ETH Price: $2,946.82 (+1.06%)
Gas: 26 Gwei

Contract

0x457eFd33Def0bFF2dfe33089D385898D919d3a10
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00
Transaction Hash
Method
Block
From
To
Value
Set Approval For...192636342024-02-19 18:43:591 day 14 hrs ago1708368239IN
0x457eFd...919d3a10
0 ETH0.001506432.65132924
Set Approval For...192020622024-02-11 3:09:5910 days 5 hrs ago1707620999IN
0x457eFd...919d3a10
0 ETH0.0004360318
Set Approval For...191032272024-01-28 6:23:4724 days 2 hrs ago1706423027IN
0x457eFd...919d3a10
0 ETH0.0004643310.06442916
Set Approval For...190991942024-01-27 16:45:2324 days 16 hrs ago1706373923IN
0x457eFd...919d3a10
0 ETH0.0007359115.95088975
Set Approval For...190985702024-01-27 14:39:5924 days 18 hrs ago1706366399IN
0x457eFd...919d3a10
0 ETH0.0007315615.82793646
Set Approval For...190747042024-01-24 6:26:4728 days 2 hrs ago1706077607IN
0x457eFd...919d3a10
0 ETH0.000422159.15015745
Set Approval For...190595962024-01-22 3:25:3530 days 5 hrs ago1705893935IN
0x457eFd...919d3a10
0 ETH0.0002857311.79547699
Set Approval For...190533342024-01-21 6:05:3531 days 2 hrs ago1705817135IN
0x457eFd...919d3a10
0 ETH0.000392158.5
Safe Transfer Fr...190223182024-01-16 22:04:5935 days 10 hrs ago1705442699IN
0x457eFd...919d3a10
0 ETH0.0021518834.19216535
Set Approval For...189983582024-01-13 13:45:5938 days 19 hrs ago1705153559IN
0x457eFd...919d3a10
0 ETH0.0008102217.56168041
Set Approval For...189698532024-01-09 13:58:2342 days 18 hrs ago1704808703IN
0x457eFd...919d3a10
0 ETH0.0008536118.50224156
Set Approval For...189261832024-01-03 10:16:3548 days 22 hrs ago1704276995IN
0x457eFd...919d3a10
0 ETH0.0009517520.59176211
Set Approval For...189195762024-01-02 12:03:4749 days 20 hrs ago1704197027IN
0x457eFd...919d3a10
0 ETH0.0007485516.22501054
Set Approval For...189168472024-01-02 2:51:2350 days 6 hrs ago1704163883IN
0x457eFd...919d3a10
0 ETH0.0007033715.24564005
Set Approval For...188751922023-12-27 6:23:3556 days 2 hrs ago1703658215IN
0x457eFd...919d3a10
0 ETH0.0010875323.52962571
Set Approval For...188607822023-12-25 5:49:4758 days 3 hrs ago1703483387IN
0x457eFd...919d3a10
0 ETH0.0003090112.71237985
Set Approval For...188607822023-12-25 5:49:4758 days 3 hrs ago1703483387IN
0x457eFd...919d3a10
0 ETH0.0003079412.71237985
Set Approval For...188607812023-12-25 5:49:3558 days 3 hrs ago1703483375IN
0x457eFd...919d3a10
0 ETH0.0002883511.86835976
Set Approval For...188337232023-12-21 10:44:2361 days 22 hrs ago1703155463IN
0x457eFd...919d3a10
0 ETH0.0016878936.51861647
Set Approval For...188337232023-12-21 10:44:2361 days 22 hrs ago1703155463IN
0x457eFd...919d3a10
0 ETH0.000958136.51861647
Set Approval For...188337232023-12-21 10:44:2361 days 22 hrs ago1703155463IN
0x457eFd...919d3a10
0 ETH0.0016848236.51861647
Set Approval For...188138962023-12-18 15:55:2364 days 16 hrs ago1702914923IN
0x457eFd...919d3a10
0 ETH0.0018736977.08126916
Set Approval For...187985082023-12-16 12:04:1166 days 20 hrs ago1702728251IN
0x457eFd...919d3a10
0 ETH0.0014911732.32119895
Set Approval For...187985072023-12-16 12:03:5966 days 20 hrs ago1702728239IN
0x457eFd...919d3a10
0 ETH0.001546133.45102422
Set Approval For...187700872023-12-12 12:24:4770 days 20 hrs ago1702383887IN
0x457eFd...919d3a10
0 ETH0.0019701242.62501832
View all transactions

View more zero value Internal Transactions in Advanced View mode

Advanced mode:
Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
BaseRegistrarImplementation

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 500 runs

Other Settings:
default evmVersion
File 1 of 13 : BaseRegistrarImplementation.sol
pragma solidity >=0.8.4;

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

import "./BaseRegistrar.sol";

contract BaseRegistrarImplementation is ERC721, BaseRegistrar {
    // A map of expiry times
    mapping(uint256 => uint256) expiries;

    // baseURI
    string public baseTokenURI;

    bytes4 private constant INTERFACE_META_ID =
        bytes4(keccak256("supportsInterface(bytes4)"));
    bytes4 private constant ERC721_ID =
        bytes4(
            keccak256("balanceOf(address)") ^
                keccak256("ownerOf(uint256)") ^
                keccak256("approve(address,uint256)") ^
                keccak256("getApproved(uint256)") ^
                keccak256("setApprovalForAll(address,bool)") ^
                keccak256("isApprovedForAll(address,address)") ^
                keccak256("transferFrom(address,address,uint256)") ^
                keccak256("safeTransferFrom(address,address,uint256)") ^
                keccak256("safeTransferFrom(address,address,uint256,bytes)") ^
                keccak256("tokenURI(uint256)")
        );
    bytes4 private constant RECLAIM_ID =
        bytes4(keccak256("reclaim(uint256,address)"));

    /**
     * v2.1.3 version of _isApprovedOrOwner which calls ownerOf(tokenId) and takes grace period into consideration instead of ERC721.ownerOf(tokenId);
     * https://github.com/OpenZeppelin/openzeppelin-contracts/blob/v2.1.3/contracts/token/ERC721/ERC721.sol#L187
     * @dev Returns whether the given spender can transfer a given token ID
     * @param spender address of the spender to query
     * @param tokenId uint256 ID of the token to be transferred
     * @return bool whether the msg.sender is approved for the given token ID,
     *    is an operator of the owner, or is the owner of the token
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId)
        internal
        view
        override
        returns (bool)
    {
        address owner = ownerOf(tokenId);
        return (spender == owner ||
            getApproved(tokenId) == spender ||
            isApprovedForAll(owner, spender));
    }

    constructor(BNS _bns, bytes32 _baseNode) ERC721("", "") {
        bns = _bns;
        baseNode = _baseNode;
        baseTokenURI = "";
    }

    modifier live() {
        require(bns.owner(baseNode) == address(this));
        _;
    }

    modifier onlyController() {
        require(controllers[msg.sender]);
        _;
    }

    /**
     * @dev Gets the owner of the specified token ID. Names become unowned
     *      when their registration expiries.
     * @param tokenId uint256 ID of the token to query the owner of
     * @return address currently marked as the owner of the given token ID
     */
    function ownerOf(uint256 tokenId)
        public
        view
        override(IERC721, ERC721)
        returns (address)
    {
        require(expiries[tokenId] > block.timestamp);
        return super.ownerOf(tokenId);
    }

    // Authorises a controller, who can register and renew domains.
    function addController(address controller) external override onlyOwner {
        controllers[controller] = true;
        emit ControllerAdded(controller);
    }

    // Revoke controller permission for an address.
    function removeController(address controller) external override onlyOwner {
        controllers[controller] = false;
        emit ControllerRemoved(controller);
    }

    // setBaseURI
    function setBaseTokenURI(string memory _baseTokenURI) external onlyOwner {
        baseTokenURI = _baseTokenURI;
    }

    function _baseURI()
        internal
        view
        virtual
        override(ERC721)
        returns (string memory)
    {
        return baseTokenURI;
    }

    // Set the resolver for the TLD this registrar manages.
    function setResolver(address resolver) external override onlyOwner {
        bns.setResolver(baseNode, resolver);
    }

    // Returns the expiration timestamp of the specified id.
    function nameExpires(uint256 id) external view override returns (uint256) {
        return expiries[id];
    }

    // Returns true iff the specified name is available for registration.
    function available(uint256 id) public view override returns (bool) {
        // Not available if it's registered here or in its grace period.
        return expiries[id] < block.timestamp;
    }

    /**
     * @dev Register a name.
     * @param id The token ID (keccak256 of the label).
     * @param owner The address that should own the registration.
     * @param duration Duration in seconds for the registration.
     */
    function register(
        uint256 id,
        address owner,
        uint256 duration
    ) external override returns (uint256) {
        return _register(id, owner, duration, true);
    }

    /**
     * @dev Register a name, without modifying the registry.
     * @param id The token ID (keccak256 of the label).
     * @param owner The address that should own the registration.
     * @param duration Duration in seconds for the registration.
     */
    function registerOnly(
        uint256 id,
        address owner,
        uint256 duration
    ) external returns (uint256) {
        return _register(id, owner, duration, false);
    }

    function _register(
        uint256 id,
        address owner,
        uint256 duration,
        bool updateRegistry
    ) internal live onlyController returns (uint256) {
        require(available(id));
        expiries[id] = block.timestamp + duration;
        if (_exists(id)) {
            // Name was previously owned, and expired
            _burn(id);
        }
        _mint(owner, id);
        if (updateRegistry) {
            bns.setSubnodeOwner(baseNode, bytes32(id), owner);
        }

        emit NameRegistered(id, owner, block.timestamp + duration);

        return block.timestamp + duration;
    }

    function renew(uint256 id, uint256 duration)
        external
        override
        live
        onlyController
        returns (uint256)
    {
        require(expiries[id] < block.timestamp + RENEW_PERIOD, "renew period");

        expiries[id] += duration;
        emit NameRenewed(id, expiries[id]);
        return expiries[id];
    }

    /**
     * @dev Reclaim ownership of a name in BNS, if you own it in the registrar.
     */
    function reclaim(uint256 id, address owner) external override live {
        require(_isApprovedOrOwner(msg.sender, id));
        bns.setSubnodeOwner(baseNode, bytes32(id), owner);
    }

    function supportsInterface(bytes4 interfaceID)
        public
        view
        override(ERC721, IERC165)
        returns (bool)
    {
        return
            interfaceID == INTERFACE_META_ID ||
            interfaceID == ERC721_ID ||
            interfaceID == RECLAIM_ID ||
            super.supportsInterface(interfaceID);
    }
}

File 2 of 13 : BNS.sol
pragma solidity >=0.8.4;

interface BNS {
    // 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 view virtual returns (address);

    function resolver(bytes32 node) external view virtual returns (address);

    function ttl(bytes32 node) external view virtual returns (uint64);

    function recordExists(bytes32 node) external view virtual returns (bool);

    function isApprovedForAll(address owner, address operator)
        external
        view
        virtual
        returns (bool);
}

File 3 of 13 : ERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/ERC721.sol)

pragma solidity ^0.8.0;

import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including
 * the Metadata extension, but not including the Enumerable extension, which is available separately as
 * {ERC721Enumerable}.
 */
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
    using Address for address;
    using Strings for uint256;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to owner address
    mapping(uint256 => address) private _owners;

    // Mapping owner address to token count
    mapping(address => uint256) private _balances;

    // Mapping from token ID to approved address
    mapping(uint256 => address) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    /**
     * @dev Initializes the contract by setting a `name` and a `symbol` to the token collection.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return
            interfaceId == type(IERC721).interfaceId ||
            interfaceId == type(IERC721Metadata).interfaceId ||
            super.supportsInterface(interfaceId);
    }

    /**
     * @dev See {IERC721-balanceOf}.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        require(owner != address(0), "ERC721: balance query for the zero address");
        return _balances[owner];
    }

    /**
     * @dev See {IERC721-ownerOf}.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        address owner = _owners[tokenId];
        require(owner != address(0), "ERC721: owner query for nonexistent token");
        return owner;
    }

    /**
     * @dev See {IERC721Metadata-name}.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev See {IERC721Metadata-symbol}.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev See {IERC721Metadata-tokenURI}.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

        string memory baseURI = _baseURI();
        return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, can be overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return "";
    }

    /**
     * @dev See {IERC721-approve}.
     */
    function approve(address to, uint256 tokenId) public virtual override {
        address owner = ERC721.ownerOf(tokenId);
        require(to != owner, "ERC721: approval to current owner");

        require(
            _msgSender() == owner || isApprovedForAll(owner, _msgSender()),
            "ERC721: approve caller is not owner nor approved for all"
        );

        _approve(to, tokenId);
    }

    /**
     * @dev See {IERC721-getApproved}.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        require(_exists(tokenId), "ERC721: approved query for nonexistent token");

        return _tokenApprovals[tokenId];
    }

    /**
     * @dev See {IERC721-setApprovalForAll}.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _setApprovalForAll(_msgSender(), operator, approved);
    }

    /**
     * @dev See {IERC721-isApprovedForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev See {IERC721-transferFrom}.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        //solhint-disable-next-line max-line-length
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");

        _transfer(from, to, tokenId);
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public virtual override {
        safeTransferFrom(from, to, tokenId, "");
    }

    /**
     * @dev See {IERC721-safeTransferFrom}.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public virtual override {
        require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
        _safeTransfer(from, to, tokenId, _data);
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * `_data` is additional data, it has no specified format and it is sent in call to `to`.
     *
     * This internal function is equivalent to {safeTransferFrom}, and can be used to e.g.
     * implement alternative mechanisms to perform token transfer, such as signature-based.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeTransfer(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _transfer(from, to, tokenId);
        require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted (`_mint`),
     * and stop existing when they are burned (`_burn`).
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return _owners[tokenId] != address(0);
    }

    /**
     * @dev Returns whether `spender` is allowed to manage `tokenId`.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
        require(_exists(tokenId), "ERC721: operator query for nonexistent token");
        address owner = ERC721.ownerOf(tokenId);
        return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == spender);
    }

    /**
     * @dev Safely mints `tokenId` and transfers it to `to`.
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function _safeMint(address to, uint256 tokenId) internal virtual {
        _safeMint(to, tokenId, "");
    }

    /**
     * @dev Same as {xref-ERC721-_safeMint-address-uint256-}[`_safeMint`], with an additional `data` parameter which is
     * forwarded in {IERC721Receiver-onERC721Received} to contract recipients.
     */
    function _safeMint(
        address to,
        uint256 tokenId,
        bytes memory _data
    ) internal virtual {
        _mint(to, tokenId);
        require(
            _checkOnERC721Received(address(0), to, tokenId, _data),
            "ERC721: transfer to non ERC721Receiver implementer"
        );
    }

    /**
     * @dev Mints `tokenId` and transfers it to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {_safeMint} whenever possible
     *
     * Requirements:
     *
     * - `tokenId` must not exist.
     * - `to` cannot be the zero address.
     *
     * Emits a {Transfer} event.
     */
    function _mint(address to, uint256 tokenId) internal virtual {
        require(to != address(0), "ERC721: mint to the zero address");
        require(!_exists(tokenId), "ERC721: token already minted");

        _beforeTokenTransfer(address(0), to, tokenId);

        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(address(0), to, tokenId);

        _afterTokenTransfer(address(0), to, tokenId);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId) internal virtual {
        address owner = ERC721.ownerOf(tokenId);

        _beforeTokenTransfer(owner, address(0), tokenId);

        // Clear approvals
        _approve(address(0), tokenId);

        _balances[owner] -= 1;
        delete _owners[tokenId];

        emit Transfer(owner, address(0), tokenId);

        _afterTokenTransfer(owner, address(0), tokenId);
    }

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *  As opposed to {transferFrom}, this imposes no restrictions on msg.sender.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     *
     * Emits a {Transfer} event.
     */
    function _transfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {
        require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");
        require(to != address(0), "ERC721: transfer to the zero address");

        _beforeTokenTransfer(from, to, tokenId);

        // Clear approvals from the previous owner
        _approve(address(0), tokenId);

        _balances[from] -= 1;
        _balances[to] += 1;
        _owners[tokenId] = to;

        emit Transfer(from, to, tokenId);

        _afterTokenTransfer(from, to, tokenId);
    }

    /**
     * @dev Approve `to` to operate on `tokenId`
     *
     * Emits a {Approval} event.
     */
    function _approve(address to, uint256 tokenId) internal virtual {
        _tokenApprovals[tokenId] = to;
        emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
    }

    /**
     * @dev Approve `operator` to operate on all of `owner` tokens
     *
     * Emits a {ApprovalForAll} event.
     */
    function _setApprovalForAll(
        address owner,
        address operator,
        bool approved
    ) internal virtual {
        require(owner != operator, "ERC721: approve to caller");
        _operatorApprovals[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    /**
     * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.
     * The call is not executed if the target address is not a contract.
     *
     * @param from address representing the previous owner of the given token ID
     * @param to target address that will receive the tokens
     * @param tokenId uint256 ID of the token to be transferred
     * @param _data bytes optional data to send along with the call
     * @return bool whether the call correctly returned the expected magic value
     */
    function _checkOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        if (to.isContract()) {
            try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
                return retval == IERC721Receiver.onERC721Received.selector;
            } catch (bytes memory reason) {
                if (reason.length == 0) {
                    revert("ERC721: transfer to non ERC721Receiver implementer");
                } else {
                    assembly {
                        revert(add(32, reason), mload(reason))
                    }
                }
            }
        } else {
            return true;
        }
    }

    /**
     * @dev Hook that is called before any token transfer. This includes minting
     * and burning.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, ``from``'s `tokenId` will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 tokenId
    ) internal virtual {}
}

File 4 of 13 : BaseRegistrar.sol
pragma solidity ^0.8.4;

import "../registry/BNS.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

abstract contract BaseRegistrar is Ownable, IERC721 {
    uint256 public constant GRACE_PERIOD = 0; // no protection period
    uint256 public constant RENEW_PERIOD = 180 days;

    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);

    // The BNS registry
    BNS public bns;

    // The namehash of the TLD this registrar owns (eg, .eth)
    bytes32 public baseNode;

    // A map of addresses that are authorised to register and renew names.
    mapping(address => bool) public controllers;

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

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

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

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

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

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

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

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

File 5 of 13 : IERC721.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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 be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

File 6 of 13 : IERC721Receiver.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

File 7 of 13 : IERC721Metadata.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721Metadata is IERC721 {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

File 8 of 13 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

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

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

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

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

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 9 of 13 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

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

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

File 10 of 13 : Strings.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

File 11 of 13 : ERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

File 12 of 13 : IERC165.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

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

File 13 of 13 : Ownable.sol
// 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);
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 500
  },
  "metadata": {
    "bytecodeHash": "none",
    "useLiteralContent": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"contract BNS","name":"_bns","type":"address"},{"internalType":"bytes32","name":"_baseNode","type":"bytes32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"controller","type":"address"}],"name":"ControllerAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"controller","type":"address"}],"name":"ControllerRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"NameMigrated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"NameRegistered","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"NameRenewed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"GRACE_PERIOD","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"RENEW_PERIOD","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"}],"name":"addController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"available","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseNode","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bns","outputs":[{"internalType":"contract BNS","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"controllers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"nameExpires","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"address","name":"owner","type":"address"}],"name":"reclaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"duration","type":"uint256"}],"name":"register","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"duration","type":"uint256"}],"name":"registerOnly","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"controller","type":"address"}],"name":"removeController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"duration","type":"uint256"}],"name":"renew","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_baseTokenURI","type":"string"}],"name":"setBaseTokenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"resolver","type":"address"}],"name":"setResolver","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceID","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

Deployed Bytecode

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

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

000000000000000000000000799f64ec92e82cc1ec504b53dd79b3e2ea92396bf702f1b03281458158bc938ae02bb9e415467e8a03af28a2c5e55b6a55192b77

-----Decoded View---------------
Arg [0] : _bns (address): 0x799f64EC92E82cc1eC504B53DD79b3E2ea92396b
Arg [1] : _baseNode (bytes32): 0xf702f1b03281458158bc938ae02bb9e415467e8a03af28a2c5e55b6a55192b77

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000799f64ec92e82cc1ec504b53dd79b3e2ea92396b
Arg [1] : f702f1b03281458158bc938ae02bb9e415467e8a03af28a2c5e55b6a55192b77


Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading

Validator Index Block Amount
View All Withdrawals

Txn Hash Block Value Eth2 PubKey Valid
View All Deposits
[ Download: CSV Export  ]

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.