204 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			204 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
import * as chai from 'chai';
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import * as Web3 from 'web3';
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import * as BigNumber from 'bignumber.js';
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import promisify = require('es6-promisify');
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import {chaiSetup} from './utils/chai_setup';
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import {web3Factory} from './utils/web3_factory';
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import {ZeroEx, SignedOrder, Token, ExchangeContractErrs} from '../src';
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import {TokenUtils} from './utils/token_utils';
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import {BlockchainLifecycle} from './utils/blockchain_lifecycle';
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import {FillScenarios} from './utils/fill_scenarios';
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chaiSetup.configure();
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const expect = chai.expect;
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const blockchainLifecycle = new BlockchainLifecycle();
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describe('OrderValidationUtils', () => {
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    let web3: Web3;
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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 shouldThrowOnInsufficientBalanceOrAllowance = false;
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    before(async () => {
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        web3 = web3Factory.create();
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        zeroEx = new ZeroEx(web3.currentProvider);
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        exchangeContractAddress = await zeroEx.exchange.getContractAddressAsync();
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        userAddresses = await promisify(web3.eth.getAccounts)();
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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.getNonProtocolTokens();
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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('#validateFillOrderBalancesAndAllowancesAndThrowIfInvalidAsync', () => {
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        describe('should throw when not enough balance or allowance to fulfill the order', () => {
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            const balanceToSubtractFromMaker = new BigNumber(3);
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            const lackingAllowance = new BigNumber(3);
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            let signedOrder: SignedOrder;
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            beforeEach('create fillable signed order', async () => {
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                signedOrder = await fillScenarios.createFillableSignedOrderAsync(
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                    makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
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                );
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            });
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            it('should throw when taker balance is less than fill amount', async () => {
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                await zeroEx.token.transferAsync(
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                    takerTokenAddress, takerAddress, coinbase, balanceToSubtractFromMaker,
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                );
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                return expect(zeroEx.exchange.fillOrderAsync(
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                    signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress,
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                )).to.be.rejectedWith(ExchangeContractErrs.InsufficientTakerBalance);
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            });
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            it('should throw when taker allowance is less than fill amount', async () => {
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                const newAllowanceWhichIsLessThanFillAmount = fillTakerAmount.minus(lackingAllowance);
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                await zeroEx.token.setProxyAllowanceAsync(takerTokenAddress, takerAddress,
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                    newAllowanceWhichIsLessThanFillAmount);
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                return expect(zeroEx.exchange.fillOrderAsync(
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                    signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress,
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                )).to.be.rejectedWith(ExchangeContractErrs.InsufficientTakerAllowance);
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            });
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            it('should throw when maker balance is less than maker fill amount', async () => {
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                await zeroEx.token.transferAsync(
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                    makerTokenAddress, makerAddress, coinbase, balanceToSubtractFromMaker,
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                );
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                return expect(zeroEx.exchange.fillOrderAsync(
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                    signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress,
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                )).to.be.rejectedWith(ExchangeContractErrs.InsufficientMakerBalance);
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            });
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            it('should throw when maker allowance is less than maker fill amount', async () => {
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                const newAllowanceWhichIsLessThanFillAmount = fillTakerAmount.minus(lackingAllowance);
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                await zeroEx.token.setProxyAllowanceAsync(makerTokenAddress, makerAddress,
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                    newAllowanceWhichIsLessThanFillAmount);
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                return expect(zeroEx.exchange.fillOrderAsync(
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                    signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress,
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                )).to.be.rejectedWith(ExchangeContractErrs.InsufficientMakerAllowance);
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            });
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        });
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        describe('should throw when not enough balance or allowance to pay fees', () => {
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            const makerFee = new BigNumber(2);
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            const takerFee = new BigNumber(2);
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            let signedOrder: SignedOrder;
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            beforeEach('setup', async () => {
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                signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
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                    makerTokenAddress, takerTokenAddress, makerFee, takerFee,
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                    makerAddress, takerAddress, fillableAmount, feeRecipient,
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                );
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            });
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            it('should throw when maker doesn\'t have enough balance to pay fees', async () => {
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                const balanceToSubtractFromMaker = new BigNumber(1);
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                await zeroEx.token.transferAsync(
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                    zrxTokenAddress, makerAddress, coinbase, balanceToSubtractFromMaker,
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                );
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                return expect(zeroEx.exchange.fillOrderAsync(
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                    signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress,
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                )).to.be.rejectedWith(ExchangeContractErrs.InsufficientMakerFeeBalance);
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            });
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            it('should throw when maker doesn\'t have enough allowance to pay fees', async () => {
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                const newAllowanceWhichIsLessThanFees = makerFee.minus(1);
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                await zeroEx.token.setProxyAllowanceAsync(zrxTokenAddress, makerAddress,
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                    newAllowanceWhichIsLessThanFees);
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                return expect(zeroEx.exchange.fillOrderAsync(
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                    signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress,
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                )).to.be.rejectedWith(ExchangeContractErrs.InsufficientMakerFeeAllowance);
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            });
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            it('should throw when taker doesn\'t have enough balance to pay fees', async () => {
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                const balanceToSubtractFromTaker = new BigNumber(1);
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                await zeroEx.token.transferAsync(
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                    zrxTokenAddress, takerAddress, coinbase, balanceToSubtractFromTaker,
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                );
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                return expect(zeroEx.exchange.fillOrderAsync(
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                    signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress,
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                )).to.be.rejectedWith(ExchangeContractErrs.InsufficientTakerFeeBalance);
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            });
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            it('should throw when taker doesn\'t have enough allowance to pay fees', async () => {
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                const newAllowanceWhichIsLessThanFees = makerFee.minus(1);
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                await zeroEx.token.setProxyAllowanceAsync(zrxTokenAddress, takerAddress,
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                    newAllowanceWhichIsLessThanFees);
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                return expect(zeroEx.exchange.fillOrderAsync(
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                    signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress,
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                )).to.be.rejectedWith(ExchangeContractErrs.InsufficientTakerFeeAllowance);
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            });
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        });
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        describe('should throw on insufficient balance or allowance when makerToken is ZRX',
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            () => {
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            const makerFee = new BigNumber(2);
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            const takerFee = new BigNumber(2);
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            let signedOrder: SignedOrder;
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            beforeEach(async () => {
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                signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
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                    zrxTokenAddress, takerTokenAddress, makerFee, takerFee,
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                    makerAddress, takerAddress, fillableAmount, feeRecipient,
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                );
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            });
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            it('should throw on insufficient balance when makerToken is ZRX', async () => {
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                const balanceToSubtractFromMaker = new BigNumber(1);
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                await zeroEx.token.transferAsync(
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                    zrxTokenAddress, makerAddress, coinbase, balanceToSubtractFromMaker,
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                );
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                return expect(zeroEx.exchange.fillOrderAsync(
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                    signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress,
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                )).to.be.rejectedWith(ExchangeContractErrs.InsufficientMakerBalance);
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            });
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            it('should throw on insufficient allowance when makerToken is ZRX', async () => {
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                const oldAllowance = await zeroEx.token.getProxyAllowanceAsync(zrxTokenAddress, makerAddress);
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                const newAllowanceWhichIsInsufficient = oldAllowance.minus(1);
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                await zeroEx.token.setProxyAllowanceAsync(
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                    zrxTokenAddress, makerAddress, newAllowanceWhichIsInsufficient);
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                return expect(zeroEx.exchange.fillOrderAsync(
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                    signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress,
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                )).to.be.rejectedWith(ExchangeContractErrs.InsufficientMakerAllowance);
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            });
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        });
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        describe('should throw on insufficient balance or allowance when takerToken is ZRX',
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            () => {
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            const makerFee = new BigNumber(2);
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            const takerFee = new BigNumber(2);
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            let signedOrder: SignedOrder;
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            beforeEach(async () => {
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                signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
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                    makerTokenAddress, zrxTokenAddress, makerFee, takerFee,
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                    makerAddress, takerAddress, fillableAmount, feeRecipient,
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                );
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            });
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            it('should throw on insufficient balance when takerToken is ZRX', async () => {
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                const balanceToSubtractFromTaker = new BigNumber(1);
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                await zeroEx.token.transferAsync(
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                    zrxTokenAddress, takerAddress, coinbase, balanceToSubtractFromTaker,
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                );
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                return expect(zeroEx.exchange.fillOrderAsync(
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                    signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress,
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                )).to.be.rejectedWith(ExchangeContractErrs.InsufficientTakerBalance);
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            });
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            it('should throw on insufficient allowance when takerToken is ZRX', async () => {
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                const oldAllowance = await zeroEx.token.getProxyAllowanceAsync(zrxTokenAddress, takerAddress);
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                const newAllowanceWhichIsInsufficient = oldAllowance.minus(1);
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                await zeroEx.token.setProxyAllowanceAsync(
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                    zrxTokenAddress, takerAddress, newAllowanceWhichIsInsufficient);
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                return expect(zeroEx.exchange.fillOrderAsync(
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                    signedOrder, fillTakerAmount, shouldThrowOnInsufficientBalanceOrAllowance, takerAddress,
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                )).to.be.rejectedWith(ExchangeContractErrs.InsufficientTakerAllowance);
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            });
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        });
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    });
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});
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