Contract 0xe584490b501A7Dc177a89CFFC04231C525118cab

 
 
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0xfb97f25b3b8315519da77b79f98ca48245dcb2494abb6004bedfe982310e67b7Deposit132163372021-12-05 12:51:112 days 1 hr ago0x5ee7893c5a7f0e7d7d47fa5ad5c200a25ff4c5f9 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00062497
0x3ab1673cdb20d3175ec7a00251a877393ceaf3e6b3bad2d4041aebed0b5b4f9cDeposit131649632021-12-03 17:36:103 days 21 hrs ago0x744522a1ad8a4f6a4eaf3e92431eb49155bb0dd7 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00054997
0xc435701073efe2598995a0c6002f63c9ad27f3f23f29988493089a13b4c7ed17Deposit131647692021-12-03 17:26:283 days 21 hrs ago0x744522a1ad8a4f6a4eaf3e92431eb49155bb0dd7 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00062497
0x74c7151b24c4b73b6653c4efe8f6d507de26cb91b7a96dfa326b1f7b4b318b35Deposit130817302021-11-30 17:12:206 days 21 hrs ago0x744522a1ad8a4f6a4eaf3e92431eb49155bb0dd7 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00074348
0xe866c6d51416c632b5fa2d0487e11582a154e5caa59776cb8dc86693a7ee10e7Deposit128911872021-11-23 13:34:2714 days 1 hr ago0x6cc924dcfc53e139361ddef620b18e019f82acb0 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00054997
0x8991e923d7cd98a5503cbc3af63436c8cee880da4dec44a7e2cbdfda44118774Withdraw128326282021-11-21 11:20:4116 days 3 hrs ago0xbad410a63f55c76596cd5cba7a127762be4d4b3b IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.000675215
0x1e1b014346fcaa6ab7b36676a11937bc61a9de639b03ac5588a720cf02329fc5Withdraw126964032021-11-16 12:28:1421 days 2 hrs ago0xd6566babc4677b3a1d1d844aa70451ccf5e28059 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.001320055
0x6c35c23e423cd221ad5e43d1c84c5544858882d3de99b947197bf43ec3ec5675Deposit126963882021-11-16 12:27:2521 days 2 hrs ago0xd6566babc4677b3a1d1d844aa70451ccf5e28059 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00162609388
0x2facbaa53213a211d34b53d286cca4702306bbd7d543d7d5cd7b19a3e4200f3eDeposit124916302021-11-09 3:28:2328 days 11 hrs ago0xf0377822b0c7818676be48bf8c938078b55ca8c1 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00055021
0xc8309c81bc3d1c07502fbc52d376628d8398f16f89ffd2901979f40c23c2a5d8Withdraw123572092021-11-04 10:10:1133 days 4 hrs ago0xb2e1e0b7aa5cff77d5f2aac3969e4d9a741347df IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00067867
0x8c6d65358fb948b822595fa78ca9b23fcbe45fe88365de36681e25da21f2f5cdWithdraw123571912021-11-04 10:09:0833 days 4 hrs ago0xb2e1e0b7aa5cff77d5f2aac3969e4d9a741347df IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00082855
0x2c3ad70e4846b31e1c6d7ef5225da36f3ea8dccdc759c47b11c49889dbf341fcDeposit119551512021-10-21 4:15:2547 days 10 hrs ago0x8a63ce4c12f64acb2d6a763c557ca319d1a8a406 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00062497
0x8f08db27bf4ba468b2293241844dbd642389d34df6718703aa6110014960c583Withdraw119360572021-10-20 12:12:0148 days 2 hrs ago0x759b12ce841c4834866c6cb2857e0228e8e543f5 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.000675215
0x97286aaa687242cd59fcab2cd2e4e07ec0bfc75a67667e2f7138de735cb67e86Withdraw116332712021-10-09 21:14:3258 days 17 hrs ago0xd668337cb6b623216a93e55b76f8af19af10abf5 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.000675215
0x46ef6c74978cbbed9699e83e616fc32f8ff8d59bb2846c3a3158c1adc8bba67fDeposit116327132021-10-09 20:46:3858 days 18 hrs ago0xd668337cb6b623216a93e55b76f8af19af10abf5 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00062491
0x93d3cd0afb1bd258269ec9c935635b941dc178184a845c80a5744b12c574a579Deposit114826832021-10-04 15:31:3563 days 23 hrs ago0x744522a1ad8a4f6a4eaf3e92431eb49155bb0dd7 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00062497
0x3a8ffddd3e7b3b0dbce18671c37c278ad5bdd1e2c0c92ba00eac7377033d3a52Withdraw112605252021-09-26 20:39:1971 days 18 hrs ago0x5a65841febc74532ce85b34b1b055ce223369ec7 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00055917
0x6088e51227ddf9020d4dc929dd96419760e85e39c57b89b8da9f5aa4379962ecWithdraw112247222021-09-25 14:36:4073 days 13 mins ago0x9aa21f3dddbc47474a4bfd9275a2de0e145e79a9 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00055917
0x1ba976b8d74849bdbe0757ee4fb9c739c703956b39bc26237afb87268c558c6aWithdraw111165312021-09-21 19:52:5476 days 18 hrs ago0xa3ab65d94ff96ee1ce821fe1ca65d3562f7c0cbb IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.000600215
0x64c5ba2850428ff28f148b008176b41644793a4261b21053e42c0afd3f60ae82Deposit111165202021-09-21 19:52:2176 days 18 hrs ago0xa3ab65d94ff96ee1ce821fe1ca65d3562f7c0cbb IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00062497
0x8185bfbaf5e4f79ac83bd8063e80537591c119ef902aa737b9d1c02392616db5Deposit109599242021-09-16 8:50:5682 days 5 hrs ago0x998caf56653ed13dfe386757241e85cc3aaa67d7 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.000676845
0x2d3537f508f0787c601b590208c5d33d90ce6526f7ab0ccfc3912c8e4e960db1Deposit109599172021-09-16 8:50:3582 days 5 hrs ago0x998caf56653ed13dfe386757241e85cc3aaa67d7 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00055021
0x631245adea372fba86c7d470268ef2d5cf3ee782e196fc88bfcb69264cc75175Deposit109599172021-09-16 8:50:3582 days 5 hrs ago0x998caf56653ed13dfe386757241e85cc3aaa67d7 IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.00054991
0x8093bb1c1430f83b4966da07b7a0cc6da94580d7d4b01c82c8fc6e169d3a7eb0Withdraw109307372021-09-15 8:26:1983 days 6 hrs ago0xa0284522f6f0f65086ee39b72a44f0893d52b40e IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.000674845
0x7a443afd02e4da73851b8d2658aa71dbd99c7e8c1267099cb87195995b7ec20aDeposit105640642021-09-02 12:23:2096 days 2 hrs ago0x6b1b4d5cb9197e658d278f59573c84eccc79d88f IN  0xe584490b501a7dc177a89cffc04231c525118cab0 BNB0.000676845
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Contract Source Code Verified (Exact Match)

Contract Name:
MasterChef

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 12 : LhToken.sol
pragma solidity 0.6.12;

import "./libs/BEP20.sol";

// LhToken with Governance.
contract LhToken is BEP20('LH Token', 'LH') {
    /// @notice Creates `_amount` token to `_to`. Must only be called by the owner (MasterChef).
    function mint(address _to, uint256 _amount) public onlyOwner {
        _mint(_to, _amount);
        _moveDelegates(address(0), _delegates[_to], _amount);
    }

    // Copied and modified from YAM code:
    // https://github.com/yam-finance/yam-protocol/blob/master/contracts/token/YAMGovernanceStorage.sol
    // https://github.com/yam-finance/yam-protocol/blob/master/contracts/token/YAMGovernance.sol
    // Which is copied and modified from COMPOUND:
    // https://github.com/compound-finance/compound-protocol/blob/master/contracts/Governance/Comp.sol

    /// @notice A record of each accounts delegate
    mapping (address => address) internal _delegates;

    /// @notice A checkpoint for marking number of votes from a given block
    struct Checkpoint {
        uint32 fromBlock;
        uint256 votes;
    }

    /// @notice A record of votes checkpoints for each account, by index
    mapping (address => mapping (uint32 => Checkpoint)) public checkpoints;

    /// @notice The number of checkpoints for each account
    mapping (address => uint32) public numCheckpoints;

    /// @notice The EIP-712 typehash for the contract's domain
    bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)");

    /// @notice The EIP-712 typehash for the delegation struct used by the contract
    bytes32 public constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)");

    /// @notice A record of states for signing / validating signatures
    mapping (address => uint) public nonces;

      /// @notice An event thats emitted when an account changes its delegate
    event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);

    /// @notice An event thats emitted when a delegate account's vote balance changes
    event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance);

    /**
     * @notice Delegate votes from `msg.sender` to `delegatee`
     * @param delegator The address to get delegatee for
     */
    function delegates(address delegator)
        external
        view
        returns (address)
    {
        return _delegates[delegator];
    }

   /**
    * @notice Delegate votes from `msg.sender` to `delegatee`
    * @param delegatee The address to delegate votes to
    */
    function delegate(address delegatee) external {
        return _delegate(msg.sender, delegatee);
    }

    /**
     * @notice Delegates votes from signatory to `delegatee`
     * @param delegatee The address to delegate votes to
     * @param nonce The contract state required to match the signature
     * @param expiry The time at which to expire the signature
     * @param v The recovery byte of the signature
     * @param r Half of the ECDSA signature pair
     * @param s Half of the ECDSA signature pair
     */
    function delegateBySig(
        address delegatee,
        uint nonce,
        uint expiry,
        uint8 v,
        bytes32 r,
        bytes32 s
    )
        external
    {
        bytes32 domainSeparator = keccak256(
            abi.encode(
                DOMAIN_TYPEHASH,
                keccak256(bytes(name())),
                getChainId(),
                address(this)
            )
        );

        bytes32 structHash = keccak256(
            abi.encode(
                DELEGATION_TYPEHASH,
                delegatee,
                nonce,
                expiry
            )
        );

        bytes32 digest = keccak256(
            abi.encodePacked(
                "\x19\x01",
                domainSeparator,
                structHash
            )
        );

        address signatory = ecrecover(digest, v, r, s);
        require(signatory != address(0), "LH::delegateBySig: invalid signature");
        require(nonce == nonces[signatory]++, "LH::delegateBySig: invalid nonce");
        require(now <= expiry, "LH::delegateBySig: signature expired");
        return _delegate(signatory, delegatee);
    }

    /**
     * @notice Gets the current votes balance for `account`
     * @param account The address to get votes balance
     * @return The number of current votes for `account`
     */
    function getCurrentVotes(address account)
        external
        view
        returns (uint256)
    {
        uint32 nCheckpoints = numCheckpoints[account];
        return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
    }

    /**
     * @notice Determine the prior number of votes for an account as of a block number
     * @dev Block number must be a finalized block or else this function will revert to prevent misinformation.
     * @param account The address of the account to check
     * @param blockNumber The block number to get the vote balance at
     * @return The number of votes the account had as of the given block
     */
    function getPriorVotes(address account, uint blockNumber)
        external
        view
        returns (uint256)
    {
        require(blockNumber < block.number, "LH::getPriorVotes: not yet determined");

        uint32 nCheckpoints = numCheckpoints[account];
        if (nCheckpoints == 0) {
            return 0;
        }

        // First check most recent balance
        if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
            return checkpoints[account][nCheckpoints - 1].votes;
        }

        // Next check implicit zero balance
        if (checkpoints[account][0].fromBlock > blockNumber) {
            return 0;
        }

        uint32 lower = 0;
        uint32 upper = nCheckpoints - 1;
        while (upper > lower) {
            uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow
            Checkpoint memory cp = checkpoints[account][center];
            if (cp.fromBlock == blockNumber) {
                return cp.votes;
            } else if (cp.fromBlock < blockNumber) {
                lower = center;
            } else {
                upper = center - 1;
            }
        }
        return checkpoints[account][lower].votes;
    }

    function _delegate(address delegator, address delegatee)
        internal
    {
        address currentDelegate = _delegates[delegator];
        uint256 delegatorBalance = balanceOf(delegator); // balance of underlying LHs (not scaled);
        _delegates[delegator] = delegatee;

        emit DelegateChanged(delegator, currentDelegate, delegatee);

        _moveDelegates(currentDelegate, delegatee, delegatorBalance);
    }

    function _moveDelegates(address srcRep, address dstRep, uint256 amount) internal {
        if (srcRep != dstRep && amount > 0) {
            if (srcRep != address(0)) {
                // decrease old representative
                uint32 srcRepNum = numCheckpoints[srcRep];
                uint256 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0;
                uint256 srcRepNew = srcRepOld.sub(amount);
                _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);
            }

            if (dstRep != address(0)) {
                // increase new representative
                uint32 dstRepNum = numCheckpoints[dstRep];
                uint256 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0;
                uint256 dstRepNew = dstRepOld.add(amount);
                _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
            }
        }
    }

    function _writeCheckpoint(
        address delegatee,
        uint32 nCheckpoints,
        uint256 oldVotes,
        uint256 newVotes
    )
        internal
    {
        uint32 blockNumber = safe32(block.number, "LH::_writeCheckpoint: block number exceeds 32 bits");

        if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) {
            checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;
        } else {
            checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes);
            numCheckpoints[delegatee] = nCheckpoints + 1;
        }

        emit DelegateVotesChanged(delegatee, oldVotes, newVotes);
    }

    function safe32(uint n, string memory errorMessage) internal pure returns (uint32) {
        require(n < 2**32, errorMessage);
        return uint32(n);
    }

    function getChainId() internal pure returns (uint) {
        uint256 chainId;
        assembly { chainId := chainid() }
        return chainId;
    }
}

File 2 of 12 : MasterChef.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import "./libs/IBEP20.sol";
import "./libs/SafeBEP20.sol";

import "./LhToken.sol";
import "./PrizeDistributor.sol";

// MasterChef is the master of LH. He can make Lh and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once LH is sufficiently
// distributed and the community can show to govern itself.
//
// Have fun reading it. Hopefully it's bug-free. God bless.
contract MasterChef is Ownable, 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. LHs to distribute per block.
        uint256 lastRewardBlock;  // Last block number that LHs distribution occurs.
        uint256 accLhPerShare;   // Accumulated LHs per share, times 1e12. See below.
        uint16 depositFeeBP;      // Deposit fee in basis points
    }

    // Info of each land
    struct LandInfo {
        IBEP20 rewardToken; // Address of reward token contract
        uint256 rewardTokenAmount; // amount of reward token amount
        uint256 pid; // pool id
        uint256 subscriptionStartBlock;
        uint256 subscriptionEndBlock;
        uint256 totalBettingAmount;
        uint256 totalRewardAmount; // for calculate total land reward
        uint256 accRewardPerBetting;
        uint256 lastUpdatedBlock;
        bool isClaimable;
    }

    // The LH TOKEN!
    LhToken public lh;
    // Dev address.
    address public devaddr;
    // Deposit Fee address
    address public feeAddress;
    // LH tokens created per block.
    uint256 public lhPerBlock;
    // Bonus muliplier for early lh makers.
    uint256 public constant BONUS_MULTIPLIER = 1;

    // Info of each pool.
    PoolInfo[] public poolInfo;
    // Info of each user that stakes LP tokens.
    mapping (uint256 => mapping (address => UserInfo)) public userInfo;
    // Total allocation points. Must be the sum of all allocation points in all pools.
    uint256 public totalAllocPoint = 0;
    // The block number when LH mining starts.
    uint256 public startBlock;

    // Info of each land.
    LandInfo[] public landInfo;
    // Subscription Prize distributor 
    PrizeDistributor public prizeDistributor;
    // land subscription start Flag
    bool public subscriptionStartFlag;
    // subscription land start index
    uint256 public startLidIndex;
    // subscription land end index
    uint256 public endLidIndex;
    // subscription claimStatus
    uint public claimStatus = 0; // 0 : not claimable, 1 : claimable, 2 : no winner(draw)

    mapping (uint256 => mapping (address => uint256)) public landBettingAmount; // lid => address => landBettingAmount;
    mapping (uint256 => mapping (address => uint256)) public landRewardPaid; // lid => address => landBettingAmount;
    mapping (uint256 => mapping (address => uint256)) public landRewardAmount; // lid => address => landRewardAmount;

    event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
    event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
    event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);

    event SelectLand(address indexed user, uint256 indexed lid, uint256 amount);
    event UnSelectLand(address indexed user, uint256 indexed lid, uint256 amount);
    event ClaimLand(address indexed user, uint256 indexed lid, uint256 amount);

    constructor(
        LhToken _lh,
        PrizeDistributor _prizeDistributor,
        uint256 _lhPerBlock,
        uint256 _startBlock
    ) public {
        lh = _lh;
        prizeDistributor = _prizeDistributor;
        devaddr = msg.sender;
        feeAddress = msg.sender;
        lhPerBlock = _lhPerBlock;
        startBlock = _startBlock;
    }

    function poolLength() external view returns (uint256) {
        return poolInfo.length;
    }

    // Add a new lp to the pool. Can only be called by the owner.
    // XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
    function add(uint256 _allocPoint, IBEP20 _lpToken, uint16 _depositFeeBP, bool _withUpdate) public onlyOwner {
        require(_depositFeeBP <= 3000, "add: invalid deposit fee basis points"); // max 30%
        if (_withUpdate) {
            massUpdatePools();
        }
        uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
        totalAllocPoint = totalAllocPoint.add(_allocPoint);
        poolInfo.push(PoolInfo({
            lpToken: _lpToken,
            allocPoint: _allocPoint,
            lastRewardBlock: lastRewardBlock,
            accLhPerShare: 0,
            depositFeeBP: _depositFeeBP
        }));
    }

    // Update the given pool's LH allocation point and deposit fee. Can only be called by the owner.
    function set(uint256 _pid, uint256 _allocPoint, uint16 _depositFeeBP, bool _withUpdate) public onlyOwner {
        require(_depositFeeBP <= 3000, "set: invalid deposit fee basis points"); // max 30%
        if (_withUpdate) {
            massUpdatePools();
        }
        totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
        poolInfo[_pid].allocPoint = _allocPoint;
        poolInfo[_pid].depositFeeBP = _depositFeeBP;
    }

    // Return reward multiplier over the given _from to _to block.
    function getMultiplier(uint256 _from, uint256 _to) public pure returns (uint256) {
        return _to.sub(_from).mul(BONUS_MULTIPLIER);
    }

    // View function to see pending LHs on frontend.
    function pendingLh(uint256 _pid, address _user) external view returns (uint256) {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][_user];
        uint256 accLhPerShare = pool.accLhPerShare;
        uint256 lpSupply = pool.lpToken.balanceOf(address(this));
        if (block.number > pool.lastRewardBlock && lpSupply != 0) {
            uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
            uint256 lhReward = multiplier.mul(lhPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
            accLhPerShare = accLhPerShare.add(lhReward.mul(1e12).div(lpSupply));
        }
        return user.amount.mul(accLhPerShare).div(1e12).sub(user.rewardDebt);
    }

    // Update reward variables for all pools. Be careful of gas spending!
    function massUpdatePools() public {
        uint256 length = poolInfo.length;
        for (uint256 pid = 0; pid < length; ++pid) {
            updatePool(pid);
        }
    }

    // Update reward variables of the given pool to be up-to-date.
    function updatePool(uint256 _pid) public {
        PoolInfo storage pool = poolInfo[_pid];
        if (block.number <= pool.lastRewardBlock) {
            return;
        }
        uint256 lpSupply = pool.lpToken.balanceOf(address(this));
        if (lpSupply == 0 || pool.allocPoint == 0) {
            pool.lastRewardBlock = block.number;
            return;
        }
        uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
        uint256 lhReward = multiplier.mul(lhPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
        lh.mint(devaddr, lhReward.div(10));
        lh.mint(address(this), lhReward);
        pool.accLhPerShare = pool.accLhPerShare.add(lhReward.mul(1e12).div(lpSupply));
        pool.lastRewardBlock = block.number;
    }

    // Deposit LP tokens to MasterChef for LH allocation.
    function deposit(uint256 _pid, uint256 _amount) public nonReentrant {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        updatePool(_pid);
        if (user.amount > 0) {
            uint256 pending = user.amount.mul(pool.accLhPerShare).div(1e12).sub(user.rewardDebt);
            if(pending > 0) {
                safeLhTransfer(msg.sender, pending);
            }
        }
        if(_amount > 0) {
            pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
            if(pool.depositFeeBP > 0){
                uint256 depositFee = _amount.mul(pool.depositFeeBP).div(10000);
                pool.lpToken.safeTransfer(feeAddress, depositFee);
                user.amount = user.amount.add(_amount).sub(depositFee);
            }else{
                user.amount = user.amount.add(_amount);
            }
        }
        user.rewardDebt = user.amount.mul(pool.accLhPerShare).div(1e12);
        emit Deposit(msg.sender, _pid, _amount);
    }

    // Withdraw LP tokens from MasterChef.
    function withdraw(uint256 _pid, uint256 _amount) public nonReentrant {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        require(user.amount >= _amount, "withdraw: not good");
        updatePool(_pid);
        uint256 pending = user.amount.mul(pool.accLhPerShare).div(1e12).sub(user.rewardDebt);
        if(pending > 0) {
            safeLhTransfer(msg.sender, pending);
        }
        if(_amount > 0) {
            uint256 selectLandAmount = 0;
            if (subscriptionStartFlag) {
                for (uint i=startLidIndex; i<=endLidIndex; i++) {
                    if (landInfo[i].pid == _pid && landInfo[i].subscriptionEndBlock > block.number) {
                        selectLandAmount = selectLandAmount.add(landBettingAmount[i][msg.sender]);
                    }
                }   
                if (selectLandAmount > user.amount.sub(_amount)) {
                    uint256 over = selectLandAmount.sub(user.amount.sub(_amount));
                    for (uint i = startLidIndex; i <= endLidIndex; i++) {
                        if (over > 0 && landInfo[i].pid == _pid && landInfo[i].subscriptionEndBlock > block.number) {
                            if (landBettingAmount[i][msg.sender] >= over) {
                                unselectLand(i, over);
                                over = 0;
                            } else {
                                unselectLand(i, landBettingAmount[i][msg.sender]);
                                over = over.sub(landBettingAmount[i][msg.sender]);
                            }
                        }
                    }
                }
            }   
            user.amount = user.amount.sub(_amount);
            pool.lpToken.safeTransfer(address(msg.sender), _amount);
        }
        user.rewardDebt = user.amount.mul(pool.accLhPerShare).div(1e12);
        emit Withdraw(msg.sender, _pid, _amount);
    }

    // Withdraw without caring about rewards. EMERGENCY ONLY.
    function emergencyWithdraw(uint256 _pid) public nonReentrant {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        uint256 amount = user.amount;
        user.amount = 0;
        user.rewardDebt = 0;

        // not update total rewardamount, user reward amount
        if (subscriptionStartFlag) {
            for (uint i=startLidIndex; i<=endLidIndex; i++) {
                if (landInfo[i].pid == _pid && landInfo[i].subscriptionEndBlock > block.number) {
                    landInfo[i].totalBettingAmount = landInfo[i].totalBettingAmount.sub(landBettingAmount[i][msg.sender]);
                    landBettingAmount[i][msg.sender] = 0;
                    // landRewardAmount[i][msg.sender] = 0;
                    landRewardPaid[i][msg.sender] = 0;
                }
            }
        }
       
        pool.lpToken.safeTransfer(address(msg.sender), amount);
        emit EmergencyWithdraw(msg.sender, _pid, amount);
    }

    // Safe lh transfer function, just in case if rounding error causes pool to not have enough LHs.
    function safeLhTransfer(address _to, uint256 _amount) internal {
        uint256 lhBal = lh.balanceOf(address(this));
        if (_amount > lhBal) {
            lh.transfer(_to, lhBal);
        } else {
            lh.transfer(_to, _amount);
        }
    }

    // Update dev address by the previous dev.
    function dev(address _devaddr) public {
        require(msg.sender == devaddr, "dev: wut?");
        devaddr = _devaddr;
    }

    function setFeeAddress(address _feeAddress) public {
        require(msg.sender == feeAddress, "setFeeAddress: FORBIDDEN");
        feeAddress = _feeAddress;
    }

    //Pancake has to add hidden dummy pools inorder to alter the emission, here we make it simple and transparent to all.
    function updateEmissionRate(uint256 _lhPerBlock) public onlyOwner {
        massUpdatePools();
        lhPerBlock = _lhPerBlock;
    }

    /* ==========  LAND SUBSCRIPTION RESTRICTED FUNCTIONS  ========== */

    // add land by owner 
    // subscription lands pid must be same
    function addLand(uint256 _pid, IBEP20 _rewardToken, uint256 _subscriptionStartBlock, uint256 _subscriptionEndBlock) public onlyOwner {
        require(_subscriptionStartBlock > block.number && _subscriptionEndBlock > _subscriptionStartBlock, "AL1");
        
        landInfo.push(LandInfo({
            rewardToken: _rewardToken,
            rewardTokenAmount: 0,
            pid: _pid,
            subscriptionStartBlock: _subscriptionStartBlock,
            subscriptionEndBlock: _subscriptionEndBlock,
            totalBettingAmount: 0,
            totalRewardAmount: 0,
            accRewardPerBetting: 0,
            lastUpdatedBlock: _subscriptionStartBlock,
            isClaimable: false
        }));
    }

    // set land info by owner 
    // subscription lands pid must be same
    function setLand(uint256 _lid, uint256 _pid, uint256 _subscriptionStartBlock, uint256 _subscriptionEndBlock) public onlyOwner {
        require(landInfo[_lid].subscriptionEndBlock > block.number, "SL1");
        require(_subscriptionStartBlock > block.number && _subscriptionEndBlock > _subscriptionStartBlock, "SL2");

        landInfo[_lid].pid = _pid;
        landInfo[_lid].subscriptionStartBlock = _subscriptionStartBlock;
        landInfo[_lid].subscriptionEndBlock = _subscriptionEndBlock;
    }

    // set valid land ids by owner
    // must update id when add new lands 
    function setSubscriptionInfo(uint256 _startLidIndex, uint256 _endLidIndex) public onlyOwner {
        require(_startLidIndex <= _endLidIndex, "SS");
        require(_endLidIndex - _startLidIndex < 10, "SS2");
    
        subscriptionStartFlag = true;
        startLidIndex = _startLidIndex;
        endLidIndex = _endLidIndex;
    }

    // must call after land subscription finished and prize token sended to distributor contract
    function startClaim() public onlyOwner {
        uint256 minTotalRewardAmount = type(uint256).max;
        uint256 claimLandId = type(uint256).max;
        massUpdateLands();
        
        for (uint i=startLidIndex; i<=endLidIndex; i++) {
            require(!landInfo[i].isClaimable, "SC1");
            require(landInfo[i].subscriptionEndBlock < block.number, "SC2");
            if (i == startLidIndex) {
                // init
                minTotalRewardAmount = landInfo[i].totalRewardAmount;
                claimLandId = i;
                claimStatus = 1;
            } else if (minTotalRewardAmount > landInfo[i].totalRewardAmount) {
                // find less subscribed land
                minTotalRewardAmount = landInfo[i].totalRewardAmount;
                claimLandId = i;
                claimStatus = 1;
            } else if (minTotalRewardAmount == landInfo[i].totalRewardAmount) {
                // total reward amount same
                // compare totalBettingAmount
                if (landInfo[claimLandId].totalBettingAmount > landInfo[i].totalBettingAmount) {
                    claimLandId = i;
                    claimStatus = 1;
                } else if (landInfo[claimLandId].totalBettingAmount == landInfo[i].totalBettingAmount) {
                    // no one win
                    claimStatus = 2;
                }
            }
        }

        if (claimStatus == 1) {
            require(landInfo[claimLandId].rewardToken.balanceOf(address(prizeDistributor)) > 0, "SC");
            landInfo[claimLandId].isClaimable = true;
            landInfo[claimLandId].rewardTokenAmount = landInfo[claimLandId].rewardToken.balanceOf(address(prizeDistributor));
        }
        subscriptionStartFlag = false;
    }

    function endClaim() public onlyOwner {
        require(claimStatus == 1, "EC");
        for (uint i=startLidIndex; i<=endLidIndex; i++) {
            if (landInfo[i].isClaimable) {
                prizeDistributor.endPrize(landInfo[i].rewardToken, address(feeAddress));
                claimStatus = 0;
            }
        }
    }
   
    function updateSubscriptionStartFlag(bool _subscriptionStartFlag) public onlyOwner {
        subscriptionStartFlag = _subscriptionStartFlag;
    }

    function updateClaimStatus(uint _claimStatus) public onlyOwner {
        claimStatus = _claimStatus;
    }

    /* ==========  LAND VIEW FUNCTION  ========== */

    // Return reward multiplier over the given _from to _to block.
    function getLandMultiplier(uint256 _from, uint256 _to) public pure returns (uint256) {
        return _to.sub(_from);
    }

    function pendingReward(uint256 _lid, address _user) external view returns (uint256) {
        LandInfo storage land = landInfo[_lid];
        uint256 accRewardPerBetting = land.accRewardPerBetting;
        uint256 blockNum = block.number > land.subscriptionEndBlock ? land.subscriptionEndBlock : block.number;
        if (block.number > land.lastUpdatedBlock && land.totalBettingAmount != 0) {
            uint256 multiplier = getLandMultiplier(land.lastUpdatedBlock, blockNum);
            uint256 reward = multiplier.mul(land.totalBettingAmount);
            accRewardPerBetting = accRewardPerBetting.add(reward.mul(1e12).div(land.totalBettingAmount));
        }
        return landBettingAmount[_lid][_user].mul(accRewardPerBetting).div(1e12).sub(landRewardPaid[_lid][_user]);
    }
    
    /* ==========  LAND USER FUNCTION  ========== */

    function massUpdateLands() public {
        for (uint i=startLidIndex; i<=endLidIndex; i++) {
            updateLand(i);
        }
    }

    // Update land reward, betting variable to be up-to-date
    function updateLand(uint256 _lid) public {
        LandInfo storage land = landInfo[_lid];
        if (block.number <= land.lastUpdatedBlock) {
            return;
        }

        if (land.subscriptionEndBlock <= land.lastUpdatedBlock) {
            return;
        }

        uint256 blockNum = block.number > land.subscriptionEndBlock ? land.subscriptionEndBlock : block.number;
        
        if (land.totalBettingAmount == 0) {
            land.lastUpdatedBlock = blockNum;
            return;
        }

        // calculate reward
        uint256 multiplier = getLandMultiplier(land.lastUpdatedBlock, blockNum);
        uint256 reward = multiplier.mul(land.totalBettingAmount);
        land.accRewardPerBetting = land.accRewardPerBetting.add(reward.mul(1e12).div(land.totalBettingAmount));
        land.totalRewardAmount = land.totalRewardAmount.add(reward);
        land.lastUpdatedBlock = blockNum;
    }

    function selectLand(uint256 _lid, uint256 _amount) public {
        LandInfo storage land = landInfo[_lid];
        UserInfo storage user = userInfo[land.pid][msg.sender];
        require(land.subscriptionStartBlock < block.number && land.subscriptionEndBlock > block.number, "INVALID TIME");
        require(subscriptionStartFlag, "NOT STARTED");

        //update lands info
        massUpdateLands();

        //update user land reward info
        if(landBettingAmount[_lid][msg.sender] > 0) {
            uint256 pending = landBettingAmount[_lid][msg.sender].mul(land.accRewardPerBetting).div(1e12).sub(landRewardPaid[_lid][msg.sender]);
            if (pending > 0) { 
                landRewardAmount[_lid][msg.sender] = landRewardAmount[_lid][msg.sender].add(pending);
            }
        }
        
        //check select available and do it
        uint256 bettingAmount = 0;
        if(_amount > 0) {
            uint256 availableAmount = user.amount;
            for(uint i=startLidIndex; i<=endLidIndex; i++) {
               availableAmount = availableAmount.sub(landBettingAmount[i][msg.sender]);
            }
            if(availableAmount > 0) {
                availableAmount > _amount ? bettingAmount = _amount : bettingAmount = availableAmount;
                landBettingAmount[_lid][msg.sender] = landBettingAmount[_lid][msg.sender].add(bettingAmount);
                land.totalBettingAmount = land.totalBettingAmount.add(bettingAmount);
            }
        }

        landRewardPaid[_lid][msg.sender] = landBettingAmount[_lid][msg.sender].mul(land.accRewardPerBetting).div(1e12);

        emit SelectLand(msg.sender, _lid, bettingAmount);
    }

    function unselectLand(uint256 _lid, uint256 _amount) public {
        LandInfo storage land = landInfo[_lid];
        require(land.subscriptionStartBlock < block.number && land.subscriptionEndBlock > block.number, "INVALID TIME");
        require(landBettingAmount[_lid][msg.sender] >= _amount, "INVALID AMOUNT");
        require(subscriptionStartFlag, "NOT STARTED");

        massUpdateLands();

        //update user land reward info
        if(landBettingAmount[_lid][msg.sender] > 0) {
            uint256 pending = landBettingAmount[_lid][msg.sender].mul(land.accRewardPerBetting).div(1e12).sub(landRewardPaid[_lid][msg.sender]);
            if (pending > 0) { 
                landRewardAmount[_lid][msg.sender] = landRewardAmount[_lid][msg.sender].add(pending);
            }
        }

        //check unselect available and do it
        if(_amount > 0) {
           landBettingAmount[_lid][msg.sender] = landBettingAmount[_lid][msg.sender].sub(_amount);
           land.totalBettingAmount = land.totalBettingAmount.sub(_amount);
        }
        
        landRewardPaid[_lid][msg.sender] = landBettingAmount[_lid][msg.sender].mul(land.accRewardPerBetting).div(1e12);

        emit UnSelectLand(msg.sender, _lid, _amount);
    }

    function claimLand(uint256 _lid) public nonReentrant {
        LandInfo storage land = landInfo[_lid];
        require(claimStatus == 1 && land.isClaimable, "NOT CLAIMABLE");
        require(!subscriptionStartFlag, "SUBSCRIPTION NOT ENDED");

        if(landBettingAmount[_lid][msg.sender] > 0) {
            uint256 pending = landBettingAmount[_lid][msg.sender].mul(land.accRewardPerBetting).div(1e12).sub(landRewardPaid[_lid][msg.sender]);
            if (pending > 0) { 
                landRewardAmount[_lid][msg.sender] = landRewardAmount[_lid][msg.sender].add(pending);
            }
        }
        uint256 rewardAmount = 0;
        if (landRewardAmount[_lid][msg.sender] > 0) {
            rewardAmount = land.rewardTokenAmount.mul(landRewardAmount[_lid][msg.sender]).div(land.totalRewardAmount);
            if (rewardAmount > 0) {
                prizeDistributor.sendPrize(land.rewardToken, address(msg.sender), rewardAmount);
            }
            landRewardAmount[_lid][msg.sender] = 0;
        }
        landRewardPaid[_lid][msg.sender] = landBettingAmount[_lid][msg.sender].mul(land.accRewardPerBetting).div(1e12);
        emit ClaimLand(msg.sender, _lid, rewardAmount);
    }
}

File 3 of 12 : PrizeDistributor.sol
pragma solidity 0.6.12;

import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "./libs/IBEP20.sol";
import "./libs/SafeBEP20.sol";

contract PrizeDistributor is Ownable {
    using SafeMath for uint256;
    using SafeBEP20 for IBEP20;

    function sendPrize(IBEP20 _prizeToken, address _to, uint256 _amount) external onlyOwner returns (uint256) {
        require(_prizeToken.balanceOf(address(this)) >= _amount, "sendPrize: something wrong");
        _prizeToken.safeTransfer(address(_to), _amount);
    }

    function endPrize(IBEP20 _prizeToken, address _to) external onlyOwner {
        _prizeToken.safeTransfer(_to, _prizeToken.balanceOf(address(this)));
    }
}

File 4 of 12 : BEP20.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.4.0;

import '@openzeppelin/contracts/access/Ownable.sol';
import '@openzeppelin/contracts/GSN/Context.sol';
import './IBEP20.sol';
import '@openzeppelin/contracts/math/SafeMath.sol';

/**
 * @dev Implementation of the {IBEP20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {BEP20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-BEP20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin guidelines: functions revert instead
 * of returning `false` on failure. This behavior is nonetheless conventional
 * and does not conflict with the expectations of BEP20 applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IBEP20-approve}.
 */
contract BEP20 is Context, IBEP20, Ownable {
    using SafeMath for uint256;

    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;
    uint8 private _decimals;

    /**
     * @dev Sets the values for {name} and {symbol}, initializes {decimals} with
     * a default value of 18.
     *
     * To select a different value for {decimals}, use {_setupDecimals}.
     *
     * All three of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name, string memory symbol) public {
        _name = name;
        _symbol = symbol;
        _decimals = 18;
    }

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

    /**
     * @dev Returns the name of the token.
     */
    function name() public override view returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public override view returns (string memory) {
        return _symbol;
    }

    /**
    * @dev Returns the number of decimals used to get its user representation.
    */
    function decimals() public override view returns (uint8) {
        return _decimals;
    }

    /**
     * @dev See {BEP20-totalSupply}.
     */
    function totalSupply() public override view returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {BEP20-balanceOf}.
     */
    function balanceOf(address account) public override view returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {BEP20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {BEP20-allowance}.
     */
    function allowance(address owner, address spender) public override view returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {BEP20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {BEP20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {BEP20};
     *
     * Requirements:
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for `sender`'s tokens of at least
     * `amount`.
     */
    function transferFrom (address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(
            sender,
            _msgSender(),
            _allowances[sender][_msgSender()].sub(amount, 'BEP20: transfer amount exceeds allowance')
        );
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {BEP20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {BEP20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, 'BEP20: decreased allowance below zero'));
        return true;
    }

    /**
     * @dev Creates `amount` tokens and assigns them to `msg.sender`, increasing
     * the total supply.
     *
     * Requirements
     *
     * - `msg.sender` must be the token owner
     */
    function mint(uint256 amount) public onlyOwner returns (bool) {
        _mint(_msgSender(), amount);
        return true;
    }

    /**
     * @dev Moves tokens `amount` from `sender` to `recipient`.
     *
     * This is internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer (address sender, address recipient, uint256 amount) internal {
        require(sender != address(0), 'BEP20: transfer from the zero address');
        require(recipient != address(0), 'BEP20: transfer to the zero address');

        _balances[sender] = _balances[sender].sub(amount, 'BEP20: transfer amount exceeds balance');
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements
     *
     * - `to` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal {
        require(account != address(0), 'BEP20: mint to the zero address');

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal {
        require(account != address(0), 'BEP20: burn from the zero address');

        _balances[account] = _balances[account].sub(amount, 'BEP20: burn amount exceeds balance');
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
     *
     * This is internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve (address owner, address spender, uint256 amount) internal {
        require(owner != address(0), 'BEP20: approve from the zero address');
        require(spender != address(0), 'BEP20: approve to the zero address');

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`.`amount` is then deducted
     * from the caller's allowance.
     *
     * See {_burn} and {_approve}.
     */
    function _burnFrom(address account, uint256 amount) internal {
        _burn(account, amount);
        _approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, 'BEP20: burn amount exceeds allowance'));
    }
}

File 5 of 12 : 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 6 of 12 : SafeBEP20.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IBEP20.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/utils/Address.sol";

/**
 * @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 7 of 12 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

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

File 8 of 12 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), 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 {
        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;
    }
}

File 9 of 12 : SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @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, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        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) {
        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) {
        // 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) {
        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) {
        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) {
        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) {
        require(b <= a, "SafeMath: subtraction overflow");
        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) {
        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, reverting 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) {
        require(b > 0, "SafeMath: division by zero");
        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) {
        require(b > 0, "SafeMath: modulo by zero");
        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) {
        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.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * 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);
        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) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

File 10 of 12 : Address.sol
// SPDX-License-Identifier: MIT

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);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(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 11 of 12 : Context.sol
// SPDX-License-Identifier: MIT

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 12 of 12 : ReentrancyGuard.sol
// 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;
    }
}

Settings
{
  "remappings": [],
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"contract LhToken","name":"_lh","type":"address"},{"internalType":"contract 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IBEP20","name":"_lpToken","type":"address"},{"internalType":"uint16","name":"_depositFeeBP","type":"uint16"},{"internalType":"bool","name":"_withUpdate","type":"bool"}],"name":"add","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"contract IBEP20","name":"_rewardToken","type":"address"},{"internalType":"uint256","name":"_subscriptionStartBlock","type":"uint256"},{"internalType":"uint256","name":"_subscriptionEndBlock","type":"uint256"}],"name":"addLand","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_lid","type":"uint256"}],"name":"claimLand","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"claimStatus","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_devaddr","type":"address"}],"name":"dev","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"devaddr","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"}],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"endClaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"endLidIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_from","type":"uint256"},{"internalType":"uint256","name":"_to","type":"uint256"}],"name":"getLandMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"_from","type":"uint256"},{"internalType":"uint256","name":"_to","type":"uint256"}],"name":"getMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"landBettingAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"landInfo","outputs":[{"internalType":"contract IBEP20","name":"rewardToken","type":"address"},{"internalType":"uint256","name":"rewardTokenAmount","type":"uint256"},{"internalType":"uint256","name":"pid","type":"uint256"},{"internalType":"uint256","name":"subscriptionStartBlock","type":"uint256"},{"internalType":"uint256","name":"subscriptionEndBlock","type":"uint256"},{"internalType":"uint256","name":"totalBettingAmount","type":"uint256"},{"internalType":"uint256","name":"totalRewardAmount","type":"uint256"},{"internalType":"uint256","name":"accRewardPerBetting","type":"uint256"},{"internalType":"uint256","name":"lastUpdatedBlock","type":"uint256"},{"internalType":"bool","name":"isClaimable","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"landRewardAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"landRewardPaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lh","outputs":[{"internalType":"contract LhToken","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lhPerBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"massUpdateLands","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"massUpdatePools","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"address","name":"_user","type":"address"}],"name":"pendingLh","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_lid","type":"uint256"},{"internalType":"address","name":"_user","type":"address"}],"name":"pendingReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"poolInfo","outputs":[{"internalType":"contract IBEP20","name":"lpToken","type":"address"},{"internalType":"uint256","name":"allocPoint","type":"uint256"},{"internalType":"uint256","name":"lastRewardBlock","type":"uint256"},{"internalType":"uint256","name":"accLhPerShare","type":"uint256"},{"internalType":"uint16","name":"depositFeeBP","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"prizeDistributor","outputs":[{"internalType":"contract PrizeDistributor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_lid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"selectLand","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_allocPoint","type":"uint256"},{"internalType":"uint16","name":"_depositFeeBP","type":"uint16"},{"internalType":"bool","name":"_withUpdate","type":"bool"}],"name":"set","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeAddress","type":"address"}],"name":"setFeeAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_lid","type":"uint256"},{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_subscriptionStartBlock","type":"uint256"},{"internalType":"uint256","name":"_subscriptionEndBlock","type":"uint256"}],"name":"setLand","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_startLidIndex","type":"uint256"},{"internalType":"uint256","name":"_endLidIndex","type":"uint256"}],"name":"setSubscriptionInfo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"startClaim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startLidIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"subscriptionStartFlag","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalAllocPoint","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":"_lid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"unselectLand","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_claimStatus","type":"uint256"}],"name":"updateClaimStatus","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_lhPerBlock","type":"uint256"}],"name":"updateEmissionRate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_lid","type":"uint256"}],"name":"updateLand","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"}],"name":"updatePool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_subscriptionStartFlag","type":"bool"}],"name":"updateSubscriptionStartFlag","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"userInfo","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"rewardDebt","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000bf40d7ef223cae917c4349c7311c2fdb9aa1c2df000000000000000000000000fc58f5768a463ae86111693d825d98a14779b9910000000000000000000000000000000000000000000000000de0b6b3a76400000000000000000000000000000000000000000000000000000000000000736ae0

-----Decoded View---------------
Arg [0] : _lh (address): 0xbf40d7ef223cae917c4349c7311c2fdb9aa1c2df
Arg [1] : _prizeDistributor (address): 0xfc58f5768a463ae86111693d825d98a14779b991
Arg [2] : _lhPerBlock (uint256): 1000000000000000000
Arg [3] : _startBlock (uint256): 7564000

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 000000000000000000000000bf40d7ef223cae917c4349c7311c2fdb9aa1c2df
Arg [1] : 000000000000000000000000fc58f5768a463ae86111693d825d98a14779b991
Arg [2] : 0000000000000000000000000000000000000000000000000de0b6b3a7640000
Arg [3] : 0000000000000000000000000000000000000000000000000000000000736ae0


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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