netmap

type AnnouncedKeys interface {
	// IsLocalKey checks if the key was announced by a local node.
	IsLocalKey(key []byte) bool
}

type Source interface {
	// GetNetMapByEpoch reads network map by the epoch number from the storage.
	// It returns the pointer to the requested network map and any error encountered.
	//
	// Must return exactly one non-nil value.
	//
	// Implementations must not retain the network map pointer and modify
	// the network map through it.
	GetNetMapByEpoch(epoch uint64) (*netmap.NetMap, error)

	// Epoch reads the current epoch from the storage.
	// It returns thw number of the current epoch and any error encountered.
	//
	// Must return exactly one non-default value.
	Epoch() (uint64, error)

	// NetMap returns current network map.
	NetMap() (*netmap.NetMap, error)
}

type State interface {
	// CurrentEpoch returns the number of the current NeoFS epoch.
	CurrentEpoch() uint64
}

type StateDetailed interface {
	State
	CurrentBlock() uint32
	CurrentEpochDuration() uint64
}