Function polkadot_service::revert_backend

pub fn revert_backend(
    client: Arc<FullClient>,
    backend: Arc<FullBackend>,
    blocks: BlockNumber,
    config: Configuration,
    task_handle: SpawnTaskHandle
) -> Result<(), Error>

Reverts the node state down to at most the last finalized block.

In particular this reverts:

• ApprovalVotingSubsystem data in the parachains-db;
• ChainSelectionSubsystem data in the parachains-db;
• Low level Babe and Grandpa consensus data.