Function ergo_lib_c::ergo_wallet_wallet_new_signed_tx

#[no_mangle]pub extern "C" fn ergo_wallet_wallet_new_signed_tx(
    _wallet: WalletPtr, 
    _state_context: ErgoStateContextPtr, 
    _unspent_boxes: UnspentBoxesPtr, 
    _data_input_boxes: DataInputBoxesPtr, 
    _output_boxes: OutputBoxesPtr, 
    _send_change_to: AddressPtr, 
    _min_change_value: u64, 
    _tx_fee_amount: u64, 
    _transaction_out: *mut TransactionPtr
) -> ErrorPtr