From 084772ab3394444d0946823d92e1cae4faed2bf4 Mon Sep 17 00:00:00 2001
From: Bill He <bill@dydx.exchange>
Date: Fri, 1 Dec 2023 14:55:02 -0800
Subject: [PATCH] fix error

---
 src/lib/abacus/dydxChainTransactions.ts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/lib/abacus/dydxChainTransactions.ts b/src/lib/abacus/dydxChainTransactions.ts
index 0a7db20..70293ec 100644
--- a/src/lib/abacus/dydxChainTransactions.ts
+++ b/src/lib/abacus/dydxChainTransactions.ts
@@ -497,9 +497,11 @@ class DydxChainTransactions implements AbacusDYDXChainTransactionsProtocol {
           callback(JSON.stringify(parseDelegations));
           break;
         case QueryType.GetNobleBalance:
-          const nobleBalance = await this.nobleClient?.getAccountBalance('uusdc');
-          const parsedNobleBalance = this.parseToPrimitives(nobleBalance);
-          callback(JSON.stringify(parsedNobleBalance));
+          if (this.nobleClient?.isConnected) {
+            const nobleBalance = await this.nobleClient.getAccountBalance('uusdc');
+            const parsedNobleBalance = this.parseToPrimitives(nobleBalance);
+            callback(JSON.stringify(parsedNobleBalance));
+          }
           break;
         default:
           break;