pragma solidity 0.6.12; import "@openzeppelin/contracts-upgradeable/token/ERC721/ERC721Upgradeable.sol"; /** * @dev Extension of {ERC721} for Minting/Burning */ contract ERC721Mintable is ERC721Upgradeable { constructor () public { __ERC721_init("ERC 721", "NFT"); } /** * @dev See {ERC721-_mint}. */ function mint(address to, uint256 tokenId) public { _mint(to, tokenId); } /** * @dev See {ERC721-_burn}. */ function burn(uint256 tokenId) public { _burn(tokenId); } }