Biswap

1contract MasterChef is Ownable {
2    using SafeMath for uint256;
3    using SafeBEP20 for IBEP20;
4    // Info of each user.
5    struct UserInfo {
6        uint256 amount; // How many LP tokens the user has provided.
7        uint256 rewardDebt; // Reward debt. See explanation below.
8        //
9        // We do some fancy math here. Basically, any point in time, the amount of BSWs
10        // entitled to a user but is pending to be distributed is:
11        //
12        //   pending reward = (user.amount * pool.accBSWPerShare) - user.rewardDebt
13        //
14        // Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
15        //   1. The pool's `accBSWPerShare` (and `lastRewardBlock`) gets updated.
16        //   2. User receives the pending reward sent to his/her address.
17        //   3. User's `amount` gets updated.
18        //   4. User's `rewardDebt` gets updated.
19    }
20    // Info of each pool.
21    struct PoolInfo {
22        IBEP20 lpToken; // Address of LP token contract.
23        uint256 allocPoint; // How many allocation points assigned to this pool. BSWs to distribute per block.
24        uint256 lastRewardBlock; // Last block number that BSWs distribution occurs.
25        uint256 accBSWPerShare; // Accumulated BSWs per share, times 1e12. See below.
26    }
27    // The BSW TOKEN!
28    BSWToken public BSW;
29    //Pools, Farms, Dev, Refs percent decimals
30    uint256 public percentDec = 1000000;
31    //Pools and Farms percent from token per block
32    uint256 public stakingPercent;
33    //Developers percent from token per block
34    uint256 public devPercent;
35    //Referrals percent from token per block
36    uint256 public refPercent;
37    //Safu fund percent from token per block
38    uint256 public safuPercent;
39    // Dev address.
40    address public devaddr;
41    // Safu fund.
42    address public safuaddr;
43    // Refferals commision address.
44    address public refAddr;
45    // Last block then develeper withdraw dev and ref fee
46    uint256 public lastBlockDevWithdraw;
47    // BSW tokens created per block.
48    uint256 public BSWPerBlock;
49    // Bonus muliplier for early BSW makers.
50    uint256 public BONUS_MULTIPLIER = 1;
51    // The migrator contract. It has a lot of power. Can only be set through governance (owner).
52    IMigratorChef public migrator;
53    // Info of each pool.
54    PoolInfo[] public poolInfo;
55    // Info of each user that stakes LP tokens.
56    mapping(uint256 => mapping(address => UserInfo)) public userInfo;
57    // Total allocation poitns. Must be the sum of all allocation points in all pools.
58    uint256 public totalAllocPoint = 0;
59    // The block number when BSW mining starts.
60    uint256 public startBlock;
61    // Deposited amount BSW in MasterChef
62    uint256 public depositedBsw;
63
64    event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
65    event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
66    event EmergencyWithdraw(
67        address indexed user,
68        uint256 indexed pid,
69        uint256 amount
70    );
71
72    constructor(
73        BSWToken _BSW,
74        address _devaddr,
75        address _refAddr,
76        address _safuaddr,
77        uint256 _BSWPerBlock,
78        uint256 _startBlock,
79        uint256 _stakingPercent,
80        uint256 _devPercent,
81        uint256 _refPercent,
82        uint256 _safuPercent
83    ) public {
84        BSW = _BSW;
85        devaddr = _devaddr;
86        refAddr = _refAddr;
87        safuaddr = _safuaddr;
88        BSWPerBlock = _BSWPerBlock;
89        startBlock = _startBlock;
90        stakingPercent = _stakingPercent;
91        devPercent = _devPercent;
92        refPercent = _refPercent;
93        safuPercent = _safuPercent;
94        lastBlockDevWithdraw = _startBlock;
95        
96        
97        // staking pool
98        poolInfo.push(PoolInfo({
99            lpToken: _BSW,
100            allocPoint: 1000,
101            lastRewardBlock: startBlock,
102            accBSWPerShare: 0
103        }));
104
105        totalAllocPoint = 1000;
106
107    }
108
109    function updateMultiplier(uint256 multiplierNumber) public onlyOwner {
110        BONUS_MULTIPLIER = multiplierNumber;
111    }
112