1 files changed, 11 insertions, 7 deletions
diff --git a/packages/0x.js/src/fetchers/simple_order_filled_cancelled_fetcher.ts b/packages/0x.js/src/fetchers/simple_order_filled_cancelled_fetcher.ts
index e24f02726..1c8aec1a1 100644
--- a/packages/0x.js/src/fetchers/simple_order_filled_cancelled_fetcher.ts
+++ b/packages/0x.js/src/fetchers/simple_order_filled_cancelled_fetcher.ts
@@ -5,20 +5,24 @@ import {OrderFilledCancelledFetcher} from '../abstract/order_filled_cancelled_fe
 import {ExchangeWrapper} from '../contract_wrappers/exchange_wrapper';
 
 export class SimpleOrderFilledCancelledFetcher implements OrderFilledCancelledFetcher {
-    private _exchange: ExchangeWrapper;
-    constructor(exchange: ExchangeWrapper) {
-        this._exchange = exchange;
+    private _exchangeWrapper: ExchangeWrapper;
+    private _defaultBlock: BlockParamLiteral;
+    constructor(exchange: ExchangeWrapper, defaultBlock: BlockParamLiteral) {
+        this._exchangeWrapper = exchange;
+        this._defaultBlock = defaultBlock;
     }
     public async getFilledTakerAmountAsync(orderHash: string): Promise<BigNumber> {
         const methodOpts = {
-            defaultBlock: BlockParamLiteral.Pending,
+            defaultBlock: this._defaultBlock,
         };
-        return this._exchange.getFilledTakerAmountAsync(orderHash, methodOpts);
+        const filledTakerAmount = this._exchangeWrapper.getFilledTakerAmountAsync(orderHash, methodOpts);
+        return filledTakerAmount;
     }
     public async getCancelledTakerAmountAsync(orderHash: string): Promise<BigNumber> {
         const methodOpts = {
-            defaultBlock: BlockParamLiteral.Pending,
+            defaultBlock: this._defaultBlock,
         };
-        return this._exchange.getCancelledTakerAmountAsync(orderHash, methodOpts);
+        const cancelledTakerAmount = this._exchangeWrapper.getCancelledTakerAmountAsync(orderHash, methodOpts);
+        return cancelledTakerAmount;
     }
 }