Merge branch 'development' into fix/mutatedInput

* development:
  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
  Fix typing generation for arrays in which types separated by |s

4 files changed, 14 insertions, 17 deletions

diff --git a/packages/utils/package.json b/packages/utils/package.json
index 729cd5f9f..815006170 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@0xproject/utils",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "description": "0x TS utils",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
@@ -19,7 +19,7 @@
   },
   "homepage": "https://github.com/0xProject/0x.js/packages/utils/README.md",
   "devDependencies": {
-    "@0xproject/tslint-config": "^0.3.0",
+    "@0xproject/tslint-config": "^0.4.0",
     "@types/lodash": "^4.14.86",
     "npm-run-all": "^4.1.2",
     "shx": "^0.2.2",
diff --git a/packages/utils/src/address_utils.ts b/packages/utils/src/address_utils.ts
index bdbcd3a89..f94985441 100644
--- a/packages/utils/src/address_utils.ts
+++ b/packages/utils/src/address_utils.ts
@@ -11,8 +11,10 @@ export const addressUtils = {
 
         for (let i = 0; i < 40; i++) {
             // The nth letter should be uppercase if the nth digit of casemap is 1
-            if ((parseInt(addressHash[i], 16) > 7 && unprefixedAddress[i].toUpperCase() !== unprefixedAddress[i]) ||
-                (parseInt(addressHash[i], 16) <= 7 && unprefixedAddress[i].toLowerCase() !== unprefixedAddress[i])) {
+            if (
+                (parseInt(addressHash[i], 16) > 7 && unprefixedAddress[i].toUpperCase() !== unprefixedAddress[i]) ||
+                (parseInt(addressHash[i], 16) <= 7 && unprefixedAddress[i].toLowerCase() !== unprefixedAddress[i])
+            ) {
                 return false;
             }
         }
diff --git a/packages/utils/src/index.ts b/packages/utils/src/index.ts
index 403bc7236..ca3219f10 100644
--- a/packages/utils/src/index.ts
+++ b/packages/utils/src/index.ts
@@ -1,5 +1,5 @@
-export {promisify} from './promisify';
-export {addressUtils} from './address_utils';
-export {classUtils} from './class_utils';
-export {intervalUtils} from './interval_utils';
-export {bigNumberConfigs} from './bignumber_config';
+export { promisify } from './promisify';
+export { addressUtils } from './address_utils';
+export { classUtils } from './class_utils';
+export { intervalUtils } from './interval_utils';
+export { bigNumberConfigs } from './bignumber_config';
diff --git a/packages/utils/src/promisify.ts b/packages/utils/src/promisify.ts
index c114cf32f..29d626b61 100644
--- a/packages/utils/src/promisify.ts
+++ b/packages/utils/src/promisify.ts
@@ -5,16 +5,11 @@ import * as _ from 'lodash';
  * Promisify provides a default callback of the form (error, result) and rejects when `error` is not null. You can also
  * supply thisArg object as the second argument which will be passed to `apply`.
  */
-export function promisify<T>(
-    originalFn: (
-        ...args: any[],
-        // HACK: This can't be properly typed without variadic kinds https://github.com/Microsoft/TypeScript/issues/5453
-    ) => void,
-    thisArg?: any,
-): (...callArgs: any[]) => Promise<T> {
+// HACK: This can't be properly typed without variadic kinds https://github.com/Microsoft/TypeScript/issues/5453
+export function promisify<T>(originalFn: (...args: any[]) => void, thisArg?: any): (...callArgs: any[]) => Promise<T> {
     const promisifiedFunction = async (...callArgs: any[]): Promise<T> => {
         return new Promise<T>((resolve, reject) => {
-            const callback = (err: Error|null, data?: T) => {
+            const callback = (err: Error | null, data?: T) => {
                 _.isNull(err) ? resolve(data) : reject(err);
             };
             originalFn.apply(thisArg, [...callArgs, callback]);