errors
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Implement TransferX method on Balance contract client. Implement TransferX method on Balance client's wrapper that encapsulates it's TransferX call. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>