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-rw-r--r--trie/database.go5
1 files changed, 5 insertions, 0 deletions
diff --git a/trie/database.go b/trie/database.go
index 739a98add..c39af85cf 100644
--- a/trie/database.go
+++ b/trie/database.go
@@ -17,6 +17,7 @@
package trie
import (
+ "errors"
"fmt"
"io"
"sync"
@@ -391,6 +392,10 @@ func (db *Database) node(hash common.Hash, cachegen uint16) node {
// Node retrieves an encoded cached trie node from memory. If it cannot be found
// cached, the method queries the persistent database for the content.
func (db *Database) Node(hash common.Hash) ([]byte, error) {
+ // It doens't make sense to retrieve the metaroot
+ if hash == (common.Hash{}) {
+ return nil, errors.New("not found")
+ }
// Retrieve the node from the clean cache if available
if db.cleans != nil {
if enc, err := db.cleans.Get(string(hash[:])); err == nil && enc != nil {