Trait cfxcore::consensus::pos_handler::PosInterface

source ·

pub trait PosInterface: Send + Sync {
    // Required methods
    fn initialize(&self) -> Result<(), String>;
    fn get_committed_block(&self, h: &PosBlockId) -> Option<PosBlock>;
    fn latest_block(&self) -> PosBlockId;
    fn get_events(
        &self,
        from: &PosBlockId,
        to: &PosBlockId
    ) -> Vec<ContractEvent>;
    fn get_epoch_ending_blocks(
        &self,
        start_epoch: u64,
        end_epoch: u64
    ) -> Vec<PosBlockId>;
    fn get_reward_event(&self, epoch: u64) -> Option<RewardDistributionEventV2>;
    fn get_epoch_state(&self, block_id: &PosBlockId) -> EpochState;
    fn pos_ledger_db(&self) -> &Arc<PosLedgerDB>;
    fn consensus_db(&self) -> &Arc<ConsensusDB>;
    fn cached_db(&self) -> &Arc<CachedPosLedgerDB>;
}

Expand description

This includes the interfaces that the PoW consensus needs from the PoS consensus.

We assume the PoS service will be always available after initialize() returns, so all the other interfaces will panic if the PoS service is not ready.