From d4b98d1186ff50f7d8bfff7612d795285a365f6d Mon Sep 17 00:00:00 2001
From: Richard Ramos <info@richardramos.me>
Date: Wed, 28 Feb 2018 11:47:59 -0400
Subject: [PATCH] - Added event to inform of an identity instance upgrade -
 Added test units for Identity factory and its kernel upgrading

---
 contracts/deploy/UpdatableInstance.sol | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/contracts/deploy/UpdatableInstance.sol b/contracts/deploy/UpdatableInstance.sol
index 550df8d..60f6d0a 100644
--- a/contracts/deploy/UpdatableInstance.sol
+++ b/contracts/deploy/UpdatableInstance.sol
@@ -10,6 +10,8 @@ import "./Instance.sol";
  */
 contract UpdatableInstance is Instance {
 
+    event InstanceUpdated(address oldKernel, address newKernel);
+
     function UpdatableInstance(address _kernel) 
         Instance(_kernel) 
         public
@@ -19,6 +21,7 @@ contract UpdatableInstance is Instance {
     
     function updateUpdatableInstance(address _kernel) external {
         require(msg.sender == address(this));
+        InstanceUpdated(kernel, _kernel);
         kernel = _kernel;
     }