change name

contracts/utils/BatchCall.sol

@@ -8,7 +8,7 @@ import "./Address.sol";
  * @dev Provides a way to batch together multiple function calls in a single external call.
  */
 abstract contract BatchCall {
-   function multicall(bytes[] calldata data) external returns(bytes[] memory results) {
+   function batchcall(bytes[] calldata data) external returns(bytes[] memory results) {
         results = new bytes[](data.length);
         for (uint i = 0; i < data.length; i++) {
             (bool success, bytes memory result) = Address.functionDelegateCall(address(this), data[i]);
@@ -17,4 +17,4 @@ abstract contract BatchCall {
         }
         return results;
     }
-}
+}