Aave v2 resolver basics done

contracts/powerResolver/aave_v2.sol

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+pragma solidity ^0.6.0;
+pragma experimental ABIEncoderV2;
+
+interface AaveProtocolDataProvider {
+    function getUserReserveData(address asset, address user) external view returns (
+        uint256 currentATokenBalance,
+        uint256 currentStableDebt,
+        uint256 currentVariableDebt,
+        uint256 principalStableDebt,
+        uint256 scaledVariableDebt,
+        uint256 stableBorrowRate,
+        uint256 liquidityRate,
+        uint40 stableRateLastUpdated,
+        bool usageAsCollateralEnabled
+    );
+}
+
+interface AaveLendingPool {
+    function getUserAccountData(address user) external view returns (
+        uint256 totalCollateralETH,
+        uint256 totalDebtETH,
+        uint256 availableBorrowsETH,
+        uint256 currentLiquidationThreshold,
+        uint256 ltv,
+        uint256 healthFactor
+    );
+}
+
+interface AaveAddressProvider {
+    function getLendingPool() external view returns (address);
+    function getPriceOracle() 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 getAaveAddressProvider() internal pure returns (address) {
+        return 0xB53C1a33016B2DC2fF3653530bfF1848a515c8c5; // Mainnet
+        // return 0x652B2937Efd0B5beA1c8d54293FC1289672AFC6b; // Kovan
+    }
+
+}
+
+contract Resolver is Helpers {
+
+    function getPositionByAddress(
+        address[] memory owners
+    )
+        public
+        view
+        returns (AaveData[] memory tokensData)
+    {
+        AaveAddressProvider addrProvider = AaveAddressProvider(getAaveAddressProvider());
+        AaveLendingPool aave = AaveLendingPool(addrProvider.getLendingPool();
+        tokensData = new AaveData[](owners.length);
+        for (uint i = 0; i < owners.length; i++) {
+            (uint256 collateral,uint256 debt,,,,) = aave.getUserAccountData(owners[i]);
+            tokensData[i] = AaveData(
+                collateral,
+                debt
+            );
+        }
+    }
+
+}