Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

import { IERC20 } from "@openzeppelin/contracts-0.8/token/ERC20/IERC20.sol";
import { SafeERC20 } from "@openzeppelin/contracts-0.8/token/ERC20/utils/SafeERC20.sol";
import { IAuraLocker } from "../interfaces/IAuraLocker.sol";
import { CrossChainMessages as CCM } from "./CrossChainMessages.sol";
import { PausableProxyOFT } from "./PausableProxyOFT.sol";

/**
 * @title   AuraProxyOFT
 * @author  AuraFinance
 * @dev     Send and receive AURA to and from all the Sidechains and receives
 * 		    lock requests from the sidechains
 */
contract AuraProxyOFT is PausableProxyOFT {
    using SafeERC20 for IERC20;

    /* -------------------------------------------------------------------
       Storage 
    ------------------------------------------------------------------- */

    /// @dev Aura Locker contract address
    address public immutable locker;

    /* -------------------------------------------------------------------
       Constructor 
    ------------------------------------------------------------------- */
    /**
     * @dev Constructs the AuraProxyOFT contract
     * @param _lzEndpoint   LayerZero endpoint contract
     * @param _token        The proxied token (auraBAL)
     * @param _locker       The Aura Locker contract address
     * @param _guardian     The pause guardian address
     * @param _sudo         The super user address
     * @param _inflowLimit  Initial inflow limit per epoch
     */
    constructor(
        address _lzEndpoint,
        address _token,
        address _locker,
        address _guardian,
        address _sudo,
        uint256 _inflowLimit
    ) PausableProxyOFT(_token, _sudo, _inflowLimit) {
        locker = _locker;

        _initializeLzApp(_lzEndpoint);
        _initializePauseGuardian(_guardian);

        IERC20(_token).safeApprove(_locker, type(uint256).max);
    }

    /* -------------------------------------------------------------------
       Core Functions
    ------------------------------------------------------------------- */

    /**
     * @dev Lock tokens in the Locker contract
     * @param _sender Address that is locking
     * @param _amount Amount to lock
     */
    function _lockFor(
        uint16 _srcChainId,
        address _sender,
        uint256 _amount
    ) internal {
        if (IAuraLocker(locker).isShutdown() || paused()) {
            _safeCreditTo(_srcChainId, _sender, _amount);
        } else {
            IAuraLocker(locker).lock(_sender, _amount);
        }
    }

    /* -------------------------------------------------------------------
      Layer Zero functions L1 -> L2
    ------------------------------------------------------------------- */

    /**
     * @dev Override the default OFT lzReceive function logic
     */
    function _nonblockingLzReceive(
        uint16 _srcChainId,
        bytes memory _srcAddress,
        uint64 _nonce,
        bytes memory _payload
    ) internal virtual override {
        if (CCM.isCustomMessage(_payload)) {
            // The payload is a specific cross chain message we decode
            // the type to determine what the message is an continue
            CCM.MessageType messageType = CCM.getMessageType(_payload);
            if (messageType == CCM.MessageType.LOCK) {
                // Receiving a lock request from the L2. We decode
                // The payload to get the sender and the amount to lock
                (address sender, uint256 amount) = CCM.decodeLock(_payload);
                _lockFor(_srcChainId, sender, amount);
            }
        } else {
            // The message is not a specific cross chain message so we just
            // fallback to the normal LZ OFT flow
            super._nonblockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/Pausable.sol)

pragma solidity ^0.8.0;

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

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

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

    bool private _paused;

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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 `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, 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 `sender` to `recipient` 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 sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.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;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    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));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    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");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    /**
     * @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");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

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

pragma solidity ^0.8.0;

/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 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://diligence.consensys.net/posts/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/v0.5.11/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 functionCall(target, data, "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");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(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) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason 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 {
            // 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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

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

pragma solidity ^0.8.0;

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

// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

interface IAuraLocker {
    function isShutdown() external view returns (bool);

    function lock(address _account, uint256 _amount) external;

    function checkpointEpoch() external;

    function epochCount() external view returns (uint256);

    function balanceAtEpochOf(uint256 _epoch, address _user) external view returns (uint256 amount);

    function totalSupplyAtEpoch(uint256 _epoch) external view returns (uint256 supply);

    function queueNewRewards(address _rewardsToken, uint256 reward) external;

    function getReward(address _account, bool _stake) external;

    function getReward(address _account) external;
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.11;

import "./ILayerZeroUserApplicationConfig.sol";

interface ILayerZeroEndpoint is ILayerZeroUserApplicationConfig {
    // @notice send a LayerZero message to the specified address at a LayerZero endpoint.
    // @param _dstChainId - the destination chain identifier
    // @param _destination - the address on destination chain (in bytes). address length/format may vary by chains
    // @param _payload - a custom bytes payload to send to the destination contract
    // @param _refundAddress - if the source transaction is cheaper than the amount of value passed,
    //                         refund the additional amount to this address
    // @param _zroPaymentAddress - the address of the ZRO token holder who would pay for the transaction
    // @param _adapterParams - parameters for custom functionality. e.g. receive airdropped native gas from the
    //                         relayer on destination
    function send(
        uint16 _dstChainId,
        bytes calldata _destination,
        bytes calldata _payload,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes calldata _adapterParams
    ) external payable;

    // @notice used by the messaging library to publish verified payload
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source contract (as bytes) at the source chain
    // @param _dstAddress - the address on destination chain
    // @param _nonce - the unbound message ordering nonce
    // @param _gasLimit - the gas limit for external contract execution
    // @param _payload - verified payload to send to the destination contract
    function receivePayload(
        uint16 _srcChainId,
        bytes calldata _srcAddress,
        address _dstAddress,
        uint64 _nonce,
        uint256 _gasLimit,
        bytes calldata _payload
    ) external;

    // @notice get the inboundNonce of a lzApp from a source chain which could be EVM or non-EVM chain
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source chain contract address
    function getInboundNonce(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (uint64);

    // @notice get the outboundNonce from this source chain which, consequently, is always an EVM
    // @param _srcAddress - the source chain contract address
    function getOutboundNonce(uint16 _dstChainId, address _srcAddress) external view returns (uint64);

    // @notice gets a quote in source native gas, for the amount that send() requires to pay for message delivery
    // @param _dstChainId - the destination chain identifier
    // @param _userApplication - the user app address on this EVM chain
    // @param _payload - the custom message to send over LayerZero
    // @param _payInZRO - if false, user app pays the protocol fee in native token
    // @param _adapterParam - parameters for the adapter service, e.g. send some dust native token to dstChain
    function estimateFees(
        uint16 _dstChainId,
        address _userApplication,
        bytes calldata _payload,
        bool _payInZRO,
        bytes calldata _adapterParam
    ) external view returns (uint256 nativeFee, uint256 zroFee);

    // @notice get this Endpoint's immutable source identifier
    function getChainId() external view returns (uint16);

    // @notice the interface to retry failed message on this Endpoint destination
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source chain contract address
    // @param _payload - the payload to be retried
    function retryPayload(
        uint16 _srcChainId,
        bytes calldata _srcAddress,
        bytes calldata _payload
    ) external;

    // @notice query if any STORED payload (message blocking) at the endpoint.
    // @param _srcChainId - the source chain identifier
    // @param _srcAddress - the source chain contract address
    function hasStoredPayload(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool);

    // @notice query if the _libraryAddress is valid for sending msgs.
    // @param _userApplication - the user app address on this EVM chain
    function getSendLibraryAddress(address _userApplication) external view returns (address);

    // @notice query if the _libraryAddress is valid for receiving msgs.
    // @param _userApplication - the user app address on this EVM chain
    function getReceiveLibraryAddress(address _userApplication) external view returns (address);

    // @notice query if the non-reentrancy guard for send() is on
    // @return true if the guard is on. false otherwise
    function isSendingPayload() external view returns (bool);

    // @notice query if the non-reentrancy guard for receive() is on
    // @return true if the guard is on. false otherwise
    function isReceivingPayload() external view returns (bool);

    // @notice get the configuration of the LayerZero messaging library of the specified version
    // @param _version - messaging library version
    // @param _chainId - the chainId for the pending config change
    // @param _userApplication - the contract address of the user application
    // @param _configType - type of configuration. every messaging library has its own convention.
    function getConfig(
        uint16 _version,
        uint16 _chainId,
        address _userApplication,
        uint256 _configType
    ) external view returns (bytes memory);

    // @notice get the send() LayerZero messaging library version
    // @param _userApplication - the contract address of the user application
    function getSendVersion(address _userApplication) external view returns (uint16);

    // @notice get the lzReceive() LayerZero messaging library version
    // @param _userApplication - the contract address of the user application
    function getReceiveVersion(address _userApplication) external view returns (uint16);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.11;

interface ILayerZeroReceiver {
    // @notice LayerZero endpoint will invoke this function to deliver the message on the destination
    // @param _srcChainId - the source endpoint identifier
    // @param _srcAddress - the source sending contract address from the source chain
    // @param _nonce - the ordered message nonce
    // @param _payload - the signed payload is the UA bytes has encoded to be sent
    function lzReceive(
        uint16 _srcChainId,
        bytes calldata _srcAddress,
        uint64 _nonce,
        bytes calldata _payload
    ) external;
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.11;

interface ILayerZeroUserApplicationConfig {
    // @notice set the configuration of the LayerZero messaging library of the specified version
    // @param _version - messaging library version
    // @param _chainId - the chainId for the pending config change
    // @param _configType - type of configuration. every messaging library has its own convention.
    // @param _config - configuration in the bytes. can encode arbitrary content.
    function setConfig(
        uint16 _version,
        uint16 _chainId,
        uint256 _configType,
        bytes calldata _config
    ) external;

    // @notice set the send() LayerZero messaging library version to _version
    // @param _version - new messaging library version
    function setSendVersion(uint16 _version) external;

    // @notice set the lzReceive() LayerZero messaging library version to _version
    // @param _version - new messaging library version
    function setReceiveVersion(uint16 _version) external;

    // @notice Only when the UA needs to resume the message flow in blocking mode and clear the stored payload
    // @param _srcChainId - the chainId of the source chain
    // @param _srcAddress - the contract address of the source contract at the source chain
    function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external;
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.11;

import "@openzeppelin/contracts-0.8/access/Ownable.sol";
import "../interfaces/ILayerZeroReceiver.sol";
import "../interfaces/ILayerZeroUserApplicationConfig.sol";
import "../interfaces/ILayerZeroEndpoint.sol";
import "../util/BytesLib.sol";

/*
 * a generic LzReceiver implementation
 */
abstract contract LzApp is Ownable, ILayerZeroReceiver, ILayerZeroUserApplicationConfig {
    using BytesLib for bytes;

    // ua can not send payload larger than this by default, but it can be changed by the ua owner
    uint256 public constant DEFAULT_PAYLOAD_SIZE_LIMIT = 10000;

    ILayerZeroEndpoint public lzEndpoint;
    mapping(uint16 => bytes) public trustedRemoteLookup;
    mapping(uint16 => mapping(uint16 => uint256)) public minDstGasLookup;
    mapping(uint16 => uint256) public payloadSizeLimitLookup;
    address public precrime;

    event SetPrecrime(address precrime);
    event SetTrustedRemote(uint16 _remoteChainId, bytes _path);
    event SetTrustedRemoteAddress(uint16 _remoteChainId, bytes _remoteAddress);
    event SetMinDstGas(uint16 _dstChainId, uint16 _type, uint256 _minDstGas);

    function _initializeLzApp(address _endpoint) internal {
        require(address(lzEndpoint) == address(0), "already initialized");
        require(_endpoint != address(0), "endpoint=0");
        lzEndpoint = ILayerZeroEndpoint(_endpoint);
    }

    function lzReceive(
        uint16 _srcChainId,
        bytes calldata _srcAddress,
        uint64 _nonce,
        bytes calldata _payload
    ) public virtual override {
        // lzReceive must be called by the endpoint for security
        require(_msgSender() == address(lzEndpoint), "LzApp: invalid endpoint caller");

        bytes memory trustedRemote = trustedRemoteLookup[_srcChainId];
        // if will still block the message pathway from (srcChainId, srcAddress).
        // should not receive message from untrusted remote.
        require(
            _srcAddress.length == trustedRemote.length &&
                trustedRemote.length > 0 &&
                keccak256(_srcAddress) == keccak256(trustedRemote),
            "LzApp: invalid source sending contract"
        );

        _blockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload);
    }

    // abstract function - the default behaviour of LayerZero is blocking.
    // See: NonblockingLzApp if you dont need to enforce ordered messaging
    function _blockingLzReceive(
        uint16 _srcChainId,
        bytes memory _srcAddress,
        uint64 _nonce,
        bytes memory _payload
    ) internal virtual;

    function _lzSend(
        uint16 _dstChainId,
        bytes memory _payload,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes memory _adapterParams,
        uint256 _nativeFee
    ) internal virtual {
        bytes memory trustedRemote = trustedRemoteLookup[_dstChainId];
        require(trustedRemote.length != 0, "LzApp: destination chain is not a trusted source");
        _checkPayloadSize(_dstChainId, _payload.length);
        lzEndpoint.send{ value: _nativeFee }(
            _dstChainId,
            trustedRemote,
            _payload,
            _refundAddress,
            _zroPaymentAddress,
            _adapterParams
        );
    }

    function _checkGasLimit(
        uint16 _dstChainId,
        uint16 _type,
        bytes memory _adapterParams,
        uint256 _extraGas
    ) internal view virtual {
        uint256 providedGasLimit = _getGasLimit(_adapterParams);
        uint256 minGasLimit = minDstGasLookup[_dstChainId][_type] + _extraGas;
        require(minGasLimit > 0, "LzApp: minGasLimit not set");
        require(providedGasLimit >= minGasLimit, "LzApp: gas limit is too low");
    }

    function _getGasLimit(bytes memory _adapterParams) internal pure virtual returns (uint256 gasLimit) {
        require(_adapterParams.length >= 34, "LzApp: invalid adapterParams");
        assembly {
            gasLimit := mload(add(_adapterParams, 34))
        }
    }

    function _checkPayloadSize(uint16 _dstChainId, uint256 _payloadSize) internal view virtual {
        uint256 payloadSizeLimit = payloadSizeLimitLookup[_dstChainId];
        if (payloadSizeLimit == 0) {
            // use default if not set
            payloadSizeLimit = DEFAULT_PAYLOAD_SIZE_LIMIT;
        }
        require(_payloadSize <= payloadSizeLimit, "LzApp: payload size is too large");
    }

    //---------------------------UserApplication config----------------------------------------
    function getConfig(
        uint16 _version,
        uint16 _chainId,
        address,
        uint256 _configType
    ) external view returns (bytes memory) {
        return lzEndpoint.getConfig(_version, _chainId, address(this), _configType);
    }

    // generic config for LayerZero user Application
    function setConfig(
        uint16 _version,
        uint16 _chainId,
        uint256 _configType,
        bytes calldata _config
    ) external override onlyOwner {
        lzEndpoint.setConfig(_version, _chainId, _configType, _config);
    }

    function setSendVersion(uint16 _version) external override onlyOwner {
        lzEndpoint.setSendVersion(_version);
    }

    function setReceiveVersion(uint16 _version) external override onlyOwner {
        lzEndpoint.setReceiveVersion(_version);
    }

    function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external override onlyOwner {
        lzEndpoint.forceResumeReceive(_srcChainId, _srcAddress);
    }

    // _path = abi.encodePacked(remoteAddress, localAddress)
    // this function set the trusted path for the cross-chain communication
    function setTrustedRemote(uint16 _srcChainId, bytes calldata _path) external onlyOwner {
        trustedRemoteLookup[_srcChainId] = _path;
        emit SetTrustedRemote(_srcChainId, _path);
    }

    function setTrustedRemoteAddress(uint16 _remoteChainId, bytes calldata _remoteAddress) external onlyOwner {
        trustedRemoteLookup[_remoteChainId] = abi.encodePacked(_remoteAddress, address(this));
        emit SetTrustedRemoteAddress(_remoteChainId, _remoteAddress);
    }

    function getTrustedRemoteAddress(uint16 _remoteChainId) external view returns (bytes memory) {
        bytes memory path = trustedRemoteLookup[_remoteChainId];
        require(path.length != 0, "LzApp: no trusted path record");
        return path.slice(0, path.length - 20); // the last 20 bytes should be address(this)
    }

    function setPrecrime(address _precrime) external onlyOwner {
        precrime = _precrime;
        emit SetPrecrime(_precrime);
    }

    function setMinDstGas(
        uint16 _dstChainId,
        uint16 _packetType,
        uint256 _minGas
    ) external onlyOwner {
        require(_minGas > 0, "LzApp: invalid minGas");
        minDstGasLookup[_dstChainId][_packetType] = _minGas;
        emit SetMinDstGas(_dstChainId, _packetType, _minGas);
    }

    // if the size is 0, it means default size limit
    function setPayloadSizeLimit(uint16 _dstChainId, uint256 _size) external onlyOwner {
        payloadSizeLimitLookup[_dstChainId] = _size;
    }

    //--------------------------- VIEW FUNCTION ----------------------------------------
    function isTrustedRemote(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool) {
        bytes memory trustedSource = trustedRemoteLookup[_srcChainId];
        return keccak256(trustedSource) == keccak256(_srcAddress);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.11;

import "./LzApp.sol";
import "../util/ExcessivelySafeCall.sol";

/*
 * the default LayerZero messaging behaviour is blocking, i.e. any failed message will block the channel
 * this abstract class try-catch all fail messages and store locally for future retry. hence, non-blocking
 * NOTE: if the srcAddress is not configured properly,
 * it will still block the message pathway from (srcChainId, srcAddress)
 */
abstract contract NonblockingLzApp is LzApp {
    using ExcessivelySafeCall for address;

    mapping(uint16 => mapping(bytes => mapping(uint64 => bytes32))) public failedMessages;

    event MessageFailed(uint16 _srcChainId, bytes _srcAddress, uint64 _nonce, bytes _payload, bytes _reason);
    event RetryMessageSuccess(uint16 _srcChainId, bytes _srcAddress, uint64 _nonce, bytes32 _payloadHash);

    // overriding the virtual function in LzReceiver
    function _blockingLzReceive(
        uint16 _srcChainId,
        bytes memory _srcAddress,
        uint64 _nonce,
        bytes memory _payload
    ) internal virtual override {
        (bool success, bytes memory reason) = address(this).excessivelySafeCall(
            gasleft(),
            150,
            abi.encodeWithSelector(this.nonblockingLzReceive.selector, _srcChainId, _srcAddress, _nonce, _payload)
        );
        // try-catch all errors/exceptions
        if (!success) {
            _storeFailedMessage(_srcChainId, _srcAddress, _nonce, _payload, reason);
        }
    }

    function _storeFailedMessage(
        uint16 _srcChainId,
        bytes memory _srcAddress,
        uint64 _nonce,
        bytes memory _payload,
        bytes memory _reason
    ) internal virtual {
        failedMessages[_srcChainId][_srcAddress][_nonce] = keccak256(_payload);
        emit MessageFailed(_srcChainId, _srcAddress, _nonce, _payload, _reason);
    }

    function nonblockingLzReceive(
        uint16 _srcChainId,
        bytes calldata _srcAddress,
        uint64 _nonce,
        bytes calldata _payload
    ) public virtual {
        // only internal transaction
        require(_msgSender() == address(this), "NonblockingLzApp: caller must be LzApp");
        _nonblockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload);
    }

    //@notice override this function
    function _nonblockingLzReceive(
        uint16 _srcChainId,
        bytes memory _srcAddress,
        uint64 _nonce,
        bytes memory _payload
    ) internal virtual;

    function retryMessage(
        uint16 _srcChainId,
        bytes calldata _srcAddress,
        uint64 _nonce,
        bytes calldata _payload
    ) public payable virtual {
        // assert there is message to retry
        bytes32 payloadHash = failedMessages[_srcChainId][_srcAddress][_nonce];
        require(payloadHash != bytes32(0), "NonblockingLzApp: no stored message");
        require(keccak256(_payload) == payloadHash, "NonblockingLzApp: invalid payload");
        // clear the stored message
        failedMessages[_srcChainId][_srcAddress][_nonce] = bytes32(0);
        // execute the message. revert if it fails again
        _nonblockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload);
        emit RetryMessageSuccess(_srcChainId, _srcAddress, _nonce, payloadHash);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.11;

import "../OFTCore.sol";
import "@openzeppelin/contracts-0.8/token/ERC20/utils/SafeERC20.sol";

contract ProxyOFT is OFTCore {
    using SafeERC20 for IERC20;

    IERC20 internal immutable innerToken;

    constructor(address _token) {
        innerToken = IERC20(_token);
    }

    function circulatingSupply() public view virtual override returns (uint256) {
        unchecked {
            return innerToken.totalSupply() - innerToken.balanceOf(address(this));
        }
    }

    function token() public view virtual override returns (address) {
        return address(innerToken);
    }

    function _debitFrom(
        address _from,
        uint16,
        bytes memory,
        uint256 _amount
    ) internal virtual override returns (uint256) {
        require(_from == _msgSender(), "ProxyOFT: owner is not send caller");
        uint256 before = innerToken.balanceOf(address(this));
        innerToken.safeTransferFrom(_from, address(this), _amount);
        return innerToken.balanceOf(address(this)) - before;
    }

    function _creditTo(
        uint16,
        address _toAddress,
        uint256 _amount
    ) internal virtual override returns (uint256) {
        uint256 before = innerToken.balanceOf(_toAddress);
        innerToken.safeTransfer(_toAddress, _amount);
        return innerToken.balanceOf(_toAddress) - before;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.11;

import "@openzeppelin/contracts-0.8/utils/introspection/IERC165.sol";

/**
 * @dev Interface of the IOFT core standard
 */
interface IOFTCore is IERC165 {
    /**
     * @dev estimate send token `_tokenId` to (`_dstChainId`, `_toAddress`)
     * _dstChainId - L0 defined chain id to send tokens too
     * _toAddress - dynamic bytes array which contains the address to whom you are sending tokens to on the dstChain
     * _amount - amount of the tokens to transfer
     * _useZro - indicates to use zro to pay L0 fees
     * _adapterParam - flexible bytes array to indicate messaging adapter services in L0
     */
    function estimateSendFee(
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint256 _amount,
        bool _useZro,
        bytes calldata _adapterParams
    ) external view returns (uint256 nativeFee, uint256 zroFee);

    /**
     * @dev send `_amount` amount of token to (`_dstChainId`, `_toAddress`) from `_from`
     * `_from` the owner of token
     * `_dstChainId` the destination chain identifier
     * `_toAddress` can be any size depending on the `dstChainId`.
     * `_amount` the quantity of tokens in wei
     * `_refundAddress` the address LayerZero refunds if too much message fee is sent
     * `_zroPaymentAddress` set to address(0x0) if not paying in ZRO (LayerZero Token)
     * `_adapterParams` is a flexible bytes array to indicate messaging adapter services
     */
    function sendFrom(
        address _from,
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint256 _amount,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes calldata _adapterParams
    ) external payable;

    /**
     * @dev returns the circulating amount of tokens on current chain
     */
    function circulatingSupply() external view returns (uint256);

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

    /**
     * @dev Emitted when `_amount` tokens are moved from the `_sender` to (`_dstChainId`, `_toAddress`)
     * `_nonce` is the outbound nonce
     */
    event SendToChain(uint16 indexed _dstChainId, address indexed _from, bytes _toAddress, uint256 _amount);

    /**
     * @dev Emitted when `_amount` tokens are received from `_srcChainId` into the `_toAddress` on the local chain.
     * `_nonce` is the inbound nonce.
     */
    event ReceiveFromChain(uint16 indexed _srcChainId, address indexed _to, uint256 _amount);

    event SetUseCustomAdapterParams(bool _useCustomAdapterParams);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.11;

import "../../lzApp/NonblockingLzApp.sol";
import "./IOFTCore.sol";
import "@openzeppelin/contracts-0.8/utils/introspection/ERC165.sol";

abstract contract OFTCore is NonblockingLzApp, ERC165, IOFTCore {
    using BytesLib for bytes;

    uint256 public constant NO_EXTRA_GAS = 0;

    // packet type
    uint16 public constant PT_SEND = 0;

    bool public useCustomAdapterParams;

    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return interfaceId == type(IOFTCore).interfaceId || super.supportsInterface(interfaceId);
    }

    function estimateSendFee(
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint256 _amount,
        bool _useZro,
        bytes calldata _adapterParams
    ) public view virtual override returns (uint256 nativeFee, uint256 zroFee) {
        // mock the payload for sendFrom()
        bytes memory payload = abi.encode(PT_SEND, _toAddress, _amount);
        return lzEndpoint.estimateFees(_dstChainId, address(this), payload, _useZro, _adapterParams);
    }

    function sendFrom(
        address _from,
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint256 _amount,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes calldata _adapterParams
    ) public payable virtual override {
        _send(_from, _dstChainId, _toAddress, _amount, _refundAddress, _zroPaymentAddress, _adapterParams);
    }

    function setUseCustomAdapterParams(bool _useCustomAdapterParams) public virtual onlyOwner {
        useCustomAdapterParams = _useCustomAdapterParams;
        emit SetUseCustomAdapterParams(_useCustomAdapterParams);
    }

    function _nonblockingLzReceive(
        uint16 _srcChainId,
        bytes memory _srcAddress,
        uint64 _nonce,
        bytes memory _payload
    ) internal virtual override {
        uint16 packetType;
        assembly {
            packetType := mload(add(_payload, 32))
        }

        if (packetType == PT_SEND) {
            _sendAck(_srcChainId, _srcAddress, _nonce, _payload);
        } else {
            revert("OFTCore: unknown packet type");
        }
    }

    function _send(
        address _from,
        uint16 _dstChainId,
        bytes memory _toAddress,
        uint256 _amount,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes memory _adapterParams
    ) internal virtual {
        _checkAdapterParams(_dstChainId, PT_SEND, _adapterParams, NO_EXTRA_GAS);

        uint256 amount = _debitFrom(_from, _dstChainId, _toAddress, _amount);

        bytes memory lzPayload = abi.encode(PT_SEND, _toAddress, amount);
        _lzSend(_dstChainId, lzPayload, _refundAddress, _zroPaymentAddress, _adapterParams, msg.value);

        emit SendToChain(_dstChainId, _from, _toAddress, amount);
    }

    function _sendAck(
        uint16 _srcChainId,
        bytes memory,
        uint64,
        bytes memory _payload
    ) internal virtual {
        (, bytes memory toAddressBytes, uint256 amount) = abi.decode(_payload, (uint16, bytes, uint256));

        address to = toAddressBytes.toAddress(0);

        amount = _creditTo(_srcChainId, to, amount);
        emit ReceiveFromChain(_srcChainId, to, amount);
    }

    function _checkAdapterParams(
        uint16 _dstChainId,
        uint16 _pkType,
        bytes memory _adapterParams,
        uint256 _extraGas
    ) internal virtual {
        if (useCustomAdapterParams) {
            _checkGasLimit(_dstChainId, _pkType, _adapterParams, _extraGas);
        } else {
            require(_adapterParams.length == 0, "OFTCore: _adapterParams must be empty.");
        }
    }

    function _debitFrom(
        address _from,
        uint16 _dstChainId,
        bytes memory _toAddress,
        uint256 _amount
    ) internal virtual returns (uint256);

    function _creditTo(
        uint16 _srcChainId,
        address _toAddress,
        uint256 _amount
    ) internal virtual returns (uint256);
}

// SPDX-License-Identifier: Unlicense
/*
 * @title Solidity Bytes Arrays Utils
 * @author Gonçalo Sá <[email protected]>
 *
 * @dev Bytes tightly packed arrays utility library for ethereum contracts written in Solidity.
 *      The library lets you concatenate, slice and type cast bytes arrays both in memory and storage.
 */
pragma solidity 0.8.11;

library BytesLib {
    function concat(bytes memory _preBytes, bytes memory _postBytes) internal pure returns (bytes memory) {
        bytes memory tempBytes;

        assembly {
            // Get a location of some free memory and store it in tempBytes as
            // Solidity does for memory variables.
            tempBytes := mload(0x40)

            // Store the length of the first bytes array at the beginning of
            // the memory for tempBytes.
            let length := mload(_preBytes)
            mstore(tempBytes, length)

            // Maintain a memory counter for the current write location in the
            // temp bytes array by adding the 32 bytes for the array length to
            // the starting location.
            let mc := add(tempBytes, 0x20)
            // Stop copying when the memory counter reaches the length of the
            // first bytes array.
            let end := add(mc, length)

            for {
                // Initialize a copy counter to the start of the _preBytes data,
                // 32 bytes into its memory.
                let cc := add(_preBytes, 0x20)
            } lt(mc, end) {
                // Increase both counters by 32 bytes each iteration.
                mc := add(mc, 0x20)
                cc := add(cc, 0x20)
            } {
                // Write the _preBytes data into the tempBytes memory 32 bytes
                // at a time.
                mstore(mc, mload(cc))
            }

            // Add the length of _postBytes to the current length of tempBytes
            // and store it as the new length in the first 32 bytes of the
            // tempBytes memory.
            length := mload(_postBytes)
            mstore(tempBytes, add(length, mload(tempBytes)))

            // Move the memory counter back from a multiple of 0x20 to the
            // actual end of the _preBytes data.
            mc := end
            // Stop copying when the memory counter reaches the new combined
            // length of the arrays.
            end := add(mc, length)

            for {
                let cc := add(_postBytes, 0x20)
            } lt(mc, end) {
                mc := add(mc, 0x20)
                cc := add(cc, 0x20)
            } {
                mstore(mc, mload(cc))
            }

            // Update the free-memory pointer by padding our last write location
            // to 32 bytes: add 31 bytes to the end of tempBytes to move to the
            // next 32 byte block, then round down to the nearest multiple of
            // 32. If the sum of the length of the two arrays is zero then add
            // one before rounding down to leave a blank 32 bytes (the length block with 0).
            mstore(
                0x40,
                and(
                    add(add(end, iszero(add(length, mload(_preBytes)))), 31),
                    not(31) // Round down to the nearest 32 bytes.
                )
            )
        }

        return tempBytes;
    }

    function concatStorage(bytes storage _preBytes, bytes memory _postBytes) internal {
        assembly {
            // Read the first 32 bytes of _preBytes storage, which is the length
            // of the array. (We don't need to use the offset into the slot
            // because arrays use the entire slot.)
            let fslot := sload(_preBytes.slot)
            // Arrays of 31 bytes or less have an even value in their slot,
            // while longer arrays have an odd value. The actual length is
            // the slot divided by two for odd values, and the lowest order
            // byte divided by two for even values.
            // If the slot is even, bitwise and the slot with 255 and divide by
            // two to get the length. If the slot is odd, bitwise and the slot
            // with -1 and divide by two.
            let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2)
            let mlength := mload(_postBytes)
            let newlength := add(slength, mlength)
            // slength can contain both the length and contents of the array
            // if length < 32 bytes so let's prepare for that
            // v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage
            switch add(lt(slength, 32), lt(newlength, 32))
            case 2 {
                // Since the new array still fits in the slot, we just need to
                // update the contents of the slot.
                // uint256(bytes_storage) = uint256(bytes_storage) + uint256(bytes_memory) + new_length
                sstore(
                    _preBytes.slot,
                    // all the modifications to the slot are inside this
                    // next block
                    add(
                        // we can just add to the slot contents because the
                        // bytes we want to change are the LSBs
                        fslot,
                        add(
                            mul(
                                div(
                                    // load the bytes from memory
                                    mload(add(_postBytes, 0x20)),
                                    // zero all bytes to the right
                                    exp(0x100, sub(32, mlength))
                                ),
                                // and now shift left the number of bytes to
                                // leave space for the length in the slot
                                exp(0x100, sub(32, newlength))
                            ),
                            // increase length by the double of the memory
                            // bytes length
                            mul(mlength, 2)
                        )
                    )
                )
            }
            case 1 {
                // The stored value fits in the slot, but the combined value
                // will exceed it.
                // get the keccak hash to get the contents of the array
                mstore(0x0, _preBytes.slot)
                let sc := add(keccak256(0x0, 0x20), div(slength, 32))

                // save new length
                sstore(_preBytes.slot, add(mul(newlength, 2), 1))

                // The contents of the _postBytes array start 32 bytes into
                // the structure. Our first read should obtain the `submod`
                // bytes that can fit into the unused space in the last word
                // of the stored array. To get this, we read 32 bytes starting
                // from `submod`, so the data we read overlaps with the array
                // contents by `submod` bytes. Masking the lowest-order
                // `submod` bytes allows us to add that value directly to the
                // stored value.

                let submod := sub(32, slength)
                let mc := add(_postBytes, submod)
                let end := add(_postBytes, mlength)
                let mask := sub(exp(0x100, submod), 1)

                sstore(
                    sc,
                    add(
                        and(fslot, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00),
                        and(mload(mc), mask)
                    )
                )

                for {
                    mc := add(mc, 0x20)
                    sc := add(sc, 1)
                } lt(mc, end) {
                    sc := add(sc, 1)
                    mc := add(mc, 0x20)
                } {
                    sstore(sc, mload(mc))
                }

                mask := exp(0x100, sub(mc, end))

                sstore(sc, mul(div(mload(mc), mask), mask))
            }
            default {
                // get the keccak hash to get the contents of the array
                mstore(0x0, _preBytes.slot)
                // Start copying to the last used word of the stored array.
                let sc := add(keccak256(0x0, 0x20), div(slength, 32))

                // save new length
                sstore(_preBytes.slot, add(mul(newlength, 2), 1))

                // Copy over the first `submod` bytes of the new data as in
                // case 1 above.
                let slengthmod := mod(slength, 32)
                let mlengthmod := mod(mlength, 32)
                let submod := sub(32, slengthmod)
                let mc := add(_postBytes, submod)
                let end := add(_postBytes, mlength)
                let mask := sub(exp(0x100, submod), 1)

                sstore(sc, add(sload(sc), and(mload(mc), mask)))

                for {
                    sc := add(sc, 1)
                    mc := add(mc, 0x20)
                } lt(mc, end) {
                    sc := add(sc, 1)
                    mc := add(mc, 0x20)
                } {
                    sstore(sc, mload(mc))
                }

                mask := exp(0x100, sub(mc, end))

                sstore(sc, mul(div(mload(mc), mask), mask))
            }
        }
    }

    function slice(
        bytes memory _bytes,
        uint256 _start,
        uint256 _length
    ) internal pure returns (bytes memory) {
        require(_length + 31 >= _length, "slice_overflow");
        require(_bytes.length >= _start + _length, "slice_outOfBounds");

        bytes memory tempBytes;

        assembly {
            switch iszero(_length)
            case 0 {
                // Get a location of some free memory and store it in tempBytes as
                // Solidity does for memory variables.
                tempBytes := mload(0x40)

                // The first word of the slice result is potentially a partial
                // word read from the original array. To read it, we calculate
                // the length of that partial word and start copying that many
                // bytes into the array. The first word we copy will start with
                // data we don't care about, but the last `lengthmod` bytes will
                // land at the beginning of the contents of the new array. When
                // we're done copying, we overwrite the full first word with
                // the actual length of the slice.
                let lengthmod := and(_length, 31)

                // The multiplication in the next line is necessary
                // because when slicing multiples of 32 bytes (lengthmod == 0)
                // the following copy loop was copying the origin's length
                // and then ending prematurely not copying everything it should.
                let mc := add(add(tempBytes, lengthmod), mul(0x20, iszero(lengthmod)))
                let end := add(mc, _length)

                for {
                    // The multiplication in the next line has the same exact purpose
                    // as the one above.
                    let cc := add(add(add(_bytes, lengthmod), mul(0x20, iszero(lengthmod))), _start)
                } lt(mc, end) {
                    mc := add(mc, 0x20)
                    cc := add(cc, 0x20)
                } {
                    mstore(mc, mload(cc))
                }

                mstore(tempBytes, _length)

                //update free-memory pointer
                //allocating the array padded to 32 bytes like the compiler does now
                mstore(0x40, and(add(mc, 31), not(31)))
            }
            //if we want a zero-length slice let's just return a zero-length array
            default {
                tempBytes := mload(0x40)
                //zero out the 32 bytes slice we are about to return
                //we need to do it because Solidity does not garbage collect
                mstore(tempBytes, 0)

                mstore(0x40, add(tempBytes, 0x20))
            }
        }

        return tempBytes;
    }

    function toAddress(bytes memory _bytes, uint256 _start) internal pure returns (address) {
        require(_bytes.length >= _start + 20, "toAddress_outOfBounds");
        address tempAddress;

        assembly {
            tempAddress := div(mload(add(add(_bytes, 0x20), _start)), 0x1000000000000000000000000)
        }

        return tempAddress;
    }

    function toUint8(bytes memory _bytes, uint256 _start) internal pure returns (uint8) {
        require(_bytes.length >= _start + 1, "toUint8_outOfBounds");
        uint8 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0x1), _start))
        }

        return tempUint;
    }

    function toUint16(bytes memory _bytes, uint256 _start) internal pure returns (uint16) {
        require(_bytes.length >= _start + 2, "toUint16_outOfBounds");
        uint16 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0x2), _start))
        }

        return tempUint;
    }

    function toUint32(bytes memory _bytes, uint256 _start) internal pure returns (uint32) {
        require(_bytes.length >= _start + 4, "toUint32_outOfBounds");
        uint32 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0x4), _start))
        }

        return tempUint;
    }

    function toUint64(bytes memory _bytes, uint256 _start) internal pure returns (uint64) {
        require(_bytes.length >= _start + 8, "toUint64_outOfBounds");
        uint64 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0x8), _start))
        }

        return tempUint;
    }

    function toUint96(bytes memory _bytes, uint256 _start) internal pure returns (uint96) {
        require(_bytes.length >= _start + 12, "toUint96_outOfBounds");
        uint96 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0xc), _start))
        }

        return tempUint;
    }

    function toUint128(bytes memory _bytes, uint256 _start) internal pure returns (uint128) {
        require(_bytes.length >= _start + 16, "toUint128_outOfBounds");
        uint128 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0x10), _start))
        }

        return tempUint;
    }

    function toUint256(bytes memory _bytes, uint256 _start) internal pure returns (uint256) {
        require(_bytes.length >= _start + 32, "toUint256_outOfBounds");
        uint256 tempUint;

        assembly {
            tempUint := mload(add(add(_bytes, 0x20), _start))
        }

        return tempUint;
    }

    function toBytes32(bytes memory _bytes, uint256 _start) internal pure returns (bytes32) {
        require(_bytes.length >= _start + 32, "toBytes32_outOfBounds");
        bytes32 tempBytes32;

        assembly {
            tempBytes32 := mload(add(add(_bytes, 0x20), _start))
        }

        return tempBytes32;
    }

    function equal(bytes memory _preBytes, bytes memory _postBytes) internal pure returns (bool) {
        bool success = true;

        assembly {
            let length := mload(_preBytes)

            // if lengths don't match the arrays are not equal
            switch eq(length, mload(_postBytes))
            case 1 {
                // cb is a circuit breaker in the for loop since there's
                //  no said feature for inline assembly loops
                // cb = 1 - don't breaker
                // cb = 0 - break
                let cb := 1

                let mc := add(_preBytes, 0x20)
                let end := add(mc, length)

                for {
                    let cc := add(_postBytes, 0x20)
                    // the next line is the loop condition:
                    // while(uint256(mc < end) + cb == 2)
                } eq(add(lt(mc, end), cb), 2) {
                    mc := add(mc, 0x20)
                    cc := add(cc, 0x20)
                } {
                    // if any of these checks fails then arrays are not equal
                    if iszero(eq(mload(mc), mload(cc))) {
                        // unsuccess:
                        success := 0
                        cb := 0
                    }
                }
            }
            default {
                // unsuccess:
                success := 0
            }
        }

        return success;
    }

    function equalStorage(bytes storage _preBytes, bytes memory _postBytes) internal view returns (bool) {
        bool success = true;

        assembly {
            // we know _preBytes_offset is 0
            let fslot := sload(_preBytes.slot)
            // Decode the length of the stored array like in concatStorage().
            let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2)
            let mlength := mload(_postBytes)

            // if lengths don't match the arrays are not equal
            switch eq(slength, mlength)
            case 1 {
                // slength can contain both the length and contents of the array
                // if length < 32 bytes so let's prepare for that
                // v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage
                if iszero(iszero(slength)) {
                    switch lt(slength, 32)
                    case 1 {
                        // blank the last byte which is the length
                        fslot := mul(div(fslot, 0x100), 0x100)

                        if iszero(eq(fslot, mload(add(_postBytes, 0x20)))) {
                            // unsuccess:
                            success := 0
                        }
                    }
                    default {
                        // cb is a circuit breaker in the for loop since there's
                        //  no said feature for inline assembly loops
                        // cb = 1 - don't breaker
                        // cb = 0 - break
                        let cb := 1

                        // get the keccak hash to get the contents of the array
                        mstore(0x0, _preBytes.slot)
                        let sc := keccak256(0x0, 0x20)

                        let mc := add(_postBytes, 0x20)
                        let end := add(mc, mlength)

                        // the next line is the loop condition:
                        // while(uint256(mc < end) + cb == 2)
                        for {

                        } eq(add(lt(mc, end), cb), 2) {
                            sc := add(sc, 1)
                            mc := add(mc, 0x20)
                        } {
                            if iszero(eq(sload(sc), mload(mc))) {
                                // unsuccess:
                                success := 0
                                cb := 0
                            }
                        }
                    }
                }
            }
            default {
                // unsuccess:
                success := 0
            }
        }

        return success;
    }
}

// SPDX-License-Identifier: MIT OR Apache-2.0
pragma solidity 0.8.11;

library ExcessivelySafeCall {
    uint256 constant LOW_28_MASK = 0x00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff;

    /// @notice Use when you _really_ really _really_ don't trust the called
    /// contract. This prevents the called contract from causing reversion of
    /// the caller in as many ways as we can.
    /// @dev The main difference between this and a solidity low-level call is
    /// that we limit the number of bytes that the callee can cause to be
    /// copied to caller memory. This prevents stupid things like malicious
    /// contracts returning 10,000,000 bytes causing a local OOG when copying
    /// to memory.
    /// @param _target The address to call
    /// @param _gas The amount of gas to forward to the remote contract
    /// @param _maxCopy The maximum number of bytes of returndata to copy
    /// to memory.
    /// @param _calldata The data to send to the remote contract
    /// @return success and returndata, as `.call()`. Returndata is capped to
    /// `_maxCopy` bytes.
    function excessivelySafeCall(
        address _target,
        uint256 _gas,
        uint16 _maxCopy,
        bytes memory _calldata
    ) internal returns (bool, bytes memory) {
        // set up for assembly call
        uint256 _toCopy;
        bool _success;
        bytes memory _returnData = new bytes(_maxCopy);
        // dispatch message to recipient
        // by assembly calling "handle" function
        // we call via assembly to avoid memcopying a very large returndata
        // returned by a malicious contract
        assembly {
            _success := call(
                _gas, // gas
                _target, // recipient
                0, // ether value
                add(_calldata, 0x20), // inloc
                mload(_calldata), // inlen
                0, // outloc
                0 // outlen
            )
            // limit our copy to 256 bytes
            _toCopy := returndatasize()
            if gt(_toCopy, _maxCopy) {
                _toCopy := _maxCopy
            }
            // Store the length of the copied bytes
            mstore(_returnData, _toCopy)
            // copy the bytes from returndata[0:_toCopy]
            returndatacopy(add(_returnData, 0x20), 0, _toCopy)
        }
        return (_success, _returnData);
    }

    /// @notice Use when you _really_ really _really_ don't trust the called
    /// contract. This prevents the called contract from causing reversion of
    /// the caller in as many ways as we can.
    /// @dev The main difference between this and a solidity low-level call is
    /// that we limit the number of bytes that the callee can cause to be
    /// copied to caller memory. This prevents stupid things like malicious
    /// contracts returning 10,000,000 bytes causing a local OOG when copying
    /// to memory.
    /// @param _target The address to call
    /// @param _gas The amount of gas to forward to the remote contract
    /// @param _maxCopy The maximum number of bytes of returndata to copy
    /// to memory.
    /// @param _calldata The data to send to the remote contract
    /// @return success and returndata, as `.call()`. Returndata is capped to
    /// `_maxCopy` bytes.
    function excessivelySafeStaticCall(
        address _target,
        uint256 _gas,
        uint16 _maxCopy,
        bytes memory _calldata
    ) internal view returns (bool, bytes memory) {
        // set up for assembly call
        uint256 _toCopy;
        bool _success;
        bytes memory _returnData = new bytes(_maxCopy);
        // dispatch message to recipient
        // by assembly calling "handle" function
        // we call via assembly to avoid memcopying a very large returndata
        // returned by a malicious contract
        assembly {
            _success := staticcall(
                _gas, // gas
                _target, // recipient
                add(_calldata, 0x20), // inloc
                mload(_calldata), // inlen
                0, // outloc
                0 // outlen
            )
            // limit our copy to 256 bytes
            _toCopy := returndatasize()
            if gt(_toCopy, _maxCopy) {
                _toCopy := _maxCopy
            }
            // Store the length of the copied bytes
            mstore(_returnData, _toCopy)
            // copy the bytes from returndata[0:_toCopy]
            returndatacopy(add(_returnData, 0x20), 0, _toCopy)
        }
        return (_success, _returnData);
    }

    /**
     * @notice Swaps function selectors in encoded contract calls
     * @dev Allows reuse of encoded calldata for functions with identical
     * argument types but different names. It simply swaps out the first 4 bytes
     * for the new selector. This function modifies memory in place, and should
     * only be used with caution.
     * @param _newSelector The new 4-byte selector
     * @param _buf The encoded contract args
     */
    function swapSelector(bytes4 _newSelector, bytes memory _buf) internal pure {
        require(_buf.length >= 4);
        uint256 _mask = LOW_28_MASK;
        assembly {
            // load the first word of
            let _word := mload(add(_buf, 0x20))
            // mask out the top 4 bytes
            // /x
            _word := and(_word, _mask)
            _word := or(_newSelector, _word)
            mstore(add(_buf, 0x20), _word)
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

/**
 * @title   Cross Chain Messages
 * @author  AuraFinance
 * @dev     Share types for cross chain messages
 */
library CrossChainMessages {
    /// @dev Magic Bytes to pad the custom message with
    /// bytes4(keccak256("_isCustomMessage(bytes)"))
    bytes4 public constant MAGIC_BYTES = 0x7a7f9946;

    enum MessageType {
        // Lock L2 AURA as vlAURA
        LOCK,
        // sent from the L2 to trigger a feeDebt update
        FEES,
        // sent from the L1 to the L2 after a successful debt update
        // will trigger AURA to be sent to the L2 and the rate to get
        // updated on the L2
        FEES_CALLBACK
    }

    function getMessageType(bytes memory _payload) internal pure returns (MessageType) {
        bytes32 messageType;
        assembly {
            messageType := mload(add(add(_payload, 32), 32))
        }
        return MessageType(uint8(uint256(messageType)));
    }

    function isCustomMessage(bytes memory _payload) internal pure returns (bool) {
        bytes4 sig;
        assembly {
            sig := mload(add(_payload, 32))
        }
        return sig == MAGIC_BYTES;
    }

    /* -------------------------------------------------------------------
       Encode
    ------------------------------------------------------------------- */

    /**
     * @notice This function encodes the lock message for the sender and amount.
     * @dev The function encodes the lock message for the sender and amount using the ABI encoding.
     * The MAGIC_BYTES and MessageType.LOCK are used to encode the message.
     */
    function encodeLock(address sender, uint256 amount) internal pure returns (bytes memory) {
        return abi.encode(MAGIC_BYTES, MessageType.LOCK, sender, amount);
    }

    /**
     * @notice This function encodes fees for a given amount.
     * @dev The function takes a uint256 amount as an argument and returns a bytes memory.
     */
    function encodeFees(uint256 amount) internal pure returns (bytes memory) {
        return abi.encode(MAGIC_BYTES, MessageType.FEES, amount);
    }

    /**
     * @notice encodeFeesCallback() is a function that encodes the cvxAmount into a bytes memory.
     * @dev The function takes a uint256 parameter cvxAmount, and returns a bytes memory.
     */
    function encodeFeesCallback(uint256 cvxAmount) internal pure returns (bytes memory) {
        return abi.encode(MAGIC_BYTES, MessageType.FEES_CALLBACK, cvxAmount);
    }

    /* -------------------------------------------------------------------
       Decode 
    ------------------------------------------------------------------- */

    /**
     * @notice decodeFeesCallback decodes the payload and returns the cvxAmount
     * @dev decodeFeesCallback takes in a bytes memory _payload and returns an uint256 cvxAmount
     */
    function decodeFeesCallback(bytes memory _payload) internal pure returns (uint256) {
        (, , uint256 cvxAmount) = abi.decode(_payload, (bytes4, uint8, uint256));
        return (cvxAmount);
    }

    /**
     * @notice decodeFees() is a function that decodes the fees from a given payload.
     * @dev decodeFees() takes in a bytes memory _payload and returns a uint256 amount.
     * It uses the abi.decode() function to decode the payload.
     */
    function decodeFees(bytes memory _payload) internal pure returns (uint256) {
        (, , uint256 amount) = abi.decode(_payload, (bytes4, uint8, uint256));
        return amount;
    }

    /**
     * @notice decodeLock() is a function that decodes a payload and returns the sender address and amount.
     * @dev decodeLock() takes a bytes memory _payload as an argument and returns an address and uint256.
     * It uses the ABI library to decode the payload and returns the sender address and amount.*/
    function decodeLock(bytes memory _payload) internal pure returns (address, uint256) {
        (, , address sender, uint256 amount) = abi.decode(_payload, (bytes4, uint8, address, uint256));
        return (sender, amount);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

import { IERC20 } from "@openzeppelin/contracts-0.8/token/ERC20/IERC20.sol";
import { SafeERC20 } from "@openzeppelin/contracts-0.8/token/ERC20/utils/SafeERC20.sol";
import { ProxyOFT } from "../layerzero/token/oft/extension/ProxyOFT.sol";
import { PauseGuardian } from "./PauseGuardian.sol";
import { AuraMath } from "../utils/AuraMath.sol";
import { BytesLib } from "../layerzero/util/BytesLib.sol";

/**
 * @title PausableProxyOFT
 * @author  AuraFinance
 * @notice Extension to the ProxyOFT standard that allows a `guardian` address to perform  an emergency pause.
 *  - When paused all messages received are added to a queue to be processed after `queueDelay` time has passed.
 *  - When paused no messages can be sent via `sendFrom`.
 */
contract PausableProxyOFT is ProxyOFT, PauseGuardian {
    using AuraMath for uint256;
    using SafeERC20 for IERC20;
    using BytesLib for bytes;

    /* -------------------------------------------------------------------
       Storage 
    ------------------------------------------------------------------- */

    /// @dev Duration of each inflow epoch
    uint256 public constant epochDuration = 7 days;

    /// @dev Addres of super user
    address public immutable sudo;

    /// @dev Transfer inflow limit per epoch
    uint256 public inflowLimit;

    /// @dev Queue delay
    uint256 public queueDelay;

    /// @dev Epoch mapped to transfer outflow
    mapping(uint256 => uint256) public outflow;

    /// @dev Epoch mapped to transfer inflow
    mapping(uint256 => uint256) public inflow;

    /// @dev Transfer queue
    mapping(bytes32 => bool) public queue;

    /* -------------------------------------------------------------------
       Events 
    ------------------------------------------------------------------- */

    /**
     * @param epoch       The epoch
     * @param srcChainId  The source chain
     * @param to          Address to transfer to
     * @param amount      Amount to transfer
     * @param timestamp   Time the transfer was queued
     */
    event QueuedFromChain(uint256 epoch, uint16 srcChainId, address to, uint256 amount, uint256 timestamp);

    /**
     * @param token Token address
     * @param to Send to address
     * @param amount Amount to send
     */
    event Rescue(address token, address to, uint256 amount);

    /* -------------------------------------------------------------------
       Constructor 
    ------------------------------------------------------------------- */

    /**
     * @param _token        Proxy token (eg AURA or auraBAL)
     * @param _sudo         The super user address
     * @param _token        Proxy token (eg AURA or auraBAL)
     * @param _sudo         Super user
     * @param _inflowLimit  Initial inflow limit per epoch
     */
    constructor(
        address _token,
        address _sudo,
        uint256 _inflowLimit
    ) ProxyOFT(_token) {
        sudo = _sudo;
        inflowLimit = _inflowLimit;
        queueDelay = 7 days;
    }

    /* -------------------------------------------------------------------
       Setters 
    ------------------------------------------------------------------- */

    /**
     * @dev   Amount of time that a transfer has to sit in the queue until
     *        it can be processed
     * @param _delay Queue delay
     */
    function setQueueDelay(uint256 _delay) external onlyOwner {
        queueDelay = _delay;
    }

    /**
     * @dev Set the inflow limit per epoch
     * @param _limit Inflow limit per epoch
     */
    function setInflowLimit(uint256 _limit) external onlyOwner {
        inflowLimit = _limit;
    }

    /* -------------------------------------------------------------------
       View 
    ------------------------------------------------------------------- */

    /**
     * @dev Get current epoch
     */
    function getCurrentEpoch() external view returns (uint256) {
        return _getCurrentEpoch();
    }

    /* -------------------------------------------------------------------
       Core 
    ------------------------------------------------------------------- */

    /**
     * @dev Override sendFrom to add pause modifier
     */
    function sendFrom(
        address _from,
        uint16 _dstChainId,
        bytes calldata _toAddress,
        uint256 _amount,
        address payable _refundAddress,
        address _zroPaymentAddress,
        bytes calldata _adapterParams
    ) public payable override whenNotPaused {
        outflow[_getCurrentEpoch()] += _amount;
        super.sendFrom(_from, _dstChainId, _toAddress, _amount, _refundAddress, _zroPaymentAddress, _adapterParams);
    }

    /**
     * @dev Override _sendAck on OFTCore
     *
     * Add functionality to
     * 1) Pause the bridge
     * 2) Add an inflow limit safety net. This safety net should never get hit in
     *    normal market operations. It's intended to mitigate risk in case of a
     *    doomsday event.
     */
    function _sendAck(
        uint16 _srcChainId,
        bytes memory, /* _srcAddress */
        uint64, /*  _nonce */
        bytes memory _payload
    ) internal override {
        (, bytes memory toAddressBytes, uint256 amount) = abi.decode(_payload, (uint16, bytes, uint256));
        address to = toAddressBytes.toAddress(0);
        _safeCreditTo(_srcChainId, to, amount);
    }

    function _safeCreditTo(
        uint16 _srcChainId,
        address _to,
        uint256 _amount
    ) internal {
        uint256 epoch = _getCurrentEpoch();
        uint256 currInflow = inflow[epoch];
        uint256 newInflow = currInflow.add(_amount);
        inflow[epoch] = newInflow;

        if (_getNetInflow(newInflow, outflow[epoch]) > inflowLimit || paused()) {
            // If the net inflow is greater than the limit for this epoch OR the bridge
            // is currently paused we send each transfer to a queue for delayed processing.
            // In the case of a doomsday event this limits the exposure to the bridge.
            queue[keccak256(abi.encode(epoch, _srcChainId, _to, _amount, block.timestamp))] = true;
            emit QueuedFromChain(epoch, _srcChainId, _to, _amount, block.timestamp);
        } else {
            // Process the transfer as normal
            _amount = _creditTo(_srcChainId, _to, _amount);
            emit ReceiveFromChain(_srcChainId, _to, _amount);
        }
    }

    /**
     * @dev Process a queued transfer
     *      Transfer has to be a valid root and the queue delay has to have passed
     * @param _epoch        Epoch
     * @param _srcChainId   Source chain ID
     * @param _to           Address to transfer to
     * @param _amount       Amount to transfer
     * @param _timestamp    Time when this transfer was queued
     */
    function processQueued(
        uint256 _epoch,
        uint16 _srcChainId,
        address _to,
        uint256 _amount,
        uint256 _timestamp
    ) external whenNotPaused {
        bytes32 queueRoot = keccak256(abi.encode(_epoch, _srcChainId, _to, _amount, _timestamp));
        require(queue[queueRoot], "!root");
        require(block.timestamp > _timestamp.add(queueDelay), "!timestamp");
        // Process the queued send
        queue[queueRoot] = false;
        uint256 amount = _creditTo(_srcChainId, _to, _amount);
        emit ReceiveFromChain(_srcChainId, _to, amount);
    }

    /**
     * @dev In a doomsday bridge scenario there may be a case where funds need to be
     *      rescued.
     * @param _token Token address
     * @param _to Send to address
     * @param _amount Amount to send
     */
    function rescue(
        address _token,
        address _to,
        uint256 _amount
    ) external virtual {
        require(msg.sender == sudo, "!sudo");
        IERC20(_token).safeTransfer(_to, _amount);
        emit Rescue(_token, _to, _amount);
    }

    /* -------------------------------------------------------------------
       Internal 
    ------------------------------------------------------------------- */

    /**
     * @dev Get current epoch
     */
    function _getCurrentEpoch() internal view returns (uint256) {
        return block.timestamp.div(epochDuration);
    }

    /**
     * @dev Get net inflow
     * @param _inflow   Inflow amount
     * @param _outflow  Outflow amount
     */
    function _getNetInflow(uint256 _inflow, uint256 _outflow) internal pure returns (uint256 netInflow) {
        if (_inflow > _outflow) {
            netInflow = _inflow.sub(_outflow);
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

import { Pausable } from "@openzeppelin/contracts-0.8/security/Pausable.sol";

/**
 * @title PauseGuardian
 * @author AuraFinance
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized immutable guardian address.
 */
contract PauseGuardian is Pausable {
    /* -------------------------------------------------------------------
       Storage 
    ------------------------------------------------------------------- */

    /// @dev The guardian address
    address public guardian;

    /* -------------------------------------------------------------------
       Initialize       
    ------------------------------------------------------------------- */
    /**
     * @dev Constructs the PauseGuardian contract
     * @param _guardian   The pause guardian address
     */

    function _initializePauseGuardian(address _guardian) internal {
        require(guardian == address(0), "already initialized");
        require(_guardian != address(0), "guardian=0");
        guardian = _guardian;
    }

    /* -------------------------------------------------------------------
       Modifiers 
    ------------------------------------------------------------------- */

    modifier onlyGuardian() {
        require(msg.sender == guardian, "!guardian");
        _;
    }

    /* -------------------------------------------------------------------
       Core 
    ------------------------------------------------------------------- */

    /**
     * @notice This function pauses the contract.
     * @dev This function can only be called by the 'guardian'.
     */
    function pause() external onlyGuardian {
        _pause();
    }

    /**
     * @notice This function is used to unpause the contract.
     * @dev This function can only be called by the 'guardian' of the contract.
     */
    function unpause() external onlyGuardian {
        _unpause();
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

/// @notice A library for performing overflow-/underflow-safe math,
/// updated with awesomeness from of DappHub (https://github.com/dapphub/ds-math).
library AuraMath {
    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
        c = a + b;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256 c) {
        c = a - b;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
        c = a * b;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow, so we distribute.
        return (a / 2) + (b / 2) + (((a % 2) + (b % 2)) / 2);
    }

    function to224(uint256 a) internal pure returns (uint224 c) {
        require(a <= type(uint224).max, "AuraMath: uint224 Overflow");
        c = uint224(a);
    }

    function to128(uint256 a) internal pure returns (uint128 c) {
        require(a <= type(uint128).max, "AuraMath: uint128 Overflow");
        c = uint128(a);
    }

    function to112(uint256 a) internal pure returns (uint112 c) {
        require(a <= type(uint112).max, "AuraMath: uint112 Overflow");
        c = uint112(a);
    }

    function to96(uint256 a) internal pure returns (uint96 c) {
        require(a <= type(uint96).max, "AuraMath: uint96 Overflow");
        c = uint96(a);
    }

    function to32(uint256 a) internal pure returns (uint32 c) {
        require(a <= type(uint32).max, "AuraMath: uint32 Overflow");
        c = uint32(a);
    }
}

/// @notice A library for performing overflow-/underflow-safe addition and subtraction on uint32.
library AuraMath32 {
    function sub(uint32 a, uint32 b) internal pure returns (uint32 c) {
        c = a - b;
    }
}

/// @notice A library for performing overflow-/underflow-safe addition and subtraction on uint112.
library AuraMath112 {
    function add(uint112 a, uint112 b) internal pure returns (uint112 c) {
        c = a + b;
    }

    function sub(uint112 a, uint112 b) internal pure returns (uint112 c) {
        c = a - b;
    }
}

/// @notice A library for performing overflow-/underflow-safe addition and subtraction on uint224.
library AuraMath224 {
    function add(uint224 a, uint224 b) internal pure returns (uint224 c) {
        c = a + b;
    }
}

{
  "metadata": {
    "bytecodeHash": "none"
  },
  "optimizer": {
    "enabled": true,
    "runs": 800
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_lzEndpoint","type":"address"},{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_locker","type":"address"},{"internalType":"address","name":"_guardian","type":"address"},{"internalType":"address","name":"_sudo","type":"address"},{"internalType":"uint256","name":"_inflowLimit","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"indexed":false,"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"indexed":false,"internalType":"uint64","name":"_nonce","type":"uint64"},{"indexed":false,"internalType":"bytes","name":"_payload","type":"bytes"},{"indexed":false,"internalType":"bytes","name":"_reason","type":"bytes"}],"name":"MessageFailed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"epoch","type":"uint256"},{"indexed":false,"internalType":"uint16","name":"srcChainId","type":"uint16"},{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"QueuedFromChain","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"ReceiveFromChain","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Rescue","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"indexed":false,"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"indexed":false,"internalType":"uint64","name":"_nonce","type":"uint64"},{"indexed":false,"internalType":"bytes32","name":"_payloadHash","type":"bytes32"}],"name":"RetryMessageSuccess","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":false,"internalType":"bytes","name":"_toAddress","type":"bytes"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"SendToChain","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"indexed":false,"internalType":"uint16","name":"_type","type":"uint16"},{"indexed":false,"internalType":"uint256","name":"_minDstGas","type":"uint256"}],"name":"SetMinDstGas","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"precrime","type":"address"}],"name":"SetPrecrime","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint16","name":"_remoteChainId","type":"uint16"},{"indexed":false,"internalType":"bytes","name":"_path","type":"bytes"}],"name":"SetTrustedRemote","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint16","name":"_remoteChainId","type":"uint16"},{"indexed":false,"internalType":"bytes","name":"_remoteAddress","type":"bytes"}],"name":"SetTrustedRemoteAddress","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"_useCustomAdapterParams","type":"bool"}],"name":"SetUseCustomAdapterParams","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[],"name":"DEFAULT_PAYLOAD_SIZE_LIMIT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"NO_EXTRA_GAS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"PT_SEND","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"circulatingSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"epochDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes","name":"_toAddress","type":"bytes"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bool","name":"_useZro","type":"bool"},{"internalType":"bytes","name":"_adapterParams","type":"bytes"}],"name":"estimateSendFee","outputs":[{"internalType":"uint256","name":"nativeFee","type":"uint256"},{"internalType":"uint256","name":"zroFee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"},{"internalType":"bytes","name":"","type":"bytes"},{"internalType":"uint64","name":"","type":"uint64"}],"name":"failedMessages","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"}],"name":"forceResumeReceive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_version","type":"uint16"},{"internalType":"uint16","name":"_chainId","type":"uint16"},{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"_configType","type":"uint256"}],"name":"getConfig","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCurrentEpoch","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_remoteChainId","type":"uint16"}],"name":"getTrustedRemoteAddress","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"guardian","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"inflow","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"inflowLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"}],"name":"isTrustedRemote","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"locker","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lzEndpoint","outputs":[{"internalType":"contract ILayerZeroEndpoint","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"internalType":"uint64","name":"_nonce","type":"uint64"},{"internalType":"bytes","name":"_payload","type":"bytes"}],"name":"lzReceive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"},{"internalType":"uint16","name":"","type":"uint16"}],"name":"minDstGasLookup","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"internalType":"uint64","name":"_nonce","type":"uint64"},{"internalType":"bytes","name":"_payload","type":"bytes"}],"name":"nonblockingLzReceive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"outflow","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"}],"name":"payloadSizeLimitLookup","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"precrime","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_epoch","type":"uint256"},{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_timestamp","type":"uint256"}],"name":"processQueued","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"queue","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"queueDelay","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"rescue","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_srcAddress","type":"bytes"},{"internalType":"uint64","name":"_nonce","type":"uint64"},{"internalType":"bytes","name":"_payload","type":"bytes"}],"name":"retryMessage","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"bytes","name":"_toAddress","type":"bytes"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address payable","name":"_refundAddress","type":"address"},{"internalType":"address","name":"_zroPaymentAddress","type":"address"},{"internalType":"bytes","name":"_adapterParams","type":"bytes"}],"name":"sendFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_version","type":"uint16"},{"internalType":"uint16","name":"_chainId","type":"uint16"},{"internalType":"uint256","name":"_configType","type":"uint256"},{"internalType":"bytes","name":"_config","type":"bytes"}],"name":"setConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_limit","type":"uint256"}],"name":"setInflowLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"uint16","name":"_packetType","type":"uint16"},{"internalType":"uint256","name":"_minGas","type":"uint256"}],"name":"setMinDstGas","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_dstChainId","type":"uint16"},{"internalType":"uint256","name":"_size","type":"uint256"}],"name":"setPayloadSizeLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_precrime","type":"address"}],"name":"setPrecrime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_delay","type":"uint256"}],"name":"setQueueDelay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_version","type":"uint16"}],"name":"setReceiveVersion","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_version","type":"uint16"}],"name":"setSendVersion","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_srcChainId","type":"uint16"},{"internalType":"bytes","name":"_path","type":"bytes"}],"name":"setTrustedRemote","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"_remoteChainId","type":"uint16"},{"internalType":"bytes","name":"_remoteAddress","type":"bytes"}],"name":"setTrustedRemoteAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_useCustomAdapterParams","type":"bool"}],"name":"setUseCustomAdapterParams","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sudo","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"","type":"uint16"}],"name":"trustedRemoteLookup","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"useCustomAdapterParams","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]

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