cic-contracts/solidity/ERC721Receiver.sol

14 lines
803 B
Solidity

pragma solidity >=0.6.12;
// Author: Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
// SPDX-License-Identifier: GPL-3.0-or-later
// File-version: 1
// This is a representation of an officially approved Ethereum Improvement Proposal, William Entriken (@fulldecent), Dieter Shirley dete@axiomzen.co, Jacob Evans jacob@dekz.net, Nastassia Sachs nastassia.sachs@protonmail.com
// The proposal source used as reference was a Markdown file with the following digests:
// - sha256:f25b41ad1bff14ec57e8c247f2ecf372fd86245d08ba3cbd005c21a42744a7ca
// - swarmhash:cf43d96b21b0b017ae32fb2ac8df9268f13344d9fd20aa1d959453eaf379a51b
interface ERC721Receiver {
function onERC721Received(address _operator, address _from, uint256 _tokenId, bytes memory _data) external returns(bytes4);
}