pub fn initialize_data_manager(
db_dir: &str,
dbtype: DbType,
pow: Arc<PowComputer>,
vm: VmFactory,
) -> (Arc<BlockDataManager>, Arc<Block>)
pub fn initialize_data_manager(
db_dir: &str,
dbtype: DbType,
pow: Arc<PowComputer>,
vm: VmFactory,
) -> (Arc<BlockDataManager>, Arc<Block>)