// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /// @author: manifold.xyz import "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol"; import "@manifoldxyz/libraries-solidity/contracts/access/AdminControl.sol"; import "../../core/IERC1155CreatorCore.sol"; import "./IERC1155CreatorExtensionApproveTransfer.sol"; /** * @dev Suggested implementation for extensions that require the creator to * check with it before a transfer occurs */ abstract contract ERC1155CreatorExtensionApproveTransfer is AdminControl, IERC1155CreatorExtensionApproveTransfer { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(AdminControl, IERC165) returns (bool) { return interfaceId == type(IERC1155CreatorExtensionApproveTransfer).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC1155CreatorExtensionApproveTransfer-setApproveTransfer} */ function setApproveTransfer(address creator, bool enabled) external override adminRequired { require(ERC165Checker.supportsInterface(creator, type(IERC1155CreatorCore).interfaceId), "creator must implement IERC1155CreatorCore"); IERC1155CreatorCore(creator).setApproveTransferExtension(enabled); } }