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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| // SPDX-License-Identifier: GPL-3.0 | ||
| pragma solidity =0.8.19; | ||
|
|
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| import {IERC165} from "@openzeppelin/contracts/utils/introspection/IERC165.sol"; | ||
| import {IERC777Recipient} from "@openzeppelin/contracts/token/ERC777/IERC777Recipient.sol"; | ||
| import {IERC721Receiver} from "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol"; | ||
| import {IERC1155Receiver} from "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol"; | ||
|
|
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| /** | ||
| * Token callback handler. | ||
| * Handles supported tokens' callbacks, allowing account receiving these tokens. | ||
| */ | ||
| contract TokenCallbackHandler is IERC777Recipient, IERC721Receiver, IERC1155Receiver { | ||
| function tokensReceived(address, address, address, uint256, bytes calldata, bytes calldata) | ||
| external | ||
| pure | ||
| override | ||
| {} | ||
|
|
||
| function onERC721Received(address, address, uint256, bytes calldata) | ||
| external | ||
| view | ||
| virtual | ||
| override | ||
| returns (bytes4) | ||
| { | ||
| return IERC721Receiver.onERC721Received.selector; | ||
| } | ||
|
|
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| function onERC1155Received(address, address, uint256, uint256, bytes calldata) | ||
| external | ||
| pure | ||
| override | ||
| returns (bytes4) | ||
| { | ||
| return IERC1155Receiver.onERC1155Received.selector; | ||
| } | ||
|
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| function onERC1155BatchReceived(address, address, uint256[] calldata, uint256[] calldata, bytes calldata) | ||
| external | ||
| pure | ||
| override | ||
| returns (bytes4) | ||
| { | ||
| return IERC1155Receiver.onERC1155BatchReceived.selector; | ||
| } | ||
|
|
||
| function supportsInterface(bytes4 interfaceId) external view virtual override returns (bool) { | ||
| return interfaceId == type(IERC721Receiver).interfaceId || interfaceId == type(IERC1155Receiver).interfaceId | ||
| || interfaceId == type(IERC165).interfaceId; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| // SPDX-License-Identifier: GPL-3.0 | ||
| pragma solidity =0.8.19; | ||
|
|
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| import {ERC1967Proxy} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol"; | ||
|
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| error InvalidImplementation(); | ||
|
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| /** | ||
| * @title ERC6551OpenfortProxy (Non-upgradeable) | ||
| * @notice Contract to create the ERC6551 proxies | ||
| * It inherits from: | ||
| * - ERC1967Proxy | ||
| */ | ||
| contract ERC6551OpenfortProxy is ERC1967Proxy { | ||
| address internal immutable defaultImplementation; | ||
|
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| constructor(address _logic, bytes memory _data) ERC1967Proxy(_logic, _data) { | ||
| if (_logic == address(0)) revert InvalidImplementation(); | ||
| defaultImplementation = _logic; | ||
| } | ||
|
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| // constructor(address _logic, bytes memory _data) ERC1967Proxy(_logic, _data) {} | ||
|
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| function implementation() external view returns (address) { | ||
| return _implementation(); | ||
| } | ||
|
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| function _implementation() internal view virtual override returns (address implementationAddress) { | ||
| implementationAddress = _getImplementation(); | ||
| if (implementationAddress == address(0)) return defaultImplementation; | ||
| } | ||
|
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| function _beforeFallback() internal virtual override { | ||
| super._beforeFallback(); | ||
| if (msg.data.length == 0) { | ||
| if (_getImplementation() == address(0)) { | ||
| _upgradeTo(defaultImplementation); | ||
| _delegate(defaultImplementation); | ||
| } | ||
| } | ||
| } | ||
| } |
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