diff --git a/ProxyLogics/default.sol b/ProxyLogics/default.sol
new file mode 100644
index 0000000..d5f22b0
--- /dev/null
+++ b/ProxyLogics/default.sol
@@ -0,0 +1,35 @@
+pragma solidity ^0.4.23;
+
+
+interface IERC20 {
+    function transfer(address to, uint256 value) external returns (bool);
+}
+
+interface ICDP {
+    function give(bytes32 cup, address guy) external;
+}
+
+contract ProxyTest {
+
+    event LogTransferETH(address dest, uint amount);
+    event LogTransferERC20(address token, address dest, uint amount);
+    event LogTransferCDP(address dest, uint num);
+
+    function transferETH(address dest, uint amount) public payable {
+        dest.transfer(amount);
+        emit LogTransferETH(dest, amount);
+    }
+
+    function transferERC20(address tokenAddr, address dest, address amount) public {
+        IERC20 tkn = IERC20(tokenAddr);
+        tkn.transfer(dest, amount);
+        emit LogTransferERC20(tokenAddr, dest, amount);
+    }
+
+    function transferCDP(address tub, address dest, uint num) public {
+        ICDP loanMaster = ICDP(tub);
+        loanMaster.give(bytes32(num), dest);
+        emit LogTransferCDP(dest, num);
+    }
+
+}
\ No newline at end of file
diff --git a/ProxyLogics/sendETH.sol b/ProxyLogics/sendETH.sol
deleted file mode 100644
index 38ea87f..0000000
--- a/ProxyLogics/sendETH.sol
+++ /dev/null
@@ -1,13 +0,0 @@
-pragma solidity ^0.4.23;
-
-
-contract ProxyTest {
-
-    event ETHSent(uint amt);
-
-    function sendETH() public payable {
-        address(msg.sender).transfer(msg.value);
-        emit ETHSent(msg.value);
-    }
-
-}
\ No newline at end of file