Update file structure

1 files changed, 38 insertions, 0 deletions

diff --git a/packages/contracts/src/2.0.0/utils/Ownable/Ownable.sol b/packages/contracts/src/2.0.0/utils/Ownable/Ownable.sol
new file mode 100644
index 000000000..6f5761cc7
--- /dev/null
+++ b/packages/contracts/src/2.0.0/utils/Ownable/Ownable.sol
@@ -0,0 +1,38 @@
+pragma solidity ^0.4.24;
+pragma experimental ABIEncoderV2;
+
+/*
+ * Ownable
+ *
+ * Base contract with an owner.
+ * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.
+ */
+
+import "./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;
+        }
+    }
+}