From 996e9e9102dc3f7ebcd6328c59593410c397c779 Mon Sep 17 00:00:00 2001
From: Fabio Berger <me@fabioberger.com>
Date: Thu, 18 Jan 2018 15:02:36 +0800
Subject: Add missing onError callbacks

---
 packages/website/ts/blockchain.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'packages/website/ts/blockchain.ts')

diff --git a/packages/website/ts/blockchain.ts b/packages/website/ts/blockchain.ts
index 1320fbeb9..e82243c83 100644
--- a/packages/website/ts/blockchain.ts
+++ b/packages/website/ts/blockchain.ts
@@ -375,7 +375,11 @@ export class Blockchain {
                 clearInterval(this._zrxPollIntervalId);
                 delete this._zrxPollIntervalId;
             }
-        }, 5000);
+        }, 5000, (err: Error) => {
+            utils.consoleLog(`Polling tokenBalance failed: ${err}`);
+            clearInterval(this._zrxPollIntervalId);
+            delete this._zrxPollIntervalId;
+        });
     }
     public async signOrderHashAsync(orderHash: string): Promise<SignatureData> {
         utils.assert(!_.isUndefined(this._zeroEx), 'ZeroEx must be instantiated.');
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