NoBey/openzeppelin-contracts
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Making IERC721Receiver an interface (#2225)

Browse Source 
* Making IERC721Receiver an interface

* Update IERC721Receiver.sol

Co-authored-by: Nicolás Venturo <nicolas.venturo@gmail.com>
This commit is contained in:
Julian M. Rodriguez
2020-05-06 16:47:53 -03:00
committed by GitHub
parent ac0a4327a9
commit 78dc37739f
1 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
contracts/token/ERC721/IERC721Receiver.sol
View File

@ -5,7 +5,7 @@ pragma solidity ^0.6.0;
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
abstract contract IERC721Receiver {
interface IERC721Receiver {
/**
* @notice Handle the receipt of an NFT
* @dev The ERC721 smart contract calls this function on the recipient
@ -20,6 +20,6 @@ abstract contract IERC721Receiver {
* @param data Additional data with no specified format
* @return bytes4 `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
*/
function onERC721Received(address operator, address from, uint256 tokenId, bytes memory data)
public virtual returns (bytes4);
function onERC721Received(address operator, address from, uint256 tokenId, bytes calldata data)
external returns (bytes4);
}