referrerpolicy=no-referrer-when-downgrade

Function polkadot_service::revert_backend

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

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.