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
  ...

7 files changed, 34 insertions, 32 deletions

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';