ETH Price: $2,556.81 (-0.47%)

Contract

0x4268DdD4F1b2aB737729EC7A0C08C8510aD6A85c
Transaction Hash
Method
Block
From
To
Gas Transfer1354139512025-05-05 6:31:1919 days ago1746426679IN
0x4268DdD4...10aD6A85c
0.000167365392156 ETH0.0000000684740.00009026
Gas Transfer1354138872025-05-05 6:29:1119 days ago1746426551IN
0x4268DdD4...10aD6A85c
0.000162294683218 ETH0.0000000747860.00010089
Gas Transfer1354133082025-05-05 6:09:5319 days ago1746425393IN
0x4268DdD4...10aD6A85c
0.000190399583673 ETH0.0000000901160.00011339
Gas Transfer1354130382025-05-05 6:00:5319 days ago1746424853IN
0x4268DdD4...10aD6A85c
0.000106646712462 ETH0.0000002887660.00108913
Gas Transfer1354122952025-05-05 5:36:0719 days ago1746423367IN
0x4268DdD4...10aD6A85c
0.000107240157164 ETH0.0000000703350.0001007
Gas Transfer1353708832025-05-04 6:35:4320 days ago1746340543IN
0x4268DdD4...10aD6A85c
0.000105331026172 ETH0.0000002354850.00054034
Gas Transfer1353701312025-05-04 6:10:3920 days ago1746339039IN
0x4268DdD4...10aD6A85c
0.00016543717605 ETH0.0000001519520.00039668
Gas Transfer1353697992025-05-04 5:59:3520 days ago1746338375IN
0x4268DdD4...10aD6A85c
0.000108727628147 ETH0.0000001582250.00041059
Gas Transfer1353685332025-05-04 5:17:2320 days ago1746335843IN
0x4268DdD4...10aD6A85c
0.00012208369211 ETH0.0000000828580.00011137
Gas Transfer1353682692025-05-04 5:08:3520 days ago1746335315IN
0x4268DdD4...10aD6A85c
0.000212007994097 ETH0.0000000644960.00009794
Gas Transfer1353298832025-05-03 7:49:0321 days ago1746258543IN
0x4268DdD4...10aD6A85c
0.000138180944998 ETH0.0000001216470.0005156
Gas Transfer1353291162025-05-03 7:23:2921 days ago1746257009IN
0x4268DdD4...10aD6A85c
0.000138306431464 ETH0.0000000621060.0002532
Gas Transfer1353289402025-05-03 7:17:3721 days ago1746256657IN
0x4268DdD4...10aD6A85c
0.000106246346082 ETH0.0000000759940.00032375
Gas Transfer1353284572025-05-03 7:01:3121 days ago1746255691IN
0x4268DdD4...10aD6A85c
0.000162389470134 ETH0.0000000390370.00015471
Gas Transfer1353282772025-05-03 6:55:3121 days ago1746255331IN
0x4268DdD4...10aD6A85c
0.000109649370855 ETH0.0000000628330.00025798
Gas Transfer1353272332025-05-03 6:20:4321 days ago1746253243IN
0x4268DdD4...10aD6A85c
0.000106409336851 ETH0.0000000302250.00011785
Gas Transfer1353267362025-05-03 6:04:0921 days ago1746252249IN
0x4268DdD4...10aD6A85c
0.000189318459584 ETH0.0000000296790.00011301
Gas Transfer1353260942025-05-03 5:42:4521 days ago1746250965IN
0x4268DdD4...10aD6A85c
0.000105815793259 ETH0.0000000282640.000107
Gas Transfer1353260262025-05-03 5:40:2921 days ago1746250829IN
0x4268DdD4...10aD6A85c
0.000105984431178 ETH0.0000000274780.0001066
Gas Transfer1352841742025-05-02 6:25:2522 days ago1746167125IN
0x4268DdD4...10aD6A85c
0.000106130235381 ETH0.0000005593170.0010009
Gas Transfer1352831432025-05-02 5:51:0322 days ago1746165063IN
0x4268DdD4...10aD6A85c
0.000137756331191 ETH0.0000003357230.00077069
Gas Transfer1352826632025-05-02 5:35:0322 days ago1746164103IN
0x4268DdD4...10aD6A85c
0.000105870812643 ETH0.0000002779040.00030176
Gas Transfer1352360212025-05-01 3:40:1923 days ago1746070819IN
0x4268DdD4...10aD6A85c
0.000112093537613 ETH0.0000005183240.00050167
Gas Transfer1352354332025-05-01 3:20:4323 days ago1746069643IN
0x4268DdD4...10aD6A85c
0.000111480925532 ETH0.0000006808850.00100065
Gas Transfer1352347272025-05-01 2:57:1123 days ago1746068231IN
0x4268DdD4...10aD6A85c
0.000108597553717 ETH0.000000612290.00100063
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Latest 25 internal transactions (View All)

Advanced mode:
Parent Transaction Hash Block From To
1354139512025-05-05 6:31:1919 days ago1746426679
0x4268DdD4...10aD6A85c
0.000084661536249 ETH
1354138872025-05-05 6:29:1119 days ago1746426551
0x4268DdD4...10aD6A85c
0.000079592642132 ETH
1354133082025-05-05 6:09:5319 days ago1746425393
0x4268DdD4...10aD6A85c
0.000107735371215 ETH
1354130382025-05-05 6:00:5319 days ago1746424853
0x4268DdD4...10aD6A85c
0.00002412513149 ETH
1354122952025-05-05 5:36:0719 days ago1746423367
0x4268DdD4...10aD6A85c
0.000024130392837 ETH
1353708832025-05-04 6:35:4320 days ago1746340543
0x4268DdD4...10aD6A85c
0.000023801693825 ETH
1353701312025-05-04 6:10:3920 days ago1746339039
0x4268DdD4...10aD6A85c
0.000084181298203 ETH
1353697992025-05-04 5:59:3520 days ago1746338375
0x4268DdD4...10aD6A85c
0.000027603682928 ETH
1353685332025-05-04 5:17:2320 days ago1746335843
0x4268DdD4...10aD6A85c
0.000040497770797 ETH
1353682692025-05-04 5:08:3520 days ago1746335315
0x4268DdD4...10aD6A85c
0.000130422072783 ETH
1353298832025-05-03 7:49:0321 days ago1746258543
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0.000056157386613 ETH
1353291162025-05-03 7:23:2921 days ago1746257009
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0.000056157413144 ETH
1353289402025-05-03 7:17:3721 days ago1746256657
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0.000024224451705 ETH
1353284572025-05-03 7:01:3121 days ago1746255691
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0.000080343798043 ETH
1353282772025-05-03 6:55:3121 days ago1746255331
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0.000027603698764 ETH
1353272332025-05-03 6:20:4321 days ago1746253243
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0.000024231965212 ETH
1353267362025-05-03 6:04:0921 days ago1746252249
0x4268DdD4...10aD6A85c
0.000107545401626 ETH
1353260942025-05-03 5:42:4521 days ago1746250965
0x4268DdD4...10aD6A85c
0.000024060865971 ETH
1353260262025-05-03 5:40:2921 days ago1746250829
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0.000024229503891 ETH
1352841742025-05-02 6:25:2522 days ago1746167125
0x4268DdD4...10aD6A85c
0.000024244670676 ETH
1352831432025-05-02 5:51:0322 days ago1746165063
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0.000056156983986 ETH
1352826632025-05-02 5:35:0322 days ago1746164103
0x4268DdD4...10aD6A85c
0.00002421893662 ETH
1352360212025-05-01 3:40:1923 days ago1746070819
0x4268DdD4...10aD6A85c
0.000029313063104 ETH
1352354332025-05-01 3:20:4323 days ago1746069643
0x4268DdD4...10aD6A85c
0.00002857444382 ETH
1352347272025-05-01 2:57:1123 days ago1746068231
0x4268DdD4...10aD6A85c
0.000025682022533 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
InterportLZGasTransfer

Compiler Version
v0.8.19+commit.7dd6d404

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

import { ILayerZeroEndpoint } from '../crosschain/layerzero/interfaces/ILayerZeroEndpoint.sol';
import { ILayerZeroRelayer } from '../crosschain/layerzero/interfaces/ILayerZeroRelayer.sol';
import { ILayerZeroResumeReceive } from '../crosschain/layerzero/interfaces/ILayerZeroResumeReceive.sol';
import { OwnerManageable } from '../access/OwnerManageable.sol';
import { SystemVersionId } from '../SystemVersionId.sol';
import '../helpers/AddressHelper.sol' as AddressHelper;

/**
 * @title InterportLZGasTransfer
 * @notice Gas transfer contract
 */
contract InterportLZGasTransfer is SystemVersionId, OwnerManageable {
    /**
     * @notice Gas transfer parameter data structure
     * @param lzChainId LayerZero-specific chain identifier
     * @param recipient The address of the gas transfer recipient
     * @param amount Gas transfer amount
     * @param settings Gas transfer settings
     */
    struct GasTransferParameters {
        uint16 lzChainId;
        address recipient;
        uint256 amount;
        bytes settings;
    }

    /**
     * @dev The address of the cross-chain endpoint
     */
    address public lzEndpoint;

    /**
     * @dev The address of the cross-chain relayer
     */
    address public lzRelayer;

    uint16 private constant LZ_ADAPTER_PARAMETERS_VERSION = 2;
    bytes private constant LZ_PAYLOAD_NONE = '';
    uint256 private minDstGas;
    uint256 private minReserve;

    /**
     * @notice Emitted when the cross-chain endpoint contract reference is set
     * @param endpoint The cross-chain endpoint contract address
     */
    event SetEndpoint(address indexed endpoint);

    /**
     * @notice Emitted when the cross-chain relayer contract reference is set
     * @param relayer The cross-chain relayer contract address
     */
    event SetRelayer(address indexed relayer);

    /**
     * @notice Emitted when the parameter validation results in an error
     */
    error ValidationError();

    /**
     * @notice Initializes the InterportLZGasTransfer contract
     * @param _lzEndpoint The cross-chain endpoint contract address
     * @param _lzRelayer The cross-chain relayer contract address
     * @param _validation The initial validation data
     * @param _owner The address of the initial owner of the contract
     */
    constructor(address _lzEndpoint, address _lzRelayer, bytes memory _validation, address _owner) {
        _setEndpoint(_lzEndpoint);
        _setRelayer(_lzRelayer);
        _setValidation(_validation);

        _initOwner(_owner);
    }

    /**
     * @notice The standard "receive" function
     */
    receive() external payable {}

    /**
     * @notice Performs a gas transfer action
     * @param _parameters Gas transfer parameters
     */
    function gasTransfer(
        GasTransferParameters calldata _parameters
    ) external payable whenNotPaused {
        (uint256 lzValue, address dstApp, bytes memory lzAdapterParameters) = _getEndpointData(
            _parameters,
            true
        );

        ILayerZeroEndpoint(lzEndpoint).send{ value: lzValue }(
            _parameters.lzChainId,
            abi.encodePacked(dstApp, address(this)),
            LZ_PAYLOAD_NONE,
            payable(this),
            address(0),
            lzAdapterParameters
        );
    }

    /**
     * @notice Receives cross-chain messages
     * @dev The function is called by the cross-chain endpoint
     */
    function lzReceive(uint16, bytes calldata, uint64, bytes calldata) external {}

    /**
     * @notice Unblocks the cross-chain message queue
     * @param _lzSourceChainId The source chain identifier (LayerZero-specific)
     * @param _sourceApp The source chain app address
     */
    function resumeReceive(uint16 _lzSourceChainId, address _sourceApp) external {
        ILayerZeroResumeReceive(lzEndpoint).forceResumeReceive(
            _lzSourceChainId,
            abi.encodePacked(_sourceApp, address(this))
        );
    }

    /**
     * @notice Sets the cross-chain endpoint contract reference
     * @param _lzEndpoint The cross-chain endpoint contract address
     */
    function setEndpoint(address _lzEndpoint) external onlyOwner {
        _setEndpoint(_lzEndpoint);
    }

    /**
     * @notice Sets the cross-chain relayer contract reference
     * @param _lzRelayer The cross-chain relayer contract address
     */
    function setRelayer(address _lzRelayer) external onlyOwner {
        _setRelayer(_lzRelayer);
    }

    /**
     * @notice Sets the validation data
     * @param _validation The validation data
     */
    function setValidation(bytes memory _validation) external onlyOwner {
        _setValidation(_validation);
    }

    /**
     * @notice Source chain tx value estimation
     * @param _parameters Gas transfer parameters
     * @return lzValue The source chain tx value
     */
    function estimateSourceValue(
        GasTransferParameters calldata _parameters
    ) external view returns (uint256 lzValue) {
        (lzValue, , ) = _getEndpointData(_parameters, false);
    }

    /**
     * @notice The native token amount cap on the destination chains
     * @param _lzChainIds The destination chain identifier array (LayerZero-specific)
     * @return The native token amount cap on the destination chains
     */
    function destinationAmountCap(
        uint16[] calldata _lzChainIds
    ) external view returns (uint128[] memory) {
        uint128[] memory result = new uint128[](_lzChainIds.length);

        uint16 lzChainId;
        uint16 outboundProofType;
        uint128 cap;

        address sendLibrary = SendLibraryProvider(lzEndpoint).getSendLibraryAddress(address(this));

        for (uint256 index; index < _lzChainIds.length; index++) {
            lzChainId = _lzChainIds[index];
            outboundProofType = AppConfigProvider(sendLibrary)
                .getAppConfig(lzChainId, address(this))
                .outboundProofType;

            (cap, , ) = ILayerZeroRelayer(lzRelayer).dstConfigLookup(lzChainId, outboundProofType);

            result[index] = cap;
        }

        return result;
    }

    function _setEndpoint(address _lzEndpoint) private {
        AddressHelper.requireContract(_lzEndpoint);

        lzEndpoint = _lzEndpoint;

        emit SetEndpoint(_lzEndpoint);
    }

    function _setRelayer(address _lzRelayer) private {
        AddressHelper.requireContract(_lzRelayer);

        lzRelayer = _lzRelayer;

        emit SetRelayer(_lzRelayer);
    }

    function _setValidation(bytes memory _validation) private {
        (minDstGas, minReserve) = abi.decode(_validation, (uint256, uint256));
    }

    function _getEndpointData(
        GasTransferParameters calldata _parameters,
        bool _validate
    ) private view returns (uint256 lzValue, address dstApp, bytes memory lzAdapterParameters) {
        uint256 dstGas;

        (dstApp, dstGas, lzAdapterParameters) = _decodeParameters(_parameters);

        (lzValue, ) = ILayerZeroEndpoint(lzEndpoint).estimateFees(
            _parameters.lzChainId,
            address(this),
            LZ_PAYLOAD_NONE,
            false,
            lzAdapterParameters
        );

        if (_validate && (dstGas < minDstGas || lzValue + minReserve > msg.value)) {
            revert ValidationError();
        }
    }

    function _decodeParameters(
        GasTransferParameters calldata _parameters
    ) private view returns (address dstApp, uint256 dstGas, bytes memory lzAdapterParameters) {
        (dstApp, dstGas) = abi.decode(_parameters.settings, (address, uint256));

        lzAdapterParameters = abi.encodePacked(
            LZ_ADAPTER_PARAMETERS_VERSION,
            dstGas,
            _parameters.amount,
            _parameters.recipient == address(0) ? msg.sender : _parameters.recipient
        );
    }
}

interface SendLibraryProvider {
    function getSendLibraryAddress(
        address _userApplication
    ) external view returns (address sendLibraryAddress);
}

interface AppConfigProvider {
    struct ApplicationConfiguration {
        uint16 inboundProofLibraryVersion;
        uint64 inboundBlockConfirmations;
        address relayer;
        uint16 outboundProofType;
        uint64 outboundBlockConfirmations;
        address oracle;
    }

    function getAppConfig(
        uint16 _remoteChainId,
        address _userApplicationAddress
    ) external view returns (ApplicationConfiguration memory);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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 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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        require(paused(), "Pausable: not paused");
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

// 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;
    }
}

// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

import { Ownable } from '@openzeppelin/contracts/access/Ownable.sol';
import { Pausable } from '@openzeppelin/contracts/security/Pausable.sol';
import { ITokenBalance } from '../interfaces/ITokenBalance.sol';
import '../helpers/TransferHelper.sol' as TransferHelper;
import '../Constants.sol' as Constants;

/**
 * @title OwnerManageable
 * @notice OwnerManageable contract
 */
contract OwnerManageable is Ownable, Pausable {
    /**
     * @notice Enter pause state
     */
    function pause() external onlyOwner whenNotPaused {
        _pause();
    }

    /**
     * @notice Exit pause state
     */
    function unpause() external onlyOwner whenPaused {
        _unpause();
    }

    /**
     * @notice Performs the token cleanup
     * @dev Use the "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE" address for the native token
     * @param _tokenAddress The address of the token
     */
    function cleanup(address _tokenAddress) external onlyOwner {
        if (_tokenAddress == Constants.NATIVE_TOKEN_ADDRESS) {
            TransferHelper.safeTransferNative(msg.sender, address(this).balance);
        } else {
            TransferHelper.safeTransfer(
                _tokenAddress,
                msg.sender,
                ITokenBalance(_tokenAddress).balanceOf(address(this))
            );
        }
    }

    /**
     * @notice Performs the token cleanup using the provided amount
     * @dev Use the "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE" address for the native token
     * @param _tokenAddress The address of the token
     * @param _tokenAmount The amount of the token
     */
    function cleanupWithAmount(address _tokenAddress, uint256 _tokenAmount) external onlyOwner {
        if (_tokenAddress == Constants.NATIVE_TOKEN_ADDRESS) {
            TransferHelper.safeTransferNative(msg.sender, _tokenAmount);
        } else {
            TransferHelper.safeTransfer(_tokenAddress, msg.sender, _tokenAmount);
        }
    }

    function _initOwner(address _owner) internal {
        if (_owner != _msgSender() && _owner != address(0)) {
            _transferOwnership(_owner);
        }
    }
}

File 1 of 13 : Constants.sol
// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

/**
 * @dev The default token decimals value
 */
uint256 constant DECIMALS_DEFAULT = 18;

/**
 * @dev The maximum uint256 value for swap amount limit settings
 */
uint256 constant INFINITY = type(uint256).max;

/**
 * @dev The default limit of account list size
 */
uint256 constant LIST_SIZE_LIMIT_DEFAULT = 100;

/**
 * @dev The limit of swap router list size
 */
uint256 constant LIST_SIZE_LIMIT_ROUTERS = 200;

/**
 * @dev The factor for percentage settings. Example: 100 is 0.1%
 */
uint256 constant MILLIPERCENT_FACTOR = 100_000;

/**
 * @dev The de facto standard address to denote the native token
 */
address constant NATIVE_TOKEN_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;

// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

/**
 * @title ILayerZeroEndpoint
 * @notice LayerZero endpoint interface
 */
interface ILayerZeroEndpoint {
    /**
     * @notice Send a cross-chain message
     * @param _dstChainId The destination chain identifier
     * @param _destination Remote address concatenated with local address packed into 40 bytes
     * @param _payload The message content
     * @param _refundAddress Refund the additional amount to this address
     * @param _zroPaymentAddress The address of the ZRO token holder who would pay for the transaction
     * @param _adapterParam Parameters for the adapter service
     */
    function send(
        uint16 _dstChainId,
        bytes calldata _destination,
        bytes calldata _payload,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes calldata _adapterParam
    ) external payable;

    /**
     * @notice Cross-chain message fee estimation
     * @param _dstChainId The destination chain identifier
     * @param _userApplication The application address on the source chain
     * @param _payload The message content
     * @param _payInZRO If false, the user application pays the protocol fee in the native token
     * @param _adapterParam Parameters for the adapter service
     * @return nativeFee The native token fee for the message
     * @return zroFee The ZRO token fee for the message
     */
    function estimateFees(
        uint16 _dstChainId,
        address _userApplication,
        bytes calldata _payload,
        bool _payInZRO,
        bytes calldata _adapterParam
    ) external view returns (uint256 nativeFee, uint256 zroFee);
}

File 1 of 13 : ILayerZeroRelayer.sol
// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

/**
 * @title ILayerZeroRelayer
 * @notice LayerZero relayer interface
 */
interface ILayerZeroRelayer {
    /**
     * @notice Destination config lookup
     * @param _chainId The chain identifier
     * @param _outboundProofType The type of the outbound proof
     * @return dstNativeAmtCap The native token amount cap on the destination chain
     * @return baseGas The base gas value
     * @return gasPerByte The gas value per byte
     */
    function dstConfigLookup(
        uint16 _chainId,
        uint16 _outboundProofType
    ) external view returns (uint128 dstNativeAmtCap, uint64 baseGas, uint64 gasPerByte);
}

// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

/**
 * @title ILayerZeroResumeReceive
 * @notice LayerZero queue unblocking interface
 */
interface ILayerZeroResumeReceive {
    /**
     * @notice Unblocks the LayerZero message queue
     * @param _srcChainId The source chain identifier
     * @param _srcAddress Remote address concatenated with local address packed into 40 bytes
     */
    function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external;
}

File 2 of 13 : AddressHelper.sol
// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

/**
 * @notice Emitted when the account is not a contract
 * @param account The account address
 */
error NonContractAddressError(address account);

/**
 * @notice Function to check if the account is a contract
 * @return The account contract status flag
 */
function isContract(address _account) view returns (bool) {
    return _account.code.length > 0;
}

/**
 * @notice Function to require an account to be a contract
 */
function requireContract(address _account) view {
    if (!isContract(_account)) {
        revert NonContractAddressError(_account);
    }
}

/**
 * @notice Function to require an account to be a contract or a zero address
 */
function requireContractOrZeroAddress(address _account) view {
    if (_account != address(0)) {
        requireContract(_account);
    }
}

File 2 of 13 : TransferHelper.sol
// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

/**
 * @notice Emitted when an approval action fails
 */
error SafeApproveError();

/**
 * @notice Emitted when a transfer action fails
 */
error SafeTransferError();

/**
 * @notice Emitted when a transferFrom action fails
 */
error SafeTransferFromError();

/**
 * @notice Emitted when a transfer of the native token fails
 */
error SafeTransferNativeError();

/**
 * @notice Safely approve the token to the account
 * @param _token The token address
 * @param _to The token approval recipient address
 * @param _value The token approval amount
 */
function safeApprove(address _token, address _to, uint256 _value) {
    // 0x095ea7b3 is the selector for "approve(address,uint256)"
    (bool success, bytes memory data) = _token.call(
        abi.encodeWithSelector(0x095ea7b3, _to, _value)
    );

    bool condition = success && (data.length == 0 || abi.decode(data, (bool)));

    if (!condition) {
        revert SafeApproveError();
    }
}

/**
 * @notice Safely transfer the token to the account
 * @param _token The token address
 * @param _to The token transfer recipient address
 * @param _value The token transfer amount
 */
function safeTransfer(address _token, address _to, uint256 _value) {
    // 0xa9059cbb is the selector for "transfer(address,uint256)"
    (bool success, bytes memory data) = _token.call(
        abi.encodeWithSelector(0xa9059cbb, _to, _value)
    );

    bool condition = success && (data.length == 0 || abi.decode(data, (bool)));

    if (!condition) {
        revert SafeTransferError();
    }
}

/**
 * @notice Safely transfer the token between the accounts
 * @param _token The token address
 * @param _from The token transfer source address
 * @param _to The token transfer recipient address
 * @param _value The token transfer amount
 */
function safeTransferFrom(address _token, address _from, address _to, uint256 _value) {
    // 0x23b872dd is the selector for "transferFrom(address,address,uint256)"
    (bool success, bytes memory data) = _token.call(
        abi.encodeWithSelector(0x23b872dd, _from, _to, _value)
    );

    bool condition = success && (data.length == 0 || abi.decode(data, (bool)));

    if (!condition) {
        revert SafeTransferFromError();
    }
}

/**
 * @notice Safely transfer the native token to the account
 * @param _to The native token transfer recipient address
 * @param _value The native token transfer amount
 */
function safeTransferNative(address _to, uint256 _value) {
    (bool success, ) = _to.call{ value: _value }(new bytes(0));

    if (!success) {
        revert SafeTransferNativeError();
    }
}

// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

/**
 * @title ITokenBalance
 * @notice Token balance interface
 */
interface ITokenBalance {
    /**
     * @notice Getter of the token balance by the account
     * @param _account The account address
     * @return Token balance
     */
    function balanceOf(address _account) external view returns (uint256);
}

File 2 of 13 : SystemVersionId.sol
// SPDX-License-Identifier: AGPL-3.0-only

pragma solidity 0.8.19;

/**
 * @title SystemVersionId
 * @notice Base contract providing the system version identifier
 */
abstract contract SystemVersionId {
    /**
     * @dev The system version identifier
     */
    uint256 public constant SYSTEM_VERSION_ID = uint256(keccak256('Initial'));
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

API
[{"inputs":[{"internalType":"address","name":"_lzEndpoint","type":"address"},{"internalType":"address","name":"_lzRelayer","type":"address"},{"internalType":"bytes","name":"_validation","type":"bytes"},{"internalType":"address","name":"_owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"NonContractAddressError","type":"error"},{"inputs":[],"name":"SafeTransferError","type":"error"},{"inputs":[],"name":"SafeTransferNativeError","type":"error"},{"inputs":[],"name":"ValidationError","type":"error"},{"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":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"endpoint","type":"address"}],"name":"SetEndpoint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"relayer","type":"address"}],"name":"SetRelayer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[],"name":"SYSTEM_VERSION_ID","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"}],"name":"cleanup","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"},{"internalType":"uint256","name":"_tokenAmount","type":"uint256"}],"name":"cleanupWithAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16[]","name":"_lzChainIds","type":"uint16[]"}],"name":"destinationAmountCap","outputs":[{"internalType":"uint128[]","name":"","type":"uint128[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"lzChainId","type":"uint16"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"settings","type":"bytes"}],"internalType":"struct InterportLZGasTransfer.GasTransferParameters","name":"_parameters","type":"tuple"}],"name":"estimateSourceValue","outputs":[{"internalType":"uint256","name":"lzValue","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"lzChainId","type":"uint16"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"settings","type":"bytes"}],"internalType":"struct InterportLZGasTransfer.GasTransferParameters","name":"_parameters","type":"tuple"}],"name":"gasTransfer","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"lzEndpoint","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"},{"internalType":"bytes","name":"","type":"bytes"},{"internalType":"uint64","name":"","type":"uint64"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"lzReceive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"lzRelayer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_lzSourceChainId","type":"uint16"},{"internalType":"address","name":"_sourceApp","type":"address"}],"name":"resumeReceive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_lzEndpoint","type":"address"}],"name":"setEndpoint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_lzRelayer","type":"address"}],"name":"setRelayer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"_validation","type":"bytes"}],"name":"setValidation","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

0000000000000000000000003c2269811836af69497e5f486a85d7316753cf6200000000000000000000000081e792e5a9003cc1c8bf5569a00f34b65d75b017000000000000000000000000000000000000000000000000000000000000008000000000000000000000000072e28c7f34100afefc399fcc0ae041b8fe5841ae000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000003e800000000000000000000000000000000000000000000000000000b3a73cfd8d0

-----Decoded View---------------
Arg [0] : _lzEndpoint (address): 0x3c2269811836af69497E5F486A85D7316753cf62
Arg [1] : _lzRelayer (address): 0x81E792e5a9003CC1C8BF5569A00f34b65d75b017
Arg [2] : _validation (bytes): 0x00000000000000000000000000000000000000000000000000000000000003e800000000000000000000000000000000000000000000000000000b3a73cfd8d0
Arg [3] : _owner (address): 0x72E28c7F34100AfefC399fcc0AE041B8fe5841AE

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000003c2269811836af69497e5f486a85d7316753cf62
Arg [1] : 00000000000000000000000081e792e5a9003cc1c8bf5569a00f34b65d75b017
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [3] : 00000000000000000000000072e28c7f34100afefc399fcc0ae041b8fe5841ae
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [5] : 00000000000000000000000000000000000000000000000000000000000003e8
Arg [6] : 00000000000000000000000000000000000000000000000000000b3a73cfd8d0


Block Transaction Difficulty Gas Used Reward
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Block Uncle Number Difficulty Gas Used Reward
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Validator Index Block Amount
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Transaction Hash Block Value Eth2 PubKey Valid
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Chain Token Portfolio % Price Amount Value
ARB25.43%$2,556.810.4945$1,264.27
BASE17.81%$2,557.630.3461$885.23
LINEA15.15%$2,556.90.2945$753.09
SCROLL9.26%$2,556.90.18$460.29
OP
Ether (ETH)
8.31%$2,556.810.1615$412.88
BSC7.38%$673.290.545$366.95
POL6.67%$0.2369931,398.4118$331.41
GNO4.57%$0.999886226.9678$226.94
AVAX1.74%$23.073.7407$86.3
ETH0.95%$2,557.560.0185$47.33
CELO0.80%$0.381069103.9222$39.6
OPBNB0.60%$673.370.0444$29.87
ARBNOVA0.47%$2,556.60.00910613$23.28
MANTLE0.43%$0.73897728.8308$21.31
MOVR0.16%$7.221.1216$8.1
GLMR0.15%$0.08957782.045$7.35
ZKEVM0.09%$2,557.560.00175257$4.48
BLAST0.05%$2,557.060.00096859$2.48
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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.