Merge branch 'development' into refactor/httpClientJsonParsing

* development: (21 commits) Update connect CHANGELOG Changes to abi-gen after code review Added constructor ABIs to abi-gen Describe #295 in a CHANGELOG Add #302 description to changelog Fix formatting Apply prettier config Install prettier Remove formatting esilnt rules sendTransactionAsync should return txHash string Added Event generation to abi-gen Publish Add dates to CHANGELOG entries Update subproviders CHANGELOG Support both personal_sign and eth_sign Fix Ledger tests given change from `personal_sign` to `eth_sign` Update subprovider to catch correct RPC method Rename guide Update contribution guide Fix broken links in the abi-gen README ...
author: Brandon Millman <brandon.millman@gmail.com> 2018-01-09 10:02:41 +0800
committer: Brandon Millman <brandon.millman@gmail.com> 2018-01-09 10:02:41 +0800
commit: 8019b1b8231cac24dfc6aa3bb2d5115eff11ee89 (patch)
tree: d270d71404bd3aab44c79dcadf16e348614e9214 /packages/contracts
parent: 8fe81c9d090ce50496f3150602f19433e7aedd1e (diff)
parent: 7a56e83fa3ca02d796deba3359da480834a9f6ea (diff)
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44 files changed, 1091 insertions, 853 deletions
diff --git a/packages/contracts/deploy/cli.ts b/packages/contracts/deploy/cli.ts
index b02849826..c3a03e406 100644
--- a/packages/contracts/deploy/cli.ts
+++ b/packages/contracts/deploy/cli.ts
@@ -1,23 +1,19 @@
-import {Web3Wrapper} from '@0xproject/web3-wrapper';
-import {BigNumber} from 'bignumber.js';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import { BigNumber } from 'bignumber.js';
 import * as _ from 'lodash';
 import * as path from 'path';
 import * as Web3 from 'web3';
 import * as yargs from 'yargs';
 
-import {commands} from './src/commands';
-import {
-    CliOptions,
-    CompilerOptions,
-    DeployerOptions,
-} from './src/utils/types';
+import { commands } from './src/commands';
+import { CliOptions, CompilerOptions, DeployerOptions } from './src/utils/types';
 
 const DEFAULT_OPTIMIZER_ENABLED = false;
 const DEFAULT_CONTRACTS_DIR = path.resolve('contracts');
 const DEFAULT_ARTIFACTS_DIR = `${path.resolve('build')}/artifacts/`;
 const DEFAULT_NETWORK_ID = 50;
 const DEFAULT_JSONRPC_PORT = 8545;
-const DEFAULT_GAS_PRICE = ((10 ** 9) * 2).toString();
+const DEFAULT_GAS_PRICE = (10 ** 9 * 2).toString();
 
 /**
  * Compiles all contracts with options passed in through CLI.
@@ -108,8 +104,7 @@ function deployCommandBuilder(yargsInstance: any) {
             description: 'comma separated list of constructor args to deploy contract with',
         })
         .demandOption(['contract', 'args'])
-        .help()
-        .argv;
+        .help().argv;
 }
 
 (() => {
@@ -149,18 +144,13 @@ function deployCommandBuilder(yargsInstance: any) {
             type: 'string',
             description: 'account to use for deploying contracts',
         })
-        .command('compile',
-                 'compile contracts',
-                 identityCommandBuilder,
-                 onCompileCommand)
-        .command('migrate',
-                 'compile and deploy contracts using migration scripts',
-                 identityCommandBuilder,
-                 onMigrateCommand)
-        .command('deploy',
-                 'deploy a single contract with provided arguments',
-                 deployCommandBuilder,
-                 onDeployCommand)
-        .help()
-        .argv;
+        .command('compile', 'compile contracts', identityCommandBuilder, onCompileCommand)
+        .command(
+            'migrate',
+            'compile and deploy contracts using migration scripts',
+            identityCommandBuilder,
+            onMigrateCommand,
+        )
+        .command('deploy', 'deploy a single contract with provided arguments', deployCommandBuilder, onDeployCommand)
+        .help().argv;
 })();
diff --git a/packages/contracts/deploy/migrations/config/token_info.ts b/packages/contracts/deploy/migrations/config/token_info.ts
index f56914ecb..751150c03 100644
--- a/packages/contracts/deploy/migrations/config/token_info.ts
+++ b/packages/contracts/deploy/migrations/config/token_info.ts
@@ -1,5 +1,5 @@
-import {constants} from './../../src/utils/constants';
-import {Token} from './../../src/utils/types';
+import { constants } from './../../src/utils/constants';
+import { Token } from './../../src/utils/types';
 
 export const tokenInfo: Token[] = [
     {
diff --git a/packages/contracts/deploy/migrations/migrate.ts b/packages/contracts/deploy/migrations/migrate.ts
index d21d48a82..85f219a81 100644
--- a/packages/contracts/deploy/migrations/migrate.ts
+++ b/packages/contracts/deploy/migrations/migrate.ts
@@ -1,10 +1,10 @@
-import {Web3Wrapper} from '@0xproject/web3-wrapper';
-import {BigNumber} from 'bignumber.js';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import { BigNumber } from 'bignumber.js';
 import * as _ from 'lodash';
 
-import {Deployer} from './../src/deployer';
-import {constants} from './../src/utils/constants';
-import {tokenInfo} from './config/token_info';
+import { Deployer } from './../src/deployer';
+import { constants } from './../src/utils/constants';
+import { tokenInfo } from './config/token_info';
 
 export const migrator = {
     /**
@@ -29,12 +29,13 @@ export const migrator = {
         const multiSigArgs = [owners, confirmationsRequired, secondsRequired, tokenTransferProxy.address];
         const exchange = await deployer.deployAndSaveAsync('Exchange', exchangeArgs);
         const multiSig = await deployer.deployAndSaveAsync(
-            'MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', multiSigArgs,
+            'MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress',
+            multiSigArgs,
         );
 
         const owner = accounts[0];
-        await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, {from: owner});
-        await tokenTransferProxy.transferOwnership.sendTransactionAsync(multiSig.address, {from: owner});
+        await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { from: owner });
+        await tokenTransferProxy.transferOwnership.sendTransactionAsync(multiSig.address, { from: owner });
         const addTokenGasEstimate = await tokenReg.addToken.estimateGasAsync(
             zrxToken.address,
             tokenInfo[0].name,
@@ -42,7 +43,7 @@ export const migrator = {
             tokenInfo[0].decimals,
             tokenInfo[0].ipfsHash,
             tokenInfo[0].swarmHash,
-            {from: owner},
+            { from: owner },
         );
         await tokenReg.addToken.sendTransactionAsync(
             zrxToken.address,
@@ -70,12 +71,7 @@ export const migrator = {
         );
         for (const token of tokenInfo) {
             const totalSupply = new BigNumber(0);
-            const args = [
-                token.name,
-                token.symbol,
-                token.decimals,
-                totalSupply,
-            ];
+            const args = [token.name, token.symbol, token.decimals, totalSupply];
             const dummyToken = await deployer.deployAsync('DummyToken', args);
             await tokenReg.addToken.sendTransactionAsync(
                 dummyToken.address,
diff --git a/packages/contracts/deploy/src/commands.ts b/packages/contracts/deploy/src/commands.ts
index fc421a760..b87b9e632 100644
--- a/packages/contracts/deploy/src/commands.ts
+++ b/packages/contracts/deploy/src/commands.ts
@@ -1,7 +1,7 @@
-import {migrator} from './../migrations/migrate';
-import {Compiler} from './compiler';
-import {Deployer} from './deployer';
-import {CompilerOptions, DeployerOptions} from './utils/types';
+import { migrator } from './../migrations/migrate';
+import { Compiler } from './compiler';
+import { Deployer } from './deployer';
+import { CompilerOptions, DeployerOptions } from './utils/types';
 
 export const commands = {
     async compileAsync(opts: CompilerOptions): Promise<void> {
diff --git a/packages/contracts/deploy/src/compiler.ts b/packages/contracts/deploy/src/compiler.ts
index 02b8699b6..8b99371fa 100644
--- a/packages/contracts/deploy/src/compiler.ts
+++ b/packages/contracts/deploy/src/compiler.ts
@@ -4,8 +4,8 @@ import * as path from 'path';
 import solc = require('solc');
 import * as Web3 from 'web3';
 
-import {binPaths} from './../solc/bin_paths';
-import {fsWrapper} from './utils/fs_wrapper';
+import { binPaths } from './../solc/bin_paths';
+import { fsWrapper } from './utils/fs_wrapper';
 import {
     CompilerOptions,
     ContractArtifact,
@@ -14,7 +14,7 @@ import {
     ContractSources,
     ImportContents,
 } from './utils/types';
-import {utils} from './utils/utils';
+import { utils } from './utils/utils';
 
 const SOLIDITY_FILE_EXTENSION = '.sol';
 
@@ -150,9 +150,10 @@ export class Compiler {
             currentArtifact = JSON.parse(currentArtifactString);
             oldNetworks = currentArtifact.networks;
             const oldNetwork: ContractData = oldNetworks[this._networkId];
-            shouldCompile = _.isUndefined(oldNetwork) ||
-                            oldNetwork.keccak256 !== sourceHash ||
-                            oldNetwork.optimizer_enabled !== this._optimizerEnabled;
+            shouldCompile =
+                _.isUndefined(oldNetwork) ||
+                oldNetwork.keccak256 !== sourceHash ||
+                oldNetwork.optimizer_enabled !== this._optimizerEnabled;
         } catch (err) {
             shouldCompile = true;
         }
@@ -174,9 +175,11 @@ export class Compiler {
         const sourcesToCompile = {
             sources: input,
         };
-        const compiled = solcInstance.compile(sourcesToCompile,
-                                              this._optimizerEnabled,
-                                              this._findImportsIfSourcesExist.bind(this));
+        const compiled = solcInstance.compile(
+            sourcesToCompile,
+            this._optimizerEnabled,
+            this._findImportsIfSourcesExist.bind(this),
+        );
 
         if (!_.isUndefined(compiled.errors)) {
             _.each(compiled.errors, errMsg => {
diff --git a/packages/contracts/deploy/src/deployer.ts b/packages/contracts/deploy/src/deployer.ts
index ea1de59d3..6f03581e8 100644
--- a/packages/contracts/deploy/src/deployer.ts
+++ b/packages/contracts/deploy/src/deployer.ts
@@ -1,17 +1,13 @@
-import {TxData} from '@0xproject/types';
-import {Web3Wrapper} from '@0xproject/web3-wrapper';
+import { TxData } from '@0xproject/types';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import * as Web3 from 'web3';
 
-import {Contract} from './utils/contract';
-import {encoder} from './utils/encoder';
-import {fsWrapper} from './utils/fs_wrapper';
-import {
-    ContractArtifact,
-    ContractData,
-    DeployerOptions,
-} from './utils/types';
-import {utils} from './utils/utils';
+import { Contract } from './utils/contract';
+import { encoder } from './utils/encoder';
+import { fsWrapper } from './utils/fs_wrapper';
+import { ContractArtifact, ContractData, DeployerOptions } from './utils/types';
+import { utils } from './utils/utils';
 
 // Gas added to gas estimate to make sure there is sufficient gas for deployment.
 const EXTRA_GAS = 200000;
@@ -99,8 +95,11 @@ export class Deployer {
      * @param contractAddress Contract address to save to artifact.
      * @param args Contract constructor arguments that will be encoded and saved to artifact.
      */
-    private async _saveContractDataToArtifactAsync(contractName: string,
-                                                   contractAddress: string, args: any[]): Promise<void> {
+    private async _saveContractDataToArtifactAsync(
+        contractName: string,
+        contractAddress: string,
+        args: any[],
+    ): Promise<void> {
         const contractArtifact: ContractArtifact = this._loadContractArtifactIfExists(contractName);
         const contractData: ContractData = this._getContractDataFromArtifactIfExists(contractArtifact);
         const abi = contractData.abi;
diff --git a/packages/contracts/deploy/src/utils/contract.ts b/packages/contracts/deploy/src/utils/contract.ts
index ffad9ed70..2c8bbb79e 100644
--- a/packages/contracts/deploy/src/utils/contract.ts
+++ b/packages/contracts/deploy/src/utils/contract.ts
@@ -1,9 +1,9 @@
-import {schemas, SchemaValidator} from '@0xproject/json-schemas';
-import {promisify} from '@0xproject/utils';
+import { schemas, SchemaValidator } from '@0xproject/json-schemas';
+import { promisify } from '@0xproject/utils';
 import * as _ from 'lodash';
 import * as Web3 from 'web3';
 
-import {AbiType} from './types';
+import { AbiType } from './types';
 
 export class Contract implements Web3.ContractInstance {
     public address: string;
diff --git a/packages/contracts/deploy/src/utils/encoder.ts b/packages/contracts/deploy/src/utils/encoder.ts
index 0248e9f03..d5f807774 100644
--- a/packages/contracts/deploy/src/utils/encoder.ts
+++ b/packages/contracts/deploy/src/utils/encoder.ts
@@ -2,7 +2,7 @@ import * as _ from 'lodash';
 import * as Web3 from 'web3';
 import * as web3Abi from 'web3-eth-abi';
 
-import {AbiType} from './types';
+import { AbiType } from './types';
 
 export const encoder = {
     encodeConstructorArgsFromAbi(args: any[], abi: Web3.ContractAbi): string {
diff --git a/packages/contracts/deploy/src/utils/fs_wrapper.ts b/packages/contracts/deploy/src/utils/fs_wrapper.ts
index 90785d0dd..34c7caa0e 100644
--- a/packages/contracts/deploy/src/utils/fs_wrapper.ts
+++ b/packages/contracts/deploy/src/utils/fs_wrapper.ts
@@ -1,4 +1,4 @@
-import {promisify} from '@0xproject/utils';
+import { promisify } from '@0xproject/utils';
 import * as fs from 'fs';
 
 export const fsWrapper = {
diff --git a/packages/contracts/deploy/src/utils/types.ts b/packages/contracts/deploy/src/utils/types.ts
index 6831079e6..e054b9cc2 100644
--- a/packages/contracts/deploy/src/utils/types.ts
+++ b/packages/contracts/deploy/src/utils/types.ts
@@ -1,4 +1,4 @@
-import {TxData} from '@0xproject/types';
+import { TxData } from '@0xproject/types';
 import * as Web3 from 'web3';
 import * as yargs from 'yargs';
 
diff --git a/packages/contracts/deploy/test/deploy_test.ts b/packages/contracts/deploy/test/deploy_test.ts
index 263174a94..51dbf0e5b 100644
--- a/packages/contracts/deploy/test/deploy_test.ts
+++ b/packages/contracts/deploy/test/deploy_test.ts
@@ -1,12 +1,12 @@
 import * as chai from 'chai';
 import 'mocha';
 
-import {Compiler} from './../src/compiler';
-import {Deployer} from './../src/deployer';
-import {fsWrapper} from './../src/utils/fs_wrapper';
-import {CompilerOptions, ContractArtifact, ContractData, DoneCallback} from './../src/utils/types';
-import {constructor_args, exchange_binary} from './fixtures/exchange_bin';
-import {constants} from './util/constants';
+import { Compiler } from './../src/compiler';
+import { Deployer } from './../src/deployer';
+import { fsWrapper } from './../src/utils/fs_wrapper';
+import { CompilerOptions, ContractArtifact, ContractData, DoneCallback } from './../src/utils/types';
+import { constructor_args, exchange_binary } from './fixtures/exchange_bin';
+import { constants } from './util/constants';
 
 const expect = chai.expect;
 const artifactsDir = `${__dirname}/fixtures/artifacts`;
diff --git a/packages/contracts/deploy/test/fixtures/exchange_bin.ts b/packages/contracts/deploy/test/fixtures/exchange_bin.ts
index 0ca87760e..a6eae515e 100644
--- a/packages/contracts/deploy/test/fixtures/exchange_bin.ts
+++ b/packages/contracts/deploy/test/fixtures/exchange_bin.ts
@@ -1,4 +1,4 @@
-// tslint:disable-next-line:max-line-length
-export const constructor_args = '0x000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f4980000000000000000000000008da0d80f5007ef1e431dd2127178d224e32c2ef4';
-// tslint:disable-next-line:max-line-length
-export const exchange_binary = '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+export const constructor_args =
+    '0x000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f4980000000000000000000000008da0d80f5007ef1e431dd2127178d224e32c2ef4';
+export const exchange_binary =
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diff --git a/packages/contracts/deploy/test/util/constants.ts b/packages/contracts/deploy/test/util/constants.ts
index 65525a1f7..1bd062725 100644
--- a/packages/contracts/deploy/test/util/constants.ts
+++ b/packages/contracts/deploy/test/util/constants.ts
@@ -1,4 +1,4 @@
-import {BigNumber} from 'bignumber.js';
+import { BigNumber } from 'bignumber.js';
 
 export const constants = {
     networkId: 0,
diff --git a/packages/contracts/globalsAugment.d.ts b/packages/contracts/globalsAugment.d.ts
index 21f3742ae..c3ea54ffe 100644
--- a/packages/contracts/globalsAugment.d.ts
+++ b/packages/contracts/globalsAugment.d.ts
@@ -1,4 +1,4 @@
-import {BigNumber} from 'bignumber.js';
+import { BigNumber } from 'bignumber.js';
 
 // HACK: This module overrides the Chai namespace so that we can use BigNumber types inside.
 // Source: https://github.com/Microsoft/TypeScript/issues/7352#issuecomment-191547232
@@ -16,4 +16,4 @@ declare global {
         }
     }
     /* tslint:enable */
-}
-\ No newline at end of file
+}
diff --git a/packages/contracts/migrations/1_initial_migration.ts b/packages/contracts/migrations/1_initial_migration.ts
index b34bbc2a1..8661ee218 100644
--- a/packages/contracts/migrations/1_initial_migration.ts
+++ b/packages/contracts/migrations/1_initial_migration.ts
@@ -1,5 +1,5 @@
-import {Artifacts} from '../util/artifacts';
-const {Migrations} = new Artifacts(artifacts);
+import { Artifacts } from '../util/artifacts';
+const { Migrations } = new Artifacts(artifacts);
 
 module.exports = (deployer: any) => {
     deployer.deploy(Migrations);
diff --git a/packages/contracts/migrations/2_deploy_independent_contracts.ts b/packages/contracts/migrations/2_deploy_independent_contracts.ts
index b465db7db..ac1752347 100644
--- a/packages/contracts/migrations/2_deploy_independent_contracts.ts
+++ b/packages/contracts/migrations/2_deploy_independent_contracts.ts
@@ -1,11 +1,6 @@
-import {Artifacts} from '../util/artifacts';
-import {MultiSigConfigByNetwork} from '../util/types';
-const {
-    MultiSigWalletWithTimeLock,
-    TokenTransferProxy,
-    EtherToken,
-    TokenRegistry,
-} = new Artifacts(artifacts);
+import { Artifacts } from '../util/artifacts';
+import { MultiSigConfigByNetwork } from '../util/types';
+const { MultiSigWalletWithTimeLock, TokenTransferProxy, EtherToken, TokenRegistry } = new Artifacts(artifacts);
 
 let multiSigConfigByNetwork: MultiSigConfigByNetwork;
 try {
@@ -25,13 +20,15 @@ module.exports = (deployer: any, network: string, accounts: string[]) => {
     };
     const config = multiSigConfigByNetwork[network] || defaultConfig;
     if (network !== 'live') {
-            deployer.deploy(MultiSigWalletWithTimeLock, config.owners,
-                            config.confirmationsRequired, config.secondsRequired)
+        deployer
+            .deploy(MultiSigWalletWithTimeLock, config.owners, config.confirmationsRequired, config.secondsRequired)
             .then(() => {
                 return deployer.deploy(TokenTransferProxy);
-            }).then(() => {
+            })
+            .then(() => {
                 return deployer.deploy(TokenRegistry);
-            }).then(() => {
+            })
+            .then(() => {
                 return deployer.deploy(EtherToken);
             });
     } else {
diff --git a/packages/contracts/migrations/3_register_tokens.ts b/packages/contracts/migrations/3_register_tokens.ts
index f81693628..d5cf63f94 100644
--- a/packages/contracts/migrations/3_register_tokens.ts
+++ b/packages/contracts/migrations/3_register_tokens.ts
@@ -1,86 +1,95 @@
 import * as Bluebird from 'bluebird';
 import * as _ from 'lodash';
 
-import {Artifacts} from '../util/artifacts';
-import {constants} from '../util/constants';
-import {ContractInstance, Token} from '../util/types';
+import { Artifacts } from '../util/artifacts';
+import { constants } from '../util/constants';
+import { ContractInstance, Token } from '../util/types';
 
-import {tokenInfo} from './config/token_info';
-const {
-    DummyToken,
-    EtherToken,
-    ZRXToken,
-    TokenRegistry,
-} = new Artifacts(artifacts);
+import { tokenInfo } from './config/token_info';
+const { DummyToken, EtherToken, ZRXToken, TokenRegistry } = new Artifacts(artifacts);
 
 module.exports = (deployer: any, network: string) => {
     const tokens = network === 'live' ? tokenInfo.live : tokenInfo.development;
-    deployer.then(() => {
-        return TokenRegistry.deployed();
-    }).then((tokenRegistry: ContractInstance) => {
-        if (network !== 'live') {
-            const totalSupply = Math.pow(10, 18) * 1000000000;
-            return Bluebird.each(tokens.map((token: Token) => DummyToken.new(
-                token.name,
-                token.symbol,
-                token.decimals,
-                totalSupply,
-        )), _.noop).then((dummyTokens: ContractInstance[]) => {
-                const weth = {
-                    address: EtherToken.address,
-                    name: 'Ether Token',
-                    symbol: 'WETH',
-                    url: '',
+    deployer
+        .then(() => {
+            return TokenRegistry.deployed();
+        })
+        .then((tokenRegistry: ContractInstance) => {
+            if (network !== 'live') {
+                const totalSupply = Math.pow(10, 18) * 1000000000;
+                return Bluebird.each(
+                    tokens.map((token: Token) => DummyToken.new(token.name, token.symbol, token.decimals, totalSupply)),
+                    _.noop,
+                ).then((dummyTokens: ContractInstance[]) => {
+                    const weth = {
+                        address: EtherToken.address,
+                        name: 'Ether Token',
+                        symbol: 'WETH',
+                        url: '',
+                        decimals: 18,
+                        ipfsHash: constants.NULL_BYTES,
+                        swarmHash: constants.NULL_BYTES,
+                    };
+                    return Bluebird.each(
+                        dummyTokens
+                            .map((tokenContract: ContractInstance, i: number) => {
+                                const token = tokens[i];
+                                return tokenRegistry.addToken(
+                                    tokenContract.address,
+                                    token.name,
+                                    token.symbol,
+                                    token.decimals,
+                                    token.ipfsHash,
+                                    token.swarmHash,
+                                );
+                            })
+                            .concat(
+                                tokenRegistry.addToken(
+                                    weth.address,
+                                    weth.name,
+                                    weth.symbol,
+                                    weth.decimals,
+                                    weth.ipfsHash,
+                                    weth.swarmHash,
+                                ),
+                            ),
+                        _.noop,
+                    );
+                });
+            } else {
+                const zrx = {
+                    address: ZRXToken.address,
+                    name: '0x Protocol Token',
+                    symbol: 'ZRX',
+                    url: 'https://www.0xproject.com/',
                     decimals: 18,
                     ipfsHash: constants.NULL_BYTES,
                     swarmHash: constants.NULL_BYTES,
                 };
-                return Bluebird.each(dummyTokens.map((tokenContract: ContractInstance, i: number) => {
-                    const token = tokens[i];
-                    return tokenRegistry.addToken(
-                        tokenContract.address,
-                        token.name,
-                        token.symbol,
-                        token.decimals,
-                        token.ipfsHash,
-                        token.swarmHash,
-                    );
-                }).concat(tokenRegistry.addToken(
-                    weth.address,
-                    weth.name,
-                    weth.symbol,
-                    weth.decimals,
-                    weth.ipfsHash,
-                    weth.swarmHash,
-            )), _.noop);
-            });
-        } else {
-            const zrx = {
-                address: ZRXToken.address,
-                name: '0x Protocol Token',
-                symbol: 'ZRX',
-                url: 'https://www.0xproject.com/',
-                decimals: 18,
-                ipfsHash: constants.NULL_BYTES,
-                swarmHash: constants.NULL_BYTES,
-            };
-            return Bluebird.each(tokens.map((token: Token) => {
-                return tokenRegistry.addToken(
-                    token.address,
-                    token.name,
-                    token.symbol,
-                    token.decimals,
-                    token.ipfsHash,
-                    token.swarmHash,
+                return Bluebird.each(
+                    tokens
+                        .map((token: Token) => {
+                            return tokenRegistry.addToken(
+                                token.address,
+                                token.name,
+                                token.symbol,
+                                token.decimals,
+                                token.ipfsHash,
+                                token.swarmHash,
+                            );
+                        })
+                        .concat(
+                            tokenRegistry.addToken(
+                                zrx.address,
+                                zrx.name,
+                                zrx.symbol,
+                                zrx.decimals,
+                                zrx.ipfsHash,
+                                zrx.swarmHash,
+                            ),
+                        ),
+                    _.noop,
                 );
-            }).concat(tokenRegistry.addToken(
-                zrx.address,
-                zrx.name,
-                zrx.symbol,
-                zrx.decimals,
-                zrx.ipfsHash,
-                zrx.swarmHash,
-        )), _.noop);
-        }
-    });
+            }
+        });
 };
diff --git a/packages/contracts/migrations/4_configure_proxy.ts b/packages/contracts/migrations/4_configure_proxy.ts
index f4c4a725b..ff3b844d6 100644
--- a/packages/contracts/migrations/4_configure_proxy.ts
+++ b/packages/contracts/migrations/4_configure_proxy.ts
@@ -1,27 +1,22 @@
-import {Artifacts} from '../util/artifacts';
-import {ContractInstance} from '../util/types';
-const {
-    TokenTransferProxy,
-    Exchange,
-    TokenRegistry,
-} = new Artifacts(artifacts);
+import { Artifacts } from '../util/artifacts';
+import { ContractInstance } from '../util/types';
+const { TokenTransferProxy, Exchange, TokenRegistry } = new Artifacts(artifacts);
 
 let tokenTransferProxy: ContractInstance;
 module.exports = (deployer: any) => {
-    deployer.then(async () => {
-        return Promise.all([
-            TokenTransferProxy.deployed(),
-            TokenRegistry.deployed(),
-        ]);
-    })
-    .then((instances: ContractInstance[]) => {
-        let tokenRegistry: ContractInstance;
-        [tokenTransferProxy, tokenRegistry] = instances;
-        return tokenRegistry.getTokenAddressBySymbol('ZRX');
-    })
-    .then((ptAddress: string) => {
-        return deployer.deploy(Exchange, ptAddress, tokenTransferProxy.address);
-    }).then(() => {
-        return tokenTransferProxy.addAuthorizedAddress(Exchange.address);
-    });
+    deployer
+        .then(async () => {
+            return Promise.all([TokenTransferProxy.deployed(), TokenRegistry.deployed()]);
+        })
+        .then((instances: ContractInstance[]) => {
+            let tokenRegistry: ContractInstance;
+            [tokenTransferProxy, tokenRegistry] = instances;
+            return tokenRegistry.getTokenAddressBySymbol('ZRX');
+        })
+        .then((ptAddress: string) => {
+            return deployer.deploy(Exchange, ptAddress, tokenTransferProxy.address);
+        })
+        .then(() => {
+            return tokenTransferProxy.addAuthorizedAddress(Exchange.address);
+        });
 };
diff --git a/packages/contracts/migrations/5_transfer_ownership.ts b/packages/contracts/migrations/5_transfer_ownership.ts
index 17de9bc7b..a27801de3 100644
--- a/packages/contracts/migrations/5_transfer_ownership.ts
+++ b/packages/contracts/migrations/5_transfer_ownership.ts
@@ -1,25 +1,20 @@
-import {Artifacts} from '../util/artifacts';
-import {ContractInstance} from '../util/types';
-const {
-    TokenTransferProxy,
-    MultiSigWalletWithTimeLock,
-    TokenRegistry,
-} = new Artifacts(artifacts);
+import { Artifacts } from '../util/artifacts';
+import { ContractInstance } from '../util/types';
+const { TokenTransferProxy, MultiSigWalletWithTimeLock, TokenRegistry } = new Artifacts(artifacts);
 
 let tokenRegistry: ContractInstance;
 module.exports = (deployer: any, network: string) => {
     if (network !== 'development') {
         deployer.then(async () => {
-            return Promise.all([
-                TokenTransferProxy.deployed(),
-                TokenRegistry.deployed(),
-            ]).then((instances: ContractInstance[]) => {
-                let tokenTransferProxy: ContractInstance;
-                [tokenTransferProxy, tokenRegistry] = instances;
-                return tokenTransferProxy.transferOwnership(MultiSigWalletWithTimeLock.address);
-            }).then(() => {
-                return tokenRegistry.transferOwnership(MultiSigWalletWithTimeLock.address);
-            });
+            return Promise.all([TokenTransferProxy.deployed(), TokenRegistry.deployed()])
+                .then((instances: ContractInstance[]) => {
+                    let tokenTransferProxy: ContractInstance;
+                    [tokenTransferProxy, tokenRegistry] = instances;
+                    return tokenTransferProxy.transferOwnership(MultiSigWalletWithTimeLock.address);
+                })
+                .then(() => {
+                    return tokenRegistry.transferOwnership(MultiSigWalletWithTimeLock.address);
+                });
         });
     }
 };
diff --git a/packages/contracts/migrations/config/multisig_sample.ts b/packages/contracts/migrations/config/multisig_sample.ts
index eca54ba28..97cdc2eae 100644
--- a/packages/contracts/migrations/config/multisig_sample.ts
+++ b/packages/contracts/migrations/config/multisig_sample.ts
@@ -1,4 +1,4 @@
-import {MultiSigConfigByNetwork} from '../../util/types';
+import { MultiSigConfigByNetwork } from '../../util/types';
 
 // Make a copy of this file named `multisig.js` and input custom params as needed
 export const multiSig: MultiSigConfigByNetwork = {
diff --git a/packages/contracts/migrations/config/token_info.ts b/packages/contracts/migrations/config/token_info.ts
index 766a28664..6ae67175e 100644
--- a/packages/contracts/migrations/config/token_info.ts
+++ b/packages/contracts/migrations/config/token_info.ts
@@ -1,5 +1,5 @@
-import {constants} from '../../util/constants';
-import {TokenInfoByNetwork} from '../../util/types';
+import { constants } from '../../util/constants';
+import { TokenInfoByNetwork } from '../../util/types';
 
 export const tokenInfo: TokenInfoByNetwork = {
     development: [
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index bb05441b0..c93043b3b 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -1,7 +1,7 @@
 {
   "private": true,
   "name": "contracts",
-  "version": "2.1.0",
+  "version": "2.1.1",
   "description": "Smart contract components of 0x protocol",
   "main": "index.js",
   "directories": {
@@ -29,9 +29,9 @@
   },
   "homepage": "https://github.com/0xProject/0x.js/packages/contracts/README.md",
   "devDependencies": {
-    "@0xproject/dev-utils": "^0.0.2",
-    "@0xproject/tslint-config": "^0.3.0",
-    "@0xproject/types": "^0.1.1",
+    "@0xproject/dev-utils": "^0.0.3",
+    "@0xproject/tslint-config": "^0.4.0",
+    "@0xproject/types": "^0.1.2",
     "@types/bluebird": "^3.5.3",
     "@types/lodash": "^4.14.86",
     "@types/node": "^8.0.53",
@@ -55,10 +55,10 @@
     "yargs": "^10.0.3"
   },
   "dependencies": {
-    "0x.js": "^0.28.0",
-    "@0xproject/json-schemas": "^0.7.0",
-    "@0xproject/utils": "^0.1.1",
-    "@0xproject/web3-wrapper": "^0.1.1",
+    "0x.js": "^0.29.0",
+    "@0xproject/json-schemas": "^0.7.1",
+    "@0xproject/utils": "^0.1.2",
+    "@0xproject/web3-wrapper": "^0.1.2",
     "bignumber.js": "~4.1.0",
     "bluebird": "^3.5.0",
     "bn.js": "^4.11.8",
diff --git a/packages/contracts/test/ts/ether_token.ts b/packages/contracts/test/ts/ether_token.ts
index 99630583f..98f477838 100644
--- a/packages/contracts/test/ts/ether_token.ts
+++ b/packages/contracts/test/ts/ether_token.ts
@@ -1,15 +1,15 @@
-import {ZeroEx, ZeroExError} from '0x.js';
-import {promisify} from '@0xproject/utils';
-import {BigNumber} from 'bignumber.js';
+import { ZeroEx, ZeroExError } from '0x.js';
+import { promisify } from '@0xproject/utils';
+import { BigNumber } from 'bignumber.js';
 import * as chai from 'chai';
 import Web3 = require('web3');
 
-import {Artifacts} from '../../util/artifacts';
-import {constants} from '../../util/constants';
+import { Artifacts } from '../../util/artifacts';
+import { constants } from '../../util/constants';
 
-import {chaiSetup} from './utils/chai_setup';
+import { chaiSetup } from './utils/chai_setup';
 
-const {EtherToken} = new Artifacts(artifacts);
+const { EtherToken } = new Artifacts(artifacts);
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -44,8 +44,9 @@ contract('EtherToken', (accounts: string[]) => {
             const initEthBalance = await getEthBalanceAsync(account);
             const ethToDeposit = initEthBalance.plus(1);
 
-            return expect(zeroEx.etherToken.depositAsync(etherTokenAddress, ethToDeposit, account))
-                .to.be.rejectedWith(ZeroExError.InsufficientEthBalanceForDeposit);
+            return expect(zeroEx.etherToken.depositAsync(etherTokenAddress, ethToDeposit, account)).to.be.rejectedWith(
+                ZeroExError.InsufficientEthBalanceForDeposit,
+            );
         });
 
         it('should convert deposited Ether to wrapped Ether tokens', async () => {
@@ -71,8 +72,9 @@ contract('EtherToken', (accounts: string[]) => {
             const initEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account);
             const ethTokensToWithdraw = initEthTokenBalance.plus(1);
 
-            return expect(zeroEx.etherToken.withdrawAsync(etherTokenAddress, ethTokensToWithdraw, account))
-                .to.be.rejectedWith(ZeroExError.InsufficientWEthBalanceForWithdrawal);
+            return expect(
+                zeroEx.etherToken.withdrawAsync(etherTokenAddress, ethTokensToWithdraw, account),
+            ).to.be.rejectedWith(ZeroExError.InsufficientWEthBalanceForWithdrawal);
         });
 
         it('should convert ether tokens to ether with sufficient balance', async () => {
@@ -89,8 +91,9 @@ contract('EtherToken', (accounts: string[]) => {
             const finalEthBalance = await getEthBalanceAsync(account);
             const finalEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account);
 
-            expect(finalEthBalance).to.be.bignumber
-                .equal(initEthBalance.plus(ethTokensToWithdraw.minus(ethSpentOnGas)));
+            expect(finalEthBalance).to.be.bignumber.equal(
+                initEthBalance.plus(ethTokensToWithdraw.minus(ethSpentOnGas)),
+            );
             expect(finalEthTokenBalance).to.be.bignumber.equal(initEthTokenBalance.minus(ethTokensToWithdraw));
         });
     });
diff --git a/packages/contracts/test/ts/exchange/core.ts b/packages/contracts/test/ts/exchange/core.ts
index aef2b5a5d..19887a3e6 100644
--- a/packages/contracts/test/ts/exchange/core.ts
+++ b/packages/contracts/test/ts/exchange/core.ts
@@ -1,28 +1,22 @@
-import {ZeroEx} from '0x.js';
-import {BigNumber} from 'bignumber.js';
+import { ZeroEx } from '0x.js';
+import { BigNumber } from 'bignumber.js';
 import * as chai from 'chai';
 import ethUtil = require('ethereumjs-util');
 import * as Web3 from 'web3';
 
-import {Artifacts} from '../../../util/artifacts';
-import {Balances} from '../../../util/balances';
-import {constants} from '../../../util/constants';
-import {crypto} from '../../../util/crypto';
-import {ExchangeWrapper} from '../../../util/exchange_wrapper';
-import {Order} from '../../../util/order';
-import {OrderFactory} from '../../../util/order_factory';
-import {BalancesByOwner, ContractInstance, ExchangeContractErrs} from '../../../util/types';
-import {chaiSetup} from '../utils/chai_setup';
+import { Artifacts } from '../../../util/artifacts';
+import { Balances } from '../../../util/balances';
+import { constants } from '../../../util/constants';
+import { crypto } from '../../../util/crypto';
+import { ExchangeWrapper } from '../../../util/exchange_wrapper';
+import { Order } from '../../../util/order';
+import { OrderFactory } from '../../../util/order_factory';
+import { BalancesByOwner, ContractInstance, ExchangeContractErrs } from '../../../util/types';
+import { chaiSetup } from '../utils/chai_setup';
 
 chaiSetup.configure();
 const expect = chai.expect;
-const {
-    Exchange,
-    TokenTransferProxy,
-    DummyToken,
-    TokenRegistry,
-    MaliciousToken,
-} = new Artifacts(artifacts);
+const { Exchange, TokenTransferProxy, DummyToken, TokenRegistry, MaliciousToken } = new Artifacts(artifacts);
 
 // In order to benefit from type-safety, we re-assign the global web3 instance injected by Truffle
 // with type `any` to a variable of type `Web3`.
@@ -52,10 +46,7 @@ contract('Exchange', (accounts: string[]) => {
     let zeroEx: ZeroEx;
 
     before(async () => {
-        [tokenRegistry, exchange] = await Promise.all([
-            TokenRegistry.deployed(),
-            Exchange.deployed(),
-        ]);
+        [tokenRegistry, exchange] = await Promise.all([TokenRegistry.deployed(), Exchange.deployed()]);
         exWrapper = new ExchangeWrapper(exchange);
         zeroEx = new ZeroEx(web3.currentProvider, {
             exchangeContractAddress: exchange.address,
@@ -88,18 +79,30 @@ contract('Exchange', (accounts: string[]) => {
         ]);
         dmyBalances = new Balances([rep, dgd, zrx], [maker, taker, feeRecipient]);
         await Promise.all([
-            rep.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {from: maker}),
-            rep.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {from: taker}),
-            rep.setBalance(maker, INITIAL_BALANCE, {from: tokenOwner}),
-            rep.setBalance(taker, INITIAL_BALANCE, {from: tokenOwner}),
-            dgd.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {from: maker}),
-            dgd.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {from: taker}),
-            dgd.setBalance(maker, INITIAL_BALANCE, {from: tokenOwner}),
-            dgd.setBalance(taker, INITIAL_BALANCE, {from: tokenOwner}),
-            zrx.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {from: maker}),
-            zrx.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {from: taker}),
-            zrx.setBalance(maker, INITIAL_BALANCE, {from: tokenOwner}),
-            zrx.setBalance(taker, INITIAL_BALANCE, {from: tokenOwner}),
+            rep.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {
+                from: maker,
+            }),
+            rep.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {
+                from: taker,
+            }),
+            rep.setBalance(maker, INITIAL_BALANCE, { from: tokenOwner }),
+            rep.setBalance(taker, INITIAL_BALANCE, { from: tokenOwner }),
+            dgd.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {
+                from: maker,
+            }),
+            dgd.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {
+                from: taker,
+            }),
+            dgd.setBalance(maker, INITIAL_BALANCE, { from: tokenOwner }),
+            dgd.setBalance(taker, INITIAL_BALANCE, { from: tokenOwner }),
+            zrx.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {
+                from: maker,
+            }),
+            zrx.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {
+                from: taker,
+            }),
+            zrx.setBalance(maker, INITIAL_BALANCE, { from: tokenOwner }),
+            zrx.setBalance(taker, INITIAL_BALANCE, { from: tokenOwner }),
         ]);
     });
 
@@ -133,22 +136,29 @@ contract('Exchange', (accounts: string[]) => {
                 takerTokenAmount: new BigNumber(3),
             });
 
-            const filledTakerTokenAmountBefore =
-                await zeroEx.exchange.getFilledTakerAmountAsync(order.params.orderHashHex);
+            const filledTakerTokenAmountBefore = await zeroEx.exchange.getFilledTakerAmountAsync(
+                order.params.orderHashHex,
+            );
             expect(filledTakerTokenAmountBefore).to.be.bignumber.equal(0);
 
             const fillTakerTokenAmount1 = new BigNumber(2);
-            await exWrapper.fillOrderAsync(order, taker, {fillTakerTokenAmount: fillTakerTokenAmount1});
+            await exWrapper.fillOrderAsync(order, taker, {
+                fillTakerTokenAmount: fillTakerTokenAmount1,
+            });
 
-            const filledTakerTokenAmountAfter1 =
-                await zeroEx.exchange.getFilledTakerAmountAsync(order.params.orderHashHex);
+            const filledTakerTokenAmountAfter1 = await zeroEx.exchange.getFilledTakerAmountAsync(
+                order.params.orderHashHex,
+            );
             expect(filledTakerTokenAmountAfter1).to.be.bignumber.equal(fillTakerTokenAmount1);
 
             const fillTakerTokenAmount2 = new BigNumber(1);
-            await exWrapper.fillOrderAsync(order, taker, {fillTakerTokenAmount: fillTakerTokenAmount2});
+            await exWrapper.fillOrderAsync(order, taker, {
+                fillTakerTokenAmount: fillTakerTokenAmount2,
+            });
 
-            const filledTakerTokenAmountAfter2 =
-                await zeroEx.exchange.getFilledTakerAmountAsync(order.params.orderHashHex);
+            const filledTakerTokenAmountAfter2 = await zeroEx.exchange.getFilledTakerAmountAsync(
+                order.params.orderHashHex,
+            );
             expect(filledTakerTokenAmountAfter2).to.be.bignumber.equal(filledTakerTokenAmountAfter1);
         });
 
@@ -158,42 +168,51 @@ contract('Exchange', (accounts: string[]) => {
                 takerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(100), 18),
             });
 
-            const filledTakerTokenAmountBefore =
-                await zeroEx.exchange.getFilledTakerAmountAsync(order.params.orderHashHex);
+            const filledTakerTokenAmountBefore = await zeroEx.exchange.getFilledTakerAmountAsync(
+                order.params.orderHashHex,
+            );
             expect(filledTakerTokenAmountBefore).to.be.bignumber.equal(0);
 
             const fillTakerTokenAmount = order.params.takerTokenAmount.div(2);
-            await exWrapper.fillOrderAsync(order, taker, {fillTakerTokenAmount});
+            await exWrapper.fillOrderAsync(order, taker, { fillTakerTokenAmount });
 
-            const filledTakerTokenAmountAfter =
-                await zeroEx.exchange.getFilledTakerAmountAsync(order.params.orderHashHex);
+            const filledTakerTokenAmountAfter = await zeroEx.exchange.getFilledTakerAmountAsync(
+                order.params.orderHashHex,
+            );
             expect(filledTakerTokenAmountAfter).to.be.bignumber.equal(fillTakerTokenAmount);
 
             const newBalances = await dmyBalances.getAsync();
 
             const fillMakerTokenAmount = fillTakerTokenAmount
-                                   .times(order.params.makerTokenAmount)
-                                   .dividedToIntegerBy(order.params.takerTokenAmount);
+                .times(order.params.makerTokenAmount)
+                .dividedToIntegerBy(order.params.takerTokenAmount);
             const paidMakerFee = order.params.makerFee
-                           .times(fillMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
+                .times(fillMakerTokenAmount)
+                .dividedToIntegerBy(order.params.makerTokenAmount);
             const paidTakerFee = order.params.takerFee
-                           .times(fillMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
-            expect(newBalances[maker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.makerToken].minus(fillMakerTokenAmount));
-            expect(newBalances[maker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.takerToken].add(fillTakerTokenAmount));
-            expect(newBalances[maker][zrx.address]).to.be.bignumber
-                .equal(balances[maker][zrx.address].minus(paidMakerFee));
-            expect(newBalances[taker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.takerToken].minus(fillTakerTokenAmount));
-            expect(newBalances[taker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.makerToken].add(fillMakerTokenAmount));
-            expect(newBalances[taker][zrx.address]).to.be.bignumber
-                .equal(balances[taker][zrx.address].minus(paidTakerFee));
-            expect(newBalances[feeRecipient][zrx.address])
-                .to.be.bignumber.equal(balances[feeRecipient][zrx.address].add(paidMakerFee.add(paidTakerFee)));
+                .times(fillMakerTokenAmount)
+                .dividedToIntegerBy(order.params.makerTokenAmount);
+            expect(newBalances[maker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.makerToken].minus(fillMakerTokenAmount),
+            );
+            expect(newBalances[maker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.takerToken].add(fillTakerTokenAmount),
+            );
+            expect(newBalances[maker][zrx.address]).to.be.bignumber.equal(
+                balances[maker][zrx.address].minus(paidMakerFee),
+            );
+            expect(newBalances[taker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.takerToken].minus(fillTakerTokenAmount),
+            );
+            expect(newBalances[taker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.makerToken].add(fillMakerTokenAmount),
+            );
+            expect(newBalances[taker][zrx.address]).to.be.bignumber.equal(
+                balances[taker][zrx.address].minus(paidTakerFee),
+            );
+            expect(newBalances[feeRecipient][zrx.address]).to.be.bignumber.equal(
+                balances[feeRecipient][zrx.address].add(paidMakerFee.add(paidTakerFee)),
+            );
         });
 
         it('should transfer the correct amounts when makerTokenAmount > takerTokenAmount', async () => {
@@ -202,42 +221,51 @@ contract('Exchange', (accounts: string[]) => {
                 takerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(100), 18),
             });
 
-            const filledTakerTokenAmountBefore =
-                await zeroEx.exchange.getFilledTakerAmountAsync(order.params.orderHashHex);
+            const filledTakerTokenAmountBefore = await zeroEx.exchange.getFilledTakerAmountAsync(
+                order.params.orderHashHex,
+            );
             expect(filledTakerTokenAmountBefore).to.be.bignumber.equal(0);
 
             const fillTakerTokenAmount = order.params.takerTokenAmount.div(2);
-            await exWrapper.fillOrderAsync(order, taker, {fillTakerTokenAmount});
+            await exWrapper.fillOrderAsync(order, taker, { fillTakerTokenAmount });
 
-            const filledTakerTokenAmountAfter =
-                await zeroEx.exchange.getFilledTakerAmountAsync(order.params.orderHashHex);
+            const filledTakerTokenAmountAfter = await zeroEx.exchange.getFilledTakerAmountAsync(
+                order.params.orderHashHex,
+            );
             expect(filledTakerTokenAmountAfter).to.be.bignumber.equal(fillTakerTokenAmount);
 
             const newBalances = await dmyBalances.getAsync();
 
             const fillMakerTokenAmount = fillTakerTokenAmount
-                                   .times(order.params.makerTokenAmount)
-                                   .dividedToIntegerBy(order.params.takerTokenAmount);
+                .times(order.params.makerTokenAmount)
+                .dividedToIntegerBy(order.params.takerTokenAmount);
             const paidMakerFee = order.params.makerFee
-                           .times(fillMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
+                .times(fillMakerTokenAmount)
+                .dividedToIntegerBy(order.params.makerTokenAmount);
             const paidTakerFee = order.params.takerFee
-                           .times(fillMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
-            expect(newBalances[maker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.makerToken].minus(fillMakerTokenAmount));
-            expect(newBalances[maker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.takerToken].add(fillTakerTokenAmount));
-            expect(newBalances[maker][zrx.address]).to.be.bignumber
-                .equal(balances[maker][zrx.address].minus(paidMakerFee));
-            expect(newBalances[taker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.takerToken].minus(fillTakerTokenAmount));
-            expect(newBalances[taker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.makerToken].add(fillMakerTokenAmount));
-            expect(newBalances[taker][zrx.address]).to.be.bignumber
-                .equal(balances[taker][zrx.address].minus(paidTakerFee));
-            expect(newBalances[feeRecipient][zrx.address])
-                .to.be.bignumber.equal(balances[feeRecipient][zrx.address].add(paidMakerFee.add(paidTakerFee)));
+                .times(fillMakerTokenAmount)
+                .dividedToIntegerBy(order.params.makerTokenAmount);
+            expect(newBalances[maker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.makerToken].minus(fillMakerTokenAmount),
+            );
+            expect(newBalances[maker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.takerToken].add(fillTakerTokenAmount),
+            );
+            expect(newBalances[maker][zrx.address]).to.be.bignumber.equal(
+                balances[maker][zrx.address].minus(paidMakerFee),
+            );
+            expect(newBalances[taker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.takerToken].minus(fillTakerTokenAmount),
+            );
+            expect(newBalances[taker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.makerToken].add(fillMakerTokenAmount),
+            );
+            expect(newBalances[taker][zrx.address]).to.be.bignumber.equal(
+                balances[taker][zrx.address].minus(paidTakerFee),
+            );
+            expect(newBalances[feeRecipient][zrx.address]).to.be.bignumber.equal(
+                balances[feeRecipient][zrx.address].add(paidMakerFee.add(paidTakerFee)),
+            );
         });
 
         it('should transfer the correct amounts when makerTokenAmount < takerTokenAmount', async () => {
@@ -246,42 +274,51 @@ contract('Exchange', (accounts: string[]) => {
                 takerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(200), 18),
             });
 
-            const filledTakerTokenAmountBefore =
-                await zeroEx.exchange.getFilledTakerAmountAsync(order.params.orderHashHex);
+            const filledTakerTokenAmountBefore = await zeroEx.exchange.getFilledTakerAmountAsync(
+                order.params.orderHashHex,
+            );
             expect(filledTakerTokenAmountBefore).to.be.bignumber.equal(0);
 
             const fillTakerTokenAmount = order.params.takerTokenAmount.div(2);
-            await exWrapper.fillOrderAsync(order, taker, {fillTakerTokenAmount});
+            await exWrapper.fillOrderAsync(order, taker, { fillTakerTokenAmount });
 
-            const filledTakerTokenAmountAfter =
-                await zeroEx.exchange.getFilledTakerAmountAsync(order.params.orderHashHex);
+            const filledTakerTokenAmountAfter = await zeroEx.exchange.getFilledTakerAmountAsync(
+                order.params.orderHashHex,
+            );
             expect(filledTakerTokenAmountAfter).to.be.bignumber.equal(fillTakerTokenAmount);
 
             const newBalances = await dmyBalances.getAsync();
 
             const fillMakerTokenAmount = fillTakerTokenAmount
-                                   .times(order.params.makerTokenAmount)
-                                   .dividedToIntegerBy(order.params.takerTokenAmount);
+                .times(order.params.makerTokenAmount)
+                .dividedToIntegerBy(order.params.takerTokenAmount);
             const paidMakerFee = order.params.makerFee
-                           .times(fillMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
+                .times(fillMakerTokenAmount)
+                .dividedToIntegerBy(order.params.makerTokenAmount);
             const paidTakerFee = order.params.takerFee
-                           .times(fillMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
-            expect(newBalances[maker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.makerToken].minus(fillMakerTokenAmount));
-            expect(newBalances[maker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.takerToken].add(fillTakerTokenAmount));
-            expect(newBalances[maker][zrx.address]).to.be.bignumber
-                .equal(balances[maker][zrx.address].minus(paidMakerFee));
-            expect(newBalances[taker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.takerToken].minus(fillTakerTokenAmount));
-            expect(newBalances[taker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.makerToken].add(fillMakerTokenAmount));
-            expect(newBalances[taker][zrx.address]).to.be.bignumber
-                .equal(balances[taker][zrx.address].minus(paidTakerFee));
-            expect(newBalances[feeRecipient][zrx.address])
-                .to.be.bignumber.equal(balances[feeRecipient][zrx.address].add(paidMakerFee.add(paidTakerFee)));
+                .times(fillMakerTokenAmount)
+                .dividedToIntegerBy(order.params.makerTokenAmount);
+            expect(newBalances[maker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.makerToken].minus(fillMakerTokenAmount),
+            );
+            expect(newBalances[maker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.takerToken].add(fillTakerTokenAmount),
+            );
+            expect(newBalances[maker][zrx.address]).to.be.bignumber.equal(
+                balances[maker][zrx.address].minus(paidMakerFee),
+            );
+            expect(newBalances[taker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.takerToken].minus(fillTakerTokenAmount),
+            );
+            expect(newBalances[taker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.makerToken].add(fillMakerTokenAmount),
+            );
+            expect(newBalances[taker][zrx.address]).to.be.bignumber.equal(
+                balances[taker][zrx.address].minus(paidTakerFee),
+            );
+            expect(newBalances[feeRecipient][zrx.address]).to.be.bignumber.equal(
+                balances[feeRecipient][zrx.address].add(paidMakerFee.add(paidTakerFee)),
+            );
         });
 
         it('should transfer the correct amounts when taker is specified and order is claimed by taker', async () => {
@@ -291,78 +328,95 @@ contract('Exchange', (accounts: string[]) => {
                 takerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(200), 18),
             });
 
-            const filledTakerTokenAmountBefore =
-                await zeroEx.exchange.getFilledTakerAmountAsync(order.params.orderHashHex);
+            const filledTakerTokenAmountBefore = await zeroEx.exchange.getFilledTakerAmountAsync(
+                order.params.orderHashHex,
+            );
             expect(filledTakerTokenAmountBefore).to.be.bignumber.equal(0);
 
             const fillTakerTokenAmount = order.params.takerTokenAmount.div(2);
-            await exWrapper.fillOrderAsync(order, taker, {fillTakerTokenAmount});
+            await exWrapper.fillOrderAsync(order, taker, { fillTakerTokenAmount });
 
-            const filledTakerTokenAmountAfter =
-                await zeroEx.exchange.getFilledTakerAmountAsync(order.params.orderHashHex);
+            const filledTakerTokenAmountAfter = await zeroEx.exchange.getFilledTakerAmountAsync(
+                order.params.orderHashHex,
+            );
             const expectedFillAmountTAfter = fillTakerTokenAmount.add(filledTakerTokenAmountBefore);
             expect(filledTakerTokenAmountAfter).to.be.bignumber.equal(expectedFillAmountTAfter);
 
             const newBalances = await dmyBalances.getAsync();
 
             const fillMakerTokenAmount = fillTakerTokenAmount
-                                   .times(order.params.makerTokenAmount)
-                                   .dividedToIntegerBy(order.params.takerTokenAmount);
+                .times(order.params.makerTokenAmount)
+                .dividedToIntegerBy(order.params.takerTokenAmount);
             const paidMakerFee = order.params.makerFee
-                           .times(fillMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
+                .times(fillMakerTokenAmount)
+                .dividedToIntegerBy(order.params.makerTokenAmount);
             const paidTakerFee = order.params.takerFee
-                           .times(fillMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
-            expect(newBalances[maker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.makerToken].minus(fillMakerTokenAmount));
-            expect(newBalances[maker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.takerToken].add(fillTakerTokenAmount));
-            expect(newBalances[maker][zrx.address]).to.be.bignumber
-                .equal(balances[maker][zrx.address].minus(paidMakerFee));
-            expect(newBalances[taker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.takerToken].minus(fillTakerTokenAmount));
-            expect(newBalances[taker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.makerToken].add(fillMakerTokenAmount));
-            expect(newBalances[taker][zrx.address]).to.be.bignumber
-                .equal(balances[taker][zrx.address].minus(paidTakerFee));
-            expect(newBalances[feeRecipient][zrx.address])
-                .to.be.bignumber.equal(balances[feeRecipient][zrx.address].add(paidMakerFee.add(paidTakerFee)));
+                .times(fillMakerTokenAmount)
+                .dividedToIntegerBy(order.params.makerTokenAmount);
+            expect(newBalances[maker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.makerToken].minus(fillMakerTokenAmount),
+            );
+            expect(newBalances[maker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.takerToken].add(fillTakerTokenAmount),
+            );
+            expect(newBalances[maker][zrx.address]).to.be.bignumber.equal(
+                balances[maker][zrx.address].minus(paidMakerFee),
+            );
+            expect(newBalances[taker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.takerToken].minus(fillTakerTokenAmount),
+            );
+            expect(newBalances[taker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.makerToken].add(fillMakerTokenAmount),
+            );
+            expect(newBalances[taker][zrx.address]).to.be.bignumber.equal(
+                balances[taker][zrx.address].minus(paidTakerFee),
+            );
+            expect(newBalances[feeRecipient][zrx.address]).to.be.bignumber.equal(
+                balances[feeRecipient][zrx.address].add(paidMakerFee.add(paidTakerFee)),
+            );
         });
 
         it('should fill remaining value if fillTakerTokenAmount > remaining takerTokenAmount', async () => {
             const fillTakerTokenAmount = order.params.takerTokenAmount.div(2);
-            await exWrapper.fillOrderAsync(order, taker, {fillTakerTokenAmount});
+            await exWrapper.fillOrderAsync(order, taker, { fillTakerTokenAmount });
 
-            const res = await exWrapper.fillOrderAsync(order, taker,
-                                                      {fillTakerTokenAmount: order.params.takerTokenAmount});
+            const res = await exWrapper.fillOrderAsync(order, taker, {
+                fillTakerTokenAmount: order.params.takerTokenAmount,
+            });
 
-            expect(res.logs[0].args.filledTakerTokenAmount)
-                .to.be.bignumber.equal(order.params.takerTokenAmount.minus(fillTakerTokenAmount));
+            expect(res.logs[0].args.filledTakerTokenAmount).to.be.bignumber.equal(
+                order.params.takerTokenAmount.minus(fillTakerTokenAmount),
+            );
             const newBalances = await dmyBalances.getAsync();
 
-            expect(newBalances[maker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.makerToken].minus(order.params.makerTokenAmount));
-            expect(newBalances[maker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.takerToken].add(order.params.takerTokenAmount));
-            expect(newBalances[maker][zrx.address])
-                .to.be.bignumber.equal(balances[maker][zrx.address].minus(order.params.makerFee));
-            expect(newBalances[taker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.takerToken].minus(order.params.takerTokenAmount));
-            expect(newBalances[taker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.makerToken].add(order.params.makerTokenAmount));
-            expect(newBalances[taker][zrx.address])
-                .to.be.bignumber.equal(balances[taker][zrx.address].minus(order.params.takerFee));
-            expect(newBalances[feeRecipient][zrx.address])
-                .to.be.bignumber.equal(
-                        balances[feeRecipient][zrx.address].add(order.params.makerFee.add(order.params.takerFee)),
-                );
+            expect(newBalances[maker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.makerToken].minus(order.params.makerTokenAmount),
+            );
+            expect(newBalances[maker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.takerToken].add(order.params.takerTokenAmount),
+            );
+            expect(newBalances[maker][zrx.address]).to.be.bignumber.equal(
+                balances[maker][zrx.address].minus(order.params.makerFee),
+            );
+            expect(newBalances[taker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.takerToken].minus(order.params.takerTokenAmount),
+            );
+            expect(newBalances[taker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.makerToken].add(order.params.makerTokenAmount),
+            );
+            expect(newBalances[taker][zrx.address]).to.be.bignumber.equal(
+                balances[taker][zrx.address].minus(order.params.takerFee),
+            );
+            expect(newBalances[feeRecipient][zrx.address]).to.be.bignumber.equal(
+                balances[feeRecipient][zrx.address].add(order.params.makerFee.add(order.params.takerFee)),
+            );
         });
 
         it('should log 1 event with the correct arguments when order has a feeRecipient', async () => {
             const divisor = 2;
-            const res = await exWrapper.fillOrderAsync(order, taker,
-                                                    {fillTakerTokenAmount: order.params.takerTokenAmount.div(divisor)});
+            const res = await exWrapper.fillOrderAsync(order, taker, {
+                fillTakerTokenAmount: order.params.takerTokenAmount.div(divisor),
+            });
             expect(res.logs).to.have.length(1);
 
             const logArgs = res.logs[0].args;
@@ -391,8 +445,9 @@ contract('Exchange', (accounts: string[]) => {
                 feeRecipient: ZeroEx.NULL_ADDRESS,
             });
             const divisor = 2;
-            const res = await exWrapper.fillOrderAsync(order, taker,
-                                                    {fillTakerTokenAmount: order.params.takerTokenAmount.div(divisor)});
+            const res = await exWrapper.fillOrderAsync(order, taker, {
+                fillTakerTokenAmount: order.params.takerTokenAmount.div(divisor),
+            });
             expect(res.logs).to.have.length(1);
 
             const logArgs = res.logs[0].args;
@@ -455,13 +510,15 @@ contract('Exchange', (accounts: string[]) => {
         it('should throw if fillTakerTokenAmount is 0', async () => {
             order = await orderFactory.newSignedOrderAsync();
 
-            return expect(exWrapper.fillOrderAsync(order, taker, {fillTakerTokenAmount: new BigNumber(0)}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(
+                exWrapper.fillOrderAsync(order, taker, {
+                    fillTakerTokenAmount: new BigNumber(0),
+                }),
+            ).to.be.rejectedWith(constants.REVERT);
         });
 
         it('should not change balances if maker balances are too low to fill order and \
-                shouldThrowOnInsufficientBalanceOrAllowance = false',
-       async () => {
+                shouldThrowOnInsufficientBalanceOrAllowance = false', async () => {
             order = await orderFactory.newSignedOrderAsync({
                 makerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(100000), 18),
             });
@@ -472,19 +529,20 @@ contract('Exchange', (accounts: string[]) => {
         });
 
         it('should throw if maker balances are too low to fill order and \
-                shouldThrowOnInsufficientBalanceOrAllowance = true',
-       async () => {
+                shouldThrowOnInsufficientBalanceOrAllowance = true', async () => {
             order = await orderFactory.newSignedOrderAsync({
                 makerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(100000), 18),
             });
 
-            return expect(exWrapper.fillOrderAsync(order, taker, {shouldThrowOnInsufficientBalanceOrAllowance: true}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(
+                exWrapper.fillOrderAsync(order, taker, {
+                    shouldThrowOnInsufficientBalanceOrAllowance: true,
+                }),
+            ).to.be.rejectedWith(constants.REVERT);
         });
 
         it('should not change balances if taker balances are too low to fill order and \
-                shouldThrowOnInsufficientBalanceOrAllowance = false',
-       async () => {
+                shouldThrowOnInsufficientBalanceOrAllowance = false', async () => {
             order = await orderFactory.newSignedOrderAsync({
                 takerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(100000), 18),
             });
@@ -495,59 +553,70 @@ contract('Exchange', (accounts: string[]) => {
         });
 
         it('should throw if taker balances are too low to fill order and \
-                shouldThrowOnInsufficientBalanceOrAllowance = true',
-       async () => {
+                shouldThrowOnInsufficientBalanceOrAllowance = true', async () => {
             order = await orderFactory.newSignedOrderAsync({
                 takerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(100000), 18),
             });
 
-            return expect(exWrapper.fillOrderAsync(order, taker, {shouldThrowOnInsufficientBalanceOrAllowance: true}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(
+                exWrapper.fillOrderAsync(order, taker, {
+                    shouldThrowOnInsufficientBalanceOrAllowance: true,
+                }),
+            ).to.be.rejectedWith(constants.REVERT);
         });
 
         it('should not change balances if maker allowances are too low to fill order and \
-                shouldThrowOnInsufficientBalanceOrAllowance = false',
-       async () => {
-            await rep.approve(TokenTransferProxy.address, 0, {from: maker});
+                shouldThrowOnInsufficientBalanceOrAllowance = false', async () => {
+            await rep.approve(TokenTransferProxy.address, 0, { from: maker });
             await exWrapper.fillOrderAsync(order, taker);
-            await rep.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {from: maker});
+            await rep.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {
+                from: maker,
+            });
 
             const newBalances = await dmyBalances.getAsync();
             expect(newBalances).to.be.deep.equal(balances);
         });
 
         it('should throw if maker allowances are too low to fill order and \
-                shouldThrowOnInsufficientBalanceOrAllowance = true',
-       async () => {
-            await rep.approve(TokenTransferProxy.address, 0, {from: maker});
-            expect(exWrapper.fillOrderAsync(order, taker, {shouldThrowOnInsufficientBalanceOrAllowance: true}))
-                .to.be.rejectedWith(constants.REVERT);
-            await rep.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {from: maker});
+                shouldThrowOnInsufficientBalanceOrAllowance = true', async () => {
+            await rep.approve(TokenTransferProxy.address, 0, { from: maker });
+            expect(
+                exWrapper.fillOrderAsync(order, taker, {
+                    shouldThrowOnInsufficientBalanceOrAllowance: true,
+                }),
+            ).to.be.rejectedWith(constants.REVERT);
+            await rep.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {
+                from: maker,
+            });
         });
 
         it('should not change balances if taker allowances are too low to fill order and \
-                shouldThrowOnInsufficientBalanceOrAllowance = false',
-       async () => {
-            await dgd.approve(TokenTransferProxy.address, 0, {from: taker});
+                shouldThrowOnInsufficientBalanceOrAllowance = false', async () => {
+            await dgd.approve(TokenTransferProxy.address, 0, { from: taker });
             await exWrapper.fillOrderAsync(order, taker);
-            await dgd.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {from: taker});
+            await dgd.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {
+                from: taker,
+            });
 
             const newBalances = await dmyBalances.getAsync();
             expect(newBalances).to.be.deep.equal(balances);
         });
 
         it('should throw if taker allowances are too low to fill order and \
-                shouldThrowOnInsufficientBalanceOrAllowance = true',
-       async () => {
-            await dgd.approve(TokenTransferProxy.address, 0, {from: taker});
-            expect(exWrapper.fillOrderAsync(order, taker, {shouldThrowOnInsufficientBalanceOrAllowance: true}))
-                .to.be.rejectedWith(constants.REVERT);
-            await dgd.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {from: taker});
+                shouldThrowOnInsufficientBalanceOrAllowance = true', async () => {
+            await dgd.approve(TokenTransferProxy.address, 0, { from: taker });
+            expect(
+                exWrapper.fillOrderAsync(order, taker, {
+                    shouldThrowOnInsufficientBalanceOrAllowance: true,
+                }),
+            ).to.be.rejectedWith(constants.REVERT);
+            await dgd.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {
+                from: taker,
+            });
         });
 
         it('should not change balances if makerToken is ZRX, makerTokenAmount + makerFee > maker balance, \
-                and shouldThrowOnInsufficientBalanceOrAllowance = false',
-       async () => {
+                and shouldThrowOnInsufficientBalanceOrAllowance = false', async () => {
             const makerZRXBalance = new BigNumber(balances[maker][zrx.address]);
             order = await orderFactory.newSignedOrderAsync({
                 makerToken: zrx.address,
@@ -560,8 +629,7 @@ contract('Exchange', (accounts: string[]) => {
         });
 
         it('should not change balances if makerToken is ZRX, makerTokenAmount + makerFee > maker allowance, \
-                and shouldThrowOnInsufficientBalanceOrAllowance = false',
-       async () => {
+                and shouldThrowOnInsufficientBalanceOrAllowance = false', async () => {
             const makerZRXAllowance = await zrx.allowance(maker, TokenTransferProxy.address);
             order = await orderFactory.newSignedOrderAsync({
                 makerToken: zrx.address,
@@ -574,8 +642,7 @@ contract('Exchange', (accounts: string[]) => {
         });
 
         it('should not change balances if takerToken is ZRX, takerTokenAmount + takerFee > taker balance, \
-                and shouldThrowOnInsufficientBalanceOrAllowance = false',
-       async () => {
+                and shouldThrowOnInsufficientBalanceOrAllowance = false', async () => {
             const takerZRXBalance = new BigNumber(balances[taker][zrx.address]);
             order = await orderFactory.newSignedOrderAsync({
                 takerToken: zrx.address,
@@ -588,8 +655,7 @@ contract('Exchange', (accounts: string[]) => {
         });
 
         it('should not change balances if takerToken is ZRX, takerTokenAmount + takerFee > taker allowance, \
-                and shouldThrowOnInsufficientBalanceOrAllowance = false',
-       async () => {
+                and shouldThrowOnInsufficientBalanceOrAllowance = false', async () => {
             const takerZRXAllowance = await zrx.allowance(taker, TokenTransferProxy.address);
             order = await orderFactory.newSignedOrderAsync({
                 takerToken: zrx.address,
@@ -604,14 +670,17 @@ contract('Exchange', (accounts: string[]) => {
         it('should throw if getBalance or getAllowance attempts to change state and \
                 shouldThrowOnInsufficientBalanceOrAllowance = false', async () => {
             const maliciousToken = await MaliciousToken.new();
-            await maliciousToken.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, {from: taker});
+            await maliciousToken.approve(TokenTransferProxy.address, INITIAL_ALLOWANCE, { from: taker });
 
             order = await orderFactory.newSignedOrderAsync({
                 takerToken: maliciousToken.address,
             });
 
-            return expect(exWrapper.fillOrderAsync(order, taker, {shouldThrowOnInsufficientBalanceOrAllowance: false}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(
+                exWrapper.fillOrderAsync(order, taker, {
+                    shouldThrowOnInsufficientBalanceOrAllowance: false,
+                }),
+            ).to.be.rejectedWith(constants.REVERT);
         });
 
         it('should not change balances if an order is expired', async () => {
@@ -674,13 +743,18 @@ contract('Exchange', (accounts: string[]) => {
         it('should throw if cancelTakerTokenAmount is 0', async () => {
             order = await orderFactory.newSignedOrderAsync();
 
-            return expect(exWrapper.cancelOrderAsync(order, maker, {cancelTakerTokenAmount: new BigNumber(0)}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(
+                exWrapper.cancelOrderAsync(order, maker, {
+                    cancelTakerTokenAmount: new BigNumber(0),
+                }),
+            ).to.be.rejectedWith(constants.REVERT);
         });
 
         it('should be able to cancel a full order', async () => {
             await exWrapper.cancelOrderAsync(order, maker);
-            await exWrapper.fillOrderAsync(order, taker, {fillTakerTokenAmount: order.params.takerTokenAmount.div(2)});
+            await exWrapper.fillOrderAsync(order, taker, {
+                fillTakerTokenAmount: order.params.takerTokenAmount.div(2),
+            });
 
             const newBalances = await dmyBalances.getAsync();
             expect(newBalances).to.be.deep.equal(balances);
@@ -688,43 +762,55 @@ contract('Exchange', (accounts: string[]) => {
 
         it('should be able to cancel part of an order', async () => {
             const cancelTakerTokenAmount = order.params.takerTokenAmount.div(2);
-            await exWrapper.cancelOrderAsync(order, maker, {cancelTakerTokenAmount});
+            await exWrapper.cancelOrderAsync(order, maker, {
+                cancelTakerTokenAmount,
+            });
 
-            const res = await exWrapper.fillOrderAsync(order, taker,
-                                                      {fillTakerTokenAmount: order.params.takerTokenAmount});
-            expect(res.logs[0].args.filledTakerTokenAmount)
-                .to.be.bignumber.equal(order.params.takerTokenAmount.minus(cancelTakerTokenAmount));
+            const res = await exWrapper.fillOrderAsync(order, taker, {
+                fillTakerTokenAmount: order.params.takerTokenAmount,
+            });
+            expect(res.logs[0].args.filledTakerTokenAmount).to.be.bignumber.equal(
+                order.params.takerTokenAmount.minus(cancelTakerTokenAmount),
+            );
 
             const newBalances = await dmyBalances.getAsync();
             const cancelMakerTokenAmount = cancelTakerTokenAmount
-                                     .times(order.params.makerTokenAmount)
-                                     .dividedToIntegerBy(order.params.takerTokenAmount);
+                .times(order.params.makerTokenAmount)
+                .dividedToIntegerBy(order.params.takerTokenAmount);
             const paidMakerFee = order.params.makerFee
-                           .times(cancelMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
+                .times(cancelMakerTokenAmount)
+                .dividedToIntegerBy(order.params.makerTokenAmount);
             const paidTakerFee = order.params.takerFee
-                           .times(cancelMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
-            expect(newBalances[maker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.makerToken].minus(cancelMakerTokenAmount));
-            expect(newBalances[maker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.takerToken].add(cancelTakerTokenAmount));
-            expect(newBalances[maker][zrx.address])
-                .to.be.bignumber.equal(balances[maker][zrx.address].minus(paidMakerFee));
-            expect(newBalances[taker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.takerToken].minus(cancelTakerTokenAmount));
-            expect(newBalances[taker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.makerToken].add(cancelMakerTokenAmount));
-            expect(newBalances[taker][zrx.address]).to.be.bignumber
-                .equal(balances[taker][zrx.address].minus(paidTakerFee));
-            expect(newBalances[feeRecipient][zrx.address])
-                .to.be.bignumber.equal(balances[feeRecipient][zrx.address].add(paidMakerFee.add(paidTakerFee)));
+                .times(cancelMakerTokenAmount)
+                .dividedToIntegerBy(order.params.makerTokenAmount);
+            expect(newBalances[maker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.makerToken].minus(cancelMakerTokenAmount),
+            );
+            expect(newBalances[maker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.takerToken].add(cancelTakerTokenAmount),
+            );
+            expect(newBalances[maker][zrx.address]).to.be.bignumber.equal(
+                balances[maker][zrx.address].minus(paidMakerFee),
+            );
+            expect(newBalances[taker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.takerToken].minus(cancelTakerTokenAmount),
+            );
+            expect(newBalances[taker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.makerToken].add(cancelMakerTokenAmount),
+            );
+            expect(newBalances[taker][zrx.address]).to.be.bignumber.equal(
+                balances[taker][zrx.address].minus(paidTakerFee),
+            );
+            expect(newBalances[feeRecipient][zrx.address]).to.be.bignumber.equal(
+                balances[feeRecipient][zrx.address].add(paidMakerFee.add(paidTakerFee)),
+            );
         });
 
         it('should log 1 event with correct arguments', async () => {
             const divisor = 2;
-            const res = await exWrapper.cancelOrderAsync(order, maker,
-                                                  {cancelTakerTokenAmount: order.params.takerTokenAmount.div(divisor)});
+            const res = await exWrapper.cancelOrderAsync(order, maker, {
+                cancelTakerTokenAmount: order.params.takerTokenAmount.div(divisor),
+            });
             expect(res.logs).to.have.length(1);
 
             const logArgs = res.logs[0].args;
diff --git a/packages/contracts/test/ts/exchange/helpers.ts b/packages/contracts/test/ts/exchange/helpers.ts
index a39f4d9e2..5c5b656b5 100644
--- a/packages/contracts/test/ts/exchange/helpers.ts
+++ b/packages/contracts/test/ts/exchange/helpers.ts
@@ -1,21 +1,18 @@
-import {ZeroEx} from '0x.js';
-import {BigNumber} from 'bignumber.js';
+import { ZeroEx } from '0x.js';
+import { BigNumber } from 'bignumber.js';
 import * as chai from 'chai';
 import ethUtil = require('ethereumjs-util');
 
-import {Artifacts} from '../../../util/artifacts';
-import {ExchangeWrapper} from '../../../util/exchange_wrapper';
-import {Order} from '../../../util/order';
-import {OrderFactory} from '../../../util/order_factory';
-import {chaiSetup} from '../utils/chai_setup';
+import { Artifacts } from '../../../util/artifacts';
+import { ExchangeWrapper } from '../../../util/exchange_wrapper';
+import { Order } from '../../../util/order';
+import { OrderFactory } from '../../../util/order_factory';
+import { chaiSetup } from '../utils/chai_setup';
 
 chaiSetup.configure();
 const expect = chai.expect;
 
-const {
-    Exchange,
-    TokenRegistry,
-} = new Artifacts(artifacts);
+const { Exchange, TokenRegistry } = new Artifacts(artifacts);
 
 contract('Exchange', (accounts: string[]) => {
     const maker = accounts[0];
@@ -26,10 +23,7 @@ contract('Exchange', (accounts: string[]) => {
     let orderFactory: OrderFactory;
 
     before(async () => {
-        const [tokenRegistry, exchange] = await Promise.all([
-            TokenRegistry.deployed(),
-            Exchange.deployed(),
-        ]);
+        const [tokenRegistry, exchange] = await Promise.all([TokenRegistry.deployed(), Exchange.deployed()]);
         exchangeWrapper = new ExchangeWrapper(exchange);
         const [repAddress, dgdAddress] = await Promise.all([
             tokenRegistry.getTokenAddressBySymbol('REP'),
diff --git a/packages/contracts/test/ts/exchange/wrapper.ts b/packages/contracts/test/ts/exchange/wrapper.ts
index 13a0b6058..77cd03388 100644
--- a/packages/contracts/test/ts/exchange/wrapper.ts
+++ b/packages/contracts/test/ts/exchange/wrapper.ts
@@ -1,25 +1,20 @@
-import {ZeroEx} from '0x.js';
-import {BigNumber} from 'bignumber.js';
+import { ZeroEx } from '0x.js';
+import { BigNumber } from 'bignumber.js';
 import * as chai from 'chai';
 import * as _ from 'lodash';
 
-import {Artifacts} from '../../../util/artifacts';
-import {Balances} from '../../../util/balances';
-import {constants} from '../../../util/constants';
-import {ExchangeWrapper} from '../../../util/exchange_wrapper';
-import {Order} from '../../../util/order';
-import {OrderFactory} from '../../../util/order_factory';
-import {BalancesByOwner, ContractInstance} from '../../../util/types';
-import {chaiSetup} from '../utils/chai_setup';
+import { Artifacts } from '../../../util/artifacts';
+import { Balances } from '../../../util/balances';
+import { constants } from '../../../util/constants';
+import { ExchangeWrapper } from '../../../util/exchange_wrapper';
+import { Order } from '../../../util/order';
+import { OrderFactory } from '../../../util/order_factory';
+import { BalancesByOwner, ContractInstance } from '../../../util/types';
+import { chaiSetup } from '../utils/chai_setup';
 
 chaiSetup.configure();
 const expect = chai.expect;
-const {
-    Exchange,
-    TokenTransferProxy,
-    DummyToken,
-    TokenRegistry,
-} = new Artifacts(artifacts);
+const { Exchange, TokenTransferProxy, DummyToken, TokenRegistry } = new Artifacts(artifacts);
 
 contract('Exchange', (accounts: string[]) => {
     const maker = accounts[0];
@@ -43,10 +38,7 @@ contract('Exchange', (accounts: string[]) => {
     let orderFactory: OrderFactory;
 
     before(async () => {
-        [tokenRegistry, exchange] = await Promise.all([
-            TokenRegistry.deployed(),
-            Exchange.deployed(),
-        ]);
+        [tokenRegistry, exchange] = await Promise.all([TokenRegistry.deployed(), Exchange.deployed()]);
         exWrapper = new ExchangeWrapper(exchange);
         const [repAddress, dgdAddress, zrxAddress] = await Promise.all([
             tokenRegistry.getTokenAddressBySymbol('REP'),
@@ -74,18 +66,18 @@ contract('Exchange', (accounts: string[]) => {
         ]);
         dmyBalances = new Balances([rep, dgd, zrx], [maker, taker, feeRecipient]);
         await Promise.all([
-            rep.approve(TokenTransferProxy.address, INIT_ALLOW, {from: maker}),
-            rep.approve(TokenTransferProxy.address, INIT_ALLOW, {from: taker}),
-            rep.setBalance(maker, INIT_BAL, {from: tokenOwner}),
-            rep.setBalance(taker, INIT_BAL, {from: tokenOwner}),
-            dgd.approve(TokenTransferProxy.address, INIT_ALLOW, {from: maker}),
-            dgd.approve(TokenTransferProxy.address, INIT_ALLOW, {from: taker}),
-            dgd.setBalance(maker, INIT_BAL, {from: tokenOwner}),
-            dgd.setBalance(taker, INIT_BAL, {from: tokenOwner}),
-            zrx.approve(TokenTransferProxy.address, INIT_ALLOW, {from: maker}),
-            zrx.approve(TokenTransferProxy.address, INIT_ALLOW, {from: taker}),
-            zrx.setBalance(maker, INIT_BAL, {from: tokenOwner}),
-            zrx.setBalance(taker, INIT_BAL, {from: tokenOwner}),
+            rep.approve(TokenTransferProxy.address, INIT_ALLOW, { from: maker }),
+            rep.approve(TokenTransferProxy.address, INIT_ALLOW, { from: taker }),
+            rep.setBalance(maker, INIT_BAL, { from: tokenOwner }),
+            rep.setBalance(taker, INIT_BAL, { from: tokenOwner }),
+            dgd.approve(TokenTransferProxy.address, INIT_ALLOW, { from: maker }),
+            dgd.approve(TokenTransferProxy.address, INIT_ALLOW, { from: taker }),
+            dgd.setBalance(maker, INIT_BAL, { from: tokenOwner }),
+            dgd.setBalance(taker, INIT_BAL, { from: tokenOwner }),
+            zrx.approve(TokenTransferProxy.address, INIT_ALLOW, { from: maker }),
+            zrx.approve(TokenTransferProxy.address, INIT_ALLOW, { from: taker }),
+            zrx.setBalance(maker, INIT_BAL, { from: tokenOwner }),
+            zrx.setBalance(taker, INIT_BAL, { from: tokenOwner }),
         ]);
     });
 
@@ -100,31 +92,38 @@ contract('Exchange', (accounts: string[]) => {
                 takerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(200), 18),
             });
             const fillTakerTokenAmount = order.params.takerTokenAmount.div(2);
-            await exWrapper.fillOrKillOrderAsync(order, taker, {fillTakerTokenAmount});
+            await exWrapper.fillOrKillOrderAsync(order, taker, {
+                fillTakerTokenAmount,
+            });
 
             const newBalances = await dmyBalances.getAsync();
 
             const fillMakerTokenAmount = fillTakerTokenAmount
-                                   .times(order.params.makerTokenAmount)
-                                   .dividedToIntegerBy(order.params.takerTokenAmount);
+                .times(order.params.makerTokenAmount)
+                .dividedToIntegerBy(order.params.takerTokenAmount);
             const makerFee = order.params.makerFee
-                       .times(fillMakerTokenAmount)
-                       .dividedToIntegerBy(order.params.makerTokenAmount);
+                .times(fillMakerTokenAmount)
+                .dividedToIntegerBy(order.params.makerTokenAmount);
             const takerFee = order.params.takerFee
-                       .times(fillMakerTokenAmount)
-                       .dividedToIntegerBy(order.params.makerTokenAmount);
-            expect(newBalances[maker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.makerToken].minus(fillMakerTokenAmount));
-            expect(newBalances[maker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[maker][order.params.takerToken].add(fillTakerTokenAmount));
+                .times(fillMakerTokenAmount)
+                .dividedToIntegerBy(order.params.makerTokenAmount);
+            expect(newBalances[maker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.makerToken].minus(fillMakerTokenAmount),
+            );
+            expect(newBalances[maker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[maker][order.params.takerToken].add(fillTakerTokenAmount),
+            );
             expect(newBalances[maker][zrx.address]).to.be.bignumber.equal(balances[maker][zrx.address].minus(makerFee));
-            expect(newBalances[taker][order.params.takerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.takerToken].minus(fillTakerTokenAmount));
-            expect(newBalances[taker][order.params.makerToken])
-                .to.be.bignumber.equal(balances[taker][order.params.makerToken].add(fillMakerTokenAmount));
+            expect(newBalances[taker][order.params.takerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.takerToken].minus(fillTakerTokenAmount),
+            );
+            expect(newBalances[taker][order.params.makerToken]).to.be.bignumber.equal(
+                balances[taker][order.params.makerToken].add(fillMakerTokenAmount),
+            );
             expect(newBalances[taker][zrx.address]).to.be.bignumber.equal(balances[taker][zrx.address].minus(takerFee));
-            expect(newBalances[feeRecipient][zrx.address])
-                .to.be.bignumber.equal(balances[feeRecipient][zrx.address].add(makerFee.add(takerFee)));
+            expect(newBalances[feeRecipient][zrx.address]).to.be.bignumber.equal(
+                balances[feeRecipient][zrx.address].add(makerFee.add(takerFee)),
+            );
         });
 
         it('should throw if an order is expired', async () => {
@@ -132,18 +131,18 @@ contract('Exchange', (accounts: string[]) => {
                 expirationTimestampInSec: new BigNumber(Math.floor((Date.now() - 10000) / 1000)),
             });
 
-            return expect(exWrapper.fillOrKillOrderAsync(order, taker))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(exWrapper.fillOrKillOrderAsync(order, taker)).to.be.rejectedWith(constants.REVERT);
         });
 
         it('should throw if entire fillTakerTokenAmount not filled', async () => {
             const order = await orderFactory.newSignedOrderAsync();
 
             const from = taker;
-            await exWrapper.fillOrderAsync(order, from, {fillTakerTokenAmount: order.params.takerTokenAmount.div(2)});
+            await exWrapper.fillOrderAsync(order, from, {
+                fillTakerTokenAmount: order.params.takerTokenAmount.div(2),
+            });
 
-            return expect(exWrapper.fillOrKillOrderAsync(order, taker))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(exWrapper.fillOrKillOrderAsync(order, taker)).to.be.rejectedWith(constants.REVERT);
         });
     });
 
@@ -166,14 +165,14 @@ contract('Exchange', (accounts: string[]) => {
                 orders.forEach(order => {
                     const fillTakerTokenAmount = order.params.takerTokenAmount.div(2);
                     const fillMakerTokenAmount = fillTakerTokenAmount
-                                       .times(order.params.makerTokenAmount)
-                                       .dividedToIntegerBy(order.params.takerTokenAmount);
+                        .times(order.params.makerTokenAmount)
+                        .dividedToIntegerBy(order.params.takerTokenAmount);
                     const makerFee = order.params.makerFee
-                           .times(fillMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
+                        .times(fillMakerTokenAmount)
+                        .dividedToIntegerBy(order.params.makerTokenAmount);
                     const takerFee = order.params.takerFee
-                           .times(fillMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
+                        .times(fillMakerTokenAmount)
+                        .dividedToIntegerBy(order.params.makerTokenAmount);
                     fillTakerTokenAmounts.push(fillTakerTokenAmount);
                     balances[maker][makerToken] = balances[maker][makerToken].minus(fillMakerTokenAmount);
                     balances[maker][takerToken] = balances[maker][takerToken].add(fillTakerTokenAmount);
@@ -181,11 +180,14 @@ contract('Exchange', (accounts: string[]) => {
                     balances[taker][makerToken] = balances[taker][makerToken].add(fillMakerTokenAmount);
                     balances[taker][takerToken] = balances[taker][takerToken].minus(fillTakerTokenAmount);
                     balances[taker][zrx.address] = balances[taker][zrx.address].minus(takerFee);
-                    balances[feeRecipient][zrx.address] =
-                        balances[feeRecipient][zrx.address].add(makerFee.add(takerFee));
+                    balances[feeRecipient][zrx.address] = balances[feeRecipient][zrx.address].add(
+                        makerFee.add(takerFee),
+                    );
                 });
 
-                await exWrapper.batchFillOrdersAsync(orders, taker, {fillTakerTokenAmounts});
+                await exWrapper.batchFillOrdersAsync(orders, taker, {
+                    fillTakerTokenAmounts,
+                });
 
                 const newBalances = await dmyBalances.getAsync();
                 expect(newBalances).to.be.deep.equal(balances);
@@ -200,14 +202,14 @@ contract('Exchange', (accounts: string[]) => {
                 orders.forEach(order => {
                     const fillTakerTokenAmount = order.params.takerTokenAmount.div(2);
                     const fillMakerTokenAmount = fillTakerTokenAmount
-                                       .times(order.params.makerTokenAmount)
-                                       .dividedToIntegerBy(order.params.takerTokenAmount);
+                        .times(order.params.makerTokenAmount)
+                        .dividedToIntegerBy(order.params.takerTokenAmount);
                     const makerFee = order.params.makerFee
-                           .times(fillMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
+                        .times(fillMakerTokenAmount)
+                        .dividedToIntegerBy(order.params.makerTokenAmount);
                     const takerFee = order.params.takerFee
-                           .times(fillMakerTokenAmount)
-                           .dividedToIntegerBy(order.params.makerTokenAmount);
+                        .times(fillMakerTokenAmount)
+                        .dividedToIntegerBy(order.params.makerTokenAmount);
                     fillTakerTokenAmounts.push(fillTakerTokenAmount);
                     balances[maker][makerToken] = balances[maker][makerToken].minus(fillMakerTokenAmount);
                     balances[maker][takerToken] = balances[maker][takerToken].add(fillTakerTokenAmount);
@@ -215,11 +217,14 @@ contract('Exchange', (accounts: string[]) => {
                     balances[taker][makerToken] = balances[taker][makerToken].add(fillMakerTokenAmount);
                     balances[taker][takerToken] = balances[taker][takerToken].minus(fillTakerTokenAmount);
                     balances[taker][zrx.address] = balances[taker][zrx.address].minus(takerFee);
-                    balances[feeRecipient][zrx.address] =
-                        balances[feeRecipient][zrx.address].add(makerFee.add(takerFee));
+                    balances[feeRecipient][zrx.address] = balances[feeRecipient][zrx.address].add(
+                        makerFee.add(takerFee),
+                    );
                 });
 
-                await exWrapper.batchFillOrKillOrdersAsync(orders, taker, {fillTakerTokenAmounts});
+                await exWrapper.batchFillOrKillOrdersAsync(orders, taker, {
+                    fillTakerTokenAmounts,
+                });
 
                 const newBalances = await dmyBalances.getAsync();
                 expect(newBalances).to.be.deep.equal(balances);
@@ -234,57 +239,77 @@ contract('Exchange', (accounts: string[]) => {
 
                 await exWrapper.fillOrKillOrderAsync(orders[0], taker);
 
-                return expect(exWrapper.batchFillOrKillOrdersAsync(orders, taker, {fillTakerTokenAmounts}))
-                        .to.be.rejectedWith(constants.REVERT);
+                return expect(
+                    exWrapper.batchFillOrKillOrdersAsync(orders, taker, {
+                        fillTakerTokenAmounts,
+                    }),
+                ).to.be.rejectedWith(constants.REVERT);
             });
         });
 
         describe('fillOrdersUpTo', () => {
             it('should stop when the entire fillTakerTokenAmount is filled', async () => {
-                const fillTakerTokenAmount =
-                    orders[0].params.takerTokenAmount.plus(orders[1].params.takerTokenAmount.div(2));
-                await exWrapper.fillOrdersUpToAsync(orders, taker, {fillTakerTokenAmount});
+                const fillTakerTokenAmount = orders[0].params.takerTokenAmount.plus(
+                    orders[1].params.takerTokenAmount.div(2),
+                );
+                await exWrapper.fillOrdersUpToAsync(orders, taker, {
+                    fillTakerTokenAmount,
+                });
 
                 const newBalances = await dmyBalances.getAsync();
 
                 const fillMakerTokenAmount = orders[0].params.makerTokenAmount.add(
-                        orders[1].params.makerTokenAmount.dividedToIntegerBy(2));
+                    orders[1].params.makerTokenAmount.dividedToIntegerBy(2),
+                );
                 const makerFee = orders[0].params.makerFee.add(orders[1].params.makerFee.dividedToIntegerBy(2));
                 const takerFee = orders[0].params.takerFee.add(orders[1].params.takerFee.dividedToIntegerBy(2));
-                expect(newBalances[maker][orders[0].params.makerToken])
-                    .to.be.bignumber.equal(balances[maker][orders[0].params.makerToken].minus(fillMakerTokenAmount));
-                expect(newBalances[maker][orders[0].params.takerToken])
-                    .to.be.bignumber.equal(balances[maker][orders[0].params.takerToken].add(fillTakerTokenAmount));
-                expect(newBalances[maker][zrx.address]).to.be.bignumber
-                    .equal(balances[maker][zrx.address].minus(makerFee));
-                expect(newBalances[taker][orders[0].params.takerToken])
-                    .to.be.bignumber.equal(balances[taker][orders[0].params.takerToken].minus(fillTakerTokenAmount));
-                expect(newBalances[taker][orders[0].params.makerToken])
-                    .to.be.bignumber.equal(balances[taker][orders[0].params.makerToken].add(fillMakerTokenAmount));
-                expect(newBalances[taker][zrx.address]).to.be.bignumber
-                    .equal(balances[taker][zrx.address].minus(takerFee));
-                expect(newBalances[feeRecipient][zrx.address])
-                    .to.be.bignumber.equal(balances[feeRecipient][zrx.address].add(makerFee.add(takerFee)));
+                expect(newBalances[maker][orders[0].params.makerToken]).to.be.bignumber.equal(
+                    balances[maker][orders[0].params.makerToken].minus(fillMakerTokenAmount),
+                );
+                expect(newBalances[maker][orders[0].params.takerToken]).to.be.bignumber.equal(
+                    balances[maker][orders[0].params.takerToken].add(fillTakerTokenAmount),
+                );
+                expect(newBalances[maker][zrx.address]).to.be.bignumber.equal(
+                    balances[maker][zrx.address].minus(makerFee),
+                );
+                expect(newBalances[taker][orders[0].params.takerToken]).to.be.bignumber.equal(
+                    balances[taker][orders[0].params.takerToken].minus(fillTakerTokenAmount),
+                );
+                expect(newBalances[taker][orders[0].params.makerToken]).to.be.bignumber.equal(
+                    balances[taker][orders[0].params.makerToken].add(fillMakerTokenAmount),
+                );
+                expect(newBalances[taker][zrx.address]).to.be.bignumber.equal(
+                    balances[taker][zrx.address].minus(takerFee),
+                );
+                expect(newBalances[feeRecipient][zrx.address]).to.be.bignumber.equal(
+                    balances[feeRecipient][zrx.address].add(makerFee.add(takerFee)),
+                );
             });
 
             it('should fill all orders if cannot fill entire fillTakerTokenAmount', async () => {
                 const fillTakerTokenAmount = ZeroEx.toBaseUnitAmount(new BigNumber(100000), 18);
                 orders.forEach(order => {
-                    balances[maker][order.params.makerToken] = balances[maker][order.params.makerToken]
-                                                     .minus(order.params.makerTokenAmount);
-                    balances[maker][order.params.takerToken] = balances[maker][order.params.takerToken]
-                                                     .add(order.params.takerTokenAmount);
-                    balances[maker][zrx.address] = balances[maker][zrx.address]
-                                         .minus(order.params.makerFee);
-                    balances[taker][order.params.makerToken] = balances[taker][order.params.makerToken]
-                                                     .add(order.params.makerTokenAmount);
-                    balances[taker][order.params.takerToken] = balances[taker][order.params.takerToken]
-                                                     .minus(order.params.takerTokenAmount);
+                    balances[maker][order.params.makerToken] = balances[maker][order.params.makerToken].minus(
+                        order.params.makerTokenAmount,
+                    );
+                    balances[maker][order.params.takerToken] = balances[maker][order.params.takerToken].add(
+                        order.params.takerTokenAmount,
+                    );
+                    balances[maker][zrx.address] = balances[maker][zrx.address].minus(order.params.makerFee);
+                    balances[taker][order.params.makerToken] = balances[taker][order.params.makerToken].add(
+                        order.params.makerTokenAmount,
+                    );
+                    balances[taker][order.params.takerToken] = balances[taker][order.params.takerToken].minus(
+                        order.params.takerTokenAmount,
+                    );
                     balances[taker][zrx.address] = balances[taker][zrx.address].minus(order.params.takerFee);
-                    balances[feeRecipient][zrx.address] =
-                        balances[feeRecipient][zrx.address].add(order.params.makerFee.add(order.params.takerFee));
+                    balances[feeRecipient][zrx.address] = balances[feeRecipient][zrx.address].add(
+                        order.params.makerFee.add(order.params.takerFee),
+                    );
+                });
+                await exWrapper.fillOrdersUpToAsync(orders, taker, {
+                    fillTakerTokenAmount,
                 });
-                await exWrapper.fillOrdersUpToAsync(orders, taker, {fillTakerTokenAmount});
 
                 const newBalances = await dmyBalances.getAsync();
                 expect(newBalances).to.be.deep.equal(balances);
@@ -293,13 +318,14 @@ contract('Exchange', (accounts: string[]) => {
             it('should throw when an order does not use the same takerToken', async () => {
                 orders = await Promise.all([
                     orderFactory.newSignedOrderAsync(),
-                    orderFactory.newSignedOrderAsync({takerToken: zrx.address}),
+                    orderFactory.newSignedOrderAsync({ takerToken: zrx.address }),
                     orderFactory.newSignedOrderAsync(),
                 ]);
 
                 return expect(
-                        exWrapper.fillOrdersUpToAsync(
-                            orders, taker, {fillTakerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(1000), 18)}),
+                    exWrapper.fillOrdersUpToAsync(orders, taker, {
+                        fillTakerTokenAmount: ZeroEx.toBaseUnitAmount(new BigNumber(1000), 18),
+                    }),
                 ).to.be.rejectedWith(constants.REVERT);
             });
         });
@@ -307,10 +333,13 @@ contract('Exchange', (accounts: string[]) => {
         describe('batchCancelOrders', () => {
             it('should be able to cancel multiple orders', async () => {
                 const cancelTakerTokenAmounts = _.map(orders, order => order.params.takerTokenAmount);
-                await exWrapper.batchCancelOrdersAsync(orders, maker, {cancelTakerTokenAmounts});
+                await exWrapper.batchCancelOrdersAsync(orders, maker, {
+                    cancelTakerTokenAmounts,
+                });
 
-                await exWrapper.batchFillOrdersAsync(
-                        orders, taker, {fillTakerTokenAmounts: cancelTakerTokenAmounts});
+                await exWrapper.batchFillOrdersAsync(orders, taker, {
+                    fillTakerTokenAmounts: cancelTakerTokenAmounts,
+                });
                 const newBalances = await dmyBalances.getAsync();
                 expect(balances).to.be.deep.equal(newBalances);
             });
diff --git a/packages/contracts/test/ts/multi_sig_with_time_lock.ts b/packages/contracts/test/ts/multi_sig_with_time_lock.ts
index d92c5967f..19f9390d8 100644
--- a/packages/contracts/test/ts/multi_sig_with_time_lock.ts
+++ b/packages/contracts/test/ts/multi_sig_with_time_lock.ts
@@ -1,19 +1,19 @@
-import {RPC} from '@0xproject/dev-utils';
-import {promisify} from '@0xproject/utils';
-import {BigNumber} from 'bignumber.js';
+import { RPC } from '@0xproject/dev-utils';
+import { promisify } from '@0xproject/utils';
+import { BigNumber } from 'bignumber.js';
 import * as chai from 'chai';
 import Web3 = require('web3');
 
 import * as multiSigWalletJSON from '../../build/contracts/MultiSigWalletWithTimeLock.json';
 import * as truffleConf from '../../truffle.js';
-import {Artifacts} from '../../util/artifacts';
-import {constants} from '../../util/constants';
-import {MultiSigWrapper} from '../../util/multi_sig_wrapper';
-import {ContractInstance} from '../../util/types';
+import { Artifacts } from '../../util/artifacts';
+import { constants } from '../../util/constants';
+import { MultiSigWrapper } from '../../util/multi_sig_wrapper';
+import { ContractInstance } from '../../util/types';
 
-import {chaiSetup} from './utils/chai_setup';
+import { chaiSetup } from './utils/chai_setup';
 
-const {MultiSigWalletWithTimeLock} = new Artifacts(artifacts);
+const { MultiSigWalletWithTimeLock } = new Artifacts(artifacts);
 
 const MULTI_SIG_ABI = (multiSigWalletJSON as any).abi;
 chaiSetup.configure();
@@ -45,8 +45,9 @@ contract('MultiSigWalletWithTimeLock', (accounts: string[]) => {
 
     describe('changeTimeLock', () => {
         it('should throw when not called by wallet', async () => {
-            return expect(multiSig.changeTimeLock(SECONDS_TIME_LOCKED, {from: owners[0]}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(multiSig.changeTimeLock(SECONDS_TIME_LOCKED, { from: owners[0] })).to.be.rejectedWith(
+                constants.REVERT,
+            );
         });
 
         it('should throw without enough confirmations', async () => {
@@ -64,7 +65,7 @@ contract('MultiSigWalletWithTimeLock', (accounts: string[]) => {
         });
 
         it('should set confirmation time with enough confirmations', async () => {
-            const res = await multiSig.confirmTransaction(txId, {from: owners[1]});
+            const res = await multiSig.confirmTransaction(txId, { from: owners[1] });
             expect(res.logs).to.have.length(2);
             const blockNum = await promisify<number>(web3.eth.getBlockNumber)();
             const blockInfo = await promisify<Web3.BlockWithoutTransactionData>(web3.eth.getBlock)(blockNum);
@@ -96,7 +97,9 @@ contract('MultiSigWalletWithTimeLock', (accounts: string[]) => {
             const subRes = await multiSigWrapper.submitTransactionAsync(destination, from, dataParams);
 
             txId = subRes.logs[0].args.transactionId.toNumber();
-            const confRes = await multiSig.confirmTransaction(txId, {from: owners[1]});
+            const confRes = await multiSig.confirmTransaction(txId, {
+                from: owners[1],
+            });
             expect(confRes.logs).to.have.length(2);
 
             return expect(multiSig.executeTransaction(txId)).to.be.rejectedWith(constants.REVERT);
diff --git a/packages/contracts/test/ts/multi_sig_with_time_lock_except_remove_auth_addr.ts b/packages/contracts/test/ts/multi_sig_with_time_lock_except_remove_auth_addr.ts
index 6f7aaa6cd..62aa625fe 100644
--- a/packages/contracts/test/ts/multi_sig_with_time_lock_except_remove_auth_addr.ts
+++ b/packages/contracts/test/ts/multi_sig_with_time_lock_except_remove_auth_addr.ts
@@ -1,14 +1,14 @@
 import * as chai from 'chai';
 
 import * as tokenTransferProxyJSON from '../../build/contracts/TokenTransferProxy.json';
-import {Artifacts} from '../../util/artifacts';
-import {constants} from '../../util/constants';
-import {crypto} from '../../util/crypto';
-import {MultiSigWrapper} from '../../util/multi_sig_wrapper';
-import {ContractInstance, TransactionDataParams} from '../../util/types';
-
-import {chaiSetup} from './utils/chai_setup';
-const {TokenTransferProxy, MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress} = new Artifacts(artifacts);
+import { Artifacts } from '../../util/artifacts';
+import { constants } from '../../util/constants';
+import { crypto } from '../../util/crypto';
+import { MultiSigWrapper } from '../../util/multi_sig_wrapper';
+import { ContractInstance, TransactionDataParams } from '../../util/types';
+
+import { chaiSetup } from './utils/chai_setup';
+const { TokenTransferProxy, MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress } = new Artifacts(artifacts);
 const PROXY_ABI = (tokenTransferProxyJSON as any).abi;
 
 chaiSetup.configure();
@@ -20,8 +20,14 @@ contract('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', (accounts: s
     const SECONDS_TIME_LOCKED = 1000000;
 
     // initialize fake addresses
-    const authorizedAddress = `0x${crypto.solSHA3([accounts[0]]).slice(0, 20).toString('hex')}`;
-    const unauthorizedAddress = `0x${crypto.solSHA3([accounts[1]]).slice(0, 20).toString('hex')}`;
+    const authorizedAddress = `0x${crypto
+        .solSHA3([accounts[0]])
+        .slice(0, 20)
+        .toString('hex')}`;
+    const unauthorizedAddress = `0x${crypto
+        .solSHA3([accounts[1]])
+        .slice(0, 20)
+        .toString('hex')}`;
 
     let tokenTransferProxy: ContractInstance;
     let multiSig: ContractInstance;
@@ -31,11 +37,19 @@ contract('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', (accounts: s
 
     beforeEach(async () => {
         const initialOwner = accounts[0];
-        tokenTransferProxy = await TokenTransferProxy.new({from: initialOwner});
-        await tokenTransferProxy.addAuthorizedAddress(authorizedAddress, {from: initialOwner});
+        tokenTransferProxy = await TokenTransferProxy.new({ from: initialOwner });
+        await tokenTransferProxy.addAuthorizedAddress(authorizedAddress, {
+            from: initialOwner,
+        });
         multiSig = await MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.new(
-                owners, requiredApprovals, SECONDS_TIME_LOCKED, tokenTransferProxy.address);
-        await tokenTransferProxy.transferOwnership(multiSig.address, {from: initialOwner});
+            owners,
+            requiredApprovals,
+            SECONDS_TIME_LOCKED,
+            tokenTransferProxy.address,
+        );
+        await tokenTransferProxy.transferOwnership(multiSig.address, {
+            from: initialOwner,
+        });
         multiSigWrapper = new MultiSigWrapper(multiSig);
         validDestination = tokenTransferProxy.address;
     });
@@ -43,8 +57,7 @@ contract('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', (accounts: s
     describe('isFunctionRemoveAuthorizedAddress', () => {
         it('should throw if data is not for removeAuthorizedAddress', async () => {
             const data = MultiSigWrapper.encodeFnArgs('addAuthorizedAddress', PROXY_ABI, [owners[0]]);
-            return expect(multiSig.isFunctionRemoveAuthorizedAddress.call(data))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(multiSig.isFunctionRemoveAuthorizedAddress.call(data)).to.be.rejectedWith(constants.REVERT);
         });
 
         it('should return true if data is for removeAuthorizedAddress', async () => {
@@ -77,7 +90,7 @@ contract('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', (accounts: s
             };
             const res = await multiSigWrapper.submitTransactionAsync(invalidDestination, owners[0], dataParams);
             const txId = res.logs[0].args.transactionId.toString();
-            await multiSig.confirmTransaction(txId, {from: owners[1]});
+            await multiSig.confirmTransaction(txId, { from: owners[1] });
             const isConfirmed = await multiSig.isConfirmed.call(txId);
             expect(isConfirmed).to.be.true();
 
@@ -92,7 +105,7 @@ contract('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', (accounts: s
             };
             const res = await multiSigWrapper.submitTransactionAsync(validDestination, owners[0], dataParams);
             const txId = res.logs[0].args.transactionId.toString();
-            await multiSig.confirmTransaction(txId, {from: owners[1]});
+            await multiSig.confirmTransaction(txId, { from: owners[1] });
             const isConfirmed = await multiSig.isConfirmed.call(txId);
             expect(isConfirmed).to.be.true();
 
@@ -107,7 +120,7 @@ contract('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', (accounts: s
             };
             const res = await multiSigWrapper.submitTransactionAsync(validDestination, owners[0], dataParams);
             const txId = res.logs[0].args.transactionId.toString();
-            await multiSig.confirmTransaction(txId, {from: owners[1]});
+            await multiSig.confirmTransaction(txId, { from: owners[1] });
             const isConfirmed = await multiSig.isConfirmed.call(txId);
             expect(isConfirmed).to.be.true();
             await multiSig.executeRemoveAuthorizedAddress(txId);
@@ -124,7 +137,7 @@ contract('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', (accounts: s
             };
             const res = await multiSigWrapper.submitTransactionAsync(validDestination, owners[0], dataParams);
             const txId = res.logs[0].args.transactionId.toString();
-            await multiSig.confirmTransaction(txId, {from: owners[1]});
+            await multiSig.confirmTransaction(txId, { from: owners[1] });
             const isConfirmed = await multiSig.isConfirmed.call(txId);
             expect(isConfirmed).to.be.true();
             await multiSig.executeRemoveAuthorizedAddress(txId);
diff --git a/packages/contracts/test/ts/token_registry.ts b/packages/contracts/test/ts/token_registry.ts
index 36f3edcfc..d1c551565 100644
--- a/packages/contracts/test/ts/token_registry.ts
+++ b/packages/contracts/test/ts/token_registry.ts
@@ -1,16 +1,16 @@
-import {ZeroEx} from '0x.js';
+import { ZeroEx } from '0x.js';
 import * as chai from 'chai';
 import ethUtil = require('ethereumjs-util');
 import * as _ from 'lodash';
 
-import {Artifacts} from '../../util/artifacts';
-import {constants} from '../../util/constants';
-import {TokenRegWrapper} from '../../util/token_registry_wrapper';
-import {ContractInstance} from '../../util/types';
+import { Artifacts } from '../../util/artifacts';
+import { constants } from '../../util/constants';
+import { TokenRegWrapper } from '../../util/token_registry_wrapper';
+import { ContractInstance } from '../../util/types';
 
-import {chaiSetup} from './utils/chai_setup';
+import { chaiSetup } from './utils/chai_setup';
 
-const {TokenRegistry} = new Artifacts(artifacts);
+const { TokenRegistry } = new Artifacts(artifacts);
 chaiSetup.configure();
 const expect = chai.expect;
 
@@ -79,18 +79,22 @@ contract('TokenRegistry', (accounts: string[]) => {
 
         it('should throw if name already exists', async () => {
             await tokenRegWrapper.addTokenAsync(token1, owner);
-            const duplicateNameToken = _.assign({}, token2, {name: token1.name});
+            const duplicateNameToken = _.assign({}, token2, { name: token1.name });
 
-            return expect(tokenRegWrapper.addTokenAsync(duplicateNameToken, owner))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(tokenRegWrapper.addTokenAsync(duplicateNameToken, owner)).to.be.rejectedWith(
+                constants.REVERT,
+            );
         });
 
         it('should throw if symbol already exists', async () => {
             await tokenRegWrapper.addTokenAsync(token1, owner);
-            const duplicateSymbolToken = _.assign({}, token2, {symbol: token1.symbol});
+            const duplicateSymbolToken = _.assign({}, token2, {
+                symbol: token1.symbol,
+            });
 
-            return expect(tokenRegWrapper.addTokenAsync(duplicateSymbolToken, owner))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(tokenRegWrapper.addTokenAsync(duplicateSymbolToken, owner)).to.be.rejectedWith(
+                constants.REVERT,
+            );
         });
     });
 
@@ -115,19 +119,22 @@ contract('TokenRegistry', (accounts: string[]) => {
 
         describe('setTokenName', () => {
             it('should throw when not called by owner', async () => {
-                return expect(tokenReg.setTokenName(token1.address, token2.name, {from: notOwner}))
-                    .to.be.rejectedWith(constants.REVERT);
+                return expect(
+                    tokenReg.setTokenName(token1.address, token2.name, { from: notOwner }),
+                ).to.be.rejectedWith(constants.REVERT);
             });
 
             it('should change the token name when called by owner', async () => {
-                const res = await tokenReg.setTokenName(token1.address, token2.name, {from: owner});
+                const res = await tokenReg.setTokenName(token1.address, token2.name, {
+                    from: owner,
+                });
                 expect(res.logs).to.have.length(1);
                 const [newData, oldData] = await Promise.all([
                     tokenRegWrapper.getTokenByNameAsync(token2.name),
                     tokenRegWrapper.getTokenByNameAsync(token1.name),
                 ]);
 
-                const expectedNewData = _.assign({}, token1, {name: token2.name});
+                const expectedNewData = _.assign({}, token1, { name: token2.name });
                 const expectedOldData = nullToken;
                 expect(newData).to.be.deep.equal(expectedNewData);
                 expect(oldData).to.be.deep.equal(expectedOldData);
@@ -136,31 +143,36 @@ contract('TokenRegistry', (accounts: string[]) => {
             it('should throw if the name already exists', async () => {
                 await tokenRegWrapper.addTokenAsync(token2, owner);
 
-                return expect(tokenReg.setTokenName(token1.address, token2.name, {from: owner}))
-                    .to.be.rejectedWith(constants.REVERT);
+                return expect(tokenReg.setTokenName(token1.address, token2.name, { from: owner })).to.be.rejectedWith(
+                    constants.REVERT,
+                );
             });
 
             it('should throw if token does not exist', async () => {
-                return expect(tokenReg.setTokenName(nullToken.address, token2.name, {from: owner}))
-                    .to.be.rejectedWith(constants.REVERT);
+                return expect(
+                    tokenReg.setTokenName(nullToken.address, token2.name, { from: owner }),
+                ).to.be.rejectedWith(constants.REVERT);
             });
         });
 
         describe('setTokenSymbol', () => {
             it('should throw when not called by owner', async () => {
-                return expect(tokenReg.setTokenSymbol(token1.address, token2.symbol, {from: notOwner}))
-                    .to.be.rejectedWith(constants.REVERT);
+                return expect(
+                    tokenReg.setTokenSymbol(token1.address, token2.symbol, {
+                        from: notOwner,
+                    }),
+                ).to.be.rejectedWith(constants.REVERT);
             });
 
             it('should change the token symbol when called by owner', async () => {
-                const res = await tokenReg.setTokenSymbol(token1.address, token2.symbol, {from: owner});
+                const res = await tokenReg.setTokenSymbol(token1.address, token2.symbol, { from: owner });
                 expect(res.logs).to.have.length(1);
                 const [newData, oldData] = await Promise.all([
                     tokenRegWrapper.getTokenBySymbolAsync(token2.symbol),
                     tokenRegWrapper.getTokenBySymbolAsync(token1.symbol),
                 ]);
 
-                const expectedNewData = _.assign({}, token1, {symbol: token2.symbol});
+                const expectedNewData = _.assign({}, token1, { symbol: token2.symbol });
                 const expectedOldData = nullToken;
                 expect(newData).to.be.deep.equal(expectedNewData);
                 expect(oldData).to.be.deep.equal(expectedOldData);
@@ -169,26 +181,35 @@ contract('TokenRegistry', (accounts: string[]) => {
             it('should throw if the symbol already exists', async () => {
                 await tokenRegWrapper.addTokenAsync(token2, owner);
 
-                return expect(tokenReg.setTokenSymbol(token1.address, token2.symbol, {from: owner}))
-                    .to.be.rejectedWith(constants.REVERT);
+                return expect(
+                    tokenReg.setTokenSymbol(token1.address, token2.symbol, {
+                        from: owner,
+                    }),
+                ).to.be.rejectedWith(constants.REVERT);
             });
 
             it('should throw if token does not exist', async () => {
-                return expect(tokenReg.setTokenSymbol(nullToken.address, token2.symbol, {from: owner}))
-                    .to.be.rejectedWith(constants.REVERT);
+                return expect(
+                    tokenReg.setTokenSymbol(nullToken.address, token2.symbol, {
+                        from: owner,
+                    }),
+                ).to.be.rejectedWith(constants.REVERT);
             });
         });
 
         describe('removeToken', () => {
             it('should throw if not called by owner', async () => {
                 const index = 0;
-                return expect(tokenReg.removeToken(token1.address, index, {from: notOwner}))
-                    .to.be.rejectedWith(constants.REVERT);
+                return expect(tokenReg.removeToken(token1.address, index, { from: notOwner })).to.be.rejectedWith(
+                    constants.REVERT,
+                );
             });
 
             it('should remove token metadata when called by owner', async () => {
                 const index = 0;
-                const res = await tokenReg.removeToken(token1.address, index, {from: owner});
+                const res = await tokenReg.removeToken(token1.address, index, {
+                    from: owner,
+                });
                 expect(res.logs).to.have.length(1);
                 const tokenData = await tokenRegWrapper.getTokenMetaDataAsync(token1.address);
                 expect(tokenData).to.be.deep.equal(nullToken);
@@ -196,17 +217,18 @@ contract('TokenRegistry', (accounts: string[]) => {
 
             it('should throw if token does not exist', async () => {
                 const index = 0;
-                return expect(tokenReg.removeToken(nullToken.address, index, {from: owner}))
-                    .to.be.rejectedWith(constants.REVERT);
+                return expect(tokenReg.removeToken(nullToken.address, index, { from: owner })).to.be.rejectedWith(
+                    constants.REVERT,
+                );
             });
 
             it('should throw if token at given index does not match address', async () => {
                 await tokenRegWrapper.addTokenAsync(token2, owner);
                 const incorrectIndex = 0;
-                return expect(tokenReg.removeToken(token2.address, incorrectIndex, {from: owner}))
-                    .to.be.rejectedWith(constants.REVERT);
+                return expect(tokenReg.removeToken(token2.address, incorrectIndex, { from: owner })).to.be.rejectedWith(
+                    constants.REVERT,
+                );
             });
-
         });
     });
 });
diff --git a/packages/contracts/test/ts/token_transfer_proxy/auth.ts b/packages/contracts/test/ts/token_transfer_proxy/auth.ts
index 7c0a3d231..9ae0a8fc3 100644
--- a/packages/contracts/test/ts/token_transfer_proxy/auth.ts
+++ b/packages/contracts/test/ts/token_transfer_proxy/auth.ts
@@ -1,8 +1,8 @@
 import * as chai from 'chai';
 
-import {constants} from '../../../util/constants';
-import {ContractInstance} from '../../../util/types';
-import {chaiSetup} from '../utils/chai_setup';
+import { constants } from '../../../util/constants';
+import { ContractInstance } from '../../../util/types';
+import { chaiSetup } from '../utils/chai_setup';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -22,12 +22,15 @@ contract('TokenTransferProxy', (accounts: string[]) => {
 
     describe('addAuthorizedAddress', () => {
         it('should throw if not called by owner', async () => {
-            return expect(tokenTransferProxy.addAuthorizedAddress(notOwner, {from: notOwner}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(tokenTransferProxy.addAuthorizedAddress(notOwner, { from: notOwner })).to.be.rejectedWith(
+                constants.REVERT,
+            );
         });
 
         it('should allow owner to add an authorized address', async () => {
-            await tokenTransferProxy.addAuthorizedAddress(notAuthorized, {from: owner});
+            await tokenTransferProxy.addAuthorizedAddress(notAuthorized, {
+                from: owner,
+            });
             authorized = notAuthorized;
             notAuthorized = null;
             const isAuthorized = await tokenTransferProxy.authorized.call(authorized);
@@ -35,19 +38,25 @@ contract('TokenTransferProxy', (accounts: string[]) => {
         });
 
         it('should throw if owner attempts to authorize a duplicate address', async () => {
-            return expect(tokenTransferProxy.addAuthorizedAddress(authorized, {from: owner}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(tokenTransferProxy.addAuthorizedAddress(authorized, { from: owner })).to.be.rejectedWith(
+                constants.REVERT,
+            );
         });
     });
 
     describe('removeAuthorizedAddress', () => {
         it('should throw if not called by owner', async () => {
-            return expect(tokenTransferProxy.removeAuthorizedAddress(authorized, {from: notOwner}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(
+                tokenTransferProxy.removeAuthorizedAddress(authorized, {
+                    from: notOwner,
+                }),
+            ).to.be.rejectedWith(constants.REVERT);
         });
 
         it('should allow owner to remove an authorized address', async () => {
-            await tokenTransferProxy.removeAuthorizedAddress(authorized, {from: owner});
+            await tokenTransferProxy.removeAuthorizedAddress(authorized, {
+                from: owner,
+            });
             notAuthorized = authorized;
             authorized = null;
 
@@ -56,8 +65,11 @@ contract('TokenTransferProxy', (accounts: string[]) => {
         });
 
         it('should throw if owner attempts to remove an address that is not authorized', async () => {
-            return expect(tokenTransferProxy.removeAuthorizedAddress(notAuthorized, {from: owner}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(
+                tokenTransferProxy.removeAuthorizedAddress(notAuthorized, {
+                    from: owner,
+                }),
+            ).to.be.rejectedWith(constants.REVERT);
         });
     });
 
@@ -65,7 +77,9 @@ contract('TokenTransferProxy', (accounts: string[]) => {
         it('should return all authorized addresses', async () => {
             const initial = await tokenTransferProxy.getAuthorizedAddresses();
             expect(initial).to.have.length(1);
-            await tokenTransferProxy.addAuthorizedAddress(notAuthorized, {from: owner});
+            await tokenTransferProxy.addAuthorizedAddress(notAuthorized, {
+                from: owner,
+            });
 
             authorized = notAuthorized;
             notAuthorized = null;
@@ -73,7 +87,9 @@ contract('TokenTransferProxy', (accounts: string[]) => {
             expect(afterAdd).to.have.length(2);
             expect(afterAdd).to.include(authorized);
 
-            await tokenTransferProxy.removeAuthorizedAddress(authorized, {from: owner});
+            await tokenTransferProxy.removeAuthorizedAddress(authorized, {
+                from: owner,
+            });
             notAuthorized = authorized;
             authorized = null;
             const afterRemove = await tokenTransferProxy.getAuthorizedAddresses();
diff --git a/packages/contracts/test/ts/token_transfer_proxy/transfer_from.ts b/packages/contracts/test/ts/token_transfer_proxy/transfer_from.ts
index 8b40bfb1e..e1aff6dae 100644
--- a/packages/contracts/test/ts/token_transfer_proxy/transfer_from.ts
+++ b/packages/contracts/test/ts/token_transfer_proxy/transfer_from.ts
@@ -1,18 +1,14 @@
 import * as chai from 'chai';
 
-import {Artifacts} from '../../../util/artifacts';
-import {Balances} from '../../../util/balances';
-import {constants} from '../../../util/constants';
-import {ContractInstance} from '../../../util/types';
-import {chaiSetup} from '../utils/chai_setup';
+import { Artifacts } from '../../../util/artifacts';
+import { Balances } from '../../../util/balances';
+import { constants } from '../../../util/constants';
+import { ContractInstance } from '../../../util/types';
+import { chaiSetup } from '../utils/chai_setup';
 
 chaiSetup.configure();
 const expect = chai.expect;
-const {
-    TokenTransferProxy,
-    DummyToken,
-    TokenRegistry,
-} = new Artifacts(artifacts);
+const { TokenTransferProxy, DummyToken, TokenRegistry } = new Artifacts(artifacts);
 
 contract('TokenTransferProxy', (accounts: string[]) => {
     const INIT_BAL = 100000000;
@@ -36,32 +32,42 @@ contract('TokenTransferProxy', (accounts: string[]) => {
 
         dmyBalances = new Balances([rep], [accounts[0], accounts[1]]);
         await Promise.all([
-            rep.approve(TokenTransferProxy.address, INIT_ALLOW, {from: accounts[0]}),
-            rep.setBalance(accounts[0], INIT_BAL, {from: owner}),
-            rep.approve(TokenTransferProxy.address, INIT_ALLOW, {from: accounts[1]}),
-            rep.setBalance(accounts[1], INIT_BAL, {from: owner}),
+            rep.approve(TokenTransferProxy.address, INIT_ALLOW, {
+                from: accounts[0],
+            }),
+            rep.setBalance(accounts[0], INIT_BAL, { from: owner }),
+            rep.approve(TokenTransferProxy.address, INIT_ALLOW, {
+                from: accounts[1],
+            }),
+            rep.setBalance(accounts[1], INIT_BAL, { from: owner }),
         ]);
     });
 
     describe('transferFrom', () => {
         it('should throw when called by an unauthorized address', async () => {
-            expect(tokenTransferProxy.transferFrom(rep.address, accounts[0], accounts[1], 1000, {from: notAuthorized}))
-                .to.be.rejectedWith(constants.REVERT);
+            expect(
+                tokenTransferProxy.transferFrom(rep.address, accounts[0], accounts[1], 1000, { from: notAuthorized }),
+            ).to.be.rejectedWith(constants.REVERT);
         });
 
         it('should allow an authorized address to transfer', async () => {
             const balances = await dmyBalances.getAsync();
 
-            await tokenTransferProxy.addAuthorizedAddress(notAuthorized, {from: owner});
+            await tokenTransferProxy.addAuthorizedAddress(notAuthorized, {
+                from: owner,
+            });
             const transferAmt = 10000;
-            await tokenTransferProxy.transferFrom(rep.address, accounts[0], accounts[1],
-                                                  transferAmt, {from: notAuthorized});
+            await tokenTransferProxy.transferFrom(rep.address, accounts[0], accounts[1], transferAmt, {
+                from: notAuthorized,
+            });
 
             const newBalances = await dmyBalances.getAsync();
-            expect(newBalances[accounts[0]][rep.address])
-                .to.be.bignumber.equal(balances[accounts[0]][rep.address].minus(transferAmt));
-            expect(newBalances[accounts[1]][rep.address])
-                .to.be.bignumber.equal(balances[accounts[1]][rep.address].add(transferAmt));
+            expect(newBalances[accounts[0]][rep.address]).to.be.bignumber.equal(
+                balances[accounts[0]][rep.address].minus(transferAmt),
+            );
+            expect(newBalances[accounts[1]][rep.address]).to.be.bignumber.equal(
+                balances[accounts[1]][rep.address].add(transferAmt),
+            );
         });
     });
 });
diff --git a/packages/contracts/test/ts/unlimited_allowance_token.ts b/packages/contracts/test/ts/unlimited_allowance_token.ts
index 33b2a5721..008ee7ecd 100644
--- a/packages/contracts/test/ts/unlimited_allowance_token.ts
+++ b/packages/contracts/test/ts/unlimited_allowance_token.ts
@@ -1,15 +1,15 @@
-import {ZeroEx} from '0x.js';
-import {BigNumber} from 'bignumber.js';
+import { ZeroEx } from '0x.js';
+import { BigNumber } from 'bignumber.js';
 import * as chai from 'chai';
 import * as Web3 from 'web3';
 
-import {Artifacts} from '../../util/artifacts';
-import {constants} from '../../util/constants';
-import {ContractInstance} from '../../util/types';
+import { Artifacts } from '../../util/artifacts';
+import { constants } from '../../util/constants';
+import { ContractInstance } from '../../util/types';
 
-import {chaiSetup} from './utils/chai_setup';
+import { chaiSetup } from './utils/chai_setup';
 
-const {DummyToken} = new Artifacts(artifacts);
+const { DummyToken } = new Artifacts(artifacts);
 const web3: Web3 = (global as any).web3;
 chaiSetup.configure();
 const expect = chai.expect;
@@ -27,8 +27,8 @@ contract('UnlimitedAllowanceToken', (accounts: string[]) => {
     let token: ContractInstance;
 
     beforeEach(async () => {
-        token = await DummyToken.new({from: owner});
-        await token.mint(MAX_MINT_VALUE, {from: owner});
+        token = await DummyToken.new({ from: owner });
+        await token.mint(MAX_MINT_VALUE, { from: owner });
         tokenAddress = token.address;
     });
 
@@ -48,7 +48,9 @@ contract('UnlimitedAllowanceToken', (accounts: string[]) => {
         });
 
         it('should return true on a 0 value transfer', async () => {
-            const didReturnTrue = await token.transfer.call(spender, 0, {from: owner});
+            const didReturnTrue = await token.transfer.call(spender, 0, {
+                from: owner,
+            });
             expect(didReturnTrue).to.be.true();
         });
     });
@@ -58,7 +60,7 @@ contract('UnlimitedAllowanceToken', (accounts: string[]) => {
             const ownerBalance = await zeroEx.token.getBalanceAsync(tokenAddress, owner);
             const amountToTransfer = ownerBalance.plus(1);
             await zeroEx.token.setAllowanceAsync(tokenAddress, owner, spender, amountToTransfer);
-            const didReturnTrue = await token.transferFrom.call(owner, spender, amountToTransfer, {from: spender});
+            const didReturnTrue = await token.transferFrom.call(owner, spender, amountToTransfer, { from: spender });
             expect(didReturnTrue).to.be.false();
         });
 
@@ -70,13 +72,13 @@ contract('UnlimitedAllowanceToken', (accounts: string[]) => {
             const spenderAllowanceIsInsufficient = spenderAllowance.cmp(amountToTransfer) < 0;
             expect(spenderAllowanceIsInsufficient).to.be.true();
 
-            const didReturnTrue = await token.transferFrom.call(owner, spender, amountToTransfer, {from: spender});
+            const didReturnTrue = await token.transferFrom.call(owner, spender, amountToTransfer, { from: spender });
             expect(didReturnTrue).to.be.false();
         });
 
         it('should return true on a 0 value transfer', async () => {
             const amountToTransfer = 0;
-            const didReturnTrue = await token.transferFrom.call(owner, spender, amountToTransfer, {from: spender});
+            const didReturnTrue = await token.transferFrom.call(owner, spender, amountToTransfer, { from: spender });
             expect(didReturnTrue).to.be.true();
         });
 
diff --git a/packages/contracts/test/ts/unlimited_allowance_token_v2.ts b/packages/contracts/test/ts/unlimited_allowance_token_v2.ts
index 4fa06e483..0053aedd5 100644
--- a/packages/contracts/test/ts/unlimited_allowance_token_v2.ts
+++ b/packages/contracts/test/ts/unlimited_allowance_token_v2.ts
@@ -1,15 +1,15 @@
-import {ZeroEx} from '0x.js';
-import {BigNumber} from 'bignumber.js';
+import { ZeroEx } from '0x.js';
+import { BigNumber } from 'bignumber.js';
 import * as chai from 'chai';
 import * as Web3 from 'web3';
 
-import {Artifacts} from '../../util/artifacts';
-import {constants} from '../../util/constants';
-import {ContractInstance} from '../../util/types';
+import { Artifacts } from '../../util/artifacts';
+import { constants } from '../../util/constants';
+import { ContractInstance } from '../../util/types';
 
-import {chaiSetup} from './utils/chai_setup';
+import { chaiSetup } from './utils/chai_setup';
 
-const {DummyTokenV2} = new Artifacts(artifacts);
+const { DummyTokenV2 } = new Artifacts(artifacts);
 const web3: Web3 = (global as any).web3;
 chaiSetup.configure();
 const expect = chai.expect;
@@ -27,8 +27,8 @@ contract('UnlimitedAllowanceTokenV2', (accounts: string[]) => {
     let token: ContractInstance;
 
     beforeEach(async () => {
-        token = await DummyTokenV2.new({from: owner});
-        await token.mint(MAX_MINT_VALUE, {from: owner});
+        token = await DummyTokenV2.new({ from: owner });
+        await token.mint(MAX_MINT_VALUE, { from: owner });
         tokenAddress = token.address;
     });
 
@@ -36,8 +36,9 @@ contract('UnlimitedAllowanceTokenV2', (accounts: string[]) => {
         it('should throw if owner has insufficient balance', async () => {
             const ownerBalance = await zeroEx.token.getBalanceAsync(tokenAddress, owner);
             const amountToTransfer = ownerBalance.plus(1);
-            return expect(token.transfer.call(spender, amountToTransfer, {from: owner}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(token.transfer.call(spender, amountToTransfer, { from: owner })).to.be.rejectedWith(
+                constants.REVERT,
+            );
         });
 
         it('should transfer balance from sender to receiver', async () => {
@@ -55,7 +56,9 @@ contract('UnlimitedAllowanceTokenV2', (accounts: string[]) => {
         });
 
         it('should return true on a 0 value transfer', async () => {
-            const didReturnTrue = await token.transfer.call(spender, 0, {from: owner});
+            const didReturnTrue = await token.transfer.call(spender, 0, {
+                from: owner,
+            });
             expect(didReturnTrue).to.be.true();
         });
     });
@@ -65,8 +68,11 @@ contract('UnlimitedAllowanceTokenV2', (accounts: string[]) => {
             const ownerBalance = await zeroEx.token.getBalanceAsync(tokenAddress, owner);
             const amountToTransfer = ownerBalance.plus(1);
             await zeroEx.token.setAllowanceAsync(tokenAddress, owner, spender, amountToTransfer);
-            return expect(token.transferFrom.call(owner, spender, amountToTransfer, {from: spender}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(
+                token.transferFrom.call(owner, spender, amountToTransfer, {
+                    from: spender,
+                }),
+            ).to.be.rejectedWith(constants.REVERT);
         });
 
         it('should throw if spender has insufficient allowance', async () => {
@@ -77,13 +83,16 @@ contract('UnlimitedAllowanceTokenV2', (accounts: string[]) => {
             const spenderAllowanceIsInsufficient = spenderAllowance.cmp(amountToTransfer) < 0;
             expect(spenderAllowanceIsInsufficient).to.be.true();
 
-            return expect(token.transferFrom.call(owner, spender, amountToTransfer, {from: spender}))
-                .to.be.rejectedWith(constants.REVERT);
+            return expect(
+                token.transferFrom.call(owner, spender, amountToTransfer, {
+                    from: spender,
+                }),
+            ).to.be.rejectedWith(constants.REVERT);
         });
 
         it('should return true on a 0 value transfer', async () => {
             const amountToTransfer = 0;
-            const didReturnTrue = await token.transferFrom.call(owner, spender, amountToTransfer, {from: spender});
+            const didReturnTrue = await token.transferFrom.call(owner, spender, amountToTransfer, { from: spender });
             expect(didReturnTrue).to.be.true();
         });
 
diff --git a/packages/contracts/test/ts/zrx_token.ts b/packages/contracts/test/ts/zrx_token.ts
index 89e3c3ae2..3122060c0 100644
--- a/packages/contracts/test/ts/zrx_token.ts
+++ b/packages/contracts/test/ts/zrx_token.ts
@@ -1,17 +1,17 @@
-import {ZeroEx} from '0x.js';
-import {BigNumber} from 'bignumber.js';
+import { ZeroEx } from '0x.js';
+import { BigNumber } from 'bignumber.js';
 import * as chai from 'chai';
 import Web3 = require('web3');
 
-import {Artifacts} from '../../util/artifacts';
-import {constants} from '../../util/constants';
-import {ContractInstance} from '../../util/types';
+import { Artifacts } from '../../util/artifacts';
+import { constants } from '../../util/constants';
+import { ContractInstance } from '../../util/types';
 
-import {chaiSetup} from './utils/chai_setup';
+import { chaiSetup } from './utils/chai_setup';
 
 chaiSetup.configure();
 const expect = chai.expect;
-const {Exchange, ZRXToken} = new Artifacts(artifacts);
+const { Exchange, ZRXToken } = new Artifacts(artifacts);
 const web3: Web3 = (global as any).web3;
 
 contract('ZRXToken', (accounts: string[]) => {
@@ -85,7 +85,9 @@ contract('ZRXToken', (accounts: string[]) => {
         });
 
         it('should return true on a 0 value transfer', async () => {
-            const didReturnTrue = await zrx.transfer.call(spender, 0, {from: owner});
+            const didReturnTrue = await zrx.transfer.call(spender, 0, {
+                from: owner,
+            });
             expect(didReturnTrue).to.be.true();
         });
     });
@@ -98,7 +100,7 @@ contract('ZRXToken', (accounts: string[]) => {
                 gasLimit: constants.MAX_TOKEN_APPROVE_GAS,
             });
             await zeroEx.awaitTransactionMinedAsync(txHash);
-            const didReturnTrue = await zrx.transferFrom.call(owner, spender, amountToTransfer, {from: spender});
+            const didReturnTrue = await zrx.transferFrom.call(owner, spender, amountToTransfer, { from: spender });
             expect(didReturnTrue).to.be.false();
         });
 
@@ -110,13 +112,13 @@ contract('ZRXToken', (accounts: string[]) => {
             const spenderAllowanceIsInsufficient = spenderAllowance.cmp(amountToTransfer) < 0;
             expect(spenderAllowanceIsInsufficient).to.be.true();
 
-            const didReturnTrue = await zrx.transferFrom.call(owner, spender, amountToTransfer, {from: spender});
+            const didReturnTrue = await zrx.transferFrom.call(owner, spender, amountToTransfer, { from: spender });
             expect(didReturnTrue).to.be.false();
         });
 
         it('should return true on a 0 value transfer', async () => {
             const amountToTransfer = 0;
-            const didReturnTrue = await zrx.transferFrom.call(owner, spender, amountToTransfer, {from: spender});
+            const didReturnTrue = await zrx.transferFrom.call(owner, spender, amountToTransfer, { from: spender });
             expect(didReturnTrue).to.be.true();
         });
 
diff --git a/packages/contracts/util/artifacts.ts b/packages/contracts/util/artifacts.ts
index 14acd32a1..ecb18cbce 100644
--- a/packages/contracts/util/artifacts.ts
+++ b/packages/contracts/util/artifacts.ts
@@ -21,7 +21,8 @@ export class Artifacts {
         this.DummyTokenV2 = artifacts.require('DummyToken_v2');
         this.EtherToken = artifacts.require('WETH9');
         this.MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress = artifacts.require(
-                'MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress');
+            'MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress',
+        );
         this.MaliciousToken = artifacts.require('MaliciousToken');
     }
 }
diff --git a/packages/contracts/util/balances.ts b/packages/contracts/util/balances.ts
index 5800a2008..eaeecf1c4 100644
--- a/packages/contracts/util/balances.ts
+++ b/packages/contracts/util/balances.ts
@@ -1,8 +1,8 @@
-import {bigNumberConfigs} from '@0xproject/utils';
-import {BigNumber} from 'bignumber.js';
+import { bigNumberConfigs } from '@0xproject/utils';
+import { BigNumber } from 'bignumber.js';
 import * as _ from 'lodash';
 
-import {BalancesByOwner, ContractInstance} from './types';
+import { BalancesByOwner, ContractInstance } from './types';
 
 bigNumberConfigs.configure();
 
diff --git a/packages/contracts/util/crypto.ts b/packages/contracts/util/crypto.ts
index 2e43ae816..9173df643 100644
--- a/packages/contracts/util/crypto.ts
+++ b/packages/contracts/util/crypto.ts
@@ -18,14 +18,14 @@ export const crypto = {
             const isNumber = _.isFinite(arg);
             if (isNumber) {
                 argTypes.push('uint8');
-            } else if ((arg).isBigNumber) {
+            } else if (arg.isBigNumber) {
                 argTypes.push('uint256');
                 args[i] = new BN(arg.toString(10), 10);
             } else if (ethUtil.isValidAddress(arg)) {
                 argTypes.push('address');
             } else if (_.isString(arg)) {
                 argTypes.push('string');
-            } else if  (_.isBoolean(arg)) {
+            } else if (_.isBoolean(arg)) {
                 argTypes.push('bool');
             } else {
                 throw new Error(`Unable to guess arg type: ${arg}`);
diff --git a/packages/contracts/util/exchange_wrapper.ts b/packages/contracts/util/exchange_wrapper.ts
index 9545710cd..200b0fb1e 100644
--- a/packages/contracts/util/exchange_wrapper.ts
+++ b/packages/contracts/util/exchange_wrapper.ts
@@ -1,20 +1,23 @@
-import {BigNumber} from 'bignumber.js';
+import { BigNumber } from 'bignumber.js';
 import * as _ from 'lodash';
 
-import {formatters} from './formatters';
-import {Order} from './order';
-import {ContractInstance} from './types';
+import { formatters } from './formatters';
+import { Order } from './order';
+import { ContractInstance } from './types';
 
 export class ExchangeWrapper {
     private _exchange: ContractInstance;
     constructor(exchangeContractInstance: ContractInstance) {
         this._exchange = exchangeContractInstance;
     }
-    public async fillOrderAsync(order: Order, from: string,
-                                opts: {
-                                    fillTakerTokenAmount?: BigNumber;
-                                    shouldThrowOnInsufficientBalanceOrAllowance?: boolean;
-                                } = {}) {
+    public async fillOrderAsync(
+        order: Order,
+        from: string,
+        opts: {
+            fillTakerTokenAmount?: BigNumber;
+            shouldThrowOnInsufficientBalanceOrAllowance?: boolean;
+        } = {},
+    ) {
         const shouldThrowOnInsufficientBalanceOrAllowance = !!opts.shouldThrowOnInsufficientBalanceOrAllowance;
         const params = order.createFill(shouldThrowOnInsufficientBalanceOrAllowance, opts.fillTakerTokenAmount);
         const tx = await this._exchange.fillOrder(
@@ -25,25 +28,23 @@ export class ExchangeWrapper {
             params.v,
             params.r,
             params.s,
-            {from},
+            { from },
         );
         _.each(tx.logs, log => wrapLogBigNumbers(log));
         return tx;
     }
-    public async cancelOrderAsync(order: Order, from: string,
-                                  opts: {cancelTakerTokenAmount?: BigNumber} = {}) {
+    public async cancelOrderAsync(order: Order, from: string, opts: { cancelTakerTokenAmount?: BigNumber } = {}) {
         const params = order.createCancel(opts.cancelTakerTokenAmount);
         const tx = await this._exchange.cancelOrder(
             params.orderAddresses,
             params.orderValues,
             params.cancelTakerTokenAmount,
-            {from},
+            { from },
         );
         _.each(tx.logs, log => wrapLogBigNumbers(log));
         return tx;
     }
-    public async fillOrKillOrderAsync(order: Order, from: string,
-                                      opts: {fillTakerTokenAmount?: BigNumber} = {}) {
+    public async fillOrKillOrderAsync(order: Order, from: string, opts: { fillTakerTokenAmount?: BigNumber } = {}) {
         const shouldThrowOnInsufficientBalanceOrAllowance = true;
         const params = order.createFill(shouldThrowOnInsufficientBalanceOrAllowance, opts.fillTakerTokenAmount);
         const tx = await this._exchange.fillOrKillOrder(
@@ -53,19 +54,25 @@ export class ExchangeWrapper {
             params.v,
             params.r,
             params.s,
-            {from},
+            { from },
         );
         _.each(tx.logs, log => wrapLogBigNumbers(log));
         return tx;
     }
-    public async batchFillOrdersAsync(orders: Order[], from: string,
-                                      opts: {
-                                          fillTakerTokenAmounts?: BigNumber[];
-                                          shouldThrowOnInsufficientBalanceOrAllowance?: boolean;
-                                      } = {}) {
+    public async batchFillOrdersAsync(
+        orders: Order[],
+        from: string,
+        opts: {
+            fillTakerTokenAmounts?: BigNumber[];
+            shouldThrowOnInsufficientBalanceOrAllowance?: boolean;
+        } = {},
+    ) {
         const shouldThrowOnInsufficientBalanceOrAllowance = !!opts.shouldThrowOnInsufficientBalanceOrAllowance;
         const params = formatters.createBatchFill(
-                orders, shouldThrowOnInsufficientBalanceOrAllowance, opts.fillTakerTokenAmounts);
+            orders,
+            shouldThrowOnInsufficientBalanceOrAllowance,
+            opts.fillTakerTokenAmounts,
+        );
         const tx = await this._exchange.batchFillOrders(
             params.orderAddresses,
             params.orderValues,
@@ -74,13 +81,16 @@ export class ExchangeWrapper {
             params.v,
             params.r,
             params.s,
-            {from},
+            { from },
         );
         _.each(tx.logs, log => wrapLogBigNumbers(log));
         return tx;
     }
-    public async batchFillOrKillOrdersAsync(orders: Order[], from: string,
-                                            opts: {fillTakerTokenAmounts?: BigNumber[]} = {}) {
+    public async batchFillOrKillOrdersAsync(
+        orders: Order[],
+        from: string,
+        opts: { fillTakerTokenAmounts?: BigNumber[] } = {},
+    ) {
         const params = formatters.createBatchFill(orders, undefined, opts.fillTakerTokenAmounts);
         const tx = await this._exchange.batchFillOrKillOrders(
             params.orderAddresses,
@@ -89,20 +99,25 @@ export class ExchangeWrapper {
             params.v,
             params.r,
             params.s,
-            {from},
+            { from },
         );
         _.each(tx.logs, log => wrapLogBigNumbers(log));
         return tx;
     }
-    public async fillOrdersUpToAsync(orders: Order[], from: string,
-                                     opts: {
-                                        fillTakerTokenAmount?: BigNumber;
-                                        shouldThrowOnInsufficientBalanceOrAllowance?: boolean;
-                                     } = {}) {
+    public async fillOrdersUpToAsync(
+        orders: Order[],
+        from: string,
+        opts: {
+            fillTakerTokenAmount?: BigNumber;
+            shouldThrowOnInsufficientBalanceOrAllowance?: boolean;
+        } = {},
+    ) {
         const shouldThrowOnInsufficientBalanceOrAllowance = !!opts.shouldThrowOnInsufficientBalanceOrAllowance;
-        const params = formatters.createFillUpTo(orders,
-                                             shouldThrowOnInsufficientBalanceOrAllowance,
-                                             opts.fillTakerTokenAmount);
+        const params = formatters.createFillUpTo(
+            orders,
+            shouldThrowOnInsufficientBalanceOrAllowance,
+            opts.fillTakerTokenAmount,
+        );
         const tx = await this._exchange.fillOrdersUpTo(
             params.orderAddresses,
             params.orderValues,
@@ -111,19 +126,22 @@ export class ExchangeWrapper {
             params.v,
             params.r,
             params.s,
-            {from},
+            { from },
         );
         _.each(tx.logs, log => wrapLogBigNumbers(log));
         return tx;
     }
-    public async batchCancelOrdersAsync(orders: Order[], from: string,
-                                        opts: {cancelTakerTokenAmounts?: BigNumber[]} = {}) {
+    public async batchCancelOrdersAsync(
+        orders: Order[],
+        from: string,
+        opts: { cancelTakerTokenAmounts?: BigNumber[] } = {},
+    ) {
         const params = formatters.createBatchCancel(orders, opts.cancelTakerTokenAmounts);
         const tx = await this._exchange.batchCancelOrders(
             params.orderAddresses,
             params.orderValues,
             params.cancelTakerTokenAmounts,
-            {from},
+            { from },
         );
         _.each(tx.logs, log => wrapLogBigNumbers(log));
         return tx;
@@ -144,13 +162,19 @@ export class ExchangeWrapper {
         );
         return isValidSignature;
     }
-    public async isRoundingErrorAsync(numerator: BigNumber, denominator: BigNumber,
-                                      target: BigNumber): Promise<boolean> {
+    public async isRoundingErrorAsync(
+        numerator: BigNumber,
+        denominator: BigNumber,
+        target: BigNumber,
+    ): Promise<boolean> {
         const isRoundingError = await this._exchange.isRoundingError(numerator, denominator, target);
         return isRoundingError;
     }
-    public async getPartialAmountAsync(numerator: BigNumber, denominator: BigNumber,
-                                       target: BigNumber): Promise<BigNumber> {
+    public async getPartialAmountAsync(
+        numerator: BigNumber,
+        denominator: BigNumber,
+        target: BigNumber,
+    ): Promise<BigNumber> {
         const partialAmount = new BigNumber(await this._exchange.getPartialAmount(numerator, denominator, target));
         return partialAmount;
     }
diff --git a/packages/contracts/util/formatters.ts b/packages/contracts/util/formatters.ts
index 0ad44481a..ab3558ee7 100644
--- a/packages/contracts/util/formatters.ts
+++ b/packages/contracts/util/formatters.ts
@@ -1,13 +1,15 @@
-import {BigNumber} from 'bignumber.js';
+import { BigNumber } from 'bignumber.js';
 import * as _ from 'lodash';
 
-import {Order} from './order';
-import {BatchCancelOrders, BatchFillOrders, FillOrdersUpTo} from './types';
+import { Order } from './order';
+import { BatchCancelOrders, BatchFillOrders, FillOrdersUpTo } from './types';
 
 export const formatters = {
-    createBatchFill(orders: Order[],
-                    shouldThrowOnInsufficientBalanceOrAllowance: boolean,
-                    fillTakerTokenAmounts: BigNumber[] = []) {
+    createBatchFill(
+        orders: Order[],
+        shouldThrowOnInsufficientBalanceOrAllowance: boolean,
+        fillTakerTokenAmounts: BigNumber[] = [],
+    ) {
         const batchFill: BatchFillOrders = {
             orderAddresses: [],
             orderValues: [],
@@ -18,11 +20,21 @@ export const formatters = {
             s: [],
         };
         _.forEach(orders, order => {
-            batchFill.orderAddresses.push([order.params.maker, order.params.taker, order.params.makerToken,
-                                     order.params.takerToken, order.params.feeRecipient]);
-            batchFill.orderValues.push([order.params.makerTokenAmount, order.params.takerTokenAmount,
-                                        order.params.makerFee, order.params.takerFee,
-                                        order.params.expirationTimestampInSec, order.params.salt]);
+            batchFill.orderAddresses.push([
+                order.params.maker,
+                order.params.taker,
+                order.params.makerToken,
+                order.params.takerToken,
+                order.params.feeRecipient,
+            ]);
+            batchFill.orderValues.push([
+                order.params.makerTokenAmount,
+                order.params.takerTokenAmount,
+                order.params.makerFee,
+                order.params.takerFee,
+                order.params.expirationTimestampInSec,
+                order.params.salt,
+            ]);
             batchFill.v.push(order.params.v);
             batchFill.r.push(order.params.r);
             batchFill.s.push(order.params.s);
@@ -32,9 +44,11 @@ export const formatters = {
         });
         return batchFill;
     },
-    createFillUpTo(orders: Order[],
-                   shouldThrowOnInsufficientBalanceOrAllowance: boolean,
-                   fillTakerTokenAmount: BigNumber) {
+    createFillUpTo(
+        orders: Order[],
+        shouldThrowOnInsufficientBalanceOrAllowance: boolean,
+        fillTakerTokenAmount: BigNumber,
+    ) {
         const fillUpTo: FillOrdersUpTo = {
             orderAddresses: [],
             orderValues: [],
@@ -45,11 +59,21 @@ export const formatters = {
             s: [],
         };
         orders.forEach(order => {
-            fillUpTo.orderAddresses.push([order.params.maker, order.params.taker, order.params.makerToken,
-                                          order.params.takerToken, order.params.feeRecipient]);
-            fillUpTo.orderValues.push([order.params.makerTokenAmount, order.params.takerTokenAmount,
-                                       order.params.makerFee, order.params.takerFee,
-                                       order.params.expirationTimestampInSec, order.params.salt]);
+            fillUpTo.orderAddresses.push([
+                order.params.maker,
+                order.params.taker,
+                order.params.makerToken,
+                order.params.takerToken,
+                order.params.feeRecipient,
+            ]);
+            fillUpTo.orderValues.push([
+                order.params.makerTokenAmount,
+                order.params.takerTokenAmount,
+                order.params.makerFee,
+                order.params.takerFee,
+                order.params.expirationTimestampInSec,
+                order.params.salt,
+            ]);
             fillUpTo.v.push(order.params.v);
             fillUpTo.r.push(order.params.r);
             fillUpTo.s.push(order.params.s);
@@ -63,11 +87,21 @@ export const formatters = {
             cancelTakerTokenAmounts,
         };
         orders.forEach(order => {
-            batchCancel.orderAddresses.push([order.params.maker, order.params.taker, order.params.makerToken,
-                                       order.params.takerToken, order.params.feeRecipient]);
-            batchCancel.orderValues.push([order.params.makerTokenAmount, order.params.takerTokenAmount,
-                                          order.params.makerFee, order.params.takerFee,
-                                          order.params.expirationTimestampInSec, order.params.salt]);
+            batchCancel.orderAddresses.push([
+                order.params.maker,
+                order.params.taker,
+                order.params.makerToken,
+                order.params.takerToken,
+                order.params.feeRecipient,
+            ]);
+            batchCancel.orderValues.push([
+                order.params.makerTokenAmount,
+                order.params.takerTokenAmount,
+                order.params.makerFee,
+                order.params.takerFee,
+                order.params.expirationTimestampInSec,
+                order.params.salt,
+            ]);
             if (cancelTakerTokenAmounts.length < orders.length) {
                 batchCancel.cancelTakerTokenAmounts.push(order.params.takerTokenAmount);
             }
diff --git a/packages/contracts/util/multi_sig_wrapper.ts b/packages/contracts/util/multi_sig_wrapper.ts
index 2e4174436..0e2e671ec 100644
--- a/packages/contracts/util/multi_sig_wrapper.ts
+++ b/packages/contracts/util/multi_sig_wrapper.ts
@@ -3,12 +3,12 @@ import ethUtil = require('ethereumjs-util');
 import * as _ from 'lodash';
 import * as Web3 from 'web3';
 
-import {ContractInstance, TransactionDataParams} from './types';
+import { ContractInstance, TransactionDataParams } from './types';
 
 export class MultiSigWrapper {
     private _multiSig: ContractInstance;
     public static encodeFnArgs(name: string, abi: Web3.AbiDefinition[], args: any[]) {
-        const abiEntity = _.find(abi, {name}) as Web3.MethodAbi;
+        const abiEntity = _.find(abi, { name }) as Web3.MethodAbi;
         if (_.isUndefined(abiEntity)) {
             throw new Error(`Did not find abi entry for name: ${name}`);
         }
@@ -24,11 +24,16 @@ export class MultiSigWrapper {
     constructor(multiSigContractInstance: ContractInstance) {
         this._multiSig = multiSigContractInstance;
     }
-    public async submitTransactionAsync(destination: string, from: string,
-                                        dataParams: TransactionDataParams,
-                                        value: number = 0) {
-        const {name, abi, args = []} = dataParams;
+    public async submitTransactionAsync(
+        destination: string,
+        from: string,
+        dataParams: TransactionDataParams,
+        value: number = 0,
+    ) {
+        const { name, abi, args = [] } = dataParams;
         const encoded = MultiSigWrapper.encodeFnArgs(name, abi, args);
-        return this._multiSig.submitTransaction(destination, value, encoded, {from});
+        return this._multiSig.submitTransaction(destination, value, encoded, {
+            from,
+        });
     }
 }
diff --git a/packages/contracts/util/order.ts b/packages/contracts/util/order.ts
index 52d611ade..2427ffb87 100644
--- a/packages/contracts/util/order.ts
+++ b/packages/contracts/util/order.ts
@@ -1,11 +1,11 @@
-import {promisify} from '@0xproject/utils';
-import {BigNumber} from 'bignumber.js';
+import { promisify } from '@0xproject/utils';
+import { BigNumber } from 'bignumber.js';
 import ethUtil = require('ethereumjs-util');
 import * as _ from 'lodash';
 import Web3 = require('web3');
 
-import {crypto} from './crypto';
-import {OrderParams} from './types';
+import { crypto } from './crypto';
+import { OrderParams } from './types';
 
 // In order to benefit from type-safety, we re-assign the global web3 instance injected by Truffle
 // with type `any` to a variable of type `Web3`.
@@ -17,7 +17,7 @@ export class Order {
         this.params = params;
     }
     public isValidSignature() {
-        const {v, r, s} = this.params;
+        const { v, r, s } = this.params;
         if (_.isUndefined(v) || _.isUndefined(r) || _.isUndefined(s)) {
             throw new Error('Cannot call isValidSignature on unsigned order');
         }
@@ -34,7 +34,7 @@ export class Order {
     public async signAsync() {
         const orderHash = this._getOrderHash();
         const signature = await promisify<string>(web3.eth.sign)(this.params.maker, orderHash);
-        const {v, r, s} = ethUtil.fromRpcSig(signature);
+        const { v, r, s } = ethUtil.fromRpcSig(signature);
         this.params = _.assign(this.params, {
             orderHashHex: orderHash,
             v,
diff --git a/packages/contracts/util/order_factory.ts b/packages/contracts/util/order_factory.ts
index 9d96a8394..3ae06a335 100644
--- a/packages/contracts/util/order_factory.ts
+++ b/packages/contracts/util/order_factory.ts
@@ -1,9 +1,9 @@
-import {ZeroEx} from '0x.js';
-import {BigNumber} from 'bignumber.js';
+import { ZeroEx } from '0x.js';
+import { BigNumber } from 'bignumber.js';
 import * as _ from 'lodash';
 
-import {Order} from './order';
-import {DefaultOrderParams, OptionalOrderParams, OrderParams} from './types';
+import { Order } from './order';
+import { DefaultOrderParams, OptionalOrderParams, OrderParams } from './types';
 
 export class OrderFactory {
     private _defaultOrderParams: DefaultOrderParams;
@@ -11,12 +11,17 @@ export class OrderFactory {
         this._defaultOrderParams = defaultOrderParams;
     }
     public async newSignedOrderAsync(customOrderParams: OptionalOrderParams = {}) {
-        const randomExpiration = new BigNumber(Math.floor((Date.now() + (Math.random() * 100000000000)) / 1000));
-        const orderParams: OrderParams = _.assign({}, {
-            expirationTimestampInSec: randomExpiration,
-            salt: ZeroEx.generatePseudoRandomSalt(),
-            taker: ZeroEx.NULL_ADDRESS,
-        }, this._defaultOrderParams, customOrderParams);
+        const randomExpiration = new BigNumber(Math.floor((Date.now() + Math.random() * 100000000000) / 1000));
+        const orderParams: OrderParams = _.assign(
+            {},
+            {
+                expirationTimestampInSec: randomExpiration,
+                salt: ZeroEx.generatePseudoRandomSalt(),
+                taker: ZeroEx.NULL_ADDRESS,
+            },
+            this._defaultOrderParams,
+            customOrderParams,
+        );
         const order = new Order(orderParams);
         await order.signAsync();
         return order;
diff --git a/packages/contracts/util/token_registry_wrapper.ts b/packages/contracts/util/token_registry_wrapper.ts
index c10cf4f5f..07a577dea 100644
--- a/packages/contracts/util/token_registry_wrapper.ts
+++ b/packages/contracts/util/token_registry_wrapper.ts
@@ -1,4 +1,4 @@
-import {ContractInstance, Token} from './types';
+import { ContractInstance, Token } from './types';
 
 export class TokenRegWrapper {
     private _tokenReg: ContractInstance;
@@ -13,7 +13,7 @@ export class TokenRegWrapper {
             token.decimals,
             token.ipfsHash,
             token.swarmHash,
-            {from},
+            { from },
         );
         return tx;
     }
diff --git a/packages/contracts/util/types.ts b/packages/contracts/util/types.ts
index b2cf786df..9b225cb0b 100644
--- a/packages/contracts/util/types.ts
+++ b/packages/contracts/util/types.ts
@@ -1,4 +1,4 @@
-import {BigNumber} from 'bignumber.js';
+import { BigNumber } from 'bignumber.js';
 import * as Web3 from 'web3';
 
 export interface BalancesByOwner {
author	Brandon Millman <brandon.millman@gmail.com>	2018-01-09 10:02:41 +0800
committer	Brandon Millman <brandon.millman@gmail.com>	2018-01-09 10:02:41 +0800
commit	8019b1b8231cac24dfc6aa3bb2d5115eff11ee89 (patch)
tree	d270d71404bd3aab44c79dcadf16e348614e9214 /packages/contracts
parent	8fe81c9d090ce50496f3150602f19433e7aedd1e (diff)
parent	7a56e83fa3ca02d796deba3359da480834a9f6ea (diff)
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