Created
March 31, 2022 14:26
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Functions to be implemented according to ERC721:
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pragma solidity ^0.4.20; | |
interface ERC721 { | |
function name() external view returns (string _name); | |
function symbol() external view returns (string _symbol); | |
function tokenURI(uint256 _tokenId) external view returns (string); | |
function totalSupply() external view returns (uint256); | |
function tokenByIndex(uint256 _index) external view returns (uint256); | |
function tokenOfOwnerByIndex(address _owner, uint256 _index) external view returns (uint256); | |
function balanceOf(address _owner) external view returns (uint256); | |
function ownerOf(uint256 _tokenId) external view returns (address); | |
function safeTransferFrom(address _from, address _to, uint256 _tokenId, bytes 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); | |
} |
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