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// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
  /**
   * @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) {
    uint256 c = a + b;
    require(c >= a, "SafeMath: addition overflow");

    return c;
  }

  /**
   * @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 sub(a, b, "SafeMath: subtraction overflow");
  }

  /**
   * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
   * overflow (when the result is negative).
   *
   * Counterpart to Solidity's `-` operator.
   *
   * Requirements:
   *
   * - Subtraction cannot overflow.
   */
  function sub(
    uint256 a,
    uint256 b,
    string memory errorMessage
  ) internal pure returns (uint256) {
    require(b <= a, errorMessage);
    uint256 c = a - b;

    return c;
  }

  /**
   * @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) {
    // 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 0;
    }

    uint256 c = a * b;
    require(c / a == b, "SafeMath: multiplication overflow");

    return c;
  }

  /**
   * @dev Returns the integer division of two unsigned integers. Reverts 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) internal pure returns (uint256) {
    return div(a, b, "SafeMath: division by zero");
  }

  /**
   * @dev Returns the integer division of two unsigned integers. Reverts 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) {
    require(b > 0, errorMessage);
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold

    return c;
  }

  /**
   * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
   * Reverts 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 mod(a, b, "SafeMath: modulo by zero");
  }

  /**
   * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
   * Reverts with custom message 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,
    string memory errorMessage
  ) internal pure returns (uint256) {
    require(b != 0, errorMessage);
    return a % b;
  }
}

// File: contracts/libs/IBEP20.sol

pragma solidity >=0.6.4;

interface IBEP20 {
  /**
   * @dev Returns the amount of tokens in existence.
   */
  function totalSupply() external view returns (uint256);

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

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

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

  /**
   * @dev Returns the bep token owner.
   */
  function getOwner() external view returns (address);

  /**
   * @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);
}

// File: @openzeppelin/contracts/utils/Address.sol

pragma solidity >=0.6.2 <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;
    // solhint-disable-next-line no-inline-assembly
    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");

    // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
    (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");

    // solhint-disable-next-line avoid-low-level-calls
    (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");

    // solhint-disable-next-line avoid-low-level-calls
    (bool success, bytes memory returndata) = target.staticcall(data);
    return _verifyCallResult(success, returndata, errorMessage);
  }

  function _verifyCallResult(
    bool success,
    bytes memory returndata,
    string memory errorMessage
  ) private 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

        // solhint-disable-next-line no-inline-assembly
        assembly {
          let returndata_size := mload(returndata)
          revert(add(32, returndata), returndata_size)
        }
      } else {
        revert(errorMessage);
      }
    }
  }
}

// File: contracts/libs/SafeBEP20.sol

pragma solidity >=0.6.0 <0.8.0;

/**
 * @title SafeBEP20
 * @dev Wrappers around BEP20 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 SafeBEP20 for IBEP20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeBEP20 {
  using SafeMath for uint256;
  using Address for address;

  function safeTransfer(
    IBEP20 token,
    address to,
    uint256 value
  ) internal {
    _callOptionalReturn(
      token,
      abi.encodeWithSelector(token.transfer.selector, to, value)
    );
  }

  function safeTransferFrom(
    IBEP20 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
   * {IBEP20-approve}, and its usage is discouraged.
   *
   * Whenever possible, use {safeIncreaseAllowance} and
   * {safeDecreaseAllowance} instead.
   */
  function safeApprove(
    IBEP20 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'
    // solhint-disable-next-line max-line-length
    require(
      (value == 0) || (token.allowance(address(this), spender) == 0),
      "SafeBEP20: approve from non-zero to non-zero allowance"
    );
    _callOptionalReturn(
      token,
      abi.encodeWithSelector(token.approve.selector, spender, value)
    );
  }

  function safeIncreaseAllowance(
    IBEP20 token,
    address spender,
    uint256 value
  ) internal {
    uint256 newAllowance = token.allowance(address(this), spender).add(value);
    _callOptionalReturn(
      token,
      abi.encodeWithSelector(token.approve.selector, spender, newAllowance)
    );
  }

  function safeDecreaseAllowance(
    IBEP20 token,
    address spender,
    uint256 value
  ) internal {
    uint256 newAllowance = token.allowance(address(this), spender).sub(
      value,
      "SafeBEP20: decreased allowance below zero"
    );
    _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(IBEP20 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,
      "SafeBEP20: low-level call failed"
    );
    if (returndata.length > 0) {
      // Return data is optional
      // solhint-disable-next-line max-line-length
      require(
        abi.decode(returndata, (bool)),
        "SafeBEP20: BEP20 operation did not succeed"
      );
    }
  }
}

// File: @openzeppelin/contracts/GSN/Context.sol

pragma solidity >=0.6.0 <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 GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
  function _msgSender() internal view virtual returns (address payable) {
    return msg.sender;
  }

  function _msgData() internal view virtual returns (bytes memory) {
    this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
    return msg.data;
  }
}

// File: @openzeppelin/contracts/access/Ownable.sol

pragma solidity >=0.6.0 <0.8.0;

/**
 * @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() internal {
    address msgSender = _msgSender();
    _owner = msgSender;
    emit OwnershipTransferred(address(0), msgSender);
  }

  /**
   * @dev Returns the address of the current owner.
   */
  function owner() public view 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 {
    emit OwnershipTransferred(_owner, address(0));
    _owner = 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");
    emit OwnershipTransferred(_owner, newOwner);
    _owner = newOwner;
  }
}

abstract contract Pausable is Context {
  /**
   * @dev Emitted when the pause is triggered by `account`.
   */
  event Paused(address account);

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

  bool private _paused;

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

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

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

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

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

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

pragma solidity 0.6.12;

contract DerpyStaking is Ownable, Pausable, ReentrancyGuard {
  using SafeMath for uint256;
  using SafeBEP20 for IBEP20;

  // Info of each user.
  struct UserInfo {
    uint256 amount; // How many LP tokens the user has provided.
    uint256 rewardDebt; // Reward debt. See explanation below.
  }

  // Info of each pool.
  struct PoolInfo {
    IBEP20 lpToken; // Address of LP token contract.
    uint256 allocPoint; // How many allocation points assigned to this pool. Rewards to distribute per block.
    uint256 lastRewardBlock; // Last block number that Rewards distribution occurs.
    uint256 accRewardPerShare; // Accumulated Rewards per share, times 1e9. See below.
  }

  IBEP20 public BaseToken;
  IBEP20 public rewardToken;

  // Reward tokens created per block.
  uint256 public rewardPerBlock;

  // Info of each pool.
  PoolInfo[] public poolInfo;
  // Info of each user that stakes LP tokens.
  mapping(address => UserInfo) public userInfo;
  // Total allocation poitns. Must be the sum of all allocation points in all pools.
  uint256 private totalAllocPoint = 0;
  // The block number when Reward mining starts.
  uint256 public startBlock;
  // The block number when Reward mining ends.
  uint256 public rewardEndBlock;
  mapping(address => uint256) public time;
  mapping(address => uint256) public reflectionsClaimed;
  mapping(address => uint256) public depositers;
  uint256 public totalStaked = 0;
  uint256 public totalReflectionRewards = 0;
  uint256 public totalRewardsDeposited = 0;
  uint256 public totalRewardsClaimed = 0;
  uint256 public totalReflectionsClaimed = 0;

  bool public depositsPaused = false;
  uint256 public lockupPeriod = 3628800; // in seconds
  uint256 public minStakingAmount = 100000000 * 10**9; //min staking amount
  bool public emergencyWithdrawEnabled = false;
  address public constant BURN_ADDRESS =
    0x000000000000000000000000000000000000dEaD;

  event Deposit(address indexed user, uint256 amount);
  event DepositRewards(uint256 amount);
  event RewardClaim(address indexed user, uint256 amount);
  event ReflectionsClaim(address indexed user, uint256 amount);
  event ReflectionRewardsSet(uint256 amount);
  event Withdraw(address indexed user, uint256 amount);
  event EmergencyWithdraw(address indexed user, uint256 amount);
  event EmergencyAdminWithdraw();
  event EmergencyWithdrawToggled(bool toggled);
  event DepositsPaused(bool pause);
  event AdminTokenRecovery(address tokenRecovered, uint256 amount);

  constructor(
    IBEP20 _BaseToken,
    IBEP20 _rewardToken,
    uint256 _rewardPerBlock,
    uint256 _startBlock,
    uint256 _rewardEndBlock
  ) public {
    BaseToken = _BaseToken;
    rewardToken = _rewardToken;
    rewardPerBlock = _rewardPerBlock;
    startBlock = _startBlock;
    rewardEndBlock = _rewardEndBlock;

    // staking pool
    poolInfo.push(
      PoolInfo({
        lpToken: _BaseToken,
        allocPoint: 1000,
        lastRewardBlock: startBlock,
        accRewardPerShare: 0
      })
    );

    totalAllocPoint = 1000;
  }

  function pauseContract() public onlyOwner {
    _pause();
  }

  function unpauseContract() public onlyOwner {
    _unpause();
  }

  modifier notContract() {
    require(!_isContract(msg.sender), "contract not allowed");
    require(msg.sender == tx.origin, "proxy contract not allowed");
    _;
  }

  function _isContract(address addr) internal view returns (bool) {
    uint256 size;
    assembly {
      size := extcodesize(addr)
    }
    return size > 0;
  }

  function pauseDeposits(bool pause) external onlyOwner {
    depositsPaused = pause;
    emit DepositsPaused(pause);
  }

  function changeMinTime(uint256 _time) external onlyOwner {
    lockupPeriod = _time;
  }

  function changeMinStakingAmount(uint256 amount) external onlyOwner {
    minStakingAmount = amount;
  }

  function adjustEndBlock(uint256 _blockNumber) public onlyOwner {
    rewardEndBlock = _blockNumber;
  }

  function stopReward() public onlyOwner {
    rewardEndBlock = block.number;
  }

  function setReflectionRewards(uint256 _reflectionRewards) external onlyOwner {
    totalReflectionRewards = _reflectionRewards;
    emit ReflectionRewardsSet(_reflectionRewards);
  }

  // Return reward multiplier over the given _from to _to block.
  function getMultiplier(uint256 _from, uint256 _to)
    public
    view
    returns (uint256)
  {
    if (_to <= rewardEndBlock) {
      return _to.sub(_from);
    } else if (_from >= rewardEndBlock) {
      return 0;
    } else {
      return rewardEndBlock.sub(_from);
    }
  }

  function pendingReward(address _user) external view returns (uint256) {
    PoolInfo storage pool = poolInfo[0];
    UserInfo storage user = userInfo[_user];
    if (user.amount == 0) {
      return 0;
    }
    uint256 accRewardPerShare = pool.accRewardPerShare;
    uint256 lpSupply = totalStaked;
    if (block.number > pool.lastRewardBlock && lpSupply != 0) {
      uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
      uint256 rewardReward = multiplier
        .mul(rewardPerBlock)
        .mul(pool.allocPoint)
        .div(totalAllocPoint);
      accRewardPerShare = accRewardPerShare.add(
        rewardReward.mul(1e9).div(lpSupply)
      );
    }
    return user.amount.mul(accRewardPerShare).div(1e9).sub(user.rewardDebt);
  }

  function updatePool(uint256 _pid) private {
    PoolInfo storage pool = poolInfo[_pid];
    if (block.number <= pool.lastRewardBlock) {
      return;
    }
    uint256 lpSupply = totalStaked;
    if (lpSupply == 0) {
      pool.lastRewardBlock = block.number;
      return;
    }
    uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
    uint256 rewardReward = multiplier
      .mul(rewardPerBlock)
      .mul(pool.allocPoint)
      .div(totalAllocPoint);
    pool.accRewardPerShare = pool.accRewardPerShare.add(
      rewardReward.mul(1e9).div(lpSupply)
    );
    pool.lastRewardBlock = block.number;
  }

  function massUpdatePools() private {
    uint256 length = poolInfo.length;
    for (uint256 pid = 0; pid < length; ++pid) {
      updatePool(pid);
    }
  }

  function deposit(uint256 _amount)
    public
    notContract
    whenNotPaused
    nonReentrant
  {
    PoolInfo storage pool = poolInfo[0];
    UserInfo storage user = userInfo[msg.sender];
    require(block.number >= startBlock, "deposit: too early to deposit");
    require(block.number <= rewardEndBlock, "deposit: too late to deposit");
    require(!depositsPaused, "deposit: deposits in pause mode");
    require(
      depositers[msg.sender] == 0,
      "deposit: this address has deposited already"
    );
    updatePool(0);
    if (user.amount == 0) {
      require(
        _amount >= minStakingAmount,
        "deposit: amount should greator than equal to min"
      );
    }
    if (_amount > 0) {
      pool.lpToken.safeTransferFrom(
        address(msg.sender),
        address(this),
        _amount
      );
      user.amount = user.amount.add(_amount);
    }
    user.rewardDebt = user.amount.mul(pool.accRewardPerShare).div(1e9);
    if (time[msg.sender] == 0) {
      uint256 lockupFactor = (block.timestamp % 20) + 1;
      time[msg.sender] =
        block.timestamp +
        lockupPeriod +
        (lockupFactor * 86400);
    }
    totalStaked += _amount;
    depositers[msg.sender] = 1;
    emit Deposit(msg.sender, _amount);
  }

  function depositStakingRewards(uint256 _amount) public onlyOwner {
    PoolInfo storage pool = poolInfo[0];
    pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
    totalRewardsDeposited += _amount;
    emit DepositRewards(_amount);
  }

  function withdraw() public notContract whenNotPaused nonReentrant {
    PoolInfo storage pool = poolInfo[0];
    UserInfo storage user = userInfo[msg.sender];
    require(time[msg.sender] <= block.timestamp, "withdraw: cant withdraw yet");
    require(
      block.number > rewardEndBlock,
      "withdraw: cant withdraw before staking ends"
    );
    require(user.amount > 0, "withdraw: address empty");
    require(
      totalReflectionRewards > 0,
      "withdraw: totalReflectionRewards finished"
    );

    uint256 amountCached = user.amount;
    updatePool(0);
    uint256 pending = user.amount.mul(pool.accRewardPerShare).div(1e9).sub(
      user.rewardDebt
    );
    uint256 totalRewards = (rewardEndBlock.sub(startBlock)).mul(rewardPerBlock);

    if (
      reflectionsClaimed[msg.sender] == 0 &&
      totalRewards > 0 &&
      pending > 0 &&
      totalReflectionRewards > 0
    ) {
      uint256 reflectionReward = pending.mul(totalReflectionRewards).div(
        totalRewards
      );
      totalReflectionsClaimed += reflectionReward;
      reflectionsClaimed[msg.sender] = 1;
      rewardToken.safeTransfer(address(msg.sender), reflectionReward);
      emit ReflectionsClaim(msg.sender, reflectionReward);
    }
    if (pending > 0) {
      rewardToken.safeTransfer(address(msg.sender), pending);
      totalRewardsClaimed += pending;
      emit RewardClaim(msg.sender, pending);
    }

    user.amount = 0;
    pool.lpToken.safeTransfer(address(msg.sender), amountCached);

    totalStaked -= amountCached;
    user.rewardDebt = amountCached.mul(pool.accRewardPerShare).div(1e9);

    emit Withdraw(msg.sender, amountCached);
  }

  function toggleEmergencyWithdraw(bool _toggle) public onlyOwner {
    emergencyWithdrawEnabled = _toggle;
    emit EmergencyWithdrawToggled(_toggle);
  }

  function emergencyWithdraw() public notContract whenNotPaused nonReentrant {
    require(emergencyWithdrawEnabled, "emergencyWithdraw: not enabled");
    PoolInfo storage pool = poolInfo[0];
    UserInfo storage user = userInfo[msg.sender];
    pool.lpToken.safeTransfer(address(msg.sender), user.amount);
    user.amount = 0;
    user.rewardDebt = 0;
    emit EmergencyWithdraw(msg.sender, user.amount);
  }

  function emergencyAdminWithdraw() public onlyOwner {
    PoolInfo storage pool = poolInfo[0];
    pool.lpToken.safeTransfer(
      address(msg.sender),
      pool.lpToken.balanceOf(address(this))
    );
    emit EmergencyAdminWithdraw();
  }

  function getUserInfo(address userAddress)
    public
    view
    returns (uint256, uint256)
  {
    UserInfo storage user = userInfo[userAddress];
    return (user.amount, user.rewardDebt);
  }

  function recoverWrongTokens(address _tokenAddress, uint256 _tokenAmount)
    external
    onlyOwner
  {
    block.number > rewardEndBlock + 1000;
    IBEP20(_tokenAddress).safeTransfer(address(msg.sender), _tokenAmount);
    emit AdminTokenRecovery(_tokenAddress, _tokenAmount);
  }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @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 ReentrancyGuard {
    // 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;

    constructor () internal {
        _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 make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // 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;

        _;

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

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

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IBEP20","name":"_rewardToken","type":"address"},{"internalType":"uint256","name":"_rewardPerBlock","type":"uint256"},{"internalType":"uint256","name":"_startBlock","type":"uint256"},{"internalType":"uint256","name":"_rewardEndBlock","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"tokenRecovered","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"AdminTokenRecovery","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"DepositRewards","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"pause","type":"bool"}],"name":"DepositsPaused","type":"event"},{"anonymous":false,"inputs":[],"name":"EmergencyAdminWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EmergencyWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"toggled","type":"bool"}],"name":"EmergencyWithdrawToggled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ReflectionRewardsSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ReflectionsClaim","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RewardClaim","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"BURN_ADDRESS","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"BaseToken","outputs":[{"internalType":"contract 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000000000000000000000000c4f4fd359e36b831a989986385d127f11124ce0a000000000000000000000000c4f4fd359e36b831a989986385d127f11124ce0a00000000000000000000000000000000000000000000000000002d79883d20000000000000000000000000000000000000000000000000000000000000ecc61c0000000000000000000000000000000000000000000000000000000000f0e4cc

-----Decoded View---------------
Arg [0] : _BaseToken (address): 0xC4F4Fd359E36B831a989986385d127F11124ce0a
Arg [1] : _rewardToken (address): 0xC4F4Fd359E36B831a989986385d127F11124ce0a
Arg [2] : _rewardPerBlock (uint256): 50000000000000
Arg [3] : _startBlock (uint256): 15517212
Arg [4] : _rewardEndBlock (uint256): 15787212

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000c4f4fd359e36b831a989986385d127f11124ce0a
Arg [1] : 000000000000000000000000c4f4fd359e36b831a989986385d127f11124ce0a
Arg [2] : 00000000000000000000000000000000000000000000000000002d79883d2000
Arg [3] : 0000000000000000000000000000000000000000000000000000000000ecc61c
Arg [4] : 0000000000000000000000000000000000000000000000000000000000f0e4cc