Contract 0x608964f5a70a287c8f9f7dab0dcd0d32d1ff92ce 10

pragma solidity >=0.8.4;

import "./FNS.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "../root/Controllable.sol";

abstract contract NameResolver {
    function setName(bytes32 node, string memory name) public virtual;
}

bytes32 constant lookup = 0x3031323334353637383961626364656600000000000000000000000000000000;

bytes32 constant ADDR_REVERSE_NODE = 0x91d1777781884d03a6757a803996e38de2a42967fb37eeaca72729271025a9e2;

// namehash('addr.reverse')

contract ReverseRegistrar is Ownable, Controllable {
    FNS public fns;
    NameResolver public defaultResolver;

    event ReverseClaimed(address indexed addr, bytes32 indexed node);

    /**
     * @dev Constructor
     * @param fnsAddr The address of the FNS registry.
     * @param resolverAddr The address of the default reverse resolver.
     */
    constructor(FNS fnsAddr, NameResolver resolverAddr) {
        fns = fnsAddr;
        defaultResolver = resolverAddr;

        // Assign ownership of the reverse record to our deployer
        ReverseRegistrar oldRegistrar = ReverseRegistrar(
            fns.owner(ADDR_REVERSE_NODE)
        );
        if (address(oldRegistrar) != address(0x0)) {
            oldRegistrar.claim(msg.sender);
        }
    }

    modifier authorised(address addr) {
        require(
            addr == msg.sender ||
                controllers[msg.sender] ||
                fns.isApprovedForAll(addr, msg.sender) ||
                ownsContract(addr),
            "Caller is not a controller or authorised by address or the address itself"
        );
        _;
    }

    /**
     * @dev Transfers ownership of the reverse FNS record associated with the
     *      calling account.
     * @param owner The address to set as the owner of the reverse record in FNS.
     * @return The FNS node hash of the reverse record.
     */
    function claim(address owner) public returns (bytes32) {
        return _claimWithResolver(msg.sender, owner, address(0x0));
    }

    /**
     * @dev Transfers ownership of the reverse FNS record associated with the
     *      calling account.
     * @param addr The reverse record to set
     * @param owner The address to set as the owner of the reverse record in FNS.
     * @return The FNS node hash of the reverse record.
     */
    function claimForAddr(address addr, address owner)
        public
        authorised(addr)
        returns (bytes32)
    {
        return _claimWithResolver(addr, owner, address(0x0));
    }

    /**
     * @dev Transfers ownership of the reverse FNS record associated with the
     *      calling account.
     * @param owner The address to set as the owner of the reverse record in FNS.
     * @param resolver The address of the resolver to set; 0 to leave unchanged.
     * @return The FNS node hash of the reverse record.
     */
    function claimWithResolver(address owner, address resolver)
        public
        returns (bytes32)
    {
        return _claimWithResolver(msg.sender, owner, resolver);
    }

    /**
     * @dev Transfers ownership of the reverse FNS record specified with the
     *      address provided
     * @param addr The reverse record to set
     * @param owner The address to set as the owner of the reverse record in FNS.
     * @param resolver The address of the resolver to set; 0 to leave unchanged.
     * @return The FNS node hash of the reverse record.
     */
    function claimWithResolverForAddr(
        address addr,
        address owner,
        address resolver
    ) public authorised(addr) returns (bytes32) {
        return _claimWithResolver(addr, owner, resolver);
    }

    /**
     * @dev Sets the `name()` record for the reverse FNS record associated with
     * the calling account. First updates the resolver to the default reverse
     * resolver if necessary.
     * @param name The name to set for this address.
     * @return The FNS node hash of the reverse record.
     */
    function setName(string memory name) public returns (bytes32) {
        bytes32 node = _claimWithResolver(
            msg.sender,
            address(this),
            address(defaultResolver)
        );
        defaultResolver.setName(node, name);
        return node;
    }

    /**
     * @dev Sets the `name()` record for the reverse FNS record associated with
     * the account provided. First updates the resolver to the default reverse
     * resolver if necessary.
     * Only callable by controllers and authorised users
     * @param addr The reverse record to set
     * @param owner The owner of the reverse node
     * @param name The name to set for this address.
     * @return The FNS node hash of the reverse record.
     */
    function setNameForAddr(
        address addr,
        address owner,
        string memory name
    ) public authorised(addr) returns (bytes32) {
        bytes32 node = _claimWithResolver(
            addr,
            address(this),
            address(defaultResolver)
        );
        defaultResolver.setName(node, name);
        fns.setSubnodeOwner(ADDR_REVERSE_NODE, sha3HexAddress(addr), owner);
        return node;
    }

    /**
     * @dev Returns the node hash for a given account's reverse records.
     * @param addr The address to hash
     * @return The FNS node hash.
     */
    function node(address addr) public pure returns (bytes32) {
        return
            keccak256(
                abi.encodePacked(ADDR_REVERSE_NODE, sha3HexAddress(addr))
            );
    }

    /**
     * @dev An optimised function to compute the sha3 of the lower-case
     *      hexadecimal representation of an Ethereum address.
     * @param addr The address to hash
     * @return ret The SHA3 hash of the lower-case hexadecimal encoding of the
     *         input address.
     */
    function sha3HexAddress(address addr) private pure returns (bytes32 ret) {
        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)
            }

            ret := keccak256(0, 40)
        }
    }

    /* Internal functions */

    function _claimWithResolver(
        address addr,
        address owner,
        address resolver
    ) internal returns (bytes32) {
        bytes32 label = sha3HexAddress(addr);
        bytes32 node = keccak256(abi.encodePacked(ADDR_REVERSE_NODE, label));
        address currentResolver = fns.resolver(node);
        bool shouldUpdateResolver = (resolver != address(0x0) &&
            resolver != currentResolver);
        address newResolver = shouldUpdateResolver ? resolver : currentResolver;

        fns.setSubnodeRecord(ADDR_REVERSE_NODE, label, owner, newResolver, 0);

        emit ReverseClaimed(addr, node);

        return node;
    }

    function ownsContract(address addr) internal view returns (bool) {
        try Ownable(addr).owner() returns (address owner) {
            return owner == msg.sender;
        } catch {
            return false;
        }
    }
}

pragma solidity >=0.8.4;

interface FNS {

    // 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 virtual;
    function setSubnodeRecord(bytes32 node, bytes32 label, address owner, address resolver, uint64 ttl) external virtual;
    function setSubnodeOwner(bytes32 node, bytes32 label, address owner) external virtual returns(bytes32);
    function setResolver(bytes32 node, address resolver) external virtual;
    function setOwner(bytes32 node, address owner) external virtual;
    function setTTL(bytes32 node, uint64 ttl) external virtual;
    function setApprovalForAll(address operator, bool approved) external virtual;
    function owner(bytes32 node) external virtual view returns (address);
    function resolver(bytes32 node) external virtual view returns (address);
    function ttl(bytes32 node) external virtual view returns (uint64);
    function recordExists(bytes32 node) external virtual view returns (bool);
    function isApprovedForAll(address owner, address operator) external virtual view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

pragma solidity ^0.8.4;

import "@openzeppelin/contracts/access/Ownable.sol";

contract Controllable is Ownable {
    mapping(address => bool) public controllers;

    event ControllerChanged(address indexed controller, bool enabled);

    modifier onlyController {
        require(
            controllers[msg.sender],
            "Controllable: Caller is not a controller"
        );
        _;
    }

    function setController(address controller, bool enabled) public onlyOwner {
        controllers[controller] = enabled;
        emit ControllerChanged(controller, enabled);
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract FNS","name":"fnsAddr","type":"address"},{"internalType":"contract NameResolver","name":"resolverAddr","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"controller","type":"address"},{"indexed":false,"internalType":"bool","name":"enabled","type":"bool"}],"name":"ControllerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"addr","type":"address"},{"indexed":true,"internalType":"bytes32","name":"node","type":"bytes32"}],"name":"ReverseClaimed","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"claim","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"address","name":"owner","type":"address"}],"name":"claimForAddr","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"resolver","type":"address"}],"name":"claimWithResolver","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"resolver","type":"address"}],"name":"claimWithResolverForAddr","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"controllers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"defaultResolver","outputs":[{"internalType":"contract NameResolver","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"fns","outputs":[{"internalType":"contract FNS","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"node","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"},{"internalType":"bool","name":"enabled","type":"bool"}],"name":"setController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"name","type":"string"}],"name":"setName","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"address","name":"owner","type":"address"},{"internalType":"string","name":"name","type":"string"}],"name":"setNameForAddr","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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000000000000000000000000a6770e2036fea13045aec56bef7e85f45938e42800000000000000000000000045a52764c741c8deb51cd3c864652bb25eab95ed

-----Decoded View---------------
Arg [0] : fnsAddr (address): 0xa6770e2036fea13045aec56bef7e85f45938e428
Arg [1] : resolverAddr (address): 0x45a52764c741c8deb51cd3c864652bb25eab95ed

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000a6770e2036fea13045aec56bef7e85f45938e428
Arg [1] : 00000000000000000000000045a52764c741c8deb51cd3c864652bb25eab95ed