Contract Source Code (Solidity Standard Json-Input format)

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//SPDX-License-Identifier: MIT
pragma solidity >=0.8.17 <0.9.0;

import "@ensdomains/ens-contracts/registry/ENS.sol";
import "@ensdomains/ens-contracts/resolvers/profiles/ABIResolver.sol";
import "@ensdomains/ens-contracts/resolvers/profiles/AddrResolver.sol";
import "@ensdomains/ens-contracts/resolvers/profiles/ContentHashResolver.sol";
import "@ensdomains/ens-contracts/resolvers/profiles/DNSResolver.sol";
import "@ensdomains/ens-contracts/resolvers/profiles/InterfaceResolver.sol";
import "@ensdomains/ens-contracts/resolvers/profiles/NameResolver.sol";
import "@ensdomains/ens-contracts/resolvers/profiles/PubkeyResolver.sol";
import "@ensdomains/ens-contracts/resolvers/profiles/TextResolver.sol";
import "@ensdomains/ens-contracts/resolvers/Multicallable.sol";
import {ReverseClaimer} from "@ensdomains/ens-contracts/reverseRegistrar/ReverseClaimer.sol";
import {INameWrapper} from "@ensdomains/ens-contracts/wrapper/INameWrapper.sol";
import {NameCoder} from "@ensdomains/ens-contracts/utils/NameCoder.sol";

bytes32 constant ADDR_REVERSE_NODE = 0x91d1777781884d03a6757a803996e38de2a42967fb37eeaca72729271025a9e2;
bytes32 constant lookup = 0x3031323334353637383961626364656600000000000000000000000000000000;

/// A simple resolver anyone can use; only allows the owner of a node to set its
/// address.
contract ConfigResolver is
    Multicallable,
    ABIResolver,
    AddrResolver,
    ContentHashResolver,
    DNSResolver,
    InterfaceResolver,
    NameResolver,
    PubkeyResolver,
    TextResolver,
    ReverseClaimer
{
    ENS immutable ens;
    INameWrapper immutable nameWrapper;

    /// 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;

    /// A mapping of delegates. A delegate that is authorised by an owner
    /// for a name may make changes to the name's resolver, but may not update
    /// the set of token approvals.
    /// (owner, name, delegate) => approved
    mapping(address => mapping(bytes32 => mapping(address => bool))) private _tokenApprovals;

    // Logged when an operator is added or removed.
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    // Logged when a delegate is approved or  an approval is revoked.
    event Approved(address owner, bytes32 indexed node, address indexed delegate, bool indexed approved);

    constructor(ENS _ens, INameWrapper wrapperAddress) ReverseClaimer(_ens, msg.sender) {
        ens = _ens;
        nameWrapper = wrapperAddress;
    }

    /// @dev Returns the node hash for a given account's reverse records.
    /// @param addr The address to hash
    /// @return The ENS node hash.
    function reverseNode(address addr) public pure returns (bytes32) {
        bytes32 sha3HexAddress;

        // An optimised function to compute the sha3 of the lower-case
        // hexadecimal representation of an Ethereum address.
        assembly {
            for {
                let i := 40
            } gt(i, 0) {} {
                i := sub(i, 1)
                mstore8(i, byte(and(addr, 0xf), lookup))
                addr := div(addr, 0x10)
                i := sub(i, 1)
                mstore8(i, byte(and(addr, 0xf), lookup))
                addr := div(addr, 0x10)
            }

            sha3HexAddress := keccak256(0, 40)
        }

        return keccak256(abi.encodePacked(ADDR_REVERSE_NODE, sha3HexAddress));
    }

    /// @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];
    }

    /// @dev Approve a delegate to be able to updated records on a node.
    function approve(bytes32 node, address delegate, bool approved) external {
        require(msg.sender != delegate, "Setting delegate status for self");

        _tokenApprovals[msg.sender][node][delegate] = approved;
        emit Approved(msg.sender, node, delegate, approved);
    }

    /// @dev Check to see if the delegate has been approved by the owner for the node.
    function isApprovedFor(address owner, bytes32 node, address delegate) public view returns (bool) {
        return _tokenApprovals[owner][node][delegate];
    }

    function isAuthorised(bytes32 node) internal view override returns (bool) {
        if (reverseNode(msg.sender) == node) {
            return true;
        }

        address owner = ens.owner(node);
        if (owner == address(nameWrapper)) {
            owner = nameWrapper.ownerOf(uint256(node));
        }
        return owner == msg.sender || isApprovedForAll(owner, msg.sender) || isApprovedFor(owner, node, 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
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);
}

// 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 > 0 && 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 {ResolverBase, IERC165} from "../ResolverBase.sol";
import {IAddrResolver} from "./IAddrResolver.sol";
import {IAddressResolver} from "./IAddressResolver.sol";
import {IHasAddressResolver} from "./IHasAddressResolver.sol";
import {ENSIP19, COIN_TYPE_ETH, COIN_TYPE_DEFAULT} from "../../utils/ENSIP19.sol";

abstract contract AddrResolver is
    IAddrResolver,
    IAddressResolver,
    IHasAddressResolver,
    ResolverBase
{
    mapping(uint64 => mapping(bytes32 => mapping(uint256 => bytes))) versionable_addresses;

    /// @notice The supplied address could not be converted to `address`.
    /// @dev Error selector: `0x8d666f60`
    error InvalidEVMAddress(bytes addressBytes);

    /// @notice Set `addr(60)` of the associated ENS node.
    ///         `address(0)` is stored as `new bytes(20)`.
    /// @param node The node to update.
    /// @param _addr The address to set.
    function setAddr(
        bytes32 node,
        address _addr
    ) external virtual authorised(node) {
        setAddr(node, COIN_TYPE_ETH, abi.encodePacked(_addr));
    }

    /// @notice Get `addr(60)` as `address` of the associated ENS node.
    /// @param node The node to query.
    /// @return The associated address.
    function addr(
        bytes32 node
    ) public view virtual override returns (address payable) {
        return payable(address(bytes20(addr(node, COIN_TYPE_ETH))));
    }

    /// @notice Set the address for coin type of the associated ENS node.
    ///         Reverts `InvalidEVMAddress` if coin type is EVM and not 0 or 20 bytes.
    /// @param node The node to update.
    /// @param coinType The coin type.
    /// @param addressBytes The address to set.
    function setAddr(
        bytes32 node,
        uint256 coinType,
        bytes memory addressBytes
    ) public virtual authorised(node) {
        if (
            addressBytes.length != 0 &&
            addressBytes.length != 20 &&
            ENSIP19.isEVMCoinType(coinType)
        ) {
            revert InvalidEVMAddress(addressBytes);
        }
        emit AddressChanged(node, coinType, addressBytes);
        if (coinType == COIN_TYPE_ETH) {
            emit AddrChanged(node, address(bytes20(addressBytes)));
        }
        versionable_addresses[recordVersions[node]][node][
            coinType
        ] = addressBytes;
    }

    /// @notice Get the address for coin type of the associated ENS node.
    ///         If coin type is EVM and empty, defaults to `addr(COIN_TYPE_DEFAULT)`.
    /// @param node The node to query.
    /// @param coinType The coin type.
    /// @return addressBytes The assocated address.
    function addr(
        bytes32 node,
        uint256 coinType
    ) public view virtual override returns (bytes memory addressBytes) {
        mapping(uint256 => bytes) storage addrs = versionable_addresses[
            recordVersions[node]
        ][node];
        addressBytes = addrs[coinType];
        if (
            addressBytes.length == 0 && ENSIP19.chainFromCoinType(coinType) > 0
        ) {
            addressBytes = addrs[COIN_TYPE_DEFAULT];
        }
    }

    /// @inheritdoc IHasAddressResolver
    function hasAddr(
        bytes32 node,
        uint256 coinType
    ) external view returns (bool) {
        return
            versionable_addresses[recordVersions[node]][node][coinType].length >
            0;
    }

    /// @inheritdoc IERC165
    function supportsInterface(
        bytes4 interfaceId
    ) public view virtual override returns (bool) {
        return
            type(IAddrResolver).interfaceId == interfaceId ||
            type(IAddressResolver).interfaceId == interfaceId ||
            type(IHasAddressResolver).interfaceId == interfaceId ||
            super.supportsInterface(interfaceId);
    }
}

// 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 "../../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 "@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 "./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 "../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 "./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 "./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 >=0.8.17 <0.9.0;

import {ENS} from "../registry/ENS.sol";
import {IReverseRegistrar} from "../reverseRegistrar/IReverseRegistrar.sol";

contract ReverseClaimer {
    bytes32 constant ADDR_REVERSE_NODE =
        0x91d1777781884d03a6757a803996e38de2a42967fb37eeaca72729271025a9e2;

    constructor(ENS ens, address claimant) {
        IReverseRegistrar reverseRegistrar = IReverseRegistrar(
            ens.owner(ADDR_REVERSE_NODE)
        );
        reverseRegistrar.claim(claimant);
    }
}

//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;

import "../registry/ENS.sol";
import "../ethregistrar/IBaseRegistrar.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "./IMetadataService.sol";
import "./INameWrapperUpgrade.sol";

uint32 constant CANNOT_UNWRAP = 1;
uint32 constant CANNOT_BURN_FUSES = 2;
uint32 constant CANNOT_TRANSFER = 4;
uint32 constant CANNOT_SET_RESOLVER = 8;
uint32 constant CANNOT_SET_TTL = 16;
uint32 constant CANNOT_CREATE_SUBDOMAIN = 32;
uint32 constant CANNOT_APPROVE = 64;
//uint16 reserved for parent controlled fuses from bit 17 to bit 32
uint32 constant PARENT_CANNOT_CONTROL = 1 << 16;
uint32 constant IS_DOT_ETH = 1 << 17;
uint32 constant CAN_EXTEND_EXPIRY = 1 << 18;
uint32 constant CAN_DO_EVERYTHING = 0;
uint32 constant PARENT_CONTROLLED_FUSES = 0xFFFF0000;
// all fuses apart from IS_DOT_ETH
uint32 constant USER_SETTABLE_FUSES = 0xFFFDFFFF;

interface INameWrapper is IERC1155 {
    event NameWrapped(
        bytes32 indexed node,
        bytes name,
        address owner,
        uint32 fuses,
        uint64 expiry
    );

    event NameUnwrapped(bytes32 indexed node, address owner);

    event FusesSet(bytes32 indexed node, uint32 fuses);
    event ExpiryExtended(bytes32 indexed node, uint64 expiry);

    function ens() external view returns (ENS);

    function registrar() external view returns (IBaseRegistrar);

    function metadataService() external view returns (IMetadataService);

    function names(bytes32) external view returns (bytes memory);

    function name() external view returns (string memory);

    function upgradeContract() external view returns (INameWrapperUpgrade);

    function supportsInterface(bytes4 interfaceID) external view returns (bool);

    function wrap(
        bytes calldata name,
        address wrappedOwner,
        address resolver
    ) external;

    function wrapETH2LD(
        string calldata label,
        address wrappedOwner,
        uint16 ownerControlledFuses,
        address resolver
    ) external returns (uint64 expires);

    function registerAndWrapETH2LD(
        string calldata label,
        address wrappedOwner,
        uint256 duration,
        address resolver,
        uint16 ownerControlledFuses
    ) external returns (uint256 registrarExpiry);

    function renew(
        uint256 labelHash,
        uint256 duration
    ) external returns (uint256 expires);

    function unwrap(bytes32 node, bytes32 label, address owner) external;

    function unwrapETH2LD(
        bytes32 label,
        address newRegistrant,
        address newController
    ) external;

    function upgrade(bytes calldata name, bytes calldata extraData) external;

    function setFuses(
        bytes32 node,
        uint16 ownerControlledFuses
    ) external returns (uint32 newFuses);

    function setChildFuses(
        bytes32 parentNode,
        bytes32 labelhash,
        uint32 fuses,
        uint64 expiry
    ) external;

    function setSubnodeRecord(
        bytes32 node,
        string calldata label,
        address owner,
        address resolver,
        uint64 ttl,
        uint32 fuses,
        uint64 expiry
    ) external returns (bytes32);

    function setRecord(
        bytes32 node,
        address owner,
        address resolver,
        uint64 ttl
    ) external;

    function setSubnodeOwner(
        bytes32 node,
        string calldata label,
        address newOwner,
        uint32 fuses,
        uint64 expiry
    ) external returns (bytes32);

    function extendExpiry(
        bytes32 node,
        bytes32 labelhash,
        uint64 expiry
    ) external returns (uint64);

    function canModifyName(
        bytes32 node,
        address addr
    ) external view returns (bool);

    function setResolver(bytes32 node, address resolver) external;

    function setTTL(bytes32 node, uint64 ttl) external;

    function ownerOf(uint256 id) external view returns (address owner);

    function approve(address to, uint256 tokenId) external;

    function getApproved(uint256 tokenId) external view returns (address);

    function getData(
        uint256 id
    ) external view returns (address, uint32, uint64);

    function setMetadataService(IMetadataService _metadataService) external;

    function uri(uint256 tokenId) external view returns (string memory);

    function setUpgradeContract(INameWrapperUpgrade _upgradeAddress) external;

    function allFusesBurned(
        bytes32 node,
        uint32 fuseMask
    ) external view returns (bool);

    function isWrapped(bytes32) external view returns (bool);

    function isWrapped(bytes32, bytes32) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import {LibMem} from "./LibMem/LibMem.sol";
import {BytesUtils} from "./BytesUtils.sol";

/// @dev Library for encoding/decoding names.
///
/// An ENS name is stop-separated labels, eg. "aaa.bb.c".
///
/// A DNS-encoded name is composed of byte length-prefixed labels with a terminator byte.
/// eg. "\x03aaa\x02bb\x01c\x00".
///
/// * maximum label length is 255 bytes.
/// * length = 0 is reserved for the terminator (root).
/// * `dns.length == 2 + ens.length` and the mapping is injective.
///
library NameCoder {
    /// @dev The namehash of "eth".
    bytes32 public constant ETH_NODE =
        0x93cdeb708b7545dc668eb9280176169d1c33cfd8ed6f04690a0bcc88a93fc4ae;

    /// @dev The label was empty.
    ///      Error selector: `0xbf9a2740`
    error LabelIsEmpty();

    /// @dev The label was more than 255 bytes.
    ///      Error selector: `0xdab6c73c`
    error LabelIsTooLong(string label);

    /// @dev The DNS-encoded name is malformed.
    ///      Error selector: `0xba4adc23`
    error DNSDecodingFailed(bytes dns);

    /// @dev A label of the ENS name has an invalid size.
    ///      Error selector: `0x9a4c3e3b`
    error DNSEncodingFailed(string ens);

    /// @dev The `name` did not end with `suffix`.
    ///
    /// @param name The DNS-encoded name.
    /// @param suffix The DNS-encoded suffix.
    error NoSuffixMatch(bytes name, bytes suffix);

    /// @dev Read the `size` of the label at `offset`.
    ///      If `size = 0`, it must be the end of `name` (no junk at end).
    ///      Reverts `DNSDecodingFailed`.
    ///
    /// @param name The DNS-encoded name.
    /// @param offset The offset into `name` to start reading.
    ///
    /// @return size The size of the label in bytes.
    /// @return nextOffset The offset into `name` of the next label.
    function nextLabel(
        bytes memory name,
        uint256 offset
    ) internal pure returns (uint8 size, uint256 nextOffset) {
        unchecked {
            if (offset >= name.length) {
                revert DNSDecodingFailed(name);
            }
            size = uint8(name[offset]);
            nextOffset = offset + 1 + size;
            if (
                size > 0 ? nextOffset >= name.length : nextOffset != name.length
            ) {
                revert DNSDecodingFailed(name);
            }
        }
    }

    /// @dev Find the offset of the label before `offset` in `name`.
    ///      * `prevOffset(name, 0)` reverts
    ///      * `prevOffset(name, name.length + 1)` reverts
    ///      * `prevOffset(name, name.length) = name.length - 1`
    ///      * `prevOffset(name, name.length - 1) = <tld>`
    ///      Reverts `DNSDecodingFailed`.
    ///
    /// @param name The DNS-encoded name.
    /// @param offset The offset into `name` to start reading backwards.
    ///
    /// @return prevOffset The offset into `name` of the previous label.
    function prevLabel(
        bytes memory name,
        uint256 offset
    ) internal pure returns (uint256 prevOffset) {
        while (true) {
            (, uint256 nextOffset) = nextLabel(name, prevOffset);
            if (nextOffset == offset) break;
            if (nextOffset > offset) {
                revert DNSDecodingFailed(name);
            }
            prevOffset = nextOffset;
        }
    }

    /// @dev Count number of labels in `name`.
    ///      * `countLabels("\x03eth\x00") = 1`
    ///      * `countLabels("\x00") = 0`
    ///      Reverts like `nextLabel()`.
    ///
    /// @param name The DNS-encoded parent name.
    /// @param offset The offset into `name` to start hashing.
    ///
    /// @return count The number of labels.
    function countLabels(
        bytes memory name,
        uint256 offset
    ) internal pure returns (uint256 count) {
        uint8 size;
        while (true) {
            (size, offset) = nextLabel(name, offset);
            if (size == 0) break;
            ++count;
        }
    }

    /// @dev Compute the ENS labelhash of the label at `offset` and the offset for the next label.
    ///      Reverts `DNSDecodingFailed`.
    ///
    /// @param name The DNS-encoded name.
    /// @param offset The offset into `name` to start reading.
    ///
    /// @return labelHash The resulting labelhash.
    /// @return nextOffset The offset into `name` of the next label.
    function readLabel(
        bytes memory name,
        uint256 offset
    ) internal pure returns (bytes32 labelHash, uint256 nextOffset) {
        uint8 size;
        (size, nextOffset) = nextLabel(name, offset);
        if (size > 0) {
            assembly {
                labelHash := keccak256(add(add(name, offset), 33), size)
            }
        }
    }

    /// @dev Read label at offset from a DNS-encoded name and the offset for the next label.
    ///      * `readLabel("\x03abc\x00", 0) = ("abc", 4)`
    ///      * `readLabel("\x00", 0) = ("", 1)`
    ///      Reverts `DNSDecodingFailed`.
    ///
    /// @param name The DNS-encoded name.
    /// @param offset The offset into `name` to start reading.
    ///
    /// @return label The label corresponding to `offset`.
    /// @return nextOffset The offset into `name` of the next label.
    function extractLabel(
        bytes memory name,
        uint256 offset
    ) internal pure returns (string memory label, uint256 nextOffset) {
        uint8 size;
        (size, nextOffset) = nextLabel(name, offset);
        bytes memory v = new bytes(size);
        unchecked {
            LibMem.copy(LibMem.ptr(v), LibMem.ptr(name) + offset + 1, size);
        }
        label = string(v);
    }

    /// @dev Reads first label from a DNS-encoded name.
    ///      Reverts `DNSDecodingFailed`.
    ///      Reverts `LabelIsEmpty` if the label was empty.
    ///
    /// @param name The DNS-encoded name.
    ///
    /// @return The first label.
    function firstLabel(
        bytes memory name
    ) internal pure returns (string memory) {
        (string memory label, ) = extractLabel(name, 0);
        if (bytes(label).length == 0) {
            revert LabelIsEmpty();
        }
        return label;
    }

    /// @dev Compute the namehash of `name[:offset]`.
    ///      Reverts `DNSDecodingFailed`.
    ///
    /// @param name The DNS-encoded name.
    /// @param offset The offset into `name` to start hashing.
    ///
    /// @return hash The namehash of `name[:offset]`.
    function namehash(
        bytes memory name,
        uint256 offset
    ) internal pure returns (bytes32 hash) {
        (hash, offset) = readLabel(name, offset);
        if (hash != bytes32(0)) {
            hash = namehash(namehash(name, offset), hash);
        }
    }

    /// @dev Compute a child namehash from a parent namehash and child labelhash.
    ///
    /// @param parentNode The namehash of the parent.
    /// @param labelHash The labelhash of the child.
    ///
    /// @return node The namehash of the child.
    function namehash(
        bytes32 parentNode,
        bytes32 labelHash
    ) internal pure returns (bytes32 node) {
        // ~100 gas less than: keccak256(abi.encode(parentNode, labelHash))
        assembly {
            mstore(0, parentNode)
            mstore(32, labelHash)
            node := keccak256(0, 64)
        }
    }

    /// @dev Convert DNS-encoded name to ENS name.
    ///      * `decode("\x00") = ""`
    ///      * `decode("\x03eth\x00") = "eth"`
    ///      * `decode("\x03aaa\x02bb\x01c\x00") = "aa.bb.c"`
    ///      * `decode("\x03a.b\x00")` reverts
    ///      Reverts like `nextLabel()`.
    ///
    /// @param dns The DNS-encoded name to convert.
    ///
    /// @return ens The equivalent ENS name.
    function decode(
        bytes memory dns
    ) internal pure returns (string memory ens) {
        unchecked {
            uint256 n = dns.length;
            if (n == 1 && dns[0] == 0) return ""; // only valid answer is root
            if (n < 3) revert DNSDecodingFailed(dns);
            bytes memory v = new bytes(n - 2); // always 2-shorter
            LibMem.copy(LibMem.ptr(v), LibMem.ptr(dns) + 1, n - 2); // shift by -1 byte
            uint256 offset;
            while (true) {
                (uint8 size, uint256 nextOffset) = nextLabel(dns, offset);
                if (size == 0) break;
                if (BytesUtils.includes(v, offset, size, ".")) {
                    revert DNSDecodingFailed(dns); // malicious label
                }
                if (offset > 0) {
                    v[offset - 1] = ".";
                }
                offset = nextOffset;
            }
            return string(v);
        }
    }

    /// @dev Convert ENS name to DNS-encoded name.
    ///      * `encode("aaa.bb.c") = "\x03aaa\x02bb\x01c\x00"`
    ///      * `encode("eth") = "\x03eth\x00"`
    ///      * `encode("") = "\x00"`
    ///      Reverts `DNSEncodingFailed`.
    ///
    /// @param ens The ENS name to convert.
    ///
    /// @return dns The corresponding DNS-encoded name, eg. `\x03aaa\x02bb\x01c\x00`.
    function encode(
        string memory ens
    ) internal pure returns (bytes memory dns) {
        unchecked {
            uint256 n = bytes(ens).length;
            if (n == 0) return hex"00"; // root
            dns = new bytes(n + 2); // always 2-longer
            LibMem.copy(LibMem.ptr(dns) + 1, LibMem.ptr(bytes(ens)), n); // shift by +1 byte
            uint256 start; // remember position to write length
            uint256 size;
            for (uint256 i; i < n; ++i) {
                if (bytes(ens)[i] == ".") {
                    size = i - start;
                    if (size == 0 || size > 255) {
                        revert DNSEncodingFailed(ens);
                    }
                    dns[start] = bytes1(uint8(size));
                    start = i + 1;
                }
            }
            size = n - start;
            if (size == 0 || size > 255) {
                revert DNSEncodingFailed(ens);
            }
            dns[start] = bytes1(uint8(size));
        }
    }

    /// @dev Find the offset into `name` that namehashes to `nodeSuffix`.
    ///
    /// @param name The DNS-encoded name to search.
    /// @param nodeSuffix The namehash to match.
    ///
    /// @return matched True if `name` ends with `nodeSuffix`.
    /// @return node The namehash of `name[offset:]`.
    /// @return prevOffset The offset into `name` of the label before `nodeSuffix`, or `matchOffset` if no match or no prior label.
    /// @return matchOffset The offset into `name` that namehashes to the `nodeSuffix`, or 0 if no match.
    function matchSuffix(
        bytes memory name,
        uint256 offset,
        bytes32 nodeSuffix
    )
        internal
        pure
        returns (
            bool matched,
            bytes32 node,
            uint256 prevOffset,
            uint256 matchOffset
        )
    {
        (bytes32 labelHash, uint256 next) = readLabel(name, offset);
        if (labelHash != bytes32(0)) {
            (matched, node, prevOffset, matchOffset) = matchSuffix(
                name,
                next,
                nodeSuffix
            );
            if (node == nodeSuffix) {
                matched = true;
                prevOffset = offset;
                matchOffset = next;
            }
            node = namehash(node, labelHash);
        }
        if (node == nodeSuffix) {
            matched = true;
            prevOffset = matchOffset = offset;
        }
    }

    /// @dev Assert `label` is an encodable size.
    ///
    /// @param label The label to check.
    ///
    /// @return The size of the label.
    function assertLabelSize(
        string memory label
    ) internal pure returns (uint8) {
        uint256 n = bytes(label).length;
        if (n == 0) revert LabelIsEmpty();
        if (n > 255) revert LabelIsTooLong(label);
        return uint8(n);
    }

    /// @dev Prepend `label` to DNS-encoded `name`.
    ///      * `addLabel("\x03eth\x00", "test") = "\x04test\x03eth\x00"`
    ///      * `addLabel("\x00", "eth") = "\x03eth\x00"`
    ///      * `addLabel("", "abc") = "\x03abc"` invalid
    ///      * `addLabel("", "")` reverts
    ///      Assumes `name` is properly encoded.
    ///      Reverts like `assertLabelSize()`.
    ///
    /// @param name The DNS-encoded parent name.
    /// @param label The child label to prepend.
    ///
    /// @return The DNS-encoded child name.
    function addLabel(
        bytes memory name,
        string memory label
    ) internal pure returns (bytes memory) {
        return abi.encodePacked(assertLabelSize(label), label, name);
    }

    /// @dev Transform `label` to DNS-encoded `{label}.eth`.
    ///      * `ethName("eth") = "\x04test\x03eth\x00"`
    ///      Behaves like `addLabel()`.
    ///
    /// @param label The label to encode.
    ///
    /// @return The DNS-encoded name.
    function ethName(string memory label) internal pure returns (bytes memory) {
        return addLabel("\x03eth\x00", label);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.4;

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 "@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);
    }
}

// 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;

interface IHasAddressResolver {
    /// @notice Determine if an addresss is stored for the coin type of the associated ENS node.
    /// @param node The node to query.
    /// @param coinType The coin type.
    /// @return True if the associated address is not empty.
    function hasAddr(
        bytes32 node,
        uint256 coinType
    ) external view returns (bool);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {HexUtils} from "../utils/HexUtils.sol";
import {NameCoder} from "../utils/NameCoder.sol";

uint32 constant CHAIN_ID_ETH = 1;

uint256 constant COIN_TYPE_ETH = 60;
uint256 constant COIN_TYPE_DEFAULT = 1 << 31; // 0x8000_0000

string constant SLUG_ETH = "addr"; // <=> COIN_TYPE_ETH
string constant SLUG_DEFAULT = "default"; // <=> COIN_TYPE_DEFAULT
string constant TLD_REVERSE = "reverse";

/// @dev Library for generating reverse names according to ENSIP-19.
/// https://docs.ens.domains/ensip/19
library ENSIP19 {
    /// @dev The supplied address was `0x`.
    ///      Error selector: `0x7138356f`
    error EmptyAddress();

    /// @dev Extract Chain ID from `coinType`.
    /// @param coinType The coin type.
    /// @return The Chain ID or 0 if non-EVM Chain.
    function chainFromCoinType(
        uint256 coinType
    ) internal pure returns (uint32) {
        if (coinType == COIN_TYPE_ETH) return CHAIN_ID_ETH;
        coinType ^= COIN_TYPE_DEFAULT;
        return uint32(coinType < COIN_TYPE_DEFAULT ? coinType : 0);
    }

    /// @dev Determine if Coin Type is for an EVM address.
    /// @param coinType The coin type.
    /// @return True if coin type represents an EVM address.
    function isEVMCoinType(uint256 coinType) internal pure returns (bool) {
        return coinType == COIN_TYPE_DEFAULT || chainFromCoinType(coinType) > 0;
    }

    /// @dev Generate Reverse Name from Address + Coin Type.
    ///      Reverts `EmptyAddress` if `addressBytes` is `0x`.
    /// @param addressBytes The input address.
    /// @param coinType The coin type.
    /// @return The ENS reverse name, eg. `1234abcd.addr.reverse`.
    function reverseName(
        bytes memory addressBytes,
        uint256 coinType
    ) internal pure returns (string memory) {
        if (addressBytes.length == 0) {
            revert EmptyAddress();
        }
        return
            string(
                abi.encodePacked(
                    HexUtils.bytesToHex(addressBytes),
                    bytes1("."),
                    coinType == COIN_TYPE_ETH
                        ? SLUG_ETH
                        : coinType == COIN_TYPE_DEFAULT
                            ? SLUG_DEFAULT
                            : HexUtils.unpaddedUintToHex(coinType, true),
                    bytes1("."),
                    TLD_REVERSE
                )
            );
    }

    /// @dev Parse Reverse Name into Address + Coin Type.
    ///      Matches: `/^[0-9a-fA-F]+\.([0-9a-f]{1,64}|addr|default)\.reverse$/`.
    ///      Reverts `DNSDecodingFailed`.
    /// @param name The DNS-encoded name.
    /// @return addressBytes The address or empty if invalid.
    /// @return coinType The coin type.
    function parse(
        bytes memory name
    ) internal pure returns (bytes memory addressBytes, uint256 coinType) {
        (, uint256 offset) = NameCoder.readLabel(name, 0);
        bool valid;
        (addressBytes, valid) = HexUtils.hexToBytes(name, 1, offset);
        if (!valid || addressBytes.length == 0) return ("", 0); // addressBytes not 1+ hex
        (valid, coinType) = parseNamespace(name, offset);
        if (!valid) return ("", 0); // invalid namespace
    }

    /// @dev Parse Reverse Namespace into Coin Type.
    ///      Matches: `/^([0-9a-f]{1,64}|addr|default)\.reverse$/`.
    ///      Reverts `DNSDecodingFailed`.
    /// @param name The DNS-encoded name.
    /// @param offset The offset to begin parsing.
    /// @return valid True if a valid reverse namespace.
    /// @return coinType The coin type.
    function parseNamespace(
        bytes memory name,
        uint256 offset
    ) internal pure returns (bool valid, uint256 coinType) {
        (bytes32 labelHash, uint256 offsetTLD) = NameCoder.readLabel(
            name,
            offset
        );
        if (labelHash == keccak256(bytes(SLUG_ETH))) {
            coinType = COIN_TYPE_ETH;
        } else if (labelHash == keccak256(bytes(SLUG_DEFAULT))) {
            coinType = COIN_TYPE_DEFAULT;
        } else if (labelHash == bytes32(0)) {
            return (false, 0); // no slug
        } else {
            (bytes32 word, bool validHex) = HexUtils.hexStringToBytes32(
                name,
                1 + offset,
                offsetTLD
            );
            if (!validHex) return (false, 0); // invalid coinType or too long
            coinType = uint256(word);
        }
        (labelHash, offset) = NameCoder.readLabel(name, offsetTLD);
        if (labelHash != keccak256(bytes(TLD_REVERSE))) return (false, 0); // invalid tld
        (labelHash, ) = NameCoder.readLabel(name, offset);
        if (labelHash != bytes32(0)) return (false, 0); // not tld
        valid = true;
    }
}

// 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;

import "../utils/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 isSubdomainOf(
        bytes memory self,
        bytes memory other
    ) internal pure returns (bool) {
        uint256 off = 0;
        uint256 counts = labelCount(self, 0);
        uint256 othercounts = labelCount(other, 0);

        while (counts > othercounts) {
            off = progress(self, off);
            counts--;
        }

        return self.equals(off, other, 0);
    }

    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) {
        unchecked {
            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 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 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
// 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
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 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 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 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 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
// 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;
    }
}

pragma solidity >=0.8.4;

interface IReverseRegistrar {
    function setDefaultResolver(address resolver) external;

    function claim(address owner) external returns (bytes32);

    function claimForAddr(
        address addr,
        address owner,
        address resolver
    ) external returns (bytes32);

    function claimWithResolver(
        address owner,
        address resolver
    ) external returns (bytes32);

    function setName(string memory name) external returns (bytes32);

    function setNameForAddr(
        address addr,
        address owner,
        address resolver,
        string memory name
    ) external returns (bytes32);

    function node(address addr) external pure returns (bytes32);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "../registry/ENS.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";

interface IBaseRegistrar is IERC721 {
    event ControllerAdded(address indexed controller);
    event ControllerRemoved(address indexed controller);
    event NameMigrated(
        uint256 indexed id,
        address indexed owner,
        uint256 expires
    );
    event NameRegistered(
        uint256 indexed id,
        address indexed owner,
        uint256 expires
    );
    event NameRenewed(uint256 indexed id, uint256 expires);

    // Authorises a controller, who can register and renew domains.
    function addController(address controller) external;

    // Revoke controller permission for an address.
    function removeController(address controller) external;

    // Set the resolver for the TLD this registrar manages.
    function setResolver(address resolver) external;

    // Returns the expiration timestamp of the specified label hash.
    function nameExpires(uint256 id) external view returns (uint256);

    // Returns true if the specified name is available for registration.
    function available(uint256 id) external view returns (bool);

    /// @dev Register a name.
    function register(
        uint256 id,
        address owner,
        uint256 duration
    ) external returns (uint256);

    function renew(uint256 id, uint256 duration) external returns (uint256);

    /// @dev Reclaim ownership of a name in ENS, if you own it in the registrar.
    function reclaim(uint256 id, address owner) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(
        address[] calldata accounts,
        uint256[] calldata ids
    ) external view returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(address from, address to, uint256 id, uint256 amount, bytes calldata data) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;

interface IMetadataService {
    function uri(uint256) external view returns (string memory);
}

//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;

interface INameWrapperUpgrade {
    function wrapFromUpgrade(
        bytes calldata name,
        address wrappedOwner,
        uint32 fuses,
        uint64 expiry,
        address approved,
        bytes calldata extraData
    ) external;
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

library LibMem {
    /// @dev Copy `mem[src:src+len]` to `mem[dst:dst+len]`.
    ///      Equivalent to `mcopy()`.
    ///
    /// @param src The source memory offset.
    /// @param dst The destination memory offset.
    /// @param len The number of bytes to copy.
    function copy(uint256 dst, uint256 src, uint256 len) internal pure {
        assembly ("memory-safe") {
            // Copy word-length chunks while possible
            // prettier-ignore
            for {} gt(len, 31) {} {
                mstore(dst, mload(src))
                dst := add(dst, 32)
                src := add(src, 32)
                len := sub(len, 32)
            }
            // Copy remaining bytes
            if len {
                let mask := sub(shl(shl(3, sub(32, len)), 1), 1)
                let wSrc := and(mload(src), not(mask))
                let wDst := and(mload(dst), mask)
                mstore(dst, or(wSrc, wDst))
            }
        }
    }

    /// @dev Convert bytes to a memory offset.
    ///
    /// @param v The bytes to convert.
    ///
    /// @return ret The corresponding memory offset.
    function ptr(bytes memory v) internal pure returns (uint256 ret) {
        assembly ("memory-safe") {
            ret := add(v, 32)
        }
    }

    /// @dev Read word at memory offset.
    ///
    /// @param src The memory offset.
    ///
    /// @return ret The read word.
    function load(uint256 src) internal pure returns (uint256 ret) {
        assembly ("memory-safe") {
            ret := mload(src)
        }
    }
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import {LibMem} from "./LibMem/LibMem.sol";

library BytesUtils {
    /// @dev `offset` was beyond `length`.
    ///       Error selector: `0x8a3c1cfb`
    error OffsetOutOfBoundsError(uint256 offset, uint256 length);

    /// @dev Assert `end` is not beyond the length of `v`.
    function _checkBound(bytes memory v, uint256 end) internal pure {
        if (end > v.length) {
            revert OffsetOutOfBoundsError(end, v.length);
        }
    }

    /// @dev Compute `keccak256(v[off:off+len])`.
    /// @param v The source bytes.
    /// @param off The offset into the source.
    /// @param len The number of bytes to hash.
    /// @return ret The corresponding hash.
    function keccak(
        bytes memory v,
        uint256 off,
        uint256 len
    ) internal pure returns (bytes32 ret) {
        _checkBound(v, off + len);
        assembly ("memory-safe") {
            ret := keccak256(add(add(v, 32), off), len)
        }
    }

    /// @dev Lexicographically compare two byte strings.
    /// @param vA The first bytes to compare.
    /// @param vB The second bytes to compare.
    /// @return Positive number if `A > B`, negative number if `A < B`, or zero if `A == B`.
    function compare(
        bytes memory vA,
        bytes memory vB
    ) internal pure returns (int256) {
        return compare(vA, 0, vA.length, vB, 0, vB.length);
    }

    /// @dev Lexicographically compare two byte ranges: `A = vA[offA:offA+lenA]` and `B = vB[offB:offB+lenB]`.
    /// @param vA The first bytes.
    /// @param offA The offset of the first bytes.
    /// @param lenA The length of the first bytes.
    /// @param vB The second bytes.
    /// @param offB The offset of the second bytes.
    /// @param lenB The length of the second bytes.
    /// @return Positive number if `A > B`, negative number if `A < B`, or zero if `A == B`.
    function compare(
        bytes memory vA,
        uint256 offA,
        uint256 lenA,
        bytes memory vB,
        uint256 offB,
        uint256 lenB
    ) internal pure returns (int256) {
        _checkBound(vA, offA + lenA);
        _checkBound(vB, offB + lenB);
        unchecked {
            uint256 ptrA = LibMem.ptr(vA) + offA;
            uint256 ptrB = LibMem.ptr(vB) + offB;
            uint256 shortest = lenA < lenB ? lenA : lenB;
            for (uint256 i; i < shortest; i += 32) {
                uint256 a = LibMem.load(ptrA + i);
                uint256 b = LibMem.load(ptrB + i);
                if (a != b) {
                    uint256 rest = shortest - i;
                    if (rest < 32) {
                        rest = (32 - rest) << 3; // bits to drop
                        a >>= rest; // shift out the
                        b >>= rest; // irrelevant bits
                    }
                    if (a < b) {
                        return -1;
                    } else if (a > b) {
                        return 1;
                    }
                }
            }
        }
        return int256(lenA) - int256(lenB);
    }

    /// @dev Determine if `a[offA:offA+len] == b[offB:offB+len]`.
    /// @param vA The first bytes.
    /// @param offA The offset into the first bytes.
    /// @param vB The second bytes.
    /// @param offB The offset into the second bytes.
    /// @param len The number of bytes to compare.
    /// @return True if the byte ranges are equal.
    function equals(
        bytes memory vA,
        uint256 offA,
        bytes memory vB,
        uint256 offB,
        uint256 len
    ) internal pure returns (bool) {
        return keccak(vA, offA, len) == keccak(vB, offB, len);
    }

    /// @dev Determine if `a[offA:] == b[offB:]`.
    /// @param vA The first bytes.
    /// @param offA The offset into the first bytes.
    /// @param vB The second bytes.
    /// @param offB The offset into the second bytes.
    /// @return True if the byte ranges are equal.
    function equals(
        bytes memory vA,
        uint256 offA,
        bytes memory vB,
        uint256 offB
    ) internal pure returns (bool) {
        _checkBound(vA, offA);
        _checkBound(vB, offB);
        unchecked {
            return
                keccak(vA, offA, vA.length - offA) ==
                keccak(vB, offB, vB.length - offB);
        }
    }

    /// @dev Determine if `a[offA:] == b`.
    /// @param vA The first bytes.
    /// @param offA The offset into the first bytes.
    /// @param vB The second bytes.
    /// @return True if the byte ranges are equal.
    function equals(
        bytes memory vA,
        uint256 offA,
        bytes memory vB
    ) internal pure returns (bool) {
        return
            vA.length == offA + vB.length &&
            keccak(vA, offA, vB.length) == keccak256(vB);
    }

    /// @dev Determine if `a == b`.
    /// @param vA The first bytes.
    /// @param vB The second bytes.
    /// @return True if the bytes are equal.
    function equals(
        bytes memory vA,
        bytes memory vB
    ) internal pure returns (bool) {
        return vA.length == vB.length && keccak256(vA) == keccak256(vB);
    }

    /// @dev Returns `uint8(v[off])`.
    /// @param v The source bytes.
    /// @param off The offset into the source.
    /// @return The corresponding `uint8`.
    function readUint8(
        bytes memory v,
        uint256 off
    ) internal pure returns (uint8) {
        _checkBound(v, off + 1);
        unchecked {
            return uint8(v[off]);
        }
    }

    /// @dev Returns `uint16(bytes2(v[off:off+2]))`.
    /// @param v The source bytes.
    /// @param off The offset into the source.
    /// @return ret The corresponding `uint16`.
    function readUint16(
        bytes memory v,
        uint256 off
    ) internal pure returns (uint16 ret) {
        _checkBound(v, off + 2);
        assembly ("memory-safe") {
            ret := shr(240, mload(add(add(v, 32), off)))
        }
    }

    /// @dev Returns `uint32(bytes4(v[off:off+4]))`.
    /// @param v The source bytes.
    /// @param off The offset into the source.
    /// @return ret The corresponding `uint32`.
    function readUint32(
        bytes memory v,
        uint256 off
    ) internal pure returns (uint32 ret) {
        _checkBound(v, off + 4);
        assembly ("memory-safe") {
            ret := shr(224, mload(add(add(v, 32), off)))
        }
    }

    /// @dev Returns `bytes20(v[off:off+20])`.
    /// @param v The source bytes.
    /// @param off The offset into the source.
    /// @return ret The corresponding `bytes20`.
    function readBytes20(
        bytes memory v,
        uint256 off
    ) internal pure returns (bytes20 ret) {
        _checkBound(v, off + 20);
        assembly ("memory-safe") {
            ret := shl(96, mload(add(add(v, 20), off)))
        }
    }

    /// @dev Returns `bytes32(v[off:off+32])`.
    /// @param v The source bytes.
    /// @param off The offset into the source.
    /// @return ret The corresponding `bytes32`.
    function readBytes32(
        bytes memory v,
        uint256 off
    ) internal pure returns (bytes32 ret) {
        _checkBound(v, off + 32);
        assembly ("memory-safe") {
            ret := mload(add(add(v, 32), off))
        }
    }

    /// @dev Returns `bytes32(bytesN(v[off:off+len]))`.
    ///      Accepts 0-32 bytes or reverts.
    /// @param v The source bytes.
    /// @param off The offset into the source.
    /// @param len The number of bytes.
    /// @return ret The corresponding N-bytes left-aligned in a `bytes32`.
    function readBytesN(
        bytes memory v,
        uint256 off,
        uint256 len
    ) internal pure returns (bytes32 ret) {
        assert(len <= 32);
        _checkBound(v, off + len);
        assembly ("memory-safe") {
            let mask := sub(shl(shl(3, sub(32, len)), 1), 1) // <(32-N)x00><NxFF>
            ret := and(mload(add(add(v, 32), off)), not(mask))
        }
    }

    /// @dev Copy `vSrc[offSrc:offSrc+len]` to `vDst[offDst:offDst:len]`.
    /// @param vSrc The source bytes.
    /// @param offSrc The offset into the source to begin the copy.
    /// @param vDst The destination bytes.
    /// @param offDst The offset into the destination to place the copy.
    /// @param len The number of bytes to copy.
    function copyBytes(
        bytes memory vSrc,
        uint256 offSrc,
        bytes memory vDst,
        uint256 offDst,
        uint256 len
    ) internal pure {
        _checkBound(vSrc, offSrc + len);
        _checkBound(vDst, offDst + len);
        unchecked {
            LibMem.copy(
                LibMem.ptr(vDst) + offDst,
                LibMem.ptr(vSrc) + offSrc,
                len
            );
        }
    }

    /// @dev Copies a substring into a new byte string.
    /// @param vSrc The byte string to copy from.
    /// @param off The offset to start copying at.
    /// @param len The number of bytes to copy.
    /// @return vDst The copied substring.
    function substring(
        bytes memory vSrc,
        uint256 off,
        uint256 len
    ) internal pure returns (bytes memory vDst) {
        vDst = new bytes(len);
        copyBytes(vSrc, off, vDst, 0, len);
    }

    /// @dev Find the first occurrence of `needle`.
    /// @param v The bytes to search.
    /// @param off The offset to start searching.
    /// @param len The number of bytes to search.
    /// @param needle The byte to search for.
    /// @return The offset of `needle`, or `type(uint256).max` if not found.
    function find(
        bytes memory v,
        uint256 off,
        uint256 len,
        bytes1 needle
    ) internal pure returns (uint256) {
        for (uint256 end = off + len; off < end; off++) {
            if (v[off] == needle) {
                return off;
            }
        }
        return type(uint256).max;
    }

    /// @dev Returns `true` if word contains a zero byte.
    function hasZeroByte(uint256 word) internal pure returns (bool) {
        unchecked {
            return
                ((~word &
                    (word -
                        0x0101010101010101010101010101010101010101010101010101010101010101)) &
                    0x8080808080808080808080808080808080808080808080808080808080808080) !=
                0;
        }
    }

    /// @dev Efficiently check if `v[off:off+len]` contains `needle` byte.
    /// @param v The source bytes.
    /// @param off The offset into the source.
    /// @param len The number of bytes to search.
    /// @param needle The byte to search for.
    /// @return found `true` if `needle` was found.
    function includes(
        bytes memory v,
        uint256 off,
        uint256 len,
        bytes1 needle
    ) internal pure returns (bool found) {
        _checkBound(v, off + len);
        unchecked {
            uint256 wide = uint8(needle);
            wide |= wide << 8;
            wide |= wide << 16;
            wide |= wide << 32;
            wide |= wide << 64;
            wide |= wide << 128; // broadcast byte across word
            off += LibMem.ptr(v);
            len += off;
            while (off < len) {
                uint256 word = LibMem.load(off) ^ wide; // zero needle byte
                off += 32;
                if (hasZeroByte(word)) {
                    return
                        off <= len ||
                        hasZeroByte(
                            word | ((1 << ((off - len) << 3)) - 1) // recheck overflow by making it nonzero
                        );
                }
            }
        }
    }
}

// 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: MIT
pragma solidity ^0.8.4;

library HexUtils {
    /// @dev Convert `hexString[off:end]` to `bytes32`.
    ///      Accepts 0-64 hex-chars.
    ///      Uses right alignment: `1` → `0000000000000000000000000000000000000000000000000000000000000001`.
    /// @param hexString The string to parse.
    /// @param off The index to start parsing.
    /// @param end The (exclusive) index to stop parsing.
    /// @return word The parsed bytes32.
    /// @return valid True if the parse was successful.
    function hexStringToBytes32(
        bytes memory hexString,
        uint256 off,
        uint256 end
    ) internal pure returns (bytes32 word, bool valid) {
        if (end < off) return ("", false); // invalid range
        uint256 nibbles = end - off;
        if (nibbles > 64 || end > hexString.length) {
            return (bytes32(0), false); // too large or out of bounds
        }
        uint256 src;
        assembly {
            src := add(add(hexString, 32), off)
        }
        valid = unsafeBytes(src, 0, nibbles);
        assembly {
            let pad := sub(32, shr(1, add(nibbles, 1))) // number of bytes
            word := shr(shl(3, pad), mload(0)) // right align
        }
    }

    /// @dev Convert `hexString[off:end]` to `address`.
    ///      Accepts exactly 40 hex-chars.
    /// @param hexString The string to parse.
    /// @param off The index to start parsing.
    /// @param end The (exclusive) index to stop parsing.
    /// @return addr The parsed address.
    /// @return valid True if the parse was successful.
    function hexToAddress(
        bytes memory hexString,
        uint256 off,
        uint256 end
    ) internal pure returns (address addr, bool valid) {
        if (off + 40 != end) return (address(0), false); // wrong length
        bytes32 word;
        (word, valid) = hexStringToBytes32(hexString, off, end);
        addr = address(uint160(uint256(word)));
    }

    /// @dev Convert `hexString[off:end]` to `bytes`.
    ///      Accepts 0+ hex-chars.
    /// @param hexString The string to parse.
    /// @param off The index to start parsing.
    /// @param end The (exclusive) index to stop parsing.
    /// @return v The parsed bytes.
    /// @return valid True if the parse was successful.
    function hexToBytes(
        bytes memory hexString,
        uint256 off,
        uint256 end
    ) internal pure returns (bytes memory v, bool valid) {
        if (end < off) return ("", false); // invalid range
        uint256 nibbles = end - off;
        v = new bytes((1 + nibbles) >> 1); // round up
        uint256 src;
        uint256 dst;
        assembly {
            src := add(add(hexString, 32), off)
            dst := add(v, 32)
        }
        valid = unsafeBytes(src, dst, nibbles);
    }

    /// @dev Convert arbitrary hex-encoded memory to bytes.
    ///      If nibbles is odd, leading hex-char is padded, eg. `F` &rarr; `0x0F`.
    ///      Matches: `/^[0-9a-f]*$/i`.
    /// @param src The memory offset of first hex-char of input.
    /// @param dst The memory offset of first byte of output (cannot alias `src`).
    /// @param nibbles The number of hex-chars to convert.
    /// @return valid True if all characters were hex.
    function unsafeBytes(
        uint256 src,
        uint256 dst,
        uint256 nibbles
    ) internal pure returns (bool valid) {
        assembly {
            function getHex(c, i) -> ascii {
                c := byte(i, c)
                // chars 48-57: 0-9
                if and(gt(c, 47), lt(c, 58)) {
                    ascii := sub(c, 48)
                    leave
                }
                // chars 65-70: A-F
                if and(gt(c, 64), lt(c, 71)) {
                    ascii := add(sub(c, 65), 10)
                    leave
                }
                // chars 97-102: a-f
                if and(gt(c, 96), lt(c, 103)) {
                    ascii := add(sub(c, 97), 10)
                    leave
                }
                // invalid char
                ascii := 0x100
            }
            valid := true
            let end := add(src, nibbles)
            if and(nibbles, 1) {
                let b := getHex(mload(src), 0) // "f" -> 15
                mstore8(dst, b) // write ascii byte
                src := add(src, 1) // update pointers
                dst := add(dst, 1)
                if gt(b, 255) {
                    valid := false
                    src := end // terminate loop
                }
            }
            // prettier-ignore
            for {} lt(src, end) {
                src := add(src, 2) // 2 nibbles
                dst := add(dst, 1) // per byte
            } {
                let word := mload(src) // read word (left aligned)
                let b := or(shl(4, getHex(word, 0)), getHex(word, 1)) // "ff" -> 255
                if gt(b, 255) {
                    valid := false
                    break
                }
                mstore8(dst, b) // write ascii byte
            }
        }
    }

    /// @dev Format `address` as a hex string.
    /// @param addr The address to format.
    /// @return hexString The corresponding hex string w/o a 0x-prefix.
    function addressToHex(
        address addr
    ) internal pure returns (string memory hexString) {
        // return bytesToHex(abi.encodePacked(addr));
        hexString = new string(40);
        uint256 dst;
        assembly {
            mstore(0, addr)
            dst := add(hexString, 32)
        }
        unsafeHex(12, dst, 40);
    }

    /// @dev Format `uint256` as a variable-length hex string without zero padding.
    /// * unpaddedUintToHex(0, true)  = "0"
    /// * unpaddedUintToHex(1, true)  = "1"
    /// * unpaddedUintToHex(0, false) = "00"
    /// * unpaddedUintToHex(1, false) = "01"
    /// @param value The number to format.
    /// @param dropZeroNibble If true, the leading byte will use one nibble if less than 16.
    /// @return hexString The corresponding hex string w/o an 0x-prefix.
    function unpaddedUintToHex(
        uint256 value,
        bool dropZeroNibble
    ) internal pure returns (string memory hexString) {
        uint256 temp = value;
        uint256 shift;
        for (uint256 b = 128; b >= 8; b >>= 1) {
            if (temp < (1 << b)) {
                shift += b; // number of zero upper bits
            } else {
                temp >>= b; // shift away lower half
            }
        }
        if (dropZeroNibble && temp < 16) shift += 4;
        uint256 nibbles = 64 - (shift >> 2);
        hexString = new string(nibbles);
        uint256 dst;
        assembly {
            mstore(0, shl(shift, value)) // left-align
            dst := add(hexString, 32)
        }
        unsafeHex(0, dst, nibbles);
    }

    /// @dev Format `bytes` as a hex string.
    /// @param v The bytes to format.
    /// @return hexString The corresponding hex string w/o a 0x-prefix.
    function bytesToHex(
        bytes memory v
    ) internal pure returns (string memory hexString) {
        uint256 nibbles = v.length << 1;
        hexString = new string(nibbles);
        uint256 src;
        uint256 dst;
        assembly {
            src := add(v, 32)
            dst := add(hexString, 32)
        }
        unsafeHex(src, dst, nibbles);
    }

    /// @dev Converts arbitrary memory to a hex string.
    /// @param src The memory offset of first nibble of input.
    /// @param dst The memory offset of first hex-char of output (can alias `src`).
    /// @param nibbles The number of nibbles to convert and the byte-length of the output.
    function unsafeHex(
        uint256 src,
        uint256 dst,
        uint256 nibbles
    ) internal pure {
        unchecked {
            for (uint256 end = dst + nibbles; dst < end; src += 32) {
                uint256 word;
                assembly {
                    word := mload(src)
                }
                for (uint256 shift = 256; dst < end && shift > 0; dst++) {
                    uint256 b = (word >> (shift -= 4)) & 15; // each nibble
                    b = b < 10 ? b + 0x30 : b + 0x57; // ("a" - 10) => 0x57
                    assembly {
                        mstore8(dst, b)
                    }
                }
            }
        }
    }
}

// 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);
        }

        unchecked {
            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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * 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);
}

{
  "remappings": [
    "forge-std/=node_modules/forge-std/src/",
    "@ensdomains/ens-contracts/=node_modules/@ensdomains/ens-contracts/contracts/",
    "@unruggable/gateways/=node_modules/@unruggable/gateways/contracts/",
    "@openzeppelin/contracts-v5/=node_modules/@openzeppelin/contracts-v5/",
    "@openzeppelin/contracts/=node_modules/@openzeppelin/contracts/",
    "clones-with-immutable-args/=node_modules/clones-with-immutable-args/",
    "@ensdomains/buffer/contracts/Buffer.sol=node_modules/@ensdomains/buffer/contracts/Buffer.sol",
    "hardhat/=node_modules/hardhat/"
  ],
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "prague",
  "viaIR": false
}

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INameWrapper","name":"wrapperAddress","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"bytes","name":"addressBytes","type":"bytes"}],"name":"InvalidEVMAddress","type":"error"},{"inputs":[{"internalType":"uint256","name":"offset","type":"uint256"},{"internalType":"uint256","name":"length","type":"uint256"}],"name":"OffsetOutOfBoundsError","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":true,"internalType":"uint256","name":"contentType","type":"uint256"}],"name":"ABIChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":false,"internalType":"address","name":"a","type":"address"}],"name":"AddrChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"coinType","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"newAddress","type":"bytes"}],"name":"AddressChanged","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":false,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":true,"internalType":"address","name":"delegate","type":"address"},{"indexed":true,"internalType":"bool","name":"approved","type":"bool"}],"name":"Approved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":false,"internalType":"bytes","name":"hash","type":"bytes"}],"name":"ContenthashChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":false,"internalType":"bytes","name":"name","type":"bytes"},{"indexed":false,"internalType":"uint16","name":"resource","type":"uint16"},{"indexed":false,"internalType":"bytes","name":"record","type":"bytes"}],"name":"DNSRecordChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":false,"internalType":"bytes","name":"name","type":"bytes"},{"indexed":false,"internalType":"uint16","name":"resource","type":"uint16"}],"name":"DNSRecordDeleted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":false,"internalType":"bytes","name":"lastzonehash","type":"bytes"},{"indexed":false,"internalType":"bytes","name":"zonehash","type":"bytes"}],"name":"DNSZonehashChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":true,"internalType":"bytes4","name":"interfaceID","type":"bytes4"},{"indexed":false,"internalType":"address","name":"implementer","type":"address"}],"name":"InterfaceChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":false,"internalType":"string","name":"name","type":"string"}],"name":"NameChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":false,"internalType":"bytes32","name":"x","type":"bytes32"},{"indexed":false,"internalType":"bytes32","name":"y","type":"bytes32"}],"name":"PubkeyChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":true,"internalType":"string","name":"indexedKey","type":"string"},{"indexed":false,"internalType":"string","name":"key","type":"string"},{"indexed":false,"internalType":"string","name":"value","type":"string"}],"name":"TextChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"},{"indexed":false,"internalType":"uint64","name":"newVersion","type":"uint64"}],"name":"VersionChanged","type":"event"},{"inputs":[{"internalType":"bytes32","name":"node","type":"bytes32"},{"internalType":"uint256","name":"contentTypes","type":"uint256"}],"name":"ABI","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"node","type":"bytes32"}],"name":"addr","outputs":[{"internalType":"address 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"node","type":"bytes32"},{"internalType":"bytes","name":"hash","type":"bytes"}],"name":"setContenthash","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"node","type":"bytes32"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"setDNSRecords","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"node","type":"bytes32"},{"internalType":"bytes4","name":"interfaceID","type":"bytes4"},{"internalType":"address","name":"implementer","type":"address"}],"name":"setInterface","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"node","type":"bytes32"},{"internalType":"string","name":"newName","type":"string"}],"name":"setName","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"node","type":"bytes32"},{"internalType":"bytes32","name":"x","type":"bytes32"},{"internalType":"bytes32","name":"y","type":"bytes32"}],"name":"setPubkey","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"node","type":"bytes32"},{"internalType":"string","name":"key","type":"string"},{"internalType":"string","name":"value","type":"string"}],"name":"setText","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"node","type":"bytes32"},{"internalType":"bytes","name":"hash","type":"bytes"}],"name":"setZonehash","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":[{"internalType":"bytes32","name":"node","type":"bytes32"},{"internalType":"string","name":"key","type":"string"}],"name":"text","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"node","type":"bytes32"}],"name":"zonehash","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"}]

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00000000000000000000000000000000000c2e074ec69a0dfb2997ba6c7d2e1e0000000000000000000000000635513f179d50a207757e05759cbd106d7dfce8

-----Decoded View---------------
Arg [0] : _ens (address): 0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e
Arg [1] : wrapperAddress (address): 0x0635513f179D50A207757E05759CbD106d7dFcE8

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000c2e074ec69a0dfb2997ba6c7d2e1e
Arg [1] : 0000000000000000000000000635513f179d50a207757e05759cbd106d7dfce8