ecf0725dd1
* Adds / Updates documentation of ERC721 contract * Improve ERC721Burnable documentation * Fix typo * Revert changes on ERC721 private functions * Add documentation to the ERC721 contract's constructor * Add IERC721Receiver & ERC721Holder documentations * Add references to IERC721 functions * Add references to IERC721Metadata/Receiver * PR fixes * Fixes to ERC721 documentation * Add missing fixes Co-authored-by: Nicolás Venturo <nicolas.venturo@gmail.com>
24 lines
695 B
Solidity
24 lines
695 B
Solidity
// SPDX-License-Identifier: MIT
|
|
|
|
pragma solidity ^0.6.0;
|
|
|
|
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;
|
|
}
|
|
}
|