Merge branch 'master' into addEventSubscriptions

# Conflicts:
#	src/contract_wrappers/exchange_wrapper.ts
#	src/types.ts
#	test/exchange_wrapper_test.ts

4 files changed, 252 insertions, 98 deletions

diff --git a/test/exchange_wrapper_test.ts b/test/exchange_wrapper_test.ts
index cfb75789c..32b47f4f9 100644
--- a/test/exchange_wrapper_test.ts
+++ b/test/exchange_wrapper_test.ts
@@ -9,17 +9,17 @@ import promisify = require('es6-promisify');
 import {web3Factory} from './utils/web3_factory';
 import {ZeroEx} from '../src/0x.js';
 import {BlockchainLifecycle} from './utils/blockchain_lifecycle';
-import {orderFactory} from './utils/order_factory';
 import {
-    FillOrderValidationErrs,
     Token,
     SignedOrder,
     SubscriptionOpts,
     ExchangeEvents,
     ContractEvent,
     DoneCallback,
+    ExchangeContractErrs,
 } from '../src/types';
 import {FillScenarios} from './utils/fill_scenarios';
+import {TokenUtils} from './utils/token_utils';
 
 chai.use(dirtyChai);
 chai.use(ChaiBigNumber());
@@ -29,17 +29,21 @@ const blockchainLifecycle = new BlockchainLifecycle();
 const NON_EXISTENT_ORDER_HASH = '0x79370342234e7acd6bbeac335bd3bb1d368383294b64b8160a00f4060e4d3777';
 
 describe('ExchangeWrapper', () => {
+    let web3: Web3;
     let zeroEx: ZeroEx;
     let userAddresses: string[];
-    let web3: Web3;
+    let tokenUtils: TokenUtils;
     let tokens: Token[];
     let fillScenarios: FillScenarios;
+    let zrxTokenAddress: string;
     before(async () => {
         web3 = web3Factory.create();
         zeroEx = new ZeroEx(web3);
         userAddresses = await promisify(web3.eth.getAccounts)();
         tokens = await zeroEx.tokenRegistry.getTokensAsync();
-        fillScenarios = new FillScenarios(zeroEx, userAddresses, tokens);
+        tokenUtils = new TokenUtils(tokens);
+        zrxTokenAddress = tokenUtils.getProtocolTokenOrThrow().address;
+        fillScenarios = new FillScenarios(zeroEx, userAddresses, tokens, zrxTokenAddress);
     });
     beforeEach(async () => {
         await blockchainLifecycle.startAsync();
@@ -120,14 +124,16 @@ describe('ExchangeWrapper', () => {
     describe('#fillOrderAsync', () => {
         let makerTokenAddress: string;
         let takerTokenAddress: string;
-        let coinBase: string;
+        let coinbase: string;
         let makerAddress: string;
         let takerAddress: string;
-        const fillTakerAmountInBaseUnits = new BigNumber(5);
+        let feeRecipient: string;
+        const fillTakerAmount = new BigNumber(5);
         const shouldCheckTransfer = false;
-        before('fetch tokens', async () => {
-            [coinBase, makerAddress, takerAddress] = userAddresses;
-            const [makerToken, takerToken] = tokens;
+        before(async () => {
+            [coinbase, makerAddress, takerAddress, feeRecipient] = userAddresses;
+            tokens = await zeroEx.tokenRegistry.getTokensAsync();
+            const [makerToken, takerToken] = tokenUtils.getNonProtocolTokens();
             makerTokenAddress = makerToken.address;
             takerTokenAddress = takerToken.address;
         });
@@ -137,92 +143,149 @@ describe('ExchangeWrapper', () => {
         describe('failed fills', () => {
             it('should throw when the fill amount is zero', async () => {
                 const fillableAmount = new BigNumber(5);
-                const signedOrder = await fillScenarios.createAFillableSignedOrderAsync(
+                const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
                     makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
                 );
                 const zeroFillAmount = new BigNumber(0);
                 zeroEx.setTransactionSenderAccount(takerAddress);
                 return expect(zeroEx.exchange.fillOrderAsync(
                     signedOrder, zeroFillAmount, shouldCheckTransfer,
-                )).to.be.rejectedWith(FillOrderValidationErrs.FILL_AMOUNT_IS_ZERO);
+                )).to.be.rejectedWith(ExchangeContractErrs.ORDER_REMAINING_FILL_AMOUNT_ZERO);
             });
             it('should throw when sender is not a taker', async () => {
                 const fillableAmount = new BigNumber(5);
-                const signedOrder = await fillScenarios.createAFillableSignedOrderAsync(
+                const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
                     makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
                 );
                 return expect(zeroEx.exchange.fillOrderAsync(
-                    signedOrder, fillTakerAmountInBaseUnits, shouldCheckTransfer,
-                )).to.be.rejectedWith(FillOrderValidationErrs.NOT_A_TAKER);
+                    signedOrder, fillTakerAmount, shouldCheckTransfer,
+                )).to.be.rejectedWith(ExchangeContractErrs.TRANSACTION_SENDER_IS_NOT_FILL_ORDER_TAKER);
             });
             it('should throw when order is expired', async () => {
                 const expirationInPast = new BigNumber(42);
                 const fillableAmount = new BigNumber(5);
-                const signedOrder = await fillScenarios.createAFillableSignedOrderAsync(
+                const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
                     makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount, expirationInPast,
                 );
                 zeroEx.setTransactionSenderAccount(takerAddress);
                 return expect(zeroEx.exchange.fillOrderAsync(
-                    signedOrder, fillTakerAmountInBaseUnits, shouldCheckTransfer,
-                )).to.be.rejectedWith(FillOrderValidationErrs.EXPIRED);
+                    signedOrder, fillTakerAmount, shouldCheckTransfer,
+                )).to.be.rejectedWith(ExchangeContractErrs.ORDER_FILL_EXPIRED);
             });
-            it('should throw when taker balance is less than fill amount', async () => {
+            describe('should throw when not enough balance or allowance to fulfill the order', () => {
                 const fillableAmount = new BigNumber(5);
-                const signedOrder = await fillScenarios.createAFillableSignedOrderAsync(
-                    makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
-                );
-                zeroEx.setTransactionSenderAccount(takerAddress);
-                const moreThanTheBalance = new BigNumber(6);
-                return expect(zeroEx.exchange.fillOrderAsync(
-                    signedOrder, moreThanTheBalance, shouldCheckTransfer,
-                )).to.be.rejectedWith(FillOrderValidationErrs.NOT_ENOUGH_TAKER_BALANCE);
+                const balanceToSubtractFromMaker = new BigNumber(3);
+                const lackingAllowance = new BigNumber(3);
+                let signedOrder: SignedOrder;
+                beforeEach('create fillable signed order', async () => {
+                    signedOrder = await fillScenarios.createFillableSignedOrderAsync(
+                        makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
+                    );
+                });
+                it('should throw when taker balance is less than fill amount', async () => {
+                    await zeroEx.token.transferAsync(
+                        takerTokenAddress, takerAddress, coinbase, balanceToSubtractFromMaker,
+                    );
+                    zeroEx.setTransactionSenderAccount(takerAddress);
+                    return expect(zeroEx.exchange.fillOrderAsync(
+                        signedOrder, fillTakerAmount, shouldCheckTransfer,
+                    )).to.be.rejectedWith(ExchangeContractErrs.INSUFFICIENT_TAKER_BALANCE);
+                });
+                it('should throw when taker allowance is less than fill amount', async () => {
+                    const newAllowanceWhichIsLessThanFillAmount = fillTakerAmount.minus(lackingAllowance);
+                    await zeroEx.token.setProxyAllowanceAsync(takerTokenAddress, takerAddress,
+                        newAllowanceWhichIsLessThanFillAmount);
+                    zeroEx.setTransactionSenderAccount(takerAddress);
+                    return expect(zeroEx.exchange.fillOrderAsync(
+                        signedOrder, fillTakerAmount, shouldCheckTransfer,
+                    )).to.be.rejectedWith(ExchangeContractErrs.INSUFFICIENT_TAKER_ALLOWANCE);
+                });
+                it('should throw when maker balance is less than maker fill amount', async () => {
+                    await zeroEx.token.transferAsync(
+                        makerTokenAddress, makerAddress, coinbase, balanceToSubtractFromMaker,
+                    );
+                    zeroEx.setTransactionSenderAccount(takerAddress);
+                    return expect(zeroEx.exchange.fillOrderAsync(
+                        signedOrder, fillTakerAmount, shouldCheckTransfer,
+                    )).to.be.rejectedWith(ExchangeContractErrs.INSUFFICIENT_MAKER_BALANCE);
+                });
+                it('should throw when maker allowance is less than maker fill amount', async () => {
+                    const newAllowanceWhichIsLessThanFillAmount = fillTakerAmount.minus(lackingAllowance);
+                    await zeroEx.token.setProxyAllowanceAsync(makerTokenAddress, makerAddress,
+                        newAllowanceWhichIsLessThanFillAmount);
+                    zeroEx.setTransactionSenderAccount(takerAddress);
+                    return expect(zeroEx.exchange.fillOrderAsync(
+                        signedOrder, fillTakerAmount, shouldCheckTransfer,
+                    )).to.be.rejectedWith(ExchangeContractErrs.INSUFFICIENT_MAKER_ALLOWANCE);
+                });
             });
-            it('should throw when taker allowance is less than fill amount', async () => {
-                const fillableAmount = new BigNumber(5);
-                const signedOrder = await fillScenarios.createAFillableSignedOrderAsync(
-                    makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
+            it('should throw when there a rounding error would have occurred', async () => {
+                const makerAmount = new BigNumber(3);
+                const takerAmount = new BigNumber(5);
+                const signedOrder = await fillScenarios.createAsymmetricFillableSignedOrderAsync(
+                    makerTokenAddress, takerTokenAddress, makerAddress, takerAddress,
+                    makerAmount, takerAmount,
                 );
-                const newAllowanceWhichIsLessThanFillAmount = fillTakerAmountInBaseUnits.minus(1);
-                await zeroEx.token.setProxyAllowanceAsync(takerTokenAddress, takerAddress,
-                                                    newAllowanceWhichIsLessThanFillAmount);
+                const fillTakerAmountThatCausesRoundingError = new BigNumber(3);
                 zeroEx.setTransactionSenderAccount(takerAddress);
                 return expect(zeroEx.exchange.fillOrderAsync(
-                    signedOrder, fillTakerAmountInBaseUnits, shouldCheckTransfer,
-                )).to.be.rejectedWith(FillOrderValidationErrs.NOT_ENOUGH_TAKER_ALLOWANCE);
+                    signedOrder, fillTakerAmountThatCausesRoundingError, shouldCheckTransfer,
+                )).to.be.rejectedWith(ExchangeContractErrs.ORDER_FILL_ROUNDING_ERROR);
             });
-            it('should throw when maker balance is less than maker fill amount', async () => {
+            describe('should throw when not enough balance or allowance to pay fees', () => {
                 const fillableAmount = new BigNumber(5);
-                const signedOrder = await fillScenarios.createAFillableSignedOrderAsync(
-                    makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
-                );
-                const lackingMakerBalance = new BigNumber(3);
-                await zeroEx.token.transferAsync(makerTokenAddress, makerAddress, coinBase, lackingMakerBalance);
-                zeroEx.setTransactionSenderAccount(takerAddress);
-                return expect(zeroEx.exchange.fillOrderAsync(
-                    signedOrder, fillTakerAmountInBaseUnits, shouldCheckTransfer,
-                )).to.be.rejectedWith(FillOrderValidationErrs.NOT_ENOUGH_MAKER_BALANCE);
-            });
-            it('should throw when maker allowance is less than maker fill amount', async () => {
-                const fillableAmount = new BigNumber(5);
-                const signedOrder = await fillScenarios.createAFillableSignedOrderAsync(
-                    makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
-                );
-                const newAllowanceWhichIsLessThanFillAmount = fillTakerAmountInBaseUnits.minus(1);
-                await zeroEx.token.setProxyAllowanceAsync(makerTokenAddress, makerAddress,
-                    newAllowanceWhichIsLessThanFillAmount);
-                zeroEx.setTransactionSenderAccount(takerAddress);
-                return expect(zeroEx.exchange.fillOrderAsync(
-                    signedOrder, fillTakerAmountInBaseUnits, shouldCheckTransfer,
-                )).to.be.rejectedWith(FillOrderValidationErrs.NOT_ENOUGH_MAKER_ALLOWANCE);
+                const makerFee = new BigNumber(2);
+                const takerFee = new BigNumber(2);
+                let signedOrder: SignedOrder;
+                beforeEach('setup', async () => {
+                    signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
+                        makerTokenAddress, takerTokenAddress, makerFee, takerFee,
+                        makerAddress, takerAddress, fillableAmount, feeRecipient,
+                    );
+                    zeroEx.setTransactionSenderAccount(takerAddress);
+                });
+                it('should throw when maker doesn\'t have enough balance to pay fees', async () => {
+                    const balanceToSubtractFromMaker = new BigNumber(1);
+                    await zeroEx.token.transferAsync(
+                        zrxTokenAddress, makerAddress, coinbase, balanceToSubtractFromMaker,
+                    );
+                    return expect(zeroEx.exchange.fillOrderAsync(
+                        signedOrder, fillTakerAmount, shouldCheckTransfer,
+                    )).to.be.rejectedWith(ExchangeContractErrs.INSUFFICIENT_MAKER_FEE_BALANCE);
+                });
+                it('should throw when maker doesn\'t have enough allowance to pay fees', async () => {
+                    const newAllowanceWhichIsLessThanFees = makerFee.minus(1);
+                    await zeroEx.token.setProxyAllowanceAsync(zrxTokenAddress, makerAddress,
+                        newAllowanceWhichIsLessThanFees);
+                    return expect(zeroEx.exchange.fillOrderAsync(
+                        signedOrder, fillTakerAmount, shouldCheckTransfer,
+                    )).to.be.rejectedWith(ExchangeContractErrs.INSUFFICIENT_MAKER_FEE_ALLOWANCE);
+                });
+                it('should throw when taker doesn\'t have enough balance to pay fees', async () => {
+                    const balanceToSubtractFromTaker = new BigNumber(1);
+                    await zeroEx.token.transferAsync(
+                        zrxTokenAddress, takerAddress, coinbase, balanceToSubtractFromTaker,
+                    );
+                    return expect(zeroEx.exchange.fillOrderAsync(
+                        signedOrder, fillTakerAmount, shouldCheckTransfer,
+                    )).to.be.rejectedWith(ExchangeContractErrs.INSUFFICIENT_TAKER_FEE_BALANCE);
+                });
+                it('should throw when taker doesn\'t have enough allowance to pay fees', async () => {
+                    const newAllowanceWhichIsLessThanFees = makerFee.minus(1);
+                    await zeroEx.token.setProxyAllowanceAsync(zrxTokenAddress, takerAddress,
+                        newAllowanceWhichIsLessThanFees);
+                    return expect(zeroEx.exchange.fillOrderAsync(
+                        signedOrder, fillTakerAmount, shouldCheckTransfer,
+                    )).to.be.rejectedWith(ExchangeContractErrs.INSUFFICIENT_TAKER_FEE_ALLOWANCE);
+                });
             });
         });
         describe('successful fills', () => {
-            it('should fill the valid order', async () => {
+            it('should fill a valid order', async () => {
                 const fillableAmount = new BigNumber(5);
-                const signedOrder = await fillScenarios.createAFillableSignedOrderAsync(
+                const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
                     makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
                 );
-
                 expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, makerAddress))
                     .to.be.bignumber.equal(fillableAmount);
                 expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, makerAddress))
@@ -232,19 +295,19 @@ describe('ExchangeWrapper', () => {
                 expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, takerAddress))
                     .to.be.bignumber.equal(fillableAmount);
                 zeroEx.setTransactionSenderAccount(takerAddress);
-                await zeroEx.exchange.fillOrderAsync(signedOrder, fillTakerAmountInBaseUnits, shouldCheckTransfer);
+                await zeroEx.exchange.fillOrderAsync(signedOrder, fillTakerAmount, shouldCheckTransfer);
                 expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, makerAddress))
-                    .to.be.bignumber.equal(fillableAmount.minus(fillTakerAmountInBaseUnits));
+                    .to.be.bignumber.equal(fillableAmount.minus(fillTakerAmount));
                 expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, makerAddress))
-                    .to.be.bignumber.equal(fillTakerAmountInBaseUnits);
+                    .to.be.bignumber.equal(fillTakerAmount);
                 expect(await zeroEx.token.getBalanceAsync(makerTokenAddress, takerAddress))
-                    .to.be.bignumber.equal(fillTakerAmountInBaseUnits);
+                    .to.be.bignumber.equal(fillTakerAmount);
                 expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, takerAddress))
-                    .to.be.bignumber.equal(fillableAmount.minus(fillTakerAmountInBaseUnits));
+                    .to.be.bignumber.equal(fillableAmount.minus(fillTakerAmount));
             });
             it('should partially fill the valid order', async () => {
                 const fillableAmount = new BigNumber(5);
-                const signedOrder = await fillScenarios.createAFillableSignedOrderAsync(
+                const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
                     makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
                 );
                 const partialFillAmount = new BigNumber(3);
@@ -259,6 +322,19 @@ describe('ExchangeWrapper', () => {
                 expect(await zeroEx.token.getBalanceAsync(takerTokenAddress, takerAddress))
                     .to.be.bignumber.equal(fillableAmount.minus(partialFillAmount));
             });
+            it('should fill the valid orders with fees', async () => {
+                const fillableAmount = new BigNumber(5);
+                const makerFee = new BigNumber(1);
+                const takerFee = new BigNumber(2);
+                const signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
+                    makerTokenAddress, takerTokenAddress, makerFee, takerFee,
+                    makerAddress, takerAddress, fillableAmount, feeRecipient,
+                );
+                zeroEx.setTransactionSenderAccount(takerAddress);
+                await zeroEx.exchange.fillOrderAsync(signedOrder, fillTakerAmount, shouldCheckTransfer);
+                expect(await zeroEx.token.getBalanceAsync(zrxTokenAddress, feeRecipient))
+                    .to.be.bignumber.equal(makerFee.plus(takerFee));
+            });
         });
     });
     describe('tests that require partially filled order', () => {
@@ -332,20 +408,20 @@ describe('ExchangeWrapper', () => {
         const shouldCheckTransfer = false;
         let makerTokenAddress: string;
         let takerTokenAddress: string;
-        let coinBase: string;
+        let coinbase: string;
         let takerAddress: string;
         let makerAddress: string;
         let fillableAmount: BigNumber.BigNumber;
         let signedOrder: SignedOrder;
         before(() => {
-            [coinBase, makerAddress, takerAddress] = userAddresses;
+            [coinbase, makerAddress, takerAddress] = userAddresses;
             const [makerToken, takerToken] = tokens;
             makerTokenAddress = makerToken.address;
             takerTokenAddress = takerToken.address;
         });
         beforeEach(async () => {
             fillableAmount = new BigNumber(5);
-            signedOrder = await fillScenarios.createAFillableSignedOrderAsync(
+            signedOrder = await fillScenarios.createFillableSignedOrderAsync(
                 makerTokenAddress, takerTokenAddress, makerAddress, takerAddress, fillableAmount,
             );
         });
diff --git a/test/utils/fill_scenarios.ts b/test/utils/fill_scenarios.ts
index 17c2dbeba..ea5eb77eb 100644
--- a/test/utils/fill_scenarios.ts
+++ b/test/utils/fill_scenarios.ts
@@ -2,35 +2,54 @@ import * as BigNumber from 'bignumber.js';
 import {ZeroEx} from '../../src/0x.js';
 import {Token, SignedOrder} from '../../src/types';
 import {orderFactory} from '../utils/order_factory';
+import {constants} from './constants';
 
 export class FillScenarios {
     private zeroEx: ZeroEx;
     private userAddresses: string[];
     private tokens: Token[];
-    private coinBase: string;
-    constructor(zeroEx: ZeroEx, userAddresses: string[], tokens: Token[]) {
+    private coinbase: string;
+    private zrxTokenAddress: string;
+    constructor(zeroEx: ZeroEx, userAddresses: string[], tokens: Token[], zrxTokenAddress: string) {
         this.zeroEx = zeroEx;
         this.userAddresses = userAddresses;
         this.tokens = tokens;
-        this.coinBase = userAddresses[0];
+        this.coinbase = userAddresses[0];
+        this.zrxTokenAddress = zrxTokenAddress;
     }
-    public async createAFillableSignedOrderAsync(makerTokenAddress: string, takerTokenAddress: string,
-                                                 makerAddress: string, takerAddress: string,
-                                                 fillableAmount: BigNumber.BigNumber,
-                                                 expirationUnixTimestampSec?: BigNumber.BigNumber):
+    public async createFillableSignedOrderAsync(makerTokenAddress: string, takerTokenAddress: string,
+                                                makerAddress: string, takerAddress: string,
+                                                fillableAmount: BigNumber.BigNumber,
+                                                expirationUnixTimestampSec?: BigNumber.BigNumber):
                                            Promise<SignedOrder> {
-        await this.zeroEx.token.transferAsync(makerTokenAddress, this.coinBase, makerAddress, fillableAmount);
-        await this.zeroEx.token.setProxyAllowanceAsync(makerTokenAddress, makerAddress, fillableAmount);
-        await this.zeroEx.token.transferAsync(takerTokenAddress, this.coinBase, takerAddress, fillableAmount);
-        await this.zeroEx.token.setProxyAllowanceAsync(takerTokenAddress, takerAddress, fillableAmount);
-
-        const transactionSenderAccount = await this.zeroEx.getTransactionSenderAccountIfExistsAsync();
-        this.zeroEx.setTransactionSenderAccount(makerAddress);
-        const signedOrder = await orderFactory.createSignedOrderAsync(this.zeroEx, makerAddress,
-            takerAddress, fillableAmount, makerTokenAddress, fillableAmount, takerTokenAddress,
-            expirationUnixTimestampSec);
-        this.zeroEx.setTransactionSenderAccount(transactionSenderAccount as string);
-        return signedOrder;
+        return this.createAsymmetricFillableSignedOrderAsync(
+            makerTokenAddress, takerTokenAddress, makerAddress, takerAddress,
+            fillableAmount, fillableAmount, expirationUnixTimestampSec,
+        );
+    }
+    public async createFillableSignedOrderWithFeesAsync(
+        makerTokenAddress: string, takerTokenAddress: string,
+        makerFee: BigNumber.BigNumber, takerFee: BigNumber.BigNumber,
+        makerAddress: string, takerAddress: string,
+        fillableAmount: BigNumber.BigNumber,
+        feeRecepient: string, expirationUnixTimestampSec?: BigNumber.BigNumber,
+    ): Promise<SignedOrder> {
+        return this.createAsymmetricFillableSignedOrderWithFeesAsync(
+            makerTokenAddress, takerTokenAddress, makerFee, takerFee, makerAddress, takerAddress,
+            fillableAmount, fillableAmount, feeRecepient, expirationUnixTimestampSec,
+        );
+    }
+    public async createAsymmetricFillableSignedOrderAsync(
+        makerTokenAddress: string, takerTokenAddress: string, makerAddress: string, takerAddress: string,
+        makerFillableAmount: BigNumber.BigNumber, takerFillableAmount: BigNumber.BigNumber,
+        expirationUnixTimestampSec?: BigNumber.BigNumber): Promise<SignedOrder> {
+        const makerFee = new BigNumber(0);
+        const takerFee = new BigNumber(0);
+        const feeRecepient = constants.NULL_ADDRESS;
+        return this.createAsymmetricFillableSignedOrderWithFeesAsync(
+            makerTokenAddress, takerTokenAddress, makerFee, takerFee, makerAddress, takerAddress,
+            makerFillableAmount, takerFillableAmount, feeRecepient, expirationUnixTimestampSec,
+        );
     }
     public async createPartiallyFilledSignedOrderAsync(makerTokenAddress: string, takerTokenAddress: string,
                                                        takerAddress: string, fillableAmount: BigNumber.BigNumber,
@@ -41,8 +60,10 @@ export class FillScenarios {
         await this.zeroEx.token.transferAsync(takerTokenAddress, makerAddress, takerAddress, fillableAmount);
         await this.zeroEx.token.setProxyAllowanceAsync(takerTokenAddress, takerAddress, fillableAmount);
 
-        const signedOrder = await orderFactory.createSignedOrderAsync(this.zeroEx, makerAddress,
-         takerAddress, fillableAmount, makerTokenAddress, fillableAmount, takerTokenAddress);
+        const signedOrder = await this.createAsymmetricFillableSignedOrderAsync(
+             makerTokenAddress, takerTokenAddress, makerAddress, takerAddress,
+             fillableAmount, fillableAmount,
+         );
 
         this.zeroEx.setTransactionSenderAccount(takerAddress);
         const shouldCheckTransfer = false;
@@ -52,4 +73,34 @@ export class FillScenarios {
         this.zeroEx.setTransactionSenderAccount(prevSenderAccount as string);
         return signedOrder;
     }
+    private async createAsymmetricFillableSignedOrderWithFeesAsync(
+        makerTokenAddress: string, takerTokenAddress: string,
+        makerFee: BigNumber.BigNumber, takerFee: BigNumber.BigNumber,
+        makerAddress: string, takerAddress: string,
+        makerFillableAmount: BigNumber.BigNumber, takerFillableAmount: BigNumber.BigNumber,
+        feeRecepient: string, expirationUnixTimestampSec?: BigNumber.BigNumber): Promise<SignedOrder> {
+        await this.zeroEx.token.transferAsync(makerTokenAddress, this.coinbase, makerAddress, makerFillableAmount);
+        await this.zeroEx.token.setProxyAllowanceAsync(makerTokenAddress, makerAddress, makerFillableAmount);
+        await this.zeroEx.token.transferAsync(takerTokenAddress, this.coinbase, takerAddress, takerFillableAmount);
+        await this.zeroEx.token.setProxyAllowanceAsync(takerTokenAddress, takerAddress, takerFillableAmount);
+
+        if (!makerFee.isZero()) {
+            await this.zeroEx.token.transferAsync(this.zrxTokenAddress, this.coinbase, makerAddress, makerFee);
+            await this.zeroEx.token.setProxyAllowanceAsync(this.zrxTokenAddress, makerAddress, makerFee);
+        }
+        if (!takerFee.isZero()) {
+            await this.zeroEx.token.transferAsync(this.zrxTokenAddress, this.coinbase, takerAddress, takerFee);
+            await this.zeroEx.token.setProxyAllowanceAsync(this.zrxTokenAddress, takerAddress, takerFee);
+        }
+
+        const prevTransactionSenderAccount = await this.zeroEx.getTransactionSenderAccountIfExistsAsync();
+        this.zeroEx.setTransactionSenderAccount(makerAddress);
+        const signedOrder = await orderFactory.createSignedOrderAsync(this.zeroEx,
+            makerAddress, takerAddress, makerFee, takerFee,
+            makerFillableAmount, makerTokenAddress, takerFillableAmount, takerTokenAddress,
+            feeRecepient, expirationUnixTimestampSec);
+        // We re-set the transactionSender to avoid introducing side-effects
+        this.zeroEx.setTransactionSenderAccount(prevTransactionSenderAccount as string);
+        return signedOrder;
+    }
 }
diff --git a/test/utils/order_factory.ts b/test/utils/order_factory.ts
index 0f370ed34..373dbddc6 100644
--- a/test/utils/order_factory.ts
+++ b/test/utils/order_factory.ts
@@ -10,10 +10,13 @@ export const orderFactory = {
         zeroEx: ZeroEx,
         maker: string,
         taker: string,
-        makerTokenAmount: BigNumber.BigNumber|number,
+        makerFee: BigNumber.BigNumber,
+        takerFee: BigNumber.BigNumber,
+        makerTokenAmount: BigNumber.BigNumber,
         makerTokenAddress: string,
-        takerTokenAmount: BigNumber.BigNumber|number,
+        takerTokenAmount: BigNumber.BigNumber,
         takerTokenAddress: string,
+        feeRecipient: string,
         expirationUnixTimestampSec?: BigNumber.BigNumber): Promise<SignedOrder> {
         const defaultExpirationUnixTimestampSec = new BigNumber(2524604400); // Close to infinite
         expirationUnixTimestampSec = _.isUndefined(expirationUnixTimestampSec) ?
@@ -22,14 +25,14 @@ export const orderFactory = {
         const order = {
             maker,
             taker,
-            makerFee: new BigNumber(0),
-            takerFee: new BigNumber(0),
-            makerTokenAmount: _.isNumber(makerTokenAmount) ? new BigNumber(makerTokenAmount) : makerTokenAmount,
-            takerTokenAmount: _.isNumber(takerTokenAmount) ? new BigNumber(takerTokenAmount) : takerTokenAmount,
+            makerFee,
+            takerFee,
+            makerTokenAmount,
+            takerTokenAmount,
             makerTokenAddress,
             takerTokenAddress,
             salt: ZeroEx.generatePseudoRandomSalt(),
-            feeRecipient: constants.NULL_ADDRESS,
+            feeRecipient,
             expirationUnixTimestampSec,
         };
         const orderHash = await zeroEx.getOrderHashHexAsync(order);
diff --git a/test/utils/token_utils.ts b/test/utils/token_utils.ts
new file mode 100644
index 000000000..14788b299
--- /dev/null
+++ b/test/utils/token_utils.ts
@@ -0,0 +1,24 @@
+import * as _ from 'lodash';
+import {Token, ZeroExError} from '../../src/types';
+
+const PROTOCOL_TOKEN_SYMBOL = 'ZRX';
+
+export class TokenUtils {
+    private tokens: Token[];
+    constructor(tokens: Token[]) {
+        this.tokens = tokens;
+    }
+    public getProtocolTokenOrThrow(): Token {
+        const zrxToken = _.find(this.tokens, {symbol: PROTOCOL_TOKEN_SYMBOL});
+        if (_.isUndefined(zrxToken)) {
+            throw new Error(ZeroExError.ZRX_NOT_IN_TOKEN_REGISTRY);
+        }
+        return zrxToken;
+    }
+    public getNonProtocolTokens(): Token[] {
+        const nonProtocolTokens = _.filter(this.tokens, token => {
+            return token.symbol !== PROTOCOL_TOKEN_SYMBOL;
+        });
+        return nonProtocolTokens;
+    }
+}