Files
openzeppelin-contracts/contracts/token/ERC721/utils/ERC721Holder.sol
Hadrien Croubois b0cf6fbb7a Add Prettier for linting and fix Solhint config (#2697)
Co-authored-by: Francisco Giordano <frangio.1@gmail.com>
2021-06-07 12:33:03 -03:00

28 lines
720 B
Solidity

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "../IERC721Receiver.sol";
/**
* @dev Implementation of the {IERC721Receiver} interface.
*
* Accepts all token transfers.
* Make sure the contract is able to use its token with {IERC721-safeTransferFrom}, {IERC721-approve} or {IERC721-setApprovalForAll}.
*/
contract ERC721Holder is IERC721Receiver {
/**
* @dev See {IERC721Receiver-onERC721Received}.
*
* Always returns `IERC721Receiver.onERC721Received.selector`.
*/
function onERC721Received(
address,
address,
uint256,
bytes memory
) public virtual override returns (bytes4) {
return this.onERC721Received.selector;
}
}