-
Notifications
You must be signed in to change notification settings - Fork 50
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #972 from lukso-network/erccallbacks
feat: add ERCTokenCallbacks Extension
- Loading branch information
Showing
2 changed files
with
93 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,62 @@ | ||
// SPDX-License-Identifier: Apache-2.0 | ||
pragma solidity ^0.8.4; | ||
|
||
import { | ||
ERC721Holder, | ||
IERC721Receiver | ||
} from "@openzeppelin/contracts/token/ERC721/utils/ERC721Holder.sol"; | ||
|
||
import { | ||
ERC1155Holder, | ||
ERC1155Receiver | ||
} from "@openzeppelin/contracts/token/ERC1155/utils/ERC1155Holder.sol"; | ||
|
||
import { | ||
IERC777Recipient | ||
} from "@openzeppelin/contracts/token/ERC777/IERC777Recipient.sol"; | ||
|
||
import { | ||
LSP17Extension | ||
} from "@lukso/lsp17contractextension-contracts/contracts/LSP17Extension.sol"; | ||
|
||
/** | ||
* @dev LSP17 Extension that can be attached to a LSP17Extendable contract | ||
* to allow it to receive ERC721 tokens via `safeTransferFrom`. | ||
*/ | ||
// solhint-disable-next-line no-empty-blocks | ||
contract ERCTokenCallbacks is | ||
ERC721Holder, | ||
ERC1155Holder, | ||
IERC777Recipient, | ||
LSP17Extension | ||
{ | ||
function tokensReceived( | ||
address operator, | ||
address from, | ||
address to, | ||
uint256 amount, | ||
bytes calldata userData, | ||
bytes calldata operatorData | ||
) external override { | ||
// solhint-disable-previous-line no-empty-blocks | ||
} | ||
|
||
/** | ||
* @notice Implements ERC165 interface support for ERC1155TokenReceiver, ERC721TokenReceiver and IERC165. | ||
* @param interfaceId Id of the interface. | ||
* @return if the interface is supported. | ||
*/ | ||
function supportsInterface( | ||
bytes4 interfaceId | ||
) | ||
public | ||
view | ||
virtual | ||
override(ERC1155Receiver, LSP17Extension) | ||
returns (bool) | ||
{ | ||
return | ||
interfaceId == type(IERC721Receiver).interfaceId || | ||
super.supportsInterface(interfaceId); | ||
} | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,31 @@ | ||
import { expect } from 'chai'; | ||
import { ethers } from 'hardhat'; | ||
import { SignerWithAddress } from '@nomicfoundation/hardhat-ethers/signers'; | ||
import { ERCTokenCallbacks, ERCTokenCallbacks__factory } from '../types'; | ||
import { INTERFACE_ID_LSP17Extension } from '../constants.ts'; | ||
|
||
describe('testing `ERCTokenCallbacks`', () => { | ||
let context: { | ||
tokenCallbacks: ERCTokenCallbacks; | ||
owner: SignerWithAddress; | ||
}; | ||
|
||
before(async () => { | ||
const [owner] = await ethers.getSigners(); | ||
const tokenCallbacks = await new ERCTokenCallbacks__factory(owner).deploy(); | ||
|
||
context = { | ||
tokenCallbacks, | ||
owner, | ||
}; | ||
}); | ||
|
||
describe('testing `supportsInterface`', () => { | ||
it('should return true for supported interface IDs', async () => { | ||
expect(await context.tokenCallbacks.supportsInterface(INTERFACE_ID_LSP17Extension)).to.be | ||
.true; // LSP17Extension interface ID | ||
expect(await context.tokenCallbacks.supportsInterface('0x01ffc9a7')).to.be.true; // ERC721Holder interface ID | ||
expect(await context.tokenCallbacks.supportsInterface('0x4e2312e0')).to.be.true; // ERC1155Holder interface ID | ||
}); | ||
}); | ||
}); |