Sepolia Testnet

Contract

0xd9d4b3ad7EDB8F852AB75afA66c1456C46fef210

Overview

ETH Balance

0 ETH

Multichain Info

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Transaction Hash
Method
Block
From
To
Transfer76358232025-02-04 4:28:363 days ago1738643316IN
0xd9d4b3ad...C46fef210
0.000722 ETH0.0015578711.24994783
Transfer76341182025-02-03 22:36:243 days ago1738622184IN
0xd9d4b3ad...C46fef210
0.000847 ETH0.00059771.07949595
Transfer76286642025-02-03 3:47:364 days ago1738554456IN
0xd9d4b3ad...C46fef210
0.000827 ETH0.000760852.82999775
Transfer76266092025-02-02 20:40:124 days ago1738528812IN
0xd9d4b3ad...C46fef210
0.000699 ETH0.000748492.79311811
Transfer73715062024-12-28 10:26:1241 days ago1735381572IN
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0.000797 ETH0.00132698.81560785
Transfer73682722024-12-27 22:56:3641 days ago1735340196IN
0xd9d4b3ad...C46fef210
0.000671 ETH0.000647221.63032032
Transfer73557152024-12-26 2:19:4843 days ago1735179588IN
0xd9d4b3ad...C46fef210
0.000774 ETH0.000009530.01628689
Transfer73174362024-12-20 10:35:1249 days ago1734690912IN
0xd9d4b3ad...C46fef210
0.000502 ETH0.0024010819.02063721
Transfer72938182024-12-16 23:07:2452 days ago1734390444IN
0xd9d4b3ad...C46fef210
0.000906 ETH0.000776572.95655625
Transfer72899302024-12-16 9:27:1253 days ago1734341232IN
0xd9d4b3ad...C46fef210
0.000956 ETH0.0069229454.84126037
Transfer72895932024-12-16 8:14:3653 days ago1734336876IN
0xd9d4b3ad...C46fef210
0.000666 ETH0.0039125730.99413358
Transfer72761392024-12-14 8:41:4855 days ago1734165708IN
0xd9d4b3ad...C46fef210
0.00089 ETH0.000923034.4420719
Transfer71885962024-12-01 8:34:1268 days ago1733042052IN
0xd9d4b3ad...C46fef210
0.000526 ETH0.000739622.62666554
Deposit ETH69869172024-11-01 1:05:4898 days ago1730423148IN
0xd9d4b3ad...C46fef210
0.01 ETH0.001190783.54804685
Deposit ETH69869062024-11-01 1:03:3698 days ago1730423016IN
0xd9d4b3ad...C46fef210
0.1 ETH0.001167544.08361937
Deposit ETH69860692024-10-31 22:04:1298 days ago1730412252IN
0xd9d4b3ad...C46fef210
0.07 ETH0.000666321.71017729
Deposit ETH69848732024-10-31 17:49:2498 days ago1730396964IN
0xd9d4b3ad...C46fef210
0.01 ETH0.001172243.88284104
Deposit ETH69847112024-10-31 17:15:4898 days ago1730394948IN
0xd9d4b3ad...C46fef210
0.001 ETH0.001167144.11689841
Deposit ETH69836072024-10-31 13:22:2498 days ago1730380944IN
0xd9d4b3ad...C46fef210
0.003 ETH0.001170214.61804938
Deposit ETH69834282024-10-31 12:44:2498 days ago1730378664IN
0xd9d4b3ad...C46fef210
0.15 ETH0.000967084.4828263
Deposit ETH69833692024-10-31 12:31:2499 days ago1730377884IN
0xd9d4b3ad...C46fef210
0.1 ETH0.001179294.96384518
Deposit ETH69833672024-10-31 12:31:0099 days ago1730377860IN
0xd9d4b3ad...C46fef210
0.1 ETH0.001179044.95204393
Deposit ETH69823112024-10-31 8:46:0099 days ago1730364360IN
0xd9d4b3ad...C46fef210
0.1 ETH0.001222685.87853799
Deposit ETH69822912024-10-31 8:42:0099 days ago1730364120IN
0xd9d4b3ad...C46fef210
0.002 ETH0.001307127.15413258
Deposit ETH69811952024-10-31 4:47:1299 days ago1730350032IN
0xd9d4b3ad...C46fef210
0.000001 ETH0.000754752.54196169
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Latest 25 internal transactions (View All)

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Parent Transaction Hash Block
From
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76358232025-02-04 4:28:363 days ago1738643316
0xd9d4b3ad...C46fef210
0.000722 ETH
76341182025-02-03 22:36:243 days ago1738622184
0xd9d4b3ad...C46fef210
0.000847 ETH
76286642025-02-03 3:47:364 days ago1738554456
0xd9d4b3ad...C46fef210
0.000827 ETH
76266092025-02-02 20:40:124 days ago1738528812
0xd9d4b3ad...C46fef210
0.000699 ETH
73715062024-12-28 10:26:1241 days ago1735381572
0xd9d4b3ad...C46fef210
0.000797 ETH
73682722024-12-27 22:56:3641 days ago1735340196
0xd9d4b3ad...C46fef210
0.000671 ETH
73557152024-12-26 2:19:4843 days ago1735179588
0xd9d4b3ad...C46fef210
0.000774 ETH
73174362024-12-20 10:35:1249 days ago1734690912
0xd9d4b3ad...C46fef210
0.000502 ETH
72938182024-12-16 23:07:2452 days ago1734390444
0xd9d4b3ad...C46fef210
0.000906 ETH
72899302024-12-16 9:27:1253 days ago1734341232
0xd9d4b3ad...C46fef210
0.000956 ETH
72895932024-12-16 8:14:3653 days ago1734336876
0xd9d4b3ad...C46fef210
0.000666 ETH
72761392024-12-14 8:41:4855 days ago1734165708
0xd9d4b3ad...C46fef210
0.00089 ETH
71885962024-12-01 8:34:1268 days ago1733042052
0xd9d4b3ad...C46fef210
0.000526 ETH
69869172024-11-01 1:05:4898 days ago1730423148
0xd9d4b3ad...C46fef210
0.01 ETH
69869062024-11-01 1:03:3698 days ago1730423016
0xd9d4b3ad...C46fef210
0.1 ETH
69860692024-10-31 22:04:1298 days ago1730412252
0xd9d4b3ad...C46fef210
0.07 ETH
69848732024-10-31 17:49:2498 days ago1730396964
0xd9d4b3ad...C46fef210
0.01 ETH
69847112024-10-31 17:15:4898 days ago1730394948
0xd9d4b3ad...C46fef210
0.001 ETH
69836072024-10-31 13:22:2498 days ago1730380944
0xd9d4b3ad...C46fef210
0.003 ETH
69834282024-10-31 12:44:2498 days ago1730378664
0xd9d4b3ad...C46fef210
0.15 ETH
69833692024-10-31 12:31:2499 days ago1730377884
0xd9d4b3ad...C46fef210
0.1 ETH
69833672024-10-31 12:31:0099 days ago1730377860
0xd9d4b3ad...C46fef210
0.1 ETH
69823112024-10-31 8:46:0099 days ago1730364360
0xd9d4b3ad...C46fef210
0.1 ETH
69822912024-10-31 8:42:0099 days ago1730364120
0xd9d4b3ad...C46fef210
0.002 ETH
69811952024-10-31 4:47:1299 days ago1730350032
0xd9d4b3ad...C46fef210
0.000001 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x07a60849...05bE72DB5
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
L1ChugSplashProxy

Compiler Version
v0.8.15+commit.e14f2714

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion
File 1 of 1 : L1ChugSplashProxy.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.15;

/**
 * @title IL1ChugSplashDeployer
 */
interface IL1ChugSplashDeployer {
    function isUpgrading() external view returns (bool);
}

/**
 * @custom:legacy
 * @title L1ChugSplashProxy
 * @notice Basic ChugSplash proxy contract for L1. Very close to being a normal proxy but has added
 *         functions `setCode` and `setStorage` for changing the code or storage of the contract.
 *
 *         Note for future developers: do NOT make anything in this contract 'public' unless you
 *         know what you're doing. Anything public can potentially have a function signature that
 *         conflicts with a signature attached to the implementation contract. Public functions
 *         SHOULD always have the `proxyCallIfNotOwner` modifier unless there's some *really* good
 *         reason not to have that modifier. And there almost certainly is not a good reason to not
 *         have that modifier. Beware!
 */
contract L1ChugSplashProxy {
    /**
     * @notice "Magic" prefix. When prepended to some arbitrary bytecode and used to create a
     *         contract, the appended bytecode will be deployed as given.
     */
    bytes13 internal constant DEPLOY_CODE_PREFIX = 0x600D380380600D6000396000f3;

    /**
     * @notice bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)
     */
    bytes32 internal constant IMPLEMENTATION_KEY =
        0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @notice bytes32(uint256(keccak256('eip1967.proxy.admin')) - 1)
     */
    bytes32 internal constant OWNER_KEY =
        0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @notice Blocks a function from being called when the parent signals that the system should
     *         be paused via an isUpgrading function.
     */
    modifier onlyWhenNotPaused() {
        address owner = _getOwner();

        // We do a low-level call because there's no guarantee that the owner actually *is* an
        // L1ChugSplashDeployer contract and Solidity will throw errors if we do a normal call and
        // it turns out that it isn't the right type of contract.
        (bool success, bytes memory returndata) = owner.staticcall(
            abi.encodeWithSelector(IL1ChugSplashDeployer.isUpgrading.selector)
        );

        // If the call was unsuccessful then we assume that there's no "isUpgrading" method and we
        // can just continue as normal. We also expect that the return value is exactly 32 bytes
        // long. If this isn't the case then we can safely ignore the result.
        if (success && returndata.length == 32) {
            // Although the expected value is a *boolean*, it's safer to decode as a uint256 in the
            // case that the isUpgrading function returned something other than 0 or 1. But we only
            // really care about the case where this value is 0 (= false).
            uint256 ret = abi.decode(returndata, (uint256));
            require(ret == 0, "L1ChugSplashProxy: system is currently being upgraded");
        }

        _;
    }

    /**
     * @notice Makes a proxy call instead of triggering the given function when the caller is
     *         either the owner or the zero address. Caller can only ever be the zero address if
     *         this function is being called off-chain via eth_call, which is totally fine and can
     *         be convenient for client-side tooling. Avoids situations where the proxy and
     *         implementation share a sighash and the proxy function ends up being called instead
     *         of the implementation one.
     *
     *         Note: msg.sender == address(0) can ONLY be triggered off-chain via eth_call. If
     *         there's a way for someone to send a transaction with msg.sender == address(0) in any
     *         real context then we have much bigger problems. Primary reason to include this
     *         additional allowed sender is because the owner address can be changed dynamically
     *         and we do not want clients to have to keep track of the current owner in order to
     *         make an eth_call that doesn't trigger the proxied contract.
     */
    // slither-disable-next-line incorrect-modifier
    modifier proxyCallIfNotOwner() {
        if (msg.sender == _getOwner() || msg.sender == address(0)) {
            _;
        } else {
            // This WILL halt the call frame on completion.
            _doProxyCall();
        }
    }

    /**
     * @param _owner Address of the initial contract owner.
     */
    constructor(address _owner) {
        _setOwner(_owner);
    }

    // slither-disable-next-line locked-ether
    receive() external payable {
        // Proxy call by default.
        _doProxyCall();
    }

    // slither-disable-next-line locked-ether
    fallback() external payable {
        // Proxy call by default.
        _doProxyCall();
    }

    /**
     * @notice Sets the code that should be running behind this proxy.
     *
     *         Note: This scheme is a bit different from the standard proxy scheme where one would
     *         typically deploy the code separately and then set the implementation address. We're
     *         doing it this way because it gives us a lot more freedom on the client side. Can
     *         only be triggered by the contract owner.
     *
     * @param _code New contract code to run inside this contract.
     */
    function setCode(bytes memory _code) external proxyCallIfNotOwner {
        // Get the code hash of the current implementation.
        address implementation = _getImplementation();

        // If the code hash matches the new implementation then we return early.
        if (keccak256(_code) == _getAccountCodeHash(implementation)) {
            return;
        }

        // Create the deploycode by appending the magic prefix.
        bytes memory deploycode = abi.encodePacked(DEPLOY_CODE_PREFIX, _code);

        // Deploy the code and set the new implementation address.
        address newImplementation;
        assembly {
            newImplementation := create(0x0, add(deploycode, 0x20), mload(deploycode))
        }

        // Check that the code was actually deployed correctly. I'm not sure if you can ever
        // actually fail this check. Should only happen if the contract creation from above runs
        // out of gas but this parent execution thread does NOT run out of gas. Seems like we
        // should be doing this check anyway though.
        require(
            _getAccountCodeHash(newImplementation) == keccak256(_code),
            "L1ChugSplashProxy: code was not correctly deployed"
        );

        _setImplementation(newImplementation);
    }

    /**
     * @notice Modifies some storage slot within the proxy contract. Gives us a lot of power to
     *         perform upgrades in a more transparent way. Only callable by the owner.
     *
     * @param _key   Storage key to modify.
     * @param _value New value for the storage key.
     */
    function setStorage(bytes32 _key, bytes32 _value) external proxyCallIfNotOwner {
        assembly {
            sstore(_key, _value)
        }
    }

    /**
     * @notice Changes the owner of the proxy contract. Only callable by the owner.
     *
     * @param _owner New owner of the proxy contract.
     */
    function setOwner(address _owner) external proxyCallIfNotOwner {
        _setOwner(_owner);
    }

    /**
     * @notice Queries the owner of the proxy contract. Can only be called by the owner OR by
     *         making an eth_call and setting the "from" address to address(0).
     *
     * @return Owner address.
     */
    function getOwner() external proxyCallIfNotOwner returns (address) {
        return _getOwner();
    }

    /**
     * @notice Queries the implementation address. Can only be called by the owner OR by making an
     *         eth_call and setting the "from" address to address(0).
     *
     * @return Implementation address.
     */
    function getImplementation() external proxyCallIfNotOwner returns (address) {
        return _getImplementation();
    }

    /**
     * @notice Sets the implementation address.
     *
     * @param _implementation New implementation address.
     */
    function _setImplementation(address _implementation) internal {
        assembly {
            sstore(IMPLEMENTATION_KEY, _implementation)
        }
    }

    /**
     * @notice Changes the owner of the proxy contract.
     *
     * @param _owner New owner of the proxy contract.
     */
    function _setOwner(address _owner) internal {
        assembly {
            sstore(OWNER_KEY, _owner)
        }
    }

    /**
     * @notice Performs the proxy call via a delegatecall.
     */
    function _doProxyCall() internal onlyWhenNotPaused {
        address implementation = _getImplementation();

        require(implementation != address(0), "L1ChugSplashProxy: implementation is not set yet");

        assembly {
            // Copy calldata into memory at 0x0....calldatasize.
            calldatacopy(0x0, 0x0, calldatasize())

            // Perform the delegatecall, make sure to pass all available gas.
            let success := delegatecall(gas(), implementation, 0x0, calldatasize(), 0x0, 0x0)

            // Copy returndata into memory at 0x0....returndatasize. Note that this *will*
            // overwrite the calldata that we just copied into memory but that doesn't really
            // matter because we'll be returning in a second anyway.
            returndatacopy(0x0, 0x0, returndatasize())

            // Success == 0 means a revert. We'll revert too and pass the data up.
            if iszero(success) {
                revert(0x0, returndatasize())
            }

            // Otherwise we'll just return and pass the data up.
            return(0x0, returndatasize())
        }
    }

    /**
     * @notice Queries the implementation address.
     *
     * @return Implementation address.
     */
    function _getImplementation() internal view returns (address) {
        address implementation;
        assembly {
            implementation := sload(IMPLEMENTATION_KEY)
        }
        return implementation;
    }

    /**
     * @notice Queries the owner of the proxy contract.
     *
     * @return Owner address.
     */
    function _getOwner() internal view returns (address) {
        address owner;
        assembly {
            owner := sload(OWNER_KEY)
        }
        return owner;
    }

    /**
     * @notice Gets the code hash for a given account.
     *
     * @param _account Address of the account to get a code hash for.
     *
     * @return Code hash for the account.
     */
    function _getAccountCodeHash(address _account) internal view returns (bytes32) {
        bytes32 codeHash;
        assembly {
            codeHash := extcodehash(_account)
        }
        return codeHash;
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "bytecodeHash": "none"
  },
  "libraries": {}
}

Contract ABI

[{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"getImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"_code","type":"bytes"}],"name":"setCode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"},{"internalType":"bytes32","name":"_value","type":"bytes32"}],"name":"setStorage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

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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.