Provide ERC721 required functionality interface

harshidkahar · Jan 16, 2018 · 5fc5ded · 5fc5ded
1 parent 146a22c
commit 5fc5ded
Showing 1 changed file with 16 additions and 0 deletions.
diff --git a/contracts/token/ERC721.sol b/contracts/token/ERC721.sol
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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;
+}