trie: fix error in node decoding (#19111)

2019-02-16 16:16:12 +01:00
parent 5b8ae7885e
commit 4f85c2b88b
2 changed files with 16 additions and 0 deletions
--- 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 {