Added getIncentivesController() getter to AToken and Variable Debt Token

Author: kartojal

contracts/interfaces/IAToken.sol

@@ -3,6 +3,7 @@ pragma solidity 0.6.12;
 
 import {IERC20} from '../dependencies/openzeppelin/contracts/IERC20.sol';
 import {IScaledBalanceToken} from './IScaledBalanceToken.sol';
+import {IAaveIncentivesController} from './IAaveIncentivesController.sol';
 
 interface IAToken is IERC20, IScaledBalanceToken {
   /**
@@ -85,4 +86,9 @@ interface IAToken is IERC20, IScaledBalanceToken {
    * @return The amount transferred
    **/
   function transferUnderlyingTo(address user, uint256 amount) external returns (uint256);
+
+  /**
+   * @dev Returns the address of the incentives controller contract
+   **/
+  function getIncentivesController() external view returns (IAaveIncentivesController);
 }

contracts/interfaces/IVariableDebtToken.sol

@@ -2,6 +2,7 @@
 pragma solidity 0.6.12;
 
 import {IScaledBalanceToken} from './IScaledBalanceToken.sol';
+import {IAaveIncentivesController} from './IAaveIncentivesController.sol';
 
 /**
  * @title IVariableDebtToken
@@ -52,4 +53,9 @@ interface IVariableDebtToken is IScaledBalanceToken {
     uint256 amount,
     uint256 index
   ) external;
+
+  /**
+   * @dev Returns the address of the incentives controller contract
+   **/
+  function getIncentivesController() external view returns (IAaveIncentivesController);
 }

contracts/protocol/tokenization/AToken.sol

@@ -9,6 +9,7 @@ import {WadRayMath} from '../libraries/math/WadRayMath.sol';
 import {Errors} from '../libraries/helpers/Errors.sol';
 import {VersionedInitializable} from '../libraries/aave-upgradeability/VersionedInitializable.sol';
 import {IncentivizedERC20} from './IncentivizedERC20.sol';
+import {IAaveIncentivesController} from '../../interfaces/IAaveIncentivesController.sol';
 
 /**
  * @title Aave ERC20 AToken
@@ -229,6 +230,13 @@ contract AToken is VersionedInitializable, IncentivizedERC20, IAToken {
     return currentSupplyScaled.rayMul(POOL.getReserveNormalizedIncome(UNDERLYING_ASSET_ADDRESS));
   }
 
+  /**
+   * @dev Returns the address of the incentives controller contract
+   **/
+  function getIncentivesController() external view override returns (IAaveIncentivesController) {
+    return _incentivesController;
+  }
+
   /**
    * @dev Returns the scaled total supply of the variable debt token. Represents sum(debt/index)
    * @return the scaled total supply

contracts/protocol/tokenization/VariableDebtToken.sol

@@ -5,6 +5,7 @@ import {IVariableDebtToken} from '../../interfaces/IVariableDebtToken.sol';
 import {WadRayMath} from '../libraries/math/WadRayMath.sol';
 import {Errors} from '../libraries/helpers/Errors.sol';
 import {DebtTokenBase} from './base/DebtTokenBase.sol';
+import {IAaveIncentivesController} from '../../interfaces/IAaveIncentivesController.sol';
 
 /**
  * @title VariableDebtToken
@@ -139,4 +140,12 @@ contract VariableDebtToken is DebtTokenBase, IVariableDebtToken {
   {
     return (super.balanceOf(user), super.totalSupply());
   }
+
+  /**
+   * @dev Returns the address of the incentives controller contract
+   * @return incentives address
+   **/
+  function getIncentivesController() external view override returns (IAaveIncentivesController) {
+    return _incentivesController;
+  }
 }