24 lines
760 B
Solidity
24 lines
760 B
Solidity
// SPDX-License-Identifier: MIT
|
|
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC721/utils/ERC721Holder.sol)
|
|
|
|
pragma solidity ^0.8.19;
|
|
|
|
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 returns (bytes4) {
|
|
return this.onERC721Received.selector;
|
|
}
|
|
}
|