From ccbf041b2a38552286e479cd87bf0fb4d22b1097 Mon Sep 17 00:00:00 2001
From: Kieran <kieran@harkin.me>
Date: Tue, 10 Jan 2023 11:19:52 +0000
Subject: [PATCH] Bug fix #22

---
 src/Util.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Util.js b/src/Util.js
index 7096b794..737e3d60 100644
--- a/src/Util.js
+++ b/src/Util.js
@@ -58,6 +58,10 @@ export function eventLink(hex) {
  * @param {string} hex
  */
 export function hexToBech32(hrp, hex) {
+    if (typeof hex !== "string" || hex.length === 0 || hex.length % 2 != 0) {
+        return null;
+    }
+
     let buf = secp.utils.hexToBytes(hex);
     return bech32.encode(hrp, bech32.toWords(buf));
 }