diff --git a/contracts/exchange/test/utils/constants.ts b/contracts/exchange/test/utils/constants.ts
new file mode 100644
index 0000000000..30a5081685
--- /dev/null
+++ b/contracts/exchange/test/utils/constants.ts
@@ -0,0 +1,35 @@
+import { ExchangeFunctionName } from './types';
+
+export const constants = {
+    FUNCTIONS_WITH_MUTEX: [
+        'FILL_ORDER',
+        'FILL_OR_KILL_ORDER',
+        'BATCH_FILL_ORDERS',
+        'BATCH_FILL_OR_KILL_ORDERS',
+        'MARKET_BUY_ORDERS',
+        'MARKET_SELL_ORDERS',
+        'MATCH_ORDERS',
+        'CANCEL_ORDER',
+        'BATCH_CANCEL_ORDERS',
+        'CANCEL_ORDERS_UP_TO',
+        'PRE_SIGN',
+        'SET_SIGNATURE_VALIDATOR_APPROVAL',
+        'SET_ORDER_VALIDATOR_APPROVAL',
+    ],
+    SINGLE_FILL_FN_NAMES: [
+        ExchangeFunctionName.FillOrder,
+        ExchangeFunctionName.FillOrKillOrder,
+        ExchangeFunctionName.FillOrderNoThrow,
+    ],
+    BATCH_FILL_FN_NAMES: [
+        ExchangeFunctionName.BatchFillOrders,
+        ExchangeFunctionName.BatchFillOrKillOrders,
+        ExchangeFunctionName.BatchFillOrdersNoThrow,
+    ],
+    MARKET_FILL_FN_NAMES: [
+        ExchangeFunctionName.MarketBuyOrders,
+        ExchangeFunctionName.MarketBuyOrdersNoThrow,
+        ExchangeFunctionName.MarketSellOrders,
+        ExchangeFunctionName.MarketSellOrdersNoThrow,
+    ],
+};
diff --git a/contracts/test-utils/src/exchange_data_encoder.ts b/contracts/exchange/test/utils/exchange_data_encoder.ts
similarity index 50%
rename from contracts/test-utils/src/exchange_data_encoder.ts
rename to contracts/exchange/test/utils/exchange_data_encoder.ts
index b6e9815e76..51a6945b6e 100644
--- a/contracts/test-utils/src/exchange_data_encoder.ts
+++ b/contracts/exchange/test/utils/exchange_data_encoder.ts
@@ -1,44 +1,56 @@
-import { IExchangeContract } from '@0x/contracts-exchange';
-import { constants as devConstants, provider } from '@0x/contracts-test-utils';
+import { constants, provider } from '@0x/contracts-test-utils';
+import { orderHashUtils } from '@0x/order-utils';
 import { SignedOrder } from '@0x/types';
 
-import { constants, provider } from './index';
+import { constants as exchangeConstants, ExchangeFunctionName, IExchangeContract } from '../../src';
 
 export const exchangeDataEncoder = {
     encodeOrdersToExchangeData(fnName: string, orders: SignedOrder[] = []): string {
-        const exchangeInstance = new IExchangeContract(devConstants.NULL_ADDRESS, provider);
+        const exchangeInstance = new IExchangeContract(constants.NULL_ADDRESS, provider);
         let data;
-        if (constants.SINGLE_FILL_FN_NAMES.indexOf(fnName) !== -1) {
+        if (exchangeConstants.SINGLE_FILL_FN_NAMES.indexOf(fnName) !== -1) {
             data = (exchangeInstance as any)[fnName].getABIEncodedTransactionData(
                 orders[0],
                 orders[0].takerAssetAmount,
                 orders[0].signature,
             );
-        } else if (constants.BATCH_FILL_FN_NAMES.indexOf(fnName) !== -1) {
+        } else if (exchangeConstants.BATCH_FILL_FN_NAMES.indexOf(fnName) !== -1) {
             data = (exchangeInstance as any)[fnName].getABIEncodedTransactionData(
                 orders,
                 orders.map(order => order.takerAssetAmount),
                 orders.map(order => order.signature),
             );
-        } else if (constants.MARKET_FILL_FN_NAMES.indexOf(fnName) !== -1) {
+        } else if (exchangeConstants.MARKET_FILL_FN_NAMES.indexOf(fnName) !== -1) {
             data = (exchangeInstance as any)[fnName].getABIEncodedTransactionData(
                 orders,
                 orders.map(order => order.takerAssetAmount).reduce((prev, curr) => prev.plus(curr)),
                 orders.map(order => order.signature),
             );
-        } else if (fnName === constants.MATCH_ORDERS) {
+        } else if (fnName === ExchangeFunctionName.MatchOrders) {
             data = exchangeInstance.matchOrders.getABIEncodedTransactionData(
                 orders[0],
                 orders[1],
                 orders[0].signature,
                 orders[1].signature,
             );
-        } else if (fnName === constants.CANCEL_ORDER) {
+        } else if (fnName === ExchangeFunctionName.CancelOrder) {
             data = exchangeInstance.cancelOrder.getABIEncodedTransactionData(orders[0]);
-        } else if (fnName === constants.BATCH_CANCEL_ORDERS) {
+        } else if (fnName === ExchangeFunctionName.BatchCancelOrders) {
             data = exchangeInstance.batchCancelOrders.getABIEncodedTransactionData(orders);
-        } else if (fnName === constants.CANCEL_ORDERS_UP_TO) {
+        } else if (fnName === ExchangeFunctionName.CancelOrdersUpTo) {
             data = exchangeInstance.cancelOrdersUpTo.getABIEncodedTransactionData(constants.ZERO_AMOUNT);
+        } else if (fnName === ExchangeFunctionName.PreSign) {
+            data = exchangeInstance.preSign.getABIEncodedTransactionData(orderHashUtils.getOrderHashHex(orders[0]));
+        } else if (fnName === ExchangeFunctionName.SetSignatureValidatorApproval) {
+            data = exchangeInstance.setSignatureValidatorApproval.getABIEncodedTransactionData(
+                constants.NULL_ADDRESS,
+                true,
+            );
+        } else if (fnName === ExchangeFunctionName.SetOrderValidatorApproval) {
+            // data = exchangeInstance.setOrderValidatorApproval.getABIEncodedTransactionData(
+            //     constants.NULL_ADDRESS,
+            //     true,
+            // );
         } else {
             throw new Error(`Error: ${fnName} not a supported function`);
         }
diff --git a/contracts/exchange/test/utils/index.ts b/contracts/exchange/test/utils/index.ts
index d88a382668..d481d4b669 100644
--- a/contracts/exchange/test/utils/index.ts
+++ b/contracts/exchange/test/utils/index.ts
@@ -1,3 +1,6 @@
 export * from './exchange_wrapper';
 export * from './fill_order_combinatorial_utils';
 export * from './match_order_tester';
+export * from './exchange_data_encoder';
+export * from './types';
+export * from './constants';
diff --git a/contracts/exchange/test/utils/types.ts b/contracts/exchange/test/utils/types.ts
index 5f12635a71..d1dc3d6b15 100644
--- a/contracts/exchange/test/utils/types.ts
+++ b/contracts/exchange/test/utils/types.ts
@@ -6,3 +6,23 @@ export interface AbiDecodedFillOrderData {
     takerAssetFillAmount: BigNumber;
     signature: string;
 }
+
+export enum ExchangeFunctionName {
+    FillOrder = 'fillOrder',
+    FillOrKillOrder = 'fillOrKillOrder',
+    FillOrderNoThrow = 'fillOrderNoThrow',
+    BatchFillOrders = 'batchFillOrders',
+    BatchFillOrKillOrders = 'batchFillOrKillOrders',
+    BatchFillOrdersNoThrow = 'batchFillOrdersNoThrow',
+    MarketBuyOrders = 'marketBuyOrders',
+    MarketBuyOrdersNoThrow = 'marketBuyOrdersNoThrow',
+    MarketSellOrders = 'marketSellOrders',
+    MarketSellOrdersNoThrow = 'marketSellOrdersNoThrow',
+    MatchOrders = 'matchOrders',
+    CancelOrder = 'cancelOrder',
+    BatchCancelOrders = 'batchCancelOrders',
+    CancelOrdersUpTo = 'cancelOrdersUpTo',
+    PreSign = 'preSign',
+    SetSignatureValidatorApproval = 'setSignatureValidatorApproval',
+    SetOrderValidatorApproval = 'setOrderValidatorApproval',
+}
diff --git a/contracts/test-utils/src/constants.ts b/contracts/test-utils/src/constants.ts
index f003583623..0c5d590a5e 100644
--- a/contracts/test-utils/src/constants.ts
+++ b/contracts/test-utils/src/constants.ts
@@ -57,26 +57,5 @@ export const constants = {
     WORD_LENGTH: 32,
     ZERO_AMOUNT: new BigNumber(0),
     PERCENTAGE_DENOMINATOR: new BigNumber(10).pow(18),
-    FUNCTIONS_WITH_MUTEX: [
-        'FILL_ORDER',
-        'FILL_OR_KILL_ORDER',
-        'BATCH_FILL_ORDERS',
-        'BATCH_FILL_OR_KILL_ORDERS',
-        'MARKET_BUY_ORDERS',
-        'MARKET_SELL_ORDERS',
-        'MATCH_ORDERS',
-        'CANCEL_ORDER',
-        'BATCH_CANCEL_ORDERS',
-        'CANCEL_ORDERS_UP_TO',
-        'SET_SIGNATURE_VALIDATOR_APPROVAL',
-    ],
-    KECCAK256_NULL: ethUtil.addHexPrefix(ethUtil.bufferToHex(ethUtil.SHA3_NULL)),
-    SINGLE_FILL_FN_NAMES: ['fillOrder', 'fillOrKillOrder', 'fillOrderNoThrow'],
-    BATCH_FILL_FN_NAMES: ['batchFillOrders', 'batchFillOrKillOrders', 'batchFillOrdersNoThrow'],
-    MARKET_FILL_FN_NAMES: ['marketBuyOrders', 'marketBuyOrdersNoThrow', 'marketSellOrders', 'marketSellOrdersNoThrow'],
-    MATCH_ORDERS: 'matchOrders',
-    CANCEL_ORDER: 'cancelOrder',
-    BATCH_CANCEL_ORDERS: 'batchCancelOrders',
-    CANCEL_ORDERS_UP_TO: 'cancelOrdersUpTo',
     TIME_BUFFER: new BigNumber(1000),
 };
diff --git a/contracts/test-utils/src/index.ts b/contracts/test-utils/src/index.ts
index 0087cfb6b3..c12a71bfda 100644
--- a/contracts/test-utils/src/index.ts
+++ b/contracts/test-utils/src/index.ts
@@ -28,7 +28,6 @@ export { OrderFactory } from './order_factory';
 export { bytes32Values, testCombinatoriallyWithReferenceFuncAsync, uint256Values } from './combinatorial_utils';
 export { TransactionFactory } from './transaction_factory';
 export { testWithReferenceFuncAsync } from './test_with_reference';
-export { exchangeDataEncoder } from './exchange_data_encoder';
 export {
     MarketBuyOrders,
     MarketSellOrders,