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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import "openzeppelin-contracts/contracts/token/ERC20/IERC20.sol";
import "openzeppelin-contracts/contracts/utils/math/SafeMath.sol";
import {AirdropAccessControl} from "../src/utils/AirdropAccessControl.sol";
import {FireCatTransfer} from "../src/utils/FireCatTransfer.sol";
import {IStakeAirdrop} from "../src/interfaces/IStakeAirdrop.sol";

/**
 * @title FireCat's StakeAirdrop contract
 * @notice main: stake, claim, topUP
 * @author FireCat Finance
 */
contract StakeAirdrop is IStakeAirdrop, FireCatTransfer, AirdropAccessControl {
    using SafeMath for uint256;

    event SetStakeOn(bool isStakeOn_);
    event SetClaimOn(bool isClaimOn_);
    event SetImportOn(bool isImportOn_);
    event SetTopUpAmount(uint256 topUpAmount_);
    event SetCycleTime(uint256 startAt_, uint256 expiredAt_);
    event SetReleaseConfig(uint256[] releaseTimePeriod_, uint256[] releaseNumFactor_);
    event TopUp(address user_, uint256 amount_, uint256 totalSupplyNew_);
    event Staked(address user_, uint256 actualAddAmount_, uint256 totalStakedNew_);
    event Claimed(address user_, uint256 actualSubAmount_, uint256 totalClaimedNew_);
    event ExportStaked(uint256 startIndex_, uint256 endIndex_);

    /**
    * @dev switch on/off the stake function.
    */
    bool public isStakeOn = false;

    /**
    * @dev switch on/off the claim function.
    */
    bool public isClaimOn = false;

     /**
    * @dev switch on/off the importStaked function.
    */
    bool public isImportOn = false;

    address public airdropToken;
    address public stakeToken;
    uint256 public cycleId;

    /**
    * @dev the start timestamp of the stake.
    */
    uint256 private _startAt;

    /**
    * @dev the expired timestamp of the stake.
    */
    uint256 private _expiredAt;

    /**
    * @dev the release time period, such as: [1660000000, 1660000010, 1660000020]
    */
    uint256[] private _releaseTimePeriod;

    /**
    * @dev the release num factor, such as: [30, 30, 40]
    */
    uint256[] private _releaseNumFactor;

    /**
    * @dev the total airdrop amount which is alread exists in the contract.
    */
    uint256 private _totalSupply;
    
    /**
    * @dev the total staked amount which is alread exists in the contract.
    */
    uint256 private _totalStaked;

    /**
    * @dev the total claimed amount which is already transfer from this contract.
    */
    uint256 private _totalClaimed;

    /**
    * @dev the airdrop amount which is shoule be transfer to this contract.
    */
    uint256 private _topUpAmount;

    /**
    * @dev the number of user.
    */
    uint256 private _totalUser;

    /**
    * @dev the array of user
    */
    address[] private _totalUserArray;
    
    /**
    * @dev the label of user who has staked.
    */
    mapping(address => bool) _isMarked;

    /**
    * @dev the staked amount of user.
    */
    mapping(address => uint256) private _staked;

    /**
    * @dev the claimed amount of user.
    */
    mapping(address => uint256) private _claimed;

    function initialize(address admin, uint256 cycleId_, address airdropToken_, address stakeToken_) initializer public {
        cycleId = cycleId_;
        airdropToken = airdropToken_;
        stakeToken = stakeToken_;
        __AccessControl_init();
        __ReentrancyGuard_init();
        _setupRole(DEFAULT_ADMIN_ROLE, admin);
    }

    modifier modifyLocked() {
        require(_totalClaimed == 0, "ARD:E07");
        _;
    }

    modifier beforeStake() {
        require(isStakeOn, "ARD:E05");
        _;
    }

    modifier beforeClaim() {
        require(isClaimOn, "ARD:E05");
        _;
    }

    /// @inheritdoc IStakeAirdrop
    function cycle() public view returns (uint256, uint256) {
        return (_startAt, _expiredAt);
    }

    /// @inheritdoc IStakeAirdrop
    function releaseTimePeriod() public view returns (uint256[] memory) {
        return _releaseTimePeriod;
    }

    /// @inheritdoc IStakeAirdrop
    function releaseNumFactor() public view returns (uint256[] memory) {
        return _releaseNumFactor;
    }

    /// @inheritdoc IStakeAirdrop
    function totalSupply() public view returns (uint256) {
        return _totalSupply;
    }

    /// @inheritdoc IStakeAirdrop
    function topUpAmount() public view returns (uint256) {
        return _topUpAmount;
    }

    /// @inheritdoc IStakeAirdrop
    function totalStaked() public view returns (uint256) {
        return _totalStaked;
    }

    /// @inheritdoc IStakeAirdrop
    function totalClaimed() public view returns (uint256) {
        return _totalClaimed;
    }

    /// @inheritdoc IStakeAirdrop
    function totalUser() public view returns (uint256) {
        return _totalUser;
    }

    /// @inheritdoc IStakeAirdrop
    function stakedOf(address user_) public view returns (uint256) {
        return _staked[user_];
    }

    /// @inheritdoc IStakeAirdrop
    function claimedOf(address user_) public view returns (uint256) {
        return _claimed[user_];
    }

    /// @inheritdoc IStakeAirdrop
    function exportStaked(uint256 startIndex, uint256 endIndex) public view returns(address[] memory, uint256[] memory) {
        uint256 arrayLen = endIndex + 1;
        address[] memory userArray = new address[](arrayLen);
        uint256[] memory userStaked = new uint256[](arrayLen);
        for (uint256 i = startIndex; i < arrayLen; i++) {
            uint256 index = i - startIndex;
            address user = _totalUserArray[i];

            userArray[index] = user;
            userStaked[index] = _staked[user];
        }
        return (userArray, userStaked);
    }

    /// @inheritdoc IStakeAirdrop
    function reviewOf(address user_) public view returns (uint256, uint256, uint256) {
        // totalClaim = _totalSupply * userStaked / totalStaked;
        uint256 totalClaim = _totalSupply.mul(_staked[user_]).div(_totalStaked);

        // _claimFactor = _releaseNumFactor[0] + _releaseNumFactor[1] + _releaseNumFactor[n] + ...;
        uint256 _claimFactor = _selectSumFactor();

        // _maxFakeClaim = totalClaim * _claimFactor / 100;
        uint256 _maxFakeClaim = totalClaim.mul(_claimFactor).div(100);

        // _availableClaim = _maxFakeClaim - user_claimed;
        uint256 availableClaim = _maxFakeClaim.sub(_claimed[user_]);

        // lockedClaim = totalClaim - _maxFakeClaim; 
        uint256 lockedClaim = totalClaim.sub(_maxFakeClaim);

        require(totalClaim <= _totalSupply, "ADR:E08");
        require(availableClaim + _claimed[user_] <= _maxFakeClaim, "ADR:E09");
        require(lockedClaim + _maxFakeClaim <= totalClaim, "ARD:E10");

        return (availableClaim, lockedClaim, totalClaim);
    }

    /**
    * @notice record user address when user stake the token.
    * @param user_ address
    */
    function _markUser(address user_) internal {
        if (!_isMarked[user_]) {
            _isMarked[user_] = true;
            _totalUserArray.push(user_);
            _totalUser += 1;
        }
    }

    /**
    * @notice calculate the sum of releaseNumFactor when timestamp is bigger than last release timePeriod.
    * @return claimFactor
    */
    function _selectSumFactor() internal view returns (uint256) {
        uint256 claimFactor = 0;
        for (uint256 i = 0; i < _releaseTimePeriod.length; i++) {
            if (block.timestamp > _releaseTimePeriod[i]) {
                // _releaseNumFactor[0] + _releaseNumFactor[1] + _releaseNumFactor[n] + ...;
                claimFactor += _releaseNumFactor[i];
            }
        }
        return claimFactor;
    }

    /**
    * @notice calculate the sum of totalStaked.
    * @return totalStaked
    */
    function _updateTotalStaked() internal returns (uint256) {
        uint256 totalStakedNew = 0;
        for (uint256 i = 0; i < _totalUserArray.length; i++) {
            totalStakedNew += _staked[_totalUserArray[i]];
        }
        _totalStaked = totalStakedNew;
        return _totalStaked;
    }

    /// @inheritdoc IStakeAirdrop
    function setStakeOn(bool isStakeOn_) external onlyRole(DATA_ADMIN) {
        isStakeOn = isStakeOn_;
        emit SetStakeOn(isStakeOn_);
    }

    /// @inheritdoc IStakeAirdrop
    function setClaimOn(bool isClaimOn_) external onlyRole(DATA_ADMIN) {
        isClaimOn = isClaimOn_;
        emit SetClaimOn(isClaimOn_);
    }

    /// @inheritdoc IStakeAirdrop
    function setImportOn(bool isImportOn_) external onlyRole(DATA_ADMIN) {
        isImportOn = isImportOn_;
        emit SetImportOn(isImportOn_);
    }

    /// @inheritdoc IStakeAirdrop
    function setTopUpAmount(uint256 topUpAmount_) external modifyLocked onlyRole(DATA_ADMIN) {
        _topUpAmount = topUpAmount_;
        emit SetTopUpAmount(topUpAmount_);
    }

    /// @inheritdoc IStakeAirdrop
    function setCycleTime(uint256 startAt_, uint256 expiredAt_) external modifyLocked onlyRole(DATA_ADMIN) {
        require(startAt_ > block.timestamp && expiredAt_ > startAt_, "ARD:E11");
        _startAt = startAt_;
        _expiredAt = expiredAt_;
        emit SetCycleTime(startAt_, expiredAt_);
    }

    /// @inheritdoc IStakeAirdrop
    function setReleaseConfig(uint256[] memory releaseTimePeriod_, uint256[] memory releaseNumFactor_) external modifyLocked onlyRole(DATA_ADMIN) {
        require(releaseTimePeriod_.length > 0, "ARD:E12");
        require(releaseTimePeriod_.length == releaseNumFactor_.length, "ARD:E06");
        require(releaseTimePeriod_[0] > _expiredAt, "ARD:E13");

        uint256 arrayLen = releaseTimePeriod_.length;
        uint256 releaseNumTotal = 0;
        for (uint256 i = 0; i < arrayLen; i++) {
            if (i + 1 < arrayLen) {
                require(releaseTimePeriod_[i] < releaseTimePeriod_[i + 1], "ARD:E14");
            }

            releaseNumTotal += releaseNumFactor_[i];
        }
        require(releaseNumTotal == 100, "ARD:E15");

        _releaseTimePeriod = releaseTimePeriod_;
        _releaseNumFactor = releaseNumFactor_;
        emit SetReleaseConfig(releaseTimePeriod_, releaseNumFactor_);
    }

    /// @inheritdoc IStakeAirdrop
    function importStaked(address[] memory userArray_, uint256[] memory userStaked_) external modifyLocked onlyRole(DATA_ADMIN) returns (uint256) {
        require(isImportOn, "ARD:E05");
        require(userArray_.length == userStaked_.length, "ARD:E06");

        for (uint256 i = 0; i < userArray_.length; i++) {
            address uesr = userArray_[i];
            uint256 userStaked = userStaked_[i];
            _staked[uesr] = userStaked;
            _markUser(uesr);
        }
        isImportOn = false;
        return _updateTotalStaked();
    }

    /// @inheritdoc IStakeAirdrop
    function withdrawRemaining(address token, uint256 amount) external nonReentrant onlyRole(DATA_ADMIN) returns (uint256) {
        require(!isClaimOn, "ARD:E16");
        return withdraw(token, amount);
    }

    /// @inheritdoc IStakeAirdrop
    function topUp(uint256 addAmount) external modifyLocked onlyRole(DATA_ADMIN) returns (uint256) {
        require(IERC20(airdropToken).balanceOf(msg.sender) >= addAmount, "ARD:E02");
        require(addAmount == _topUpAmount, "ARD:E04");

        uint256 actualAddAmount = doTransferIn(airdropToken, msg.sender, addAmount);
        // totalReservesNew + actualAddAmount
        uint256 totalSupplyNew = _totalSupply.add(actualAddAmount);

        /* Revert on overflow */
        require(totalSupplyNew > _totalSupply, "ARD:E03");

        _totalSupply = totalSupplyNew;
        emit TopUp(msg.sender, actualAddAmount, totalSupplyNew);
        return actualAddAmount;
    }

    /// @inheritdoc IStakeAirdrop
    function stake(uint256 amount) external beforeStake nonReentrant returns (uint256) {
        require(block.timestamp > _startAt && block.timestamp < _expiredAt, "ARD:E01");
        require(IERC20(stakeToken).balanceOf(msg.sender) >= amount, "ARD:E02");

        uint256 actualAddAmount = doTransferIn(stakeToken, msg.sender, amount);
        uint256 totalStakedNew = _totalStaked.add(actualAddAmount);

        require(totalStakedNew > _totalStaked, "ARD:E03");

        _totalStaked = totalStakedNew;
        _staked[msg.sender] = _staked[msg.sender].add(actualAddAmount);

        _markUser(msg.sender);
        emit Staked(msg.sender, actualAddAmount, totalStakedNew);
        return actualAddAmount;
    }

    /// @inheritdoc IStakeAirdrop
    function claim() external beforeClaim nonReentrant returns (uint256) {
        (uint256 availableClaim, uint256 lockedClaim, uint256 totalClaim) = reviewOf(msg.sender);
        require(availableClaim > 0, "ARD:E00");

        IERC20(airdropToken).approve(msg.sender, availableClaim);
        uint256 actualClaimedAmount = doTransferOut(airdropToken, msg.sender, availableClaim);
        _claimed[msg.sender] = _claimed[msg.sender].add(actualClaimedAmount);
        _totalClaimed = _totalClaimed.add(actualClaimedAmount);
        emit Claimed(msg.sender, actualClaimedAmount, _totalClaimed);
        return actualClaimedAmount;
    }

}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import "openzeppelin-contracts-upgradeable/contracts/access/AccessControlUpgradeable.sol";


abstract contract AirdropAccessControl is AccessControlUpgradeable {
    // market administrator
    bytes32 public constant MARKET_ADMIN = bytes32(keccak256(abi.encodePacked("Market_Admin")));

    // data administrator
    bytes32 public constant DATA_ADMIN = bytes32(keccak256(abi.encodePacked("Data_Admin")));

}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import "openzeppelin-contracts/contracts/token/ERC20/IERC20.sol";
import "openzeppelin-contracts-upgradeable/contracts/security/ReentrancyGuardUpgradeable.sol";

contract FireCatTransfer is ReentrancyGuardUpgradeable {
    event Withdraw(address sender_, address token_, uint256 amount_);

     /**
     * @dev Performs a transfer in, reverting upon failure. Returns the amount actually transferred to the protocol, in case of a fee.
     * @param token_ address.
     * @param from_ address.
     * @param amount_ uint.
     * @return transfer_num.
     */
    function doTransferIn(address token_, address from_, uint amount_) internal returns (uint) {
        uint balanceBefore = IERC20(token_).balanceOf(address(this));
        IERC20(token_).transferFrom(from_, address(this), amount_);

        bool success;
        assembly {
            switch returndatasize()
                case 0 {                       // This is a non-standard ERC-20
                    success := not(0)          // set success to true
                }
                case 32 {                      // This is a compliant ERC-20
                    returndatacopy(0, 0, 32)
                    success := mload(0)        // Set `success = returndata` of external call
                }
                default {                      // This is an excessively non-compliant ERC-20, revert.
                    revert(0, 0)
                }
        }
        require(success, "TOKEN_TRANSFER_IN_FAILED");
        uint balanceAfter = IERC20(token_).balanceOf(address(this));
        require(balanceAfter >= balanceBefore, "TOKEN_TRANSFER_IN_OVERFLOW");
        return balanceAfter - balanceBefore;  // underflow already checked above, just subtract
    }

    /**
     * @dev Performs a transfer out, ideally returning an explanatory error code upon failure tather than reverting.
     *  If caller has not called checked protocol's balance, may revert due to insufficient cash held in the contract.
     *  If caller has checked protocol's balance, and verified it is >= amount, this should not revert in normal conditions.
     * @param token_ address.
     * @param to_ address.
     * @param amount_ uint.
     * @return transfer_num.
     */
    function doTransferOut(address token_, address to_, uint256 amount_) internal returns (uint) {
        uint balanceBefore = IERC20(token_).balanceOf(address(this));
        IERC20(token_).transfer(to_, amount_);

        bool success;
        assembly {
            switch returndatasize()
                case 0 {                      // This is a non-standard ERC-20
                    success := not(0)          // set success to true
                }
                case 32 {                     // This is a compliant ERC-20
                    returndatacopy(0, 0, 32)
                    success := mload(0)        // Set `success = returndata` of external call
                }
                default {                     // This is an excessively non-compliant ERC-20, revert.
                    revert(0, 0)
                }
        }
        require(success, "TOKEN_TRANSFER_IN_FAILED");
        uint balanceAfter = IERC20(token_).balanceOf(address(this));
        require(balanceAfter <= balanceBefore, "TOKEN_TRANSFER_IN_OVERFLOW");
        return balanceBefore - balanceAfter;  // underflow already checked above, just subtract
    }

    /**
    * @notice The interface of IERC20 token withdrawn.
    * @dev Call doTransferOut, transfer token to owner.
    * @param token address.
    * @param amount uint256.
    * @return actualSubAmount.
    */
    function withdraw(address token, uint256 amount) internal returns (uint) {
        require(token != address(0), "TOKEN_CANT_BE_ZERO");
        require(IERC20(token).balanceOf(address(this)) >= amount, "NOT_ENOUGH_TOKEN");
        IERC20(token).approve(msg.sender, amount);
        uint256 actualSubAmount = doTransferOut(token, msg.sender, amount);
        emit Withdraw(msg.sender, token, actualSubAmount);
        return actualSubAmount;
    }

}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

/**
* @notice IStakeAirdrop
*/
interface IStakeAirdrop {
    /**
    * @notice the stake time period
    * @return startAt, expiredAt 
    */
    function cycle() external view returns (uint256, uint256);

    /**
    * @notice the release time period
    * @return releaseTimePeriod
    */
    function releaseTimePeriod() external view returns (uint256[] memory);

    /**
    * @notice the release num factor
    * @return releaseNumFactor
    */
    function releaseNumFactor() external view returns (uint256[] memory);

    /**
    * @notice the stake token
    * @return stakeToken
    */
    function stakeToken() external view returns (address);

    /**
    * @notice the airdrop token
    * @return airdropToken
    */
    function airdropToken() external view returns (address);

    /**
    * @notice the airdrop amount, topUp amonut must be equal this value.
    * @return airdropAmount
    */
    function topUpAmount() external view returns (uint256);

    /**
    * @notice the airdrop amount, after topUp(), this value will be equal to topUpAmount.
    * @return totalSupply
    */
    function totalSupply() external view returns (uint256);

    /**
    * @notice the total staked amount.
    * @return totalStaked
    */
    function totalStaked() external view returns (uint256);

    /**
    * @notice the total claimed amount.
    * @return totalClaimed
    */
    function totalClaimed() external view returns (uint256);

    /**
    * @notice the amout of user who has staked.
    * @dev when user staked, this value will be add 1.
    * @return totalUser
    */
    function totalUser() external view returns (uint256);

    /**
    * @notice the staked amount of user.
    * @param user_ address
    * @return stakedAmount
    */
    function stakedOf(address user_) external view returns (uint256);

    /**
    * @notice the claimed amount of user.
    * @param user_ address
    * @return claimedAmount
    */
    function claimedOf(address user_) external view returns (uint256);

    /**
    * @notice export staked user, staked amount
    * @dev start index of array, end index of array.
    * @param startIndex uint256
    * @param endIndex uint256
    * @return stakedUser, stakedAmount
    */
    function exportStaked(uint256 startIndex, uint256 endIndex) external view returns(address[] memory, uint256[] memory);

    /**
    * @notice check the aridrop of user.
    * @param user_ address
    * @return availableClaim, lockedClaim, totalClaim
    */
    function reviewOf(address user_) external view returns (uint256, uint256, uint256);

    /**
    * @notice the stake switch, default is false
    * @param isStakeOn_ bool
    */
    function setStakeOn(bool isStakeOn_) external;

    /**
    * @notice the claim switch, default is false
    * @param isClaimOn_ bool
    */
    function setClaimOn(bool isClaimOn_) external;

    /**
    * @notice the import staked switch, default is false
    * @param isImportOn_ bool
    */
    function setImportOn(bool isImportOn_) external;

    /**
    * @notice set the airdrop amount
    * @param topUpAmount_ uint256
    */
    function setTopUpAmount(uint256 topUpAmount_) external;

    /**
    * @notice set the stake time period
    * @param startAt_ uint256
    * @param expiredAt_ uint256
    */
    function setCycleTime(uint256 startAt_, uint256 expiredAt_) external;

    /**
    * @notice set the release time period, release num factor
    * @param releaseTimePeriod_ uint256[]
    * @param releaseNumFactor_ uint256[]
    */
    function setReleaseConfig(uint256[] memory releaseTimePeriod_, uint256[] memory releaseNumFactor_) external;

    /**
    * @notice import staked user, staked amonut.
    * @param userArray_ address[]
    * @param userStaked_ uint256[]
    * @return result
    */
    function importStaked(address[] memory userArray_, uint256[] memory userStaked_) external returns (uint256);

    /**
    * @notice The interface of IERC20 withdrawn.
    * @dev Trasfer token to admin.
    * @param token address.
    * @param amount uint256.
    * @return actualSubAmount.
    */
    function withdrawRemaining(address token, uint256 amount) external returns (uint256);

    /**
    * @notice topUp the airdrop amount.
    * @param addAmount uint256
    * @return actualTopUpAmount
    */
    function topUp(uint256 addAmount) external returns (uint256);

    /**
    * @notice the interface of stake.
    * @param amount_ uint256
    * @return actualStakedAmount
    */
    function stake(uint256 amount_) external returns (uint256);

    /**
    * @notice the interface of claim.
    * @return actualClaimedAmount
    */
    function claim() external  returns (uint256);
}

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

pragma solidity ^0.8.0;

import "./IAccessControlUpgradeable.sol";
import "../utils/ContextUpgradeable.sol";
import "../utils/StringsUpgradeable.sol";
import "../utils/introspection/ERC165Upgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControlUpgradeable is Initializable, ContextUpgradeable, IAccessControlUpgradeable, ERC165Upgradeable {
    function __AccessControl_init() internal onlyInitializing {
    }

    function __AccessControl_init_unchained() internal onlyInitializing {
    }
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role);
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlUpgradeable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        StringsUpgradeable.toHexString(account),
                        " is missing role ",
                        StringsUpgradeable.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleGranted} event.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     *
     * May emit a {RoleRevoked} event.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     *
     * May emit a {RoleRevoked} event.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * May emit a {RoleGranted} event.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleGranted} event.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     *
     * May emit a {RoleRevoked} event.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }

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

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

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

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

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

    uint256 private _status;

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControlUpgradeable {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library StringsUpgradeable {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }
}

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

pragma solidity ^0.8.0;

import "./IERC165Upgradeable.sol";
import "../../proxy/utils/Initializable.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 ERC165Upgradeable is Initializable, IERC165Upgradeable {
    function __ERC165_init() internal onlyInitializing {
    }

    function __ERC165_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165Upgradeable).interfaceId;
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.2;

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

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

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

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

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

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original
     * initialization step. This is essential to configure modules that are added through upgrades and that require
     * initialization.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _initialized = version;
        _initializing = true;
        _;
        _initializing = false;
        emit Initialized(version);
    }

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

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

// 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 IERC165Upgradeable {
    /**
     * @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
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)

pragma solidity ^0.8.1;

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

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://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 functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

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

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

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

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

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

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

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

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

{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "solmate/=lib/solmate/src/",
    "src/=src/",
    "test/=test/",
    "script/=script/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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pe":"address[]"},{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"userArray_","type":"address[]"},{"internalType":"uint256[]","name":"userStaked_","type":"uint256[]"}],"name":"importStaked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"admin","type":"address"},{"internalType":"uint256","name":"cycleId_","type":"uint256"},{"internalType":"address","name":"airdropToken_","type":"address"},{"internalType":"address","name":"stakeToken_","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"isClaimOn","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isImportOn","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isStakeOn","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"releaseNumFactor","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"releaseTimePeriod","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user_","type":"address"}],"name":"reviewOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"isClaimOn_","type":"bool"}],"name":"setClaimOn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"startAt_","type":"uint256"},{"internalType":"uint256","name":"expiredAt_","type":"uint256"}],"name":"setCycleTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"isImportOn_","type":"bool"}],"name":"setImportOn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"releaseTimePeriod_","type":"uint256[]"},{"internalType":"uint256[]","name":"releaseNumFactor_","type":"uint256[]"}],"name":"setReleaseConfig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"isStakeOn_","type":"bool"}],"name":"setStakeOn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"topUpAmount_","type":"uint256"}],"name":"setTopUpAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"stake","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stakeToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user_","type":"address"}],"name":"stakedOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"addAmount","type":"uint256"}],"name":"topUp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"topUpAmount","outputs":[{"internalType":"uint2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