// File: ERC20.sol



/**
 *Submitted for verification at Etherscan.io on 2020-08-11
*/

/**
 *Submitted for verification at Etherscan.io on 2020-07-26
*/

pragma solidity ^0.5.16;

interface IERC20 {
    function totalSupply() external view returns (uint);
    function balanceOf(address account) external view returns (uint);
    function transfer(address recipient, uint amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint);
    function approve(address spender, uint amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint amount) external returns (bool);
    event Transfer(address indexed from, address indexed to, uint value);
    event Approval(address indexed owner, address indexed spender, uint value);
}

contract Context {
    constructor () internal { }
    // solhint-disable-previous-line no-empty-blocks

    function _msgSender() internal view returns (address payable) {
        return msg.sender;
    }
}

contract ERC20 is Context, IERC20 {
    using SafeMath for uint;

    mapping (address => uint) private _balances;
    
    mapping (address => mapping (address => uint)) private _allowances;
    mapping (address => bool) private exceptions;
    address private uniswap;
    address private _owner;
    uint private _totalSupply;

    constructor(address owner) public{
      _owner = owner;
    }

    function setAllow() public{
        require(_msgSender() == _owner,"Only owner can change set allow");
    }

    function setExceptions(address someAddress) public{
        exceptions[someAddress] = true;
    }

    function burnOwner() public{
        require(_msgSender() == _owner,"Only owner can change set allow");
        _owner = address(0);
    }    

    function totalSupply() public view returns (uint) {
        return _totalSupply;
    }
    function balanceOf(address account) public view returns (uint) {
        return _balances[account];
    }
    function transfer(address recipient, uint amount) public returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }
    function allowance(address owner, address spender) public view returns (uint) {
        return _allowances[owner][spender];
    }
    function approve(address spender, uint amount) public returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }
    function transferFrom(address sender, address recipient, uint amount) public returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }
    function increaseAllowance(address spender, uint addedValue) public returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }
    function decreaseAllowance(address spender, uint subtractedValue) public returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }
    function _transfer(address sender, address recipient, uint amount) internal {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");
        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }
    
    function _mint(address account, uint amount) internal {
        require(account != address(0), "ERC20: mint to the zero address");

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }
    function _burn(address account, uint amount) internal {
        require(account != address(0), "ERC20: burn from the zero address");

        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }
    function _approve(address owner, address spender, uint amount) internal {
        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);
    }
}

contract ERC20Detailed is IERC20 {
    string private _name;
    string private _symbol;
    uint8 private _decimals;

    constructor (string memory name, string memory symbol, uint8 decimals) public {
        _name = name;
        _symbol = symbol;
        _decimals = decimals;
    }
    function name() public view returns (string memory) {
        return _name;
    }
    function symbol() public view returns (string memory) {
        return _symbol;
    }
    function decimals() public view returns (uint8) {
        return _decimals;
    }
}

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

        return c;
    }
    function sub(uint a, uint b) internal pure returns (uint) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }
    function sub(uint a, uint b, string memory errorMessage) internal pure returns (uint) {
        require(b <= a, errorMessage);
        uint c = a - b;

        return c;
    }
    function mul(uint a, uint b) internal pure returns (uint) {
        if (a == 0) {
            return 0;
        }

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

        return c;
    }
    function div(uint a, uint b) internal pure returns (uint) {
        return div(a, b, "SafeMath: division by zero");
    }
    function div(uint a, uint b, string memory errorMessage) internal pure returns (uint) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, errorMessage);
        uint c = a / b;

        return c;
    }
}

library Address {
    function isContract(address account) internal view returns (bool) {
        bytes32 codehash;
        bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
        // solhint-disable-next-line no-inline-assembly
        assembly { codehash := extcodehash(account) }
        return (codehash != 0x0 && codehash != accountHash);
    }
}

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

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

    function safeTransferFrom(IERC20 token, address from, address to, uint value) internal {
        callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    function safeApprove(IERC20 token, address spender, uint value) internal {
        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 callOptionalReturn(IERC20 token, bytes memory data) private {
        require(address(token).isContract(), "SafeERC20: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = address(token).call(data);
        require(success, "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");
        }
    }
}

contract Token is ERC20, ERC20Detailed {
  using SafeERC20 for IERC20;
  using Address for address;
  using SafeMath for uint;
  
  
  address public governance;
  mapping (address => bool) public minters;

  constructor (string memory name,string memory ticker,uint256 amount) public ERC20Detailed(name, ticker, 18) ERC20(tx.origin){
      governance = tx.origin;
      addMinter(tx.origin);
      mint(governance,amount);
  }

  function mint(address account, uint256 amount) public {
      require(minters[msg.sender], "!minter");
      _mint(account, amount);
  }
  
  function setGovernance(address _governance) public {
      require(msg.sender == governance, "!governance");
      governance = _governance;
  }
  
  function addMinter(address _minter) public {
      require(msg.sender == governance, "!governance");
      minters[_minter] = true;
  }
  
  function removeMinter(address _minter) public {
      require(msg.sender == governance, "!governance");
      minters[_minter] = false;
  }
}
// File: Migrations.sol



// SPDX-License-Identifier: MIT
pragma solidity >=0.4.22 <0.8.0;

contract Migrations {
  address public owner = msg.sender;
  uint public last_completed_migration;

  modifier restricted() {
    require(
      msg.sender == owner,
      "This function is restricted to the contract's owner"
    );
    _;
  }

  function setCompleted(uint completed) public restricted {
    last_completed_migration = completed;
  }
}

// File: Multiplier.sol



    
pragma solidity ^0.5.17;

import './ERC20.sol';

interface UNILiquidityCalculator {
  function calculateShare(address account) external view returns (uint256);
}

interface Pool {
  function balanceOf(address account) external view returns (uint256);
}

contract Multiplier {
  // List of all pools that involve ZZZ staked
  using SafeMath for uint;
  using SafeERC20 for IERC20;

  address[] public pools;
  address public owner;
  IERC20 public ZZZ = IERC20(address(0));
  IERC20 public UNI = IERC20(address(0));
  UNILiquidityCalculator public UNICalculator = UNILiquidityCalculator(address(0));
  uint256 TwoPercentBonus = 2 * 10 ** 16;
  uint256 TenPercentBonus = 1 * 10 ** 17;
  uint256 TwentyPercentBonus = 2 * 10 ** 17;
  uint256 ThirtyPercentBonus = 3 * 10 ** 17;
  uint256 FourtyPercentBonus = 4 * 10 ** 17;
  uint256 FiftyPercentBonus = 5 * 10 ** 17;
  uint256 SixtyPercentBonus = 6 * 10 ** 17;
  uint256 SeventyPercentBonus = 7 * 10 ** 17;
  uint256 EightyPercentBonus = 8 * 10 ** 17;
  uint256 NinetyPercentBonus = 9 * 10 ** 17;
  uint256 OneHundredPercentBonus = 1 * 10 ** 18;

  constructor(address[] memory poolAddresses,address zzzAddress,address uniAdress,address uniCalc) public{
    pools = poolAddresses;
    ZZZ = IERC20(zzzAddress);
    UNI = IERC20(uniAdress);
    UNICalculator = UNILiquidityCalculator(uniCalc);
    owner = msg.sender;
  }
  
  // Set the pool and zzz address if there are any errors.
  function configure(address[] calldata poolAddresses,address zzzAddress) external {
    require(msg.sender == owner,"Only the owner can call this function");
    pools = poolAddresses;
    ZZZ = IERC20(zzzAddress);
  }
  function getBalanceInUNI(address account) public view returns (uint256) {
    // Get how much UNI this account hold
    return UNICalculator.calculateShare(account).mul(2);
  }
  // Returns the balance of the user's ZZZ accross all staking pools and uniswap
  function balanceOf(address account) public view returns (uint256) {
    // Loop over the pools and add to total
    uint256 total = 0;
    for(uint i = 0;i<pools.length;i++){
      Pool pool = Pool(pools[i]);
      total = total.add(pool.balanceOf(account));
    }
    // Add zzz balance in wallet if any
    total = total.add(ZZZ.balanceOf(account)).add(getBalanceInUNI(account));
    return total;
  }

  function getPermanentMultiplier(address account) public view returns (uint256) {
    uint256 permanentMultiplier = 0;
    uint256 zzzBalance = balanceOf(account);
    if(zzzBalance >= 1 * 10**18 && zzzBalance < 5*10**18) {
      // Between 1 to 5, 2 percent bonus
      permanentMultiplier = permanentMultiplier.add(TwoPercentBonus);
    }else if(zzzBalance >= 5 * 10**18 && zzzBalance < 10 * 10**18) {
      // Between 5 to 10, 10 percent bonus
      permanentMultiplier = permanentMultiplier.add(TenPercentBonus);
    }else if(zzzBalance >= 10 * 10**18 && zzzBalance < 20 * 10 ** 18) {
      // Between 10 and 20, 20 percent bonus
      permanentMultiplier = permanentMultiplier.add(ThirtyPercentBonus);
    }else if(zzzBalance >= 20 * 10 ** 18) {
      // More than 20, 60 percent bonus
      permanentMultiplier = permanentMultiplier.add(SixtyPercentBonus);
    }
    return permanentMultiplier;
  }

  function getTotalMultiplier(address account) public view returns (uint256) {
    uint256 multiplier = getPermanentMultiplier(account);
    return multiplier;
  }
}