From 1bb83c68662383499502679c8711019339816ada Mon Sep 17 00:00:00 2001
From: theSatvik <satvikshrivas26@gmail.com>
Date: Mon, 30 Aug 2021 16:05:57 +0530
Subject: [PATCH] added hash based methods

---
 .../tree/merkle-tree/MerkleTree.js              | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/data-structures/tree/merkle-tree/MerkleTree.js b/src/data-structures/tree/merkle-tree/MerkleTree.js
index ce4efba3..e504b763 100644
--- a/src/data-structures/tree/merkle-tree/MerkleTree.js
+++ b/src/data-structures/tree/merkle-tree/MerkleTree.js
@@ -70,6 +70,23 @@ class MerkleTree {
         // Set the final hash as root
         this.root = currentRow[0]
     }
+    inputHash(node) {
+        return this.hashBase(node, this.option.inputHash)
+    }
+
+    hash(node) {
+        return this.hashBase(node, this.option.hash)
+    }
+
+    hashBase(node, method = this.option.hash) {
+        node = this._toString(node)
+        if (method && (typeof method === 'function')) {
+            return method(node)
+        }
+        const hash = crypto.createHash(method)
+        return hash.update(node, 'utf8').digest('hex')
+    }
+
 
 }