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Provide ERC721 required functionality interface

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Facundo Spagnuolo
2018-01-16 15:57:44 -03:00
parent 146a22cd96
commit 5fc5ded661
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contracts/token/ERC721.sol Normal file
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pragma solidity ^0.4.18;
/**
* @title ERC721 interface
* @dev see https://github.com/ethereum/eips/issues/721
*/
contract ERC721 {
event Transfer(address indexed _from, address indexed _to, uint256 _tokenId);
event Approval(address indexed _owner, address indexed _approved, uint256 _tokenId);
function balanceOf(address _owner) public view returns (uint256 _balance);
function ownerOf(uint256 _tokenId) public view returns (address _owner);
function transfer(address _to, uint256 _tokenId) public;
function approve(address _to, uint256 _tokenId) public;
function takeOwnership(uint256 _tokenId) public;
}