Contract 0x99fdb84d876ef165da47760120b4e53932a3eed7

 

Contract Overview

Bees Finance: BZZZ Token
Balance:
0 BNB

BNB Value:
$0.00

Token:
Txn Hash
Block
From
To
Value [Txn Fee]
0x32fc23b6d382ae002fa74dec74b0e0b1f58f06415e362877beed0bb1b1587aae83798052021-06-17 16:15:2416 hrs ago0xf0ee835e0e1b7db93829b1d6613bb695928bde71 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0xb0be7df4c6d0a336fb389ee3a46cd34f2094818e350af6eb0b64b5d1408df58583780012021-06-17 14:45:1217 hrs 31 mins ago0xba4ca33096266da3d9a21078598144df6533f28b IN  Bees Finance: BZZZ Token0 BNB0.000222625
0xfcb1801e61a75dabc16464f479ac17cea67a592711866b50df5ecba3fa3ea01283386672021-06-16 5:42:292 days 2 hrs ago0xbf6e6e6f5a2af12d0d2a77de13d5a237532b1c96 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0x2cb8193a045a6df22b712ea4818ee40d609bd57a5007fd7a79a7c35a958a786683373712021-06-16 4:37:112 days 3 hrs ago0x46ec8c6912fd38879842d53856b997db9b79eaf9 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0x4fd1572c867f644428a0ece3a1638e665ed5352b795d1713631079a15db2928883337912021-06-16 1:35:552 days 6 hrs ago0xcceda6e754e9d0f72cefef34d58ba3b792941602 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0x9524c2e4834fa8bc8045bd048d7787400678bf568b5b3931d9727e97cc68483582962952021-06-14 17:54:073 days 14 hrs ago0x9c4ec23229ef84dd6e4d864c56a7e541675b3a5f IN  Bees Finance: BZZZ Token0 BNB0.000222625
0x3379f3cdec59e25002992368a292a59ed304654415727d1cafbde3ff4069d4b882895902021-06-14 12:16:443 days 19 hrs ago0xb3b7fab8302b68da2511bf2f1993e13ad2c0d3db IN  Bees Finance: BZZZ Token0 BNB0.0002270775
0x1828c7cd4aa48d73db338749ced5a93e283fd450712ccd36141481e97c49cf8a82848432021-06-14 8:16:293 days 23 hrs ago0x6bde0cb58044f73d487345660304152a92928b67 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0xc1607a57bc6ea0932af05f4e37cdae743f312627febdf2d51b81e77428965bf182785642021-06-14 2:58:454 days 5 hrs ago0x48b576c87e788a762d6f95a456f2a39113b46950 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0x6510462a8617a116e06a46dc9ddbb458807a398b1659beda55f40a5171f135c382034372021-06-11 11:52:426 days 20 hrs ago0xcc23eb4ce2f2ad4f5407da66295f39d450c5b2d4 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0x25a8908aa456195d5202ec66805b72f87897f8af32502f94a10e994df25f0cd881865012021-06-10 21:44:197 days 10 hrs ago0x7cba966ef2ca9fccb83e88ac73365d035771004e IN  Bees Finance: BZZZ Token0 BNB0.000222625
0x2b0cce0d2292285053bcff5d301b934058f9a88d4b0037d28e3e99d9dbb0ba9981721402021-06-10 9:41:447 days 22 hrs ago0x46e1da689f16f0fb3d05ec19d2591ac5b35fcc5f IN  Bees Finance: BZZZ Token0 BNB0.000222625
0x6cb9b5faf346d9379e41e97f4d18070dbb5f0bd15fcc6afb430313336370e75c81320142021-06-09 0:08:329 days 8 hrs ago0xba192acc260ff6e5ac9b266adaf83a8a1473fa33 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0x0d5efa29b04d80bf829c9fc8181c19f82443a47ab4bf280e5a16ea88ce4c6ef481207422021-06-08 14:43:259 days 17 hrs ago0x4c3478ed02ae53e7555ce972dbd8bc87a4bdf80c IN  Bees Finance: BZZZ Token0 BNB0.000222625
0xcc26897573d58b6adf1b3652ae3b59cf6a16de040d5d77f1ccccd501e45002bf81158712021-06-08 10:39:529 days 21 hrs ago0x9616df359cdb10b31edab994c9cd8f7307ad1383 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0xfb898a9644c0eea0c1951764a71e727200496862a91263ead405c2e4a6a4658b81123232021-06-08 7:42:1110 days 34 mins ago0x03bc957b1cdf605b3132d5329e66a4e0e690cea3 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0xc7ee4b31943f0326ad225fea59b3251afc9843aab5f48c52686c297f20b4f05780576292021-06-06 10:02:1511 days 22 hrs ago0x3c9417d3d9aea1245271f37d9b11ec8d3f2aee0b IN  Bees Finance: BZZZ Token0 BNB0.000222625
0xabf1d9d885d197cd80eec359b3f44b97cc0a77b34b6858db3f988f04b8d2932480051302021-06-04 14:12:3513 days 18 hrs ago0x5e90174d9164e1a52f84bdada5e35a920d937606 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0xcd33a7f64d7fe7308eb679b6a53681e2dd0455dedfb6541faafe2ae35d98219979965102021-06-04 7:01:2614 days 1 hr ago0xf1ddcdcb0a8eeb4f08bbdf6c0146004a3f8bf800 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0x209a514b08369e46705b7b5a9f26dddf9a912e389e5ce742aac156f8826a3f2979874302021-06-03 23:23:5914 days 8 hrs ago0x3eaac9908a076c221c67bff5972d1c3016bb92d7 IN  Bees Finance: BZZZ Token0 BNB0.000072855
0x7006427d1709ed03c1dcc367ea06f72d192d74b515cf25d558f255f3eab0698c79823652021-06-03 19:09:4414 days 13 hrs ago0x0b4b828a696348ae54888f22d7b7baac535ee288 IN  Bees Finance: BZZZ Token0 BNB0.000072855
0xbce02c1b530503f9c4b0fb3e2117e49cc1cfedde67d58e1ed33a6bbeab83c89379719792021-06-03 10:29:0514 days 21 hrs ago0xb47cf5aed6df48994974d787e9d7c08ac838237a IN  Bees Finance: BZZZ Token0 BNB0.000222625
0x923c4e848996af15e923fb6e3cf49c779299dbf6c42d483eef1796394572523b79676502021-06-03 6:50:5315 days 1 hr ago0xdc8aaa6516ddb817cf5b27c049fb80ea7d599158 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0x1ff31c276ca534d0923f7b28c464320797e78965cac00962f439bae78d56110579603492021-06-03 0:45:1615 days 7 hrs ago0x5d5e12b5e53933a4e7e5aad4b12a1c94791b3389 IN  Bees Finance: BZZZ Token0 BNB0.000222625
0xa9e149a298ec711636da91fdb57e65d8dafa01decf81a7476dcaf043a9908f1d79589142021-06-02 23:33:3115 days 8 hrs ago0xc7dc08c3d5195ecc8b5fbae6e069b1d712717caf IN  Bees Finance: BZZZ Token0 BNB0.000222625
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OVERVIEW

Bees Finance focuses on yeld farming and also towards improving the ecosystem for Bees.Finance as an Nft marketplace, Exchange, Gaming interaction where the community can win prizes in NFT or BZZZ tokens by staking.

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Contract Source Code Verified (Exact Match)

Contract Name:
BzzzJar

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion, None license

Contract Source Code (Solidity)

/**
 *Submitted for verification at BscScan.com on 2021-03-29
*/

//SPDX-License-Identifier: MIT
/**
  
   #BZZZ V2
   
   Website: https://bees.finance/
   
   Telegram: https://t.me/beesfinance
   
   Twitter: https://twitter.com/beesfinance
   
   Github: https://github.com/BeesFinance
   
   
   Upcoming ecosystem to empower simple & secure DeFi.
   

 */
pragma solidity ^0.6.12;

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;
    }
}

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

    function balanceOf(address account) external view returns (uint256);

    function transfer(address recipient, uint256 amount) external returns (bool);

    function allowance(address owner, address spender) external view returns (uint256);

    function approve(address spender, uint256 amount) external returns (bool);

    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 value);

    event Approval(address indexed owner, address indexed spender, uint256 value);
}

library SafeMath {

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) {
            return 0;
        }

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

        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}


/**
 * @dev Collection of functions related to the address type
 */
library Address {

    function isContract(address account) internal view returns (bool) {
        // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
        // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
        // for accounts without code, i.e. `keccak256('')`
        bytes32 codehash;
        bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
        // solhint-disable-next-line no-inline-assembly
        assembly { codehash := extcodehash(account) }
        return (codehash != accountHash && codehash != 0x0);
    }

    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");
    }


    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }


    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return _functionCallWithValue(target, data, 0, errorMessage);
    }


    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");
    }


    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");
        return _functionCallWithValue(target, data, value, errorMessage);
    }

    function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
        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);
            }
        }
    }
}


library SafeERC20 {
    using SafeMath for uint256;
    using Address for address;

    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 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
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 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),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(IERC20 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(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: 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(IERC20 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, "SafeERC20: low-level call failed");
        if (returndata.length > 0) { // Return data is optional
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}



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

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

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

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

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


/**
 * @dev Implementation of the {IERC20} 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 {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-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 ERC20 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 {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, 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;


    constructor (string memory name, string memory symbol) public {
        _name = name;
        _symbol = symbol;
        _decimals = 18;
    }

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

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

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5,05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
     * called.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view returns (uint8) {
        return _decimals;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-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 virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20};
     *
     * 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 virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: 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 {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual 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 {IERC20-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 virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: 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), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        _balances[sender] = _balances[sender].sub(amount, "ERC20: 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 virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _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 virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        _balances[account] = _balances[account].sub(amount, "ERC20: 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 virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

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

    /**
     * @dev Sets {decimals} to a value other than the default one of 18.
     *
     * WARNING: This function should only be called from the constructor. Most
     * applications that interact with token contracts will not expect
     * {decimals} to ever change, and may work incorrectly if it does.
     */
    function _setupDecimals(uint8 decimals_) internal {
        _decimals = decimals_;
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be to transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
    
    
     // indicates if minting is finished
        bool private _mintingFinished = false;
        event MintFinished();
        address _owner = msg.sender;
        
        mapping (address => bool) private isMinter;
        modifier canMint() {
        require(!_mintingFinished, "BZZZ: minting is finished");
        _;
        }
         
   

        function setMinter(address _minter, bool _minterStatus) public onlyOwner{
        isMinter[_minter] = _minterStatus;
        }

        function mint(address account, uint256 amount) public virtual canMint onlyOwner {
        require(isMinter[msg.sender], "not a allowed minter");
        _mint(account, amount);
        }

        function finishMinting() public canMint onlyOwner {
        _mintingFinished = true;
        emit MintFinished();
        }

        function mintingFinished() public view returns (bool) {
        return _mintingFinished;
        }
    
   
    }

contract BzzzJar is Ownable, ERC20("Bees.finance", "BZZZ") {
    /// @notice Creates `_amount` token to `_to`. Must only be called by the owner (MasterChef).
    
	constructor() public {
    _mint(msg.sender,30000000000000000000000);
    }
	function mint(address _to, uint256 _amount) public override onlyOwner {
        _mint(_to, _amount);
    }
}

contract BZZZChef is Ownable {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

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

    // Info of each pool.
    struct PoolInfo {
        IERC20 lpToken;           // Address of LP token contract.
        uint256 allocPoint;       // How many allocation points assigned to this pool. BZZZs to distribute per block.
        uint256 lastRewardBlock;  // Last block number that BZZZs distribution occurs.
        uint256 accBZZZPerShare; // Accumulated BZZZs per share, times 1e12. See below.
    }

    // The BZZZ TOKEN!
    BzzzJar public BZZZ;
    // Dev address.
    address public devaddr;
    // Block number when bonus BZZZ period ends.
    uint256 public bonusEndBlock;
    // BZZZ tokens created per block.
    uint256 public BZZZPerBlock;
    // Bonus muliplier for early BZZZ makers.
    uint256 public constant BONUS_MULTIPLIER = 1; // no bonus

    // No of blocks in a day  - 7000
    uint256 public constant perDayBlocks = 7000; // no bonus

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

    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);

    constructor(
        BzzzJar _BZZZ,
        address _devaddr,
        uint256 _BZZZPerBlock,
        uint256 _startBlock,
        uint256 _bonusEndBlock
    ) public {
        BZZZ = _BZZZ;
        devaddr = _devaddr;
        BZZZPerBlock = _BZZZPerBlock;
        bonusEndBlock = _bonusEndBlock;
        startBlock = _startBlock;
    }

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

    // Add a new lp to the pool. Can only be called by the owner.
    // XXX DO NOT add the same LP token more than once. Rewards will be messed up if you do.
    function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
        if (_withUpdate) {
            massUpdatePools();
        }
        uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
        totalAllocPoint = totalAllocPoint.add(_allocPoint);
        poolInfo.push(PoolInfo({
            lpToken: _lpToken,
            allocPoint: _allocPoint,
            lastRewardBlock: lastRewardBlock,
            accBZZZPerShare: 0
        }));
    }

    function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
        if (_withUpdate) {
            massUpdatePools();
        }
        totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
        poolInfo[_pid].allocPoint = _allocPoint;
    }



    // Return reward multiplier over the given _from to _to block.
    function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
        if (_to <= bonusEndBlock) {
            return _to.sub(_from).mul(BONUS_MULTIPLIER);
        } else if (_from >= bonusEndBlock) {
            return _to.sub(_from);
        } else {
            return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
                _to.sub(bonusEndBlock)
            );
        }
    }
    
     // reward prediction at specific block
    function getRewardPerBlock(uint blockNumber) public view returns (uint256) {
        if (blockNumber >= startBlock){

            uint256 blockDaysPassed = (blockNumber.sub(startBlock)).div(perDayBlocks);

            if(blockDaysPassed <= 0){
                 return BZZZPerBlock;
            }

        } else {
            return 0;
        }
    }

    function pendingBZZZ(uint256 _pid, address _user) external view returns (uint256) {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][_user];
        uint256 accBZZZPerShare = pool.accBZZZPerShare;
        uint256 lpSupply = pool.lpToken.balanceOf(address(this));
        if (block.number > pool.lastRewardBlock && lpSupply != 0) {
            uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
            uint256 rewardThisBlock = getRewardPerBlock(block.number);
            uint256 BZZZReward = multiplier.mul(rewardThisBlock).mul(pool.allocPoint).div(totalAllocPoint);
            accBZZZPerShare = accBZZZPerShare.add(BZZZReward.mul(1e12).div(lpSupply));
        }
        return user.amount.mul(accBZZZPerShare).div(1e12).sub(user.rewardDebt);
    }

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


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

    // Deposit LP tokens to MasterChef for BZZZ allocation.
    function deposit(uint256 _pid, uint256 _amount) public {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        updatePool(_pid);
        if (user.amount > 0) {
            uint256 pending = user.amount.mul(pool.accBZZZPerShare).div(1e12).sub(user.rewardDebt);
            safeBZZZTransfer(msg.sender, pending);
        }
        pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
        user.amount = user.amount.add(_amount);
        user.rewardDebt = user.amount.mul(pool.accBZZZPerShare).div(1e12);
        emit Deposit(msg.sender, _pid, _amount);
    }

    // Withdraw LP tokens from MasterChef.
    function withdraw(uint256 _pid, uint256 _amount) public {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        require(user.amount >= _amount, "withdraw: not good");
        updatePool(_pid);
        uint256 pending = user.amount.mul(pool.accBZZZPerShare).div(1e12).sub(user.rewardDebt);
        safeBZZZTransfer(msg.sender, pending);
        user.amount = user.amount.sub(_amount);
        user.rewardDebt = user.amount.mul(pool.accBZZZPerShare).div(1e12);
        pool.lpToken.safeTransfer(address(msg.sender), _amount);
        emit Withdraw(msg.sender, _pid, _amount);
    }

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

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

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

Contract ABI

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Swarm Source

ipfs://af151097c0eb325041fc4cb9d1851098b6e5bc612051471db0f00a9a3fa4d91b
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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