diff --git a/contracts/ProxyLogics/InstaCompound.sol b/contracts/ProxyLogics/InstaCompound.sol
index e5c3692..1cad898 100644
--- a/contracts/ProxyLogics/InstaCompound.sol
+++ b/contracts/ProxyLogics/InstaCompound.sol
@@ -1,6 +1,6 @@
-pragma solidity ^0.5.0;
+pragma solidity ^0.5.7;
 
-interface CTokenInterface {
+interface CERC20Interface {
     function mint(uint mintAmount) external returns (uint); // For ERC20
     function mint() external payable; // For ETH
     function redeem(uint redeemTokens) external returns (uint);
@@ -17,9 +17,65 @@ interface CTokenInterface {
     function totalBorrowsCurrent() external returns (uint);
     function borrowBalanceCurrent(address account) external returns (uint);
     function borrowRatePerBlock() external view returns (uint);
-    function totalSupply() external view returns (uint256);
-    function balanceOf(address owner) external view returns (uint256 balance);
     function supplyRatePerBlock() external view returns (uint);
     function totalReserves() external view returns (uint);
     function reserveFactorMantissa() external view returns (uint);
-}
\ No newline at end of file
+
+    function totalSupply() external view returns (uint256);
+    function balanceOf(address owner) external view returns (uint256 balance);
+    function allowance(address, address) external view returns (uint);
+    function approve(address, uint) external;
+    function transfer(address, uint) external returns (bool);
+    function transferFrom(address, address, uint) external returns (bool);
+}
+
+interface ERC20Interface {
+    function allowance(address, address) external view returns (uint);
+    function balanceOf(address) external view returns (uint);
+    function approve(address, uint) external;
+    function transfer(address, uint) external returns (bool);
+    function transferFrom(address, address, uint) external returns (bool);
+}
+
+interface ComptrollerInterface {
+    function enterMarkets(address[] calldata cTokens) external returns (uint[] memory);
+    function exitMarket(address cTokenAddress) external returns (uint);
+    function getAssetsIn(address account) external view returns (address[] memory);
+    function getAccountLiquidity(address account) external view returns (uint, uint, uint);
+}
+
+
+contract Helpers {
+
+    /**
+     * @dev get Compound Comptroller
+     */
+    function getComptrollerAddress() public pure returns (address troller) {
+        troller = 0x3d9819210A31b4961b30EF54bE2aeD79B9c9Cd3B;
+    }
+
+    // Need to check at the end
+    function exchangeRate(address cERC20) public returns (uint exchangeRateMantissa) {
+        CERC20Interface cToken = CERC20Interface(cERC20);
+        exchangeRateMantissa = cToken.exchangeRateCurrent();
+    }
+
+    function getCash(address cERC20) public view returns (uint cash) {
+        CERC20Interface cToken = CERC20Interface(cERC20);
+        cash = cToken.getCash();
+    }
+
+    // Need to check at the end
+    function totalBorrow(address cERC20) public returns (uint borrows) {
+        CERC20Interface cToken = CERC20Interface(cERC20);
+        borrows = cToken.totalBorrowsCurrent();
+    }
+
+    // Need to check at the end
+    function borrowBalance(address user, address cERC20) public returns (uint borrowAmt) {
+        CERC20Interface cToken = CERC20Interface(cERC20);
+        borrowAmt = cToken.borrowBalanceCurrent(user);
+    }
+
+}
+