3 files changed, 30 insertions, 5 deletions
diff --git a/packages/order-utils/src/index.ts b/packages/order-utils/src/index.ts
index 1f393b0c4..354299304 100644
--- a/packages/order-utils/src/index.ts
+++ b/packages/order-utils/src/index.ts
@@ -9,14 +9,16 @@ export { sortingUtils } from './sorting_utils';
 
 export { OrderStateUtils } from './order_state_utils';
 export { AbstractBalanceAndProxyAllowanceFetcher } from './abstract/abstract_balance_and_proxy_allowance_fetcher';
+export { AbstractBalanceAndProxyAllowanceLazyStore } from './abstract/abstract_balance_and_proxy_allowance_lazy_store';
 export { AbstractOrderFilledCancelledFetcher } from './abstract/abstract_order_filled_cancelled_fetcher';
+export { AbstractOrderFilledCancelledLazyStore } from './abstract/abstract_order_filled_cancelled_lazy_store';
 
 export { OrderValidationUtils } from './order_validation_utils';
 export { ExchangeTransferSimulator } from './exchange_transfer_simulator';
 export { BalanceAndProxyAllowanceLazyStore } from './store/balance_and_proxy_allowance_lazy_store';
 export { OrderFilledCancelledLazyStore } from './store/order_filled_cancelled_lazy_store';
 
-export { Provider } from 'ethereum-types';
+export { Provider, JSONRPCRequestPayload, JSONRPCErrorCallback, JSONRPCResponsePayload } from 'ethereum-types';
 export {
     SignedOrder,
     Order,
@@ -26,13 +28,21 @@ export {
     ERC20AssetData,
     ERC721AssetData,
     AssetProxyId,
+    SignerType,
+    SignatureType,
+    OrderStateValid,
+    OrderStateInvalid,
+    ExchangeContractErrs,
 } from '@0xproject/types';
 export {
-    CreateOrderOpts,
     OrderError,
     EIP712Parameter,
     EIP712Schema,
     EIP712Types,
     TradeSide,
     TransferType,
+    FindFeeOrdersThatCoverFeesForTargetOrdersOpts,
+    FindOrdersThatCoverMakerAssetFillAmountOpts,
+    FeeOrdersAndRemainingFeeAmount,
+    OrdersAndRemainingFillAmount,
 } from './types';
diff --git a/packages/order-utils/src/market_utils.ts b/packages/order-utils/src/market_utils.ts
index a0a827546..b3f302dd2 100644
--- a/packages/order-utils/src/market_utils.ts
+++ b/packages/order-utils/src/market_utils.ts
@@ -5,7 +5,12 @@ import * as _ from 'lodash';
 
 import { assert } from './assert';
 import { constants } from './constants';
-import { FindFeeOrdersThatCoverFeesForTargetOrdersOpts, FindOrdersThatCoverMakerAssetFillAmountOpts } from './types';
+import {
+    FindFeeOrdersThatCoverFeesForTargetOrdersOpts,
+    FindOrdersThatCoverMakerAssetFillAmountOpts,
+    FeeOrdersAndRemainingFeeAmount,
+    OrdersAndRemainingFillAmount,
+} from './types';
 
 export const marketUtils = {
     /**
@@ -22,7 +27,7 @@ export const marketUtils = {
         orders: T[],
         makerAssetFillAmount: BigNumber,
         opts?: FindOrdersThatCoverMakerAssetFillAmountOpts,
-    ): { resultOrders: T[]; remainingFillAmount: BigNumber } {
+    ): OrdersAndRemainingFillAmount<T> {
         assert.doesConformToSchema('orders', orders, schemas.ordersSchema);
         assert.isValidBaseUnitAmount('makerAssetFillAmount', makerAssetFillAmount);
         // try to get remainingFillableMakerAssetAmounts from opts, if it's not there, use makerAssetAmount values from orders
@@ -84,7 +89,7 @@ export const marketUtils = {
         orders: T[],
         feeOrders: T[],
         opts?: FindFeeOrdersThatCoverFeesForTargetOrdersOpts,
-    ): { resultOrders: T[]; remainingFeeAmount: BigNumber } {
+    ): FeeOrdersAndRemainingFeeAmount<T> {
         assert.doesConformToSchema('orders', orders, schemas.ordersSchema);
         assert.doesConformToSchema('feeOrders', feeOrders, schemas.ordersSchema);
         // try to get remainingFillableMakerAssetAmounts from opts, if it's not there, use makerAssetAmount values from orders
diff --git a/packages/order-utils/src/types.ts b/packages/order-utils/src/types.ts
index 2e9c79d80..4088805dc 100644
--- a/packages/order-utils/src/types.ts
+++ b/packages/order-utils/src/types.ts
@@ -69,3 +69,13 @@ export interface FindFeeOrdersThatCoverFeesForTargetOrdersOpts {
     remainingFillableFeeAmounts?: BigNumber[];
     slippageBufferAmount?: BigNumber;
 }
+
+export interface FeeOrdersAndRemainingFeeAmount<T> {
+    resultOrders: T[];
+    remainingFeeAmount: BigNumber;
+}
+
+export interface OrdersAndRemainingFillAmount<T> {
+    resultOrders: T[];
+    remainingFillAmount: BigNumber;
+}