | 
						|
            );
 | 
						|
            expect(transferFromAsync.callCount).to.be.equal(4);
 | 
						|
            const makerFillAmount = transferFromAsync.getCall(0).args[3];
 | 
						|
            expect(makerFillAmount).to.be.bignumber.equal(makerTokenAmount);
 | 
						|
        });
 | 
						|
        it('should correctly round the makerFeeAmount', async () => {
 | 
						|
            const makerFee = new BigNumber(2);
 | 
						|
            const takerFee = new BigNumber(4);
 | 
						|
            const signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
 | 
						|
                makerTokenAddress,
 | 
						|
                takerTokenAddress,
 | 
						|
                makerFee,
 | 
						|
                takerFee,
 | 
						|
                makerAddress,
 | 
						|
                takerAddress,
 | 
						|
                fillableAmount,
 | 
						|
                ZeroEx.NULL_ADDRESS,
 | 
						|
            );
 | 
						|
            const fillTakerTokenAmount = fillableAmount.div(2).round(0);
 | 
						|
            await OrderValidationUtils.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
 | 
						|
                exchangeTransferSimulator,
 | 
						|
                signedOrder,
 | 
						|
                fillTakerTokenAmount,
 | 
						|
                takerAddress,
 | 
						|
                zrxTokenAddress,
 | 
						|
            );
 | 
						|
            const makerPartialFee = makerFee.div(2);
 | 
						|
            const takerPartialFee = takerFee.div(2);
 | 
						|
            expect(transferFromAsync.callCount).to.be.equal(4);
 | 
						|
            const partialMakerFee = transferFromAsync.getCall(2).args[3];
 | 
						|
            expect(partialMakerFee).to.be.bignumber.equal(makerPartialFee);
 | 
						|
            const partialTakerFee = transferFromAsync.getCall(3).args[3];
 | 
						|
            expect(partialTakerFee).to.be.bignumber.equal(takerPartialFee);
 | 
						|
        });
 | 
						|
    });
 | 
						|
});
 |