Contract 0x7E6af05Fcf843217fA37D6EA407c2F16323fbFb6 1

 
Txn Hash Method
Block
From
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Value [Txn Fee]
0x5ddc448f366e3550fd01de2f21b7082f8974ca2acec285032fd7b5fc498eaa86Deposit219840772021-11-30 19:03:243 hrs 5 mins ago0x275da74ae609123dd30c7ba8d9cd0b79115ea2ef IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.009419865
0xa9276156d8d65792221d09d6fd5521efa17d15208755b5514ab522b42e63fb8eDeposit219840522021-11-30 19:02:303 hrs 6 mins ago0x275da74ae609123dd30c7ba8d9cd0b79115ea2ef IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.008418624
0x834c1968a2ed896ca1386a782f888efb220749eea7566fef41c0377b9898a795Deposit219840502021-11-30 19:02:263 hrs 6 mins ago0x275da74ae609123dd30c7ba8d9cd0b79115ea2ef IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.010164593
0x638114fb75050458d3b9fcaa5bef972f2e36434047e70c1092c8a137497d37f7Deposit219813292021-11-30 17:20:564 hrs 47 mins ago0x6dc3faeb5445aabcae0a43c79f9262ee0c626155 IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00445923
0x0a997afaf413d4dae66b4ab83a6c173b6fa50397ed3adeb942ed04da6b7fdcf7Deposit219796692021-11-30 16:17:135 hrs 51 mins ago0x90036c2f2c4cf5958eb0a9a841aaeb734e786516 IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00394623
0x8bb8ba5b53efcc8e2ce426ca94e46e7a360fd778994106869266ca65cd5ac9b9Deposit219794272021-11-30 16:08:535 hrs 59 mins ago0xa546e9120f8c9f8166628eaf3924d40d206ae724 IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00478788
0xe71752b3dbe7668cb480b262ff6465008b78b5ac5c6ee68bc5ab0b55968d5522Deposit219793972021-11-30 16:07:536 hrs ago0xa546e9120f8c9f8166628eaf3924d40d206ae724 IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00427857
0x966dc576614165c040cc1141a9b5a54897d2cea747d78f996db53d442406ca6cDeposit219793962021-11-30 16:07:516 hrs ago0xa546e9120f8c9f8166628eaf3924d40d206ae724 IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00507393
0x87cc5005c9044c4b9d2193a7dead4629e8f72e594bce03c53fc51c757787f393Deposit219748382021-11-30 13:08:358 hrs 59 mins ago0x70fbbb63ea364d6ec9061793852183c290d86099 IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.026309457
0x23605fead4688e86d003f9be4d0976a755da5cc688c6281e6a36b9b7e1c02258Withdraw219739542021-11-30 12:32:099 hrs 36 mins ago0x45a7ff4990f858f851a2fdb67b72f47945ffe551 IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.016017254
0x3bac5f85382d5b2432c5fc6ab40eab9fd3fa511d045687f38ffd82f5e2f876a9Deposit219739272021-11-30 12:31:119 hrs 37 mins ago0x45a7ff4990f858f851a2fdb67b72f47945ffe551 IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.017985561
0x9de8acdbcb999ce6f14cb6207927898bae5f0536ff22d09023f06ad0db5a611dDeposit219680682021-11-30 8:54:0013 hrs 14 mins ago0xac64bbe3080d3e09c67e520aecfde72056f5468a IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00417021
0xddd3e7e3e5d8c17a183b9025bd6bba5725f0f92f9689c79fed268d8c26c6497bDeposit219679382021-11-30 8:49:2913 hrs 19 mins ago0xac64bbe3080d3e09c67e520aecfde72056f5468a IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00455337
0xdcff68481a621cae038c3c76e00478e081f461a60e0e62d862f652dbcc4a13d2Deposit219679322021-11-30 8:49:1313 hrs 19 mins ago0xac64bbe3080d3e09c67e520aecfde72056f5468a IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00524766
0xb8c6cd557b635970e456f10534450e4d7b8cef388e16c5552d9869d867a26baeDeposit219679132021-11-30 8:48:3513 hrs 19 mins ago0xac64bbe3080d3e09c67e520aecfde72056f5468a IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00427173
0x02cfceecb3695c752f5fc4f079ebab483c39785a8c0f0583edad67eb9937bd54Withdraw219678682021-11-30 8:47:0113 hrs 21 mins ago0xf9770bc7454a34a417a2201b57067f756173cbd2 IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.0009396
0x37e29a0fb76e15fe82a6aff2af10cd0e480fa5a2c79790ad22e95b156a85bd65Withdraw219678632021-11-30 8:46:5113 hrs 21 mins ago0xf9770bc7454a34a417a2201b57067f756173cbd2 IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00518598
0xe78b645ec8111a16ddf75dbbcbd76d3281b4ebf3550e28aba1086687ece29266Deposit219643642021-11-30 6:41:0715 hrs 27 mins ago0x275da74ae609123dd30c7ba8d9cd0b79115ea2ef IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.007970655
0x330b519f90062492f33aaced2da163139a178e0732b3f32086bc4b48b87eb623Deposit219643362021-11-30 6:40:0315 hrs 28 mins ago0x275da74ae609123dd30c7ba8d9cd0b79115ea2ef IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.006351332
0x47594381e8793ad54cf193243b04e7e44139b00919593ca6f346b54763b03480Deposit219643262021-11-30 6:39:4315 hrs 28 mins ago0x275da74ae609123dd30c7ba8d9cd0b79115ea2ef IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.007283409
0x8b20f90a30716ab6bbf282d4767004665309668aa7b540e3d51870878f7afe0aDeposit219623392021-11-30 5:31:2516 hrs 37 mins ago0x0421bf7fda3146251026ca6cd5f01741781e37eb IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.002536965
0xc08c632cd708ea3c71f25873c09aa885c21c25d74ee0fb0ea0a438619a75cfbbDeposit219622382021-11-30 5:27:5516 hrs 40 mins ago0xf91100b18e4ecc883d2fc610301a30e59a9571bc IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00394623
0x0a552cdda7c820cf930144ddf0e85ecc2087252376d1c3e63de32ae335dd2929Deposit219590302021-11-30 3:24:3118 hrs 44 mins ago0xd31ed1219d60848bf926abf6a808b5f7cce75450 IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00445923
0x4a8cbf2851a50e6441676b1f0eabc76357386f16df97391517a593cccaaf3940Deposit219589662021-11-30 3:22:1918 hrs 46 mins ago0x66b0ac5331551083ce49d224e9045b2f6de8bd4e IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00478788
0xdfc9868e7b7cb9c43bd81e7ae9cd565b4b811205e929ceedc60a9e84e09b99c8Deposit219589572021-11-30 3:22:0118 hrs 46 mins ago0x66b0ac5331551083ce49d224e9045b2f6de8bd4e IN  0x7e6af05fcf843217fa37d6ea407c2f16323fbfb60 MATIC0.00456093
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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 16 : MasterChef.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

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

import "./TenguToken.sol";

// MasterChef is the master of Tengu. He can make Tengu 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 TENGU 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;
    using SafeBEP20 for TenguToken;

    // Info of each user.
    struct UserInfo {
        uint256 amount;         // How many LP tokens the user has provided.
        uint256 rewardDebt;     // Reward debt. See explanation below.
        uint256 rewardLockedUp;  // Reward locked up.
        uint256 nextHarvestUntil; // When can the user harvest again.
        //
        // We do some fancy math here. Basically, any point in time, the amount of TENGUs
        // entitled to a user but is pending to be distributed is:
        //
        //   pending reward = (user.amount * pool.accTenguPerShare) - user.rewardDebt
        //
        // Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
        //   1. The pool's `accTenguPerShare` (and `lastRewardBlock`) gets updated.
        //   2. User receives the pending reward sent to his/her address.
        //   3. User's `amount` gets updated.
        //   4. User's `rewardDebt` gets updated.
    }

    // Info of each pool.
    struct PoolInfo {
        IBEP20 lpToken;           // Address of LP token contract.
        uint256 allocPoint;       // How many allocation points assigned to this pool. TENGUs to distribute per block.
        uint256 lastRewardBlock;  // Last block number that TENGUs distribution occurs.
        uint256 accTenguPerShare;   // Accumulated TENGUs per share, times 1e12. See below.
        uint256 depositFeeBP;      // Deposit fee in basis points
        uint256 harvestInterval;  // Harvest interval in seconds
        uint256 lpSupply;        // To determine more precisely the deposits and avoid the dilution of rewards
    }

    // The TENGU TOKEN!
    TenguToken public tengu;
    // Dev address.
    address public devAddress;
    // Deposit Fee address
    address public feeAddress;
    // TENGU tokens created per block.
    uint256 public tenguPerBlock;
    // Max tokens / block
    uint256 public constant MAX_EMISSION_RATE = 10 ether;
    // Bonus muliplier for early tengu makers.
    uint256 public constant BONUS_MULTIPLIER = 1;
    // Max harvest interval: 14 days.
    uint256 public constant MAXIMUM_HARVEST_INTERVAL = 14 days;


    // 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 TENGU mining starts.
    uint256 public startBlock;
    // Total locked up rewards
    uint256 public totalLockedUpRewards;

    // Tengu referral contract address.
    ITenguReferral public tenguReferral;
    // Referral commission rate in basis points.
    uint256 public referralCommissionRate = 100;
    // Max referral commission rate: 10%.
    uint256 public constant MAXIMUM_REFERRAL_COMMISSION_RATE = 1000;
    // Max deposit fee: 4%
    uint256 public constant MAXIMUM_DEPOSIT_FEE = 400;

    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 EmissionRateUpdated(uint256 previousAmount, uint256 newAmount);
    event ReferralCommissionPaid(address indexed user, address indexed referrer, uint256 commissionAmount);
    event RewardLockedUp(address indexed user, uint256 indexed pid, uint256 amountLockedUp);
    event AddPool(uint256 indexed pid, uint256 allocPoint, address lpTokenAddress, uint256 depositFeeBP, uint256 harvestInterval, uint256 lastRewardBlock);
    event SetPool(uint256 indexed pid, uint256 allocPoint, uint256 depositFeeBP, uint256 harvestInterval);
    event SetDevAddress(address previousDevAddress, address newDevAddress);
    event SetFeeAddress(address previousFeeAddress, address newFeeAddress);
    event SetReferralCommissionRate(uint256 previousReferralCommissionRate, uint256 newReferralCommissionRate);
    event SetTenguReferral(address previousTenguReferral, address newTenguReferral);

    constructor(
        TenguToken _tengu,
        uint256 _startBlock,
        uint256 _tenguPerBlock
    ) public {
        tengu = _tengu;
        startBlock = _startBlock;
        tenguPerBlock = _tenguPerBlock;

        devAddress = msg.sender;
        feeAddress = msg.sender;
    }

    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, uint256 _depositFeeBP, uint256 _harvestInterval, bool _withUpdate) public onlyOwner {
        require(_depositFeeBP <= MAXIMUM_DEPOSIT_FEE, "add: invalid deposit fee basis points");
        require(_harvestInterval <= MAXIMUM_HARVEST_INTERVAL, "add: invalid harvest interval");

        // Test line to ensure the function will fail if the token doesn't exist
        _lpToken.balanceOf(address(this));

        if (_withUpdate) {
            massUpdatePools();
        }
        uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
        totalAllocPoint = totalAllocPoint.add(_allocPoint);
        poolInfo.push(PoolInfo({
            lpToken: _lpToken,
            allocPoint: _allocPoint,
            lastRewardBlock: lastRewardBlock,
            accTenguPerShare: 0,
            depositFeeBP: _depositFeeBP,
            harvestInterval: _harvestInterval,
            lpSupply: 0
        }));
        uint256 pid = poolInfo.length.sub(1);
        emit AddPool(pid, _allocPoint, address(_lpToken), _depositFeeBP, _harvestInterval, lastRewardBlock);
    }

    // Update the given pool's TENGU allocation point and deposit fee. Can only be called by the owner.
    function set(uint256 _pid, uint256 _allocPoint, uint256 _depositFeeBP, uint256 _harvestInterval, bool _withUpdate) public onlyOwner {
        require(_depositFeeBP <= MAXIMUM_DEPOSIT_FEE, "set: invalid deposit fee basis points");
        require(_harvestInterval <= MAXIMUM_HARVEST_INTERVAL, "set: invalid harvest interval");

        if (_withUpdate) {
            massUpdatePools();
        }
        totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
        poolInfo[_pid].allocPoint = _allocPoint;
        poolInfo[_pid].depositFeeBP = _depositFeeBP;
        poolInfo[_pid].harvestInterval = _harvestInterval;
        emit SetPool(_pid, _allocPoint, _depositFeeBP, _harvestInterval);
    }

    // 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 TENGUs on frontend.
    function pendingTengu(uint256 _pid, address _user) external view returns (uint256) {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][_user];
        uint256 accTenguPerShare = pool.accTenguPerShare;
        if (block.number > pool.lastRewardBlock && pool.lpSupply != 0) {
            uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
            uint256 tenguReward = multiplier.mul(tenguPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
            accTenguPerShare = accTenguPerShare.add(tenguReward.mul(1e12).div(pool.lpSupply));
        }
        uint256 pending = user.amount.mul(accTenguPerShare).div(1e12).sub(user.rewardDebt);
        return pending.add(user.rewardLockedUp);
    }

    // View function to see if user can harvest TENGUs.
    function canHarvest(uint256 _pid, address _user) public view returns (bool) {
        UserInfo storage user = userInfo[_pid][_user];
        return block.timestamp >= user.nextHarvestUntil;
    }

    // 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) internal {
        PoolInfo storage pool = poolInfo[_pid];
        if (block.number <= pool.lastRewardBlock) {
            return;
        }
        if (pool.lpSupply == 0 || pool.allocPoint == 0) {
            pool.lastRewardBlock = block.number;
            return;
        }
        uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
        uint256 tenguReward = multiplier.mul(tenguPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
        tengu.mint(devAddress, tenguReward.div(10));
        tengu.mint(address(this), tenguReward);
        pool.accTenguPerShare = pool.accTenguPerShare.add(tenguReward.mul(1e12).div(pool.lpSupply));
        pool.lastRewardBlock = block.number;
    }

    // Update reward variables of the given pool to be up-to-date (external version w/ non-reentrancy)
    function updatePool(uint256 _pid) external nonReentrant {
        _updatePool(_pid);
    }

    // Deposit LP tokens to MasterChef for TENGU allocation.
    function deposit(uint256 _pid, uint256 _amount, address _referrer) public nonReentrant {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        _updatePool(_pid);
        if (_amount > 0 && address(tenguReferral) != address(0) && _referrer != address(0) && _referrer != msg.sender) {
            tenguReferral.recordReferral(msg.sender, _referrer);
        }
        _payOrLockupPendingTengu(_pid);
        if (_amount > 0) {
            // To handle correctly the transfer tax tokens w/ the pools
            uint256 balanceBefore = pool.lpToken.balanceOf(address(this));
            pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
            _amount = pool.lpToken.balanceOf(address(this)).sub(balanceBefore);

            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);
                pool.lpSupply = pool.lpSupply.add(_amount).sub(depositFee);
            } else {
                user.amount = user.amount.add(_amount);
                pool.lpSupply = pool.lpSupply.add(_amount);
            }
        }
        user.rewardDebt = user.amount.mul(pool.accTenguPerShare).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);
        _payOrLockupPendingTengu(_pid);
        if (_amount > 0) {
            user.amount = user.amount.sub(_amount);
            pool.lpToken.safeTransfer(address(msg.sender), _amount);
            pool.lpSupply = pool.lpSupply.sub(_amount);
        }
        user.rewardDebt = user.amount.mul(pool.accTenguPerShare).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;
        pool.lpSupply = pool.lpSupply.sub(user.amount);
        user.amount = 0;
        user.rewardDebt = 0;
        user.rewardLockedUp = 0;
        user.nextHarvestUntil = 0;
        pool.lpToken.safeTransfer(address(msg.sender), amount);
        emit EmergencyWithdraw(msg.sender, _pid, amount);
    }

    // Pay or lockup pending TENGUs.
    function _payOrLockupPendingTengu(uint256 _pid) internal {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];

        if (user.nextHarvestUntil == 0) {
            user.nextHarvestUntil = block.timestamp.add(pool.harvestInterval);
        }

        uint256 pending = user.amount.mul(pool.accTenguPerShare).div(1e12).sub(user.rewardDebt);
        if (canHarvest(_pid, msg.sender)) {
            if (pending > 0 || user.rewardLockedUp > 0) {
                uint256 totalRewards = pending.add(user.rewardLockedUp);

                // reset lockup
                totalLockedUpRewards = totalLockedUpRewards.sub(user.rewardLockedUp);
                user.rewardLockedUp = 0;
                user.nextHarvestUntil = block.timestamp.add(pool.harvestInterval);

                // send rewards
                _safeTenguTransfer(msg.sender, totalRewards);
                _payReferralCommission(msg.sender, totalRewards);
            }
        } else if (pending > 0) {
            user.rewardLockedUp = user.rewardLockedUp.add(pending);
            totalLockedUpRewards = totalLockedUpRewards.add(pending);
            emit RewardLockedUp(msg.sender, _pid, pending);
        }
    }

    // Safe tengu transfer function, just in case if rounding error causes pool to not have enough TENGUs.
    function _safeTenguTransfer(address _to, uint256 _amount) internal {
        uint256 tenguBal = tengu.balanceOf(address(this));
        if (_amount > tenguBal) {
            tengu.safeTransfer(_to, tenguBal);
        } else {
            tengu.safeTransfer(_to, _amount);
        }
    }

    // Update dev address by the previous dev.
    function setDevAddress(address _devAddress) public {
        require(msg.sender == devAddress, "setDevAddress: FORBIDDEN");
        require(_devAddress != address(0), "setDevAddress: ZERO");

        address previousDevAddress = devAddress;
        devAddress = _devAddress;
        emit SetDevAddress(previousDevAddress, devAddress);
    }

    function setFeeAddress(address _feeAddress) public {
        require(msg.sender == feeAddress, "setFeeAddress: FORBIDDEN");
        require(_feeAddress != address(0), "setFeeAddress: ZERO");

        address previousFeeAddress = feeAddress;
        feeAddress = _feeAddress;
        emit SetFeeAddress(previousFeeAddress, feeAddress);
    }

    // Pancake has to add hidden dummy pools in order to alter the emission, here we make it simple and transparent to all.
    function updateEmissionRate(uint256 _tenguPerBlock) public onlyOwner {
        require(_tenguPerBlock <= MAX_EMISSION_RATE, "TENGU::updateEmissionRate: emission rate must not exceed the the maximum rate");

        massUpdatePools();
        uint256 previousTenguPerBlock = tenguPerBlock;
        tenguPerBlock = _tenguPerBlock;
        emit EmissionRateUpdated(previousTenguPerBlock, tenguPerBlock);
    }

    // Update the tengu referral contract address by the owner
    function setTenguReferral(ITenguReferral _tenguReferral) public onlyOwner {
        address previousTenguReferral = address(tenguReferral);
        tenguReferral = _tenguReferral;
        emit SetTenguReferral(previousTenguReferral, address(tenguReferral));
    }

    // Update referral commission rate by the owner
    function setReferralCommissionRate(uint256 _referralCommissionRate) public onlyOwner {
        require(_referralCommissionRate <= MAXIMUM_REFERRAL_COMMISSION_RATE, "setReferralCommissionRate: invalid referral commission rate basis points");

        uint256 previousReferralCommissionRate = referralCommissionRate;
        referralCommissionRate = _referralCommissionRate;
        emit SetReferralCommissionRate(previousReferralCommissionRate, referralCommissionRate);
    }

    // Pay referral commission to the referrer who referred this user.
    function _payReferralCommission(address _user, uint256 _pending) internal {
        if (address(tenguReferral) != address(0) && referralCommissionRate > 0) {
            address referrer = tenguReferral.getReferrer(_user);
            uint256 commissionAmount = _pending.mul(referralCommissionRate).div(10000);

            if (referrer != address(0) && commissionAmount > 0) {
                tengu.mint(referrer, commissionAmount);
                tenguReferral.recordReferralCommission(referrer, commissionAmount);
                emit ReferralCommissionPaid(_user, referrer, commissionAmount);
            }
        }
    }
}

File 2 of 16 : TenguToken.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "./libs/BEP20.sol";
import "./libs/IGreatTengu.sol";
import "./libs/SafeBEP20.sol";

import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol";

// TenguToken with Governance.
contract TenguToken is BEP20 {
    using SafeBEP20 for IGreatTengu;

    IGreatTengu public gTengu;
    // Transfer tax rate in basis points. (default 8%)
    uint256 public transferTaxRate = 800;
    // Burn rate % of transfer tax. (default 25% x 8% = 2% of total amount).
    uint256 public burnRate = 25;
    // Rate % of the gTengu obtained from the transfer tax. (default 50% x 8% = 4% of total amount)
    uint256 public gTenguRate = 50;
    // Max transfer tax rate: 10%.
    uint256 public constant MAXIMUM_TRANSFER_TAX_RATE = 1000;
    // Burn address
    address public constant BURN_ADDRESS = 0x000000000000000000000000000000000000dEaD;
    // Active fee to swap GTENGU to TENGU (default is 20%)
    uint256 public swapGTenguToTenguFee = 2000;
    // Max fee to swap GTENGU to TENGU (30%)
    uint256 public constant SWAP_GTENGU_TO_TENGU_MAX_FEE = 3000;
    // List to cancel GTENGU tax to master & pools contracts
    mapping(address => bool) public excludedFromGTenguTax;
    // Addresses excluded from whole transfer tax
    mapping(address => bool) public excludedFromTransferTax;

    // Max transfer amount rate in basis points. (default is 0.5% of total supply)
    uint256 public maxTransferAmountRate = 50;
    // Min. transfer amount rate : 0.3% of total supply
    uint256 public constant MIN_TRANSFER_AMOUNT_RATE = 30;
    // Addresses that excluded from antiWhale
    mapping(address => bool) private _excludedFromAntiWhale;
    // Min amount to liquify. (default 50 TENGUs)
    uint256 public minAmountToLiquify = 50 ether;
    // The swap router, modifiable. Will be changed to TenguSwap's router when our own AMM release
    IUniswapV2Router02 public tenguSwapRouter;
    // The trading pair
    address public tenguSwapPair;
    // Not in swap and liquify
    bool private _notInSwapAndLiquify = true;
    // Set locker contract address
    address public locker;

    /**
    * @notice The operator can update the transfer tax rate and its repartition
    * It will be transferred to the timelock contract
    */
    address private _operator;

    /**
    * @notice The sensitive operator can update the tenguSwapRouter and the locker address
    * It will be transferred to a second timelock contract w/ a much longer duration
    */
    address private _sensitiveOperator;

    // Events
    event OperatorTransferred(address indexed previousOperator, address indexed newOperator);
    event SensitiveOperatorTransferred(address indexed previousOperator, address indexed newOperator);
    event TransferTaxRateUpdated(address indexed operator, uint256 previousRate, uint256 newRate);
    event BurnRateUpdated(address indexed operator, uint256 previousRate, uint256 newRate);
    event GTenguRateUpdated(address indexed operator, uint256 previousRate, uint256 newRate);
    event MaxTransferAmountRateUpdated(address indexed operator, uint256 previousRate, uint256 newRate);
    event MinAmountToLiquifyUpdated(address indexed operator, uint256 previousAmount, uint256 newAmount);
    event TenguSwapRouterUpdated(address indexed operator, address indexed router, address indexed pair);
    event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity);
    event SetSwapGTenguToTenguFee(uint256 previousFee, uint256 newFee);
    event SwapGTenguToTengu(address indexed sender, address indexed recipient, uint256 gTenguAmount, uint256 tenguAmount);
    event LockerUpdated(address previousLocker, address newLocker);
    event SetGTenguContractAddress(address gTengu);
    event SetExcludedFromAntiWhale(address accountAddress, bool excluded);
    event SetExcludedFromGTenguTax(address accountAddress, bool excluded);
    event SetExcludedFromTransferTax(address accountAddress, bool excluded);
    event BuyBackAndBurn(uint256 ethAmount);

    modifier onlyOperator() {
        require(_operator == msg.sender, "operator: caller is not the operator");
        _;
    }

    modifier onlySensitiveOperator() {
        require(_sensitiveOperator == msg.sender, "operator: caller is not the sensitive operator");
        _;
    }

    modifier antiWhale(address sender, address recipient, uint256 amount) {
        if (maxTransferAmount() > 0) {
            if (
                _excludedFromAntiWhale[sender] == false
                && _excludedFromAntiWhale[recipient] == false
            ) {
                require(amount <= maxTransferAmount(), "TENGU::antiWhale: Transfer amount exceeds the maxTransferAmount");
            }
        }
        _;
    }

    modifier lockTheSwap {
        require(_notInSwapAndLiquify, "TENGU::lockTheSwap: already in");
        _notInSwapAndLiquify = false;
        _;
        _notInSwapAndLiquify = true;
    }

    modifier transferTaxFree {
        uint256 _transferTaxRate = transferTaxRate;
        transferTaxRate = 0;
        _;
        transferTaxRate = _transferTaxRate;
    }

    /**
     * @notice Constructs the TenguToken contract.
     */
    constructor() public BEP20("TENGU Token", "TENGU") {
        _operator = _msgSender();
        emit OperatorTransferred(address(0), _operator);
        _sensitiveOperator = _msgSender();
        emit SensitiveOperatorTransferred(address(0), _sensitiveOperator);

        setExcludedFromAntiWhale(msg.sender,  true);
        setExcludedFromAntiWhale(address(0), true);
        setExcludedFromAntiWhale(address(this), true);
        setExcludedFromAntiWhale(BURN_ADDRESS, true);
    }

    /// @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);
    }

    /// @dev overrides transfer function to meet tokenomics of TENGU
    function _transfer(address sender, address recipient, uint256 amount) internal virtual override antiWhale(sender, recipient, amount) {
        if (recipient == BURN_ADDRESS || transferTaxRate == 0 || excludedFromTransferTax[sender] || excludedFromTransferTax[recipient]) {
            super._transfer(sender, recipient, amount);
        } else {
            // default tax is 8% of every transfer
            uint256 taxAmount = amount.mul(transferTaxRate).div(10000);

            // default 92% of transfer sent to recipient
            uint256 sendAmount = amount.sub(taxAmount);
            require(amount == sendAmount + taxAmount, "TENGU::transfer: Tax value invalid");

            uint256 burnAmount = taxAmount.mul(burnRate).div(100);

            uint256 toGTenguAmount = taxAmount.mul(gTenguRate).div(100);
            // Exclude master and pools from GTengu swap (burn instead)
            if (excludedFromGTenguTax[sender]) {
                burnAmount = burnAmount.add(toGTenguAmount);
                toGTenguAmount = 0;
            }

            uint256 liquidityAmount = taxAmount.sub(burnAmount).sub(toGTenguAmount);
            require(taxAmount == burnAmount + toGTenguAmount + liquidityAmount, "TENGU::transfer: Burn value invalid");

            super._transfer(sender, BURN_ADDRESS, burnAmount);
            // transfer on this contract the amounts to liquify and to swap to GTengu
            super._transfer(sender, address(this), liquidityAmount.add(toGTenguAmount));
            super._transfer(sender, recipient, sendAmount);
            if (toGTenguAmount > 0) {
                gTengu.swapTenguToGTengu(toGTenguAmount, sender);
            }
        }
    }

    /// @dev Swap and liquify
    function swapAndLiquify() external lockTheSwap transferTaxFree {
        require(address(tenguSwapRouter) != address(0), "TENGU::swapAndLiquify: Router not defined");

        uint256 contractTokenBalance = balanceOf(address(this));
        uint256 maxTransferAmount = maxTransferAmount();
        contractTokenBalance = contractTokenBalance > maxTransferAmount ? maxTransferAmount : contractTokenBalance;

        if (contractTokenBalance >= minAmountToLiquify) {
            // only min amount to liquify
            uint256 liquifyAmount = minAmountToLiquify;

            // split the liquify amount into halves
            uint256 half = liquifyAmount.div(2);
            uint256 otherHalf = liquifyAmount.sub(half);

            // capture the contract's current ETH balance.
            // this is so that we can capture exactly the amount of ETH that the
            // swap creates, and not make the liquidity event include any ETH that
            // has been manually sent to the contract
            uint256 initialBalance = address(this).balance;

            // swap tokens for ETH
            swapTokensForEth(half);

            // how much ETH did we just swap into?
            uint256 newBalance = address(this).balance.sub(initialBalance);

            // add liquidity
            addLiquidity(otherHalf, newBalance);

            emit SwapAndLiquify(half, newBalance, otherHalf);
        }
    }

    /// @dev Swap tokens for eth
    function swapTokensForEth(uint256 tokenAmount) private {
        // generate the tenguSwap pair path of token -> weth
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = tenguSwapRouter.WETH();

        _approve(address(this), address(tenguSwapRouter), tokenAmount);

        // make the swap
        tenguSwapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0, // accept any amount of ETH
            path,
            address(this),
            block.timestamp
        );
    }

    /// @dev Add liquidity
    function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
        require(locker != address(0), "TENGU::addLiquidity: locker address must be set");

        // approve token transfer to cover all possible scenarios
        _approve(address(this), address(tenguSwapRouter), tokenAmount);

        // add the liquidity
        tenguSwapRouter.addLiquidityETH{value: ethAmount}(
            address(this),
            tokenAmount,
            0, // slippage is unavoidable
            0, // slippage is unavoidable
            locker,
            block.timestamp
        );
    }

    /**
     * @dev Returns the max transfer amount.
     */
    function maxTransferAmount() public view returns (uint256) {
        return totalSupply().mul(maxTransferAmountRate).div(10000);
    }

    /**
     * @dev Returns the address is excluded from antiWhale or not.
     */
    function isExcludedFromAntiWhale(address _account) public view returns (bool) {
        return _excludedFromAntiWhale[_account];
    }

    // To receive BNB from tenguSwapRouter when swapping
    receive() external payable {}

    /**
     * @dev Update the transfer tax rate.
     * Can only be called by the current operator.
     */
    function updateTransferTaxRate(uint256 _transferTaxRate) public onlyOperator {
        require(_transferTaxRate <= MAXIMUM_TRANSFER_TAX_RATE, "TENGU::updateTransferTaxRate: Transfer tax rate must not exceed the maximum rate.");

        uint256 previousTransferTaxRate = transferTaxRate;
        transferTaxRate = _transferTaxRate;
        emit TransferTaxRateUpdated(msg.sender, previousTransferTaxRate, transferTaxRate);
    }

    /**
     * @dev Update the burn rate.
     * Can only be called by the current operator.
     */
    function updateBurnRate(uint256 _burnRate) public onlyOperator {
        require(_burnRate.add(gTenguRate) <= 100, "TENGU::updateBurnRate: GTengu + burn rates must not exceed the maximum rate.");

        uint256 previousBurnRate = burnRate;
        burnRate = _burnRate;
        emit BurnRateUpdated(msg.sender, previousBurnRate, burnRate);
    }

    /**
     * @dev Update the burn rate.
     * Can only be called by the current operator.
     */
    function updateGTenguRate(uint256 _gTenguRate) public onlyOperator {
        require(burnRate.add(_gTenguRate) <= 100, "TENGU::updateGTenguRate: GTengu + burn rates must not exceed the maximum rate.");

        uint256 previousGTenguRate = gTenguRate;
        gTenguRate = _gTenguRate;
        emit GTenguRateUpdated(msg.sender, previousGTenguRate, gTenguRate);
    }

    /**
     * @dev Update the max transfer amount rate.
     * Can only be called by the current operator.
     */
    function updateMaxTransferAmountRate(uint256 _maxTransferAmountRate) public onlyOperator {
        require(_maxTransferAmountRate <= 50, "TENGU::updateMaxTransferAmountRate: Max transfer amount rate must not exceed the maximum rate.");
        require(_maxTransferAmountRate >= MIN_TRANSFER_AMOUNT_RATE, "TENGU::updateMaxTransferAmountRate: Min transfer amount rate must be above the minimum rate.");

        uint256 previousMaxTransferAmountRate = maxTransferAmountRate;
        maxTransferAmountRate = _maxTransferAmountRate;
        emit MaxTransferAmountRateUpdated(msg.sender, previousMaxTransferAmountRate, maxTransferAmountRate);
    }

    /**
     * @dev Update the min amount to liquify.
     * Can only be called by the current operator.
     */
    function updateMinAmountToLiquify(uint256 _minAmount) public onlyOperator {
        uint256 previousMinAmountToLiquify = minAmountToLiquify;
        minAmountToLiquify = _minAmount;
        emit MinAmountToLiquifyUpdated(msg.sender, previousMinAmountToLiquify, minAmountToLiquify);
    }

    /**
     * @dev Exclude or include an address from antiWhale.
     * Can only be called by the current operator.
     */
    function setExcludedFromAntiWhale(address _account, bool _excluded) public onlyOperator {
        _excludedFromAntiWhale[_account] = _excluded;
        emit SetExcludedFromAntiWhale(_account, _excluded);
    }

    /**
     * @dev Update the swap router.
     * Can only be called by the current sensitiveOperator.
     */
    function updateTenguSwapRouter(address _router) public onlySensitiveOperator {
        tenguSwapRouter = IUniswapV2Router02(_router);
        tenguSwapPair = IUniswapV2Factory(tenguSwapRouter.factory()).getPair(address(this), tenguSwapRouter.WETH());
        require(tenguSwapPair != address(0), "TENGU::updateTenguSwapRouter: Invalid pair address.");
        emit TenguSwapRouterUpdated(msg.sender, address(tenguSwapRouter), tenguSwapPair);
    }

    /**
     * @dev Update the tengu locker contract.
     * Can only be called by the current sensitiveOperator.
     */
    function updateLocker(address _locker) public onlySensitiveOperator {
        require(_locker != address(0), "TENGU::updateTenguLocker: new operator is the zero address");

        address previousLocker = locker;
        locker = _locker;
        // Remove previous locker from anti-whale
        if (address(previousLocker) != address(0)) {
            setExcludedFromAntiWhale(address(previousLocker), false);
        }
        // Exclude new locker from anti-whale
        setExcludedFromAntiWhale(address(locker), true);
        emit LockerUpdated(previousLocker, locker);
    }

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

    /**
     * @dev Returns the address of the current sensitive operator.
     */
    function sensitiveOperator() public view returns (address) {
        return _sensitiveOperator;
    }

    /**
     * @dev Transfers operator of the contract to a new account (`newOperator`).
     * Can only be called by the current operator.
     */
    function transferOperator(address newOperator) public onlyOperator {
        require(newOperator != address(0), "TENGU::transferOperator: new operator is the zero address");

        address previousOperator = _operator;
        _operator = newOperator;
        emit OperatorTransferred(previousOperator, _operator);
    }

    /**
     * @dev Transfers sensitiveOperator of the contract to a new account (`newOperator`).
     * Can only be called by the current sensitiveOperator.
     */
    function transferSensitiveOperator(address newOperator) public onlySensitiveOperator {
        require(newOperator != address(0), "TENGU::transferSensitiveOperator: new operator is the zero address");

        address previousOperator = _operator;
        _sensitiveOperator = newOperator;
        emit SensitiveOperatorTransferred(previousOperator, _sensitiveOperator);
    }

    /**
     * @dev Swap an amount of GTengu for the corresponding amount of newly minted Tengu. Burn the swapped GTengu.
     */
    function _swapGTenguToTengu(address sender, address recipient, uint256 amount) internal {
        require(amount > 0, "TENGU::swapGTenguToTengu: amount 0");
        require(gTengu.balanceOf(sender) >= amount, "TENGU::swapGTenguToTengu: not enough GTENGU");

        uint256 tenguAmount = getSwapGTenguToTenguAmount(amount);
        _mint(recipient, tenguAmount);
        gTengu.safeTransferFrom(sender, BURN_ADDRESS, amount);
        emit SwapGTenguToTengu(sender, recipient, amount, tenguAmount);
    }

    function swapGTenguToTengu(uint256 amount) external {
        _swapGTenguToTengu(msg.sender, msg.sender, amount);
    }

    function swapGTenguToTengu(uint256 amount, address recipient) external {
        _swapGTenguToTengu(msg.sender, recipient, amount);
    }

    /**
     * @dev Set the fee when swapping GTengu for Tengu.
     * Can only be called by the current operator.
     */
    function setSwapGTenguToTenguFee(uint256 fee) external onlyOperator {
        require(fee <= SWAP_GTENGU_TO_TENGU_MAX_FEE, "TENGU::setSwapGTenguToTenguFee: fee too high");

        uint256 previousFee = swapGTenguToTenguFee;
        swapGTenguToTenguFee = fee;
        emit SetSwapGTenguToTenguFee(previousFee, swapGTenguToTenguFee);
    }

    /**
     * @dev Returns the amount of Tengu obtainable for swapping 'amount' of GTengu.
     */
    function getSwapGTenguToTenguAmount(uint256 amount) public view returns (uint256 tenguAmount) {
        uint256 fee = amount.mul(swapGTenguToTenguFee).div(10000);
        return amount.sub(fee);
    }

    /**
     * @dev Set the GTengu contract address.
     * Can only be called by the current operator.
     * Can only be called once.
     */
    function setGTenguContractAddress(IGreatTengu gTengu_) external onlyOperator {
        require(address(gTengu) == address(0), "TENGU::setGTenguContractAddress: already initialized");

        gTengu = gTengu_;
        // Exclude GTengu contract from anti-whale
        setExcludedFromAntiWhale(address(gTengu), true);
        // Authorize GTengu contract to transfer (to the burn address) the Tengu we want to swap to GTengu
        // cf GreatTenguToken._swapToGTengu()
        _approve(address(this), address(gTengu), uint256(-1));
        emit SetGTenguContractAddress(address(gTengu));
    }

    /**
     * @dev Exclude or include an address from transfer tax.
     * Used for the Master and some internal project addresses
     * Can only be called by the current operator.
     */
    function setExcludedFromTransferTax(address _account, bool _excluded) public onlyOperator {
        excludedFromTransferTax[_account] = _excluded;
        emit SetExcludedFromTransferTax(_account, _excluded);
    }

    /**
     * @dev Exclude or include an address from GTengu tax.
     * Used for the Master and the Tengu pools.
     * Can only be called by the current operator.
     */
    function setExcludedFromGTenguTax(address _account, bool _excluded) public onlyOperator {
        excludedFromGTenguTax[_account] = _excluded;
        emit SetExcludedFromGTenguTax(_account, _excluded);
    }

    /**
     * @dev To handle the BNB dust that may build up on the contract
     * Use the BNB to buy back and burn TENGU
     */
    function buyBackAndBurn() external onlyOperator {
        // generate the tenguSwap pair path of weth -> token
        address[] memory path = new address[](2);
        path[0] = tenguSwapRouter.WETH();
        path[1] = address(this);

        uint256 ethAmount = address(this).balance;
        // make the swap
        tenguSwapRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{value: ethAmount}(
            0, // accept any amount of TENGU
            path,
            BURN_ADDRESS,
            block.timestamp
        );
        emit BuyBackAndBurn(ethAmount);
    }

}

File 3 of 16 : BEP20.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.4.0;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Context.sol";
import "./IBEP20.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/utils/Address.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;
    using Address for address;

    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 token name.
     */
    function name() public override view returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the token decimals.
     */
    function decimals() public override view returns (uint8) {
        return _decimals;
    }

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

    /**
     * @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 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 virtual {
        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 4 of 16 : IBEP20.sol
// SPDX-License-Identifier: GPL-3.0-or-later

pragma solidity >=0.4.0;

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 5 of 16 : IGreatTengu.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "./IBEP20.sol";


interface IGreatTengu is IBEP20 {
    function swapTenguToGTengu(uint256 amount) external;
    function swapTenguToGTengu(uint256 amount, address recipient) external;
}

File 6 of 16 : ITenguReferral.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

interface ITenguReferral {
    /**
     * @dev Record referral.
     */
    function recordReferral(address user, address referrer) external;

    /**
     * @dev Record referral commission.
     */
    function recordReferralCommission(address referrer, uint256 commission) external;

    /**
     * @dev Get the referrer address that referred the user.
     */
    function getReferrer(address user) external view returns (address);
}

File 7 of 16 : SafeBEP20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

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 8 of 16 : 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 16 : 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 16 : 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 16 : 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 16 : 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;
    }
}

File 13 of 16 : IUniswapV2Factory.sol
pragma solidity >=0.5.0;

interface IUniswapV2Factory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint);

    function feeTo() external view returns (address);
    function feeToSetter() external view returns (address);

    function getPair(address tokenA, address tokenB) external view returns (address pair);
    function allPairs(uint) external view returns (address pair);
    function allPairsLength() external view returns (uint);

    function createPair(address tokenA, address tokenB) external returns (address pair);

    function setFeeTo(address) external;
    function setFeeToSetter(address) external;
}

File 14 of 16 : IUniswapV2Pair.sol
pragma solidity >=0.5.0;

interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

    function name() external pure returns (string memory);
    function symbol() external pure returns (string memory);
    function decimals() external pure returns (uint8);
    function totalSupply() external view returns (uint);
    function balanceOf(address owner) external view returns (uint);
    function allowance(address owner, address spender) external view returns (uint);

    function approve(address spender, uint value) external returns (bool);
    function transfer(address to, uint value) external returns (bool);
    function transferFrom(address from, address to, uint value) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);
    function PERMIT_TYPEHASH() external pure returns (bytes32);
    function nonces(address owner) external view returns (uint);

    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;

    event Mint(address indexed sender, uint amount0, uint amount1);
    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
    event Swap(
        address indexed sender,
        uint amount0In,
        uint amount1In,
        uint amount0Out,
        uint amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint);
    function factory() external view returns (address);
    function token0() external view returns (address);
    function token1() external view returns (address);
    function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
    function price0CumulativeLast() external view returns (uint);
    function price1CumulativeLast() external view returns (uint);
    function kLast() external view returns (uint);

    function mint(address to) external returns (uint liquidity);
    function burn(address to) external returns (uint amount0, uint amount1);
    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
    function skim(address to) external;
    function sync() external;

    function initialize(address, address) external;
}

File 15 of 16 : IUniswapV2Router01.sol
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);
}

File 16 of 16 : IUniswapV2Router02.sol
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;
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"contract TenguToken","name":"_tengu","type":"address"},{"internalType":"uint256","name":"_startBlock","type":"uint256"},{"internalType":"uint256","name":"_tenguPerBlock","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"allocPoint","type":"uint256"},{"indexed":false,"internalType":"address","name":"lpTokenAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"depositFeeBP","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"harvestInterval","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"lastRewardBlock","type":"uint256"}],"name":"AddPool","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EmergencyWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"previousAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newAmount","type":"uint256"}],"name":"EmissionRateUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"referrer","type":"address"},{"indexed":false,"internalType":"uint256","name":"commissionAmount","type":"uint256"}],"name":"ReferralCommissionPaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amountLockedUp","type":"uint256"}],"name":"RewardLockedUp","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousDevAddress","type":"address"},{"indexed":false,"internalType":"address","name":"newDevAddress","type":"address"}],"name":"SetDevAddress","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousFeeAddress","type":"address"},{"indexed":false,"internalType":"address","name":"newFeeAddress","type":"address"}],"name":"SetFeeAddress","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"allocPoint","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"depositFeeBP","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"harvestInterval","type":"uint256"}],"name":"SetPool","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"previousReferralCommissionRate","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newReferralCommissionRate","type":"uint256"}],"name":"SetReferralCommissionRate","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousTenguReferral","type":"address"},{"indexed":false,"internalType":"address","name":"newTenguReferral","type":"address"}],"name":"SetTenguReferral","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"BONUS_MULTIPLIER","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAXIMUM_DEPOSIT_FEE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAXIMUM_HARVEST_INTERVAL","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAXIMUM_REFERRAL_COMMISSION_RATE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_EMISSION_RATE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_allocPoint","type":"uint256"},{"internalType":"contract IBEP20","name":"_lpToken","type":"address"},{"internalType":"uint256","name":"_depositFeeBP","type":"uint256"},{"internalType":"uint256","name":"_harvestInterval","type":"uint256"},{"internalType":"bool","name":"_withUpdate","type":"bool"}],"name":"add","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"address","name":"_user","type":"address"}],"name":"canHarvest","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_referrer","type":"address"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"devAddress","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":"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":"getMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","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":"pendingTengu","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":"accTenguPerShare","type":"uint256"},{"internalType":"uint256","name":"depositFeeBP","type":"uint256"},{"internalType":"uint256","name":"harvestInterval","type":"uint256"},{"internalType":"uint256","name":"lpSupply","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"referralCommissionRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_allocPoint","type":"uint256"},{"internalType":"uint256","name":"_depositFeeBP","type":"uint256"},{"internalType":"uint256","name":"_harvestInterval","type":"uint256"},{"internalType":"bool","name":"_withUpdate","type":"bool"}],"name":"set","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_devAddress","type":"address"}],"name":"setDevAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeAddress","type":"address"}],"name":"setFeeAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_referralCommissionRate","type":"uint256"}],"name":"setReferralCommissionRate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ITenguReferral","name":"_tenguReferral","type":"address"}],"name":"setTenguReferral","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tengu","outputs":[{"internalType":"contract TenguToken","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tenguPerBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tenguReferral","outputs":[{"internalType":"contract ITenguReferral","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalAllocPoint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalLockedUpRewards","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":"_tenguPerBlock","type":"uint256"}],"name":"updateEmissionRate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"}],"name":"updatePool","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"},{"internalType":"uint256","name":"rewardLockedUp","type":"uint256"},{"internalType":"uint256","name":"nextHarvestUntil","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)

0000000000000000000000006f6350d5d347aa8f7e9731756b60b774a7acf95b00000000000000000000000000000000000000000000000000000000011b6b7f0000000000000000000000000000000000000000000000005c9099a92bdb0000

-----Decoded View---------------
Arg [0] : _tengu (address): 0x6f6350d5d347aa8f7e9731756b60b774a7acf95b
Arg [1] : _startBlock (uint256): 18574207
Arg [2] : _tenguPerBlock (uint256): 6670000000000000000

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 0000000000000000000000006f6350d5d347aa8f7e9731756b60b774a7acf95b
Arg [1] : 00000000000000000000000000000000000000000000000000000000011b6b7f
Arg [2] : 0000000000000000000000000000000000000000000000005c9099a92bdb0000


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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