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-rw-r--r--trie/secure_trie.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/trie/secure_trie.go b/trie/secure_trie.go
index f49547ed8..b9fa376b8 100644
--- a/trie/secure_trie.go
+++ b/trie/secure_trie.go
@@ -30,3 +30,7 @@ func (self *SecureTrie) Delete(key []byte) Node {
func (self *SecureTrie) DeleteString(key string) Node {
return self.Delete([]byte(key))
}
+
+func (self *SecureTrie) Copy() *SecureTrie {
+ return &SecureTrie{self.Trie.Copy()}
+}