Introduce OrderState interface

src/types.ts

@@ -480,15 +480,19 @@ export enum TransferType {
     Fee = 'fee',
 }
 
+export interface OrderState {
+    makerBalance: BigNumber;
+    makerProxyAllowance: BigNumber;
+    makerFeeBalance: BigNumber;
+    makerFeeProxyAllowance: BigNumber;
+    filledMakerTokenAmount: BigNumber;
+    cancelledMakerTokenAmount: BigNumber;
+}
+
 export interface OrderStateValid {
     isValid: true;
     orderHash: string;
-    makerBalance: BigNumber;
-    makerAllowance: BigNumber;
-    makerFeeBalance: BigNumber;
-    makerFeeAllowance: BigNumber;
-    filledMakerTokenAmount: BigNumber;
-    cancelledMakerTokenAmount: BigNumber;
+    orderState: OrderState;
 }
 
 export interface OrderStateInvalid {

test/order_watcher_test.ts

@@ -36,7 +36,7 @@ describe('EventWatcher', () => {
         stubs = [];
         orderStateWatcher.unsubscribe();
     });
-    it.only('', (done: DoneCallback) => {
-        orderStateWatcher.subscribe(console.log);
-    }).timeout(1000000000000);
+    it.skip('TODO', () => {
+        // TODO
+    });
 });