diff --git a/contracts/powerResolver/aave.sol b/contracts/powerResolver/aave.sol
new file mode 100644
index 0000000..4a008f8
--- /dev/null
+++ b/contracts/powerResolver/aave.sol
@@ -0,0 +1,97 @@
+pragma solidity ^0.6.0;
+pragma experimental ABIEncoderV2;
+
+interface AaveInterface {
+    function getUserReserveData(address _reserve, address _user) external view returns (
+        uint256 currentATokenBalance,
+        uint256 currentBorrowBalance,
+        uint256 principalBorrowBalance,
+        uint256 borrowRateMode,
+        uint256 borrowRate,
+        uint256 liquidityRate,
+        uint256 originationFee,
+        uint256 variableBorrowIndex,
+        uint256 lastUpdateTimestamp,
+        bool usageAsCollateralEnabled
+    );
+}
+
+interface AaveProviderInterface {
+    function getLendingPool() external view returns (address);
+    function getLendingPoolCore() external view returns (address);
+    function getPriceOracle() external view returns (address);
+}
+
+
+interface CTokenInterface {
+    function exchangeRateStored() external view returns (uint);
+    function borrowBalanceStored(address) external view returns (uint);
+
+    function balanceOf(address) external view returns (uint);
+}
+
+interface ListInterface {
+    function accounts() external view returns (uint64);
+    function accountID(address) external view returns (uint64);
+    function accountAddr(uint64) external view returns (address);
+}
+
+contract Helpers {
+
+    struct AaveData {
+        uint collateral;
+        uint debt;
+    }
+    struct data {
+        address user;
+        AaveData[] tokensData;
+    }
+    
+    struct datas {
+        AaveData[] tokensData;
+    }
+
+    /**
+     * @dev get Aave Provider Address
+    */
+    function getAaveProviderAddress() internal pure returns (address) {
+        return 0x24a42fD28C976A61Df5D00D0599C34c4f90748c8; //mainnet
+        // return 0x506B0B2CF20FAA8f38a4E2B524EE43e1f4458Cc5; //kovan
+    }
+}
+
+contract Resolver is Helpers {
+    
+    function getAaveDataByReserve(address[] memory owners, address reserve, AaveInterface aave) public view returns (AaveData[] memory) {
+        AaveData[] memory tokensData = new AaveData[](owners.length);
+        for (uint i = 0; i < owners.length; i++) {
+            (uint collateral, uint debt, uint principalDebt,,,,,,,) = aave.getUserReserveData(reserve, owners[i])
+            tokensData[i] = AaveData(
+                collateral,
+                debt + principalDebt // TODO: is this right?
+            );
+        }
+
+        return tokensData;
+    }
+
+    function getPositionByAddress(
+        address[] memory owners,
+        address[] memory reserves
+    )
+        public
+        view
+        returns (datas[] memory)
+    {
+        AaveProviderInterface AaveProvider = AaveProviderInterface(getAaveProviderAddress());
+        AaveInterface aave = AaveInterface(AaveProvider.getLendingPool());
+        datas[] memory _data = new datas[](reserves.length);
+        for (uint i = 0; i < cAddress.length; i++) {
+            _data[i] = datas(
+                getAaveDataByReserve(owners, reserves[i], aave)
+            );
+        }
+        return _data;
+    }
+
+}
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