EVM Gas: 7500 Gwei
EVM Smart Contract
Root Balance
Token Tracker
Contract
Contract Source Code Verified (Exact Match)
Source code verification does not imply that the contract is safe to interact with.
Contract NameNameWrapper
Compiler Version0.8.17+commit.8df45f5f
Optimization EnabledDisabled
Other Settingsdefault evmVersion
File 1 of 24 - RNS.sol
pragma solidity >=0.8.4;
interface RNS {
// Logged when the owner of a node assigns a new owner to a subnode.
event NewOwner(bytes32 indexed node, bytes32 indexed label, address owner);
// Logged when the owner of a node transfers ownership to a new account.
event Transfer(bytes32 indexed node, address owner);
// Logged when the resolver for a node changes.
event NewResolver(bytes32 indexed node, address resolver);
// Logged when the TTL of a node changes
event NewTTL(bytes32 indexed node, uint64 ttl);
// Logged when an operator is added or removed.
event ApprovalForAll(
address indexed owner,
address indexed operator,
bool approved
);
function setRecord(
bytes32 node,
address owner,
address resolver,
uint64 ttl
) external;
function setSubnodeRecord(
bytes32 node,
bytes32 label,
address owner,
File 2 of 24 - BytesUtils.sol
//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;
library BytesUtils {
/*
* @dev Returns the keccak-256 hash of a byte range.
* @param self The byte string to hash.
* @param offset The position to start hashing at.
* @param len The number of bytes to hash.
* @return The hash of the byte range.
*/
function keccak(
bytes memory self,
uint256 offset,
uint256 len
) internal pure returns (bytes32 ret) {
require(offset + len <= self.length);
assembly {
ret := keccak256(add(add(self, 32), offset), len)
}
}
/**
* @dev Returns the RNS namehash of a DNS-encoded name.
* @param self The DNS-encoded name to hash.
* @param offset The offset at which to start hashing.
* @return The namehash of the name.
*/
function namehash(
bytes memory self,
uint256 offset
) internal pure returns (bytes32) {
(bytes32 labelhash, uint256 newOffset) = readLabel(self, offset);
File 3 of 24 - ERC1155Fuse.sol
//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;
import "@openzeppelin/contracts/utils/introspection/ERC165.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "@openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol";
import "@openzeppelin/contracts/utils/Address.sol";
/* This contract is a variation on ERC1155 with the additions of _setData, getData and _beforeTransfer and ownerOf. _setData and getData allows the use of the other 96 bits next to the address of the owner for extra data. We use this to store 'fuses' that control permissions that can be burnt. 32 bits are used for the fuses themselves and 64 bits are used for the expiry of the name. When a name has expired, its fuses will be be set back to 0 */
abstract contract ERC1155Fuse is ERC165, IERC1155, IERC1155MetadataURI {
using Address for address;
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(
address indexed owner,
address indexed approved,
uint256 indexed tokenId
);
mapping(uint256 => uint256) public _tokens;
// Mapping from owner to operator approvals
mapping(address => mapping(address => bool)) private _operatorApprovals;
// Mapping from token ID to approved address
mapping(uint256 => address) internal _tokenApprovals;
/**************************************************************************
* ERC721 methods
*************************************************************************/
function ownerOf(uint256 id) public view virtual returns (address) {
File 4 of 24 - NameWrapper.sol
//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;
import {ERC1155Fuse, IERC165, IERC1155MetadataURI} from "./ERC1155Fuse.sol";
import {Controllable} from "./Controllable.sol";
import {INameWrapper, CANNOT_UNWRAP, CANNOT_BURN_FUSES, CANNOT_TRANSFER, CANNOT_SET_RESOLVER, CANNOT_SET_TTL, CANNOT_CREATE_SUBDOMAIN, CANNOT_APPROVE, PARENT_CANNOT_CONTROL, CAN_DO_EVERYTHING, IS_DOT_ETH, CAN_EXTEND_EXPIRY, PARENT_CONTROLLED_FUSES, USER_SETTABLE_FUSES} from "./INameWrapper.sol";
import {INameWrapperUpgrade} from "./INameWrapperUpgrade.sol";
import {IMetadataService} from "./IMetadataService.sol";
import {RNS} from "../registry/RNS.sol";
import {IReverseRegistrar} from "../reverseRegistrar/IReverseRegistrar.sol";
import {ReverseClaimer} from "../reverseRegistrar/ReverseClaimer.sol";
import {IBaseRegistrar} from "../ethregistrar/IBaseRegistrar.sol";
import {IERC721Receiver} from "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {BytesUtils} from "./BytesUtils.sol";
import {ERC20Recoverable} from "../utils/ERC20Recoverable.sol";
error Unauthorised(bytes32 node, address addr);
error IncompatibleParent();
error IncorrectTokenType();
error LabelMismatch(bytes32 labelHash, bytes32 expectedLabelhash);
error LabelTooShort();
error LabelTooLong(string label);
error IncorrectTargetOwner(address owner);
error CannotUpgrade();
error OperationProhibited(bytes32 node);
error NameIsNotWrapped();
error NameIsStillExpired();
contract NameWrapper is
Ownable,
ERC1155Fuse,
File 5 of 24 - Controllable.sol
//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;
import "@openzeppelin/contracts/access/Ownable.sol";
contract Controllable is Ownable {
mapping(address => bool) public controllers;
event ControllerChanged(address indexed controller, bool active);
function setController(address controller, bool active) public onlyOwner {
controllers[controller] = active;
emit ControllerChanged(controller, active);
}
modifier onlyController() {
require(
controllers[msg.sender],
"Controllable: Caller is not a controller"
);
_;
}
}
File 6 of 24 - INameWrapper.sol
//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;
import "../registry/RNS.sol";
import "../ethregistrar/IBaseRegistrar.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "./IMetadataService.sol";
import "./INameWrapperUpgrade.sol";
uint32 constant CANNOT_UNWRAP = 1;
uint32 constant CANNOT_BURN_FUSES = 2;
uint32 constant CANNOT_TRANSFER = 4;
uint32 constant CANNOT_SET_RESOLVER = 8;
uint32 constant CANNOT_SET_TTL = 16;
uint32 constant CANNOT_CREATE_SUBDOMAIN = 32;
uint32 constant CANNOT_APPROVE = 64;
//uint16 reserved for parent controlled fuses from bit 17 to bit 32
uint32 constant PARENT_CANNOT_CONTROL = 1 << 16;
uint32 constant IS_DOT_ETH = 1 << 17;
uint32 constant CAN_EXTEND_EXPIRY = 1 << 18;
uint32 constant CAN_DO_EVERYTHING = 0;
uint32 constant PARENT_CONTROLLED_FUSES = 0xFFFF0000;
// all fuses apart from IS_DOT_ETH
uint32 constant USER_SETTABLE_FUSES = 0xFFFDFFFF;
interface INameWrapper is IERC1155 {
event NameWrapped(
bytes32 indexed node,
bytes name,
address owner,
uint32 fuses,
uint64 expiry
);
File 7 of 24 - ERC20Recoverable.sol
//SPDX-License-Identifier: MIT
pragma solidity >=0.8.17 <0.9.0;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
/**
@notice Contract is used to recover ERC20 tokens sent to the contract by mistake.
*/
contract ERC20Recoverable is Ownable {
/**
@notice Recover ERC20 tokens sent to the contract by mistake.
@dev The contract is Ownable and only the owner can call the recover function.
@param _to The address to send the tokens to.
@param _token The address of the ERC20 token to recover
@param _amount The amount of tokens to recover.
*/
function recoverFunds(
address _token,
address _to,
uint256 _amount
) external onlyOwner {
IERC20(_token).transfer(_to, _amount);
}
}
File 8 of 24 - IMetadataService.sol
//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;
interface IMetadataService {
function uri(uint256) external view returns (string memory);
}
File 9 of 24 - Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
File 10 of 24 - Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
File 11 of 24 - IBaseRegistrar.sol
import "../registry/RNS.sol";
import "./IBaseRegistrar.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
interface IBaseRegistrar is IERC721 {
event ControllerAdded(address indexed controller);
event ControllerRemoved(address indexed controller);
event NameMigrated(
uint256 indexed id,
address indexed owner,
uint256 expires
);
event NameRegistered(
uint256 indexed id,
address indexed owner,
uint256 expires
);
event NameRenewed(uint256 indexed id, uint256 expires);
// Authorises a controller, who can register and renew domains.
function addController(address controller) external;
// Revoke controller permission for an address.
function removeController(address controller) external;
// Set the resolver for the TLD this registrar manages.
function setResolver(address resolver) external;
// Returns the expiration timestamp of the specified label hash.
function nameExpires(uint256 id) external view returns (uint256);
// Returns true if the specified name is available for registration.
function available(uint256 id) external view returns (bool);
File 12 of 24 - INameWrapperUpgrade.sol
//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;
interface INameWrapperUpgrade {
function wrapFromUpgrade(
bytes calldata name,
address wrappedOwner,
uint32 fuses,
uint64 expiry,
address approved,
bytes calldata extraData
) external;
}
File 13 of 24 - Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
File 14 of 24 - ReverseClaimer.sol
//SPDX-License-Identifier: MIT
pragma solidity >=0.8.17 <0.9.0;
import {RNS} from "../registry/RNS.sol";
import {IReverseRegistrar} from "../reverseRegistrar/IReverseRegistrar.sol";
contract ReverseClaimer {
bytes32 constant ADDR_REVERSE_NODE =
0x91d1777781884d03a6757a803996e38de2a42967fb37eeaca72729271025a9e2;
constructor(RNS ens, address claimant) {
IReverseRegistrar reverseRegistrar = IReverseRegistrar(
ens.owner(ADDR_REVERSE_NODE)
);
reverseRegistrar.claim(claimant);
}
}
File 15 of 24 - IERC20.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
File 16 of 24 - IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC721/IERC721.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
/**
* @dev Required interface of an ERC721 compliant contract.
*/
interface IERC721 is IERC165 {
/**
* @dev Emitted when `tokenId` token is transferred from `from` to `to`.
*/
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
*/
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
/**
* @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
*/
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
/**
* @dev Returns the number of tokens in ``owner``'s account.
*/
function balanceOf(address owner) external view returns (uint256 balance);
/**
* @dev Returns the owner of the `tokenId` token.
File 17 of 24 - IReverseRegistrar.sol
pragma solidity >=0.8.4;
interface IReverseRegistrar {
function setDefaultResolver(address resolver) external;
function claim(address owner) external returns (bytes32);
function claimForAddr(
address addr,
address owner,
address resolver
) external returns (bytes32);
function claimWithResolver(
address owner,
address resolver
) external returns (bytes32);
function setName(string memory name) external returns (bytes32);
function setNameForAddr(
address addr,
address owner,
address resolver,
string memory name
) external returns (bytes32);
function node(address addr) external pure returns (bytes32);
}
File 18 of 24 - IERC1155.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
/**
* @dev Required interface of an ERC1155 compliant contract, as defined in the
* https://eips.ethereum.org/EIPS/eip-1155[EIP].
*
* _Available since v3.1._
*/
interface IERC1155 is IERC165 {
/**
* @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
*/
event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);
/**
* @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
* transfers.
*/
event TransferBatch(
address indexed operator,
address indexed from,
address indexed to,
uint256[] ids,
uint256[] values
);
/**
* @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
File 19 of 24 - ERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
pragma solidity ^0.8.0;
import "./IERC165.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}
File 20 of 24 - IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
File 21 of 24 - IERC721Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)
pragma solidity ^0.8.0;
/**
* @title ERC721 token receiver interface
* @dev Interface for any contract that wants to support safeTransfers
* from ERC721 asset contracts.
*/
interface IERC721Receiver {
/**
* @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
*/
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
File 22 of 24 - IERC1155Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
/**
* @dev _Available since v3.1._
*/
interface IERC1155Receiver is IERC165 {
/**
* @dev Handles the receipt of a single ERC1155 token type. This function is
* called at the end of a `safeTransferFrom` after the balance has been updated.
*
* NOTE: To accept the transfer, this must return
* `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
* (i.e. 0xf23a6e61, or its own function selector).
*
* @param operator The address which initiated the transfer (i.e. msg.sender)
* @param from The address which previously owned the token
* @param id The ID of the token being transferred
* @param value The amount of tokens being transferred
* @param data Additional data with no specified format
* @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
*/
function onERC1155Received(
address operator,
address from,
uint256 id,
uint256 value,
bytes calldata data
) external returns (bytes4);
File 23 of 24 - IERC1155MetadataURI.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)
pragma solidity ^0.8.0;
import "../IERC1155.sol";
/**
* @dev Interface of the optional ERC1155MetadataExtension interface, as defined
* in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
*
* _Available since v3.1._
*/
interface IERC1155MetadataURI is IERC1155 {
/**
* @dev Returns the URI for token type `id`.
*
* If the `\{id\}` substring is present in the URI, it must be replaced by
* clients with the actual token type ID.
*/
function uri(uint256 id) external view returns (string memory);
}
File 24 of 24 - immutable-references.json
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ABI
[
{
"inputs": [
{
"internalType": "contract RNS",
"name": "_ens",
"type": "address"
},
{
"internalType": "contract IBaseRegistrar",
"name": "_registrar",
"type": "address"
},
{
"internalType": "contract IMetadataService",
"name": "_metadataService",
"type": "address"
}
],
"stateMutability": "nonpayable",
"type": "constructor"
},
{
"inputs": [],
"name": "CannotUpgrade",
"type": "error"
},
{
"inputs": [],
"name": "IncompatibleParent",
"type": "error"
},
{
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