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ERC1155Holder.sol
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ERC1155Holder.sol
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// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0-rc.2) (token/ERC1155/utils/ERC1155Holder.sol)
pragma solidity ^0.8.20;
import {IERC165, ERC165} from "../../../utils/introspection/ERC165.sol";
import {IERC1155Receiver} from "../IERC1155Receiver.sol";
/**
* @dev Simple implementation of `IERC1155Receiver` that will allow a contract to hold ERC1155 tokens.
*
* IMPORTANT: When inheriting this contract, you must include a way to use the received tokens, otherwise they will be
* stuck.
*/
abstract contract ERC1155Holder is ERC165, IERC1155Receiver {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);
}
function onERC1155Received(
address,
address,
uint256,
uint256,
bytes memory
) public virtual override returns (bytes4) {
return this.onERC1155Received.selector;
}
function onERC1155BatchReceived(
address,
address,
uint256[] memory,
uint256[] memory,
bytes memory
) public virtual override returns (bytes4) {
return this.onERC1155BatchReceived.selector;
}
}