From ec01edd0d79b69f62d634b8305e2015fb5733524 Mon Sep 17 00:00:00 2001
From: sanchaymittal <sanchaymittal@gmail.com>
Date: Tue, 16 May 2023 11:06:22 +0900
Subject: [PATCH] fix: handle empty chainData cases.

---
 packages/utils/src/peripherals/chainData.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/utils/src/peripherals/chainData.ts b/packages/utils/src/peripherals/chainData.ts
index a5041deed0..907214fc47 100644
--- a/packages/utils/src/peripherals/chainData.ts
+++ b/packages/utils/src/peripherals/chainData.ts
@@ -101,11 +101,13 @@ export const getChainData = async (): Promise<Map<string, ChainData>> => {
   const url = "https://chaindata.connext.ninja";
   try {
     const data = await fetchJson(url);
+    if (!data) throw new Error("No chain data found");
     return chainDataToMap(data);
   } catch (err: unknown) {
     const url = "https://raw.githubusercontent.com/connext/chaindata/main/crossChain.json";
     try {
       const data = await fetchJson(url);
+      if (!data) throw new Error("No chain data found");
       return chainDataToMap(data);
     } catch (err: unknown) {
       // Check to see if we have the chain data cached locally.