Remove domain from Order type

contracts/extensions/test/balance_threshold_filter.ts

@@ -177,10 +177,8 @@ describe(ContractName.BalanceThresholdFilter, () => {
             makerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(100), DECIMALS_DEFAULT),
             takerFee: Web3Wrapper.toBaseUnitAmount(new BigNumber(150), DECIMALS_DEFAULT),
             senderAddress: erc721BalanceThresholdFilterInstance.address,
-            domain: {
-                verifyingContract: exchangeInstance.address,
-                chainId,
-            },
+            exchangeAddress: exchangeInstance.address,
+            chainId,
         };
         // Create two order factories with valid makers (who meet the threshold balance), and
         // one factory for an invalid address (that does not meet the threshold balance)

contracts/extensions/test/dutch_auction.ts

@@ -163,10 +163,8 @@ describe(ContractName.DutchAuction, () => {
             expirationTimeSeconds: auctionEndTimeSeconds,
             makerFee: constants.ZERO_AMOUNT,
             takerFee: constants.ZERO_AMOUNT,
-            domain: {
-                verifyingContract: exchangeInstance.address,
-                chainId,
-            },
+            exchangeAddress: exchangeInstance.address,
+            chainId,
         };
         // Default buy order is for the auction begin price
         const buyerDefaultOrderParams = {

contracts/extensions/test/order_matcher.ts

@@ -166,11 +166,6 @@ describe('OrderMatcher', () => {
             constants.AWAIT_TRANSACTION_MINED_MS,
         );
 
-        const domain = {
-            verifyingContract: exchange.address,
-            chainId,
-        };
-
         // Create default order parameters
         const defaultOrderParamsLeft = {
             ...constants.STATIC_ORDER_PARAMS,
@@ -180,7 +175,8 @@ describe('OrderMatcher', () => {
             feeRecipientAddress: feeRecipientAddressLeft,
             makerFee: constants.ZERO_AMOUNT,
             takerFee: constants.ZERO_AMOUNT,
-            domain,
+            exchangeAddress: exchange.address,
+            chainId,
         };
         const defaultOrderParamsRight = {
             ...constants.STATIC_ORDER_PARAMS,
@@ -190,7 +186,8 @@ describe('OrderMatcher', () => {
             feeRecipientAddress: feeRecipientAddressRight,
             makerFee: constants.ZERO_AMOUNT,
             takerFee: constants.ZERO_AMOUNT,
-            domain,
+            exchangeAddress: exchange.address,
+            chainId,
         };
         const privateKeyLeft = constants.TESTRPC_PRIVATE_KEYS[accounts.indexOf(makerAddressLeft)];
         orderFactoryLeft = new OrderFactory(privateKeyLeft, defaultOrderParamsLeft);