1 files changed, 8 insertions, 7 deletions
diff --git a/packages/contracts/src/utils/exchange_wrapper.ts b/packages/contracts/src/utils/exchange_wrapper.ts
index 46531fa3f..0d0977ab8 100644
--- a/packages/contracts/src/utils/exchange_wrapper.ts
+++ b/packages/contracts/src/utils/exchange_wrapper.ts
@@ -1,5 +1,6 @@
-import { TransactionReceiptWithDecodedLogs, ZeroEx } from '0x.js';
+import { Provider, TransactionReceiptWithDecodedLogs } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 import * as Web3 from 'web3';
 
@@ -13,11 +14,11 @@ import { AssetProxyId, OrderInfo, SignedOrder, SignedTransaction } from './types
 
 export class ExchangeWrapper {
     private _exchange: ExchangeContract;
+    private _web3Wrapper: Web3Wrapper;
     private _logDecoder: LogDecoder = new LogDecoder(constants.TESTRPC_NETWORK_ID);
-    private _zeroEx: ZeroEx;
-    constructor(exchangeContract: ExchangeContract, zeroEx: ZeroEx) {
+    constructor(exchangeContract: ExchangeContract, provider: Provider) {
         this._exchange = exchangeContract;
-        this._zeroEx = zeroEx;
+        this._web3Wrapper = new Web3Wrapper(provider);
     }
     public async fillOrderAsync(
         signedOrder: SignedOrder,
@@ -196,7 +197,7 @@ export class ExchangeWrapper {
         opts: { oldAssetProxyAddressIfExists?: string } = {},
     ): Promise<TransactionReceiptWithDecodedLogs> {
         const oldAssetProxyAddress = _.isUndefined(opts.oldAssetProxyAddressIfExists)
-            ? ZeroEx.NULL_ADDRESS
+            ? constants.NULL_ADDRESS
             : opts.oldAssetProxyAddressIfExists;
         const txHash = await this._exchange.registerAssetProxy.sendTransactionAsync(
             assetProxyId,
@@ -245,8 +246,8 @@ export class ExchangeWrapper {
         const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
         return tx;
     }
-    private async _getTxWithDecodedExchangeLogsAsync(txHash: string) {
-        const tx = await this._zeroEx.awaitTransactionMinedAsync(txHash);
+    private async _getTxWithDecodedExchangeLogsAsync(txHash: string): Promise<TransactionReceiptWithDecodedLogs> {
+        const tx = await this._web3Wrapper.awaitTransactionMinedAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
         tx.logs = _.filter(tx.logs, log => log.address === this._exchange.address);
         tx.logs = _.map(tx.logs, log => this._logDecoder.decodeLogOrThrow(log));
         return tx;