//SPDX-License-Identifier: MIT

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*/

pragma solidity 0.5.8;

interface IERC20 {

  function totalSupply() external view returns (uint256);

  function decimals() external view returns (uint8);

  function symbol() external view returns (string memory);

 
  function name() external view returns (string memory);


  function getOwner() external view returns (address);

 
  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);
}

contract Context {
 
  constructor () internal { }

  function _msgSender() internal view returns (address payable) {
    return msg.sender;
  }

  function _msgData() internal view returns (bytes memory) {
    this; 
    return msg.data;
  }
}

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) {
  
    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) {
    // Solidity only automatically asserts when dividing by 0
    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;
  }
}

contract Ownable is Context {
  address private _owner;

  event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

  constructor () internal {
    address msgSender = _msgSender();
    _owner = msgSender;
    emit OwnershipTransferred(address(0), msgSender);
  }

 
  function owner() public view returns (address) {
    return _owner;
  }


  modifier onlyOwner() {
    require(_owner == _msgSender(), "Ownable: caller is not the owner");
    _;
  }

}

contract MoveBankToken is Context, IERC20, Ownable {
  using SafeMath for uint256;

  mapping (address => uint256) private _balances;

  mapping (address => mapping (address => uint256)) private _allowances;

  uint256 private _totalSupply;
  uint8 private _decimals;
  string private _symbol;
  string private _name;

  constructor() public {
    _name = "MoveBank Token";
    _symbol = "MVB";
    _decimals = 18;
    _totalSupply = 1000000000000;

    emit Transfer(address(0), msg.sender, _totalSupply);
  }

  function getOwner() external view returns (address) {
    return owner();
  }

 
  function decimals() external view returns (uint8) {
    return _decimals;
  }


  function symbol() external view returns (string memory) {
    return _symbol;
  }

 
  function name() external view returns (string memory) {
    return _name;
  }

 
  function totalSupply() external view returns (uint256) {
    return _totalSupply;
  }

 
  function balanceOf(address account) external view returns (uint256) {
    return _balances[account];
  }

 
  function transfer(address recipient, uint256 amount) external returns (bool) {
    _transfer(_msgSender(), recipient, amount);
    return true;
  }


  function allowance(address owner, address spender) external view returns (uint256) {
    return _allowances[owner][spender];
  }

 
  function approve(address spender, uint256 amount) external returns (bool) {
    _approve(_msgSender(), spender, amount);
    return true;
  }

 
  function transferFrom(address sender, address recipient, uint256 amount) external returns (bool) {
    _transfer(sender, recipient, amount);
    return true;
  }

 
  function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
    _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
    return true;
  }

 
  function decreaseAllowance(address spender, uint256 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, uint256 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 _burn(address account, uint256 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, uint256 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);
  }

  function _burnFrom(address account, uint256 amount) internal {
    _burn(account, amount);
    _approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
  }

  function mint(address _to, uint256 amount) public onlyOwner returns (bool) {
        _mint(_to, amount);
        return true;
    }

  function _mint(address _to, uint256 _amount) internal {
        require(_to != address(0), 'mint to the zero address');

        _totalSupply = _totalSupply.add(_amount);
        _balances[_to] = _balances[_to].add(_amount);
        emit Transfer(address(0), _to, _amount);

    }
}