Files
openzeppelin-contracts/contracts/mocks/ERC721ReceiverMock.sol
Francisco Giordano e7aa8dedbc Turn off blank-lines Solium rule (#1284)
* turn off blank-lines rule

* remove triple newlines

(cherry picked from commit 9b37104655)
2018-10-20 21:07:49 +00:00

42 lines
730 B
Solidity

pragma solidity ^0.4.24;
import "../token/ERC721/IERC721Receiver.sol";
contract ERC721ReceiverMock is IERC721Receiver {
bytes4 private _retval;
bool private _reverts;
event Received(
address operator,
address from,
uint256 tokenId,
bytes data,
uint256 gas
);
constructor(bytes4 retval, bool reverts) public {
_retval = retval;
_reverts = reverts;
}
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes data
)
public
returns(bytes4)
{
require(!_reverts);
emit Received(
operator,
from,
tokenId,
data,
gasleft() // msg.gas was deprecated in solidityv0.4.21
);
return _retval;
}
}