diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/coordinator.ts b/packages/abi-gen-wrappers/src/generated-wrappers/coordinator.ts
index 1d86697b3d..087b75cdd8 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/coordinator.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/coordinator.ts
@@ -182,6 +182,62 @@ export class CoordinatorContract extends BaseContract {
             return abiEncodedTransactionData;
         },
     };
+    public getTransactionHash = {
+        async callAsync(
+            transaction: {salt: BigNumber;signerAddress: string;data: string},
+            callData: Partial<CallData> = {},
+            defaultBlock?: BlockParam,
+        ): Promise<string
+        > {
+            const self = this as any as CoordinatorContract;
+            const encodedData = self._strictEncodeArguments('getTransactionHash((uint256,address,bytes))', [transaction
+        ]);
+            const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
+                {
+                    to: self.address,
+                    ...callData,
+                    data: encodedData,
+                },
+                self._web3Wrapper.getContractDefaults(),
+            );
+            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
+            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
+            const abiEncoder = self._lookupAbiEncoder('getTransactionHash((uint256,address,bytes))');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<string
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
+        },
+    };
+    public getCoordinatorApprovalHash = {
+        async callAsync(
+            approval: {txOrigin: string;transactionHash: string;transactionSignature: string;approvalExpirationTimeSeconds: BigNumber},
+            callData: Partial<CallData> = {},
+            defaultBlock?: BlockParam,
+        ): Promise<string
+        > {
+            const self = this as any as CoordinatorContract;
+            const encodedData = self._strictEncodeArguments('getCoordinatorApprovalHash((address,bytes32,bytes,uint256))', [approval
+        ]);
+            const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
+                {
+                    to: self.address,
+                    ...callData,
+                    data: encodedData,
+                },
+                self._web3Wrapper.getContractDefaults(),
+            );
+            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
+            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
+            const abiEncoder = self._lookupAbiEncoder('getCoordinatorApprovalHash((address,bytes32,bytes,uint256))');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<string
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
+        },
+    };
     public executeTransaction = {
         async sendTransactionAsync(
             transaction: { salt: BigNumber; signerAddress: string; data: string },
@@ -419,6 +475,32 @@ export class CoordinatorContract extends BaseContract {
             return abiEncodedTransactionData;
         },
     };
+    public EIP712_EXCHANGE_DOMAIN_HASH = {
+        async callAsync(
+            callData: Partial<CallData> = {},
+            defaultBlock?: BlockParam,
+        ): Promise<string
+        > {
+            const self = this as any as CoordinatorContract;
+            const encodedData = self._strictEncodeArguments('EIP712_EXCHANGE_DOMAIN_HASH()', []);
+            const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
+                {
+                    to: self.address,
+                    ...callData,
+                    data: encodedData,
+                },
+                self._web3Wrapper.getContractDefaults(),
+            );
+            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
+            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
+            const abiEncoder = self._lookupAbiEncoder('EIP712_EXCHANGE_DOMAIN_HASH()');
+            // tslint:disable boolean-naming
+            const result = abiEncoder.strictDecodeReturnValue<string
+        >(rawCallResult);
+            // tslint:enable boolean-naming
+            return result;
+        },
+    };
     public assertValidCoordinatorApprovals = {
         async callAsync(
             transaction: { salt: BigNumber; signerAddress: string; data: string },
diff --git a/packages/abi-gen-wrappers/src/generated-wrappers/exchange.ts b/packages/abi-gen-wrappers/src/generated-wrappers/exchange.ts
index 485bc8c1dd..ee3aa0dcbb 100644
--- a/packages/abi-gen-wrappers/src/generated-wrappers/exchange.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/exchange.ts
@@ -4559,7 +4559,8 @@ export class ExchangeContract extends BaseContract {
         artifact: ContractArtifact | SimpleContractArtifact,
         supportedProvider: SupportedProvider,
         txDefaults: Partial<TxData>,
-        _zrxAssetData: string,
+            _zrxAssetData: string,
+            _chainId: BigNumber,
     ): Promise<ExchangeContract> {
         assert.doesConformToSchema('txDefaults', txDefaults, schemas.txDataSchema, [
             schemas.addressSchema,
@@ -4572,14 +4573,17 @@ export class ExchangeContract extends BaseContract {
         const provider = providerUtils.standardizeOrThrow(supportedProvider);
         const bytecode = artifact.compilerOutput.evm.bytecode.object;
         const abi = artifact.compilerOutput.abi;
-        return ExchangeContract.deployAsync(bytecode, abi, provider, txDefaults, _zrxAssetData);
+        return ExchangeContract.deployAsync(bytecode, abi, provider, txDefaults, _zrxAssetData,
+_chainId
+);
     }
     public static async deployAsync(
         bytecode: string,
         abi: ContractAbi,
         supportedProvider: SupportedProvider,
         txDefaults: Partial<TxData>,
-        _zrxAssetData: string,
+            _zrxAssetData: string,
+            _chainId: BigNumber,
     ): Promise<ExchangeContract> {
         assert.isHexString('bytecode', bytecode);
         assert.doesConformToSchema('txDefaults', txDefaults, schemas.txDataSchema, [
@@ -4589,14 +4593,20 @@ export class ExchangeContract extends BaseContract {
         ]);
         const provider = providerUtils.standardizeOrThrow(supportedProvider);
         const constructorAbi = BaseContract._lookupConstructorAbi(abi);
-        [_zrxAssetData] = BaseContract._formatABIDataItemList(
+        [_zrxAssetData,
+_chainId
+] = BaseContract._formatABIDataItemList(
             constructorAbi.inputs,
-            [_zrxAssetData],
+            [_zrxAssetData,
+_chainId
+],
             BaseContract._bigNumberToString,
         );
         const iface = new ethers.utils.Interface(abi);
         const deployInfo = iface.deployFunction;
-        const txData = deployInfo.encode(bytecode, [_zrxAssetData]);
+        const txData = deployInfo.encode(bytecode, [_zrxAssetData,
+_chainId
+]);
         const web3Wrapper = new Web3Wrapper(provider);
         const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
             { data: txData },
@@ -4607,8 +4617,10 @@ export class ExchangeContract extends BaseContract {
         logUtils.log(`transactionHash: ${txHash}`);
         const txReceipt = await web3Wrapper.awaitTransactionSuccessAsync(txHash);
         logUtils.log(`Exchange successfully deployed at ${txReceipt.contractAddress}`);
-        const contractInstance = new ExchangeContract(txReceipt.contractAddress as string, provider, txDefaults);
-        contractInstance.constructorArgs = [_zrxAssetData];
+        const contractInstance = new ExchangeContract(abi, txReceipt.contractAddress as string, provider, txDefaults);
+        contractInstance.constructorArgs = [_zrxAssetData,
+_chainId
+];
         return contractInstance;
     }