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// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

import {OperatableV2} from "mixins/OperatableV2.sol";
import {ILzFeeHandler} from "interfaces/ILzFeeHandler.sol";
import {IAggregator} from "interfaces/IAggregator.sol";
import {ILzOFTV2} from "interfaces/ILzOFTV2.sol";

contract LzOFTV2FeeHandler is OperatableV2, ILzFeeHandler {
    event LogFeeWithdrawn(address to, uint256 amount);
    event LogFixedNativeFeeChanged(uint256 previous, uint256 current);
    event LogOracleImplementationChange(IAggregator indexed previous, IAggregator indexed current);
    event LogQuoteTypeChanged(QuoteType previous, QuoteType current);
    event LogFeeToChanged(address indexed previous, address indexed current);
    event LogUsdFeeChanged(uint256 previous, uint256 current);
    event LogFeeCollected(uint256 amount);

    error ErrInvalidQuoteType(QuoteType);
    error ErrWithdrawFailed();
    error ErrValueTooLowToCoverFees(uint256);
    error ErrUnauthorizedSender();

    modifier onlyFromOFT() {
        if (msg.sender != address(oft)) {
            revert ErrUnauthorizedSender();
        }
        _;
    }

    uint256 public constant DEFAULT_USD_FEE = 1e18;

    ILzOFTV2 public immutable oft;

    address public feeTo;
    IAggregator public aggregator;
    uint256 public fixedNativeFee;
    uint256 public usdFee;
    QuoteType public quoteType = QuoteType.Oracle;

    constructor(
        address _owner,
        uint256 _fixedNativeFee,
        address _oft,
        address _aggregator,
        address _feeTo,
        uint8 _quoteType
    ) OperatableV2(_owner) {
        fixedNativeFee = _fixedNativeFee;
        oft = ILzOFTV2(_oft);
        aggregator = IAggregator(_aggregator);
        feeTo = _feeTo;
        quoteType = QuoteType(_quoteType);
        usdFee = DEFAULT_USD_FEE;
    }

    receive() external payable {
        emit LogFeeCollected(msg.value);
    }

    /************************************************************************
     * Public
     ************************************************************************/
    function withdrawFees() external {
        uint256 balance = address(this).balance;
        (bool success, ) = feeTo.call{value: balance}("");
        if (!success) revert ErrWithdrawFailed();
        emit LogFeeWithdrawn(feeTo, balance);
    }

    /************************************************************************
     * Operations
     ************************************************************************/
    function setFixedNativeFee(uint256 _fixedNativeFee) external onlyOperators {
        emit LogFixedNativeFeeChanged(fixedNativeFee, _fixedNativeFee);
        fixedNativeFee = _fixedNativeFee;
    }

    function setAggregator(IAggregator _aggregator) external onlyOperators {
        emit LogOracleImplementationChange(aggregator, _aggregator);
        aggregator = _aggregator;
    }

    function setUsdFee(uint256 _usdFee) external onlyOperators {
        emit LogUsdFeeChanged(usdFee, _usdFee);
        usdFee = _usdFee;
    }

    function setQuoteType(QuoteType _quoteType) external onlyOperators {
        if (_quoteType > QuoteType.Fixed) {
            revert ErrInvalidQuoteType(_quoteType);
        }

        emit LogQuoteTypeChanged(quoteType, _quoteType);
        quoteType = _quoteType;
    }

    /************************************************************************
     * Owners
     ************************************************************************/
    function setFeeTo(address _feeTo) external onlyOwner {
        emit LogFeeToChanged(feeTo, _feeTo);
        feeTo = _feeTo;
    }

    /************************************************************************
     * Views
     ************************************************************************/
    function getFee() public view override returns (uint256 nativeFee) {
        if (quoteType == QuoteType.Oracle) {
            nativeFee = ((10 ** aggregator.decimals()) * usdFee) / uint256(aggregator.latestAnswer());
        } else if (quoteType == QuoteType.Fixed) {
            nativeFee = fixedNativeFee;
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

import "solmate/auth/Owned.sol";

/// @title OperatableV2
/// @notice OperatableV2 is a contract that allows operator management.
/// The difference with OperatableV1 apart from using solmate `Owned` vs `BoringOwnable` is that
/// the constructor is taking in the owner except of using msg.sender.
/// This allows ensuring that the owner is right one.
/// For example, when deploying from a CREATE2 factory, the msg.sender would the factory address
/// which is usually not what we want.
contract OperatableV2 is Owned {
    event OperatorChanged(address indexed, bool);
    error NotAllowedOperator();

    mapping(address => bool) public operators;

    constructor(address _owner) Owned(_owner) {}

    modifier onlyOperators() {
        if (!operators[msg.sender] && msg.sender != owner) {
            revert NotAllowedOperator();
        }
        _;
    }

    function setOperator(address operator, bool status) external onlyOwner {
        operators[operator] = status;
        emit OperatorChanged(operator, status);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

interface ILzFeeHandler {
    enum QuoteType {
        None,
        Oracle,
        Fixed
    }

    function getFee() external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

interface IAggregator {
    function decimals() external view returns (uint8);

    function latestAnswer() external view returns (int256 answer);

    function latestRoundData()
        external
        view
        returns (
            uint80 roundId,
            int256 answer,
            uint256 startedAt,
            uint256 updatedAt,
            uint80 answeredInRound
        );
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

import "interfaces/ILzCommonOFT.sol";

/**
 * @dev Interface of the IOFT core standard
 */
interface ILzOFTV2 is ILzCommonOFT {
    /**
     * @dev send `_amount` amount of token to (`_dstChainId`, `_toAddress`) from `_from`
     * `_from` the owner of token
     * `_dstChainId` the destination chain identifier
     * `_toAddress` can be any size depending on the `dstChainId`.
     * `_amount` the quantity of tokens in wei
     * `_refundAddress` the address LayerZero refunds if too much message fee is sent
     * `_zroPaymentAddress` set to address(0x0) if not paying in ZRO (LayerZero Token)
     * `_adapterParams` is a flexible bytes array to indicate messaging adapter services
     */
    function sendFrom(
        address _from,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint _amount,
        LzCallParams calldata _callParams
    ) external payable;

    function sendAndCall(
        address _from,
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint _amount,
        bytes calldata _payload,
        uint64 _dstGasForCall,
        LzCallParams calldata _callParams
    ) external payable;
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Simple single owner authorization mixin.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/auth/Owned.sol)
abstract contract Owned {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event OwnershipTransferred(address indexed user, address indexed newOwner);

    /*//////////////////////////////////////////////////////////////
                            OWNERSHIP STORAGE
    //////////////////////////////////////////////////////////////*/

    address public owner;

    modifier onlyOwner() virtual {
        require(msg.sender == owner, "UNAUTHORIZED");

        _;
    }

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(address _owner) {
        owner = _owner;

        emit OwnershipTransferred(address(0), _owner);
    }

    /*//////////////////////////////////////////////////////////////
                             OWNERSHIP LOGIC
    //////////////////////////////////////////////////////////////*/

    function transferOwnership(address newOwner) public virtual onlyOwner {
        owner = newOwner;

        emit OwnershipTransferred(msg.sender, newOwner);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;

import "openzeppelin-contracts/utils/introspection/IERC165.sol";

/**
 * @dev Interface of the IOFT core standard
 */
interface ILzCommonOFT is IERC165 {
    struct LzCallParams {
        address payable refundAddress;
        address zroPaymentAddress;
        bytes adapterParams;
    }

    /**
     * @dev estimate send token `_tokenId` to (`_dstChainId`, `_toAddress`)
     * _dstChainId - L0 defined chain id to send tokens too
     * _toAddress - dynamic bytes array which contains the address to whom you are sending tokens to on the dstChain
     * _amount - amount of the tokens to transfer
     * _useZro - indicates to use zro to pay L0 fees
     * _adapterParam - flexible bytes array to indicate messaging adapter services in L0
     */
    function estimateSendFee(
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint _amount,
        bool _useZro,
        bytes calldata _adapterParams
    ) external view returns (uint nativeFee, uint zroFee);

    function estimateSendAndCallFee(
        uint16 _dstChainId,
        bytes32 _toAddress,
        uint _amount,
        bytes calldata _payload,
        uint64 _dstGasForCall,
        bool _useZro,
        bytes calldata _adapterParams
    ) external view returns (uint nativeFee, uint zroFee);

    /**
     * @dev returns the circulating amount of tokens on current chain
     */
    function circulatingSupply() external view returns (uint);

    /**
     * @dev returns the address of the ERC20 token
     */
    function token() external view returns (address);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

{
  "remappings": [
    "/=src/",
    "BoringSolidity/=lib/BoringSolidity/contracts/",
    "ExcessivelySafeCall/=lib/ExcessivelySafeCall/src/",
    "cauldrons/=src/cauldrons/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-deploy/=lib/forge-deploy/contracts/",
    "forge-std/=lib/forge-std/src/",
    "generated/=generated/",
    "interfaces/=src/interfaces/",
    "lenses/=src/lenses/",
    "libraries/=src/libraries/",
    "mixins/=src/mixins/",
    "openzeppelin-contracts-upgradeabl/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
    "oracles/=src/oracles/",
    "periphery/=src/periphery/",
    "solady/=lib/solady/src/",
    "solmate/=lib/solmate/src/",
    "strategies/=src/strategies/",
    "surl/=lib/surl/src/",
    "swappers/=src/swappers/",
    "tokens/=src/tokens/",
    "utils/=utils/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 800
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "libraries": {}
}

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ILzFeeHandler.QuoteType","name":"_quoteType","type":"uint8"}],"name":"setQuoteType","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_usdFee","type":"uint256"}],"name":"setUsdFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"usdFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdrawFees","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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000000000000000000000000fb3485c2e209a5cfbdc1447674256578f1a80ee30000000000000000000000000000000000000000000000000001f438daa0600000000000000000000000000060bbefe16dc584f9af10138da1dfbb4cdf25a09700000000000000000000000000000000000000000000000000000000000000000000000000000000000000001c063276cf810957cf0665903fad20d008f4b4040000000000000000000000000000000000000000000000000000000000000002

-----Decoded View---------------
Arg [0] : _owner (address): 0xfB3485c2e209A5cfBDC1447674256578f1A80eE3
Arg [1] : _fixedNativeFee (uint256): 550000000000000
Arg [2] : _oft (address): 0x60bbeFE16DC584f9AF10138Da1dfbB4CDf25A097
Arg [3] : _aggregator (address): 0x0000000000000000000000000000000000000000
Arg [4] : _feeTo (address): 0x1c063276CF810957cf0665903FAd20d008f4b404
Arg [5] : _quoteType (uint8): 2

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 000000000000000000000000fb3485c2e209a5cfbdc1447674256578f1a80ee3
Arg [1] : 0000000000000000000000000000000000000000000000000001f438daa06000
Arg [2] : 00000000000000000000000060bbefe16dc584f9af10138da1dfbb4cdf25a097
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [4] : 0000000000000000000000001c063276cf810957cf0665903fad20d008f4b404
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000002