dexorder

lib_openzeppelin_contracts/contracts/token/ERC721/extensions/ERC721Burnable.sol

@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/ERC721Burnable.sol)
+
+pragma solidity ^0.8.20;
+
+import {ERC721} from "../ERC721.sol";
+import {Context} from "../../../utils/Context.sol";
+
+/**
+ * @title ERC-721 Burnable Token
+ * @dev ERC-721 Token that can be 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 {
+        // Setting an "auth" arguments enables the `_isAuthorized` check which verifies that the token exists
+        // (from != 0). Therefore, it is not needed to verify that the return value is not 0 here.
+        _update(address(0), tokenId, _msgSender());
+    }
+}