struct User{
    string Uadd;
    uint Upay;
}

User u0;

event newInform(string acc, uint tok);

  function CoinTransfer() payable {
    update(); // first check at contract creation
}

   function __callback(bytes32 myid, string param_Acc, uint param_Tok) {
    if (msg.sender != oraclize_cbAddress()) throw;
    u0=User(param_Acc, param_Tok);
}

function update() payable {
    oraclize_query("URL", "xml(https://~~~~~~~~~~~~).clients.address0");
}

function transfer() public {
    require(balanceOf[msg.sender] >= u0.Upay);           // Check if the sender has enough token
    require(map[u0.Uadd] + u0.Upay >= map[u0.Uadd]); // Check for overflows
    balanceOf[msg.sender] -= u0.Upay;                    // Subtract from the sender
    map[u0.Uadd] += u0.Upay;                           // Add the same to the recipient
}