Feature Tip: Add private address tag to any address under My Name Tag !
ERC-721
NFT
Overview
Max Total Supply
0 ART
Holders
322
Market
Volume (24H)
N/A
Min Price (24H)
N/A
Max Price (24H)
N/A
Other Info
Token Contract
Balance
2 ARTLoading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
Registrar
Compiler Version
v0.8.17+commit.8df45f5f
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
pragma solidity >=0.8.0; import "@ensdomains/ens-contracts/contracts/resolvers/PublicResolver.sol"; import "@ensdomains/ens-contracts/contracts/resolvers/Resolver.sol"; import "@ensdomains/ens-contracts/contracts/root/Controllable.sol"; import "@ensdomains/ens-contracts/contracts/registry/ENSRegistry.sol"; import "@ensdomains/ens-contracts/contracts/registry/ENS.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol"; import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol"; import "@openzeppelin/contracts/utils/Context.sol"; import "@openzeppelin/contracts/utils/Address.sol"; import "@openzeppelin/contracts/utils/Strings.sol"; import "@openzeppelin/contracts/utils/introspection/IERC165.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 iff the specified name is available for registration. function available(uint256 id) external view returns (bool); /** * @dev Register a name. */ function register( uint256 id, address owner, uint256 duration, bool avoidable ) external returns (uint256); function renew(uint256 id, uint256 duration) external returns (uint256); } contract Registrar is ERC721, IBaseRegistrar, Ownable { using Strings for uint256; // A map of expiry times mapping(uint256 => uint256) expiries; // The ENS registry ENS public ens; // The namehash of the TLD this registrar owns (eg, .eth) bytes32 public baseNode; // A map of addresses that are authorised to register and renew names. mapping(address => bool) public controllers; string private baseURI; uint256 public constant GRACE_PERIOD = 90 days; bytes4 private constant INTERFACE_META_ID = bytes4(keccak256("supportsInterface(bytes4)")); bytes4 private constant ERC721_ID = bytes4( keccak256("balanceOf(address)") ^ keccak256("ownerOf(uint256)") ^ keccak256("approve(address,uint256)") ^ keccak256("getApproved(uint256)") ^ keccak256("setApprovalForAll(address,bool)") ^ keccak256("isApprovedForAll(address,address)") ^ keccak256("transferFrom(address,address,uint256)") ^ keccak256("safeTransferFrom(address,address,uint256)") ^ keccak256("safeTransferFrom(address,address,uint256,bytes)") ); bytes4 private constant RECLAIM_ID = bytes4(keccak256("reclaim(uint256,address)")); /** * v2.1.3 version of _isApprovedOrOwner which calls ownerOf(tokenId) and takes grace period into consideration instead of ERC721.ownerOf(tokenId); * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.1.3/contracts/token/ERC721/ERC721.sol#L187 * @dev Returns whether the given spender can transfer a given token ID * @param spender address of the spender to query * @param tokenId uint256 ID of the token to be transferred * @return bool whether the msg.sender is approved for the given token ID, * is an operator of the owner, or is the owner of the token */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view override returns (bool) { address owner = ownerOf(tokenId); return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender)); } function namehash(bytes32 node, bytes32 label) public pure returns (bytes32) { return keccak256(abi.encodePacked(node, label)); } constructor(address _ens, bytes32 _baseNode) ERC721("ART Ethereum Name Service", "ART") { ens = ENS(_ens); baseNode = _baseNode; } function reconfigure(address _ens, bytes32 _baseNode) public virtual onlyOwner{ ens = ENS(_ens); baseNode = _baseNode; } modifier live() { require(ens.owner(baseNode) == address(this)); _; } modifier onlyController() { require(controllers[msg.sender]); _; } // Authorises a controller, who can register and renew domains. function addController(address controller) external override onlyOwner { controllers[controller] = true; emit ControllerAdded(controller); } // Revoke controller permission for an address. function removeController(address controller) external override onlyOwner { controllers[controller] = false; emit ControllerRemoved(controller); } // Set the resolver for the TLD this registrar manages. function setResolver(address resolver) external override onlyOwner { ens.setResolver(baseNode, resolver); } // Returns the expiration timestamp of the specified id. function nameExpires(uint256 id) external view override returns (uint256) { return expiries[id]; } // Returns true iff the specified name is available for registration. function available(uint256 id) public view override returns (bool) { // Not available if it's registered here or in its grace period. return expiries[id] + GRACE_PERIOD < block.timestamp; } /** * @dev Register a name. * @param id The token ID (keccak256 of the label). * @param owner The address that should own the registration. * @param duration Duration in seconds for the registration. */ function register( uint256 id, address owner, uint256 duration, bool avoidable ) external returns (uint256) { return _register(id, owner, duration, avoidable); } function _register( uint256 id, address owner, uint256 duration, bool avoidable ) internal live onlyController returns (uint256) { require(available(id)); require( block.timestamp + duration + GRACE_PERIOD > block.timestamp + GRACE_PERIOD ); // Prevent future if (_exists(id)) { // Name was previously owned, and expired _burn(id); } if (avoidable){ expiries[id] = 0; }else{ expiries[id] = block.timestamp + duration; } _mint(owner, id); ens.setSubnodeOwner(baseNode, bytes32(id), owner); emit NameRegistered(id, owner, block.timestamp + duration); return block.timestamp + duration; } function renew(uint256 id, uint256 duration) external override live onlyController returns (uint256) { require(expiries[id] + GRACE_PERIOD >= block.timestamp); // Name must be registered here or in grace period require( expiries[id] + duration + GRACE_PERIOD > duration + GRACE_PERIOD ); // Prevent future overflow expiries[id] += duration; emit NameRenewed(id, expiries[id]); return expiries[id]; } /** * @dev Reclaim ownership of a name in ENS, if you own it in the registrar. */ function reclaim(uint256 id, address owner) external live { require(_isApprovedOrOwner(msg.sender, id)); ens.setSubnodeOwner(baseNode, bytes32(id), owner); } function setBaseURI(string memory uri) public virtual onlyOwner{ baseURI = uri; } function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { _requireMinted(tokenId); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } function ownerOf(uint256 tokenId) public view override(IERC721, ERC721) returns (address) { require(expiries[tokenId] > block.timestamp); return super.ownerOf(tokenId); } function supportsInterface(bytes4 interfaceID) public view override(ERC721, IERC165) returns (bool) { return interfaceID == INTERFACE_META_ID || interfaceID == ERC721_ID || interfaceID == RECLAIM_ID; } } import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol"; /** * @dev A registrar controller for registering and renewing names at fixed cost. */ contract RegistrarController is Ownable { using ECDSA for bytes32; Registrar base; event NameRegistered(string name, bytes32 indexed label, address indexed owner, uint cost, uint expires); event NameRenewed(string name, bytes32 indexed label, uint cost, uint expires); event NewPriceOracle(address indexed oracle); address[] private witnesses; address private pool; constructor(address _base) { base = Registrar(_base); pool = msg.sender; } function setWitnesses(address[] memory _witnesses) public onlyOwner{ witnesses = _witnesses; } function setPool(address _pool) public virtual onlyOwner{ pool = _pool; } function setRegistrar(address _registrar) public onlyOwner{ base = Registrar(_registrar); } function verifyRenew(uint256 id, uint256 price, uint256 duration, uint256 timelock, bytes[] calldata signatures) internal view returns(bool){ require(timelock>=block.timestamp, "RegistrarController: Call expired"); for (uint i = 0; i<witnesses.length; i++){ if (keccak256(abi.encode(id, price,duration,timelock)).toEthSignedMessageHash().recover(signatures[i])!=witnesses[i]){ return false; } } return true; } function verifyRegister(uint256 id, address owner, uint256 price, uint256 duration, bool avoidable, address resolver, address addr, uint256 timelock, bytes[] calldata signatures) internal view returns(bool){ require(timelock>=block.timestamp, "RegistrarController: Call expired"); for (uint i = 0; i<witnesses.length; i++){ if (keccak256(abi.encode(id, owner, price, duration, avoidable, resolver, addr, timelock)).toEthSignedMessageHash().recover(signatures[i])!=witnesses[i]){ return false; } } return true; } function register( string memory name, address owner, uint256 price, uint256 duration, bool avoidable, address resolver, address addr, uint256 timelock, bytes[] calldata signatures ) public payable { bytes32 label = keccak256(bytes(name)); uint256 tokenId = uint256(label); require(verifyRegister(tokenId, owner, price, duration, avoidable, resolver, addr, timelock, signatures), "Registrar: Invalid signature"); require(msg.value==price, "Registrar: Wrong eth value"); require(payable(pool).send(price), "Registrar: Failed to send eth"); uint expires; if(resolver != address(0)) { // Set this contract as the (temporary) owner, giving it // permission to set up the resolver. base.register(tokenId, address(this), duration, true ); // The nodehash of this label bytes32 nodehash = keccak256(abi.encodePacked(base.baseNode(), label)); // Set the resolver base.ens().setResolver(nodehash, resolver); // Configure the resolver if (addr != address(0)) { Resolver(resolver).setAddr(nodehash, addr); } // Now transfer full ownership to the expeceted owner expires = base.register(tokenId, owner, duration, avoidable); } else { require(addr == address(0)); expires = base.register(tokenId, owner, duration, avoidable); } emit NameRegistered(name, label, owner, price, expires); } function renew(string calldata name, uint256 price, uint256 duration, uint256 timelock, bytes[] calldata signatures) external payable { bytes32 label = keccak256(bytes(name)); uint256 tokenId = uint256(label); require(verifyRenew(tokenId, price, duration, timelock, signatures), "Registrar: Invalid signature"); require(msg.value==price, "Registrar: Wrong eth value"); require(payable(pool).send(price), "Registrar: Failed to send eth"); uint expires = base.renew(tokenId, duration); emit NameRenewed(name, label, price, expires); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.3) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.0; import "../Strings.sol"; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS, InvalidSignatureV } function _throwError(RecoverError error) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert("ECDSA: invalid signature"); } else if (error == RecoverError.InvalidSignatureLength) { revert("ECDSA: invalid signature length"); } else if (error == RecoverError.InvalidSignatureS) { revert("ECDSA: invalid signature 's' value"); } else if (error == RecoverError.InvalidSignatureV) { revert("ECDSA: invalid signature 'v' value"); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature` or error string. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] * * _Available since v4.3._ */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) { if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. /// @solidity memory-safe-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else { return (address(0), RecoverError.InvalidSignatureLength); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, signature); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures] * * _Available since v4.3._ */ function tryRecover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address, RecoverError) { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. * * _Available since v4.2._ */ function recover( bytes32 hash, bytes32 r, bytes32 vs ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, r, vs); _throwError(error); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. * * _Available since v4.3._ */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address, RecoverError) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS); } if (v != 27 && v != 28) { return (address(0), RecoverError.InvalidSignatureV); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature); } return (signer, RecoverError.NoError); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address) { (address recovered, RecoverError error) = tryRecover(hash, v, r, s); _throwError(error); return recovered; } /** * @dev Returns an Ethereum Signed Message, created from a `hash`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) { // 32 is the length in bytes of hash, // enforced by the type signature above return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash)); } /** * @dev Returns an Ethereum Signed Message, created from `s`. This * produces hash corresponding to the one signed with the * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] * JSON-RPC method as part of EIP-191. * * See {recover}. */ function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s)); } /** * @dev Returns an Ethereum Signed Typed Data, created from a * `domainSeparator` and a `structHash`. This produces hash corresponding * to the one signed with the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] * JSON-RPC method as part of EIP-712. * * See {recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) { return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash)); } }
// 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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Strings.sol) pragma solidity ^0.8.0; /** * @dev String operations. */ library Strings { bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef"; uint8 private constant _ADDRESS_LENGTH = 20; /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { // Inspired by OraclizeAPI's implementation - MIT licence // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol if (value == 0) { return "0"; } uint256 temp = value; uint256 digits; while (temp != 0) { digits++; temp /= 10; } bytes memory buffer = new bytes(digits); while (value != 0) { digits -= 1; buffer[digits] = bytes1(uint8(48 + uint256(value % 10))); value /= 10; } return string(buffer); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { if (value == 0) { return "0x00"; } uint256 temp = value; uint256 length = 0; while (temp != 0) { length++; temp >>= 8; } return toHexString(value, length); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = _HEX_SYMBOLS[value & 0xf]; value >>= 4; } require(value == 0, "Strings: hex length insufficient"); return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (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. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// 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; } }
// 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. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/ERC721.sol) pragma solidity ^0.8.0; import "./IERC721.sol"; import "./IERC721Receiver.sol"; import "./extensions/IERC721Metadata.sol"; import "../../utils/Address.sol"; import "../../utils/Context.sol"; import "../../utils/Strings.sol"; import "../../utils/introspection/ERC165.sol"; /** * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including * the Metadata extension, but not including the Enumerable extension, which is available separately as * {ERC721Enumerable}. */ contract ERC721 is Context, ERC165, IERC721, IERC721Metadata { using Address for address; using Strings for uint256; // Token name string private _name; // Token symbol string private _symbol; // Mapping from token ID to owner address mapping(uint256 => address) private _owners; // Mapping owner address to token count mapping(address => uint256) private _balances; // Mapping from token ID to approved address mapping(uint256 => address) private _tokenApprovals; // Mapping from owner to operator approvals mapping(address => mapping(address => bool)) private _operatorApprovals; /** * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) { return interfaceId == type(IERC721).interfaceId || interfaceId == type(IERC721Metadata).interfaceId || super.supportsInterface(interfaceId); } /** * @dev See {IERC721-balanceOf}. */ function balanceOf(address owner) public view virtual override returns (uint256) { require(owner != address(0), "ERC721: address zero is not a valid owner"); return _balances[owner]; } /** * @dev See {IERC721-ownerOf}. */ function ownerOf(uint256 tokenId) public view virtual override returns (address) { address owner = _owners[tokenId]; require(owner != address(0), "ERC721: invalid token ID"); return owner; } /** * @dev See {IERC721Metadata-name}. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev See {IERC721Metadata-symbol}. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev See {IERC721Metadata-tokenURI}. */ function tokenURI(uint256 tokenId) public view virtual override returns (string memory) { _requireMinted(tokenId); string memory baseURI = _baseURI(); return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : ""; } /** * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each * token will be the concatenation of the `baseURI` and the `tokenId`. Empty * by default, can be overridden in child contracts. */ function _baseURI() internal view virtual returns (string memory) { return ""; } /** * @dev See {IERC721-approve}. */ function approve(address to, uint256 tokenId) public virtual override { address owner = ERC721.ownerOf(tokenId); require(to != owner, "ERC721: approval to current owner"); require( _msgSender() == owner || isApprovedForAll(owner, _msgSender()), "ERC721: approve caller is not token owner nor approved for all" ); _approve(to, tokenId); } /** * @dev See {IERC721-getApproved}. */ function getApproved(uint256 tokenId) public view virtual override returns (address) { _requireMinted(tokenId); return _tokenApprovals[tokenId]; } /** * @dev See {IERC721-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) public virtual override { _setApprovalForAll(_msgSender(), operator, approved); } /** * @dev See {IERC721-isApprovedForAll}. */ function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) { return _operatorApprovals[owner][operator]; } /** * @dev See {IERC721-transferFrom}. */ function transferFrom( address from, address to, uint256 tokenId ) public virtual override { //solhint-disable-next-line max-line-length require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner nor approved"); _transfer(from, to, tokenId); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId ) public virtual override { safeTransferFrom(from, to, tokenId, ""); } /** * @dev See {IERC721-safeTransferFrom}. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes memory data ) public virtual override { require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: caller is not token owner nor approved"); _safeTransfer(from, to, tokenId, data); } /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * `data` is additional data, it has no specified format and it is sent in call to `to`. * * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g. * implement alternative mechanisms to perform token transfer, such as signature-based. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeTransfer( address from, address to, uint256 tokenId, bytes memory data ) internal virtual { _transfer(from, to, tokenId); require(_checkOnERC721Received(from, to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer"); } /** * @dev Returns whether `tokenId` exists. * * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}. * * Tokens start existing when they are minted (`_mint`), * and stop existing when they are burned (`_burn`). */ function _exists(uint256 tokenId) internal view virtual returns (bool) { return _owners[tokenId] != address(0); } /** * @dev Returns whether `spender` is allowed to manage `tokenId`. * * Requirements: * * - `tokenId` must exist. */ function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) { address owner = ERC721.ownerOf(tokenId); return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender); } /** * @dev Safely mints `tokenId` and transfers it to `to`. * * Requirements: * * - `tokenId` must not exist. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function _safeMint(address to, uint256 tokenId) internal virtual { _safeMint(to, tokenId, ""); } /** * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is * forwarded in {IERC721Receiver-onERC721Received} to contract recipients. */ function _safeMint( address to, uint256 tokenId, bytes memory data ) internal virtual { _mint(to, tokenId); require( _checkOnERC721Received(address(0), to, tokenId, data), "ERC721: transfer to non ERC721Receiver implementer" ); } /** * @dev Mints `tokenId` and transfers it to `to`. * * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible * * Requirements: * * - `tokenId` must not exist. * - `to` cannot be the zero address. * * Emits a {Transfer} event. */ function _mint(address to, uint256 tokenId) internal virtual { require(to != address(0), "ERC721: mint to the zero address"); require(!_exists(tokenId), "ERC721: token already minted"); _beforeTokenTransfer(address(0), to, tokenId); _balances[to] += 1; _owners[tokenId] = to; emit Transfer(address(0), to, tokenId); _afterTokenTransfer(address(0), to, tokenId); } /** * @dev Destroys `tokenId`. * The approval is cleared when the token is burned. * * Requirements: * * - `tokenId` must exist. * * Emits a {Transfer} event. */ function _burn(uint256 tokenId) internal virtual { address owner = ERC721.ownerOf(tokenId); _beforeTokenTransfer(owner, address(0), tokenId); // Clear approvals _approve(address(0), tokenId); _balances[owner] -= 1; delete _owners[tokenId]; emit Transfer(owner, address(0), tokenId); _afterTokenTransfer(owner, address(0), tokenId); } /** * @dev Transfers `tokenId` from `from` to `to`. * As opposed to {transferFrom}, this imposes no restrictions on msg.sender. * * Requirements: * * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * * Emits a {Transfer} event. */ function _transfer( address from, address to, uint256 tokenId ) internal virtual { require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner"); require(to != address(0), "ERC721: transfer to the zero address"); _beforeTokenTransfer(from, to, tokenId); // Clear approvals from the previous owner _approve(address(0), tokenId); _balances[from] -= 1; _balances[to] += 1; _owners[tokenId] = to; emit Transfer(from, to, tokenId); _afterTokenTransfer(from, to, tokenId); } /** * @dev Approve `to` to operate on `tokenId` * * Emits an {Approval} event. */ function _approve(address to, uint256 tokenId) internal virtual { _tokenApprovals[tokenId] = to; emit Approval(ERC721.ownerOf(tokenId), to, tokenId); } /** * @dev Approve `operator` to operate on all of `owner` tokens * * Emits an {ApprovalForAll} event. */ function _setApprovalForAll( address owner, address operator, bool approved ) internal virtual { require(owner != operator, "ERC721: approve to caller"); _operatorApprovals[owner][operator] = approved; emit ApprovalForAll(owner, operator, approved); } /** * @dev Reverts if the `tokenId` has not been minted yet. */ function _requireMinted(uint256 tokenId) internal view virtual { require(_exists(tokenId), "ERC721: invalid token ID"); } /** * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address. * The call is not executed if the target address is not a contract. * * @param from address representing the previous owner of the given token ID * @param to target address that will receive the tokens * @param tokenId uint256 ID of the token to be transferred * @param data bytes optional data to send along with the call * @return bool whether the call correctly returned the expected magic value */ function _checkOnERC721Received( address from, address to, uint256 tokenId, bytes memory data ) private returns (bool) { if (to.isContract()) { try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, data) returns (bytes4 retval) { return retval == IERC721Receiver.onERC721Received.selector; } catch (bytes memory reason) { if (reason.length == 0) { revert("ERC721: transfer to non ERC721Receiver implementer"); } else { /// @solidity memory-safe-assembly assembly { revert(add(32, reason), mload(reason)) } } } } else { return true; } } /** * @dev Hook that is called before any token transfer. This includes minting * and burning. * * Calling conditions: * * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be * transferred to `to`. * - When `from` is zero, `tokenId` will be minted for `to`. * - When `to` is zero, ``from``'s `tokenId` will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 tokenId ) internal virtual {} }
// 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); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol) pragma solidity ^0.8.0; import "../IERC721.sol"; /** * @title ERC-721 Non-Fungible Token Standard, optional metadata extension * @dev See https://eips.ethereum.org/EIPS/eip-721 */ interface IERC721Metadata is IERC721 { /** * @dev Returns the token collection name. */ function name() external view returns (string memory); /** * @dev Returns the token collection symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token. */ function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (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. * * Requirements: * * - `tokenId` must exist. */ function ownerOf(uint256 tokenId) external view returns (address owner); /** * @dev Safely transfers `tokenId` token from `from` to `to`. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId, bytes calldata data ) external; /** * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients * are aware of the ERC721 protocol to prevent tokens from being forever locked. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must exist and be owned by `from`. * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}. * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer. * * Emits a {Transfer} event. */ function safeTransferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Transfers `tokenId` token from `from` to `to`. * * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `tokenId` token must be owned by `from`. * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 tokenId ) external; /** * @dev Gives permission to `to` to transfer `tokenId` token to another account. * The approval is cleared when the token is transferred. * * Only a single account can be approved at a time, so approving the zero address clears previous approvals. * * Requirements: * * - The caller must own the token or be an approved operator. * - `tokenId` must exist. * * Emits an {Approval} event. */ function approve(address to, uint256 tokenId) external; /** * @dev Approve or remove `operator` as an operator for the caller. * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller. * * Requirements: * * - The `operator` cannot be the caller. * * Emits an {ApprovalForAll} event. */ function setApprovalForAll(address operator, bool _approved) external; /** * @dev Returns the account approved for `tokenId` token. * * Requirements: * * - `tokenId` must exist. */ function getApproved(uint256 tokenId) external view returns (address operator); /** * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`. * * See {setApprovalForAll} */ function isApprovedForAll(address owner, address operator) external view returns (bool); }
pragma solidity >=0.8.4; interface ENS { // 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, address resolver, uint64 ttl ) external; function setSubnodeOwner( bytes32 node, bytes32 label, address owner ) external returns (bytes32); function setResolver(bytes32 node, address resolver) external; function setOwner(bytes32 node, address owner) external; function setTTL(bytes32 node, uint64 ttl) external; function setApprovalForAll(address operator, bool approved) external; function owner(bytes32 node) external view returns (address); function resolver(bytes32 node) external view returns (address); function ttl(bytes32 node) external view returns (uint64); function recordExists(bytes32 node) external view returns (bool); function isApprovedForAll(address owner, address operator) external view returns (bool); }
pragma solidity >=0.8.4; import "./ENS.sol"; /** * The ENS registry contract. */ contract ENSRegistry is ENS { struct Record { address owner; address resolver; uint64 ttl; } mapping(bytes32 => Record) records; mapping(address => mapping(address => bool)) operators; // Permits modifications only by the owner of the specified node. modifier authorised(bytes32 node) { address owner = records[node].owner; require(owner == msg.sender || operators[owner][msg.sender]); _; } /** * @dev Constructs a new ENS registry. */ constructor() public { records[0x0].owner = msg.sender; } /** * @dev Sets the record for a node. * @param node The node to update. * @param owner The address of the new owner. * @param resolver The address of the resolver. * @param ttl The TTL in seconds. */ function setRecord( bytes32 node, address owner, address resolver, uint64 ttl ) external virtual override { setOwner(node, owner); _setResolverAndTTL(node, resolver, ttl); } /** * @dev Sets the record for a subnode. * @param node The parent node. * @param label The hash of the label specifying the subnode. * @param owner The address of the new owner. * @param resolver The address of the resolver. * @param ttl The TTL in seconds. */ function setSubnodeRecord( bytes32 node, bytes32 label, address owner, address resolver, uint64 ttl ) external virtual override { bytes32 subnode = setSubnodeOwner(node, label, owner); _setResolverAndTTL(subnode, resolver, ttl); } /** * @dev Transfers ownership of a node to a new address. May only be called by the current owner of the node. * @param node The node to transfer ownership of. * @param owner The address of the new owner. */ function setOwner(bytes32 node, address owner) public virtual override authorised(node) { _setOwner(node, owner); emit Transfer(node, owner); } /** * @dev Transfers ownership of a subnode keccak256(node, label) to a new address. May only be called by the owner of the parent node. * @param node The parent node. * @param label The hash of the label specifying the subnode. * @param owner The address of the new owner. */ function setSubnodeOwner( bytes32 node, bytes32 label, address owner ) public virtual override authorised(node) returns (bytes32) { bytes32 subnode = keccak256(abi.encodePacked(node, label)); _setOwner(subnode, owner); emit NewOwner(node, label, owner); return subnode; } /** * @dev Sets the resolver address for the specified node. * @param node The node to update. * @param resolver The address of the resolver. */ function setResolver(bytes32 node, address resolver) public virtual override authorised(node) { emit NewResolver(node, resolver); records[node].resolver = resolver; } /** * @dev Sets the TTL for the specified node. * @param node The node to update. * @param ttl The TTL in seconds. */ function setTTL(bytes32 node, uint64 ttl) public virtual override authorised(node) { emit NewTTL(node, ttl); records[node].ttl = ttl; } /** * @dev Enable or disable approval for a third party ("operator") to manage * all of `msg.sender`'s ENS records. Emits the ApprovalForAll event. * @param operator Address to add to the set of authorized operators. * @param approved True if the operator is approved, false to revoke approval. */ function setApprovalForAll(address operator, bool approved) external virtual override { operators[msg.sender][operator] = approved; emit ApprovalForAll(msg.sender, operator, approved); } /** * @dev Returns the address that owns the specified node. * @param node The specified node. * @return address of the owner. */ function owner(bytes32 node) public view virtual override returns (address) { address addr = records[node].owner; if (addr == address(this)) { return address(0x0); } return addr; } /** * @dev Returns the address of the resolver for the specified node. * @param node The specified node. * @return address of the resolver. */ function resolver(bytes32 node) public view virtual override returns (address) { return records[node].resolver; } /** * @dev Returns the TTL of a node, and any records associated with it. * @param node The specified node. * @return ttl of the node. */ function ttl(bytes32 node) public view virtual override returns (uint64) { return records[node].ttl; } /** * @dev Returns whether a record has been imported to the registry. * @param node The specified node. * @return Bool if record exists */ function recordExists(bytes32 node) public view virtual override returns (bool) { return records[node].owner != address(0x0); } /** * @dev Query if an address is an authorized operator for another address. * @param owner The address that owns the records. * @param operator The address that acts on behalf of the owner. * @return True if `operator` is an approved operator for `owner`, false otherwise. */ function isApprovedForAll(address owner, address operator) external view virtual override returns (bool) { return operators[owner][operator]; } function _setOwner(bytes32 node, address owner) internal virtual { records[node].owner = owner; } function _setResolverAndTTL( bytes32 node, address resolver, uint64 ttl ) internal { if (resolver != records[node].resolver) { records[node].resolver = resolver; emit NewResolver(node, resolver); } if (ttl != records[node].ttl) { records[node].ttl = ttl; emit NewTTL(node, ttl); } } }
pragma solidity ^0.8.4; import "@openzeppelin/contracts/access/Ownable.sol"; contract Controllable is Ownable { mapping(address => bool) public controllers; event ControllerChanged(address indexed controller, bool enabled); modifier onlyController() { require( controllers[msg.sender], "Controllable: Caller is not a controller" ); _; } function setController(address controller, bool enabled) public onlyOwner { controllers[controller] = enabled; emit ControllerChanged(controller, enabled); } }
//SPDX-License-Identifier: MIT pragma solidity >=0.8.4; import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; import "./profiles/IABIResolver.sol"; import "./profiles/IAddressResolver.sol"; import "./profiles/IAddrResolver.sol"; import "./profiles/IContentHashResolver.sol"; import "./profiles/IDNSRecordResolver.sol"; import "./profiles/IDNSZoneResolver.sol"; import "./profiles/IInterfaceResolver.sol"; import "./profiles/INameResolver.sol"; import "./profiles/IPubkeyResolver.sol"; import "./profiles/ITextResolver.sol"; import "./profiles/IExtendedResolver.sol"; /** * A generic resolver interface which includes all the functions including the ones deprecated */ interface Resolver is IERC165, IABIResolver, IAddressResolver, IAddrResolver, IContentHashResolver, IDNSRecordResolver, IDNSZoneResolver, IInterfaceResolver, INameResolver, IPubkeyResolver, ITextResolver, IExtendedResolver { /* Deprecated events */ event ContentChanged(bytes32 indexed node, bytes32 hash); function setABI( bytes32 node, uint256 contentType, bytes calldata data ) external; function setAddr(bytes32 node, address addr) external; function setAddr( bytes32 node, uint256 coinType, bytes calldata a ) external; function setContenthash(bytes32 node, bytes calldata hash) external; function setDnsrr(bytes32 node, bytes calldata data) external; function setName(bytes32 node, string calldata _name) external; function setPubkey( bytes32 node, bytes32 x, bytes32 y ) external; function setText( bytes32 node, string calldata key, string calldata value ) external; function setInterface( bytes32 node, bytes4 interfaceID, address implementer ) external; function multicall(bytes[] calldata data) external returns (bytes[] memory results); function multicallWithNodeCheck(bytes32 nodehash, bytes[] calldata data) external returns (bytes[] memory results); /* Deprecated functions */ function content(bytes32 node) external view returns (bytes32); function multihash(bytes32 node) external view returns (bytes memory); function setContent(bytes32 node, bytes32 hash) external; function setMultihash(bytes32 node, bytes calldata hash) external; }
//SPDX-License-Identifier: MIT pragma solidity >=0.8.17 <0.9.0; import "../registry/ENS.sol"; import "./profiles/ABIResolver.sol"; import "./profiles/AddrResolver.sol"; import "./profiles/ContentHashResolver.sol"; import "./profiles/DNSResolver.sol"; import "./profiles/InterfaceResolver.sol"; import "./profiles/NameResolver.sol"; import "./profiles/PubkeyResolver.sol"; import "./profiles/TextResolver.sol"; import "./Multicallable.sol"; interface INameWrapper { function ownerOf(uint256 id) external view returns (address); } /** * A simple resolver anyone can use; only allows the owner of a node to set its * address. */ contract PublicResolver is Multicallable, ABIResolver, AddrResolver, ContentHashResolver, DNSResolver, InterfaceResolver, NameResolver, PubkeyResolver, TextResolver { ENS immutable ens; INameWrapper immutable nameWrapper; address immutable trustedETHController; address immutable trustedReverseRegistrar; /** * A mapping of operators. An address that is authorised for an address * may make any changes to the name that the owner could, but may not update * the set of authorisations. * (owner, operator) => approved */ mapping(address => mapping(address => bool)) private _operatorApprovals; // Logged when an operator is added or removed. event ApprovalForAll( address indexed owner, address indexed operator, bool approved ); constructor( ENS _ens, INameWrapper wrapperAddress, address _trustedETHController, address _trustedReverseRegistrar ) { ens = _ens; nameWrapper = wrapperAddress; trustedETHController = _trustedETHController; trustedReverseRegistrar = _trustedReverseRegistrar; } /** * @dev See {IERC1155-setApprovalForAll}. */ function setApprovalForAll(address operator, bool approved) external { require( msg.sender != operator, "ERC1155: setting approval status for self" ); _operatorApprovals[msg.sender][operator] = approved; emit ApprovalForAll(msg.sender, operator, approved); } /** * @dev See {IERC1155-isApprovedForAll}. */ function isApprovedForAll(address account, address operator) public view returns (bool) { return _operatorApprovals[account][operator]; } function isAuthorised(bytes32 node) internal view override returns (bool) { if ( msg.sender == trustedETHController || msg.sender == trustedReverseRegistrar ) { return true; } address owner = ens.owner(node); if (owner == address(nameWrapper)) { owner = nameWrapper.ownerOf(uint256(node)); } return owner == msg.sender || isApprovedForAll(owner, msg.sender); } function supportsInterface(bytes4 interfaceID) public view override( Multicallable, ABIResolver, AddrResolver, ContentHashResolver, DNSResolver, InterfaceResolver, NameResolver, PubkeyResolver, TextResolver ) returns (bool) { return super.supportsInterface(interfaceID); } }
// 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; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; interface IExtendedResolver { function resolve(bytes memory name, bytes memory data) external view returns (bytes memory, address); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; interface ITextResolver { event TextChanged( bytes32 indexed node, string indexed indexedKey, string key, string value ); /** * Returns the text data associated with an ENS node and key. * @param node The ENS node to query. * @param key The text data key to query. * @return The associated text data. */ function text(bytes32 node, string calldata key) external view returns (string memory); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; interface IPubkeyResolver { event PubkeyChanged(bytes32 indexed node, bytes32 x, bytes32 y); /** * Returns the SECP256k1 public key associated with an ENS node. * Defined in EIP 619. * @param node The ENS node to query * @return x The X coordinate of the curve point for the public key. * @return y The Y coordinate of the curve point for the public key. */ function pubkey(bytes32 node) external view returns (bytes32 x, bytes32 y); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; interface INameResolver { event NameChanged(bytes32 indexed node, string name); /** * Returns the name associated with an ENS node, for reverse records. * Defined in EIP181. * @param node The ENS node to query. * @return The associated name. */ function name(bytes32 node) external view returns (string memory); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; interface IInterfaceResolver { event InterfaceChanged( bytes32 indexed node, bytes4 indexed interfaceID, address implementer ); /** * Returns the address of a contract that implements the specified interface for this name. * If an implementer has not been set for this interfaceID and name, the resolver will query * the contract at `addr()`. If `addr()` is set, a contract exists at that address, and that * contract implements EIP165 and returns `true` for the specified interfaceID, its address * will be returned. * @param node The ENS node to query. * @param interfaceID The EIP 165 interface ID to check for. * @return The address that implements this interface, or 0 if the interface is unsupported. */ function interfaceImplementer(bytes32 node, bytes4 interfaceID) external view returns (address); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; interface IDNSZoneResolver { // DNSZonehashChanged is emitted whenever a given node's zone hash is updated. event DNSZonehashChanged( bytes32 indexed node, bytes lastzonehash, bytes zonehash ); /** * zonehash obtains the hash for the zone. * @param node The ENS node to query. * @return The associated contenthash. */ function zonehash(bytes32 node) external view returns (bytes memory); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; interface IDNSRecordResolver { // DNSRecordChanged is emitted whenever a given node/name/resource's RRSET is updated. event DNSRecordChanged( bytes32 indexed node, bytes name, uint16 resource, bytes record ); // DNSRecordDeleted is emitted whenever a given node/name/resource's RRSET is deleted. event DNSRecordDeleted(bytes32 indexed node, bytes name, uint16 resource); /** * Obtain a DNS record. * @param node the namehash of the node for which to fetch the record * @param name the keccak-256 hash of the fully-qualified name for which to fetch the record * @param resource the ID of the resource as per https://en.wikipedia.org/wiki/List_of_DNS_record_types * @return the DNS record in wire format if present, otherwise empty */ function dnsRecord( bytes32 node, bytes32 name, uint16 resource ) external view returns (bytes memory); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; interface IContentHashResolver { event ContenthashChanged(bytes32 indexed node, bytes hash); /** * Returns the contenthash associated with an ENS node. * @param node The ENS node to query. * @return The associated contenthash. */ function contenthash(bytes32 node) external view returns (bytes memory); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; /** * Interface for the legacy (ETH-only) addr function. */ interface IAddrResolver { event AddrChanged(bytes32 indexed node, address a); /** * Returns the address associated with an ENS node. * @param node The ENS node to query. * @return The associated address. */ function addr(bytes32 node) external view returns (address payable); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; /** * Interface for the new (multicoin) addr function. */ interface IAddressResolver { event AddressChanged( bytes32 indexed node, uint256 coinType, bytes newAddress ); function addr(bytes32 node, uint256 coinType) external view returns (bytes memory); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; import "./IABIResolver.sol"; import "../ResolverBase.sol"; interface IABIResolver { event ABIChanged(bytes32 indexed node, uint256 indexed contentType); /** * Returns the ABI associated with an ENS node. * Defined in EIP205. * @param node The ENS node to query * @param contentTypes A bitwise OR of the ABI formats accepted by the caller. * @return contentType The content type of the return value * @return data The ABI data */ function ABI(bytes32 node, uint256 contentTypes) external view returns (uint256, bytes memory); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; import "./IMulticallable.sol"; import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; abstract contract Multicallable is IMulticallable, ERC165 { function _multicall(bytes32 nodehash, bytes[] calldata data) internal returns (bytes[] memory results) { results = new bytes[](data.length); for (uint256 i = 0; i < data.length; i++) { if (nodehash != bytes32(0)) { bytes32 txNamehash = bytes32(data[i][4:36]); require( txNamehash == nodehash, "multicall: All records must have a matching namehash" ); } (bool success, bytes memory result) = address(this).delegatecall( data[i] ); require(success); results[i] = result; } return results; } // This function provides an extra security check when called // from priviledged contracts (such as EthRegistrarController) // that can set records on behalf of the node owners function multicallWithNodeCheck(bytes32 nodehash, bytes[] calldata data) external returns (bytes[] memory results) { return _multicall(nodehash, data); } function multicall(bytes[] calldata data) public override returns (bytes[] memory results) { return _multicall(bytes32(0), data); } function supportsInterface(bytes4 interfaceID) public view virtual override returns (bool) { return interfaceID == type(IMulticallable).interfaceId || super.supportsInterface(interfaceID); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; import "../ResolverBase.sol"; import "./ITextResolver.sol"; abstract contract TextResolver is ITextResolver, ResolverBase { mapping(uint64 => mapping(bytes32 => mapping(string => string))) versionable_texts; /** * Sets the text data associated with an ENS node and key. * May only be called by the owner of that node in the ENS registry. * @param node The node to update. * @param key The key to set. * @param value The text data value to set. */ function setText( bytes32 node, string calldata key, string calldata value ) external virtual authorised(node) { versionable_texts[recordVersions[node]][node][key] = value; emit TextChanged(node, key, key, value); } /** * Returns the text data associated with an ENS node and key. * @param node The ENS node to query. * @param key The text data key to query. * @return The associated text data. */ function text(bytes32 node, string calldata key) external view virtual override returns (string memory) { return versionable_texts[recordVersions[node]][node][key]; } function supportsInterface(bytes4 interfaceID) public view virtual override returns (bool) { return interfaceID == type(ITextResolver).interfaceId || super.supportsInterface(interfaceID); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; import "../ResolverBase.sol"; import "./IPubkeyResolver.sol"; abstract contract PubkeyResolver is IPubkeyResolver, ResolverBase { struct PublicKey { bytes32 x; bytes32 y; } mapping(uint64 => mapping(bytes32 => PublicKey)) versionable_pubkeys; /** * Sets the SECP256k1 public key associated with an ENS node. * @param node The ENS node to query * @param x the X coordinate of the curve point for the public key. * @param y the Y coordinate of the curve point for the public key. */ function setPubkey( bytes32 node, bytes32 x, bytes32 y ) external virtual authorised(node) { versionable_pubkeys[recordVersions[node]][node] = PublicKey(x, y); emit PubkeyChanged(node, x, y); } /** * Returns the SECP256k1 public key associated with an ENS node. * Defined in EIP 619. * @param node The ENS node to query * @return x The X coordinate of the curve point for the public key. * @return y The Y coordinate of the curve point for the public key. */ function pubkey(bytes32 node) external view virtual override returns (bytes32 x, bytes32 y) { uint64 currentRecordVersion = recordVersions[node]; return ( versionable_pubkeys[currentRecordVersion][node].x, versionable_pubkeys[currentRecordVersion][node].y ); } function supportsInterface(bytes4 interfaceID) public view virtual override returns (bool) { return interfaceID == type(IPubkeyResolver).interfaceId || super.supportsInterface(interfaceID); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; import "../ResolverBase.sol"; import "./INameResolver.sol"; abstract contract NameResolver is INameResolver, ResolverBase { mapping(uint64 => mapping(bytes32 => string)) versionable_names; /** * Sets the name associated with an ENS node, for reverse records. * May only be called by the owner of that node in the ENS registry. * @param node The node to update. */ function setName(bytes32 node, string calldata newName) external virtual authorised(node) { versionable_names[recordVersions[node]][node] = newName; emit NameChanged(node, newName); } /** * Returns the name associated with an ENS node, for reverse records. * Defined in EIP181. * @param node The ENS node to query. * @return The associated name. */ function name(bytes32 node) external view virtual override returns (string memory) { return versionable_names[recordVersions[node]][node]; } function supportsInterface(bytes4 interfaceID) public view virtual override returns (bool) { return interfaceID == type(INameResolver).interfaceId || super.supportsInterface(interfaceID); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; import "@openzeppelin/contracts/utils/introspection/IERC165.sol"; import "../ResolverBase.sol"; import "./AddrResolver.sol"; import "./IInterfaceResolver.sol"; abstract contract InterfaceResolver is IInterfaceResolver, AddrResolver { mapping(uint64 => mapping(bytes32 => mapping(bytes4 => address))) versionable_interfaces; /** * Sets an interface associated with a name. * Setting the address to 0 restores the default behaviour of querying the contract at `addr()` for interface support. * @param node The node to update. * @param interfaceID The EIP 165 interface ID. * @param implementer The address of a contract that implements this interface for this node. */ function setInterface( bytes32 node, bytes4 interfaceID, address implementer ) external virtual authorised(node) { versionable_interfaces[recordVersions[node]][node][interfaceID] = implementer; emit InterfaceChanged(node, interfaceID, implementer); } /** * Returns the address of a contract that implements the specified interface for this name. * If an implementer has not been set for this interfaceID and name, the resolver will query * the contract at `addr()`. If `addr()` is set, a contract exists at that address, and that * contract implements EIP165 and returns `true` for the specified interfaceID, its address * will be returned. * @param node The ENS node to query. * @param interfaceID The EIP 165 interface ID to check for. * @return The address that implements this interface, or 0 if the interface is unsupported. */ function interfaceImplementer(bytes32 node, bytes4 interfaceID) external view virtual override returns (address) { address implementer = versionable_interfaces[recordVersions[node]][node][interfaceID]; if (implementer != address(0)) { return implementer; } address a = addr(node); if (a == address(0)) { return address(0); } (bool success, bytes memory returnData) = a.staticcall( abi.encodeWithSignature( "supportsInterface(bytes4)", type(IERC165).interfaceId ) ); if (!success || returnData.length < 32 || returnData[31] == 0) { // EIP 165 not supported by target return address(0); } (success, returnData) = a.staticcall( abi.encodeWithSignature("supportsInterface(bytes4)", interfaceID) ); if (!success || returnData.length < 32 || returnData[31] == 0) { // Specified interface not supported by target return address(0); } return a; } function supportsInterface(bytes4 interfaceID) public view virtual override returns (bool) { return interfaceID == type(IInterfaceResolver).interfaceId || super.supportsInterface(interfaceID); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; import "../ResolverBase.sol"; import "../../dnssec-oracle/RRUtils.sol"; import "./IDNSRecordResolver.sol"; import "./IDNSZoneResolver.sol"; abstract contract DNSResolver is IDNSRecordResolver, IDNSZoneResolver, ResolverBase { using RRUtils for *; using BytesUtils for bytes; // Zone hashes for the domains. // A zone hash is an EIP-1577 content hash in binary format that should point to a // resource containing a single zonefile. // node => contenthash mapping(uint64 => mapping(bytes32 => bytes)) private versionable_zonehashes; // The records themselves. Stored as binary RRSETs // node => version => name => resource => data mapping(uint64 => mapping(bytes32 => mapping(bytes32 => mapping(uint16 => bytes)))) private versionable_records; // Count of number of entries for a given name. Required for DNS resolvers // when resolving wildcards. // node => version => name => number of records mapping(uint64 => mapping(bytes32 => mapping(bytes32 => uint16))) private versionable_nameEntriesCount; /** * Set one or more DNS records. Records are supplied in wire-format. * Records with the same node/name/resource must be supplied one after the * other to ensure the data is updated correctly. For example, if the data * was supplied: * a.example.com IN A 1.2.3.4 * a.example.com IN A 5.6.7.8 * www.example.com IN CNAME a.example.com. * then this would store the two A records for a.example.com correctly as a * single RRSET, however if the data was supplied: * a.example.com IN A 1.2.3.4 * www.example.com IN CNAME a.example.com. * a.example.com IN A 5.6.7.8 * then this would store the first A record, the CNAME, then the second A * record which would overwrite the first. * * @param node the namehash of the node for which to set the records * @param data the DNS wire format records to set */ function setDNSRecords(bytes32 node, bytes calldata data) external virtual authorised(node) { uint16 resource = 0; uint256 offset = 0; bytes memory name; bytes memory value; bytes32 nameHash; uint64 version = recordVersions[node]; // Iterate over the data to add the resource records for ( RRUtils.RRIterator memory iter = data.iterateRRs(0); !iter.done(); iter.next() ) { if (resource == 0) { resource = iter.dnstype; name = iter.name(); nameHash = keccak256(abi.encodePacked(name)); value = bytes(iter.rdata()); } else { bytes memory newName = iter.name(); if (resource != iter.dnstype || !name.equals(newName)) { setDNSRRSet( node, name, resource, data, offset, iter.offset - offset, value.length == 0, version ); resource = iter.dnstype; offset = iter.offset; name = newName; nameHash = keccak256(name); value = bytes(iter.rdata()); } } } if (name.length > 0) { setDNSRRSet( node, name, resource, data, offset, data.length - offset, value.length == 0, version ); } } /** * Obtain a DNS record. * @param node the namehash of the node for which to fetch the record * @param name the keccak-256 hash of the fully-qualified name for which to fetch the record * @param resource the ID of the resource as per https://en.wikipedia.org/wiki/List_of_DNS_record_types * @return the DNS record in wire format if present, otherwise empty */ function dnsRecord( bytes32 node, bytes32 name, uint16 resource ) public view virtual override returns (bytes memory) { return versionable_records[recordVersions[node]][node][name][resource]; } /** * Check if a given node has records. * @param node the namehash of the node for which to check the records * @param name the namehash of the node for which to check the records */ function hasDNSRecords(bytes32 node, bytes32 name) public view virtual returns (bool) { return (versionable_nameEntriesCount[recordVersions[node]][node][ name ] != 0); } /** * setZonehash sets the hash for the zone. * May only be called by the owner of that node in the ENS registry. * @param node The node to update. * @param hash The zonehash to set */ function setZonehash(bytes32 node, bytes calldata hash) external virtual authorised(node) { uint64 currentRecordVersion = recordVersions[node]; bytes memory oldhash = versionable_zonehashes[currentRecordVersion][ node ]; versionable_zonehashes[currentRecordVersion][node] = hash; emit DNSZonehashChanged(node, oldhash, hash); } /** * zonehash obtains the hash for the zone. * @param node The ENS node to query. * @return The associated contenthash. */ function zonehash(bytes32 node) external view virtual override returns (bytes memory) { return versionable_zonehashes[recordVersions[node]][node]; } function supportsInterface(bytes4 interfaceID) public view virtual override returns (bool) { return interfaceID == type(IDNSRecordResolver).interfaceId || interfaceID == type(IDNSZoneResolver).interfaceId || super.supportsInterface(interfaceID); } function setDNSRRSet( bytes32 node, bytes memory name, uint16 resource, bytes memory data, uint256 offset, uint256 size, bool deleteRecord, uint64 version ) private { bytes32 nameHash = keccak256(name); bytes memory rrData = data.substring(offset, size); if (deleteRecord) { if ( versionable_records[version][node][nameHash][resource].length != 0 ) { versionable_nameEntriesCount[version][node][nameHash]--; } delete (versionable_records[version][node][nameHash][resource]); emit DNSRecordDeleted(node, name, resource); } else { if ( versionable_records[version][node][nameHash][resource].length == 0 ) { versionable_nameEntriesCount[version][node][nameHash]++; } versionable_records[version][node][nameHash][resource] = rrData; emit DNSRecordChanged(node, name, resource, rrData); } } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; import "../ResolverBase.sol"; import "./IContentHashResolver.sol"; abstract contract ContentHashResolver is IContentHashResolver, ResolverBase { mapping(uint64 => mapping(bytes32 => bytes)) versionable_hashes; /** * Sets the contenthash associated with an ENS node. * May only be called by the owner of that node in the ENS registry. * @param node The node to update. * @param hash The contenthash to set */ function setContenthash(bytes32 node, bytes calldata hash) external virtual authorised(node) { versionable_hashes[recordVersions[node]][node] = hash; emit ContenthashChanged(node, hash); } /** * Returns the contenthash associated with an ENS node. * @param node The ENS node to query. * @return The associated contenthash. */ function contenthash(bytes32 node) external view virtual override returns (bytes memory) { return versionable_hashes[recordVersions[node]][node]; } function supportsInterface(bytes4 interfaceID) public view virtual override returns (bool) { return interfaceID == type(IContentHashResolver).interfaceId || super.supportsInterface(interfaceID); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; import "../ResolverBase.sol"; import "./IAddrResolver.sol"; import "./IAddressResolver.sol"; abstract contract AddrResolver is IAddrResolver, IAddressResolver, ResolverBase { uint256 private constant COIN_TYPE_ETH = 60; mapping(uint64 => mapping(bytes32 => mapping(uint256 => bytes))) versionable_addresses; /** * Sets the address associated with an ENS node. * May only be called by the owner of that node in the ENS registry. * @param node The node to update. * @param a The address to set. */ function setAddr(bytes32 node, address a) external virtual authorised(node) { setAddr(node, COIN_TYPE_ETH, addressToBytes(a)); } /** * Returns the address associated with an ENS node. * @param node The ENS node to query. * @return The associated address. */ function addr(bytes32 node) public view virtual override returns (address payable) { bytes memory a = addr(node, COIN_TYPE_ETH); if (a.length == 0) { return payable(0); } return bytesToAddress(a); } function setAddr( bytes32 node, uint256 coinType, bytes memory a ) public virtual authorised(node) { emit AddressChanged(node, coinType, a); if (coinType == COIN_TYPE_ETH) { emit AddrChanged(node, bytesToAddress(a)); } versionable_addresses[recordVersions[node]][node][coinType] = a; } function addr(bytes32 node, uint256 coinType) public view virtual override returns (bytes memory) { return versionable_addresses[recordVersions[node]][node][coinType]; } function supportsInterface(bytes4 interfaceID) public view virtual override returns (bool) { return interfaceID == type(IAddrResolver).interfaceId || interfaceID == type(IAddressResolver).interfaceId || super.supportsInterface(interfaceID); } function bytesToAddress(bytes memory b) internal pure returns (address payable a) { require(b.length == 20); assembly { a := div(mload(add(b, 32)), exp(256, 12)) } } function addressToBytes(address a) internal pure returns (bytes memory b) { b = new bytes(20); assembly { mstore(add(b, 32), mul(a, exp(256, 12))) } } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; import "./IABIResolver.sol"; import "../ResolverBase.sol"; abstract contract ABIResolver is IABIResolver, ResolverBase { mapping(uint64 => mapping(bytes32 => mapping(uint256 => bytes))) versionable_abis; /** * Sets the ABI associated with an ENS node. * Nodes may have one ABI of each content type. To remove an ABI, set it to * the empty string. * @param node The node to update. * @param contentType The content type of the ABI * @param data The ABI data. */ function setABI( bytes32 node, uint256 contentType, bytes calldata data ) external virtual authorised(node) { // Content types must be powers of 2 require(((contentType - 1) & contentType) == 0); versionable_abis[recordVersions[node]][node][contentType] = data; emit ABIChanged(node, contentType); } /** * Returns the ABI associated with an ENS node. * Defined in EIP205. * @param node The ENS node to query * @param contentTypes A bitwise OR of the ABI formats accepted by the caller. * @return contentType The content type of the return value * @return data The ABI data */ function ABI(bytes32 node, uint256 contentTypes) external view virtual override returns (uint256, bytes memory) { mapping(uint256 => bytes) storage abiset = versionable_abis[ recordVersions[node] ][node]; for ( uint256 contentType = 1; contentType <= contentTypes; contentType <<= 1 ) { if ( (contentType & contentTypes) != 0 && abiset[contentType].length > 0 ) { return (contentType, abiset[contentType]); } } return (0, bytes("")); } function supportsInterface(bytes4 interfaceID) public view virtual override returns (bool) { return interfaceID == type(IABIResolver).interfaceId || super.supportsInterface(interfaceID); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; import "@openzeppelin/contracts/utils/introspection/ERC165.sol"; import "./profiles/IVersionableResolver.sol"; abstract contract ResolverBase is ERC165, IVersionableResolver { mapping(bytes32 => uint64) public recordVersions; function isAuthorised(bytes32 node) internal view virtual returns (bool); modifier authorised(bytes32 node) { require(isAuthorised(node)); _; } /** * Increments the record version associated with an ENS node. * May only be called by the owner of that node in the ENS registry. * @param node The node to update. */ function clearRecords(bytes32 node) public virtual authorised(node) { recordVersions[node]++; emit VersionChanged(node, recordVersions[node]); } function supportsInterface(bytes4 interfaceID) public view virtual override returns (bool) { return interfaceID == type(IVersionableResolver).interfaceId || super.supportsInterface(interfaceID); } }
pragma solidity ^0.8.4; import "./BytesUtils.sol"; import "@ensdomains/buffer/contracts/Buffer.sol"; /** * @dev RRUtils is a library that provides utilities for parsing DNS resource records. */ library RRUtils { using BytesUtils for *; using Buffer for *; /** * @dev Returns the number of bytes in the DNS name at 'offset' in 'self'. * @param self The byte array to read a name from. * @param offset The offset to start reading at. * @return The length of the DNS name at 'offset', in bytes. */ function nameLength(bytes memory self, uint256 offset) internal pure returns (uint256) { uint256 idx = offset; while (true) { assert(idx < self.length); uint256 labelLen = self.readUint8(idx); idx += labelLen + 1; if (labelLen == 0) { break; } } return idx - offset; } /** * @dev Returns a DNS format name at the specified offset of self. * @param self The byte array to read a name from. * @param offset The offset to start reading at. * @return ret The name. */ function readName(bytes memory self, uint256 offset) internal pure returns (bytes memory ret) { uint256 len = nameLength(self, offset); return self.substring(offset, len); } /** * @dev Returns the number of labels in the DNS name at 'offset' in 'self'. * @param self The byte array to read a name from. * @param offset The offset to start reading at. * @return The number of labels in the DNS name at 'offset', in bytes. */ function labelCount(bytes memory self, uint256 offset) internal pure returns (uint256) { uint256 count = 0; while (true) { assert(offset < self.length); uint256 labelLen = self.readUint8(offset); offset += labelLen + 1; if (labelLen == 0) { break; } count += 1; } return count; } uint256 constant RRSIG_TYPE = 0; uint256 constant RRSIG_ALGORITHM = 2; uint256 constant RRSIG_LABELS = 3; uint256 constant RRSIG_TTL = 4; uint256 constant RRSIG_EXPIRATION = 8; uint256 constant RRSIG_INCEPTION = 12; uint256 constant RRSIG_KEY_TAG = 16; uint256 constant RRSIG_SIGNER_NAME = 18; struct SignedSet { uint16 typeCovered; uint8 algorithm; uint8 labels; uint32 ttl; uint32 expiration; uint32 inception; uint16 keytag; bytes signerName; bytes data; bytes name; } function readSignedSet(bytes memory data) internal pure returns (SignedSet memory self) { self.typeCovered = data.readUint16(RRSIG_TYPE); self.algorithm = data.readUint8(RRSIG_ALGORITHM); self.labels = data.readUint8(RRSIG_LABELS); self.ttl = data.readUint32(RRSIG_TTL); self.expiration = data.readUint32(RRSIG_EXPIRATION); self.inception = data.readUint32(RRSIG_INCEPTION); self.keytag = data.readUint16(RRSIG_KEY_TAG); self.signerName = readName(data, RRSIG_SIGNER_NAME); self.data = data.substring( RRSIG_SIGNER_NAME + self.signerName.length, data.length - RRSIG_SIGNER_NAME - self.signerName.length ); } function rrs(SignedSet memory rrset) internal pure returns (RRIterator memory) { return iterateRRs(rrset.data, 0); } /** * @dev An iterator over resource records. */ struct RRIterator { bytes data; uint256 offset; uint16 dnstype; uint16 class; uint32 ttl; uint256 rdataOffset; uint256 nextOffset; } /** * @dev Begins iterating over resource records. * @param self The byte string to read from. * @param offset The offset to start reading at. * @return ret An iterator object. */ function iterateRRs(bytes memory self, uint256 offset) internal pure returns (RRIterator memory ret) { ret.data = self; ret.nextOffset = offset; next(ret); } /** * @dev Returns true iff there are more RRs to iterate. * @param iter The iterator to check. * @return True iff the iterator has finished. */ function done(RRIterator memory iter) internal pure returns (bool) { return iter.offset >= iter.data.length; } /** * @dev Moves the iterator to the next resource record. * @param iter The iterator to advance. */ function next(RRIterator memory iter) internal pure { iter.offset = iter.nextOffset; if (iter.offset >= iter.data.length) { return; } // Skip the name uint256 off = iter.offset + nameLength(iter.data, iter.offset); // Read type, class, and ttl iter.dnstype = iter.data.readUint16(off); off += 2; iter.class = iter.data.readUint16(off); off += 2; iter.ttl = iter.data.readUint32(off); off += 4; // Read the rdata uint256 rdataLength = iter.data.readUint16(off); off += 2; iter.rdataOffset = off; iter.nextOffset = off + rdataLength; } /** * @dev Returns the name of the current record. * @param iter The iterator. * @return A new bytes object containing the owner name from the RR. */ function name(RRIterator memory iter) internal pure returns (bytes memory) { return iter.data.substring( iter.offset, nameLength(iter.data, iter.offset) ); } /** * @dev Returns the rdata portion of the current record. * @param iter The iterator. * @return A new bytes object containing the RR's RDATA. */ function rdata(RRIterator memory iter) internal pure returns (bytes memory) { return iter.data.substring( iter.rdataOffset, iter.nextOffset - iter.rdataOffset ); } uint256 constant DNSKEY_FLAGS = 0; uint256 constant DNSKEY_PROTOCOL = 2; uint256 constant DNSKEY_ALGORITHM = 3; uint256 constant DNSKEY_PUBKEY = 4; struct DNSKEY { uint16 flags; uint8 protocol; uint8 algorithm; bytes publicKey; } function readDNSKEY( bytes memory data, uint256 offset, uint256 length ) internal pure returns (DNSKEY memory self) { self.flags = data.readUint16(offset + DNSKEY_FLAGS); self.protocol = data.readUint8(offset + DNSKEY_PROTOCOL); self.algorithm = data.readUint8(offset + DNSKEY_ALGORITHM); self.publicKey = data.substring( offset + DNSKEY_PUBKEY, length - DNSKEY_PUBKEY ); } uint256 constant DS_KEY_TAG = 0; uint256 constant DS_ALGORITHM = 2; uint256 constant DS_DIGEST_TYPE = 3; uint256 constant DS_DIGEST = 4; struct DS { uint16 keytag; uint8 algorithm; uint8 digestType; bytes digest; } function readDS( bytes memory data, uint256 offset, uint256 length ) internal pure returns (DS memory self) { self.keytag = data.readUint16(offset + DS_KEY_TAG); self.algorithm = data.readUint8(offset + DS_ALGORITHM); self.digestType = data.readUint8(offset + DS_DIGEST_TYPE); self.digest = data.substring(offset + DS_DIGEST, length - DS_DIGEST); } function compareNames(bytes memory self, bytes memory other) internal pure returns (int256) { if (self.equals(other)) { return 0; } uint256 off; uint256 otheroff; uint256 prevoff; uint256 otherprevoff; uint256 counts = labelCount(self, 0); uint256 othercounts = labelCount(other, 0); // Keep removing labels from the front of the name until both names are equal length while (counts > othercounts) { prevoff = off; off = progress(self, off); counts--; } while (othercounts > counts) { otherprevoff = otheroff; otheroff = progress(other, otheroff); othercounts--; } // Compare the last nonequal labels to each other while (counts > 0 && !self.equals(off, other, otheroff)) { prevoff = off; off = progress(self, off); otherprevoff = otheroff; otheroff = progress(other, otheroff); counts -= 1; } if (off == 0) { return -1; } if (otheroff == 0) { return 1; } return self.compare( prevoff + 1, self.readUint8(prevoff), other, otherprevoff + 1, other.readUint8(otherprevoff) ); } /** * @dev Compares two serial numbers using RFC1982 serial number math. */ function serialNumberGte(uint32 i1, uint32 i2) internal pure returns (bool) { return int32(i1) - int32(i2) >= 0; } function progress(bytes memory body, uint256 off) internal pure returns (uint256) { return off + 1 + body.readUint8(off); } /** * @dev Computes the keytag for a chunk of data. * @param data The data to compute a keytag for. * @return The computed key tag. */ function computeKeytag(bytes memory data) internal pure returns (uint16) { /* This function probably deserves some explanation. * The DNSSEC keytag function is a checksum that relies on summing up individual bytes * from the input string, with some mild bitshifting. Here's a Naive solidity implementation: * * function computeKeytag(bytes memory data) internal pure returns (uint16) { * uint ac; * for (uint i = 0; i < data.length; i++) { * ac += i & 1 == 0 ? uint16(data.readUint8(i)) << 8 : data.readUint8(i); * } * return uint16(ac + (ac >> 16)); * } * * The EVM, with its 256 bit words, is exceedingly inefficient at doing byte-by-byte operations; * the code above, on reasonable length inputs, consumes over 100k gas. But we can make the EVM's * large words work in our favour. * * The code below works by treating the input as a series of 256 bit words. It first masks out * even and odd bytes from each input word, adding them to two separate accumulators `ac1` and `ac2`. * The bytes are separated by empty bytes, so as long as no individual sum exceeds 2^16-1, we're * effectively summing 16 different numbers with each EVM ADD opcode. * * Once it's added up all the inputs, it has to add all the 16 bit values in `ac1` and `ac2` together. * It does this using the same trick - mask out every other value, shift to align them, add them together. * After the first addition on both accumulators, there's enough room to add the two accumulators together, * and the remaining sums can be done just on ac1. */ unchecked { require(data.length <= 8192, "Long keys not permitted"); uint256 ac1; uint256 ac2; for (uint256 i = 0; i < data.length + 31; i += 32) { uint256 word; assembly { word := mload(add(add(data, 32), i)) } if (i + 32 > data.length) { uint256 unused = 256 - (data.length - i) * 8; word = (word >> unused) << unused; } ac1 += (word & 0xFF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00) >> 8; ac2 += (word & 0x00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF00FF); } ac1 = (ac1 & 0x0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF) + ((ac1 & 0xFFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000) >> 16); ac2 = (ac2 & 0x0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF) + ((ac2 & 0xFFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000FFFF0000) >> 16); ac1 = (ac1 << 8) + ac2; ac1 = (ac1 & 0x00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF) + ((ac1 & 0xFFFFFFFF00000000FFFFFFFF00000000FFFFFFFF00000000FFFFFFFF00000000) >> 32); ac1 = (ac1 & 0x0000000000000000FFFFFFFFFFFFFFFF0000000000000000FFFFFFFFFFFFFFFF) + ((ac1 & 0xFFFFFFFFFFFFFFFF0000000000000000FFFFFFFFFFFFFFFF0000000000000000) >> 64); ac1 = (ac1 & 0x00000000000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) + (ac1 >> 128); ac1 += (ac1 >> 16) & 0xFFFF; return uint16(ac1); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; interface IMulticallable { function multicall(bytes[] calldata data) external returns (bytes[] memory results); function multicallWithNodeCheck(bytes32, bytes[] calldata data) external returns (bytes[] memory results); }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4; interface IVersionableResolver { event VersionChanged(bytes32 indexed node, uint64 newVersion); function recordVersions(bytes32 node) external view returns (uint64); }
// SPDX-License-Identifier: BSD-2-Clause pragma solidity ^0.8.4; /** * @dev A library for working with mutable byte buffers in Solidity. * * Byte buffers are mutable and expandable, and provide a variety of primitives * for appending to them. At any time you can fetch a bytes object containing the * current contents of the buffer. The bytes object should not be stored between * operations, as it may change due to resizing of the buffer. */ library Buffer { /** * @dev Represents a mutable buffer. Buffers have a current value (buf) and * a capacity. The capacity may be longer than the current value, in * which case it can be extended without the need to allocate more memory. */ struct buffer { bytes buf; uint capacity; } /** * @dev Initializes a buffer with an initial capacity. * @param buf The buffer to initialize. * @param capacity The number of bytes of space to allocate the buffer. * @return The buffer, for chaining. */ function init(buffer memory buf, uint capacity) internal pure returns(buffer memory) { if (capacity % 32 != 0) { capacity += 32 - (capacity % 32); } // Allocate space for the buffer data buf.capacity = capacity; assembly { let ptr := mload(0x40) mstore(buf, ptr) mstore(ptr, 0) let fpm := add(32, add(ptr, capacity)) if lt(fpm, ptr) { revert(0, 0) } mstore(0x40, fpm) } return buf; } /** * @dev Initializes a new buffer from an existing bytes object. * Changes to the buffer may mutate the original value. * @param b The bytes object to initialize the buffer with. * @return A new buffer. */ function fromBytes(bytes memory b) internal pure returns(buffer memory) { buffer memory buf; buf.buf = b; buf.capacity = b.length; return buf; } function resize(buffer memory buf, uint capacity) private pure { bytes memory oldbuf = buf.buf; init(buf, capacity); append(buf, oldbuf); } /** * @dev Sets buffer length to 0. * @param buf The buffer to truncate. * @return The original buffer, for chaining.. */ function truncate(buffer memory buf) internal pure returns (buffer memory) { assembly { let bufptr := mload(buf) mstore(bufptr, 0) } return buf; } /** * @dev Appends len bytes of a byte string to a buffer. Resizes if doing so would exceed * the capacity of the buffer. * @param buf The buffer to append to. * @param data The data to append. * @param len The number of bytes to copy. * @return The original buffer, for chaining. */ function append(buffer memory buf, bytes memory data, uint len) internal pure returns(buffer memory) { require(len <= data.length); uint off = buf.buf.length; uint newCapacity = off + len; if (newCapacity > buf.capacity) { resize(buf, newCapacity * 2); } uint dest; uint src; assembly { // Memory address of the buffer data let bufptr := mload(buf) // Length of existing buffer data let buflen := mload(bufptr) // Start address = buffer address + offset + sizeof(buffer length) dest := add(add(bufptr, 32), off) // Update buffer length if we're extending it if gt(newCapacity, buflen) { mstore(bufptr, newCapacity) } src := add(data, 32) } // Copy word-length chunks while possible for (; len >= 32; len -= 32) { assembly { mstore(dest, mload(src)) } dest += 32; src += 32; } // Copy remaining bytes unchecked { uint mask = (256 ** (32 - len)) - 1; assembly { let srcpart := and(mload(src), not(mask)) let destpart := and(mload(dest), mask) mstore(dest, or(destpart, srcpart)) } } return buf; } /** * @dev Appends a byte string to a buffer. Resizes if doing so would exceed * the capacity of the buffer. * @param buf The buffer to append to. * @param data The data to append. * @return The original buffer, for chaining. */ function append(buffer memory buf, bytes memory data) internal pure returns (buffer memory) { return append(buf, data, data.length); } /** * @dev Appends a byte to the buffer. Resizes if doing so would exceed the * capacity of the buffer. * @param buf The buffer to append to. * @param data The data to append. * @return The original buffer, for chaining. */ function appendUint8(buffer memory buf, uint8 data) internal pure returns(buffer memory) { uint off = buf.buf.length; uint offPlusOne = off + 1; if (off >= buf.capacity) { resize(buf, offPlusOne * 2); } assembly { // Memory address of the buffer data let bufptr := mload(buf) // Address = buffer address + sizeof(buffer length) + off let dest := add(add(bufptr, off), 32) mstore8(dest, data) // Update buffer length if we extended it if gt(offPlusOne, mload(bufptr)) { mstore(bufptr, offPlusOne) } } return buf; } /** * @dev Appends len bytes of bytes32 to a buffer. Resizes if doing so would * exceed the capacity of the buffer. * @param buf The buffer to append to. * @param data The data to append. * @param len The number of bytes to write (left-aligned). * @return The original buffer, for chaining. */ function append(buffer memory buf, bytes32 data, uint len) private pure returns(buffer memory) { uint off = buf.buf.length; uint newCapacity = len + off; if (newCapacity > buf.capacity) { resize(buf, newCapacity * 2); } unchecked { uint mask = (256 ** len) - 1; // Right-align data data = data >> (8 * (32 - len)); assembly { // Memory address of the buffer data let bufptr := mload(buf) // Address = buffer address + sizeof(buffer length) + newCapacity let dest := add(bufptr, newCapacity) mstore(dest, or(and(mload(dest), not(mask)), data)) // Update buffer length if we extended it if gt(newCapacity, mload(bufptr)) { mstore(bufptr, newCapacity) } } } return buf; } /** * @dev Appends a bytes20 to the buffer. Resizes if doing so would exceed * the capacity of the buffer. * @param buf The buffer to append to. * @param data The data to append. * @return The original buffer, for chhaining. */ function appendBytes20(buffer memory buf, bytes20 data) internal pure returns (buffer memory) { return append(buf, bytes32(data), 20); } /** * @dev Appends a bytes32 to the buffer. Resizes if doing so would exceed * the capacity of the buffer. * @param buf The buffer to append to. * @param data The data to append. * @return The original buffer, for chaining. */ function appendBytes32(buffer memory buf, bytes32 data) internal pure returns (buffer memory) { return append(buf, data, 32); } /** * @dev Appends a byte to the end of the buffer. Resizes if doing so would * exceed the capacity of the buffer. * @param buf The buffer to append to. * @param data The data to append. * @param len The number of bytes to write (right-aligned). * @return The original buffer. */ function appendInt(buffer memory buf, uint data, uint len) internal pure returns(buffer memory) { uint off = buf.buf.length; uint newCapacity = len + off; if (newCapacity > buf.capacity) { resize(buf, newCapacity * 2); } uint mask = (256 ** len) - 1; assembly { // Memory address of the buffer data let bufptr := mload(buf) // Address = buffer address + sizeof(buffer length) + newCapacity let dest := add(bufptr, newCapacity) mstore(dest, or(and(mload(dest), not(mask)), data)) // Update buffer length if we extended it if gt(newCapacity, mload(bufptr)) { mstore(bufptr, newCapacity) } } return buf; } }
pragma solidity ^0.8.4; 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 a positive number if `other` comes lexicographically after * `self`, a negative number if it comes before, or zero if the * contents of the two bytes are equal. * @param self The first bytes to compare. * @param other The second bytes to compare. * @return The result of the comparison. */ function compare(bytes memory self, bytes memory other) internal pure returns (int256) { return compare(self, 0, self.length, other, 0, other.length); } /* * @dev Returns a positive number if `other` comes lexicographically after * `self`, a negative number if it comes before, or zero if the * contents of the two bytes are equal. Comparison is done per-rune, * on unicode codepoints. * @param self The first bytes to compare. * @param offset The offset of self. * @param len The length of self. * @param other The second bytes to compare. * @param otheroffset The offset of the other string. * @param otherlen The length of the other string. * @return The result of the comparison. */ function compare( bytes memory self, uint256 offset, uint256 len, bytes memory other, uint256 otheroffset, uint256 otherlen ) internal pure returns (int256) { uint256 shortest = len; if (otherlen < len) shortest = otherlen; uint256 selfptr; uint256 otherptr; assembly { selfptr := add(self, add(offset, 32)) otherptr := add(other, add(otheroffset, 32)) } for (uint256 idx = 0; idx < shortest; idx += 32) { uint256 a; uint256 b; assembly { a := mload(selfptr) b := mload(otherptr) } if (a != b) { // Mask out irrelevant bytes and check again uint256 mask; if (shortest > 32) { mask = type(uint256).max; } else { mask = ~(2**(8 * (32 - shortest + idx)) - 1); } int256 diff = int256(a & mask) - int256(b & mask); if (diff != 0) return diff; } selfptr += 32; otherptr += 32; } return int256(len) - int256(otherlen); } /* * @dev Returns true if the two byte ranges are equal. * @param self The first byte range to compare. * @param offset The offset into the first byte range. * @param other The second byte range to compare. * @param otherOffset The offset into the second byte range. * @param len The number of bytes to compare * @return True if the byte ranges are equal, false otherwise. */ function equals( bytes memory self, uint256 offset, bytes memory other, uint256 otherOffset, uint256 len ) internal pure returns (bool) { return keccak(self, offset, len) == keccak(other, otherOffset, len); } /* * @dev Returns true if the two byte ranges are equal with offsets. * @param self The first byte range to compare. * @param offset The offset into the first byte range. * @param other The second byte range to compare. * @param otherOffset The offset into the second byte range. * @return True if the byte ranges are equal, false otherwise. */ function equals( bytes memory self, uint256 offset, bytes memory other, uint256 otherOffset ) internal pure returns (bool) { return keccak(self, offset, self.length - offset) == keccak(other, otherOffset, other.length - otherOffset); } /* * @dev Compares a range of 'self' to all of 'other' and returns True iff * they are equal. * @param self The first byte range to compare. * @param offset The offset into the first byte range. * @param other The second byte range to compare. * @return True if the byte ranges are equal, false otherwise. */ function equals( bytes memory self, uint256 offset, bytes memory other ) internal pure returns (bool) { return self.length >= offset + other.length && equals(self, offset, other, 0, other.length); } /* * @dev Returns true if the two byte ranges are equal. * @param self The first byte range to compare. * @param other The second byte range to compare. * @return True if the byte ranges are equal, false otherwise. */ function equals(bytes memory self, bytes memory other) internal pure returns (bool) { return self.length == other.length && equals(self, 0, other, 0, self.length); } /* * @dev Returns the 8-bit number at the specified index of self. * @param self The byte string. * @param idx The index into the bytes * @return The specified 8 bits of the string, interpreted as an integer. */ function readUint8(bytes memory self, uint256 idx) internal pure returns (uint8 ret) { return uint8(self[idx]); } /* * @dev Returns the 16-bit number at the specified index of self. * @param self The byte string. * @param idx The index into the bytes * @return The specified 16 bits of the string, interpreted as an integer. */ function readUint16(bytes memory self, uint256 idx) internal pure returns (uint16 ret) { require(idx + 2 <= self.length); assembly { ret := and(mload(add(add(self, 2), idx)), 0xFFFF) } } /* * @dev Returns the 32-bit number at the specified index of self. * @param self The byte string. * @param idx The index into the bytes * @return The specified 32 bits of the string, interpreted as an integer. */ function readUint32(bytes memory self, uint256 idx) internal pure returns (uint32 ret) { require(idx + 4 <= self.length); assembly { ret := and(mload(add(add(self, 4), idx)), 0xFFFFFFFF) } } /* * @dev Returns the 32 byte value at the specified index of self. * @param self The byte string. * @param idx The index into the bytes * @return The specified 32 bytes of the string. */ function readBytes32(bytes memory self, uint256 idx) internal pure returns (bytes32 ret) { require(idx + 32 <= self.length); assembly { ret := mload(add(add(self, 32), idx)) } } /* * @dev Returns the 32 byte value at the specified index of self. * @param self The byte string. * @param idx The index into the bytes * @return The specified 32 bytes of the string. */ function readBytes20(bytes memory self, uint256 idx) internal pure returns (bytes20 ret) { require(idx + 20 <= self.length); assembly { ret := and( mload(add(add(self, 32), idx)), 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000000 ) } } /* * @dev Returns the n byte value at the specified index of self. * @param self The byte string. * @param idx The index into the bytes. * @param len The number of bytes. * @return The specified 32 bytes of the string. */ function readBytesN( bytes memory self, uint256 idx, uint256 len ) internal pure returns (bytes32 ret) { require(len <= 32); require(idx + len <= self.length); assembly { let mask := not(sub(exp(256, sub(32, len)), 1)) ret := and(mload(add(add(self, 32), idx)), mask) } } function memcpy( uint256 dest, uint256 src, uint256 len ) private pure { // Copy word-length chunks while possible for (; len >= 32; len -= 32) { assembly { mstore(dest, mload(src)) } dest += 32; src += 32; } // Copy remaining bytes unchecked { uint256 mask = (256**(32 - len)) - 1; assembly { let srcpart := and(mload(src), not(mask)) let destpart := and(mload(dest), mask) mstore(dest, or(destpart, srcpart)) } } } /* * @dev Copies a substring into a new byte string. * @param self The byte string to copy from. * @param offset The offset to start copying at. * @param len The number of bytes to copy. */ function substring( bytes memory self, uint256 offset, uint256 len ) internal pure returns (bytes memory) { require(offset + len <= self.length); bytes memory ret = new bytes(len); uint256 dest; uint256 src; assembly { dest := add(ret, 32) src := add(add(self, 32), offset) } memcpy(dest, src, len); return ret; } // Maps characters from 0x30 to 0x7A to their base32 values. // 0xFF represents invalid characters in that range. bytes constant base32HexTable = hex"00010203040506070809FFFFFFFFFFFFFF0A0B0C0D0E0F101112131415161718191A1B1C1D1E1FFFFFFFFFFFFFFFFFFFFF0A0B0C0D0E0F101112131415161718191A1B1C1D1E1F"; /** * @dev Decodes unpadded base32 data of up to one word in length. * @param self The data to decode. * @param off Offset into the string to start at. * @param len Number of characters to decode. * @return The decoded data, left aligned. */ function base32HexDecodeWord( bytes memory self, uint256 off, uint256 len ) internal pure returns (bytes32) { require(len <= 52); uint256 ret = 0; uint8 decoded; for (uint256 i = 0; i < len; i++) { bytes1 char = self[off + i]; require(char >= 0x30 && char <= 0x7A); decoded = uint8(base32HexTable[uint256(uint8(char)) - 0x30]); require(decoded <= 0x20); if (i == len - 1) { break; } ret = (ret << 5) | decoded; } uint256 bitlen = len * 5; if (len % 8 == 0) { // Multiple of 8 characters, no padding ret = (ret << 5) | decoded; } else if (len % 8 == 2) { // Two extra characters - 1 byte ret = (ret << 3) | (decoded >> 2); bitlen -= 2; } else if (len % 8 == 4) { // Four extra characters - 2 bytes ret = (ret << 1) | (decoded >> 4); bitlen -= 4; } else if (len % 8 == 5) { // Five extra characters - 3 bytes ret = (ret << 4) | (decoded >> 1); bitlen -= 1; } else if (len % 8 == 7) { // Seven extra characters - 4 bytes ret = (ret << 2) | (decoded >> 3); bitlen -= 3; } else { revert(); } return bytes32(ret << (256 - bitlen)); } /** * @dev Finds the first occurrence of the byte `needle` in `self`. * @param self The string to search * @param off The offset to start searching at * @param len The number of bytes to search * @param needle The byte to search for * @return The offset of `needle` in `self`, or 2**256-1 if it was not found. */ function find( bytes memory self, uint256 off, uint256 len, bytes1 needle ) internal pure returns (uint256) { for (uint256 idx = off; idx < off + len; idx++) { if (self[idx] == needle) { return idx; } } return type(uint256).max; } }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_ens","type":"address"},{"internalType":"bytes32","name":"_baseNode","type":"bytes32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"controller","type":"address"}],"name":"ControllerAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"controller","type":"address"}],"name":"ControllerRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"NameMigrated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"NameRegistered","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"NameRenewed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"GRACE_PERIOD","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"}],"name":"addController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"available","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseNode","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"controllers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ens","outputs":[{"internalType":"contract ENS","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"nameExpires","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"node","type":"bytes32"},{"internalType":"bytes32","name":"label","type":"bytes32"}],"name":"namehash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"address","name":"owner","type":"address"}],"name":"reclaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_ens","type":"address"},{"internalType":"bytes32","name":"_baseNode","type":"bytes32"}],"name":"reconfigure","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"duration","type":"uint256"},{"internalType":"bool","name":"avoidable","type":"bool"}],"name":"register","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"}],"name":"removeController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"duration","type":"uint256"}],"name":"renew","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"uri","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"resolver","type":"address"}],"name":"setResolver","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceID","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
60806040523480156200001157600080fd5b50604051620022e6380380620022e6833981016040819052620000349162000143565b6040518060400160405280601981526020017f41525420457468657265756d204e616d652053657276696365000000000000008152506040518060400160405280600381526020016210549560ea1b815250816000908162000097919062000224565b506001620000a6828262000224565b505050620000c3620000bd620000ed60201b60201c565b620000f1565b600880546001600160a01b0319166001600160a01b039390931692909217909155600955620002f0565b3390565b600680546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b600080604083850312156200015757600080fd5b82516001600160a01b03811681146200016f57600080fd5b6020939093015192949293505050565b634e487b7160e01b600052604160045260246000fd5b600181811c90821680620001aa57607f821691505b602082108103620001cb57634e487b7160e01b600052602260045260246000fd5b50919050565b601f8211156200021f57600081815260208120601f850160051c81016020861015620001fa5750805b601f850160051c820191505b818110156200021b5782815560010162000206565b5050505b505050565b81516001600160401b038111156200024057620002406200017f565b620002588162000251845462000195565b84620001d1565b602080601f831160018114620002905760008415620002775750858301515b600019600386901b1c1916600185901b1785556200021b565b600085815260208120601f198616915b82811015620002c157888601518255948401946001909101908401620002a0565b5085821015620002e05787850151600019600388901b60f8161c191681555b5050505050600190811b01905550565b611fe680620003006000396000f3fe608060405234801561001057600080fd5b50600436106101e55760003560e01c80638da5cb5b1161010f578063c475abff116100a2578063ddf7fcb011610071578063ddf7fcb01461044d578063e985e9c514610456578063f2fde38b14610492578063f6a74ed7146104a557600080fd5b8063c475abff146103e4578063c87b56dd146103f7578063d6e4fa861461040a578063da8c229e1461042a57600080fd5b8063a7fc7a07116100de578063a7fc7a07146103a1578063b70087f1146103b4578063b88d4fde146103c7578063c1a287e2146103da57600080fd5b80638da5cb5b1461036257806395d89b411461037357806396e494e81461037b578063a22cb4651461038e57600080fd5b80633f15457f116101875780636352211e116101565780636352211e1461032157806370a0823114610334578063715018a6146103475780638292b21b1461034f57600080fd5b80633f15457f146102d557806342842e0e146102e85780634e543b26146102fb57806355f804b31461030e57600080fd5b8063095ea7b3116101c3578063095ea7b3146102525780631d9273c71461026757806323b872dd146102af57806328ed4f6c146102c257600080fd5b806301ffc9a7146101ea57806306fdde0314610212578063081812fc14610227575b600080fd5b6101fd6101f8366004611862565b6104b8565b60405190151581526020015b60405180910390f35b61021a61050a565b60405161020991906118d6565b61023a6102353660046118e9565b61059c565b6040516001600160a01b039091168152602001610209565b610265610260366004611917565b6105c3565b005b6102a1610275366004611943565b604080516020808201949094528082019290925280518083038201815260609092019052805191012090565b604051908152602001610209565b6102656102bd366004611965565b6106dd565b6102656102d03660046119a6565b61070e565b60085461023a906001600160a01b031681565b6102656102f6366004611965565b610827565b6102656103093660046119d6565b610842565b61026561031c366004611a7f565b6108b7565b61023a61032f3660046118e9565b6108cf565b6102a16103423660046119d6565b6108f2565b610265610978565b6102a161035d366004611add565b61098c565b6006546001600160a01b031661023a565b61021a6109a5565b6101fd6103893660046118e9565b6109b4565b61026561039c366004611b25565b6109da565b6102656103af3660046119d6565b6109e5565b6102656103c2366004611917565b610a39565b6102656103d5366004611b5a565b610a67565b6102a16276a70081565b6102a16103f2366004611943565b610a9f565b61021a6104053660046118e9565b610c30565b6102a16104183660046118e9565b60009081526007602052604090205490565b6101fd6104383660046119d6565b600a6020526000908152604090205460ff1681565b6102a160095481565b6101fd610464366004611bda565b6001600160a01b03918216600090815260056020908152604080832093909416825291909152205460ff1690565b6102656104a03660046119d6565b610c97565b6102656104b33660046119d6565b610d10565b60006001600160e01b031982166301ffc9a760e01b14806104e957506001600160e01b031982166380ac58cd60e01b145b8061050457506001600160e01b03198216630a3b53db60e21b145b92915050565b60606000805461051990611c08565b80601f016020809104026020016040519081016040528092919081815260200182805461054590611c08565b80156105925780601f1061056757610100808354040283529160200191610592565b820191906000526020600020905b81548152906001019060200180831161057557829003601f168201915b5050505050905090565b60006105a782610d61565b506000908152600460205260409020546001600160a01b031690565b60006105ce82610dc0565b9050806001600160a01b0316836001600160a01b0316036106405760405162461bcd60e51b815260206004820152602160248201527f4552433732313a20617070726f76616c20746f2063757272656e74206f776e656044820152603960f91b60648201526084015b60405180910390fd5b336001600160a01b038216148061065c575061065c8133610464565b6106ce5760405162461bcd60e51b815260206004820152603e60248201527f4552433732313a20617070726f76652063616c6c6572206973206e6f7420746f60448201527f6b656e206f776e6572206e6f7220617070726f76656420666f7220616c6c00006064820152608401610637565b6106d88383610e20565b505050565b6106e73382610e8e565b6107035760405162461bcd60e51b815260040161063790611c42565b6106d8838383610f09565b6008546009546040516302571be360e01b8152600481019190915230916001600160a01b0316906302571be390602401602060405180830381865afa15801561075b573d6000803e3d6000fd5b505050506040513d601f19601f8201168201806040525081019061077f9190611c90565b6001600160a01b03161461079257600080fd5b61079c3383610e8e565b6107a557600080fd5b6008546009546040516306ab592360e01b81526004810191909152602481018490526001600160a01b038381166044830152909116906306ab5923906064016020604051808303816000875af1158015610803573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906106d89190611cad565b6106d883838360405180602001604052806000815250610a67565b61084a6110a5565b600854600954604051630c4b7b8560e11b815260048101919091526001600160a01b03838116602483015290911690631896f70a90604401600060405180830381600087803b15801561089c57600080fd5b505af11580156108b0573d6000803e3d6000fd5b5050505050565b6108bf6110a5565b600b6108cb8282611d14565b5050565b60008181526007602052604081205442106108e957600080fd5b61050482610dc0565b60006001600160a01b03821661095c5760405162461bcd60e51b815260206004820152602960248201527f4552433732313a2061646472657373207a65726f206973206e6f7420612076616044820152683634b21037bbb732b960b91b6064820152608401610637565b506001600160a01b031660009081526003602052604090205490565b6109806110a5565b61098a60006110ff565b565b600061099a85858585611151565b90505b949350505050565b60606001805461051990611c08565b60008181526007602052604081205442906109d3906276a70090611dea565b1092915050565b6108cb33838361136f565b6109ed6110a5565b6001600160a01b0381166000818152600a6020526040808220805460ff19166001179055517f0a8bb31534c0ed46f380cb867bd5c803a189ced9a764e30b3a4991a9901d74749190a250565b610a416110a5565b600880546001600160a01b0319166001600160a01b039390931692909217909155600955565b610a713383610e8e565b610a8d5760405162461bcd60e51b815260040161063790611c42565b610a998484848461143d565b50505050565b6008546009546040516302571be360e01b8152600481019190915260009130916001600160a01b03909116906302571be390602401602060405180830381865afa158015610af1573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610b159190611c90565b6001600160a01b031614610b2857600080fd5b336000908152600a602052604090205460ff16610b4457600080fd5b6000838152600760205260409020544290610b63906276a70090611dea565b1015610b6e57600080fd5b610b7b6276a70083611dea565b6000848152600760205260409020546276a70090610b9a908590611dea565b610ba49190611dea565b11610bae57600080fd5b60008381526007602052604081208054849290610bcc908490611dea565b90915550506000838152600760205260409081902054905184917f9b87a00e30f1ac65d898f070f8a3488fe60517182d0a2098e1b4b93a54aa9bd691610c1491815260200190565b60405180910390a2505060009081526007602052604090205490565b6060610c3b82610d61565b6000600b8054610c4a90611c08565b905011610c665760405180602001604052806000815250610504565b600b610c7183611470565b604051602001610c82929190611dfd565b60405160208183030381529060405292915050565b610c9f6110a5565b6001600160a01b038116610d045760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201526564647265737360d01b6064820152608401610637565b610d0d816110ff565b50565b610d186110a5565b6001600160a01b0381166000818152600a6020526040808220805460ff19169055517f33d83959be2573f5453b12eb9d43b3499bc57d96bd2f067ba44803c859e811139190a250565b6000818152600260205260409020546001600160a01b0316610d0d5760405162461bcd60e51b8152602060048201526018602482015277115490cdcc8c4e881a5b9d985b1a59081d1bdad95b88125160421b6044820152606401610637565b6000818152600260205260408120546001600160a01b0316806105045760405162461bcd60e51b8152602060048201526018602482015277115490cdcc8c4e881a5b9d985b1a59081d1bdad95b88125160421b6044820152606401610637565b600081815260046020526040902080546001600160a01b0319166001600160a01b0384169081179091558190610e5582610dc0565b6001600160a01b03167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92560405160405180910390a45050565b600080610e9a836108cf565b9050806001600160a01b0316846001600160a01b03161480610ed55750836001600160a01b0316610eca8461059c565b6001600160a01b0316145b8061099d57506001600160a01b0380821660009081526005602090815260408083209388168352929052205460ff1661099d565b826001600160a01b0316610f1c82610dc0565b6001600160a01b031614610f805760405162461bcd60e51b815260206004820152602560248201527f4552433732313a207472616e736665722066726f6d20696e636f72726563742060448201526437bbb732b960d91b6064820152608401610637565b6001600160a01b038216610fe25760405162461bcd60e51b8152602060048201526024808201527f4552433732313a207472616e7366657220746f20746865207a65726f206164646044820152637265737360e01b6064820152608401610637565b610fed600082610e20565b6001600160a01b0383166000908152600360205260408120805460019290611016908490611e84565b90915550506001600160a01b0382166000908152600360205260408120805460019290611044908490611dea565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b0386811691821790925591518493918716917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef91a4505050565b6006546001600160a01b0316331461098a5760405162461bcd60e51b815260206004820181905260248201527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e65726044820152606401610637565b600680546001600160a01b038381166001600160a01b0319831681179093556040519116919082907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e090600090a35050565b6008546009546040516302571be360e01b8152600481019190915260009130916001600160a01b03909116906302571be390602401602060405180830381865afa1580156111a3573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906111c79190611c90565b6001600160a01b0316146111da57600080fd5b336000908152600a602052604090205460ff166111f657600080fd5b6111ff856109b4565b61120857600080fd5b6112156276a70042611dea565b6276a7006112238542611dea565b61122d9190611dea565b1161123757600080fd5b6000858152600260205260409020546001600160a01b03161561125d5761125d85611571565b811561127757600085815260076020526040812055611291565b6112818342611dea565b6000868152600760205260409020555b61129b848661160c565b6008546009546040516306ab592360e01b81526004810191909152602481018790526001600160a01b038681166044830152909116906306ab5923906064016020604051808303816000875af11580156112f9573d6000803e3d6000fd5b505050506040513d601f19601f8201168201806040525081019061131d9190611cad565b506001600160a01b038416857fb3d987963d01b2f68493b4bdb130988f157ea43070d4ad840fee0466ed9370d96113548642611dea565b60405190815260200160405180910390a361099a8342611dea565b816001600160a01b0316836001600160a01b0316036113d05760405162461bcd60e51b815260206004820152601960248201527f4552433732313a20617070726f766520746f2063616c6c6572000000000000006044820152606401610637565b6001600160a01b03838116600081815260056020908152604080832094871680845294825291829020805460ff191686151590811790915591519182527f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31910160405180910390a3505050565b611448848484610f09565b6114548484848461174e565b610a995760405162461bcd60e51b815260040161063790611e97565b6060816000036114975750506040805180820190915260018152600360fc1b602082015290565b8160005b81156114c157806114ab81611ee9565b91506114ba9050600a83611f18565b915061149b565b60008167ffffffffffffffff8111156114dc576114dc6119f3565b6040519080825280601f01601f191660200182016040528015611506576020820181803683370190505b5090505b841561099d5761151b600183611e84565b9150611528600a86611f2c565b611533906030611dea565b60f81b81838151811061154857611548611f40565b60200101906001600160f81b031916908160001a90535061156a600a86611f18565b945061150a565b600061157c82610dc0565b9050611589600083610e20565b6001600160a01b03811660009081526003602052604081208054600192906115b2908490611e84565b909155505060008281526002602052604080822080546001600160a01b0319169055518391906001600160a01b038416907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908390a45050565b6001600160a01b0382166116625760405162461bcd60e51b815260206004820181905260248201527f4552433732313a206d696e7420746f20746865207a65726f20616464726573736044820152606401610637565b6000818152600260205260409020546001600160a01b0316156116c75760405162461bcd60e51b815260206004820152601c60248201527f4552433732313a20746f6b656e20616c7265616479206d696e746564000000006044820152606401610637565b6001600160a01b03821660009081526003602052604081208054600192906116f0908490611dea565b909155505060008181526002602052604080822080546001600160a01b0319166001600160a01b03861690811790915590518392907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef908290a45050565b60006001600160a01b0384163b1561184457604051630a85bd0160e11b81526001600160a01b0385169063150b7a0290611792903390899088908890600401611f56565b6020604051808303816000875af19250505080156117cd575060408051601f3d908101601f191682019092526117ca91810190611f93565b60015b61182a573d8080156117fb576040519150601f19603f3d011682016040523d82523d6000602084013e611800565b606091505b5080516000036118225760405162461bcd60e51b815260040161063790611e97565b805181602001fd5b6001600160e01b031916630a85bd0160e11b14905061099d565b50600161099d565b6001600160e01b031981168114610d0d57600080fd5b60006020828403121561187457600080fd5b813561187f8161184c565b9392505050565b60005b838110156118a1578181015183820152602001611889565b50506000910152565b600081518084526118c2816020860160208601611886565b601f01601f19169290920160200192915050565b60208152600061187f60208301846118aa565b6000602082840312156118fb57600080fd5b5035919050565b6001600160a01b0381168114610d0d57600080fd5b6000806040838503121561192a57600080fd5b823561193581611902565b946020939093013593505050565b6000806040838503121561195657600080fd5b50508035926020909101359150565b60008060006060848603121561197a57600080fd5b833561198581611902565b9250602084013561199581611902565b929592945050506040919091013590565b600080604083850312156119b957600080fd5b8235915060208301356119cb81611902565b809150509250929050565b6000602082840312156119e857600080fd5b813561187f81611902565b634e487b7160e01b600052604160045260246000fd5b600067ffffffffffffffff80841115611a2457611a246119f3565b604051601f8501601f19908116603f01168101908282118183101715611a4c57611a4c6119f3565b81604052809350858152868686011115611a6557600080fd5b858560208301376000602087830101525050509392505050565b600060208284031215611a9157600080fd5b813567ffffffffffffffff811115611aa857600080fd5b8201601f81018413611ab957600080fd5b61099d84823560208401611a09565b80358015158114611ad857600080fd5b919050565b60008060008060808587031215611af357600080fd5b843593506020850135611b0581611902565b925060408501359150611b1a60608601611ac8565b905092959194509250565b60008060408385031215611b3857600080fd5b8235611b4381611902565b9150611b5160208401611ac8565b90509250929050565b60008060008060808587031215611b7057600080fd5b8435611b7b81611902565b93506020850135611b8b81611902565b925060408501359150606085013567ffffffffffffffff811115611bae57600080fd5b8501601f81018713611bbf57600080fd5b611bce87823560208401611a09565b91505092959194509250565b60008060408385031215611bed57600080fd5b8235611bf881611902565b915060208301356119cb81611902565b600181811c90821680611c1c57607f821691505b602082108103611c3c57634e487b7160e01b600052602260045260246000fd5b50919050565b6020808252602e908201527f4552433732313a2063616c6c6572206973206e6f7420746f6b656e206f776e6560408201526d1c881b9bdc88185c1c1c9bdd995960921b606082015260800190565b600060208284031215611ca257600080fd5b815161187f81611902565b600060208284031215611cbf57600080fd5b5051919050565b601f8211156106d857600081815260208120601f850160051c81016020861015611ced5750805b601f850160051c820191505b81811015611d0c57828155600101611cf9565b505050505050565b815167ffffffffffffffff811115611d2e57611d2e6119f3565b611d4281611d3c8454611c08565b84611cc6565b602080601f831160018114611d775760008415611d5f5750858301515b600019600386901b1c1916600185901b178555611d0c565b600085815260208120601f198616915b82811015611da657888601518255948401946001909101908401611d87565b5085821015611dc45787850151600019600388901b60f8161c191681555b5050505050600190811b01905550565b634e487b7160e01b600052601160045260246000fd5b8082018082111561050457610504611dd4565b6000808454611e0b81611c08565b60018281168015611e235760018114611e3857611e67565b60ff1984168752821515830287019450611e67565b8860005260208060002060005b85811015611e5e5781548a820152908401908201611e45565b50505082870194505b505050508351611e7b818360208801611886565b01949350505050565b8181038181111561050457610504611dd4565b60208082526032908201527f4552433732313a207472616e7366657220746f206e6f6e20455243373231526560408201527131b2b4bb32b91034b6b83632b6b2b73a32b960711b606082015260800190565b600060018201611efb57611efb611dd4565b5060010190565b634e487b7160e01b600052601260045260246000fd5b600082611f2757611f27611f02565b500490565b600082611f3b57611f3b611f02565b500690565b634e487b7160e01b600052603260045260246000fd5b6001600160a01b0385811682528416602082015260408101839052608060608201819052600090611f89908301846118aa565b9695505050505050565b600060208284031215611fa557600080fd5b815161187f8161184c56fea264697066735822122040e4af69e828b7ffcec6899046cbed5c58f71b1e94f74ecf178eb129a3c3e12164736f6c6343000811003300000000000000000000000000000000000c2e074ec69a0dfb2997ba6c7d2e1e57137a55874a85f753ba591944179c9d5f5b7be9c94d606506fa34450f09e655
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000000000000000c2e074ec69a0dfb2997ba6c7d2e1e57137a55874a85f753ba591944179c9d5f5b7be9c94d606506fa34450f09e655
-----Decoded View---------------
Arg [0] : _ens (address): 0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e
Arg [1] : _baseNode (bytes32): 0x57137a55874a85f753ba591944179c9d5f5b7be9c94d606506fa34450f09e655
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000c2e074ec69a0dfb2997ba6c7d2e1e
Arg [1] : 57137a55874a85f753ba591944179c9d5f5b7be9c94d606506fa34450f09e655
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.