From 73b9369abc8d5c7601e7ee79713b3c23764b5c1f Mon Sep 17 00:00:00 2001
From: poma <semenov.roma@gmail.com>
Date: Fri, 19 Mar 2021 22:15:58 +0300
Subject: [PATCH] remove redundant check, fixes CVF-18, CVF-19

---
 contracts/TornadoTrees.sol | 2 --
 1 file changed, 2 deletions(-)

diff --git a/contracts/TornadoTrees.sol b/contracts/TornadoTrees.sol
index 65b2c8e..5452b68 100644
--- a/contracts/TornadoTrees.sol
+++ b/contracts/TornadoTrees.sol
@@ -123,7 +123,6 @@ contract TornadoTrees is Initializable {
     TreeLeaf[CHUNK_SIZE] calldata _events
   ) public {
     uint256 offset = lastProcessedDepositLeaf;
-    require(_newRoot != previousDepositRoot, "Outdated deposit root");
     require(_currentRoot == depositRoot, "Proposed deposit root is invalid");
     require(_pathIndices == offset >> CHUNK_TREE_HEIGHT, "Incorrect deposit insert index");
 
@@ -168,7 +167,6 @@ contract TornadoTrees is Initializable {
     TreeLeaf[CHUNK_SIZE] calldata _events
   ) public {
     uint256 offset = lastProcessedWithdrawalLeaf;
-    require(_newRoot != previousWithdrawalRoot, "Outdated withdrawal root");
     require(_currentRoot == withdrawalRoot, "Proposed withdrawal root is invalid");
     require(_pathIndices == offset >> CHUNK_TREE_HEIGHT, "Incorrect withdrawal insert index");