Sepolia Testnet

Contract

0xfd0Bf71F60660E2f608ed56e1659C450eB113120

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0 ETH

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Multichain Info

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Transaction Hash
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Bridge ETH To63720012024-07-25 6:54:0022 secs ago1721890440IN
0xfd0Bf71F...0eB113120
0.034 ETH0.0090050764.29851991
Bridge ETH To63719942024-07-25 6:52:002 mins ago1721890320IN
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0.000014 ETH0.0070099351.73765898
Bridge ETH To63719942024-07-25 6:52:002 mins ago1721890320IN
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0.000014 ETH0.0072459151.73765898
Bridge ETH To63719922024-07-25 6:51:362 mins ago1721890296IN
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0.000024 ETH0.0064823147.84348823
Bridge ETH To63719922024-07-25 6:51:362 mins ago1721890296IN
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0.00002 ETH0.0067005247.84348823
Bridge ETH To63719872024-07-25 6:50:004 mins ago1721890200IN
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0.05 ETH0.0062168345.88411647
Bridge ETH To63719872024-07-25 6:50:004 mins ago1721890200IN
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1 ETH0.0066097247.21132868
Bridge ETH To63719682024-07-25 6:45:368 mins ago1721889936IN
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0.01 ETH0.006675947.66768814
Bridge ETH To63719582024-07-25 6:42:4811 mins ago1721889768IN
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0.7 ETH0.005899742.12539465
Bridge ETH To63718972024-07-25 6:26:3627 mins ago1721888796IN
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0.01 ETH0.0056812940.56588534
Bridge ETH To63718512024-07-25 6:13:3640 mins ago1721888016IN
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0.01 ETH0.0034736324.80266227
Bridge ETH To63718472024-07-25 6:12:3641 mins ago1721887956IN
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0.11 ETH0.0040959529.84870616
Bridge ETH To63718462024-07-25 6:12:2441 mins ago1721887944IN
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0.11 ETH0.0042121730.07600651
Bridge ETH To63718432024-07-25 6:11:4842 mins ago1721887908IN
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0.013 ETH0.0040611428.99759649
Bridge ETH To63718092024-07-25 6:03:2450 mins ago1721887404IN
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0.001 ETH0.0033261724.23690819
Bridge ETH To63718082024-07-25 6:03:0051 mins ago1721887380IN
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0.001 ETH0.0032989224.0383424
Bridge ETH To63718072024-07-25 6:02:4851 mins ago1721887368IN
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0.001 ETH0.0034842625.38882866
Bridge ETH To63718062024-07-25 6:02:3651 mins ago1721887356IN
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0.01 ETH0.003847627.47521032
Bridge ETH To63717712024-07-25 5:53:361 hr ago1721886816IN
0xfd0Bf71F...0eB113120
0.01 ETH0.0043370332.01002263
Bridge ETH To63717712024-07-25 5:53:361 hr ago1721886816IN
0xfd0Bf71F...0eB113120
0.03 ETH0.00438632.38287546
Bridge ETH To63717712024-07-25 5:53:361 hr ago1721886816IN
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1 ETH0.0047389333.83723485
Bridge ETH To63717682024-07-25 5:52:361 hr ago1721886756IN
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1 ETH0.0051997837.88937939
Bridge ETH To63717672024-07-25 5:52:241 hr ago1721886744IN
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1 ETH0.0047962635.3993781
Bridge ETH To63717672024-07-25 5:52:241 hr ago1721886744IN
0xfd0Bf71F...0eB113120
1 ETH0.0047962635.3993781
Bridge ETH To63717672024-07-25 5:52:241 hr ago1721886744IN
0xfd0Bf71F...0eB113120
1 ETH0.0049577135.3993781
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Latest 25 internal transactions (View All)

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Parent Transaction Hash Block From To
63719942024-07-25 6:52:002 mins ago1721890320
0xfd0Bf71F...0eB113120
0.000014 ETH
63719942024-07-25 6:52:002 mins ago1721890320
0xfd0Bf71F...0eB113120
0.000014 ETH
63719922024-07-25 6:51:362 mins ago1721890296
0xfd0Bf71F...0eB113120
0.000024 ETH
63719922024-07-25 6:51:362 mins ago1721890296
0xfd0Bf71F...0eB113120
0.00002 ETH
63719872024-07-25 6:50:004 mins ago1721890200
0xfd0Bf71F...0eB113120
0.05 ETH
63719872024-07-25 6:50:004 mins ago1721890200
0xfd0Bf71F...0eB113120
1 ETH
63719682024-07-25 6:45:368 mins ago1721889936
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0.01 ETH
63719582024-07-25 6:42:4811 mins ago1721889768
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0.7 ETH
63718972024-07-25 6:26:3627 mins ago1721888796
0xfd0Bf71F...0eB113120
0.01 ETH
63718512024-07-25 6:13:3640 mins ago1721888016
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0.01 ETH
63718472024-07-25 6:12:3641 mins ago1721887956
0xfd0Bf71F...0eB113120
0.11 ETH
63718462024-07-25 6:12:2441 mins ago1721887944
0xfd0Bf71F...0eB113120
0.11 ETH
63718432024-07-25 6:11:4842 mins ago1721887908
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0.013 ETH
63718152024-07-25 6:04:3649 mins ago1721887476
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0.05 ETH
63718152024-07-25 6:04:3649 mins ago1721887476
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0.05 ETH
63718092024-07-25 6:03:2450 mins ago1721887404
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0.001 ETH
63718082024-07-25 6:03:0051 mins ago1721887380
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0.001 ETH
63718072024-07-25 6:02:4851 mins ago1721887368
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0.001 ETH
63718062024-07-25 6:02:3651 mins ago1721887356
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0.01 ETH
63718042024-07-25 6:02:0052 mins ago1721887320
0xfd0Bf71F...0eB113120
0.05 ETH
63718042024-07-25 6:02:0052 mins ago1721887320
0xfd0Bf71F...0eB113120
0.05 ETH
63717712024-07-25 5:53:361 hr ago1721886816
0xfd0Bf71F...0eB113120
0.01 ETH
63717712024-07-25 5:53:361 hr ago1721886816
0xfd0Bf71F...0eB113120
0.03 ETH
63717712024-07-25 5:53:361 hr ago1721886816
0xfd0Bf71F...0eB113120
1 ETH
63717682024-07-25 5:52:361 hr ago1721886756
0xfd0Bf71F...0eB113120
1 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.