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// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.27;

import "./xRenzoDepositNativeBridgeStorage.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import {
    OwnableUpgradeable
} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import {
    IERC20MetadataUpgradeable
} from "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/IERC20MetadataUpgradeable.sol";
import "../../Errors/Errors.sol";
import "../xERC20/interfaces/IXERC20.sol";
import "../Connext/core/IWeth.sol";
import "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
import "../../RateProvider/IRateProvider.sol";
import "@hyperlane-xyz/core/contracts/libs/TypeCasts.sol";

/**
 * @author  Renzo
 * @title   xRenzoDeposit Contract
 * @dev     Tokens are sent to this contract via deposit, xezETH is minted for the user,
 *          and funds are batched and bridged down to the L1 for depositing into the Renzo Protocol.
 *          Any ezETH minted on the L1 will be locked in the lockbox for unwrapping at a later time with xezETH.
 * @notice  Allows L2 minting of xezETH tokens in exchange for deposited assets
 */

contract xRenzoDepositNativeBridge is
    Initializable,
    OwnableUpgradeable,
    ReentrancyGuardUpgradeable,
    IRateProvider,
    xRenzoDepositNativeBridgeStorageV2
{
    using TypeCasts for address;
    using SafeERC20 for IERC20;

    /// @dev - This contract expects all tokens to have 18 decimals for pricing
    uint8 public constant EXPECTED_DECIMALS = 18;

    /// @dev - Fee basis point, 100 basis point = 1 %
    uint32 public constant FEE_BASIS = 10000;

    IERC20 public constant ETH_NATIVE_TOKEN_ADDRESS =
        IERC20(0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE);

    uint256 public constant MIN_DUST_BRIDGE = 500000 gwei;

    event PriceUpdated(uint256 price, uint256 timestamp);
    event Deposit(address indexed user, uint256 amountIn, uint256 amountOut);
    event BridgeSwept(address token, uint256 amount, address sweeper);
    event ReceiverPriceFeedUpdated(address newReceiver, address oldReceiver);
    event SweeperBridgeFeeCollected(address sweeper, address token, uint256 feeCollected);
    event BridgeFeeShareUpdated(uint256 oldBridgeFeeShare, uint256 newBridgeFeeShare);
    event FlatBridgeFeeUpdated(uint256 oldFlatBridgeFee, uint256 newFlatBridgeFee);
    event SweepBatchSizeUpdated(uint256 oldSweepBatchSize, uint256 newSweepBatchSize);
    event TokenSupportUpdated(
        address token,
        bool supported,
        address oracle,
        address valueTransferBridge
    );
    event TokenTimeDiscountUpdated(address token, uint256 oldDiscount, uint256 newDiscount);
    event BridgeFeeCollectorUpdated(address oldBridgeFeeCollector, address newBridgeFeeCollector);

    /// @dev Prevents implementation contract from being initialized.
    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() {
        _disableInitializers();
    }

    /**
     * @notice  Initializes the contract with initial vars
     * @dev     All tokens are expected to have 18 decimals
     * @param   _currentPrice  Initializes it with an initial price of ezETH to ETH
     * @param   _xezETH  L2 ezETH token
     * @param   _weth  WETH token for wrapping ETH - can be 0x0 if not supported
     * @param   _receiver Renzo Receiver middleware contract for price feed
     * @param   _mainnetDestinationDomain  The mainnet destination domain to receive bridge funds
     * @param   _mainnetRecipient  The contract on mainnet to receive bridge funds
     * @param   _bridgeFeeCollector  The address to collect bridge fees - is sent funds as they are collected
     */
    function initialize(
        uint256 _currentPrice,
        IERC20 _xezETH,
        IWeth _weth,
        address _receiver,
        uint32 _mainnetDestinationDomain,
        address _mainnetRecipient,
        address _bridgeFeeCollector
    ) public initializer {
        // Initialize inherited classes
        __Ownable_init();
        __ReentrancyGuard_init();

        // Verify valid non zero values
        if (
            _currentPrice == 0 ||
            address(_xezETH) == address(0) ||
            address(_weth) == address(0) ||
            address(_receiver) == address(0) ||
            _mainnetDestinationDomain == 0 ||
            _mainnetRecipient == address(0) ||
            _bridgeFeeCollector == address(0)
        ) {
            revert InvalidZeroInput();
        }

        // Verify all tokens have 18 decimals
        uint8 decimals = IERC20MetadataUpgradeable(address(_xezETH)).decimals();
        if (decimals != EXPECTED_DECIMALS) {
            revert InvalidTokenDecimals(EXPECTED_DECIMALS, decimals);
        }

        decimals = IERC20MetadataUpgradeable(address(_weth)).decimals();
        if (decimals != EXPECTED_DECIMALS) {
            revert InvalidTokenDecimals(EXPECTED_DECIMALS, decimals);
        }

        // Initialize the price and timestamp
        lastPrice = _currentPrice;
        lastPriceTimestamp = block.timestamp;

        // Set xezETH address
        xezETH = _xezETH;

        // Set WETH address
        weth = _weth;

        // Set price receiver contract address
        receiver = _receiver;

        // Set the destination domain and recipient
        mainnetDestinationDomain = _mainnetDestinationDomain;
        mainnetRecipient = _mainnetRecipient;

        // set bridge Fee Share 0.05% where 100 basis point = 1%
        bridgeFeeShare = 5;

        //set sweep batch size to 32 ETH
        sweepBatchSize = 32 ether;

        // Set the bridge fee collector
        bridgeFeeCollector = _bridgeFeeCollector;
    }

    /**
     * @notice  Accepts deposit for the user in the native asset and mints xezETH
     * @dev     This function allows anyone to call and deposit the native asset for xezETH
     *          ezETH will be immediately minted based on the current price
     * @param   _minOut  Minimum number of xezETH to accept to ensure slippage minimums
     * @param   _deadline  latest timestamp to accept this transaction
     * @return  uint256  Amount of xezETH minted to calling account
     */
    function depositETH(
        uint256 _minOut,
        uint256 _deadline
    ) external payable nonReentrant returns (uint256) {
        if (msg.value == 0) {
            revert InvalidZeroInput();
        }

        // Calculate bridgeFee for deposit amount
        uint256 bridgeFee = getBridgeFeeShare(msg.value);

        // Send the eth fee to the bridgeFeeCollector
        if (bridgeFee > 0) {
            bool success = payable(bridgeFeeCollector).send(bridgeFee);
            if (!success) revert TransferFailed();

            emit SweeperBridgeFeeCollected(
                bridgeFeeCollector,
                address(ETH_NATIVE_TOKEN_ADDRESS),
                bridgeFee
            );
        }

        // Remaining amount after bridge fee
        uint256 remainingAmount = msg.value - bridgeFee;

        // Sanity check amount
        if (remainingAmount == 0) {
            revert InvalidZeroInput();
        }

        // Deposit remaining amount to mint xezETH
        return _deposit(ETH_NATIVE_TOKEN_ADDRESS, remainingAmount, _minOut, _deadline);
    }

    /**
     * @notice  Accepts deposit for the user in depositToken and mints xezETH
     * @dev     This funcion allows anyone to call and deposit collateral for xezETH
     *          ezETH will be immediately minted based on the current price
     *          Funds will be held until sweep() is called.
     *          User calling this function should first approve the tokens to be pulled via transferFrom
     * @param   _amountIn  Amount of tokens to deposit
     * @param   _minOut  Minimum number of xezETH to accept to ensure slippage minimums
     * @param   _deadline  latest timestamp to accept this transaction
     * @return  uint256  Amount of xezETH minted to calling account
     */
    function deposit(
        IERC20 _token,
        uint256 _amountIn,
        uint256 _minOut,
        uint256 _deadline
    ) external nonReentrant returns (uint256) {
        // Verify the amount is valid
        if (_amountIn == 0) {
            revert InvalidZeroInput();
        }

        // Transfer deposit tokens from user to this contract
        _token.safeTransferFrom(msg.sender, address(this), _amountIn);

        // calculate bridgeFee for deposit amount
        uint256 bridgeFee = getBridgeFeeShare(_amountIn);

        // Send the fee to the bridgeFeeCollector
        if (bridgeFee > 0) {
            _token.safeTransfer(bridgeFeeCollector, bridgeFee);

            emit SweeperBridgeFeeCollected(bridgeFeeCollector, address(_token), bridgeFee);
        }

        // subtract from _amountIn
        _amountIn -= bridgeFee;

        // Get the ETH value of the token
        uint256 tokenEthValue = _getTokenEthValue(_token, _amountIn);
        if (tokenEthValue == 0) {
            revert InvalidZeroOutput();
        }

        // Special Case if the token is WETH... unwrap to ETH
        if (_token == IERC20(address(weth))) {
            // Unwrap WETH to ETH
            weth.withdraw(_amountIn);
        }

        return _deposit(_token, tokenEthValue, _minOut, _deadline);
    }

    /**
     * @notice  Internal function to trade deposit tokens
     * @dev     Deposit Tokens should be available in the contract before calling this function
     * @param   _token  Address of the token to be deposited
     * @param   _tokenEthValue  Amount of value priced in ETH
     * @param   _minOut  Minimum number of xezETH to accept to ensure slippage minimums
     * @param   _deadline  latest timestamp to accept this transaction
     * @return  uint256  Amount of xezETH minted to calling account
     */
    function _deposit(
        IERC20 _token,
        uint256 _tokenEthValue,
        uint256 _minOut,
        uint256 _deadline
    ) internal returns (uint256) {
        // Verify the token is supported
        if (!depositTokenSupported[_token]) {
            revert InvalidTokenReceived();
        }

        // Discount the value based on the time it takes to be sent across the bridge
        uint256 timeBasedDiscount = _getTokenTimeBasedDiscount(_token, _tokenEthValue);
        _tokenEthValue -= timeBasedDiscount;

        // Fetch price and timestamp of ezETH from the configured price feed
        (uint256 lastPrice, uint256 lastPriceTimestamp) = getMintRate();

        // Verify the price is not stale
        if (block.timestamp > lastPriceTimestamp + 1 days) {
            revert OraclePriceExpired();
        }

        // Calculate the amount of xezETH to mint - assumes 18 decimals for price and token
        uint256 xezETHAmount = (1e18 * _tokenEthValue) / lastPrice;

        // Check that the user will get the minimum amount of xezETH
        if (xezETHAmount < _minOut) {
            revert InsufficientOutputAmount();
        }

        // Verify the deadline has not passed
        if (block.timestamp > _deadline) {
            revert InvalidTimestamp(_deadline);
        }

        // Mint xezETH to the user
        IXERC20(address(xezETH)).mint(msg.sender, xezETHAmount);

        // Emit the event and return amount minted
        emit Deposit(msg.sender, _tokenEthValue, xezETHAmount);
        return xezETHAmount;
    }

    /**
     * @notice  Gets the ETH value of the deposit token
     * @dev     Assumes oracle price is in ETH and is 18 decimals
     * @return  uint256  ETH Value
     */
    function _getTokenEthValue(IERC20 _token, uint256 _amount) internal view returns (uint256) {
        AggregatorV3Interface oracle = tokenOracleLookup[_token];
        if (address(oracle) == address(0x0)) revert OracleNotFound();

        (, int256 price, , uint256 timestamp, ) = oracle.latestRoundData();
        if (block.timestamp > timestamp + 1 days) revert OraclePriceExpired();
        if (price <= 0) revert InvalidOraclePrice();

        // Calculate the value of the token in ETH - assumes both token and price are 18 decimals
        return (_amount * uint256(price)) / 1e18;
    }

    /**
     * @notice Function returns bridge fee share for deposit - includes percentage and flat fee
     * @param _amountIn deposit amount in terms of ETH
     */
    function getBridgeFeeShare(uint256 _amountIn) public view returns (uint256) {
        // deduct bridge Fee share
        if (_amountIn < sweepBatchSize) {
            return ((_amountIn * bridgeFeeShare) / FEE_BASIS) + flatBridgeFee;
        } else {
            return ((sweepBatchSize * bridgeFeeShare) / FEE_BASIS) + flatBridgeFee;
        }
    }

    /**
     * @notice  Gets the time based discount for the token amount
     * @dev     If the token takes 7 days to get across the bridge, the value will not be earning yield for 7 days so it must be discounted.
     *          The discount should include any staking and restaking yields that the token would have earned.
     * @param   _token  address of the token
     * @param   _tokenEthValue  ETH value of the token
     * @return  uint256  amount to be discounted by
     */
    function _getTokenTimeBasedDiscount(
        IERC20 _token,
        uint256 _tokenEthValue
    ) internal view returns (uint256) {
        // Calculate the time based discount
        return (tokenTimeDiscountBasisPoints[_token] * _tokenEthValue) / FEE_BASIS;
    }

    /**
     * @notice Fetch the price of ezETH from configured price feeds
     */
    function getMintRate() public view returns (uint256, uint256) {
        // revert if PriceFeedNotAvailable
        if (receiver == address(0)) revert PriceFeedNotAvailable();
        return (lastPrice, lastPriceTimestamp);
    }

    /**
     * @notice  Updates the price feed
     * @dev     This function will receive the price feed and timestamp from the L1 through CCIPReceiver middleware contract.
     *          It should verify the origin of the call and only allow permissioned source to call.
     * @param   _price The price of ezETH sent via L1.
     * @param   _timestamp The timestamp at which L1 sent the price.
     */
    function updatePrice(uint256 _price, uint256 _timestamp) external override {
        if (msg.sender != receiver) revert InvalidSender(receiver, msg.sender);
        _updatePrice(_price, _timestamp);
    }

    /**
     * @notice  Updates the price feed from the Owner account
     * @dev     Sets the last price and timestamp
     * @param   price  price of ezETH to ETH - 18 decimal precision
     */
    function updatePriceByOwner(uint256 price) external onlyOwner {
        return _updatePrice(price, block.timestamp);
    }

    /**
     * @notice  Internal function to update price
     * @dev     Sanity checks input values and updates prices
     * @param   _price  Current price of ezETH to ETH - 18 decimal precision
     * @param   _timestamp  The timestamp of the price update
     */
    function _updatePrice(uint256 _price, uint256 _timestamp) internal {
        _beforeUpdatePrice(_price, _timestamp);

        // Update values and emit event
        lastPrice = _price;
        lastPriceTimestamp = _timestamp;

        emit PriceUpdated(_price, _timestamp);
    }

    function _beforeUpdatePrice(uint256 _price, uint256 _timestamp) internal view {
        // Check for 0
        if (_price == 0) {
            revert InvalidZeroInput();
        }

        // check for undercollateralized price - < 1
        if (_price < 1 ether) {
            revert InvalidOraclePrice();
        }

        // Check for price divergence - more than 1%
        if (
            (_price > lastPrice && (_price - lastPrice) > (lastPrice / 100)) ||
            (_price < lastPrice && (lastPrice - _price) > (lastPrice / 100))
        ) {
            revert InvalidOraclePrice();
        }

        // Do not allow older price timestamps
        if (_timestamp <= lastPriceTimestamp) {
            revert InvalidTimestamp(_timestamp);
        }

        // Do not allow future timestamps
        if (_timestamp > block.timestamp) {
            revert InvalidTimestamp(_timestamp);
        }
    }

    /**
     * @notice  This function will take the balance of an asset in the contract and bridge it down to the L1
     * @dev     The L1 contract will unwrap, deposit in Renzo, and lock up the ezETH in the lockbox on L1
     *          The caller will estimate and pay the gas for the bridge call
     * @param   _token  Address of token to be swept to L1
     */
    function sweep(IERC20 _token) public payable nonReentrant {
        // Verify it is a supported token
        if (!depositTokenSupported[_token]) {
            revert InvalidTokenReceived();
        }

        // Get the balance of the asset in the contract
        uint256 balance = _token.balanceOf(address(this));

        // If there is not enough to bridge balance, revert
        if (balance <= MIN_DUST_BRIDGE) {
            revert InsufficientOutputAmount();
        }

        // Approve the token and route it to mainnet
        _token.safeIncreaseAllowance(address(valueTransferBridges[_token]), balance);

        // Include the msg.value to pay any bridge fees
        valueTransferBridges[_token].transferRemote{ value: msg.value }(
            mainnetDestinationDomain,
            mainnetRecipient.addressToBytes32(),
            balance
        );

        // Emit the event
        emit BridgeSwept(address(_token), balance, msg.sender);
    }

    /**
     * @notice  This function will take the balance ETH in the contract and bridge it down to the L1
     * @dev     The L1 contract will deposit in Renzo, and lock up the ezETH in the lockbox on L1
     *          The caller will estimate and pay the gas for the bridge call
     */
    function sweepETH() public payable nonReentrant {
        // Verify Native ETH is supported
        if (!depositTokenSupported[ETH_NATIVE_TOKEN_ADDRESS]) {
            revert InvalidTokenReceived();
        }

        // Get the balance of ETH in the contract minus the gas value
        uint256 valueToSend = address(this).balance - msg.value;

        // If there is not enough to bridge balance, revert
        if (valueToSend <= MIN_DUST_BRIDGE) {
            revert InsufficientOutputAmount();
        }

        // Send the full ETH available but specify the amount that should be bridged
        valueTransferBridges[ETH_NATIVE_TOKEN_ADDRESS].transferRemote{
            value: address(this).balance
        }(mainnetDestinationDomain, mainnetRecipient.addressToBytes32(), valueToSend);

        // Emit the event
        emit BridgeSwept(address(ETH_NATIVE_TOKEN_ADDRESS), valueToSend, msg.sender);
    }

    /**
     * @notice  Exposes the price via getRate()
     * @dev     This is required for a balancer pool to get the price of ezETH
     * @return  uint256  .
     */
    function getRate() external view override returns (uint256) {
        (uint256 _lastPrice, uint256 _lastPriceTimestamp) = getMintRate();
        if (block.timestamp > _lastPriceTimestamp + 1 days) {
            revert OraclePriceExpired();
        }
        return _lastPrice;
    }

    /**
     * @notice   Allows the owner to set the support for a deposit asset
     * @dev     Checks the token for 0 anb verifies the oracle is set properly if adding support
     * @param   _token  EC20 token
     * @param   _supported  Indicates if the token is supported for a deposit asset
     * @param   _tokenOracle  If supported, the oracle for the token to get pricing in ETH
     * @param   _valueTransferBridge  Middleware contract used to transfer asset through configured bridge
     */
    function setSupportedToken(
        IERC20 _token,
        bool _supported,
        AggregatorV3Interface _tokenOracle,
        IValueTransferBridge _valueTransferBridge
    ) external onlyOwner {
        // Verify the token is not 0
        if (address(_token) == address(0)) revert InvalidZeroInput();

        // Verify the token is 18 decimals if it is not ETH
        if (
            address(_token) != address(ETH_NATIVE_TOKEN_ADDRESS) &&
            IERC20MetadataUpgradeable(address(_token)).decimals() != 18
        ) revert InvalidTokenDecimals(18, IERC20MetadataUpgradeable(address(_token)).decimals());

        // Update support value
        depositTokenSupported[_token] = _supported;

        // If support is being added, verify the oracle
        if (_supported) {
            if (address(_tokenOracle) == address(0)) revert InvalidZeroInput();

            // Verify that the pricing of the oracle is to 18 decimals - pricing calculations will be off otherwise
            if (_tokenOracle.decimals() != 18)
                revert InvalidTokenDecimals(18, _tokenOracle.decimals());

            // Set the oracle lookup
            tokenOracleLookup[_token] = _tokenOracle;

            if (address(_valueTransferBridge) == address(0)) {
                revert InvalidZeroInput();
            }

            // Set the value transfer bridge
            valueTransferBridges[_token] = _valueTransferBridge;
        } else {
            // If not supported, set the oracle to 0
            tokenOracleLookup[_token] = AggregatorV3Interface(address(0));

            // If not supported, set the value transfer bridge to 0
            valueTransferBridges[_token] = IValueTransferBridge(address(0));
        }

        // Emit the event
        emit TokenSupportUpdated(
            address(_token),
            _supported,
            address(_tokenOracle),
            address(_valueTransferBridge)
        );
    }

    /**
     * @notice  Sweeps accidental ETH value sent to the contract
     * @dev     Restricted to be called by the Owner only.
     * @param   _amount  amount of native asset
     * @param   _to  destination address
     */
    function recoverNative(uint256 _amount, address _to) external onlyOwner {
        payable(_to).transfer(_amount);
    }

    /**
     * @notice  Sweeps accidental ERC20 value sent to the contract
     * @dev     Restricted to be called by the Owner only.
     * @param   _token  address of the ERC20 token
     * @param   _amount  amount of ERC20 token
     * @param   _to  destination address
     */
    function recoverERC20(address _token, uint256 _amount, address _to) external onlyOwner {
        IERC20(_token).safeTransfer(_to, _amount);
    }

    /******************************
     *  Admin/OnlyOwner functions
     *****************************/

    /**
     * @notice  This function sets/updates the Bridge Fee Collector address
     * @dev     This should be permissioned call (onlyOwner)
     * @param   _bridgeFeeCollector  new Bridge fee collector address
     */
    function setBridgeFeeCollector(address _bridgeFeeCollector) external onlyOwner {
        if (_bridgeFeeCollector == address(0)) revert InvalidZeroInput();
        emit BridgeFeeCollectorUpdated(bridgeFeeCollector, _bridgeFeeCollector);

        bridgeFeeCollector = _bridgeFeeCollector;
    }

    /**
     * @notice This function sets/updates the Receiver Price Feed Middleware for ezETH
     * @dev This should be permissioned call (onlyOnwer), can be set to address(0) for not configured
     * @param _receiver Receiver address
     */
    function setReceiverPriceFeed(address _receiver) external onlyOwner {
        emit ReceiverPriceFeedUpdated(_receiver, receiver);
        receiver = _receiver;
    }

    /**
     * @notice This function updates the BridgeFeeShare for depositors (must be <= 1% i.e. 100 bps)
     * @dev This should be a permissioned call (onlyOnwer)
     * @param _newShare new Bridge fee share in basis points where 100 basis points = 1%
     * @param _newFlatFee new flat fee charged for each deposit in addition to the % fee - in token units
     */
    function updateBridgeFeeShare(uint256 _newShare, uint256 _newFlatFee) external onlyOwner {
        if (_newShare > 100) revert InvalidBridgeFeeShare(_newShare);
        emit BridgeFeeShareUpdated(bridgeFeeShare, _newShare);
        bridgeFeeShare = _newShare;

        emit FlatBridgeFeeUpdated(flatBridgeFee, _newFlatFee);
        flatBridgeFee = _newFlatFee;
    }

    /**
     * @notice This function updates the Sweep Batch Size (must be >= 32 ETH)
     * @dev This should be a permissioned call (onlyOwner)
     * @param _newBatchSize new batch size for sweeping
     */
    function updateSweepBatchSize(uint256 _newBatchSize) external onlyOwner {
        if (_newBatchSize < 32 ether) revert InvalidSweepBatchSize(_newBatchSize);
        emit SweepBatchSizeUpdated(sweepBatchSize, _newBatchSize);
        sweepBatchSize = _newBatchSize;
    }

    /**
     * @notice  Updates the time based discount bps per token
     * @dev     This should be a permissioned call (onlyOwner)
     * @param   _token  address of the token
     * @param   _discount  time based discount in basis points where 100 basis points = 1%
     */
    function updateTokenTimeDiscount(IERC20 _token, uint256 _discount) external onlyOwner {
        // Verify the token is supported
        if (!depositTokenSupported[_token]) {
            revert InvalidTokenReceived();
        }

        // The discount should not be greater than 1%
        if (_discount > 100) revert OverMaxBasisPoints();

        // Get the discount currently set
        uint256 oldDiscount = tokenTimeDiscountBasisPoints[_token];

        // Update the discount and emit event
        tokenTimeDiscountBasisPoints[_token] = _discount;
        emit TokenTimeDiscountUpdated(address(_token), oldDiscount, _discount);
    }

    /**
     * @notice Fallback function to handle ETH sent to the contract from unwrapping WETH
     * @dev Warning: users should not send ETH directly to this contract!
     */
    receive() external payable {}
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface AggregatorV3Interface {
  function decimals() external view returns (uint8);

  function description() external view returns (string memory);

  function version() external view returns (uint256);

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

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

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity >=0.6.11;

library TypeCasts {
    // alignment preserving cast
    function addressToBytes32(address _addr) internal pure returns (bytes32) {
        return bytes32(uint256(uint160(_addr)));
    }

    // alignment preserving cast
    function bytes32ToAddress(bytes32 _buf) internal pure returns (address) {
        require(
            uint256(_buf) <= uint256(type(uint160).max),
            "TypeCasts: bytes32ToAddress overflow"
        );
        return address(uint160(uint256(_buf)));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.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 OwnableUpgradeable is Initializable, ContextUpgradeable {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    function __Ownable_init() internal onlyInitializing {
        __Ownable_init_unchained();
    }

    function __Ownable_init_unchained() internal onlyInitializing {
        _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. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling 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);
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.2;

import "../../utils/AddressUpgradeable.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```solidity
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 *
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
     * constructor.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _initialized = 1;
        if (isTopLevelCall) {
            _initializing = true;
        }
        _;
        if (isTopLevelCall) {
            _initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: setting the version to 255 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _initialized = version;
        _initializing = true;
        _;
        _initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized != type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint8) {
        return _initialized;
    }

    /**
     * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
     */
    function _isInitializing() internal view returns (bool) {
        return _initializing;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuardUpgradeable is Initializable {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    function __ReentrancyGuard_init() internal onlyInitializing {
        __ReentrancyGuard_init_unchained();
    }

    function __ReentrancyGuard_init_unchained() internal onlyInitializing {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20Upgradeable {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20Upgradeable.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20MetadataUpgradeable is IERC20Upgradeable {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library AddressUpgradeable {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)

pragma solidity ^0.8.0;
import {Initializable} from "../proxy/utils/Initializable.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 ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     *
     * CAUTION: See Security Considerations above.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
     * Revert on invalid signature.
     */
    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return
            success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;

interface IWeth {
    function deposit() external payable;

    function withdraw(uint256 value) external;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.27;

import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

interface IxRenzoDeposit {
    function deposit(
        IERC20 _token,
        uint256 _amountIn,
        uint256 _minOut,
        uint256 _deadline
    ) external returns (uint256);
    function sweep(IERC20 _token) external payable;

    function updatePrice(uint256 price, uint256 timestamp) external;
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.27;

interface IRenzoOracleL2 {
    function getMintRate() external view returns (uint256, uint256);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.27;

struct Quote {
    address token; // address(0) for the native token
    uint256 amount;
}

interface IValueTransferBridge {
    /**
     * @notice Transfer value to another domain
     * @param _destination The destination domain of the message
     * @param _recipient The message recipient address on `destination`
     * @param _amount The amount to send to the recipient
     * @return messageId The identifier of the dispatched message.
     */
    function transferRemote(
        uint32 _destination,
        bytes32 _recipient,
        uint256 _amount
    ) external payable returns (bytes32);

    /**
     * @notice Provide the value transfer quote
     * @param _destination The destination domain of the message
     * @param _recipient The message recipient address on `destination`
     * @param _amount The amount to send to the recipient
     * @return quotes Indicate how much of each token to approve and/or send.
     * @dev Good practice is to use the first entry of the quotes for the native currency (i.e. ETH)
     */
    function quoteTransferRemote(
        uint32 _destination,
        bytes32 _recipient,
        uint256 _amount
    ) external view returns (Quote[] memory quotes);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.27;

import "./IxRenzoDeposit.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "./Oracle/IRenzoOracleL2.sol";
import "../Connext/core/IWeth.sol";
import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";
import "./ValueTransfer/IValueTransferBridge.sol";

abstract contract xRenzoDepositNativeBridgeStorageV1 is IxRenzoDeposit {
    /// @notice The last timestamp the price was updated
    uint256 public lastPriceTimestamp;

    /// @notice The last price that was updated - denominated in ETH with 18 decimal precision
    uint256 public lastPrice;

    /// @notice The xezETH token address
    IERC20 public xezETH;

    /// @notice The receiver middleware contract address
    address public receiver;

    /// @notice The contract address where the bridge call should be sent on mainnet ETH
    address public bridgeTargetAddress;

    // bridge fee in basis points 100 basis points = 1%
    uint256 public bridgeFeeShare;

    // Batch size for sweeping
    uint256 public sweepBatchSize;

    // WETH token for wrapping ETH
    IWeth public weth;

    /// @dev Contracts that routes funds down to mainnet per token
    mapping(IERC20 => IValueTransferBridge) public valueTransferBridges;

    /// @dev The mainnet destination domain to receive bridge funds
    uint32 public mainnetDestinationDomain;

    /// @dev The contract on mainnet to receive bridge funds
    address public mainnetRecipient;

    // @dev Mapping of supported tokens
    mapping(IERC20 => bool) public depositTokenSupported;

    // @dev Mapping of token to oracle lookup
    mapping(IERC20 => AggregatorV3Interface) public tokenOracleLookup;

    // @dev Bridge fees are sent to the bridge fee collector
    address public bridgeFeeCollector;

    // @dev The mapping of token to time based discount in basis points - 100 basis points = 1%
    mapping(IERC20 => uint256) public tokenTimeDiscountBasisPoints;
}

abstract contract xRenzoDepositNativeBridgeStorageV2 is xRenzoDepositNativeBridgeStorageV1 {
    /// @dev A flat amount charged to each deposit in addition to the % fee (optional)
    uint256 public flatBridgeFee;
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity >=0.8.4 <0.9.0;

interface IXERC20 {
    /**
     * @notice Emits when a lockbox is set
     *
     * @param _lockbox The address of the lockbox
     */

    event LockboxSet(address _lockbox);

    /**
     * @notice Emits when a limit is set
     *
     * @param _mintingLimit The updated minting limit we are setting to the bridge
     * @param _burningLimit The updated burning limit we are setting to the bridge
     * @param _bridge The address of the bridge we are setting the limit too
     */
    event BridgeLimitsSet(uint256 _mintingLimit, uint256 _burningLimit, address indexed _bridge);

    /**
     * @notice Reverts when a user with too low of a limit tries to call mint/burn
     */

    error IXERC20_NotHighEnoughLimits();

    /**
     * @notice Reverts when caller is not the factory
     */

    error IXERC20_NotFactory();

    /**
     * @notice Reverts when mint or burn value is 0
     */

    error IXERC20_INVALID_0_VALUE();

    /**
     * @notice Contains the full minting and burning data for a particular bridge
     *
     * @param minterParams The minting parameters for the bridge
     * @param burnerParams The burning parameters for the bridge
     */
    struct Bridge {
        BridgeParameters minterParams;
        BridgeParameters burnerParams;
    }

    /**
     * @notice Contains the mint or burn parameters for a bridge
     *
     * @param timestamp The timestamp of the last mint/burn
     * @param ratePerSecond The rate per second of the bridge
     * @param maxLimit The max limit of the bridge
     * @param currentLimit The current limit of the bridge
     */
    struct BridgeParameters {
        uint256 timestamp;
        uint256 ratePerSecond;
        uint256 maxLimit;
        uint256 currentLimit;
    }

    /**
     * @notice Sets the lockbox address
     *
     * @param _lockbox The address of the lockbox
     */

    function setLockbox(address _lockbox) external;

    /**
     * @notice Updates the limits of any bridge
     * @dev Can only be called by the owner
     * @param _mintingLimit The updated minting limit we are setting to the bridge
     * @param _burningLimit The updated burning limit we are setting to the bridge
     * @param _bridge The address of the bridge we are setting the limits too
     */
    function setLimits(address _bridge, uint256 _mintingLimit, uint256 _burningLimit) external;

    /**
     * @notice Returns the max limit of a minter
     *
     * @param _minter The minter we are viewing the limits of
     *  @return _limit The limit the minter has
     */
    function mintingMaxLimitOf(address _minter) external view returns (uint256 _limit);

    /**
     * @notice Returns the max limit of a bridge
     *
     * @param _bridge the bridge we are viewing the limits of
     * @return _limit The limit the bridge has
     */

    function burningMaxLimitOf(address _bridge) external view returns (uint256 _limit);

    /**
     * @notice Returns the current limit of a minter
     *
     * @param _minter The minter we are viewing the limits of
     * @return _limit The limit the minter has
     */

    function mintingCurrentLimitOf(address _minter) external view returns (uint256 _limit);

    /**
     * @notice Returns the current limit of a bridge
     *
     * @param _bridge the bridge we are viewing the limits of
     * @return _limit The limit the bridge has
     */

    function burningCurrentLimitOf(address _bridge) external view returns (uint256 _limit);

    /**
     * @notice Mints tokens for a user
     * @dev Can only be called by a minter
     * @param _user The address of the user who needs tokens minted
     * @param _amount The amount of tokens being minted
     */

    function mint(address _user, uint256 _amount) external;

    /**
     * @notice Burns tokens for a user
     * @dev Can only be called by a minter
     * @param _user The address of the user who needs tokens burned
     * @param _amount The amount of tokens being burned
     */

    function burn(address _user, uint256 _amount) external;

    function owner() external view returns (address);
    function balanceOf(address _user) external view returns (uint256);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.27;

/// @dev Error for 0x0 address inputs
error InvalidZeroInput();

/// @dev Error for already added items to a list
error AlreadyAdded();

/// @dev Error for not found items in a list
error NotFound();

/// @dev Error for hitting max TVL
error MaxTVLReached();

/// @dev Error for caller not having permissions
error NotRestakeManagerAdmin();

/// @dev Error for call not coming from deposit queue contract
error NotDepositQueue();

/// @dev Error for contract being paused
error ContractPaused();

/// @dev Error for exceeding max basis points (100%)
error OverMaxBasisPoints();

/// @dev Error for invalid token decimals for collateral tokens (must be 18)
error InvalidTokenDecimals(uint8 expected, uint8 actual);

/// @dev Error when withdraw is already completed
error WithdrawAlreadyCompleted();

/// @dev Error when a different address tries to complete withdraw
error NotOriginalWithdrawCaller(address expectedCaller);

/// @dev Error when caller does not have OD admin role
error NotOperatorDelegatorAdmin();

/// @dev Error when caller does not have Oracle Admin role
error NotOracleAdmin();

/// @dev Error when caller is not RestakeManager contract
error NotRestakeManager();

/// @dev Errror when caller does not have ETH Restake Admin role
error NotNativeEthRestakeAdmin();

/// @dev Error when delegation address was already set - cannot be set again
error DelegateAddressAlreadySet();

/// @dev Error when caller does not have ERC20 Rewards Admin role
error NotERC20RewardsAdmin();

/// @dev Error when sending ETH fails
error TransferFailed();

/// @dev Error when caller does not have ETH Minter Burner Admin role
error NotEzETHMinterBurner();

/// @dev Error when caller does not have Token Admin role
error NotTokenAdmin();

/// @dev Error when price oracle is not configured
error OracleNotFound();

/// @dev Error when price oracle data is stale
error OraclePriceExpired();

/// @dev Error when array lengths do not match
error MismatchedArrayLengths();

/// @dev Error when caller does not have Deposit Withdraw Pauser role
error NotDepositWithdrawPauser();

/// @dev Error when an individual token TVL is over the max
error MaxTokenTVLReached();

/// @dev Error when Oracle price is invalid
error InvalidOraclePrice();

/// @dev Error when calling an invalid function
error NotImplemented();

/// @dev Error when calculating token amounts is invalid
error InvalidTokenAmount();

/// @dev Error when timestamp is invalid - likely in the past
error InvalidTimestamp(uint256 timestamp);

/// @dev Error when trade does not meet minimum output amount
error InsufficientOutputAmount();

/// @dev Error when the token received over the bridge is not the one expected
error InvalidTokenReceived();

/// @dev Error when the origin address is not whitelisted
error InvalidOrigin();

/// @dev Error when the sender is not expected
error InvalidSender(address expectedSender, address actualSender);

/// @dev error when function returns 0 amount
error InvalidZeroOutput();

/// @dev error when xRenzoBridge does not have enough balance to pay for fee
error NotEnoughBalance(uint256 currentBalance, uint256 calculatedFees);

/// @dev error when source chain is not expected
error InvalidSourceChain(uint64 expectedCCIPChainSelector, uint64 actualCCIPChainSelector);

/// @dev Error when an unauthorized address tries to call the bridge function on the L2
error UnauthorizedBridgeSweeper();

/// @dev Error when caller does not have BRIDGE_ADMIN role
error NotBridgeAdmin();

/// @dev Error when caller does not have PRICE_FEED_SENDER role
error NotPriceFeedSender();

/// @dev Error for connext price Feed unauthorised call
error UnAuthorisedCall();

/// @dev Error for no price feed configured on L2
error PriceFeedNotAvailable();

/// @dev Error for invalid bridge fee share configuration
error InvalidBridgeFeeShare(uint256 bridgeFee);

/// @dev Error for invalid sweep batch size
error InvalidSweepBatchSize(uint256 batchSize);

/// @dev Error when caller does not have Withdraw Queue admin role
error NotWithdrawQueueAdmin();

/// @dev Error when caller try to withdraw more than Buffer
error NotEnoughWithdrawBuffer();

/// @dev Error when caller try to claim withdraw before cooldown period
error EarlyClaim();

/// @dev Error when caller try to withdraw for unsupported asset
error UnsupportedWithdrawAsset();

/// @dev Error when caller try to claim invalidWithdrawIndex
error InvalidWithdrawIndex();

/// @dev Error when TVL was expected to be 0
error InvalidTVL();

/// @dev Error when incorrect BeaconChainStrategy is set for LST in completeQueuedWithdrawal
error IncorrectStrategy();

/// @dev Error when adding new OperatorDelegator which is not delegated
error OperatoDelegatorNotDelegated();

/// @dev Error when emergency tracking already tracked withdrawal
error WithdrawalAlreadyTracked();

/// @dev Error when emergency tracking already completed withdrawal
error WithdrawalAlreadyCompleted();

/// @dev Error when caller does not have Emergency Withdraw Tracking Admin role
error NotEmergencyWithdrawTrackingAdmin();

/// @dev Error when strategy does not have specified underlying
error InvalidStrategy();

/// @dev Error when strategy already set and hold non zero token balance
error NonZeroUnderlyingStrategyExist();

/// @dev Error when caller tried to claim queued withdrawal when not filled
error QueuedWithdrawalNotFilled();

/// @dev Error when caller does not have EigenLayerRewardsAdmin role
error NotEigenLayerRewardsAdmin();

/// @dev Error when rewardsDestination is not configured while trying to claim
error RewardsDestinationNotConfigured();

/// @dev Error when WETHUnwrapper is not configured while trying to claim WETH restaking rewards
error WETHUnwrapperNotConfigured();

/// @dev Error when currentCheckpoint is not accounted by OperatorDelegator
error CheckpointAlreadyActive();

/// @dev Error when specified checkpoint is already recorded
error CheckpointAlreadyRecorded();

/// @dev Error when caller does not have Emergency Checkpoint Tracking admin role
error NotEmergencyCheckpointTrackingAdmin();

/// @dev Error when last completed checkpoint on EigenPod is not recorded in OperatorDelegator
error CheckpointNotRecorded();

/// @dev Error when non pauser tries to change pause state
error NotPauser();

/// @dev Error when user tried to withdraw asset more than available in protocol collateral
error NotEnoughCollateralValue();

/// @dev Error when admin tries to disable asset withdraw queue which is not enabled
error WithdrawQueueNotEnabled();

/// @dev Error when admin tries to enable erc20 withdraw queue for IS_NATIVE address
error IsNativeAddressNotAllowed();

/// @dev Error when admin tried to complete queued withdrawal with receiveAsShares
error OnlyReceiveAsTokenAllowed();

/// @dev Error when Withdrawal is not queued
error WithdrawalNotQueued();

/// @dev Error when admin tries to track Withdraw of different staker
error InvalidStakerAddress();

/// @dev Error when caller does not have Emergency track AVS ETH slashing admin role
error NotEmergencyTrackAVSEthSlashingAdmin();

/// @dev Error when below the limit
error BelowAllowedLimit();

/// @dev Error when gas refund address is not set in DepositQueue
error GasRefundAddressNotSet();

/// @dev Error when withdraw requests are paused.
error WithdrawRequestPaused();

/// @dev Error when withdraw claims are paused.
error ClaimPaused();

// SPDX-License-Identifier: GPL-3.0-or-later
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

pragma solidity 0.8.27;

interface IRateProvider {
    function getRate() external view returns (uint256);
}

{
  "evmVersion": "paris",
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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IERC20","name":"_token","type":"address"},{"internalType":"uint256","name":"_discount","type":"uint256"}],"name":"updateTokenTimeDiscount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"name":"valueTransferBridges","outputs":[{"internalType":"contract IValueTransferBridge","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"weth","outputs":[{"internalType":"contract IWeth","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"xezETH","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]

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