Sepolia Testnet

Contract

0xa3e7317E591D5A0F1c605be1b3aC4D2ae56104d6
Transaction Hash
Method
Block
From
To
Create Level Ins...68558852024-10-11 10:53:488 mins ago1728644028IN
0xa3e7317E...ae56104d6
0.001 ETH0.0126366934.57258341
Create Level Ins...68558762024-10-11 10:52:0010 mins ago1728643920IN
0xa3e7317E...ae56104d6
0 ETH0.0260382534.65299078
Submit Level Ins...68558382024-10-11 10:42:3619 mins ago1728643356IN
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0 ETH0.0048540626.17947513
Submit Level Ins...68557752024-10-11 10:28:1233 mins ago1728642492IN
0xa3e7317E...ae56104d6
0 ETH0.0017814717.77668658
Submit Level Ins...68557612024-10-11 10:25:1236 mins ago1728642312IN
0xa3e7317E...ae56104d6
0 ETH0.0023094217.18142625
Create Level Ins...68557592024-10-11 10:24:4837 mins ago1728642288IN
0xa3e7317E...ae56104d6
0 ETH0.0034130914.10364838
Create Level Ins...68557392024-10-11 10:20:2441 mins ago1728642024IN
0xa3e7317E...ae56104d6
0 ETH0.0100497313.37467623
Create Level Ins...68556802024-10-11 10:07:2454 mins ago1728641244IN
0xa3e7317E...ae56104d6
0 ETH0.0045988215.40779342
Submit Level Ins...68556742024-10-11 10:06:0056 mins ago1728641160IN
0xa3e7317E...ae56104d6
0 ETH0.0027450916.56228707
Submit Level Ins...68556402024-10-11 9:57:121 hr ago1728640632IN
0xa3e7317E...ae56104d6
0 ETH0.0032212117.17699571
Create Level Ins...68556202024-10-11 9:52:481 hr ago1728640368IN
0xa3e7317E...ae56104d6
0 ETH0.007641521.05886281
Submit Level Ins...68555952024-10-11 9:46:481 hr ago1728640008IN
0xa3e7317E...ae56104d6
0 ETH0.0039601220.43241184
Create Level Ins...68555452024-10-11 9:35:241 hr ago1728639324IN
0xa3e7317E...ae56104d6
0 ETH0.0053482917.41169048
Create Level Ins...68555112024-10-11 9:28:001 hr ago1728638880IN
0xa3e7317E...ae56104d6
0 ETH0.006416721.11771395
Submit Level Ins...68555102024-10-11 9:27:361 hr ago1728638856IN
0xa3e7317E...ae56104d6
0 ETH0.00203120.81734446
Submit Level Ins...68554842024-10-11 9:21:361 hr ago1728638496IN
0xa3e7317E...ae56104d6
0 ETH0.0041710122.48139404
Submit Level Ins...68554602024-10-11 9:15:361 hr ago1728638136IN
0xa3e7317E...ae56104d6
0 ETH0.0023840424.43599745
Create Level Ins...68554562024-10-11 9:14:481 hr ago1728638088IN
0xa3e7317E...ae56104d6
0 ETH0.0045507325.44429178
Create Level Ins...68553442024-10-11 8:46:242 hrs ago1728636384IN
0xa3e7317E...ae56104d6
0 ETH0.0838948837.5286693
Submit Level Ins...68552832024-10-11 8:31:242 hrs ago1728635484IN
0xa3e7317E...ae56104d6
0 ETH0.0056153429.00291547
Create Level Ins...68552662024-10-11 8:27:122 hrs ago1728635232IN
0xa3e7317E...ae56104d6
0 ETH0.0321523236.85507117
Submit Level Ins...68552522024-10-11 8:23:242 hrs ago1728635004IN
0xa3e7317E...ae56104d6
0 ETH0.0051255127.65020234
Create Level Ins...68552212024-10-11 8:16:482 hrs ago1728634608IN
0xa3e7317E...ae56104d6
0 ETH0.0114628728.99755159
Create Level Ins...68552162024-10-11 8:15:482 hrs ago1728634548IN
0xa3e7317E...ae56104d6
0 ETH0.0106768131.48564165
Submit Level Ins...68551172024-10-11 7:52:003 hrs ago1728633120IN
0xa3e7317E...ae56104d6
0 ETH0.0004513617.19111056
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Latest 25 internal transactions (View All)

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Parent Transaction Hash Block From To
68558852024-10-11 10:53:488 mins ago1728644028
0xa3e7317E...ae56104d6
0.001 ETH
68550372024-10-11 7:33:123 hrs ago1728631992
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68537802024-10-11 2:33:368 hrs ago1728614016
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68533642024-10-11 0:53:3610 hrs ago1728608016
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68527692024-10-10 22:27:1212 hrs ago1728599232
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68527592024-10-10 22:25:1212 hrs ago1728599112
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68523852024-10-10 20:55:3614 hrs ago1728593736
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68517612024-10-10 18:26:0016 hrs ago1728584760
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68516952024-10-10 18:10:0016 hrs ago1728583800
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68500602024-10-10 11:36:4823 hrs ago1728560208
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68489642024-10-10 7:17:0027 hrs ago1728544620
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0.001 ETH
68488812024-10-10 6:57:3628 hrs ago1728543456
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0.001 ETH
68488192024-10-10 6:43:2428 hrs ago1728542604
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68485332024-10-10 5:35:1229 hrs ago1728538512
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68485132024-10-10 5:30:2429 hrs ago1728538224
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68483592024-10-10 4:54:2430 hrs ago1728536064
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68472532024-10-10 0:34:0034 hrs ago1728520440
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68467782024-10-09 22:40:0036 hrs ago1728513600
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68458572024-10-09 19:00:1240 hrs ago1728500412
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68454972024-10-09 17:33:2441 hrs ago1728495204
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68439362024-10-09 11:24:1247 hrs ago1728473052
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68436902024-10-09 10:23:002 days ago1728469380
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68433972024-10-09 9:14:242 days ago1728465264
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0.001 ETH
68428292024-10-09 7:00:002 days ago1728457200
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68425712024-10-09 5:57:002 days ago1728453420
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Contract Source Code Verified (Exact Match)

Contract Name:
Ethernaut

Compiler Version
v0.8.12+commit.f00d7308

Optimization Enabled:
Yes with 1000 runs

Other Settings:
default evmVersion, MIT license
/**
 *Submitted for verification at Etherscan.io on 2022-11-17
*/

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;


// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)




// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)



/**
 * @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;
    }
}


/**
 * @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 Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        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);
    }
}


abstract contract Level is Ownable {
  function createInstance(address _player) virtual public payable returns (address);
  function validateInstance(address payable _instance, address _player) virtual public returns (bool);
}

interface IStatistics {
    function saveNewLevel(address level) external;

    function createNewInstance(
        address instance,
        address level,
        address player
    ) external;

    function submitFailure(
        address instance,
        address level,
        address player
    ) external;

    function submitSuccess(
        address instance,
        address level,
        address player
    ) external;
}

contract Ethernaut is Ownable {
    IStatistics public statistics;

    // ----------------------------------
    // Owner interaction
    // ----------------------------------

    mapping(address => bool) public registeredLevels;

    // Only registered levels will be allowed to generate and validate level instances.
    function registerLevel(Level _level) public onlyOwner {
        registeredLevels[address(_level)] = true;
        statistics.saveNewLevel(address(_level));
    }

    function setStatistics(address _statProxy) external onlyOwner {
        statistics = IStatistics(_statProxy);
    }

    // ----------------------------------
    // Get/submit level instances
    // ----------------------------------

    struct EmittedInstanceData {
        address player;
        Level level;
        bool completed;
    }

    mapping(address => EmittedInstanceData) public emittedInstances;

    event LevelInstanceCreatedLog(
        address indexed player,
        address indexed instance,
        address indexed level
    );
    event LevelCompletedLog(
        address indexed player,
        address indexed instance,
        address indexed level
    );

    function createLevelInstance(Level _level) public payable {
        // Ensure level is registered.
        require(registeredLevels[address(_level)], "This level doesn't exists");

        // Get level factory to create an instance.
        address instance = _level.createInstance{value: msg.value}(msg.sender);

        // Store emitted instance relationship with player and level.
        emittedInstances[instance] = EmittedInstanceData(
            msg.sender,
            _level,
            false
        );

        statistics.createNewInstance(instance, address(_level), msg.sender);

        // Retrieve created instance via logs.
        emit LevelInstanceCreatedLog(msg.sender, instance, address(_level));
    }

    function submitLevelInstance(address payable _instance) public {
        // Get player and level.
        EmittedInstanceData storage data = emittedInstances[_instance];
        require(
            data.player == msg.sender,
            "This instance doesn't belong to the current user"
        ); // instance was emitted for this player
        require(data.completed == false, "Level has been completed already"); // not already submitted

        // Have the level check the instance.
        if (data.level.validateInstance(_instance, msg.sender)) {
            // Register instance as completed.
            data.completed = true;

            statistics.submitSuccess(
                _instance,
                address(data.level),
                msg.sender
            );
            // Notify success via logs.
            emit LevelCompletedLog(msg.sender, _instance, address(data.level));
        } else {
            statistics.submitFailure(
                _instance,
                address(data.level),
                msg.sender
            );
        }
    }
}

Contract ABI

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"player","type":"address"},{"indexed":true,"internalType":"address","name":"instance","type":"address"},{"indexed":true,"internalType":"address","name":"level","type":"address"}],"name":"LevelCompletedLog","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"player","type":"address"},{"indexed":true,"internalType":"address","name":"instance","type":"address"},{"indexed":true,"internalType":"address","name":"level","type":"address"}],"name":"LevelInstanceCreatedLog","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"},{"inputs":[{"internalType":"contract Level","name":"_level","type":"address"}],"name":"createLevelInstance","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"emittedInstances","outputs":[{"internalType":"address","name":"player","type":"address"},{"internalType":"contract Level","name":"level","type":"address"},{"internalType":"bool","name":"completed","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract Level","name":"_level","type":"address"}],"name":"registerLevel","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"registeredLevels","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_statProxy","type":"address"}],"name":"setStatistics","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"statistics","outputs":[{"internalType":"contract IStatistics","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address payable","name":"_instance","type":"address"}],"name":"submitLevelInstance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Swarm Source

ipfs://b6cdd57c7c4ed65e880fa59c764242d6a66b9aca01b6e2243fcd8f13636158ae

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