Merge branch 'development' into feature/not-enough-eth

56 files changed, 224 insertions, 212 deletions

diff --git a/packages/0x.js/package.json b/packages/0x.js/package.json
index 56999d3e5..bfc29128c 100644
--- a/packages/0x.js/package.json
+++ b/packages/0x.js/package.json
@@ -18,7 +18,7 @@
         "build": "yarn build:all",
         "build:ci": "yarn build:commonjs",
         "build:all": "run-p build:umd:prod build:commonjs",
-        "lint": "tslint --project . --exclude **/src/generated_contract_wrappers/**/*",
+        "lint": "tslint --format stylish --project .",
         "test:circleci": "run-s test:coverage",
         "rebuild_and_test": "run-s build test",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
diff --git a/packages/abi-gen-wrappers/package.json b/packages/abi-gen-wrappers/package.json
index 313cc339d..b8010a8a7 100644
--- a/packages/abi-gen-wrappers/package.json
+++ b/packages/abi-gen-wrappers/package.json
@@ -12,7 +12,7 @@
     "scripts": {
         "build": "yarn pre_build && tsc -b",
         "build:ci": "yarn build",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "pre_build": "yarn generate_contract_wrappers",
         "clean": "shx rm -rf lib wrappers",
         "generate_contract_wrappers": "abi-gen --abis  ${npm_package_config_abis} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/generated-wrappers --backend ethers"
diff --git a/packages/abi-gen/package.json b/packages/abi-gen/package.json
index f32bb3a31..c78d4f269 100644
--- a/packages/abi-gen/package.json
+++ b/packages/abi-gen/package.json
@@ -8,7 +8,7 @@
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.ts",
     "scripts": {
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "clean": "shx rm -rf lib",
         "build": "tsc -b",
         "build:ci": "yarn build",
diff --git a/packages/assert/package.json b/packages/assert/package.json
index 37af8979d..a96f65258 100644
--- a/packages/assert/package.json
+++ b/packages/assert/package.json
@@ -11,7 +11,7 @@
         "build": "tsc -b",
         "build:ci": "yarn build",
         "clean": "shx rm -rf lib test_temp",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --exit",
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s clean build test",
diff --git a/packages/asset-buyer/package.json b/packages/asset-buyer/package.json
index e4b4d19c0..dd0668632 100644
--- a/packages/asset-buyer/package.json
+++ b/packages/asset-buyer/package.json
@@ -10,7 +10,7 @@
     "scripts": {
         "build": "yarn tsc -b",
         "build:ci": "yarn build",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s clean build test",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
diff --git a/packages/base-contract/package.json b/packages/base-contract/package.json
index 676e8aab9..520dff5f9 100644
--- a/packages/base-contract/package.json
+++ b/packages/base-contract/package.json
@@ -17,7 +17,7 @@
         "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --bail --exit",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
-        "lint": "tslint --project . --exclude **/src/contract_wrappers/**/*"
+        "lint": "tslint --format stylish --project ."
     },
     "license": "Apache-2.0",
     "repository": {
diff --git a/packages/connect/package.json b/packages/connect/package.json
index 95b1bbd7d..de846e58b 100644
--- a/packages/connect/package.json
+++ b/packages/connect/package.json
@@ -19,7 +19,7 @@
         "build:ci": "yarn build",
         "clean": "shx rm -rf lib test_temp generated_docs",
         "copy_test_fixtures": "copyfiles -u 2 './test/fixtures/**/*.json' ./lib/test/fixtures",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --exit",
         "test": "run-s copy_test_fixtures run_mocha",
         "rebuild_and_test": "run-s clean build test",
diff --git a/packages/contract-wrappers/CHANGELOG.json b/packages/contract-wrappers/CHANGELOG.json
index c3d986b4a..9ff372e33 100644
--- a/packages/contract-wrappers/CHANGELOG.json
+++ b/packages/contract-wrappers/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "version": "3.0.1",
+        "changes": [
+            {
+                "note": "Fix bug in `ForwarderWrapper` where `feeRecipientAddress` was not correctly normalized.",
+                "pr": 1178
+            }
+        ]
+    },
+    {
         "version": "3.0.0",
         "changes": [
             {
diff --git a/packages/contract-wrappers/package.json b/packages/contract-wrappers/package.json
index d427bb628..178675763 100644
--- a/packages/contract-wrappers/package.json
+++ b/packages/contract-wrappers/package.json
@@ -13,7 +13,7 @@
     "scripts": {
         "build": "tsc -b",
         "build:ci": "yarn build",
-        "lint": "tslint --project . --exclude **/src/contract_wrappers/**/* --exclude **/lib/**/*",
+        "lint": "tslint --format stylish --project . --exclude **/lib/**/*",
         "test:circleci": "run-s test:coverage",
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s build test",
diff --git a/packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts
index 7b11f35bc..749aaae10 100644
--- a/packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts
@@ -28,10 +28,10 @@ export abstract class ContractWrapper {
     protected _networkId: number;
     protected _web3Wrapper: Web3Wrapper;
     private _blockAndLogStreamerIfExists: BlockAndLogStreamer<Block, Log> | undefined;
-    private _blockPollingIntervalMs: number;
+    private readonly _blockPollingIntervalMs: number;
     private _blockAndLogStreamIntervalIfExists?: NodeJS.Timer;
-    private _filters: { [filterToken: string]: FilterObject };
-    private _filterCallbacks: {
+    private readonly _filters: { [filterToken: string]: FilterObject };
+    private readonly _filterCallbacks: {
         [filterToken: string]: EventCallback<ContractEventArgs>;
     };
     private _onLogAddedSubscriptionToken: string | undefined;
diff --git a/packages/contract-wrappers/src/contract_wrappers/erc20_proxy_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/erc20_proxy_wrapper.ts
index adf8c7614..45460bd6d 100644
--- a/packages/contract-wrappers/src/contract_wrappers/erc20_proxy_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/erc20_proxy_wrapper.ts
@@ -34,6 +34,9 @@ export class ERC20ProxyWrapper extends ContractWrapper {
      */
     public async getProxyIdAsync(): Promise<AssetProxyId> {
         const ERC20ProxyContractInstance = this._getERC20ProxyContract();
+        // Note(albrow): Below is a TSLint false positive. Code won't compile if
+        // you remove the type assertion.
+        /* tslint:disable-next-line:no-unnecessary-type-assertion */
         const proxyId = (await ERC20ProxyContractInstance.getProxyId.callAsync()) as AssetProxyId;
         return proxyId;
     }
diff --git a/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts
index f5fc63b42..5e0ec1951 100644
--- a/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/erc20_token_wrapper.ts
@@ -18,12 +18,11 @@ import {
 } from '../types';
 import { assert } from '../utils/assert';
 import { constants } from '../utils/constants';
+import { utils } from '../utils/utils';
 
 import { ContractWrapper } from './contract_wrapper';
 import { ERC20ProxyWrapper } from './erc20_proxy_wrapper';
 
-const removeUndefinedProperties = _.pickBy;
-
 /**
  * This class includes all the functionality related to interacting with ERC20 token contracts.
  * All ERC20 method calls are supported, along with some convenience methods for getting/setting allowances
@@ -32,8 +31,8 @@ const removeUndefinedProperties = _.pickBy;
 export class ERC20TokenWrapper extends ContractWrapper {
     public abi: ContractAbi = ERC20Token.compilerOutput.abi;
     public UNLIMITED_ALLOWANCE_IN_BASE_UNITS = constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS;
-    private _tokenContractsByAddress: { [address: string]: ERC20TokenContract };
-    private _erc20ProxyWrapper: ERC20ProxyWrapper;
+    private readonly _tokenContractsByAddress: { [address: string]: ERC20TokenContract };
+    private readonly _erc20ProxyWrapper: ERC20ProxyWrapper;
     /**
      * Instantiate ERC20TokenWrapper
      * @param web3Wrapper Web3Wrapper instance to use
@@ -108,7 +107,7 @@ export class ERC20TokenWrapper extends ContractWrapper {
         const txHash = await tokenContract.approve.sendTransactionAsync(
             normalizedSpenderAddress,
             amountInBaseUnits,
-            removeUndefinedProperties({
+            utils.removeUndefinedProperties({
                 from: normalizedOwnerAddress,
                 gas: txOpts.gasLimit,
                 gasPrice: txOpts.gasPrice,
@@ -278,7 +277,7 @@ export class ERC20TokenWrapper extends ContractWrapper {
         const txHash = await tokenContract.transfer.sendTransactionAsync(
             normalizedToAddress,
             amountInBaseUnits,
-            removeUndefinedProperties({
+            utils.removeUndefinedProperties({
                 from: normalizedFromAddress,
                 gas: txOpts.gasLimit,
                 gasPrice: txOpts.gasPrice,
@@ -339,7 +338,7 @@ export class ERC20TokenWrapper extends ContractWrapper {
             normalizedFromAddress,
             normalizedToAddress,
             amountInBaseUnits,
-            removeUndefinedProperties({
+            utils.removeUndefinedProperties({
                 from: normalizedSenderAddress,
                 gas: txOpts.gasLimit,
                 gasPrice: txOpts.gasPrice,
diff --git a/packages/contract-wrappers/src/contract_wrappers/erc721_proxy_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/erc721_proxy_wrapper.ts
index 9f3a6930b..12758e191 100644
--- a/packages/contract-wrappers/src/contract_wrappers/erc721_proxy_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/erc721_proxy_wrapper.ts
@@ -34,6 +34,9 @@ export class ERC721ProxyWrapper extends ContractWrapper {
      */
     public async getProxyIdAsync(): Promise<AssetProxyId> {
         const ERC721ProxyContractInstance = await this._getERC721ProxyContract();
+        // Note(albrow): Below is a TSLint false positive. Code won't compile if
+        // you remove the type assertion.
+        /* tslint:disable-next-line:no-unnecessary-type-assertion */
         const proxyId = (await ERC721ProxyContractInstance.getProxyId.callAsync()) as AssetProxyId;
         return proxyId;
     }
diff --git a/packages/contract-wrappers/src/contract_wrappers/erc721_token_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/erc721_token_wrapper.ts
index 1c4b61c0b..1610af47b 100644
--- a/packages/contract-wrappers/src/contract_wrappers/erc721_token_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/erc721_token_wrapper.ts
@@ -18,12 +18,11 @@ import {
 } from '../types';
 import { assert } from '../utils/assert';
 import { constants } from '../utils/constants';
+import { utils } from '../utils/utils';
 
 import { ContractWrapper } from './contract_wrapper';
 import { ERC721ProxyWrapper } from './erc721_proxy_wrapper';
 
-const removeUndefinedProperties = _.pickBy;
-
 /**
  * This class includes all the functionality related to interacting with ERC721 token contracts.
  * All ERC721 method calls are supported, along with some convenience methods for getting/setting allowances
@@ -31,8 +30,8 @@ const removeUndefinedProperties = _.pickBy;
  */
 export class ERC721TokenWrapper extends ContractWrapper {
     public abi: ContractAbi = ERC721Token.compilerOutput.abi;
-    private _tokenContractsByAddress: { [address: string]: ERC721TokenContract };
-    private _erc721ProxyWrapper: ERC721ProxyWrapper;
+    private readonly _tokenContractsByAddress: { [address: string]: ERC721TokenContract };
+    private readonly _erc721ProxyWrapper: ERC721ProxyWrapper;
     /**
      * Instantiate ERC721TokenWrapper
      * @param web3Wrapper Web3Wrapper instance to use
@@ -235,7 +234,7 @@ export class ERC721TokenWrapper extends ContractWrapper {
         const txHash = await tokenContract.setApprovalForAll.sendTransactionAsync(
             normalizedOperatorAddress,
             isApproved,
-            removeUndefinedProperties({
+            utils.removeUndefinedProperties({
                 gas: txOpts.gasLimit,
                 gasPrice: txOpts.gasPrice,
                 from: normalizedOwnerAddress,
@@ -295,7 +294,7 @@ export class ERC721TokenWrapper extends ContractWrapper {
         const txHash = await tokenContract.approve.sendTransactionAsync(
             normalizedApprovedAddress,
             tokenId,
-            removeUndefinedProperties({
+            utils.removeUndefinedProperties({
                 gas: txOpts.gasLimit,
                 gasPrice: txOpts.gasPrice,
                 from: tokenOwnerAddress,
@@ -366,7 +365,7 @@ export class ERC721TokenWrapper extends ContractWrapper {
             ownerAddress,
             normalizedReceiverAddress,
             tokenId,
-            removeUndefinedProperties({
+            utils.removeUndefinedProperties({
                 gas: txOpts.gasLimit,
                 gasPrice: txOpts.gasPrice,
                 from: normalizedSenderAddress,
diff --git a/packages/contract-wrappers/src/contract_wrappers/ether_token_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/ether_token_wrapper.ts
index d4a08da86..913c47cf7 100644
--- a/packages/contract-wrappers/src/contract_wrappers/ether_token_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/ether_token_wrapper.ts
@@ -8,22 +8,21 @@ import * as _ from 'lodash';
 
 import { BlockRange, ContractWrappersError, EventCallback, IndexedFilterValues, TransactionOpts } from '../types';
 import { assert } from '../utils/assert';
+import { utils } from '../utils/utils';
 
 import { ContractWrapper } from './contract_wrapper';
 import { ERC20TokenWrapper } from './erc20_token_wrapper';
 
-const removeUndefinedProperties = _.pickBy;
-
 /**
  * This class includes all the functionality related to interacting with a wrapped Ether ERC20 token contract.
  * The caller can convert ETH into the equivalent number of wrapped ETH ERC20 tokens and back.
  */
 export class EtherTokenWrapper extends ContractWrapper {
     public abi: ContractAbi = WETH9.compilerOutput.abi;
-    private _etherTokenContractsByAddress: {
+    private readonly _etherTokenContractsByAddress: {
         [address: string]: WETH9Contract;
     } = {};
-    private _erc20TokenWrapper: ERC20TokenWrapper;
+    private readonly _erc20TokenWrapper: ERC20TokenWrapper;
     /**
      * Instantiate EtherTokenWrapper.
      * @param web3Wrapper Web3Wrapper instance to use
@@ -67,7 +66,7 @@ export class EtherTokenWrapper extends ContractWrapper {
 
         const wethContract = await this._getEtherTokenContractAsync(normalizedEtherTokenAddress);
         const txHash = await wethContract.deposit.sendTransactionAsync(
-            removeUndefinedProperties({
+            utils.removeUndefinedProperties({
                 from: normalizedDepositorAddress,
                 value: amountInWei,
                 gas: txOpts.gasLimit,
@@ -109,7 +108,7 @@ export class EtherTokenWrapper extends ContractWrapper {
         const wethContract = await this._getEtherTokenContractAsync(normalizedEtherTokenAddress);
         const txHash = await wethContract.withdraw.sendTransactionAsync(
             amountInWei,
-            removeUndefinedProperties({
+            utils.removeUndefinedProperties({
                 from: normalizedWithdrawerAddress,
                 gas: txOpts.gasLimit,
                 gasPrice: txOpts.gasPrice,
diff --git a/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
index 907d25aa0..2e978f35b 100644
--- a/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
@@ -46,8 +46,8 @@ export class ExchangeWrapper extends ContractWrapper {
     public address: string;
     public zrxTokenAddress: string;
     private _exchangeContractIfExists?: ExchangeContract;
-    private _erc721TokenWrapper: ERC721TokenWrapper;
-    private _erc20TokenWrapper: ERC20TokenWrapper;
+    private readonly _erc721TokenWrapper: ERC721TokenWrapper;
+    private readonly _erc20TokenWrapper: ERC20TokenWrapper;
     /**
      * Instantiate ExchangeWrapper
      * @param web3Wrapper Web3Wrapper instance to use.
diff --git a/packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts
index 9463a6849..80742e030 100644
--- a/packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts
@@ -1,7 +1,7 @@
 import { ForwarderContract } from '@0x/abi-gen-wrappers';
 import { Forwarder } from '@0x/contract-artifacts';
 import { schemas } from '@0x/json-schemas';
-import { AssetProxyId, SignedOrder } from '@0x/types';
+import { SignedOrder } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import { ContractAbi } from 'ethereum-types';
@@ -118,7 +118,7 @@ export class ForwarderWrapper extends ContractWrapper {
                 optimizedFeeOrders,
                 feeSignatures,
                 formattedFeePercentage,
-                feeRecipientAddress,
+                normalizedFeeRecipientAddress,
                 {
                     value: ethAmount,
                     from: normalizedTakerAddress,
@@ -207,7 +207,7 @@ export class ForwarderWrapper extends ContractWrapper {
                 optimizedFeeOrders,
                 feeSignatures,
                 formattedFeePercentage,
-                feeRecipientAddress,
+                normalizedFeeRecipientAddress,
                 {
                     value: ethAmount,
                     from: normalizedTakerAddress,
diff --git a/packages/contract-wrappers/src/utils/utils.ts b/packages/contract-wrappers/src/utils/utils.ts
index fbacdaa28..0b3270e78 100644
--- a/packages/contract-wrappers/src/utils/utils.ts
+++ b/packages/contract-wrappers/src/utils/utils.ts
@@ -1,5 +1,6 @@
 import { BigNumber } from '@0x/utils';
 import { Web3Wrapper } from '@0x/web3-wrapper';
+import * as _ from 'lodash';
 
 import { constants } from './constants';
 
@@ -14,4 +15,7 @@ export const utils = {
     numberPercentageToEtherTokenAmountPercentage(percentage: number): BigNumber {
         return Web3Wrapper.toBaseUnitAmount(constants.ONE_AMOUNT, constants.ETHER_TOKEN_DECIMALS).mul(percentage);
     },
+    removeUndefinedProperties<T extends object>(obj: T): Partial<T> {
+        return _.pickBy(obj);
+    },
 };
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 3a5f12c74..4f24310e8 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -23,7 +23,7 @@
         "compile": "sol-compiler --contracts-dir contracts",
         "clean": "shx rm -rf lib generated-artifacts generated-wrappers",
         "generate_contract_wrappers": "abi-gen --abis  ${npm_package_config_abis} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output generated-wrappers --backend ethers",
-        "lint": "tslint --project . --exclude ./generated-wrappers/**/* --exclude ./generated-artifacts/**/* --exclude **/lib/**/* && yarn lint-contracts",
+        "lint": "tslint --format stylish --project . --exclude ./generated-wrappers/**/* --exclude ./generated-artifacts/**/* --exclude **/lib/**/* && yarn lint-contracts",
         "coverage:report:text": "istanbul report text",
         "coverage:report:html": "istanbul report html && open coverage/index.html",
         "profiler:report:html": "istanbul report html && open coverage/index.html",
diff --git a/packages/dev-tools-pages/package.json b/packages/dev-tools-pages/package.json
index 3563b4bef..ca13c1cc8 100644
--- a/packages/dev-tools-pages/package.json
+++ b/packages/dev-tools-pages/package.json
@@ -11,7 +11,7 @@
         "build:ci": "yarn build",
         "build:dev": "../../node_modules/.bin/webpack --mode development",
         "clean": "shx rm -f public/bundle*",
-        "lint": "tslint --project . 'ts/**/*.ts' 'ts/**/*.tsx'",
+        "lint": "tslint --format stylish --project . 'ts/**/*.ts' 'ts/**/*.tsx'",
         "dev": "webpack-dev-server --mode development --content-base public"
     },
     "license": "Apache-2.0",
diff --git a/packages/dev-utils/package.json b/packages/dev-utils/package.json
index d1b1efc87..7c6bfde90 100644
--- a/packages/dev-utils/package.json
+++ b/packages/dev-utils/package.json
@@ -17,7 +17,7 @@
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
         "clean": "shx rm -rf lib",
-        "lint": "tslint --project ."
+        "lint": "tslint --format stylish --project ."
     },
     "license": "Apache-2.0",
     "repository": {
diff --git a/packages/ethereum-types/package.json b/packages/ethereum-types/package.json
index d24e39dfd..49b093bdd 100644
--- a/packages/ethereum-types/package.json
+++ b/packages/ethereum-types/package.json
@@ -11,7 +11,7 @@
         "build": "tsc -b",
         "build:ci": "yarn build",
         "clean": "shx rm -rf lib generated_docs",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "docs:json": "typedoc --excludePrivate --excludeExternals --target ES5 --tsconfig typedoc-tsconfig.json --json $JSON_FILE_PATH $PROJECT_FILES"
     },
     "config": {
diff --git a/packages/fill-scenarios/package.json b/packages/fill-scenarios/package.json
index 0e1303259..ae7fa02ad 100644
--- a/packages/fill-scenarios/package.json
+++ b/packages/fill-scenarios/package.json
@@ -8,7 +8,7 @@
         "build": "yarn tsc -b",
         "build:ci": "yarn build",
         "clean": "shx rm -rf lib src/generated_contract_wrappers",
-        "lint": "tslint --project ."
+        "lint": "tslint --format stylish --project ."
     },
     "license": "Apache-2.0",
     "repository": {
diff --git a/packages/instant/package.json b/packages/instant/package.json
index be85b5062..0329c3078 100644
--- a/packages/instant/package.json
+++ b/packages/instant/package.json
@@ -16,7 +16,7 @@
         "build:ci": "yarn build",
         "watch_without_deps": "tsc -w",
         "dev": "webpack-dev-server --mode development",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "test": "jest",
         "test:coverage": "jest --coverage",
         "rebuild_and_test": "run-s clean build test",
diff --git a/packages/instant/src/components/buy_order_state_button.tsx b/packages/instant/src/components/buy_order_state_button.tsx
deleted file mode 100644
index 44115e5a1..000000000
--- a/packages/instant/src/components/buy_order_state_button.tsx
+++ /dev/null
@@ -1,26 +0,0 @@
-import * as React from 'react';
-
-import { PlacingOrderButton } from '../components/placing_order_button';
-import { SelectedAssetBuyButton } from '../containers/selected_asset_buy_button';
-import { SelectedAssetRetryButton } from '../containers/selected_asset_retry_button';
-import { SelectedAssetViewTransactionButton } from '../containers/selected_asset_view_transaction_button';
-import { OrderProcessState } from '../types';
-
-export interface BuyOrderStateButtonProps {
-    buyOrderProcessingState: OrderProcessState;
-}
-
-export const BuyOrderStateButton: React.StatelessComponent<BuyOrderStateButtonProps> = props => {
-    if (props.buyOrderProcessingState === OrderProcessState.FAILURE) {
-        return <SelectedAssetRetryButton />;
-    } else if (
-        props.buyOrderProcessingState === OrderProcessState.SUCCESS ||
-        props.buyOrderProcessingState === OrderProcessState.PROCESSING
-    ) {
-        return <SelectedAssetViewTransactionButton />;
-    } else if (props.buyOrderProcessingState === OrderProcessState.AWAITING_SIGNATURE) {
-        return <PlacingOrderButton />;
-    }
-
-    return <SelectedAssetBuyButton />;
-};
diff --git a/packages/instant/src/components/buy_order_state_buttons.tsx b/packages/instant/src/components/buy_order_state_buttons.tsx
new file mode 100644
index 000000000..b9e92e763
--- /dev/null
+++ b/packages/instant/src/components/buy_order_state_buttons.tsx
@@ -0,0 +1,63 @@
+import { AssetBuyer, BuyQuote } from '@0x/asset-buyer';
+import * as React from 'react';
+
+import { BuyButton } from '../components/buy_button';
+import { SecondaryButton } from '../components/secondary_button';
+import { Flex } from '../components/ui/flex';
+
+import { PlacingOrderButton } from '../components/placing_order_button';
+import { ColorOption } from '../style/theme';
+import { OrderProcessState } from '../types';
+
+import { Button } from './ui/button';
+import { Text } from './ui/text';
+
+export interface BuyOrderStateButtonProps {
+    buyQuote?: BuyQuote;
+    buyOrderProcessingState: OrderProcessState;
+    assetBuyer?: AssetBuyer;
+    onViewTransaction: () => void;
+    onAwaitingSignature: (buyQuote: BuyQuote) => void;
+    onSignatureDenied: (buyQuote: BuyQuote, error: Error) => void;
+    onBuyProcessing: (buyQuote: BuyQuote, txHash: string) => void;
+    onBuySuccess: (buyQuote: BuyQuote, txHash: string) => void;
+    onBuyFailure: (buyQuote: BuyQuote, txHash: string) => void;
+    onRetry: () => void;
+}
+
+// TODO: rename to buttons
+export const BuyOrderStateButtons: React.StatelessComponent<BuyOrderStateButtonProps> = props => {
+    if (props.buyOrderProcessingState === OrderProcessState.FAILURE) {
+        return (
+            <Flex justify="space-between">
+                <Button width="48%" onClick={props.onRetry}>
+                    <Text fontColor={ColorOption.white} fontWeight={600} fontSize="16px">
+                        Back
+                    </Text>
+                </Button>
+                <SecondaryButton width="48%" onClick={props.onViewTransaction}>
+                    Details
+                </SecondaryButton>
+            </Flex>
+        );
+    } else if (
+        props.buyOrderProcessingState === OrderProcessState.SUCCESS ||
+        props.buyOrderProcessingState === OrderProcessState.PROCESSING
+    ) {
+        return <SecondaryButton onClick={props.onViewTransaction}>View Transaction</SecondaryButton>;
+    } else if (props.buyOrderProcessingState === OrderProcessState.AWAITING_SIGNATURE) {
+        return <PlacingOrderButton />;
+    }
+
+    return (
+        <BuyButton
+            buyQuote={props.buyQuote}
+            assetBuyer={props.assetBuyer}
+            onAwaitingSignature={props.onAwaitingSignature}
+            onSignatureDenied={props.onSignatureDenied}
+            onBuyProcessing={props.onBuyProcessing}
+            onBuySuccess={props.onBuySuccess}
+            onBuyFailure={props.onBuyFailure}
+        />
+    );
+};
diff --git a/packages/instant/src/components/retry_button.tsx b/packages/instant/src/components/retry_button.tsx
deleted file mode 100644
index 0d6188e6a..000000000
--- a/packages/instant/src/components/retry_button.tsx
+++ /dev/null
@@ -1,11 +0,0 @@
-import * as React from 'react';
-
-import { SecondaryButton } from './secondary_button';
-
-export interface RetryButtonProps {
-    onClick: () => void;
-}
-
-export const RetryButton: React.StatelessComponent<RetryButtonProps> = props => {
-    return <SecondaryButton onClick={props.onClick}>Try Again</SecondaryButton>;
-};
diff --git a/packages/instant/src/components/secondary_button.tsx b/packages/instant/src/components/secondary_button.tsx
index 3c139a233..583058b5b 100644
--- a/packages/instant/src/components/secondary_button.tsx
+++ b/packages/instant/src/components/secondary_button.tsx
@@ -14,7 +14,7 @@ export const SecondaryButton: React.StatelessComponent<SecondaryButtonProps> = p
         <Button
             backgroundColor={ColorOption.white}
             borderColor={ColorOption.lightGrey}
-            width="100%"
+            width={props.width}
             onClick={props.onClick}
             {...buttonProps}
         >
@@ -24,3 +24,6 @@ export const SecondaryButton: React.StatelessComponent<SecondaryButtonProps> = p
         </Button>
     );
 };
+SecondaryButton.defaultProps = {
+    width: '100%',
+};
diff --git a/packages/instant/src/components/ui/button.tsx b/packages/instant/src/components/ui/button.tsx
index 1fcb2591c..5274d835b 100644
--- a/packages/instant/src/components/ui/button.tsx
+++ b/packages/instant/src/components/ui/button.tsx
@@ -52,6 +52,7 @@ export const Button = styled(PlainButton)`
 
 Button.defaultProps = {
     backgroundColor: ColorOption.primaryColor,
+    borderColor: ColorOption.primaryColor,
     width: 'auto',
     isDisabled: false,
     padding: '1em 2.2em',
diff --git a/packages/instant/src/components/view_transaction_button.tsx b/packages/instant/src/components/view_transaction_button.tsx
deleted file mode 100644
index 7aa44e657..000000000
--- a/packages/instant/src/components/view_transaction_button.tsx
+++ /dev/null
@@ -1,11 +0,0 @@
-import * as React from 'react';
-
-import { SecondaryButton } from './secondary_button';
-
-export interface ViewTransactionButtonProps {
-    onClick: () => void;
-}
-
-export const ViewTransactionButton: React.StatelessComponent<ViewTransactionButtonProps> = props => {
-    return <SecondaryButton onClick={props.onClick}>View Transaction</SecondaryButton>;
-};
diff --git a/packages/instant/src/components/zero_ex_instant_container.tsx b/packages/instant/src/components/zero_ex_instant_container.tsx
index 1d17ed12a..ff19351ff 100644
--- a/packages/instant/src/components/zero_ex_instant_container.tsx
+++ b/packages/instant/src/components/zero_ex_instant_container.tsx
@@ -2,7 +2,7 @@ import * as React from 'react';
 
 import { LatestBuyQuoteOrderDetails } from '../containers/latest_buy_quote_order_details';
 import { LatestError } from '../containers/latest_error';
-import { SelectedAssetBuyOrderStateButton } from '../containers/selected_asset_buy_order_state_button';
+import { SelectedAssetBuyOrderStateButtons } from '../containers/selected_asset_buy_order_state_buttons';
 import { SelectedAssetInstantHeading } from '../containers/selected_asset_instant_heading';
 
 import { ColorOption } from '../style/theme';
@@ -27,7 +27,7 @@ export const ZeroExInstantContainer: React.StatelessComponent<ZeroExInstantConta
                 <SelectedAssetInstantHeading />
                 <LatestBuyQuoteOrderDetails />
                 <Container padding="20px" width="100%">
-                    <SelectedAssetBuyOrderStateButton />
+                    <SelectedAssetBuyOrderStateButtons />
                 </Container>
             </Flex>
         </Container>
diff --git a/packages/instant/src/containers/selected_asset_buy_order_state_button.tsx b/packages/instant/src/containers/selected_asset_buy_order_state_button.tsx
deleted file mode 100644
index 7faa79912..000000000
--- a/packages/instant/src/containers/selected_asset_buy_order_state_button.tsx
+++ /dev/null
@@ -1,20 +0,0 @@
-import * as _ from 'lodash';
-import * as React from 'react';
-import { connect } from 'react-redux';
-
-import { State } from '../redux/reducer';
-import { OrderProcessState } from '../types';
-
-import { BuyOrderStateButton } from '../components/buy_order_state_button';
-
-interface ConnectedState {
-    buyOrderProcessingState: OrderProcessState;
-}
-export interface SelectedAssetButtonProps {}
-const mapStateToProps = (state: State, _ownProps: SelectedAssetButtonProps): ConnectedState => ({
-    buyOrderProcessingState: state.buyOrderState.processState,
-});
-
-export const SelectedAssetBuyOrderStateButton: React.ComponentClass<SelectedAssetButtonProps> = connect(
-    mapStateToProps,
-)(BuyOrderStateButton);
diff --git a/packages/instant/src/containers/selected_asset_buy_button.ts b/packages/instant/src/containers/selected_asset_buy_order_state_buttons.ts
index adcbd61bc..8927b8954 100644
--- a/packages/instant/src/containers/selected_asset_buy_button.ts
+++ b/packages/instant/src/containers/selected_asset_buy_order_state_buttons.ts
@@ -7,14 +7,15 @@ import { Dispatch } from 'redux';
 import { Action, actions } from '../redux/actions';
 import { State } from '../redux/reducer';
 import { OrderProcessState, OrderState } from '../types';
+import { etherscanUtil } from '../util/etherscan';
 
-import { BuyButton } from '../components/buy_button';
-
-export interface SelectedAssetBuyButtonProps {}
+import { BuyOrderStateButtons } from '../components/buy_order_state_buttons';
 
 interface ConnectedState {
-    assetBuyer?: AssetBuyer;
     buyQuote?: BuyQuote;
+    buyOrderProcessingState: OrderProcessState;
+    assetBuyer?: AssetBuyer;
+    onViewTransaction: () => void;
 }
 
 interface ConnectedDispatch {
@@ -23,14 +24,36 @@ interface ConnectedDispatch {
     onBuyProcessing: (buyQuote: BuyQuote, txHash: string) => void;
     onBuySuccess: (buyQuote: BuyQuote, txHash: string) => void;
     onBuyFailure: (buyQuote: BuyQuote, txHash: string) => void;
+    onRetry: () => void;
 }
-
-const mapStateToProps = (state: State, _ownProps: SelectedAssetBuyButtonProps): ConnectedState => ({
+export interface SelectedAssetBuyOrderStateButtons {}
+const mapStateToProps = (state: State, _ownProps: SelectedAssetBuyOrderStateButtons): ConnectedState => ({
+    buyOrderProcessingState: state.buyOrderState.processState,
     assetBuyer: state.assetBuyer,
     buyQuote: state.latestBuyQuote,
+    onViewTransaction: () => {
+        if (
+            state.assetBuyer &&
+            (state.buyOrderState.processState === OrderProcessState.PROCESSING ||
+                state.buyOrderState.processState === OrderProcessState.SUCCESS ||
+                state.buyOrderState.processState === OrderProcessState.FAILURE)
+        ) {
+            const etherscanUrl = etherscanUtil.getEtherScanTxnAddressIfExists(
+                state.buyOrderState.txHash,
+                state.assetBuyer.networkId,
+            );
+            if (etherscanUrl) {
+                window.open(etherscanUrl, '_blank');
+                return;
+            }
+        }
+    },
 });
 
-const mapDispatchToProps = (dispatch: Dispatch<Action>, ownProps: SelectedAssetBuyButtonProps): ConnectedDispatch => ({
+const mapDispatchToProps = (
+    dispatch: Dispatch<Action>,
+    ownProps: SelectedAssetBuyOrderStateButtons,
+): ConnectedDispatch => ({
     onAwaitingSignature: (buyQuote: BuyQuote) => {
         const newOrderState: OrderState = { processState: OrderProcessState.AWAITING_SIGNATURE };
         dispatch(actions.updateBuyOrderState(newOrderState));
@@ -47,9 +70,12 @@ const mapDispatchToProps = (dispatch: Dispatch<Action>, ownProps: SelectedAssetB
         dispatch(actions.resetAmount());
         dispatch(actions.setError(error));
     },
+    onRetry: () => {
+        dispatch(actions.resetAmount());
+    },
 });
 
-export const SelectedAssetBuyButton: React.ComponentClass<SelectedAssetBuyButtonProps> = connect(
+export const SelectedAssetBuyOrderStateButtons: React.ComponentClass<SelectedAssetBuyOrderStateButtons> = connect(
     mapStateToProps,
     mapDispatchToProps,
-)(BuyButton);
+)(BuyOrderStateButtons);
diff --git a/packages/instant/src/containers/selected_asset_retry_button.tsx b/packages/instant/src/containers/selected_asset_retry_button.tsx
deleted file mode 100644
index b2b140be6..000000000
--- a/packages/instant/src/containers/selected_asset_retry_button.tsx
+++ /dev/null
@@ -1,26 +0,0 @@
-import * as _ from 'lodash';
-import * as React from 'react';
-import { connect } from 'react-redux';
-import { Dispatch } from 'redux';
-
-import { Action, actions } from '../redux/actions';
-
-import { RetryButton } from '../components/retry_button';
-
-export interface SelectedAssetRetryButtonProps {}
-
-interface ConnectedDispatch {
-    onClick: () => void;
-}
-
-const mapDispatchToProps = (
-    dispatch: Dispatch<Action>,
-    _ownProps: SelectedAssetRetryButtonProps,
-): ConnectedDispatch => ({
-    onClick: () => dispatch(actions.resetAmount()),
-});
-
-export const SelectedAssetRetryButton: React.ComponentClass<SelectedAssetRetryButtonProps> = connect(
-    undefined,
-    mapDispatchToProps,
-)(RetryButton);
diff --git a/packages/instant/src/containers/selected_asset_view_transaction_button.tsx b/packages/instant/src/containers/selected_asset_view_transaction_button.tsx
deleted file mode 100644
index 064b877be..000000000
--- a/packages/instant/src/containers/selected_asset_view_transaction_button.tsx
+++ /dev/null
@@ -1,38 +0,0 @@
-import * as _ from 'lodash';
-import * as React from 'react';
-import { connect } from 'react-redux';
-
-import { State } from '../redux/reducer';
-
-import { ViewTransactionButton } from '../components/view_transaction_button';
-import { OrderProcessState } from '../types';
-import { etherscanUtil } from '../util/etherscan';
-
-export interface SelectedAssetViewTransactionButtonProps {}
-
-interface ConnectedState {
-    onClick: () => void;
-}
-
-const mapStateToProps = (state: State, _ownProps: {}): ConnectedState => ({
-    onClick: () => {
-        if (
-            state.assetBuyer &&
-            (state.buyOrderState.processState === OrderProcessState.PROCESSING ||
-                state.buyOrderState.processState === OrderProcessState.SUCCESS)
-        ) {
-            const etherscanUrl = etherscanUtil.getEtherScanTxnAddressIfExists(
-                state.buyOrderState.txHash,
-                state.assetBuyer.networkId,
-            );
-            if (etherscanUrl) {
-                window.open(etherscanUrl, '_blank');
-                return;
-            }
-        }
-    },
-});
-
-export const SelectedAssetViewTransactionButton: React.ComponentClass<
-    SelectedAssetViewTransactionButtonProps
-> = connect(mapStateToProps)(ViewTransactionButton);
diff --git a/packages/instant/src/redux/reducer.ts b/packages/instant/src/redux/reducer.ts
index d7e5bdfb5..614ed21ac 100644
--- a/packages/instant/src/redux/reducer.ts
+++ b/packages/instant/src/redux/reducer.ts
@@ -1,6 +1,7 @@
 import { AssetBuyer, BuyQuote } from '@0x/asset-buyer';
-import { ObjectMap } from '@0x/types';
+import { AssetProxyId, ObjectMap } from '@0x/types';
 import { BigNumber } from '@0x/utils';
+import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as _ from 'lodash';
 
 import { assetMetaDataMap } from '../data/asset_meta_data_map';
@@ -57,11 +58,19 @@ export const reducer = (state: State = INITIAL_STATE, action: Action): State =>
                 selectedAssetAmount: action.data,
             };
         case ActionTypes.UPDATE_LATEST_BUY_QUOTE:
-            return {
-                ...state,
-                latestBuyQuote: action.data,
-                quoteRequestState: AsyncProcessState.SUCCESS,
-            };
+            const newBuyQuoteIfExists = action.data;
+            const shouldUpdate =
+                _.isUndefined(newBuyQuoteIfExists) || doesBuyQuoteMatchState(newBuyQuoteIfExists, state);
+            if (shouldUpdate) {
+                return {
+                    ...state,
+                    latestBuyQuote: newBuyQuoteIfExists,
+                    quoteRequestState: AsyncProcessState.SUCCESS,
+                };
+            } else {
+                return state;
+            }
+
         case ActionTypes.SET_QUOTE_REQUEST_STATE_PENDING:
             return {
                 ...state,
@@ -122,3 +131,29 @@ export const reducer = (state: State = INITIAL_STATE, action: Action): State =>
             return state;
     }
 };
+
+const doesBuyQuoteMatchState = (buyQuote: BuyQuote, state: State): boolean => {
+    const selectedAssetIfExists = state.selectedAsset;
+    const selectedAssetAmountIfExists = state.selectedAssetAmount;
+    // if no selectedAsset or selectedAssetAmount exists on the current state, return false
+    if (_.isUndefined(selectedAssetIfExists) || _.isUndefined(selectedAssetAmountIfExists)) {
+        return false;
+    }
+    // if buyQuote's assetData does not match that of the current selected asset, return false
+    if (selectedAssetIfExists.assetData !== buyQuote.assetData) {
+        return false;
+    }
+    // if ERC20 and buyQuote's assetBuyAmount does not match selectedAssetAmount, return false
+    // if ERC721, return true
+    const selectedAssetMetaData = selectedAssetIfExists.metaData;
+    if (selectedAssetMetaData.assetProxyId === AssetProxyId.ERC20) {
+        const selectedAssetAmountBaseUnits = Web3Wrapper.toBaseUnitAmount(
+            selectedAssetAmountIfExists,
+            selectedAssetMetaData.decimals,
+        );
+        const doesAssetAmountMatch = selectedAssetAmountBaseUnits.eq(buyQuote.assetBuyAmount);
+        return doesAssetAmountMatch;
+    } else {
+        return true;
+    }
+};
diff --git a/packages/json-schemas/package.json b/packages/json-schemas/package.json
index 97cf607c1..57715c601 100644
--- a/packages/json-schemas/package.json
+++ b/packages/json-schemas/package.json
@@ -10,7 +10,7 @@
     "scripts": {
         "build": "tsc -b",
         "build:ci": "yarn build",
-        "lint": "tslint --project . --exclude **/schemas/**/*",
+        "lint": "tslint --format stylish --project . --exclude **/schemas/**/*",
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s clean build test",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
diff --git a/packages/metacoin/package.json b/packages/metacoin/package.json
index 04bdeba4c..e3432c010 100644
--- a/packages/metacoin/package.json
+++ b/packages/metacoin/package.json
@@ -7,7 +7,7 @@
     "private": true,
     "description": "Example solidity project using 0x dev tools",
     "scripts": {
-        "lint": "tslint --project . --exclude **/src/contract_wrappers/**/*",
+        "lint": "tslint --format stylish --project . --exclude **/src/contract_wrappers/**/*",
         "build": "yarn pre_build && tsc -b",
         "build:ci": "yarn build",
         "pre_build": "run-s compile generate_contract_wrappers copy_artifacts",
diff --git a/packages/migrations/package.json b/packages/migrations/package.json
index 353697bfc..b610d3c6a 100644
--- a/packages/migrations/package.json
+++ b/packages/migrations/package.json
@@ -11,7 +11,7 @@
         "build": "tsc -b",
         "build:ci": "yarn build",
         "clean": "shx rm -rf lib",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "migrate:v2": "run-s build script:migrate:v2",
         "script:migrate:v2": "node ./lib/migrate.js --contracts-version 2.0.0"
     },
diff --git a/packages/monorepo-scripts/package.json b/packages/monorepo-scripts/package.json
index ba5f9ca6a..a83f90516 100644
--- a/packages/monorepo-scripts/package.json
+++ b/packages/monorepo-scripts/package.json
@@ -11,7 +11,7 @@
     "scripts": {
         "build": "tsc -b",
         "build:ci": "yarn build",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "clean": "shx rm -rf lib",
         "test:publish": "run-s build script:publish",
         "find_unused_deps": "run-s build script:find_unused_deps",
diff --git a/packages/order-utils/package.json b/packages/order-utils/package.json
index 69f14a79e..a6a84b940 100644
--- a/packages/order-utils/package.json
+++ b/packages/order-utils/package.json
@@ -17,7 +17,7 @@
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
         "clean": "shx rm -rf lib generated_docs",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "docs:json": "typedoc --excludePrivate --excludeExternals --target ES5 --tsconfig typedoc-tsconfig.json --json $JSON_FILE_PATH $PROJECT_FILES"
     },
     "config": {
diff --git a/packages/order-watcher/package.json b/packages/order-watcher/package.json
index acc70544e..42e3f572c 100644
--- a/packages/order-watcher/package.json
+++ b/packages/order-watcher/package.json
@@ -14,7 +14,7 @@
     "scripts": {
         "build": "yarn tsc -b",
         "build:ci": "yarn build",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "test:circleci": "run-s test:coverage",
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s build test",
diff --git a/packages/react-docs/package.json b/packages/react-docs/package.json
index d3ccfa8da..e234b0479 100644
--- a/packages/react-docs/package.json
+++ b/packages/react-docs/package.json
@@ -8,7 +8,7 @@
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
     "scripts": {
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "build": "tsc -b",
         "build:ci": "yarn build",
         "clean": "shx rm -rf lib"
diff --git a/packages/react-shared/package.json b/packages/react-shared/package.json
index 7a150bf35..45220e2d2 100644
--- a/packages/react-shared/package.json
+++ b/packages/react-shared/package.json
@@ -8,7 +8,7 @@
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
     "scripts": {
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "build": "tsc",
         "build:ci": "yarn build",
         "watch_without_deps": "tsc -w",
diff --git a/packages/sol-compiler/package.json b/packages/sol-compiler/package.json
index 4c4370b1f..17ccb50b8 100644
--- a/packages/sol-compiler/package.json
+++ b/packages/sol-compiler/package.json
@@ -19,7 +19,7 @@
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
         "clean": "shx rm -rf lib generated_docs",
         "migrate": "npm run build; node lib/src/cli.js migrate",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "test:circleci": "yarn test:coverage",
         "docs:json": "typedoc --excludePrivate --excludeExternals --target ES5 --tsconfig typedoc-tsconfig.json --json $JSON_FILE_PATH $PROJECT_FILES"
     },
diff --git a/packages/sol-cov/package.json b/packages/sol-cov/package.json
index a56713d69..09119321d 100644
--- a/packages/sol-cov/package.json
+++ b/packages/sol-cov/package.json
@@ -11,7 +11,7 @@
         "build": "yarn pre_build && tsc -b",
         "build:ci": "yarn build",
         "pre_build": "run-s copy_test_fixtures",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "test": "run-s compile_test run_mocha",
         "rebuild_and_test": "run-s clean build test",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
diff --git a/packages/sol-doc/package.json b/packages/sol-doc/package.json
index de10b9e17..b1e887fa5 100644
--- a/packages/sol-doc/package.json
+++ b/packages/sol-doc/package.json
@@ -11,7 +11,7 @@
         "test:circleci": "yarn test:coverage",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
-        "lint": "tslint --project . --format stylish",
+        "lint": "tslint --format stylish --project .",
         "clean": "shx rm -rf lib",
         "generate-v1-protocol-docs": "(cd ../contracts/src/1.0.0; node ../../../../node_modules/.bin/sol-doc --contracts-dir . --contracts Exchange/Exchange_v1.sol TokenRegistry/TokenRegistry.sol TokenTransferProxy/TokenTransferProxy_v1.sol) > v1.0.0.json",
         "generate-v2-protocol-docs": "(cd ../contracts/src/2.0.0; node ../../../../node_modules/.bin/sol-doc --contracts-dir . --contracts Exchange/Exchange.sol AssetProxy/ERC20Proxy.sol AssetProxy/ERC721Proxy.sol OrderValidator/OrderValidator.sol Forwarder/Forwarder.sol  AssetProxyOwner/AssetProxyOwner.sol) > v2.0.0.json",
diff --git a/packages/sol-resolver/package.json b/packages/sol-resolver/package.json
index 4bd63f406..4d4d0be0e 100644
--- a/packages/sol-resolver/package.json
+++ b/packages/sol-resolver/package.json
@@ -11,7 +11,7 @@
         "build": "tsc -b",
         "build:ci": "yarn build",
         "clean": "shx rm -rf lib",
-        "lint": "tslint --project ."
+        "lint": "tslint --format stylish --project ."
     },
     "repository": {
         "type": "git",
diff --git a/packages/sra-spec/package.json b/packages/sra-spec/package.json
index 0c55465d7..2d3e7decd 100644
--- a/packages/sra-spec/package.json
+++ b/packages/sra-spec/package.json
@@ -10,7 +10,7 @@
     "scripts": {
         "serve": "redoc-cli serve lib/api.json --watch",
         "watch_without_deps": "run-p build:watch serve",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "test": "swagger-cli validate lib/api.json",
         "rebuild_and_test": "run-s clean build test",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
diff --git a/packages/subproviders/package.json b/packages/subproviders/package.json
index 4eef09fe6..32e2bae24 100644
--- a/packages/subproviders/package.json
+++ b/packages/subproviders/package.json
@@ -11,7 +11,7 @@
         "build": "tsc -b",
         "build:ci": "yarn build",
         "clean": "shx rm -rf lib generated_docs",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "run_mocha_unit": "mocha --require source-map-support/register --require make-promises-safe lib/test/unit/**/*_test.js --timeout 10000 --bail --exit",
         "run_mocha_integration": "mocha --require source-map-support/register --require make-promises-safe lib/test/integration/**/*_test.js --timeout 10000 --bail --exit",
         "test": "npm run test:unit",
diff --git a/packages/testnet-faucets/package.json b/packages/testnet-faucets/package.json
index e683ae25a..53f1b95df 100644
--- a/packages/testnet-faucets/package.json
+++ b/packages/testnet-faucets/package.json
@@ -12,7 +12,7 @@
         "build:ci": "yarn build",
         "dev": "node ../../node_modules/gulp/bin/gulp.js run",
         "start": "node ./server/server.js",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "clean": "shx rm -rf server"
     },
     "author": "Fabio Berger",
diff --git a/packages/tslint-config/package.json b/packages/tslint-config/package.json
index 0a8c1b245..a235532fb 100644
--- a/packages/tslint-config/package.json
+++ b/packages/tslint-config/package.json
@@ -10,7 +10,7 @@
         "build": "tsc -b",
         "build:ci": "yarn build",
         "clean": "shx rm -rf lib",
-        "lint": "tslint --project ."
+        "lint": "tslint --format stylish --project ."
     },
     "repository": {
         "type": "git",
diff --git a/packages/types/package.json b/packages/types/package.json
index fdd68a486..9b3ae6701 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -11,7 +11,7 @@
         "build": "tsc -b",
         "build:ci": "yarn build",
         "clean": "shx rm -rf lib",
-        "lint": "tslint --project ."
+        "lint": "tslint --format stylish --project ."
     },
     "license": "Apache-2.0",
     "repository": {
diff --git a/packages/utils/package.json b/packages/utils/package.json
index f89cfda17..4e0df9275 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -11,7 +11,7 @@
         "build": "tsc -b",
         "build:ci": "yarn build",
         "clean": "shx rm -rf lib",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "test": "yarn run_mocha",
         "test:circleci": "yarn test:coverage",
         "run_mocha": "mocha --require source-map-support/register --require make-promises-safe lib/test/**/*_test.js --bail --exit",
diff --git a/packages/web3-wrapper/package.json b/packages/web3-wrapper/package.json
index 579957747..e95245df8 100644
--- a/packages/web3-wrapper/package.json
+++ b/packages/web3-wrapper/package.json
@@ -11,7 +11,7 @@
         "build": "tsc -b",
         "build:ci": "yarn build",
         "clean": "shx rm -rf lib generated_docs",
-        "lint": "tslint --project .",
+        "lint": "tslint --format stylish --project .",
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s clean build test",
         "test:circleci": "yarn test:coverage",
diff --git a/packages/website/package.json b/packages/website/package.json
index 771b1b908..efb97d309 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -10,7 +10,7 @@
         "build": "node --max_old_space_size=8192 ../../node_modules/.bin/webpack --mode production",
         "build:dev": "../../node_modules/.bin/webpack --mode development",
         "clean": "shx rm -f public/bundle*",
-        "lint": "tslint --project . 'ts/**/*.ts' 'ts/**/*.tsx'",
+        "lint": "tslint --format stylish --project . 'ts/**/*.ts' 'ts/**/*.tsx'",
         "dev": "webpack-dev-server --mode development --content-base public --https",
         "deploy_dogfood": "npm run build; aws s3 sync ./public/. s3://dogfood.0xproject.com --profile 0xproject --region us-east-1 --grants read=uri=http://acs.amazonaws.com/groups/global/AllUsers",
         "deploy_staging": "npm run build; aws s3 sync ./public/. s3://staging-0xproject --profile 0xproject --region us-east-1 --grants read=uri=http://acs.amazonaws.com/groups/global/AllUsers",