1 files changed, 10 insertions, 4 deletions
diff --git a/packages/contracts/src/utils/token_registry_wrapper.ts b/packages/contracts/src/utils/token_registry_wrapper.ts
index 86daeca62..240c06fdc 100644
--- a/packages/contracts/src/utils/token_registry_wrapper.ts
+++ b/packages/contracts/src/utils/token_registry_wrapper.ts
@@ -1,16 +1,21 @@
-import * as Web3 from 'web3';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import { Provider } from 'ethereum-types';
 
 import { TokenRegistryContract } from '../contract_wrappers/generated/token_registry';
 
 import { Token } from './types';
 
+import { constants } from './constants';
+
 export class TokenRegWrapper {
     private _tokenReg: TokenRegistryContract;
-    constructor(tokenRegContract: TokenRegistryContract) {
+    private _web3Wrapper: Web3Wrapper;
+    constructor(tokenRegContract: TokenRegistryContract, provider: Provider) {
         this._tokenReg = tokenRegContract;
+        this._web3Wrapper = new Web3Wrapper(provider);
     }
     public async addTokenAsync(token: Token, from: string): Promise<string> {
-        const tx = this._tokenReg.addToken.sendTransactionAsync(
+        const txHash = await this._tokenReg.addToken.sendTransactionAsync(
             token.address as string,
             token.name,
             token.symbol,
@@ -19,7 +24,8 @@ export class TokenRegWrapper {
             token.swarmHash,
             { from },
         );
-        return tx;
+        await this._web3Wrapper.awaitTransactionSuccessAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
+        return txHash;
     }
     public async getTokenMetaDataAsync(tokenAddress: string): Promise<Token> {
         const data = await this._tokenReg.getTokenMetaData.callAsync(tokenAddress);