It's needed for container operations, therefore default ones for client and
pool have to be of this type as well. And it's easier to check for it before
usage.
Fixes#209.
Signed-off-by: Roman Khimov <roman@nspcc.ru>
Return `error` from all `ReadFromV2` methods in order to support
backward compatibility if message will be extended with some formatted
field.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Enumerate signature schemes of `Scheme` type from 0 in order to sync
with NeoFS API protocol by values.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Remove `signature` and `util/signature` packages. Re-implement their
functionality in new `crypto` package. Generalize the approach of
digital signature computation and verification by adding `Signer` and
`PublicKey` primitives similar to standard `crypto` package. Support
already exising in protocol signature schemes.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
