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