24c37c1f9e
* Add IERC721Metadata implementation into ERC721 * Add IERC721Enumerable into ERC721 * Update ERC721Pausable and ERC721Burnable * Delete ERC721Metadata, ERC721Enumerable and ERC721 (now ERC721) * Update mocks * Update tests * Update contracts/token/ERC721/ERC721.sol Co-Authored-By: Francisco Giordano <frangio.1@gmail.com> * Make ERC721Pausable and ERC721Burnable abstract Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
21 lines
615 B
Solidity
21 lines
615 B
Solidity
pragma solidity ^0.6.0;
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import "../../GSN/Context.sol";
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import "./ERC721.sol";
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/**
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* @title ERC721 Burnable Token
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* @dev ERC721 Token that can be irreversibly burned (destroyed).
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*/
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abstract contract ERC721Burnable is Context, ERC721 {
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/**
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* @dev Burns a specific ERC721 token.
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* @param tokenId uint256 id of the ERC721 token to be burned.
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*/
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function burn(uint256 tokenId) public virtual {
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//solhint-disable-next-line max-line-length
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require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721Burnable: caller is not owner nor approved");
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_burn(tokenId);
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}
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}
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