From a458153098d6f66ee0c6f990f31b3646ad171bbb Mon Sep 17 00:00:00 2001
From: Martin Holst Swende <martin@swende.se>
Date: Sat, 16 Feb 2019 16:16:12 +0100
Subject: trie: fix error in node decoding (#19111)

---
 trie/encoding.go | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'trie/encoding.go')

diff --git a/trie/encoding.go b/trie/encoding.go
index 5f120de63..1955a3e66 100644
--- a/trie/encoding.go
+++ b/trie/encoding.go
@@ -52,6 +52,9 @@ func hexToCompact(hex []byte) []byte {
 }
 
 func compactToHex(compact []byte) []byte {
+	if len(compact) == 0 {
+		return compact
+	}
 	base := keybytesToHex(compact)
 	// delete terminator flag
 	if base[0] < 2 {
-- 
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