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contracts/protocols/mainnet/NewLiquity.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity >=0.6.0 <0.8.0;
+pragma experimental ABIEncoderV2;
+
+import {DSMath} from "../libs/DSMath.sol";
+import { SafeMath } from "@openzeppelin/contracts/math/SafeMath.sol";
+
+interface PriceFeedOracle {
+    function fetchPrice() external returns (uint256);
+}
+
+interface TroveManagerLike {
+
+    function getEntireDebtAndColl(address _borrower)
+        external
+        view
+        returns (
+            uint256 debt,
+            uint256 coll,
+            uint256 pendingLUSDDebtReward,
+            uint256 pendingETHReward
+        );
+}
+
+
+contract Helpers {
+    using DSMath for uint256;
+    TroveManagerLike internal constant troveManager = TroveManagerLike(0xA39739EF8b0231DbFA0DcdA07d7e29faAbCf4bb2);
+
+    PriceFeedOracle internal constant priceFeedOracle = PriceFeedOracle(0x4c517D4e2C851CA76d7eC94B805269Df0f2201De);
+
+    struct Trove {
+        uint256 collateral;
+        uint256 debt;
+        uint netValue;
+    }
+}
+ 
+contract NewLiquityResolver is Helpers {
+    using DSMath for uint256;
+
+    function fetchETHPrice() public returns (uint256) {
+        return priceFeedOracle.fetchPrice();
+    }
+
+    function getTrove(address[] memory owners) public returns (Trove[] memory) {
+        uint256 oracleEthPrice = fetchETHPrice();
+        Trove[] memory troveArray = new Trove[](owners.length);
+        for (uint i = 0; i < owners.length; i++) {
+            (uint256 debt, uint256 collateral, , ) = troveManager.getEntireDebtAndColl(owners[i]);
+            uint netValue = SafeMath.sub(((collateral.wmul(oracleEthPrice)).wdiv(10**18)), debt);
+            troveArray[i] = Trove(collateral, debt, netValue);        
+        }
+        return troveArray;
+    }
+}