pub fn create_transaction_internal(
    wallet: &mut Wallet,
    vec_send: &Vec<Recipient>,
    tx: &mut TransactionRef,
    n_fee_ret: &mut Amount,
    n_change_pos_in_out: &mut i32,
    error: &mut BilingualStr,
    coin_control: &CoinControl,
    fee_calc_out: &mut FeeCalculation,
    sign: bool
) -> bool