trojan_contract.sol

contract admin {
     // VARIABLES
     struct user {
          address addr;
          string name;  // '$uPeR_p0wner_1999'
          string desc;   // 'CEO & CTO'
     }

     user owner;
     mapping (address => user) adminInfo;
     mapping (address => bool) isAdmin;
     
     function admin (string _name, string _desc) {
          owner = user({
               addr : msg.sender, // msg - дефолтная переменная с информацией о пользователе
               name : _name,       // вызвавшем контракт. msg.sender - его адрес
               desc : _desc           // msg.value - сумма в wei, переданная контракту и т.д.
          });
          
          isAdmin[msg.sender] = true;
          adminInfo[msg.sender] = owner;
     }

     // EVENTS
     event adminAdded(address _address, string _name, string _desc);
     event adminRemoved(address _address, string _name, string _desc);
     event moneySend(address _address, uint _amount);

     // FUNCTIONS
     function addAdmin (address _address, string _name, string _desc) {
          if (owner.addr != msg.sender || isAdmin[_address]) throw;    // Only owner can do this!

          isAdmin[_address] = true;
          adminInfo[_address] = user({addr : _address, name : _name, desc : _desc});
          adminAdded(_address, _name, _desc); // Call event
     }

     function removeAdmin (address _address) {
          if (owner.addr != msg.sender || !isAdmin[_address]) throw;    // Only owner can do this!

          isAdmin[_address] = false;
          adminRemoved(_address, adminInfo[_address].name, adminInfo[_address].desc); // Call event
          delete adminInfo[_address];
     }

     function getMoneyOut(address _receiver, uint _amount) {
          if (owner.addr != msg.sender || _amount <= 0) throw;
          _receiver.send(_amount);
          moneySend(_receiver, _amount);
     }

     function killContract () {
          if (owner.addr != msg.sender) throw;
          selfdestruct(owner.addr); // Все средства на счету контракта будут переведены на адрес владельца
     }
}

contract shop is admin {
    // VARIABLES
    uint[] orders;
    struct Key {
        string value;
        address author;
    }
    mapping (uint => string) keys;
    
    // EVENTS
    event keyAdded(string _ID, string _name, string _desc);
    
    // FUNCTIONS
    function buyKey(uint _ID) {
        if (msg.value < 15000000000000000000) throw;
        orders.push(_ID);
    }
    
    function getKeyByID(uint _ID) returns (string) {
        if (msg.value < 1000000000000000000) throw;
        return keys[_ID];
    }
    
    function addKey(uint _ID, string _key) {
        if (!isAdmin[msg.sender]) throw;

        keys[_ID] = Key({});
    }
}