1 files changed, 33 insertions, 0 deletions
diff --git a/contracts/utils/contracts/src/Ownable.sol b/contracts/utils/contracts/src/Ownable.sol
new file mode 100644
index 000000000..f67f241a4
--- /dev/null
+++ b/contracts/utils/contracts/src/Ownable.sol
@@ -0,0 +1,33 @@
+pragma solidity ^0.4.24;
+
+import "./interfaces/IOwnable.sol";
+
+
+contract Ownable is
+    IOwnable
+{
+    address public owner;
+
+    constructor ()
+        public
+    {
+        owner = msg.sender;
+    }
+
+    modifier onlyOwner() {
+        require(
+            msg.sender == owner,
+            "ONLY_CONTRACT_OWNER"
+        );
+        _;
+    }
+
+    function transferOwnership(address newOwner)
+        public
+        onlyOwner
+    {
+        if (newOwner != address(0)) {
+            owner = newOwner;
+        }
+    }
+}