1 files changed, 5 insertions, 1 deletions
diff --git a/src/0x.ts b/src/0x.ts
index 1f66e73b6..80a58abf2 100644
--- a/src/0x.ts
+++ b/src/0x.ts
@@ -15,6 +15,7 @@ import {TokenRegistryWrapper} from './contract_wrappers/token_registry_wrapper';
 import {EtherTokenWrapper} from './contract_wrappers/ether_token_wrapper';
 import {ecSignatureSchema} from './schemas/ec_signature_schema';
 import {TokenWrapper} from './contract_wrappers/token_wrapper';
+import {ProxyWrapper} from './contract_wrappers/proxy_wrapper';
 import {ECSignature, ZeroExError, Order, SignedOrder, Web3Provider} from './types';
 import {orderSchema} from './schemas/order_schemas';
 
@@ -51,6 +52,7 @@ export class ZeroEx {
      * wrapped ETH ERC20 token smart contract.
      */
     public etherToken: EtherTokenWrapper;
+    private _proxy: ProxyWrapper;
     private _web3Wrapper: Web3Wrapper;
     /**
      * Verifies that the elliptic curve signature `signature` was generated
@@ -148,7 +150,8 @@ export class ZeroEx {
     constructor(provider: Web3Provider) {
         this._web3Wrapper = new Web3Wrapper(provider);
         this.token = new TokenWrapper(this._web3Wrapper);
-        this.exchange = new ExchangeWrapper(this._web3Wrapper, this.token);
+        this._proxy = new ProxyWrapper(this._web3Wrapper);
+        this.exchange = new ExchangeWrapper(this._web3Wrapper, this.token, this._proxy);
         this.tokenRegistry = new TokenRegistryWrapper(this._web3Wrapper);
         this.etherToken = new EtherTokenWrapper(this._web3Wrapper, this.token);
     }
@@ -162,6 +165,7 @@ export class ZeroEx {
         await this.exchange.invalidateContractInstanceAsync();
         this.tokenRegistry.invalidateContractInstance();
         this.token.invalidateContractInstances();
+        this._proxy.invalidateContractInstance();
     }
     /**
      * Get user Ethereum addresses available through the supplied web3 instance available for sending transactions.