pragma solidity >=0.6.12; // Author: Louis Holbrook 0826EDA1702D1E87C6E2875121D2E7BB88C2A746 // SPDX-License-Identifier: AGPL-3.0-or-later // File-version: 3 // This is a representation of an officially approved Ethereum Improvement Proposal, William Entriken (@fulldecent), Dieter Shirley dete@axiomzen.co, Jacob Evans jacob@dekz.net, Nastassia Sachs nastassia.sachs@protonmail.com // The proposal source used as reference was a Markdown file with the following digests: // - sha256:f25b41ad1bff14ec57e8c247f2ecf372fd86245d08ba3cbd005c21a42744a7ca // - swarmhash:cf43d96b21b0b017ae32fb2ac8df9268f13344d9fd20aa1d959453eaf379a51b interface IERC721 { event Transfer(address indexed _from, address indexed _to, uint256 indexed _tokenId); event Approval(address indexed _owner, address indexed _approved, uint256 indexed _tokenId); event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved); function balanceOf(address _owner) external view returns (uint256); function ownerOf(uint256 _tokenId) external view returns (address); function safeTransferFrom(address _from, address _to, uint256 _tokenId) external payable; function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes memory _data) external payable; function transferFrom(address _from, address _to, uint256 _tokenId) external payable; function approve(address _approved, uint256 _tokenId) external payable; function setApprovalForAll(address _operator, bool _approved) external; function getApproved(uint256 _tokenId) external view returns (address); function isApprovedForAll(address _owner, address _operator) external view returns (bool); }