From c09772e634571926e67e9fcafb49c4b883b88918 Mon Sep 17 00:00:00 2001
From: Ricardo Guilherme Schmidt <3esmit@gmail.com>
Date: Tue, 20 Mar 2018 22:29:37 -0300
Subject: [PATCH] additional redundant security check

---
 contracts/identity/Identity.sol | 1 +
 1 file changed, 1 insertion(+)

diff --git a/contracts/identity/Identity.sol b/contracts/identity/Identity.sol
index 33334d2..0b6ff3c 100644
--- a/contracts/identity/Identity.sol
+++ b/contracts/identity/Identity.sol
@@ -419,6 +419,7 @@ contract Identity is ERC725, ERC735 {
     function _constructIdentity(address _manager)
         internal 
     {
+        require(keysByPurpose[MANAGEMENT_KEY].length == 0);
         require(minimumApprovalsByKeyPurpose[MANAGEMENT_KEY] == 0);
         _addKey(bytes32(_manager), MANAGEMENT_KEY, 0);