// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.4;
 
import "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol";
import "@openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol";
 
/**
 * @title NftReceiver
 * @author NFTfi
 * @dev Base contract with capabilities for receiving ERC1155 and ERC721 tokens
 */
abstract contract NftReceiver is IERC1155Receiver, ERC721Holder {
    /**
     *  @dev Handles the receipt of a single ERC1155 token type. This function is called at the end of a
     * `safeTransferFrom` after the balance has been updated.
     * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if allowed
     */
    function onERC1155Received(
        address,
        address,
        uint256,
        uint256,
        bytes calldata
    ) external virtual override returns (bytes4) {
        return this.onERC1155Received.selector;
    }
 
    /**
     *  @dev Handles the receipt of a multiple ERC1155 token types. This function is called at the end of a
     * `safeBatchTransferFrom` after the balances have been updated.
     *  @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if allowed
     */
    function onERC1155BatchReceived(
        address,
        address,
        uint256[] calldata,
        uint256[] calldata,
        bytes calldata
    ) external virtual override returns (bytes4) {
        revert("ERC1155 batch not supported");
    }
 
    /**
     * @dev Checks whether this contract implements the interface defined by `interfaceId`.
     * @param _interfaceId Id of the interface
     * @return true if this contract implements the interface
     */
    function supportsInterface(bytes4 _interfaceId) public view virtual override returns (bool) {
        return
            _interfaceId == type(IERC1155Receiver).interfaceId ||
            _interfaceId == type(IERC721Receiver).interfaceId ||
            _interfaceId == type(IERC165).interfaceId;
    }
}