Fix linter issue

7 files changed, 7 insertions, 9 deletions

diff --git a/packages/contract-wrappers/src/contract_wrappers.ts b/packages/contract-wrappers/src/contract_wrappers.ts
index 4272cc943..89402029b 100644
--- a/packages/contract-wrappers/src/contract_wrappers.ts
+++ b/packages/contract-wrappers/src/contract_wrappers.ts
@@ -58,7 +58,7 @@ export class ContractWrappers {
      */
     public orderValidator: OrderValidatorWrapper;
 
-    private _web3Wrapper: Web3Wrapper;
+    private readonly _web3Wrapper: Web3Wrapper;
     /**
      * Instantiates a new ContractWrappers instance.
      * @param   provider    The Provider instance you would like the 0x.js library to use for interacting with
diff --git a/packages/contract-wrappers/src/fetchers/order_filled_cancelled_fetcher.ts b/packages/contract-wrappers/src/fetchers/order_filled_cancelled_fetcher.ts
index ba6f5fb5e..7a252aed3 100644
--- a/packages/contract-wrappers/src/fetchers/order_filled_cancelled_fetcher.ts
+++ b/packages/contract-wrappers/src/fetchers/order_filled_cancelled_fetcher.ts
@@ -3,7 +3,6 @@ import { AbstractOrderFilledCancelledFetcher } from '@0xproject/order-utils';
 import { BigNumber } from '@0xproject/utils';
 import { BlockParamLiteral } from 'ethereum-types';
 
-import { ERC20TokenWrapper } from '../contract_wrappers/erc20_token_wrapper';
 import { ExchangeWrapper } from '../contract_wrappers/exchange_wrapper';
 
 export class OrderFilledCancelledFetcher implements AbstractOrderFilledCancelledFetcher {
diff --git a/packages/contract-wrappers/src/utils/assert.ts b/packages/contract-wrappers/src/utils/assert.ts
index bed833b8f..30726c546 100644
--- a/packages/contract-wrappers/src/utils/assert.ts
+++ b/packages/contract-wrappers/src/utils/assert.ts
@@ -1,7 +1,7 @@
 import { assert as sharedAssert } from '@0xproject/assert';
 // HACK: We need those two unused imports because they're actually used by sharedAssert which gets injected here
 import { Schema } from '@0xproject/json-schemas'; // tslint:disable-line:no-unused-variable
-import { signatureUtils, assetDataUtils } from '@0xproject/order-utils';
+import { assetDataUtils, signatureUtils } from '@0xproject/order-utils';
 import { Order } from '@0xproject/types'; // tslint:disable-line:no-unused-variable
 import { BigNumber } from '@0xproject/utils'; // tslint:disable-line:no-unused-variable
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
diff --git a/packages/contract-wrappers/src/utils/decorators.ts b/packages/contract-wrappers/src/utils/decorators.ts
index d6bf6ec1e..e17246015 100644
--- a/packages/contract-wrappers/src/utils/decorators.ts
+++ b/packages/contract-wrappers/src/utils/decorators.ts
@@ -1,4 +1,3 @@
-import { RevertReason } from '@0xproject/types';
 import * as _ from 'lodash';
 
 import { AsyncMethod, ContractWrappersError, SyncMethod } from '../types';
@@ -46,7 +45,7 @@ const asyncErrorHandlerFactory = (errorTransformer: ErrorTransformer) => {
         // tslint:disable-next-line:only-arrow-functions
         descriptor.value = async function(...args: any[]): Promise<any> {
             try {
-                const result = await originalMethod.apply(this, args);
+                const result = await originalMethod.apply(this, args); // tslint:disable-line:no-invalid-this
                 return result;
             } catch (error) {
                 const transformedError = errorTransformer(error);
@@ -73,7 +72,7 @@ const syncErrorHandlerFactory = (errorTransformer: ErrorTransformer) => {
         // tslint:disable-next-line:only-arrow-functions
         descriptor.value = function(...args: any[]): any {
             try {
-                const result = originalMethod.apply(this, args);
+                const result = originalMethod.apply(this, args); // tslint:disable-line:no-invalid-this
                 return result;
             } catch (error) {
                 const transformedError = errorTransformer(error);
diff --git a/packages/contract-wrappers/src/utils/exchange_transfer_simulator.ts b/packages/contract-wrappers/src/utils/exchange_transfer_simulator.ts
index 279f2a796..a7c4a238f 100644
--- a/packages/contract-wrappers/src/utils/exchange_transfer_simulator.ts
+++ b/packages/contract-wrappers/src/utils/exchange_transfer_simulator.ts
@@ -34,7 +34,7 @@ const ERR_MSG_MAPPING = {
 };
 
 export class ExchangeTransferSimulator {
-    private _store: AbstractBalanceAndProxyAllowanceLazyStore;
+    private readonly _store: AbstractBalanceAndProxyAllowanceLazyStore;
     private static _throwValidationError(
         failureReason: FailureReason,
         tradeSide: TradeSide,
diff --git a/packages/contract-wrappers/src/utils/filter_utils.ts b/packages/contract-wrappers/src/utils/filter_utils.ts
index 0e73987f7..c05be062c 100644
--- a/packages/contract-wrappers/src/utils/filter_utils.ts
+++ b/packages/contract-wrappers/src/utils/filter_utils.ts
@@ -1,4 +1,4 @@
-import { ConstructorAbi, ContractAbi, EventAbi, FallbackAbi, FilterObject, LogEntry, MethodAbi } from 'ethereum-types';
+import { ContractAbi, EventAbi, FilterObject, LogEntry } from 'ethereum-types';
 import * as ethUtil from 'ethereumjs-util';
 import * as jsSHA3 from 'js-sha3';
 import * as _ from 'lodash';
diff --git a/packages/contract-wrappers/src/utils/transaction_encoder.ts b/packages/contract-wrappers/src/utils/transaction_encoder.ts
index 8821079dc..87cbb43fd 100644
--- a/packages/contract-wrappers/src/utils/transaction_encoder.ts
+++ b/packages/contract-wrappers/src/utils/transaction_encoder.ts
@@ -23,7 +23,7 @@ const EIP712_ZEROEX_TRANSACTION_SCHEMA: EIP712Schema = {
  * can submit this to the blockchain. The Exchange context executes as if UserA had directly submitted this transaction.
  */
 export class TransactionEncoder {
-    private _exchangeInstance: ExchangeContract;
+    private readonly _exchangeInstance: ExchangeContract;
     constructor(exchangeInstance: ExchangeContract) {
         this._exchangeInstance = exchangeInstance;
     }