Function build_root_pointer 

pub fn build_root_pointer(
    manifest_object_id: ObjectId,
    ecs_epoch: EpochId,
    symbol_auth_enabled: bool,
    master_key: Option<&[u8; 32]>,
) -> Result<EcsRootPointer>

Build EcsRootPointer according to symbol_auth mode.

Errors

Returns FrankenError::DatabaseCorrupt when auth is required but key is missing.