From 5fc5ded661f8b6f59763ec26c5c4b8dd7430e369 Mon Sep 17 00:00:00 2001
From: Facundo Spagnuolo <facundo_spagnuolo@icloud.com>
Date: Tue, 16 Jan 2018 15:57:44 -0300
Subject: [PATCH] Provide ERC721 required functionality interface

---
 contracts/token/ERC721.sol | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 contracts/token/ERC721.sol

diff --git a/contracts/token/ERC721.sol b/contracts/token/ERC721.sol
new file mode 100644
index 000000000..f88376f61
--- /dev/null
+++ b/contracts/token/ERC721.sol
@@ -0,0 +1,16 @@
+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;
+}