From 5c9070f7dc02dd08de9fe030a901274bb740d72e Mon Sep 17 00:00:00 2001
From: Ricardo Guilherme Schmidt <3esmit@gmail.com>
Date: Wed, 28 Feb 2018 01:36:48 -0300
Subject: [PATCH] add upgradable instance factory and needed architecture

---
 contracts/identity/Identity.sol        |  1 +
 contracts/identity/IdentityFactory.sol | 32 ++++++++++++++++++++++++++
 contracts/identity/IdentityKernel.sol  | 13 +++++++++++
 3 files changed, 46 insertions(+)
 create mode 100644 contracts/identity/IdentityFactory.sol
 create mode 100644 contracts/identity/IdentityKernel.sol

diff --git a/contracts/identity/Identity.sol b/contracts/identity/Identity.sol
index 27e523f..de89f6d 100644
--- a/contracts/identity/Identity.sol
+++ b/contracts/identity/Identity.sol
@@ -134,6 +134,7 @@ contract Identity is ERC725, ERC735 {
         public 
         selfOnly
     {
+        require(_minimumApprovals > 0);
         minimumApprovalsByKeyType[_type] = _minimumApprovals;
     }
 
diff --git a/contracts/identity/IdentityFactory.sol b/contracts/identity/IdentityFactory.sol
new file mode 100644
index 0000000..6da2bf8
--- /dev/null
+++ b/contracts/identity/IdentityFactory.sol
@@ -0,0 +1,32 @@
+pragma solidity ^0.4.17;
+
+import "../deploy/Factory.sol";
+import "../deploy/UpdatableInstance.sol";
+import "./IdentityKernel.sol";
+
+contract IdentityFactory is Factory {
+
+    event IdentityCreated(address instance);
+
+    function IdentityFactory(bytes _infohash) 
+        Factory(new IdentityKernel(), _infohash)
+        public
+    {
+        
+    }
+
+    function createIdentity() 
+        external 
+    {
+        createIdentity(msg.sender);
+    }
+
+    function createIdentity(address _idOwner) 
+        public 
+    {
+        IdentityKernel instance = IdentityKernel(new UpdatableInstance(address(latestKernel)));
+        instance.initIdentity(_idOwner);
+        IdentityCreated(address(instance));
+    }
+
+}
diff --git a/contracts/identity/IdentityKernel.sol b/contracts/identity/IdentityKernel.sol
new file mode 100644
index 0000000..7966b8b
--- /dev/null
+++ b/contracts/identity/IdentityKernel.sol
@@ -0,0 +1,13 @@
+pragma solidity ^0.4.17;
+
+import "../deploy/InstanceStorage.sol";
+import "./Identity.sol";
+
+contract IdentityKernel is InstanceStorage, Identity {
+
+    function initIdentity(address _caller) external {
+        require(minimumApprovalsByKeyType[MANAGEMENT_KEY] == 0);
+        _addKey(bytes32(_caller), MANAGEMENT_KEY, 0);
+        minimumApprovalsByKeyType[MANAGEMENT_KEY] = 1;
+    }
+}