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Set Target207069982024-09-08 16:10:23308 days ago1725811823IN
0xde16ee87...6560f679a
0 ETH0.000206392.97869162
Set Target204134742024-07-29 16:39:47349 days ago1722271187IN
0xde16ee87...6560f679a
0 ETH0.000378715.46661278

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Contract Source Code Verified (Exact Match)

Contract Name:
L1Resolver

Compiler Version
v0.8.25+commit.b61c2a91

Optimization Enabled:
Yes with 200 runs

Other Settings:
paris EvmVersion
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.25;

import {EVMFetcher} from "linea-state-verifier/contracts/EVMFetcher.sol";
import {EVMFetchTarget} from "linea-state-verifier/contracts/EVMFetchTarget.sol";
import {IEVMVerifier} from "linea-state-verifier/contracts/IEVMVerifier.sol";
import "@ensdomains/ens-contracts/contracts/registry/ENS.sol";
import {INameWrapper} from "@ensdomains/ens-contracts/contracts/wrapper/INameWrapper.sol";
import {BytesUtils} from "@ensdomains/ens-contracts/contracts/dnssec-oracle/BytesUtils.sol";
import {IAddrResolver} from "@ensdomains/ens-contracts/contracts/resolvers/profiles/IAddrResolver.sol";
import {IAddressResolver} from "@ensdomains/ens-contracts/contracts/resolvers/profiles/IAddressResolver.sol";
import {ITextResolver} from "@ensdomains/ens-contracts/contracts/resolvers/profiles/ITextResolver.sol";
import {IContentHashResolver} from "@ensdomains/ens-contracts/contracts/resolvers/profiles/IContentHashResolver.sol";
import "@ensdomains/ens-contracts/contracts/resolvers/profiles/IExtendedResolver.sol";
import {ITargetResolver} from "./ITargetResolver.sol";
import {IMetadataResolver} from "./IMetadataResolver.sol";
import {IAddrSetter} from "./IAddrSetter.sol";
import "@openzeppelin/contracts/utils/introspection/ERC165.sol";

contract L1Resolver is
    EVMFetchTarget,
    ITargetResolver,
    IMetadataResolver,
    IExtendedResolver,
    IAddrSetter,
    ERC165
{
    using EVMFetcher for EVMFetcher.EVMFetchRequest;
    using BytesUtils for bytes;
    IEVMVerifier public immutable verifier;
    ENS public immutable ens;
    INameWrapper public immutable nameWrapper;
    uint256 public immutable l2ChainId;
    mapping(bytes32 => address) targets;
    uint256 constant COIN_TYPE_ETH = 60;
    uint256 constant RECORD_VERSIONS_SLOT = 0;
    uint256 constant VERSIONABLE_ABIS_SLOT = 1;
    uint256 constant VERSIONABLE_ADDRESSES_SLOT = 2;
    uint256 constant VERSIONABLE_HASHES_SLOT = 3;
    uint256 constant VERSIONABLE_TEXTS_SLOT = 10;
    // To check how old is the value/proof returned and is in the acceptable range
    uint256 constant ACCEPTED_L2_BLOCK_RANGE_LENGTH = 86400;
    string public graphqlUrl;

    event TargetSet(bytes name, address target);

    function isAuthorised(bytes32 node) internal view returns (bool) {
        // TODO: Add support for
        // trustedETHController
        // trustedReverseRegistrar
        // isApprovedForAll
        // isApprovedFor
        address owner = ens.owner(node);
        if (owner == address(nameWrapper)) {
            owner = nameWrapper.ownerOf(uint256(node));
        }
        return owner == msg.sender;
    }

    /**
     * @dev EIP-5559 - Error to raise when mutations are being deferred to an L2.
     * @param chainId Chain ID to perform the deferred mutation to.
     * @param contractAddress Contract Address at which the deferred mutation should transact with.
     */
    error StorageHandledByL2(uint256 chainId, address contractAddress);

    /**
     * @param _verifier     The chain verifier address
     * @param _ens          The ENS registry address
     * @param _nameWrapper  The ENS name wrapper address
     * @param _graphqlUrl   The offchain/l2 graphql endpoint url
     * @param _l2ChainId    The chainId at which the resolver resolves data from
     */
    constructor(
        IEVMVerifier _verifier,
        ENS _ens,
        INameWrapper _nameWrapper,
        string memory _graphqlUrl,
        uint256 _l2ChainId
    ) {
        require(
            address(_nameWrapper) != address(0),
            "Name Wrapper address must be set"
        );
        require(
            address(_verifier) != address(0),
            "Verifier address must be set"
        );
        require(address(_ens) != address(0), "Registry address must be set");
        verifier = _verifier;
        ens = _ens;
        nameWrapper = _nameWrapper;
        graphqlUrl = _graphqlUrl;
        l2ChainId = _l2ChainId;
    }

    /**
     * @dev inherits from EVMFetchTarget
     */
    function getAcceptedL2BlockRangeLength()
        public
        pure
        override
        returns (uint256)
    {
        return ACCEPTED_L2_BLOCK_RANGE_LENGTH;
    }

    /**
     * Set target address to verify against
     * @param name The encoded name to query.
     * @param target The L2 resolver address to verify against.
     */
    function setTarget(bytes calldata name, address target) external {
        (bytes32 node, ) = getTarget(name);
        require(
            isAuthorised(node),
            "Not authorized to set target for this node"
        );
        targets[node] = target;
        emit TargetSet(name, target);
        emit MetadataChanged(name, graphqlUrl);
    }

    /**
     * @dev Returns the L2 target address that can answer queries for `name`.
     * @param name DNS encoded ENS name to query
     * @return node The node of the name
     * @return target The L2 resolver address to verify against.
     */
    function getTarget(
        bytes memory name
    ) public view returns (bytes32 node, address target) {
        return _getTarget(name, 0);
    }

    function _getTarget(
        bytes memory name,
        uint256 offset
    ) private view returns (bytes32 node, address target) {
        uint256 len = name.readUint8(offset);
        node = bytes32(0);
        if (len > 0) {
            bytes32 label = name.keccak(offset + 1, len);
            (node, target) = _getTarget(name, offset + len + 1);
            node = keccak256(abi.encodePacked(node, label));
            if (targets[node] != address(0)) {
                return (node, targets[node]);
            }
        } else {
            return (bytes32(0), address(0));
        }
        return (node, target);
    }

    /**
     * @dev Resolve and verify a record stored in l2 target address. It supports subname by fetching target recursively to the nearest parent.
     * @param name DNS encoded ENS name to query
     * @param data The actual calldata
     * @return result result of the call
     */
    function resolve(
        bytes calldata name,
        bytes calldata data
    ) external view returns (bytes memory result) {
        require(data.length >= 4, "param data too short");

        (, address target) = _getTarget(name, 0);
        bytes4 selector = bytes4(data);

        if (selector == IAddrResolver.addr.selector) {
            bytes32 node = abi.decode(data[4:], (bytes32));
            return _addr(node, target);
        }
        if (selector == IAddressResolver.addr.selector) {
            (bytes32 node, uint256 cointype) = abi.decode(
                data[4:],
                (bytes32, uint256)
            );
            return _addr(node, cointype, target);
        }
        if (selector == ITextResolver.text.selector) {
            (bytes32 node, string memory key) = abi.decode(
                data[4:],
                (bytes32, string)
            );
            return bytes(_text(node, key, target));
        }
        if (selector == IContentHashResolver.contenthash.selector) {
            bytes32 node = abi.decode(data[4:], (bytes32));
            return _contenthash(node, target);
        }

        // None selector has been found it reverts
        revert("invalid selector");
    }

    /**
     * @dev Resolve and throws an EIP 3559 compliant error
     * @param name DNS encoded ENS name to query
     * @param _addr The actual calldata
     * @return result result of the call
     */
    function setAddr(
        bytes calldata name,
        address _addr
    ) external view returns (bytes memory result) {
        (, address target) = _getTarget(name, 0);
        _writeDeferral(target);
    }

    function _addr(
        bytes32 node,
        address target
    ) private view returns (bytes memory) {
        EVMFetcher
            .newFetchRequest(verifier, target)
            .getStatic(RECORD_VERSIONS_SLOT)
            .element(node)
            .getDynamic(VERSIONABLE_ADDRESSES_SLOT)
            .ref(0)
            .element(node)
            .element(COIN_TYPE_ETH)
            .fetch(this.addrCallback.selector, ""); // recordVersions
    }

    function addrCallback(
        bytes[] memory values,
        bytes memory
    ) external pure returns (bytes memory) {
        return abi.encode(address(bytes20(values[1])));
    }

    function _addr(
        bytes32 node,
        uint256 coinType,
        address target
    ) private view returns (bytes memory) {
        EVMFetcher
            .newFetchRequest(verifier, target)
            .getStatic(RECORD_VERSIONS_SLOT)
            .element(node)
            .getDynamic(VERSIONABLE_ADDRESSES_SLOT)
            .ref(0)
            .element(node)
            .element(coinType)
            .fetch(this.addrCoinTypeCallback.selector, "");
    }

    function addrCoinTypeCallback(
        bytes[] memory values,
        bytes memory
    ) external pure returns (bytes memory) {
        return abi.encode(values[1]);
    }

    function _text(
        bytes32 node,
        string memory key,
        address target
    ) private view returns (bytes memory) {
        EVMFetcher
            .newFetchRequest(verifier, target)
            .getStatic(RECORD_VERSIONS_SLOT)
            .element(node)
            .getDynamic(VERSIONABLE_TEXTS_SLOT)
            .ref(0)
            .element(node)
            .element(key)
            .fetch(this.textCallback.selector, "");
    }

    function textCallback(
        bytes[] memory values,
        bytes memory
    ) external pure returns (bytes memory) {
        return abi.encode(string(values[1]));
    }

    function _contenthash(
        bytes32 node,
        address target
    ) private view returns (bytes memory) {
        EVMFetcher
            .newFetchRequest(verifier, target)
            .getStatic(RECORD_VERSIONS_SLOT)
            .element(node)
            .getDynamic(VERSIONABLE_HASHES_SLOT)
            .ref(0)
            .element(node)
            .fetch(this.contenthashCallback.selector, "");
    }

    function contenthashCallback(
        bytes[] memory values,
        bytes memory
    ) external pure returns (bytes memory) {
        return abi.encode(values[1]);
    }

    /**
     * @notice Get metadata about the L1 Resolver
     * @dev This function provides metadata about the L1 Resolver, including its name, coin type, GraphQL URL, storage type, and encoded information.
     * @param name The domain name in format (dnsEncoded)
     * @return graphqlUrl The GraphQL URL used by the resolver
     */
    function metadata(
        bytes calldata name
    ) external view returns (string memory) {
        return (graphqlUrl);
    }

    function supportsInterface(
        bytes4 interfaceId
    ) public view override returns (bool) {
        return
            interfaceId == type(IExtendedResolver).interfaceId ||
            interfaceId == type(ITargetResolver).interfaceId ||
            interfaceId == type(IMetadataResolver).interfaceId ||
            interfaceId == type(IAddrSetter).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    function _writeDeferral(address target) internal view {
        revert StorageHandledByL2(l2ChainId, target);
    }
}

pragma solidity ^0.8.4;

library BytesUtils {
    error OffsetOutOfBoundsError(uint256 offset, uint256 length);

    /*
     * @dev Returns the keccak-256 hash of a byte range.
     * @param self The byte string to hash.
     * @param offset The position to start hashing at.
     * @param len The number of bytes to hash.
     * @return The hash of the byte range.
     */
    function keccak(
        bytes memory self,
        uint256 offset,
        uint256 len
    ) internal pure returns (bytes32 ret) {
        require(offset + len <= self.length);
        assembly {
            ret := keccak256(add(add(self, 32), offset), len)
        }
    }

    /*
     * @dev Returns a positive number if `other` comes lexicographically after
     *      `self`, a negative number if it comes before, or zero if the
     *      contents of the two bytes are equal.
     * @param self The first bytes to compare.
     * @param other The second bytes to compare.
     * @return The result of the comparison.
     */
    function compare(
        bytes memory self,
        bytes memory other
    ) internal pure returns (int256) {
        return compare(self, 0, self.length, other, 0, other.length);
    }

    /*
     * @dev Returns a positive number if `other` comes lexicographically after
     *      `self`, a negative number if it comes before, or zero if the
     *      contents of the two bytes are equal. Comparison is done per-rune,
     *      on unicode codepoints.
     * @param self The first bytes to compare.
     * @param offset The offset of self.
     * @param len    The length of self.
     * @param other The second bytes to compare.
     * @param otheroffset The offset of the other string.
     * @param otherlen    The length of the other string.
     * @return The result of the comparison.
     */
    function compare(
        bytes memory self,
        uint256 offset,
        uint256 len,
        bytes memory other,
        uint256 otheroffset,
        uint256 otherlen
    ) internal pure returns (int256) {
        if (offset + len > self.length) {
            revert OffsetOutOfBoundsError(offset + len, self.length);
        }
        if (otheroffset + otherlen > other.length) {
            revert OffsetOutOfBoundsError(otheroffset + otherlen, other.length);
        }

        uint256 shortest = len;
        if (otherlen < len) shortest = otherlen;

        uint256 selfptr;
        uint256 otherptr;

        assembly {
            selfptr := add(self, add(offset, 32))
            otherptr := add(other, add(otheroffset, 32))
        }
        for (uint256 idx = 0; idx < shortest; idx += 32) {
            uint256 a;
            uint256 b;
            assembly {
                a := mload(selfptr)
                b := mload(otherptr)
            }
            if (a != b) {
                // Mask out irrelevant bytes and check again
                uint256 mask;
                if (shortest - idx >= 32) {
                    mask = type(uint256).max;
                } else {
                    mask = ~(2 ** (8 * (idx + 32 - shortest)) - 1);
                }
                int256 diff = int256(a & mask) - int256(b & mask);
                if (diff != 0) return diff;
            }
            selfptr += 32;
            otherptr += 32;
        }

        return int256(len) - int256(otherlen);
    }

    /*
     * @dev Returns true if the two byte ranges are equal.
     * @param self The first byte range to compare.
     * @param offset The offset into the first byte range.
     * @param other The second byte range to compare.
     * @param otherOffset The offset into the second byte range.
     * @param len The number of bytes to compare
     * @return True if the byte ranges are equal, false otherwise.
     */
    function equals(
        bytes memory self,
        uint256 offset,
        bytes memory other,
        uint256 otherOffset,
        uint256 len
    ) internal pure returns (bool) {
        return keccak(self, offset, len) == keccak(other, otherOffset, len);
    }

    /*
     * @dev Returns true if the two byte ranges are equal with offsets.
     * @param self The first byte range to compare.
     * @param offset The offset into the first byte range.
     * @param other The second byte range to compare.
     * @param otherOffset The offset into the second byte range.
     * @return True if the byte ranges are equal, false otherwise.
     */
    function equals(
        bytes memory self,
        uint256 offset,
        bytes memory other,
        uint256 otherOffset
    ) internal pure returns (bool) {
        return
            keccak(self, offset, self.length - offset) ==
            keccak(other, otherOffset, other.length - otherOffset);
    }

    /*
     * @dev Compares a range of 'self' to all of 'other' and returns True iff
     *      they are equal.
     * @param self The first byte range to compare.
     * @param offset The offset into the first byte range.
     * @param other The second byte range to compare.
     * @return True if the byte ranges are equal, false otherwise.
     */
    function equals(
        bytes memory self,
        uint256 offset,
        bytes memory other
    ) internal pure returns (bool) {
        return
            self.length == offset + other.length &&
            equals(self, offset, other, 0, other.length);
    }

    /*
     * @dev Returns true if the two byte ranges are equal.
     * @param self The first byte range to compare.
     * @param other The second byte range to compare.
     * @return True if the byte ranges are equal, false otherwise.
     */
    function equals(
        bytes memory self,
        bytes memory other
    ) internal pure returns (bool) {
        return
            self.length == other.length &&
            equals(self, 0, other, 0, self.length);
    }

    /*
     * @dev Returns the 8-bit number at the specified index of self.
     * @param self The byte string.
     * @param idx The index into the bytes
     * @return The specified 8 bits of the string, interpreted as an integer.
     */
    function readUint8(
        bytes memory self,
        uint256 idx
    ) internal pure returns (uint8 ret) {
        return uint8(self[idx]);
    }

    /*
     * @dev Returns the 16-bit number at the specified index of self.
     * @param self The byte string.
     * @param idx The index into the bytes
     * @return The specified 16 bits of the string, interpreted as an integer.
     */
    function readUint16(
        bytes memory self,
        uint256 idx
    ) internal pure returns (uint16 ret) {
        require(idx + 2 <= self.length);
        assembly {
            ret := and(mload(add(add(self, 2), idx)), 0xFFFF)
        }
    }

    /*
     * @dev Returns the 32-bit number at the specified index of self.
     * @param self The byte string.
     * @param idx The index into the bytes
     * @return The specified 32 bits of the string, interpreted as an integer.
     */
    function readUint32(
        bytes memory self,
        uint256 idx
    ) internal pure returns (uint32 ret) {
        require(idx + 4 <= self.length);
        assembly {
            ret := and(mload(add(add(self, 4), idx)), 0xFFFFFFFF)
        }
    }

    /*
     * @dev Returns the 32 byte value at the specified index of self.
     * @param self The byte string.
     * @param idx The index into the bytes
     * @return The specified 32 bytes of the string.
     */
    function readBytes32(
        bytes memory self,
        uint256 idx
    ) internal pure returns (bytes32 ret) {
        require(idx + 32 <= self.length);
        assembly {
            ret := mload(add(add(self, 32), idx))
        }
    }

    /*
     * @dev Returns the 32 byte value at the specified index of self.
     * @param self The byte string.
     * @param idx The index into the bytes
     * @return The specified 32 bytes of the string.
     */
    function readBytes20(
        bytes memory self,
        uint256 idx
    ) internal pure returns (bytes20 ret) {
        require(idx + 20 <= self.length);
        assembly {
            ret := and(
                mload(add(add(self, 32), idx)),
                0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000000
            )
        }
    }

    /*
     * @dev Returns the n byte value at the specified index of self.
     * @param self The byte string.
     * @param idx The index into the bytes.
     * @param len The number of bytes.
     * @return The specified 32 bytes of the string.
     */
    function readBytesN(
        bytes memory self,
        uint256 idx,
        uint256 len
    ) internal pure returns (bytes32 ret) {
        require(len <= 32);
        require(idx + len <= self.length);
        assembly {
            let mask := not(sub(exp(256, sub(32, len)), 1))
            ret := and(mload(add(add(self, 32), idx)), mask)
        }
    }

    function memcpy(uint256 dest, uint256 src, uint256 len) private pure {
        // Copy word-length chunks while possible
        for (; len >= 32; len -= 32) {
            assembly {
                mstore(dest, mload(src))
            }
            dest += 32;
            src += 32;
        }

        // Copy remaining bytes
        unchecked {
            uint256 mask = (256 ** (32 - len)) - 1;
            assembly {
                let srcpart := and(mload(src), not(mask))
                let destpart := and(mload(dest), mask)
                mstore(dest, or(destpart, srcpart))
            }
        }
    }

    /*
     * @dev Copies a substring into a new byte string.
     * @param self The byte string to copy from.
     * @param offset The offset to start copying at.
     * @param len The number of bytes to copy.
     */
    function substring(
        bytes memory self,
        uint256 offset,
        uint256 len
    ) internal pure returns (bytes memory) {
        require(offset + len <= self.length);

        bytes memory ret = new bytes(len);
        uint256 dest;
        uint256 src;

        assembly {
            dest := add(ret, 32)
            src := add(add(self, 32), offset)
        }
        memcpy(dest, src, len);

        return ret;
    }

    // Maps characters from 0x30 to 0x7A to their base32 values.
    // 0xFF represents invalid characters in that range.
    bytes constant base32HexTable =
        hex"00010203040506070809FFFFFFFFFFFFFF0A0B0C0D0E0F101112131415161718191A1B1C1D1E1FFFFFFFFFFFFFFFFFFFFF0A0B0C0D0E0F101112131415161718191A1B1C1D1E1F";

    /**
     * @dev Decodes unpadded base32 data of up to one word in length.
     * @param self The data to decode.
     * @param off Offset into the string to start at.
     * @param len Number of characters to decode.
     * @return The decoded data, left aligned.
     */
    function base32HexDecodeWord(
        bytes memory self,
        uint256 off,
        uint256 len
    ) internal pure returns (bytes32) {
        require(len <= 52);

        uint256 ret = 0;
        uint8 decoded;
        for (uint256 i = 0; i < len; i++) {
            bytes1 char = self[off + i];
            require(char >= 0x30 && char <= 0x7A);
            decoded = uint8(base32HexTable[uint256(uint8(char)) - 0x30]);
            require(decoded <= 0x20);
            if (i == len - 1) {
                break;
            }
            ret = (ret << 5) | decoded;
        }

        uint256 bitlen = len * 5;
        if (len % 8 == 0) {
            // Multiple of 8 characters, no padding
            ret = (ret << 5) | decoded;
        } else if (len % 8 == 2) {
            // Two extra characters - 1 byte
            ret = (ret << 3) | (decoded >> 2);
            bitlen -= 2;
        } else if (len % 8 == 4) {
            // Four extra characters - 2 bytes
            ret = (ret << 1) | (decoded >> 4);
            bitlen -= 4;
        } else if (len % 8 == 5) {
            // Five extra characters - 3 bytes
            ret = (ret << 4) | (decoded >> 1);
            bitlen -= 1;
        } else if (len % 8 == 7) {
            // Seven extra characters - 4 bytes
            ret = (ret << 2) | (decoded >> 3);
            bitlen -= 3;
        } else {
            revert();
        }

        return bytes32(ret << (256 - bitlen));
    }

    /**
     * @dev Finds the first occurrence of the byte `needle` in `self`.
     * @param self The string to search
     * @param off The offset to start searching at
     * @param len The number of bytes to search
     * @param needle The byte to search for
     * @return The offset of `needle` in `self`, or 2**256-1 if it was not found.
     */
    function find(
        bytes memory self,
        uint256 off,
        uint256 len,
        bytes1 needle
    ) internal pure returns (uint256) {
        for (uint256 idx = off; idx < off + len; idx++) {
            if (self[idx] == needle) {
                return idx;
            }
        }
        return type(uint256).max;
    }
}

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

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

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

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

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

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

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

    /**
     * @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;
}

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);
}

File 5 of 23 : IAddressResolver.sol
// 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 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 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);
}

File 8 of 23 : IExtendedResolver.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

interface IExtendedResolver {
    function resolve(
        bytes memory name,
        bytes memory data
    ) external view returns (bytes memory);
}

File 9 of 23 : ITextResolver.sol
// 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);
}

File 10 of 23 : IMetadataService.sol
//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;

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);
}

File 12 of 23 : INameWrapperUpgrade.sol
//SPDX-License-Identifier: MIT
pragma solidity ~0.8.17;

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

// 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
// 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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

File 18 of 23 : IAddrSetter.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.25;

interface IAddrSetter {
    function setAddr(
        bytes calldata name,
        address _addr
    ) external view returns (bytes memory result);
}

File 19 of 23 : IMetadataResolver.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.25;

interface IMetadataResolver {
    /*
     * @notice Get metadata about the CCIP Resolver ENSIP 16 https://docs.ens.domains/ens-improvement-proposals/ensip-16-offchain-metadata
     * @dev This function provides metadata about the CCIP Resolver, including its name, coin type, GraphQL URL, storage type, and encoded information.
     * @param name The domain name in format (dnsEncoded)
     * @return graphqlUrl The GraphQL URL used by the resolver
     *
     */
    function metadata(
        bytes calldata name
    ) external view returns (string memory graphqlUrl);

    event MetadataChanged(bytes name, string graphqlUrl);
}

File 20 of 23 : ITargetResolver.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.25;

interface ITargetResolver {
    function getTarget(
        bytes memory name
    ) external view returns (bytes32 node, address target);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.25;

import {IEVMVerifier} from "./IEVMVerifier.sol";
import {EVMFetchTarget} from "./EVMFetchTarget.sol";
import {Address} from "@openzeppelin/contracts/utils/Address.sol";

interface IEVMGateway {
    function getStorageSlots(
        address addr,
        bytes32[] memory commands,
        bytes[] memory constants
    ) external pure returns (bytes memory witness);
}

uint8 constant FLAG_DYNAMIC = 0x01;
uint8 constant OP_CONSTANT = 0x00;
uint8 constant OP_BACKREF = 0x20;
uint8 constant OP_END = 0xff;

/**
 * @dev A library to facilitate requesting storage data proofs from contracts, possibly on a different chain.
 *      See l1-verifier/test/TestL1.sol for example usage.
 */
library EVMFetcher {
    uint256 constant MAX_COMMANDS = 32;
    uint256 constant MAX_CONSTANTS = 32; // Must not be greater than 32

    using Address for address;

    error TooManyCommands(uint256 max);
    error CommandTooLong();
    error InvalidReference(uint256 value, uint256 max);
    error OffchainLookup(
        address sender,
        string[] urls,
        bytes callData,
        bytes4 callbackFunction,
        bytes extraData
    );

    struct EVMFetchRequest {
        IEVMVerifier verifier;
        address target;
        bytes32[] commands;
        uint256 operationIdx;
        bytes[] constants;
    }

    /**
     * @dev Creates a request to fetch the value of multiple storage slots from a contract via CCIP-Read, possibly from
     *      another chain.
     *      Supports dynamic length values and slot numbers derived from other retrieved values.
     * @param verifier An instance of a verifier contract that can provide and verify the storage slot information.
     * @param target The address of the contract to fetch storage proofs for.
     */
    function newFetchRequest(
        IEVMVerifier verifier,
        address target
    ) internal pure returns (EVMFetchRequest memory) {
        bytes32[] memory commands = new bytes32[](MAX_COMMANDS);
        bytes[] memory constants = new bytes[](MAX_CONSTANTS);
        assembly {
            mstore(commands, 0) // Set current array length to 0
            mstore(constants, 0)
        }
        return EVMFetchRequest(verifier, target, commands, 0, constants);
    }

    /**
     * @dev Starts describing a new fetch request.
     *      Paths specify a series of hashing operations to derive the final slot ID.
     *      See https://docs.soliditylang.org/en/v0.8.17/internals/layout_in_storage.html for details on how Solidity
     *      lays out storage variables.
     * @param request The request object being operated on.
     * @param baseSlot The base slot ID that forms the root of the path.
     */
    function getStatic(
        EVMFetchRequest memory request,
        uint256 baseSlot
    ) internal pure returns (EVMFetchRequest memory) {
        bytes32[] memory commands = request.commands;
        uint256 commandIdx = commands.length;
        if (commandIdx > 0 && request.operationIdx < 32) {
            // Terminate previous command
            _addOperation(request, OP_END);
        }
        assembly {
            mstore(commands, add(commandIdx, 1)) // Increment command array length
        }
        if (request.commands.length > MAX_COMMANDS) {
            revert TooManyCommands(MAX_COMMANDS);
        }
        request.operationIdx = 0;
        _addOperation(request, 0);
        _addOperation(request, _addConstant(request, abi.encode(baseSlot)));
        return request;
    }

    /**
     * @dev Starts describing a new fetch request.
     *      Paths specify a series of hashing operations to derive the final slot ID.
     *      See https://docs.soliditylang.org/en/v0.8.17/internals/layout_in_storage.html for details on how Solidity
     *      lays out storage variables.
     * @param request The request object being operated on.
     * @param baseSlot The base slot ID that forms the root of the path.
     */
    function getDynamic(
        EVMFetchRequest memory request,
        uint256 baseSlot
    ) internal pure returns (EVMFetchRequest memory) {
        bytes32[] memory commands = request.commands;
        uint256 commandIdx = commands.length;
        if (commandIdx > 0 && request.operationIdx < 32) {
            // Terminate previous command
            _addOperation(request, OP_END);
        }
        assembly {
            mstore(commands, add(commandIdx, 1)) // Increment command array length
        }
        if (request.commands.length > MAX_COMMANDS) {
            revert TooManyCommands(MAX_COMMANDS);
        }
        request.operationIdx = 0;
        _addOperation(request, FLAG_DYNAMIC);
        _addOperation(request, _addConstant(request, abi.encode(baseSlot)));
        return request;
    }

    /**
     * @dev Adds a `uint256` element to the current path.
     * @param request The request object being operated on.
     * @param el The element to add.
     */
    function element(
        EVMFetchRequest memory request,
        uint256 el
    ) internal pure returns (EVMFetchRequest memory) {
        if (request.operationIdx >= 32) {
            revert CommandTooLong();
        }
        _addOperation(request, _addConstant(request, abi.encode(el)));
        return request;
    }

    /**
     * @dev Adds a `bytes32` element to the current path.
     * @param request The request object being operated on.
     * @param el The element to add.
     */
    function element(
        EVMFetchRequest memory request,
        bytes32 el
    ) internal pure returns (EVMFetchRequest memory) {
        if (request.operationIdx >= 32) {
            revert CommandTooLong();
        }
        _addOperation(request, _addConstant(request, abi.encode(el)));
        return request;
    }

    /**
     * @dev Adds an `address` element to the current path.
     * @param request The request object being operated on.
     * @param el The element to add.
     */
    function element(
        EVMFetchRequest memory request,
        address el
    ) internal pure returns (EVMFetchRequest memory) {
        if (request.operationIdx >= 32) {
            revert CommandTooLong();
        }
        _addOperation(request, _addConstant(request, abi.encode(el)));
        return request;
    }

    /**
     * @dev Adds a `bytes` element to the current path.
     * @param request The request object being operated on.
     * @param el The element to add.
     */
    function element(
        EVMFetchRequest memory request,
        bytes memory el
    ) internal pure returns (EVMFetchRequest memory) {
        if (request.operationIdx >= 32) {
            revert CommandTooLong();
        }
        _addOperation(request, _addConstant(request, el));
        return request;
    }

    /**
     * @dev Adds a `string` element to the current path.
     * @param request The request object being operated on.
     * @param el The element to add.
     */
    function element(
        EVMFetchRequest memory request,
        string memory el
    ) internal pure returns (EVMFetchRequest memory) {
        if (request.operationIdx >= 32) {
            revert CommandTooLong();
        }
        _addOperation(request, _addConstant(request, bytes(el)));
        return request;
    }

    /**
     * @dev Adds a reference to a previous fetch to the current path.
     * @param request The request object being operated on.
     * @param idx The index of the previous fetch request, starting at 0.
     */
    function ref(
        EVMFetchRequest memory request,
        uint8 idx
    ) internal pure returns (EVMFetchRequest memory) {
        if (request.operationIdx >= 32) {
            revert CommandTooLong();
        }
        if (idx > request.commands.length || idx > 31) {
            revert InvalidReference(idx, request.commands.length);
        }
        _addOperation(request, OP_BACKREF | idx);
        return request;
    }

    /**
     * @dev Initiates the fetch request.
     *      Calling this function terminates execution; clients that implement CCIP-Read will make a callback to
     *      `callback` with the results of the operation.
     * @param callbackId A callback function selector on this contract that will be invoked via CCIP-Read with the result of the lookup.
     *        The function must have a signature matching `(bytes[] memory values, bytes callbackData)` with a return type matching the call in which
     *        this function was invoked. Its return data will be returned as the return value of the entire CCIP-read operation.
     * @param callbackData Extra data to supply to the callback.
     */
    function fetch(
        EVMFetchRequest memory request,
        bytes4 callbackId,
        bytes memory callbackData
    ) internal view {
        if (request.commands.length > 0 && request.operationIdx < 32) {
            // Terminate last command
            _addOperation(request, OP_END);
        }

        revert OffchainLookup(
            address(this),
            request.verifier.gatewayURLs(),
            abi.encodeCall(
                IEVMGateway.getStorageSlots,
                (request.target, request.commands, request.constants)
            ),
            EVMFetchTarget.getStorageSlotsCallback.selector,
            abi.encode(
                request.verifier,
                request.target,
                request.commands,
                request.constants,
                callbackId,
                callbackData
            )
        );
    }

    function _addConstant(
        EVMFetchRequest memory request,
        bytes memory value
    ) private pure returns (uint8 idx) {
        bytes[] memory constants = request.constants;
        idx = uint8(constants.length);
        assembly {
            mstore(constants, add(idx, 1)) // Increment constant array length
        }
        constants[idx] = value;
    }

    function _addOperation(
        EVMFetchRequest memory request,
        uint8 op
    ) private pure {
        uint256 commandIdx = request.commands.length - 1;
        request.commands[commandIdx] =
            request.commands[commandIdx] |
            (bytes32(bytes1(op)) >> (8 * request.operationIdx++));
    }
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.25;

import {IEVMVerifier} from "./IEVMVerifier.sol";
import {Address} from "@openzeppelin/contracts/utils/Address.sol";

/**
 * @dev Callback implementation for users of `EVMFetcher`. If you use `EVMFetcher`, your contract must
 *      inherit from this contract in order to handle callbacks correctly.
 */
abstract contract EVMFetchTarget {
    using Address for address;

    error ResponseLengthMismatch(uint256 actual, uint256 expected);

    /**
     * @dev Internal callback function invoked by CCIP-Read in response to a `getStorageSlots` request.
     */
    function getStorageSlotsCallback(
        bytes calldata response,
        bytes calldata extradata
    ) external returns (bytes memory) {
        bytes memory proof = abi.decode(response, (bytes));
        (
            IEVMVerifier verifier,
            address addr,
            bytes32[] memory commands,
            bytes[] memory constants,
            bytes4 callback,
            bytes memory callbackData
        ) = abi.decode(
                extradata,
                (IEVMVerifier, address, bytes32[], bytes[], bytes4, bytes)
            );

        bytes[] memory values = verifier.getStorageValues(
            addr,
            commands,
            constants,
            proof,
            getAcceptedL2BlockRangeLength()
        );
        if (values.length != commands.length) {
            revert ResponseLengthMismatch(values.length, commands.length);
        }
        bytes memory ret = address(this).functionCall(
            abi.encodeWithSelector(callback, values, callbackData)
        );
        assembly {
            return(add(ret, 32), mload(ret))
        }
    }

    /**
     * @dev The child contract has to return an accepted L2 block range used by the verifier
     *      to verify that the block number verified is in the accepted block range.
     */
    function getAcceptedL2BlockRangeLength()
        public
        view
        virtual
        returns (uint256);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.25;

interface IEVMVerifier {
    function gatewayURLs() external view returns (string[] memory);

    function getStorageValues(
        address target,
        bytes32[] memory commands,
        bytes[] memory constants,
        bytes memory proof,
        uint256 acceptedL2BlockRangeLength
    ) external view returns (bytes[] memory values);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "viaIR": true,
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

API
[{"inputs":[{"internalType":"contract IEVMVerifier","name":"_verifier","type":"address"},{"internalType":"contract ENS","name":"_ens","type":"address"},{"internalType":"contract INameWrapper","name":"_nameWrapper","type":"address"},{"internalType":"string","name":"_graphqlUrl","type":"string"},{"internalType":"uint256","name":"_l2ChainId","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"CommandTooLong","type":"error"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"max","type":"uint256"}],"name":"InvalidReference","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"string[]","name":"urls","type":"string[]"},{"internalType":"bytes","name":"callData","type":"bytes"},{"internalType":"bytes4","name":"callbackFunction","type":"bytes4"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"name":"OffchainLookup","type":"error"},{"inputs":[{"internalType":"uint256","name":"actual","type":"uint256"},{"internalType":"uint256","name":"expected","type":"uint256"}],"name":"ResponseLengthMismatch","type":"error"},{"inputs":[{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"address","name":"contractAddress","type":"address"}],"name":"StorageHandledByL2","type":"error"},{"inputs":[{"internalType":"uint256","name":"max","type":"uint256"}],"name":"TooManyCommands","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"name","type":"bytes"},{"indexed":false,"internalType":"string","name":"graphqlUrl","type":"string"}],"name":"MetadataChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"name","type":"bytes"},{"indexed":false,"internalType":"address","name":"target","type":"address"}],"name":"TargetSet","type":"event"},{"inputs":[{"internalType":"bytes[]","name":"values","type":"bytes[]"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"addrCallback","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"values","type":"bytes[]"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"addrCoinTypeCallback","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"values","type":"bytes[]"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"contenthashCallback","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"ens","outputs":[{"internalType":"contract ENS","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAcceptedL2BlockRangeLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bytes","name":"response","type":"bytes"},{"internalType":"bytes","name":"extradata","type":"bytes"}],"name":"getStorageSlotsCallback","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"name","type":"bytes"}],"name":"getTarget","outputs":[{"internalType":"bytes32","name":"node","type":"bytes32"},{"internalType":"address","name":"target","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"graphqlUrl","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2ChainId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"name","type":"bytes"}],"name":"metadata","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nameWrapper","outputs":[{"internalType":"contract INameWrapper","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"name","type":"bytes"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"resolve","outputs":[{"internalType":"bytes","name":"result","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"name","type":"bytes"},{"internalType":"address","name":"_addr","type":"address"}],"name":"setAddr","outputs":[{"internalType":"bytes","name":"result","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"name","type":"bytes"},{"internalType":"address","name":"target","type":"address"}],"name":"setTarget","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":"bytes[]","name":"values","type":"bytes[]"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"textCallback","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"verifier","outputs":[{"internalType":"contract IEVMVerifier","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

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

-----Decoded View---------------
Arg [0] : _verifier (address): 0x2aD1A39a3b616FB11ac5DB290061A0A5C09771f3
Arg [1] : _ens (address): 0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e
Arg [2] : _nameWrapper (address): 0xD4416b13d2b3a9aBae7AcD5D6C2BbDBE25686401
Arg [3] : _graphqlUrl (string): https://api.studio.thegraph.com/query/69290/ens-linea-mainnet/version/latest
Arg [4] : _l2ChainId (uint256): 59144

-----Encoded View---------------
9 Constructor Arguments found :
Arg [0] : 0000000000000000000000002ad1a39a3b616fb11ac5db290061a0a5c09771f3
Arg [1] : 00000000000000000000000000000000000c2e074ec69a0dfb2997ba6c7d2e1e
Arg [2] : 000000000000000000000000d4416b13d2b3a9abae7acd5d6c2bbdbe25686401
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [4] : 000000000000000000000000000000000000000000000000000000000000e708
Arg [5] : 000000000000000000000000000000000000000000000000000000000000004c
Arg [6] : 68747470733a2f2f6170692e73747564696f2e74686567726170682e636f6d2f
Arg [7] : 71756572792f36393239302f656e732d6c696e65612d6d61696e6e65742f7665
Arg [8] : 7273696f6e2f6c61746573740000000000000000000000000000000000000000


Block Uncle Number Difficulty Gas Used Reward
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.