Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Similar
• Submit Audit
• Compare

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

import { LzApp } from "../layerzero/lzApp/LzApp.sol";
import { SafeERC20 } from "@openzeppelin/contracts-0.8/token/ERC20/utils/SafeERC20.sol";
import { IERC20 } from "@openzeppelin/contracts-0.8/token/ERC20/IERC20.sol";
import { IOFT } from "../layerzero/token/oft/IOFT.sol";
import { IBooster } from "../interfaces/IBooster.sol";
import { IStashRewardDistro } from "../interfaces/IStashRewardDistro.sol";

/**
 * @title   ChildGaugeVoteRewards
 * @author  Aura Finance
 */
contract ChildGaugeVoteRewards is LzApp {
    using SafeERC20 for IERC20;

    /* -------------------------------------------------------------------
       Types 
    ------------------------------------------------------------------- */

    struct Pid {
        uint128 value;
        bool isSet;
    }

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

    /// @dev Aura token address
    address public immutable aura;

    /// @dev The Booster contract address
    IBooster public immutable booster;

    /// @dev Extra reward distro contract
    IStashRewardDistro public immutable stashRewardDistro;

    /// @dev Distributor address
    address public distributor;

    /// @dev Epoch => Gauge => Amount to send
    mapping(uint256 => mapping(address => uint256)) public getAmountToSendByEpoch;

    /// @dev Epoch => Gauge => Amount sent
    mapping(uint256 => mapping(address => uint256)) public getAmountSentByEpoch;

    /// @dev Gauge => Pool ID
    mapping(address => Pid) public getPoolId;

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

    event SetDistributor(address distributor);
    event AmountToSendByEpoch(uint256 indexed epoch, address gauge, uint256 amount);

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

    constructor(
        address _aura,
        address _booster,
        address _stashRewardDistro
    ) {
        aura = _aura;
        booster = IBooster(_booster);
        stashRewardDistro = IStashRewardDistro(_stashRewardDistro);

        IERC20(_aura).safeApprove(_stashRewardDistro, type(uint256).max);
    }

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

    modifier onlyDistributor() {
        require(msg.sender == distributor, "!distributor");
        _;
    }

    /* -------------------------------------------------------------------
       Setters 
    ------------------------------------------------------------------- */
    /**
     * @notice Initializes the addresses
     * @dev This function should only be called by the owner of the contract
     * @param _lzEndpoint   LayerZero endpoint contract
     */
    function initialize(address _lzEndpoint) external onlyOwner {
        _initializeLzApp(_lzEndpoint);
    }

    function setDistributor(address _distributor) external onlyOwner {
        distributor = _distributor;
        emit SetDistributor(_distributor);
    }

    function setPoolIds(uint256 start, uint256 end) external {
        for (uint256 i = start; i < end; i++) {
            IBooster.PoolInfo memory poolInfo = booster.poolInfo(i);
            getPoolId[poolInfo.gauge] = Pid(uint128(i), true);
        }
    }

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

    /**
     * @notice Process gauge rewards for the given epoch for mainnet
     * @param _gauge Array of gauges
     * @param _epoch The epoch
     */
    function processGaugeRewards(uint256 _epoch, address[] calldata _gauge) external onlyDistributor {
        for (uint256 i = 0; i < _gauge.length; i++) {
            address gauge = _gauge[i];

            // Send pro rate AURA to this stash
            uint256 amountToSend = _getAmountToSend(_epoch, gauge);

            // Fund the extra reward distro for the next 2 epochs
            Pid memory pid = getPoolId[gauge];
            require(pid.isSet, "!poolId");

            stashRewardDistro.fundPool(uint256(pid.value), aura, amountToSend, 2);
        }
    }

    /* -------------------------------------------------------------------
       Utils 
    ------------------------------------------------------------------- */

    /**
     * @dev Transfer ERC20
     * @param _token The token address
     * @param _to Address to transfer tokens to
     * @param _amount Amount of tokens to send
     */
    function transferERC20(
        address _token,
        address _to,
        uint256 _amount
    ) external onlyOwner {
        IERC20(_token).safeTransfer(_to, _amount);
    }

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

    function _getAmountToSend(uint256 _epoch, address _gauge) internal returns (uint256) {
        // Send pro rata AURA to the sidechain
        uint256 amountToSend = getAmountToSendByEpoch[_epoch][_gauge];
        require(amountToSend != 0, "amountToSend=0");

        // Prevent amounts from being sent multiple times
        uint256 amountSent = getAmountSentByEpoch[_epoch][_gauge];
        require(amountSent == 0, "amountSent!=0");
        getAmountSentByEpoch[_epoch][_gauge] = amountToSend;

        return amountToSend;
    }

    function _blockingLzReceive(
        uint16,
        bytes memory,
        uint64,
        bytes memory _payload
    ) internal override {
        // Decode the array of payloads
        (uint256 epoch, bytes[] memory payloads) = abi.decode(_payload, (uint256, bytes[]));
        uint256 payloadsLen = payloads.length;

        for (uint256 i = 0; i < payloadsLen; i++) {
            bytes memory payload = payloads[i];

            // Decode the single payload to get the gauge and amount to send
            (address gauge, uint256 amountToSend) = abi.decode(payload, (address, uint256));
            getAmountToSendByEpoch[epoch][gauge] = amountToSend;
            emit AmountToSendByEpoch(epoch, gauge, amountToSend);
        }
    }
}

// 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 (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 {
    /**
     * @notice This function returns the address of the sender of the message.
     * @dev This function is an internal view function that returns the address of the sender of the message.
     */
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    /**
     * @notice _msgData() is an internal view function that returns the calldata of the message.
     * @dev This function is used to access the calldata of the message.
     */
    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// 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 IBooster {
    struct FeeDistro {
        address distro;
        address rewards;
        bool active;
    }

    function feeTokens(address _token) external returns (FeeDistro memory);

    function earmarkFees(address _feeToken) external returns (bool);

    struct PoolInfo {
        address lptoken;
        address token;
        address gauge;
        address crvRewards;
        address stash;
        bool shutdown;
    }

    function earmarkRewards(uint256 _pid) external returns (bool);

    function poolLength() external view returns (uint256);

    function lockRewards() external view returns (address);

    function poolInfo(uint256 _pid) external view returns (PoolInfo memory poolInfo);

    function distributeL2Fees(uint256 _amount) external;

    function lockIncentive() external view returns (uint256);

    function stakerIncentive() external view returns (uint256);

    function earmarkIncentive() external view returns (uint256);

    function platformFee() external view returns (uint256);

    function FEE_DENOMINATOR() external view returns (uint256);

    function voteGaugeWeight(address[] calldata _gauge, uint256[] calldata _weight) external returns (bool);
}

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

interface IStashRewardDistro {
    function fundPool(
        uint256 pid,
        address token,
        uint256 amount,
        uint256 period
    ) 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 "./IOFTCore.sol";
import "@openzeppelin/contracts-0.8/token/ERC20/IERC20.sol";

/**
 * @dev Interface of the OFT standard
 */
interface IOFT is IOFTCore, IERC20 {

}

// 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: 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;
    }
}

{
  "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":"_aura","type":"address"},{"internalType":"address","name":"_booster","type":"address"},{"internalType":"address","name":"_stashRewardDistro","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"epoch","type":"uint256"},{"indexed":false,"internalType":"address","name":"gauge","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"AmountToSendByEpoch","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":"distributor","type":"address"}],"name":"SetDistributor","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"},{"inputs":[],"name":"DEFAULT_PAYLOAD_SIZE_LIMIT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"aura","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"booster","outputs":[{"internalType":"contract IBooster","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"distributor","outputs":[{"internalType":"address","name":"","type":"address"}],"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":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"getAmountSentByEpoch","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"getAmountToSendByEpoch","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","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":[{"internalType":"address","name":"","type":"address"}],"name":"getPoolId","outputs":[{"internalType":"uint128","name":"value","type":"uint128"},{"internalType":"bool","name":"isSet","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint16","name":"_remoteChainId","type":"uint16"}],"name":"getTrustedRemoteAddress","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_lzEndpoint","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","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":"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":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"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":"address[]","name":"_gauge","type":"address[]"}],"name":"processGaugeRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","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":"address","name":"_distributor","type":"address"}],"name":"setDistributor","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":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"end","type":"uint256"}],"name":"setPoolIds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_precrime","type":"address"}],"name":"setPrecrime","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":[],"name":"stashRewardDistro","outputs":[{"internalType":"contract IStashRewardDistro","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"transferERC20","outputs":[],"stateMutability":"nonpayable","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"}]

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