pragma solidity ^0.5.0; import "zos-lib/contracts/Initializable.sol"; import "./ERC721.sol"; import "../../lifecycle/Pausable.sol"; /** * @title ERC721 Non-Fungible Pausable token * @dev ERC721 modified with pausable transfers. **/ contract ERC721Pausable is Initializable, ERC721, Pausable { function initialize(address sender) public initializer { require(ERC721._hasBeenInitialized()); Pausable.initialize(sender); } function approve(address to, uint256 tokenId) public whenNotPaused { super.approve(to, tokenId); } function setApprovalForAll(address to, bool approved) public whenNotPaused { super.setApprovalForAll(to, approved); } function transferFrom(address from, address to, uint256 tokenId) public whenNotPaused { super.transferFrom(from, to, tokenId); } uint256[50] private ______gap; }