Update MerkleTree.cs

neo-project · Nov 7, 2019 · 0f8da75 · 0f8da75
1 parent d6c04cf
commit 0f8da75
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/neo/Cryptography/MerkleTree.cs b/neo/Cryptography/MerkleTree.cs
@@ -8,7 +8,7 @@ namespace Neo.Cryptography
 {
     public class MerkleTree
     {
-        private MerkleTreeNode root;
+        private readonly MerkleTreeNode root;
 
         public int Depth { get; private set; }