04fc35707d
* Update contract pragmas to solidity 0.7 * Remove internal declaration on constructors * Reference SafeMath explicitely * Remove public constructor declaration from abstract contracts * Remove public constructor declaration from non-abstract contracts
26 lines
717 B
Solidity
26 lines
717 B
Solidity
// SPDX-License-Identifier: MIT
|
|
|
|
pragma solidity ^0.7.0;
|
|
|
|
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) {
|
|
_retval = retval;
|
|
_reverts = reverts;
|
|
}
|
|
|
|
function onERC721Received(address operator, address from, uint256 tokenId, bytes memory data)
|
|
public override returns (bytes4)
|
|
{
|
|
require(!_reverts, "ERC721ReceiverMock: reverting");
|
|
emit Received(operator, from, tokenId, data, gasleft());
|
|
return _retval;
|
|
}
|
|
}
|