1 files changed, 14 insertions, 13 deletions
diff --git a/packages/contract-wrappers/src/contract_wrappers/ether_token_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/ether_token_wrapper.ts
index 526324abd..a6f2fd81e 100644
--- a/packages/contract-wrappers/src/contract_wrappers/ether_token_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/ether_token_wrapper.ts
@@ -1,4 +1,5 @@
-import { artifacts, wrappers } from '@0xproject/contracts';
+import { WETH9Contract, WETH9EventArgs, WETH9Events } from '@0xproject/abi-gen-wrappers';
+import { WETH9 } from '@0xproject/contract-artifacts';
 import { schemas } from '@0xproject/json-schemas';
 import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
@@ -18,9 +19,9 @@ const removeUndefinedProperties = _.pickBy;
  * The caller can convert ETH into the equivalent number of wrapped ETH ERC20 tokens and back.
  */
 export class EtherTokenWrapper extends ContractWrapper {
-    public abi: ContractAbi = artifacts.WETH9.compilerOutput.abi;
+    public abi: ContractAbi = WETH9.compilerOutput.abi;
     private _etherTokenContractsByAddress: {
-        [address: string]: wrappers.WETH9Contract;
+        [address: string]: WETH9Contract;
     } = {};
     private _erc20TokenWrapper: ERC20TokenWrapper;
     /**
@@ -120,15 +121,15 @@ export class EtherTokenWrapper extends ContractWrapper {
      *                              the value is the value you are interested in. E.g `{_owner: aUserAddressHex}`
      * @return  Array of logs that match the parameters
      */
-    public async getLogsAsync<ArgsType extends wrappers.WETH9EventArgs>(
+    public async getLogsAsync<ArgsType extends WETH9EventArgs>(
         etherTokenAddress: string,
-        eventName: wrappers.WETH9Events,
+        eventName: WETH9Events,
         blockRange: BlockRange,
         indexFilterValues: IndexedFilterValues,
     ): Promise<Array<LogWithDecodedArgs<ArgsType>>> {
         assert.isETHAddressHex('etherTokenAddress', etherTokenAddress);
         const normalizedEtherTokenAddress = etherTokenAddress.toLowerCase();
-        assert.doesBelongToStringEnum('eventName', eventName, wrappers.WETH9Events);
+        assert.doesBelongToStringEnum('eventName', eventName, WETH9Events);
         assert.doesConformToSchema('blockRange', blockRange, schemas.blockRangeSchema);
         assert.doesConformToSchema('indexFilterValues', indexFilterValues, schemas.indexFilterValuesSchema);
         const logs = await this._getLogsAsync<ArgsType>(
@@ -136,7 +137,7 @@ export class EtherTokenWrapper extends ContractWrapper {
             eventName,
             blockRange,
             indexFilterValues,
-            artifacts.WETH9.compilerOutput.abi,
+            WETH9.compilerOutput.abi,
         );
         return logs;
     }
@@ -150,23 +151,23 @@ export class EtherTokenWrapper extends ContractWrapper {
      * @param   isVerbose           Enable verbose subscription warnings (e.g recoverable network issues encountered)
      * @return Subscription token used later to unsubscribe
      */
-    public subscribe<ArgsType extends wrappers.WETH9EventArgs>(
+    public subscribe<ArgsType extends WETH9EventArgs>(
         etherTokenAddress: string,
-        eventName: wrappers.WETH9Events,
+        eventName: WETH9Events,
         indexFilterValues: IndexedFilterValues,
         callback: EventCallback<ArgsType>,
         isVerbose: boolean = false,
     ): string {
         assert.isETHAddressHex('etherTokenAddress', etherTokenAddress);
         const normalizedEtherTokenAddress = etherTokenAddress.toLowerCase();
-        assert.doesBelongToStringEnum('eventName', eventName, wrappers.WETH9Events);
+        assert.doesBelongToStringEnum('eventName', eventName, WETH9Events);
         assert.doesConformToSchema('indexFilterValues', indexFilterValues, schemas.indexFilterValuesSchema);
         assert.isFunction('callback', callback);
         const subscriptionToken = this._subscribe<ArgsType>(
             normalizedEtherTokenAddress,
             eventName,
             indexFilterValues,
-            artifacts.WETH9.compilerOutput.abi,
+            WETH9.compilerOutput.abi,
             callback,
             isVerbose,
         );
@@ -191,7 +192,7 @@ export class EtherTokenWrapper extends ContractWrapper {
         this.unsubscribeAll();
         this._etherTokenContractsByAddress = {};
     }
-    private async _getEtherTokenContractAsync(etherTokenAddress: string): Promise<wrappers.WETH9Contract> {
+    private async _getEtherTokenContractAsync(etherTokenAddress: string): Promise<WETH9Contract> {
         let etherTokenContract = this._etherTokenContractsByAddress[etherTokenAddress];
         if (!_.isUndefined(etherTokenContract)) {
             return etherTokenContract;
@@ -203,7 +204,7 @@ export class EtherTokenWrapper extends ContractWrapper {
         if (!doesContractExist) {
             throw new Error(ContractWrappersError.EtherTokenContractDoesNotExist);
         }
-        const contractInstance = new wrappers.WETH9Contract(
+        const contractInstance = new WETH9Contract(
             this.abi,
             etherTokenAddress,
             this._web3Wrapper.getProvider(),