There is a need to provide contract address getter from all contract client wrappers. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
Implement wrapper over NeoFS contact's client which allows you to conveniently interact with the contract. Implement `ManageKeys` method for binding or unbinding public keys to the NeoFS account. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
