Fix tslint issues

5 files changed, 12 insertions, 12 deletions

diff --git a/packages/order-utils/src/exchange_transfer_simulator.ts b/packages/order-utils/src/exchange_transfer_simulator.ts
index 72ed85406..c3a4f9c2a 100644
--- a/packages/order-utils/src/exchange_transfer_simulator.ts
+++ b/packages/order-utils/src/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/order-utils/src/order_state_utils.ts b/packages/order-utils/src/order_state_utils.ts
index dd45a1298..189bf4180 100644
--- a/packages/order-utils/src/order_state_utils.ts
+++ b/packages/order-utils/src/order_state_utils.ts
@@ -27,8 +27,8 @@ interface SidedOrderRelevantState {
 const ACCEPTABLE_RELATIVE_ROUNDING_ERROR = 0.0001;
 
 export class OrderStateUtils {
-    private _balanceAndProxyAllowanceFetcher: AbstractBalanceAndProxyAllowanceFetcher;
-    private _orderFilledCancelledFetcher: AbstractOrderFilledCancelledFetcher;
+    private readonly _balanceAndProxyAllowanceFetcher: AbstractBalanceAndProxyAllowanceFetcher;
+    private readonly _orderFilledCancelledFetcher: AbstractOrderFilledCancelledFetcher;
     private static _validateIfOrderIsValid(
         signedOrder: SignedOrder,
         sidedOrderRelevantState: SidedOrderRelevantState,
diff --git a/packages/order-utils/src/order_validation_utils.ts b/packages/order-utils/src/order_validation_utils.ts
index 94df3ef82..67d747081 100644
--- a/packages/order-utils/src/order_validation_utils.ts
+++ b/packages/order-utils/src/order_validation_utils.ts
@@ -13,7 +13,7 @@ import { isValidSignatureAsync } from './signature_utils';
 import { utils } from './utils';
 
 export class OrderValidationUtils {
-    private _orderFilledCancelledFetcher: AbstractOrderFilledCancelledFetcher;
+    private readonly _orderFilledCancelledFetcher: AbstractOrderFilledCancelledFetcher;
     public static isRoundingError(numerator: BigNumber, denominator: BigNumber, target: BigNumber): boolean {
         // Solidity's mulmod() in JS
         // Source: https://solidity.readthedocs.io/en/latest/units-and-global-variables.html#mathematical-and-cryptographic-functions
diff --git a/packages/order-utils/src/remaining_fillable_calculator.ts b/packages/order-utils/src/remaining_fillable_calculator.ts
index 29e19e5ab..7022aa979 100644
--- a/packages/order-utils/src/remaining_fillable_calculator.ts
+++ b/packages/order-utils/src/remaining_fillable_calculator.ts
@@ -1,14 +1,14 @@
 import { BigNumber } from '@0xproject/utils';
 
 export class RemainingFillableCalculator {
-    private _isTraderAssetZRX: boolean;
+    private readonly _isTraderAssetZRX: boolean;
     // Transferrable Amount is the minimum of Approval and Balance
-    private _transferrableAssetAmount: BigNumber;
-    private _transferrableFeeAmount: BigNumber;
-    private _remainingOrderAssetAmount: BigNumber;
-    private _remainingOrderFeeAmount: BigNumber;
-    private _orderFee: BigNumber;
-    private _orderAssetAmount: BigNumber;
+    private readonly _transferrableAssetAmount: BigNumber;
+    private readonly _transferrableFeeAmount: BigNumber;
+    private readonly _remainingOrderAssetAmount: BigNumber;
+    private readonly _remainingOrderFeeAmount: BigNumber;
+    private readonly _orderFee: BigNumber;
+    private readonly _orderAssetAmount: BigNumber;
     constructor(
         orderFee: BigNumber,
         orderAssetAmount: BigNumber,
diff --git a/packages/order-utils/src/store/balance_and_proxy_allowance_lazy_store.ts b/packages/order-utils/src/store/balance_and_proxy_allowance_lazy_store.ts
index e7352119d..6d5a02adf 100644
--- a/packages/order-utils/src/store/balance_and_proxy_allowance_lazy_store.ts
+++ b/packages/order-utils/src/store/balance_and_proxy_allowance_lazy_store.ts
@@ -8,7 +8,7 @@ import { AbstractBalanceAndProxyAllowanceLazyStore } from '../abstract/abstract_
  * Copy on read store for balances/proxyAllowances of tokens/accounts
  */
 export class BalanceAndProxyAllowanceLazyStore implements AbstractBalanceAndProxyAllowanceLazyStore {
-    private _balanceAndProxyAllowanceFetcher: AbstractBalanceAndProxyAllowanceFetcher;
+    private readonly _balanceAndProxyAllowanceFetcher: AbstractBalanceAndProxyAllowanceFetcher;
     private _balance: {
         [assetData: string]: {
             [userAddress: string]: BigNumber;