ExportSectors returns a channel iterating over all sector infos in miner actor state.

NewBlockstore creates a new blockstore wrapped by the given datastore.

NewTemporary returns a temporary blockstore.

NewTemporarySync returns a thread-safe temporary blockstore.

V0TreeMinerBalancse returns a map of every miner's balance info at the provided state tree.

WrapIDStore wraps the underlying blockstore in an "identity" blockstore.

StateTreeVersion0 corresponds to actors < v2.

StateTreeVersion1 corresponds to actors >= v2.

persist and load migration caches.

BufferedBlockstore pushes all writes to an in memory cache blockstore and reads through this cache into a slower lotus blockstore backed by an on disk repo.

ChainStateIterator moves from tip to genesis emiting parent state roots of blocks.

StateTreeVersion is the version of the state tree itself, independent of the network version or the actors version.