feature: added emission end timestamp. Return struct instead, to save on stack space

Author: sendra

contracts/interfaces/IAaveIncentivesController.sol

@@ -13,6 +13,8 @@ interface IAaveIncentivesController {
 
   function PRECISION() external view returns (uint8);
 
+  function DISTRIBUTION_END() external view returns (uint256);
+
   function assets(address underlying) external view returns (AssetData memory assets);
 
   function handleAction(

contracts/misc/UiPoolDataProvider.sol

@@ -59,7 +59,7 @@ contract UiPoolDataProvider is IUiPoolDataProvider {
       AggregatedReserveData[] memory,
       UserReserveData[] memory,
       uint256,
-      uint256
+      IncentivesControllerData memory
     )
   {
     ILendingPool lendingPool = ILendingPool(provider.getLendingPool());
@@ -194,11 +194,20 @@ contract UiPoolDataProvider is IUiPoolDataProvider {
       }
     }
 
+    
+    IncentivesControllerData memory incentivesControllerData;
+    incentivesControllerData.userUnclaimedRewards = incentivesController.getUserUnclaimedRewards(user);
+    // incentivesControllerData.rewardToken = incentivesController.REWARD_TOKEN();
+    // incentivesControllerData.rewardTokenDecimals = IERC20Detailed(incentivesControllerData.rewardToken).decimals();
+    // incentivesControllerData.rewardTokenSymbol = IERC20Detailed(incentivesControllerData.rewardToken).symbol();
+    // incentivesControllerData.precision = incentivesController.PRECISION();
+    incentivesControllerData.emissionEndTimestamp = incentivesController.DISTRIBUTION_END();
+
     return (
       reservesData,
       userReservesData,
       oracle.getAssetPrice(MOCK_USD_ADDRESS),
-      incentivesController.getUserUnclaimedRewards(user)
+      incentivesControllerData
     );
   }
 }

contracts/misc/interfaces/IUiPoolDataProvider.sol

@@ -68,13 +68,23 @@ interface IUiPoolDataProvider {
     uint256 sTokenincentivesUserIndex;
   }
 
+  struct IncentivesControllerData {
+    uint256 userUnclaimedRewards;
+    // address rewardToken;
+    // uint256 rewardTokenDecimals;
+    // string rewardTokenSymbol;
+    // uint8 precision;
+    uint256 emissionEndTimestamp;
+  }
+
+
   function getReservesData(ILendingPoolAddressesProvider provider, address user)
     external
     view
     returns (
       AggregatedReserveData[] memory,
       UserReserveData[] memory,
       uint256,
-      uint256
+      IncentivesControllerData memory
     );
 }