New attempts to load an already existing layer from a persistent key-value store (with a number of memory layers from a journal).

NewStateSetWithOrigin constructs the state set with the provided data.

Defaults contains default settings for Ethereum mainnet.

ReadOnly is the config in order to open database in read only mode.

Config contains the settings for database.

Database is a multiple-layered structure for maintaining in-memory trie nodes.

HistoryStats wraps the history inspection statistics.

StateSetWithOrigin wraps the state set with additional original values of the mutated states.