From 26be46573ee7e0094f19d861fd29793adda6298e Mon Sep 17 00:00:00 2001
From: NikVolf <nikvolf@gmail.com>
Date: Thu, 28 Nov 2019 10:31:16 +0300
Subject: [PATCH] add hash of the node method

---
 src/node_data.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/node_data.rs b/src/node_data.rs
index ac545e2..0e972f9 100644
--- a/src/node_data.rs
+++ b/src/node_data.rs
@@ -193,6 +193,14 @@ impl NodeData {
         let mut cursor = std::io::Cursor::new(buf);
         Self::read(consensus_branch_id, &mut cursor)
     }
+
+    pub fn hash(&self) -> [u8; 32] {
+        let mut buf = [0u8; 32];
+
+        let bytes = self.to_bytes();
+
+        blake2b_personal(&personalization(self.consensus_branch_id), &bytes)
+    }
 }
 
 #[cfg(test)]