1 files changed, 14 insertions, 8 deletions

diff --git a/src/contract_wrappers/ether_token_wrapper.ts b/src/contract_wrappers/ether_token_wrapper.ts
index 3c282510f..b86309f90 100644
--- a/src/contract_wrappers/ether_token_wrapper.ts
+++ b/src/contract_wrappers/ether_token_wrapper.ts
@@ -4,7 +4,7 @@ import {ContractWrapper} from './contract_wrapper';
 import {TokenWrapper} from './token_wrapper';
 import {EtherTokenContract, ZeroExError} from '../types';
 import {assert} from '../utils/assert';
-import * as EtherTokenArtifacts from '../artifacts/EtherToken.json';
+import {artifacts} from '../artifacts';
 
 /**
  * This class includes all the functionality related to interacting with a wrapped Ether ERC20 token contract.
@@ -13,8 +13,8 @@ import * as EtherTokenArtifacts from '../artifacts/EtherToken.json';
 export class EtherTokenWrapper extends ContractWrapper {
     private _etherTokenContractIfExists?: EtherTokenContract;
     private _tokenWrapper: TokenWrapper;
-    constructor(web3Wrapper: Web3Wrapper, tokenWrapper: TokenWrapper, gasPrice?: BigNumber.BigNumber) {
-        super(web3Wrapper, gasPrice);
+    constructor(web3Wrapper: Web3Wrapper, tokenWrapper: TokenWrapper) {
+        super(web3Wrapper);
         this._tokenWrapper = tokenWrapper;
     }
     /**
@@ -23,8 +23,9 @@ export class EtherTokenWrapper extends ContractWrapper {
      * for ETH.
      * @param   amountInWei      Amount of ETH in Wei the caller wishes to deposit.
      * @param   depositor   The hex encoded user Ethereum address that would like to make the deposit.
+     * @return Transaction hash.
      */
-    public async depositAsync(amountInWei: BigNumber.BigNumber, depositor: string): Promise<void> {
+    public async depositAsync(amountInWei: BigNumber.BigNumber, depositor: string): Promise<string> {
         assert.isBigNumber('amountInWei', amountInWei);
         await assert.isSenderAddressAsync('depositor', depositor, this._web3Wrapper);
 
@@ -32,18 +33,20 @@ export class EtherTokenWrapper extends ContractWrapper {
         assert.assert(ethBalanceInWei.gte(amountInWei), ZeroExError.InsufficientEthBalanceForDeposit);
 
         const wethContract = await this._getEtherTokenContractAsync();
-        await wethContract.deposit({
+        const txHash = await wethContract.deposit.sendTransactionAsync({
             from: depositor,
             value: amountInWei,
         });
+        return txHash;
     }
     /**
      * Withdraw ETH to the withdrawer's address from the wrapped ETH smart contract in exchange for the
      * equivalent number of wrapped ETH tokens.
      * @param   amountInWei  Amount of ETH in Wei the caller wishes to withdraw.
      * @param   withdrawer   The hex encoded user Ethereum address that would like to make the withdrawl.
+     * @return Transaction hash.
      */
-    public async withdrawAsync(amountInWei: BigNumber.BigNumber, withdrawer: string): Promise<void> {
+    public async withdrawAsync(amountInWei: BigNumber.BigNumber, withdrawer: string): Promise<string> {
         assert.isBigNumber('amountInWei', amountInWei);
         await assert.isSenderAddressAsync('withdrawer', withdrawer, this._web3Wrapper);
 
@@ -52,9 +55,10 @@ export class EtherTokenWrapper extends ContractWrapper {
         assert.assert(WETHBalanceInBaseUnits.gte(amountInWei), ZeroExError.InsufficientWEthBalanceForWithdrawal);
 
         const wethContract = await this._getEtherTokenContractAsync();
-        await wethContract.withdraw(amountInWei, {
+        const txHash = await wethContract.withdraw.sendTransactionAsync(amountInWei, {
             from: withdrawer,
         });
+        return txHash;
     }
     /**
      * Retrieves the Wrapped Ether token contract address
@@ -71,7 +75,9 @@ export class EtherTokenWrapper extends ContractWrapper {
         if (!_.isUndefined(this._etherTokenContractIfExists)) {
             return this._etherTokenContractIfExists;
         }
-        const contractInstance = await this._instantiateContractIfExistsAsync((EtherTokenArtifacts as any));
+        const contractInstance = await this._instantiateContractIfExistsAsync<EtherTokenContract>(
+            artifacts.EtherTokenArtifact,
+        );
         this._etherTokenContractIfExists = contractInstance as EtherTokenContract;
         return this._etherTokenContractIfExists;
     }