Added default exit contract.

contracts/ProxyLogics/Static/Exit.sol

@@ -0,0 +1,52 @@
+pragma solidity ^0.5.0;
+
+interface IERC20 {
+    function transfer(address to, uint256 value) external returns (bool);
+    function balanceOf(address) external view returns (uint);
+}
+
+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(uint num, address dest);
+
+    /**
+     * @dev MakerDAO CDP engine address
+     */
+    function getSaiTubAddress() public pure returns (address sai) {
+        sai = 0x448a5065aeBB8E423F0896E6c5D525C040f59af3;
+    }
+
+    /**
+     * @dev withdrawing ETH
+     */
+    function transferETH(address payable dest) public payable {
+        dest.transfer(address(this).balance);
+        emit LogTransferETH(dest, address(this).balance);
+    }
+
+    /**
+     * @dev withdrawing ERC20
+     */
+    function transferERC20(address tokenAddr) public {
+        IERC20 tkn = IERC20(tokenAddr);
+        uint tknBal = tkn.balanceOf(address(this));
+        tkn.transfer(msg.sender, tknBal);
+        emit LogTransferERC20(tokenAddr, msg.sender, tknBal);
+    }
+
+    /**
+     * @dev withdrawing CDP
+     */
+    function transferCDP(uint num) public {
+        ICDP(getSaiTubAddress()).give(bytes32(num), msg.sender);
+        emit LogTransferCDP(num, msg.sender);
+    }
+
+}