Move TradeSide and TransferType types to contract-exchange package

contracts/exchange/test/utils/exchange_transfer_simulator.ts

@@ -1,10 +1,11 @@
 import { DevUtilsContract } from '@0x/contracts-dev-utils';
 import { constants } from '@0x/contracts-test-utils';
-import { SupportedProvider, TradeSide, TransferType } from '@0x/order-utils';
+import { SupportedProvider} from '@0x/order-utils';
 import { AssetProxyId, ExchangeContractErrs } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 
 import { AbstractBalanceAndProxyAllowanceLazyStore } from './abstract/abstract_balance_and_proxy_allowance_lazy_store';
+import { TradeSide, TransferType } from './types';
 
 enum FailureReason {
     Balance = 'balance',

contracts/exchange/test/utils/fill_order_simulator.ts

@@ -2,8 +2,6 @@ import { constants, orderUtils } from '@0x/contracts-test-utils';
 import {
     Order,
     SupportedProvider,
-    TradeSide,
-    TransferType,
 } from '@0x/order-utils';
 import { FillResults } from '@0x/types';
 import { BigNumber } from '@0x/utils';
@@ -13,6 +11,10 @@ import {
     AbstractBalanceAndProxyAllowanceLazyStore as LazyStore,
 } from './abstract/abstract_balance_and_proxy_allowance_lazy_store';
 import { ExchangeTransferSimulator } from './exchange_transfer_simulator';
+import {
+    TradeSide,
+    TransferType,
+} from './types';
 
 export enum FillOrderError {
     OrderUnfillable = 'ORDER_UNFILLABLE',

contracts/exchange/test/utils/types.ts

@@ -36,3 +36,13 @@ export enum ExchangeFunctionName {
     SetProtocolFeeCollectorAddress = 'setProtocolFeeCollectorAddress',
     DetachProtocolFeeCollector = 'detachProtocolFeeCollector',
 }
+
+export enum TradeSide {
+    Maker = 'maker',
+    Taker = 'taker',
+}
+
+export enum TransferType {
+    Trade = 'trade',
+    Fee = 'fee',
+}