// Vulnerability label: clean
pragma solidity ^0.4.18;
   
    
   library SafeMath {
       function add(uint a, uint b) internal pure returns (uint c) {
           c = a + b;
           require(c >= a);
       }
       function sub(uint a, uint b) internal pure returns (uint c) {
           require(b <= a);
           c = a - b;
       }
       function mul(uint a, uint b) internal pure returns (uint c) {
           c = a * b;
           require(a == 0 || c / a == b);
       }
       function div(uint a, uint b) internal pure returns (uint c) {
           require(b > 0);
           c = a / b;
       }
   }      
 
   contract ERC20Interface {
       function totalSupply() public constant returns (uint);
       function balanceOf(address tokenOwner) public constant returns (uint balance);
       function allowance(address tokenOwner, address spender) public constant returns (uint remaining);
       function transfer(address to, uint tokens) public returns (bool success);
       function approve(address spender, uint tokens) public returns (bool success);
       function transferFrom(address from, address to, uint tokens) public returns (bool success);
   
       event Transfer(address indexed from, address indexed to, uint tokens);
       event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
   }
  
   contract ApproveAndCallFallBack {
       function receiveApproval(address from, uint256 tokens, address token, bytes data) public;
   }
   
     
   contract Owned {
       address public owner;
       address public newOwner;
   
       event OwnershipTransferred(address indexed _from, address indexed _to);
   
       function Owned() public {
           owner = msg.sender;
       }
   
       modifier onlyOwner {
           require(msg.sender == owner);
           _;
       }
   
       function transferOwnership(address _newOwner) public onlyOwner {
           newOwner = _newOwner;
       }
       function acceptOwnership() public {
           require(msg.sender == newOwner);
           OwnershipTransferred(owner, newOwner);
           owner = newOwner;
           newOwner = address(0);
       }
   }
   
  
  contract ArinToken is ERC20Interface, Owned {
      using SafeMath for uint;
  
      string public symbol;
      string public  name;
      uint8 public decimals;
      uint public _totalSupply;
  
      mapping(address => uint) balances;
      mapping(address => mapping(address => uint)) allowed; 
 
      // Constructor
 
      function ArinToken() public {
         symbol = "ARIN";
          name = "ARIN";
          decimals = 18;
          _totalSupply = 800000000000000000000000000; 
          balances[owner] = _totalSupply;
          Transfer(address(0), owner, _totalSupply);
      }  
  
      // ------------------------------------------------------------------------
      // Total supply
      // ------------------------------------------------------------------------
      function totalSupply() public constant returns (uint) {
          return _totalSupply  - balances[address(0)];
      } 

 
      function balanceOf(address tokenOwner) public constant returns (uint balance) {
          return balances[tokenOwner];
      }
  
     function transfer(address to, uint tokens) public returns (bool success) {
          balances[msg.sender] = balances[msg.sender].sub(tokens);
          balances[to] = balances[to].add(tokens);
          Transfer(msg.sender, to, tokens);
          return true;
      } 
 

      function approve(address spender, uint tokens) public returns (bool success) {
          allowed[msg.sender][spender] = tokens;
          Approval(msg.sender, spender, tokens);
          return true;
      }
  

      function transferFrom(address from, address to, uint tokens) public returns (bool success) {
          balances[from] = balances[from].sub(tokens);
          allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
          balances[to] = balances[to].add(tokens);
          Transfer(from, to, tokens);
          return true;
      }  
 
      function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
          return allowed[tokenOwner][spender];
      }  
 
      function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
          allowed[msg.sender][spender] = tokens;
          Approval(msg.sender, spender, tokens);
          ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
          return true;
      }  
 
      function () public payable {
          revert();
      }  
 
      function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
          return ERC20Interface(tokenAddress).transfer(owner, tokens);
      }
  }