ETH Price: $2,633.96 (+7.78%)

Contract

0xD7b837A0E388B4c25200983bdAa3EF3A83ca86b7

Overview

ETH Balance

Taiko Mainnet  LogoTaiko Mainnet  LogoTaiko Mainnet  Logo0.055976394425143023 ETH

ETH Value

$147.44 (@ $2,633.96/ETH)
Transaction Hash
Method
Block
From
To
Bulk Register4589492024-10-14 1:14:1117 hrs ago1728868451IN
0xD7b837A0...A83ca86b7
0.0020338 ETH0.000053150.1
Bulk Renew4586622024-10-13 22:22:1120 hrs ago1728858131IN
0xD7b837A0...A83ca86b7
0.00205414 ETH0.000017730.1
Bulk Register4582552024-10-13 18:47:2323 hrs ago1728845243IN
0xD7b837A0...A83ca86b7
0.0020338 ETH0.00001950.0500077
Bulk Register4581402024-10-13 17:38:2325 hrs ago1728841103IN
0xD7b837A0...A83ca86b7
0.0020338 ETH0.00002930.05500006
Bulk Register4581322024-10-13 17:33:3525 hrs ago1728840815IN
0xD7b837A0...A83ca86b7
0.00205414 ETH0.000029460.05500006
Bulk Register4578802024-10-13 14:44:5928 hrs ago1728830699IN
0xD7b837A0...A83ca86b7
0.0020338 ETH0.000037820.1
Bulk Register4570812024-10-13 7:10:3535 hrs ago1728803435IN
0xD7b837A0...A83ca86b7
0.00205414 ETH0.000026850.05
Bulk Register4551102024-10-12 11:58:352 days ago1728734315IN
0xD7b837A0...A83ca86b7
0.00203259 ETH0.000036630.1
Bulk Register4545762024-10-12 7:04:352 days ago1728716675IN
0xD7b837A0...A83ca86b7
0.00205339 ETH0.000053410.1
Bulk Register4545522024-10-12 6:49:472 days ago1728715787IN
0xD7b837A0...A83ca86b7
0.00205339 ETH0.000052880.1
Bulk Register4535122024-10-11 21:01:352 days ago1728680495IN
0xD7b837A0...A83ca86b7
0.002032 ETH0.000036630.1
Bulk Register4531862024-10-11 17:42:233 days ago1728668543IN
0xD7b837A0...A83ca86b7
0.0020528 ETH0.000029370.05499999
Bulk Register4513112024-10-10 23:01:233 days ago1728601283IN
0xD7b837A0...A83ca86b7
0.00210584 ETH0.000053810.1
Bulk Register4479962024-10-09 15:45:235 days ago1728488723IN
0xD7b837A0...A83ca86b7
0.00202757 ETH0.00003690.1
Bulk Register4375362024-10-05 17:07:599 days ago1728148079IN
0xD7b837A0...A83ca86b7
0.00206067 ETH0.000038610.1
Bulk Register4335552024-10-04 5:45:5910 days ago1728020759IN
0xD7b837A0...A83ca86b7
0.00211249 ETH0.000023560.06
Bulk Register4332212024-10-04 2:46:3510 days ago1728009995IN
0xD7b837A0...A83ca86b7
0.00211249 ETH0.00005420.1
Bulk Register4269152024-10-01 14:49:4713 days ago1727794187IN
0xD7b837A0...A83ca86b7
0.00194432 ETH0.000038740.1
Bulk Register4267352024-10-01 13:04:1113 days ago1727787851IN
0xD7b837A0...A83ca86b7
0.00192637 ETH0.000053710.1
Bulk Register4243562024-09-30 16:30:2314 days ago1727713823IN
0xD7b837A0...A83ca86b7
0.00193771 ETH0.000053840.1
Bulk Register4210292024-09-29 12:14:1115 days ago1727612051IN
0xD7b837A0...A83ca86b7
0.0018807 ETH0.000026440.0500002
Bulk Register4207782024-09-29 9:58:1115 days ago1727603891IN
0xD7b837A0...A83ca86b7
0.00188558 ETH0.00001910.0500002
Bulk Register4061292024-09-23 17:55:2321 days ago1727114123IN
0xD7b837A0...A83ca86b7
0.00189443 ETH0.000027180.0500002
Bulk Register4042812024-09-23 0:56:4721 days ago1727053007IN
0xD7b837A0...A83ca86b7
0.00192163 ETH0.00003940.1
Bulk Register4038102024-09-22 20:42:2321 days ago1727037743IN
0xD7b837A0...A83ca86b7
0.0038806 ETH0.000038610.1
View all transactions

Latest 25 internal transactions (View All)

Parent Transaction Hash Block From To
4586622024-10-13 22:22:1120 hrs ago1728858131
0xD7b837A0...A83ca86b7
0.00002033 ETH
4581322024-10-13 17:33:3525 hrs ago1728840815
0xD7b837A0...A83ca86b7
0.00002033 ETH
4570812024-10-13 7:10:3535 hrs ago1728803435
0xD7b837A0...A83ca86b7
0.00002033 ETH
4267352024-10-01 13:04:1113 days ago1727787851
0xD7b837A0...A83ca86b7
0.00001907 ETH
4243562024-09-30 16:30:2314 days ago1727713823
0xD7b837A0...A83ca86b7
0.00001918 ETH
4061292024-09-23 17:55:2321 days ago1727114123
0xD7b837A0...A83ca86b7
0.00001875 ETH
3967872024-09-20 8:47:3524 days ago1726822055
0xD7b837A0...A83ca86b7
32.88815359 ETH
3967862024-09-20 8:46:5924 days ago1726822019
0xD7b837A0...A83ca86b7
5.82135567 ETH
3848252024-09-15 20:00:1128 days ago1726430411
0xD7b837A0...A83ca86b7
0.00002105 ETH
3842832024-09-15 14:58:4729 days ago1726412327
0xD7b837A0...A83ca86b7
0.00004157 ETH
3772192024-09-12 22:56:2331 days ago1726181783
0xD7b837A0...A83ca86b7
0.00002115 ETH
3618292024-09-07 2:08:3537 days ago1725674915
0xD7b837A0...A83ca86b7
0.00224991 ETH
3539232024-09-04 0:08:2340 days ago1725408503
0xD7b837A0...A83ca86b7
0.00004118 ETH
3477182024-09-01 19:10:5942 days ago1725217859
0xD7b837A0...A83ca86b7
0.00000536 ETH
3425052024-08-30 22:36:4744 days ago1725057407
0xD7b837A0...A83ca86b7
0.00595125 ETH
3415062024-08-30 14:01:1145 days ago1725026471
0xD7b837A0...A83ca86b7
0.0000093 ETH
3387552024-08-29 16:59:2346 days ago1724950763
0xD7b837A0...A83ca86b7
0.00002393 ETH
3355862024-08-28 20:47:4746 days ago1724878067
0xD7b837A0...A83ca86b7
0.00001976 ETH
3322442024-08-27 17:38:5948 days ago1724780339
0xD7b837A0...A83ca86b7
0.0000049 ETH
3322422024-08-27 17:37:3548 days ago1724780255
0xD7b837A0...A83ca86b7
0.0000049 ETH
3287972024-08-26 11:57:3549 days ago1724673455
0xD7b837A0...A83ca86b7
0.00001824 ETH
3260712024-08-25 10:42:4750 days ago1724582567
0xD7b837A0...A83ca86b7
0.00001815 ETH
3209472024-08-23 23:28:2351 days ago1724455703
0xD7b837A0...A83ca86b7
0.00001809 ETH
3207802024-08-23 22:27:2351 days ago1724452043
0xD7b837A0...A83ca86b7
0.00000552 ETH
3207802024-08-23 22:27:2351 days ago1724452043
0xD7b837A0...A83ca86b7
0.0017992 ETH
View All Internal Transactions
Loading...
Loading

Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xd28b55a4...300324CAb
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
ERC1967Proxy

Compiler Version
v0.8.18+commit.87f61d96

Optimization Enabled:
Yes with 1000 runs

Other Settings:
default evmVersion
File 1 of 8 : ERC1967Proxy.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {Proxy} from "@openzeppelin/contracts/proxy/Proxy.sol";
import {ERC1967Upgrade} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Upgrade.sol";

contract ERC1967Proxy is Proxy, ERC1967Upgrade {

    address private immutable deployer;
    bytes32 private immutable nameHash;

    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
     *
     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
     * function call, and allows initializing the storage of the proxy like a Solidity constructor.
     */
    constructor(address _deployer, bytes32 _nameHash) payable {
        deployer = _deployer;
        nameHash = _nameHash;

    }

    function initialize(address implementation, bytes memory data) public {
        require(msg.sender == deployer, "ERC1967Proxy: unauthorized");
        ERC1967Upgrade._upgradeToAndCall(implementation, data, false);
    }

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal view virtual override returns (address impl) {
        return ERC1967Upgrade._getImplementation();
    }

}

File 2 of 8 : draft-IERC1822.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822Proxiable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}

File 3 of 8 : IERC1967.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (interfaces/IERC1967.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.
 *
 * _Available since v4.8.3._
 */
interface IERC1967 {
    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Emitted when the beacon is changed.
     */
    event BeaconUpgraded(address indexed beacon);
}

File 4 of 8 : IBeacon.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

File 5 of 8 : ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

import "../beacon/IBeacon.sol";
import "../../interfaces/IERC1967.sol";
import "../../interfaces/draft-IERC1822.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 */
abstract contract ERC1967Upgrade is IERC1967 {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation address.
     */
    function _getImplementation() internal view returns (address) {
        return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 implementation slot.
     */
    function _setImplementation(address newImplementation) private {
        require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(address newImplementation, bytes memory data, bool forceCall) internal {
        _upgradeTo(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCallUUPS(address newImplementation, bytes memory data, bool forceCall) internal {
        // Upgrades from old implementations will perform a rollback test. This test requires the new
        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
        // this special case will break upgrade paths from old UUPS implementation to new ones.
        if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
            _setImplementation(newImplementation);
        } else {
            try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
                require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
            } catch {
                revert("ERC1967Upgrade: new implementation is not UUPS");
            }
            _upgradeToAndCall(newImplementation, data, forceCall);
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Returns the current admin.
     */
    function _getAdmin() internal view returns (address) {
        return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
    }

    /**
     * @dev Stores a new address in the EIP1967 admin slot.
     */
    function _setAdmin(address newAdmin) private {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {AdminChanged} event.
     */
    function _changeAdmin(address newAdmin) internal {
        emit AdminChanged(_getAdmin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
     * This is bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Returns the current beacon.
     */
    function _getBeacon() internal view returns (address) {
        return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
    }

    /**
     * @dev Stores a new beacon in the EIP1967 beacon slot.
     */
    function _setBeacon(address newBeacon) private {
        require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
        require(
            Address.isContract(IBeacon(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(address newBeacon, bytes memory data, bool forceCall) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        }
    }
}

File 6 of 8 : Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overridden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

File 7 of 8 : Address.sol
// 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);
        }
    }
}

File 8 of 8 : StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.

pragma solidity ^0.8.0;

/**
 * @dev Library for reading and writing primitive types to specific storage slots.
 *
 * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
 * This library helps with reading and writing to such slots without the need for inline assembly.
 *
 * The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
 *
 * Example usage to set ERC1967 implementation slot:
 * ```solidity
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._
 * _Available since v4.9 for `string`, `bytes`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` with member `value` located at `slot`.
     */
    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.
     */
    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` with member `value` located at `slot`.
     */
    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
     */
    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_deployer","type":"address"},{"internalType":"bytes32","name":"_nameHash","type":"bytes32"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"address","name":"implementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

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

Block Transaction Gas Used Reward
view all blocks sequenced

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

Validator Index Block Amount
View All Withdrawals

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