NFT.sol

pragma solidity ^0.4.15;


contract NFT {
	function totalSupply() constant returns (uint);

	function balanceOf(address) constant returns (uint);

	function tokenOfOwnerByIndex(address owner, uint index) constant returns (uint);

	function ownerOf(uint tokenId) constant returns (address);

	function transfer(address to, uint tokenId);

	function takeOwnership(uint tokenId);

	function transferFrom(address from, address to, uint tokenId);

	function approve(address beneficiary, uint tokenId);

	function metadata(uint tokenId) constant returns (string);
}


contract NFTEvents {
	event Created(uint tokenId, address owner, string metadata);

	event Destroyed(uint tokenId, address owner);

	event Transferred(uint tokenId, address from, address to);

	event Approval(address owner, address beneficiary, uint tokenId);

	event MetadataUpdated(uint tokenId, address owner, string data);
}