Files
openzeppelin-contracts/contracts/token/ERC721/ERC721Burnable.sol
GuiCz ecf0725dd1 Documentation/erc721 contracts (#2218)
* Adds / Updates documentation of ERC721 contract

* Improve ERC721Burnable documentation

* Fix typo

* Revert changes on ERC721 private functions

* Add documentation to the ERC721 contract's constructor

* Add IERC721Receiver & ERC721Holder documentations

* Add references to IERC721 functions

* Add references to IERC721Metadata/Receiver

* PR fixes

* Fixes to ERC721 documentation

* Add missing fixes

Co-authored-by: Nicolás Venturo <nicolas.venturo@gmail.com>
2020-06-05 14:29:06 -03:00

26 lines
689 B
Solidity

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;
import "../../GSN/Context.sol";
import "./ERC721.sol";
/**
* @title ERC721 Burnable Token
* @dev ERC721 Token that can be irreversibly burned (destroyed).
*/
abstract contract ERC721Burnable is Context, ERC721 {
/**
* @dev Burns `tokenId`. See {ERC721-_burn}.
*
* Requirements:
*
* - The caller must own `tokenId` or be an approved operator.
*/
function burn(uint256 tokenId) public virtual {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721Burnable: caller is not owner nor approved");
_burn(tokenId);
}
}