DiamondCutFacet.sol

// SPDX-License-Identifier: MIT
pragma solidity 0.8.14;

/******************************************************************************\
* Author: Nick Mudge <nick@perfectabstractions.com> (https://twitter.com/mudgen)
* EIP-2535 Diamonds: https://eips.ethereum.org/EIPS/eip-2535
/******************************************************************************/

import {IDiamondCut} from "../interfaces/IDiamondCut.sol";
import {LibDiamond} from "../libraries/LibDiamond.sol";

// Remember to add the loupe functions from DiamondLoupeFacet to the diamond.
// The loupe functions are required by the EIP2535 Diamonds standard

contract DiamondCutFacet is IDiamondCut {
  /// @notice Add/replace/remove any number of functions and optionally execute
  ///         a function with delegatecall
  /// @param _diamondCut Contains the facet addresses and function selectors
  /// @param _init The address of the contract or facet to execute _calldata
  /// @param _calldata A function call, including function selector and arguments
  ///                  _calldata is executed with delegatecall on _init
  function diamondCut(
    FacetCut[] calldata _diamondCut,
    address _init,
    bytes calldata _calldata
  ) external override {
    LibDiamond.enforceIsContractOwner();
    LibDiamond.diamondCut(_diamondCut, _init, _calldata);
  }

  function proposeDiamondCut(
    FacetCut[] calldata _diamondCut,
    address _init,
    bytes calldata _calldata
  ) external {
    LibDiamond.enforceIsContractOwner();
    LibDiamond.proposeDiamondCut(_diamondCut, _init, _calldata);
  }

  function rescindDiamondCut(
    FacetCut[] calldata _diamondCut,
    address _init,
    bytes calldata _calldata
  ) external {
    LibDiamond.enforceIsContractOwner();
    LibDiamond.rescindDiamondCut(_diamondCut, _init, _calldata);
  }
}