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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import '@openzeppelin/contracts/interfaces/IERC721.sol';
import '@openzeppelin/contracts/utils/math/SafeMath.sol';
import '@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol';
import './interfaces/IConditional.sol';
import './interfaces/IMultiplier.sol';
import './interfaces/IOKLGRewardDistributor.sol';
import './OKLGWithdrawable.sol';

contract OKLGRewardDistributor is IOKLGRewardDistributor, OKLGWithdrawable {
  using SafeMath for uint256;

  struct Reward {
    uint256 totalExcluded; // excluded reward
    uint256 totalRealised;
    uint256 lastClaim; // used for boosting logic
  }

  struct Share {
    uint256 amount;
    uint256 amountBase;
    uint256 stakedTime;
    uint256[] nftBoostTokenIds;
  }

  uint256 public minSecondsBeforeUnstake = 43200;
  address public shareholderToken;
  address public nftBoosterToken;
  uint256 public totalStakedUsers;
  uint256 public totalSharesBoosted;
  uint256 public totalSharesDeposited; // will only be actual deposited tokens without handling any reflections or otherwise
  address wrappedNative;
  IUniswapV2Router02 router;

  // amount of shares a user has
  mapping(address => Share) shares;
  // reward information per user
  mapping(address => Reward) public rewards;

  address public boostContract;
  address public boostMultiplierContract;

  uint256 public totalRewards;
  uint256 public totalDistributed; // to be shown in UI
  uint256 public rewardsPerShare;

  uint256 public constant ACC_FACTOR = 10**36;
  address public constant DEAD = 0x000000000000000000000000000000000000dEaD;

  constructor(
    address _dexRouter,
    address _shareholderToken,
    address _nftBoosterToken,
    address _wrappedNative
  ) {
    router = IUniswapV2Router02(_dexRouter);
    shareholderToken = _shareholderToken;
    nftBoosterToken = _nftBoosterToken;
    wrappedNative = _wrappedNative;
  }

  function stake(uint256 amount, uint256[] memory nftTokenIds) external {
    _stake(msg.sender, amount, nftTokenIds, false);
  }

  function _stake(
    address shareholder,
    uint256 amount,
    uint256[] memory nftTokenIds,
    bool overrideTransfers
  ) private {
    if (shares[shareholder].amount > 0 && !overrideTransfers) {
      distributeReward(shareholder, false);
    }

    IERC20 shareContract = IERC20(shareholderToken);
    uint256 stakeAmount = amount == 0
      ? shareContract.balanceOf(shareholder)
      : amount;
    uint256 sharesBefore = shares[shareholder].amount;

    // for compounding we will pass in this contract override flag and assume the tokens
    // received by the contract during the compounding process are already here, therefore
    // whatever the amount is passed in is what we care about and leave it at that. If a normal
    // staking though by a user, transfer tokens from the user to the contract.
    uint256 finalBaseAmount = stakeAmount;
    if (!overrideTransfers) {
      uint256 shareBalanceBefore = shareContract.balanceOf(address(this));
      shareContract.transferFrom(shareholder, address(this), stakeAmount);
      finalBaseAmount = shareContract.balanceOf(address(this)).sub(
        shareBalanceBefore
      );

      IERC721 nftContract = IERC721(nftBoosterToken);
      for (uint256 i = 0; i < nftTokenIds.length; i++) {
        nftContract.transferFrom(shareholder, address(this), nftTokenIds[i]);
        shares[shareholder].nftBoostTokenIds.push(nftTokenIds[i]);
      }
    }

    // NOTE: temporarily setting shares[shareholder].amount to base deposited to get elevated shares.
    // They depend on shares[shareholder].amount being populated, but we're simply reversing this
    // after calculating boosted amount
    uint256 currentAmountWithBoost = shares[shareholder].amount;
    shares[shareholder].amount = shares[shareholder].amountBase.add(
      finalBaseAmount
    );

    // this is the final amount AFTER adding the new base amount, not just the additional
    uint256 finalBoostedAmount = getElevatedSharesWithBooster(
      shareholder,
      shares[shareholder].amount
    );

    shares[shareholder].amount = currentAmountWithBoost;

    totalSharesDeposited = totalSharesDeposited.add(finalBaseAmount);
    totalSharesBoosted = totalSharesBoosted.sub(shares[shareholder].amount).add(
        finalBoostedAmount
      );
    shares[shareholder].amountBase += finalBaseAmount;
    shares[shareholder].amount = finalBoostedAmount;
    shares[shareholder].stakedTime = block.timestamp;
    if (sharesBefore == 0 && shares[shareholder].amount > 0) {
      totalStakedUsers++;
    }
    rewards[shareholder].totalExcluded = getCumulativeRewards(
      shares[shareholder].amount
    );
  }

  function unstake(uint256 boostedAmount, bool relinquishRewards) external {
    require(
      shares[msg.sender].amount > 0 &&
        (boostedAmount == 0 || boostedAmount <= shares[msg.sender].amount),
      'you can only unstake if you have some staked'
    );
    require(
      block.timestamp > shares[msg.sender].stakedTime + minSecondsBeforeUnstake,
      'must be staked for minimum time and at least one block if no min'
    );
    if (!relinquishRewards) {
      distributeReward(msg.sender, false);
    }

    IERC20 shareContract = IERC20(shareholderToken);
    uint256 boostedAmountToUnstake = boostedAmount == 0
      ? shares[msg.sender].amount
      : boostedAmount;

    // NOTE: temporarily setting shares[shareholder].amount to base deposited to get elevated shares.
    // They depend on shares[shareholder].amount being populated, but we're simply reversing this
    // after calculating boosted amount
    uint256 currentAmountWithBoost = shares[msg.sender].amount;
    shares[msg.sender].amount = shares[msg.sender].amountBase;
    uint256 baseAmount = getBaseSharesFromBoosted(
      msg.sender,
      boostedAmountToUnstake
    );
    shares[msg.sender].amount = currentAmountWithBoost;

    // handle reflections tokens
    uint256 finalWithdrawAmount = getAppreciatedShares(baseAmount);

    if (boostedAmount == 0) {
      uint256[] memory tokenIds = shares[msg.sender].nftBoostTokenIds;
      IERC721 nftContract = IERC721(nftBoosterToken);
      for (uint256 i = 0; i < tokenIds.length; i++) {
        nftContract.safeTransferFrom(address(this), msg.sender, tokenIds[i]);
      }
      totalStakedUsers--;
      delete shares[msg.sender].nftBoostTokenIds;
    }

    shareContract.transfer(msg.sender, finalWithdrawAmount);

    totalSharesDeposited = totalSharesDeposited.sub(baseAmount);
    totalSharesBoosted = totalSharesBoosted.sub(boostedAmountToUnstake);
    shares[msg.sender].amountBase -= baseAmount;
    shares[msg.sender].amount -= boostedAmountToUnstake;
    rewards[msg.sender].totalExcluded = getCumulativeRewards(
      shares[msg.sender].amount
    );
  }

  function depositRewards() external payable override {
    require(msg.value > 0, 'value must be greater than 0');
    require(
      totalSharesBoosted > 0,
      'must be shares deposited to be rewarded rewards'
    );

    uint256 amount = msg.value;

    totalRewards = totalRewards.add(amount);
    rewardsPerShare = rewardsPerShare.add(
      ACC_FACTOR.mul(amount).div(totalSharesBoosted)
    );
  }

  function distributeReward(address shareholder, bool compound) internal {
    require(
      block.timestamp > rewards[shareholder].lastClaim,
      'can only claim once per block'
    );
    if (shares[shareholder].amount == 0) {
      return;
    }

    uint256 amount = getUnpaid(shareholder);

    rewards[shareholder].totalRealised = rewards[shareholder].totalRealised.add(
      amount
    );
    rewards[shareholder].totalExcluded = getCumulativeRewards(
      shares[shareholder].amount
    );
    rewards[shareholder].lastClaim = block.timestamp;

    if (amount > 0) {
      totalDistributed = totalDistributed.add(amount);
      uint256 balanceBefore = address(this).balance;
      if (compound) {
        IERC20 shareToken = IERC20(shareholderToken);
        uint256 balBefore = shareToken.balanceOf(address(this));
        address[] memory path = new address[](2);
        path[0] = wrappedNative;
        path[1] = shareholderToken;
        router.swapExactETHForTokensSupportingFeeOnTransferTokens{
          value: amount
        }(0, path, address(this), block.timestamp);
        uint256 amountReceived = shareToken.balanceOf(address(this)).sub(
          balBefore
        );
        if (amountReceived > 0) {
          uint256[] memory _empty = new uint256[](0);
          _stake(shareholder, amountReceived, _empty, true);
        }
      } else {
        (bool sent, ) = payable(shareholder).call{ value: amount }('');
        require(sent, 'ETH was not successfully sent');
      }
      require(
        address(this).balance >= balanceBefore - amount,
        'only take proper amount from contract'
      );
    }
  }

  function claimReward(bool compound) external {
    distributeReward(msg.sender, compound);
  }

  function getAppreciatedShares(uint256 amount) public view returns (uint256) {
    IERC20 shareContract = IERC20(shareholderToken);
    uint256 totalSharesBalance = shareContract.balanceOf(address(this));
    uint256 appreciationRatio18 = totalSharesBalance.mul(10**18).div(
      totalSharesDeposited
    );
    return amount.mul(appreciationRatio18).div(10**18);
  }

  // getElevatedSharesWithBooster:
  // A + Ax = B
  // ------------------------
  // getBaseSharesFromBoosted:
  // A + Ax = B
  // A(1 + x) = B
  // A = B/(1 + x)
  function getElevatedSharesWithBooster(address shareholder, uint256 baseAmount)
    internal
    view
    returns (uint256)
  {
    return
      eligibleForRewardBooster(shareholder)
        ? baseAmount.add(
          baseAmount.mul(getBoostMultiplier(shareholder)).div(10**2)
        )
        : baseAmount;
  }

  function getBaseSharesFromBoosted(address shareholder, uint256 boostedAmount)
    public
    view
    returns (uint256)
  {
    uint256 multiplier = 10**18;
    return
      eligibleForRewardBooster(shareholder)
        ? boostedAmount.mul(multiplier).div(
          multiplier.add(
            multiplier.mul(getBoostMultiplier(shareholder)).div(10**2)
          )
        )
        : boostedAmount;
  }

  // NOTE: 2022-01-31 LW: new boost contract assumes OKLG and booster NFTs are staked in this contract
  function getBoostMultiplier(address wallet) public view returns (uint256) {
    return
      boostMultiplierContract == address(0)
        ? 0
        : IMultiplier(boostMultiplierContract).getMultiplier(wallet);
  }

  // NOTE: 2022-01-31 LW: new boost contract assumes OKLG and booster NFTs are staked in this contract
  function eligibleForRewardBooster(address shareholder)
    public
    view
    returns (bool)
  {
    return
      boostContract != address(0) &&
      IConditional(boostContract).passesTest(shareholder);
  }

  // returns the unpaid rewards
  function getUnpaid(address shareholder) public view returns (uint256) {
    if (shares[shareholder].amount == 0) {
      return 0;
    }

    uint256 earnedRewards = getCumulativeRewards(shares[shareholder].amount);
    uint256 rewardsExcluded = rewards[shareholder].totalExcluded;
    if (earnedRewards <= rewardsExcluded) {
      return 0;
    }

    return earnedRewards.sub(rewardsExcluded);
  }

  function getCumulativeRewards(uint256 share) internal view returns (uint256) {
    return share.mul(rewardsPerShare).div(ACC_FACTOR);
  }

  function getBaseShares(address user) external view returns (uint256) {
    return shares[user].amountBase;
  }

  function getShares(address user) external view override returns (uint256) {
    return shares[user].amount;
  }

  function getBoostNfts(address user)
    external
    view
    override
    returns (uint256[] memory)
  {
    return shares[user].nftBoostTokenIds;
  }

  function setShareholderToken(address _token) external onlyOwner {
    shareholderToken = _token;
  }

  function setBoostContract(address _contract) external onlyOwner {
    if (_contract != address(0)) {
      IConditional _contCheck = IConditional(_contract);
      // allow setting to zero address to effectively turn off check logic
      require(
        _contCheck.passesTest(address(0)) == true ||
          _contCheck.passesTest(address(0)) == false,
        'contract does not implement interface'
      );
    }
    boostContract = _contract;
  }

  function setBoostMultiplierContract(address _contract) external onlyOwner {
    if (_contract != address(0)) {
      IMultiplier _contCheck = IMultiplier(_contract);
      // allow setting to zero address to effectively turn off check logic
      require(
        _contCheck.getMultiplier(address(0)) >= 0,
        'contract does not implement interface'
      );
    }
    boostMultiplierContract = _contract;
  }

  function setMinSecondsBeforeUnstake(uint256 _seconds) external onlyOwner {
    minSecondsBeforeUnstake = _seconds;
  }

  function stakeOverride(address[] memory users, Share[] memory shareholderInfo)
    external
    onlyOwner
  {
    require(users.length == shareholderInfo.length, 'must be same length');
    uint256[] memory _empty = new uint256[](0);
    for (uint256 i = 0; i < users.length; i++) {
      shares[users[i]].nftBoostTokenIds = shareholderInfo[i].nftBoostTokenIds;
      _stake(users[i], shareholderInfo[i].amountBase, _empty, true);
    }
  }

  function withdrawNfts(address nftContractAddy, uint256[] memory _tokenIds)
    external
    onlyOwner
  {
    IERC721 nftContract = IERC721(nftContractAddy);
    for (uint256 i = 0; i < _tokenIds.length; i++) {
      nftContract.transferFrom(address(this), owner(), _tokenIds[i]);
    }
  }

  receive() external payable {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC721.sol)

pragma solidity ^0.8.0;

import "../token/ERC721/IERC721.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (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 substraction 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;
        }
    }
}

pragma solidity >=0.6.2;

import './IUniswapV2Router01.sol';

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.4;

/**
 * @dev Interface for the Buy Back Reward contract that can be used to build
 * custom logic to elevate user rewards
 */
interface IConditional {
  /**
   * @dev Returns whether a wallet passes the test.
   */
  function passesTest(address wallet) external view returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

interface IMultiplier {
  function getMultiplier(address wallet) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

interface IOKLGRewardDistributor {
  function depositRewards() external payable;

  function getShares(address wallet) external view returns (uint256);

  function getBoostNfts(address wallet)
    external
    view
    returns (uint256[] memory);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import '@openzeppelin/contracts/access/Ownable.sol';
import '@openzeppelin/contracts/interfaces/IERC20.sol';

/**
 * @title OKLGWithdrawable
 * @dev Supports being able to get tokens or ETH out of a contract with ease
 */
contract OKLGWithdrawable is Ownable {
  function withdrawTokens(address _tokenAddy, uint256 _amount)
    external
    onlyOwner
  {
    IERC20 _token = IERC20(_tokenAddy);
    _amount = _amount > 0 ? _amount : _token.balanceOf(address(this));
    require(_amount > 0, 'make sure there is a balance available to withdraw');
    _token.transfer(owner(), _amount);
  }

  function withdrawETH() external onlyOwner {
    payable(owner()).call{ value: address(this).balance }('');
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;
}

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

pragma solidity ^0.8.0;

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

pragma solidity >=0.6.2;

interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);
    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH);
    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);
    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

import "../token/ERC20/IERC20.sol";

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

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

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

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

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

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

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

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

{
  "metadata": {
    "bytecodeHash": "none"
  },
  "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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OKLGRewardDistributor.Share[]","name":"shareholderInfo","type":"tuple[]"}],"name":"stakeOverride","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalDistributed","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSharesBoosted","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSharesDeposited","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalStakedUsers","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"boostedAmount","type":"uint256"},{"internalType":"bool","name":"relinquishRewards","type":"bool"}],"name":"unstake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"nftContractAddy","type":"address"},{"internalType":"uint256[]","name":"_tokenIds","type":"uint256[]"}],"name":"withdrawNfts","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenAddy","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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0000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488d0000000000000000000000005dbb9f64cd96e2dbbca58d14863d615b67b42f2e000000000000000000000000daf531fd52eaa4b33a5158b0da3305caaaf96cd6000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2

-----Decoded View---------------
Arg [0] : _dexRouter (address): 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Arg [1] : _shareholderToken (address): 0x5dBB9F64cd96E2DbBcA58d14863d615B67B42f2e
Arg [2] : _nftBoosterToken (address): 0xdAf531FD52eAa4B33a5158B0Da3305CaaAf96cD6
Arg [3] : _wrappedNative (address): 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488d
Arg [1] : 0000000000000000000000005dbb9f64cd96e2dbbca58d14863d615b67b42f2e
Arg [2] : 000000000000000000000000daf531fd52eaa4b33a5158b0da3305caaaf96cd6
Arg [3] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2