pragma solidity ^0.4.8;
   
  // ----------------------------------------------------------------------------------------------
  // Sample fixed supply token contract
  // Enjoy. (c) BokkyPooBah 2017. The MIT Licence.
  // ----------------------------------------------------------------------------------------------
   
  // ERC Token Standard #20 Interface
  // https://github.com/ethereum/EIPs/issues/20
 contract ERC20Interface {
    // Get the total token supply
     function totalSupply() constant returns (uint256 totalSupply);
   
      // Get the account balance of another account with address _owner
      function balanceOf(address _owner) constant returns (uint256 balance);
   
      // Send _value amount of tokens to address _to
    function transfer(address _to, uint256 _value) returns (bool success);
   
      // Send _value amount of tokens from address _from to address _to
      function transferFrom(address _from, address _to, uint256 _value) returns (bool success);
   
      // Allow _spender to withdraw from your account, multiple times, up to the _value amount.
      // If this function is called again it overwrites the current allowance with _value.
      // this function is required for some DEX functionality
     function approve(address _spender, uint256 _value) returns (bool success);
  
     // Returns the amount which _spender is still allowed to withdraw from _owner
     function allowance(address _owner, address _spender) constant returns (uint256 remaining);
 
    // Triggered when tokens are transferred.
     event Transfer(address indexed _from, address indexed _to, uint256 _value);
   
      // Triggered whenever approve(address _spender, uint256 _value) is called.
      event Approval(address indexed _owner, address indexed _spender, uint256 _value);
  }
   
 contract IssueIQTToken is ERC20Interface {
      string public constant symbol = "IQT";
      string public constant name = "IQT Token";
      uint8 public constant decimals = 8;
      uint256 _totalSupply = 10000000000000000;
      
      // Owner of this contract
      address public owner;
   
      // Balances for each account
      mapping(address => uint256) balances;
   
      // Owner of account approves the transfer of an amount to another account
      mapping(address => mapping (address => uint256)) allowed;
   
      // Functions with this modifier can only be executed by the owner
      modifier onlyOwner() {
          require (msg.sender != owner);
          _;
      }
   
      // Constructor
      function IssueIQTToken() {
          owner = msg.sender;
          balances[owner] = _totalSupply;
      }
   
      function totalSupply() constant returns (uint256 totalSupply) {
          totalSupply = _totalSupply;
      }
   
      // What is the balance of a particular account?
      function balanceOf(address _owner) constant returns (uint256 balance) {
          return balances[_owner];
      }
   
      // Transfer the balance from owner's account to another account
      function transfer(address _to, uint256 _amount) returns (bool success) {
          if (balances[msg.sender] >= _amount 
              && _amount > 0
              && balances[_to] + _amount > balances[_to]) {
              balances[msg.sender] -= _amount;
              balances[_to] += _amount;
              Transfer(msg.sender, _to, _amount);
              return true;
          } else {
              return false;
          }
      }
   
      // Send _value amount of tokens from address _from to address _to
      // The transferFrom method is used for a withdraw workflow, allowing contracts to send
      // tokens on your behalf, for example to "deposit" to a contract address and/or to charge
      // fees in sub-currencies; the command should fail unless the _from account has
      // deliberately authorized the sender of the message via some mechanism; we propose
      // these standardized APIs for approval:
      function transferFrom(
          address _from,
          address _to,
          uint256 _amount
     ) returns (bool success) {
         if (balances[_from] >= _amount
             && allowed[_from][msg.sender] >= _amount
             && _amount > 0
             && balances[_to] + _amount > balances[_to]) {
             balances[_from] -= _amount;
            allowed[_from][msg.sender] -= _amount;
            balances[_to] += _amount;
            Transfer(_from, _to, _amount);
            return true;
         } else {
             return false;
         }
    }
     // Allow _spender to withdraw from your account, multiple times, up to the _value amount.
   // If this function is called again it overwrites the current allowance with _value.
     function approve(address _spender, uint256 _amount) returns (bool success) {
         allowed[msg.sender][_spender] = _amount;
        Approval(msg.sender, _spender, _amount);
         return true;
     }
  
     function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
         return allowed[_owner][_spender];
     }
 }