MockonERC721Received ​
ERC721Error ​
solidity
error ERC721Error()
onERC721Received ​
solidity
function onERC721Received(address operator, address from, uint256 tokenId, bytes data) external returns (bytes4)
MockonERC721ReceivedChild ​
ERC721Error ​
solidity
error ERC721Error()
FACTORY ​
solidity
address FACTORY
constructor ​
solidity
constructor() public
onERC721Received ​
solidity
function onERC721Received(address operator, address from, uint256 tokenId, bytes data) external returns (bytes4)