AccessControlEnumerable: Hook into the internal function (#2946)

* AccessControlEnumerable: Hook into the internal function

* add changelog entry

CHANGELOG.md

@@ -5,6 +5,7 @@
  * `Ownable`: add an internal `_transferOwnership(address)`. ([#2568](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2568))
  * `AccessControl`: add internal `_grantRole(bytes32,address)` and `_revokeRole(bytes32,address)`. ([#2568](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2568))
  * `AccessControl`: mark `_setupRole(bytes32,address)` as deprecated in favor of `_grantRole(bytes32,address)`. ([#2568](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2568))
+ * `AccessControlEnumerable`: hook into `_grantRole(bytes32,address)` and `_revokeRole(bytes32,address)`. ([#2946](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2946))
  * `EIP712`: cache `address(this)` to immutable storage to avoid potential issues if a vanilla contract is used in a delegatecall context. ([#2852](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2852))
  * Add internal `_setApprovalForAll` to `ERC721` and `ERC1155`. ([#2834](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2834))
  * `Governor`: shift vote start and end by one block to better match Compound's GovernorBravo and prevent voting at the Governor level if the voting snapshot is not ready. ([#2892](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2892))

contracts/access/AccessControlEnumerable.sol

@@ -47,34 +47,18 @@ abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessCon
     }
 
     /**
-     * @dev Overload {grantRole} to track enumerable memberships
+     * @dev Overload {_grantRole} to track enumerable memberships
      */
-    function grantRole(bytes32 role, address account) public virtual override(AccessControl, IAccessControl) {
-        super.grantRole(role, account);
+    function _grantRole(bytes32 role, address account) internal virtual override {
+        super._grantRole(role, account);
         _roleMembers[role].add(account);
     }
 
     /**
-     * @dev Overload {revokeRole} to track enumerable memberships
+     * @dev Overload {_revokeRole} to track enumerable memberships
      */
-    function revokeRole(bytes32 role, address account) public virtual override(AccessControl, IAccessControl) {
-        super.revokeRole(role, account);
+    function _revokeRole(bytes32 role, address account) internal virtual override {
+        super._revokeRole(role, account);
         _roleMembers[role].remove(account);
     }
-
-    /**
-     * @dev Overload {renounceRole} to track enumerable memberships
-     */
-    function renounceRole(bytes32 role, address account) public virtual override(AccessControl, IAccessControl) {
-        super.renounceRole(role, account);
-        _roleMembers[role].remove(account);
-    }
-
-    /**
-     * @dev Overload {_setupRole} to track enumerable memberships
-     */
-    function _setupRole(bytes32 role, address account) internal virtual override {
-        super._setupRole(role, account);
-        _roleMembers[role].add(account);
-    }
 }