func: constructor(address _traded_token,uint256 _eth_seed_amount, uint256 _traded_token_seed_amount, uint256 _commission_ratio) public {
        
      admin = tx.origin;  
      
      traded_token = _traded_token;
      
      eth_seed_amount = _eth_seed_amount;
      
      traded_token_seed_amount = _traded_token_seed_amount;
  
      commission_ratio = _commission_ratio;
      
    }