Struct hotshot_types::consensus::Consensus

impl<TYPES: NodeType> Consensus<TYPES>

pub fn new( validated_state_map: BTreeMap<TYPES::Time, View<TYPES>>, cur_view: TYPES::Time, locked_view: TYPES::Time, last_decided_view: TYPES::Time, last_actioned_view: TYPES::Time, last_proposals: BTreeMap<TYPES::Time, Proposal<TYPES, QuorumProposal<TYPES>>>, saved_leaves: CommitmentMap<Leaf<TYPES>>, saved_payloads: BTreeMap<TYPES::Time, Arc<[u8]>>, high_qc: QuorumCertificate<TYPES>, metrics: Arc<ConsensusMetricsValue> ) -> Self

Constructor.

pub fn cur_view(&self) -> TYPES::Time

Get the current view.

pub fn last_decided_view(&self) -> TYPES::Time

Get the last decided view.

pub fn locked_view(&self) -> TYPES::Time

Get the locked view.

pub fn high_qc(&self) -> &QuorumCertificate<TYPES>

Get the high QC.

pub fn validated_state_map(&self) -> &BTreeMap<TYPES::Time, View<TYPES>>

Get the validated state map.

pub fn saved_leaves(&self) -> &CommitmentMap<Leaf<TYPES>>

Get the saved leaves.

pub fn saved_payloads(&self) -> &BTreeMap<TYPES::Time, Arc<[u8]>>

Get the saved payloads.

pub fn vid_shares(&self) -> &VidShares<TYPES>

Get the vid shares.

pub fn saved_da_certs(&self) -> &HashMap<TYPES::Time, DaCertificate<TYPES>>

Get the saved DA certs.

pub fn last_proposals( &self ) -> &BTreeMap<TYPES::Time, Proposal<TYPES, QuorumProposal<TYPES>>>

Get the map of our recent proposals

pub fn update_view(&mut self, view_number: TYPES::Time) -> Result<()>

Update the current view.

§Errors

Can return an error when the new view_number is not higher than the existing view number.

pub fn update_action( &mut self, action: HotShotAction, view: TYPES::Time ) -> bool

Update the last actioned view internally for votes and proposals

Returns true if the action is for a newer view than the last action of that type

pub fn reset_actions(&mut self)

reset last actions to genesis so we can resend events in tests

pub fn update_proposed_view( &mut self, proposal: Proposal<TYPES, QuorumProposal<TYPES>> ) -> Result<()>

Update the last proposal.

§Errors

Can return an error when the new view_number is not higher than the existing proposed view number.

pub fn update_last_decided_view( &mut self, view_number: TYPES::Time ) -> Result<()>

Update the last decided view.

§Errors

Can return an error when the new view_number is not higher than the existing decided view number.

pub fn update_locked_view(&mut self, view_number: TYPES::Time) -> Result<()>

Update the locked view.

§Errors

Can return an error when the new view_number is not higher than the existing locked view number.

pub fn update_validated_state_map( &mut self, view_number: TYPES::Time, view: View<TYPES> ) -> Result<()>

Update the validated state map with a new view_number/view combo.

§Errors

Can return an error when the new view contains less information than the exisiting view with the same view number.

pub fn update_saved_leaves(&mut self, leaf: Leaf<TYPES>)

Update the saved leaves with a new leaf.

pub fn update_saved_payloads( &mut self, view_number: TYPES::Time, encoded_transaction: Arc<[u8]> ) -> Result<()>

Update the saved payloads with a new encoded transaction.

§Errors

Can return an error when there’s an existing payload corresponding to the same view number.

pub fn update_high_qc( &mut self, high_qc: QuorumCertificate<TYPES> ) -> Result<()>

Update the high QC if given a newer one.

§Errors

Can return an error when the provided high_qc is not newer than the existing entry.

pub fn update_vid_shares( &mut self, view_number: TYPES::Time, disperse: Proposal<TYPES, VidDisperseShare<TYPES>> )

Add a new entry to the vid_shares map.

pub fn update_saved_da_certs( &mut self, view_number: TYPES::Time, cert: DaCertificate<TYPES> )

Add a new entry to the da_certs map.

pub fn visit_leaf_ancestors<F>( &self, start_from: TYPES::Time, terminator: Terminator<TYPES::Time>, ok_when_finished: bool, f: F ) -> Result<(), HotShotError<TYPES>>
where F: FnMut(&Leaf<TYPES>, Arc<<TYPES as NodeType>::ValidatedState>, Option<Arc<<<TYPES as NodeType>::ValidatedState as ValidatedState<TYPES>>::Delta>>) -> bool,

gather information from the parent chain of leaves

§Errors

If the leaf or its ancestors are not found in storage

pub fn collect_garbage( &mut self, old_anchor_view: TYPES::Time, new_anchor_view: TYPES::Time )

Garbage collects based on state change right now, this removes from both the saved_payloads and validated_state_map fields of Consensus.

§Panics

On inconsistent stored entries

pub fn decided_leaf(&self) -> Leaf<TYPES>

Gets the last decided leaf.

§Panics

if the last decided view’s leaf does not exist in the state map or saved leaves, which should never happen.

pub fn state( &self, view_number: TYPES::Time ) -> Option<&Arc<TYPES::ValidatedState>>

Gets the validated state with the given view number, if in the state map.

pub fn state_and_delta(&self, view_number: TYPES::Time) -> StateAndDelta<TYPES>

Gets the validated state and state delta with the given view number, if in the state map.

pub fn decided_state(&self) -> Arc<TYPES::ValidatedState>

Gets the last decided validated state.

§Panics

If the last decided view’s state does not exist in the state map, which should never happen.

pub async fn calculate_and_update_vid( consensus: OuterConsensus<TYPES>, view: <TYPES as NodeType>::Time, membership: Arc<TYPES::Membership>, private_key: &<TYPES::SignatureKey as SignatureKey>::PrivateKey ) -> Option<()>

Associated helper function: Takes LockedConsensusState which will be updated; locks it for read and write accordingly. Calculates VidDisperse based on the view, the txns and the membership, and updates vid_shares map with the signed VidDisperseShare proposals. Returned Option indicates whether the update has actually happened or not.

Trait Implementations§

impl<TYPES: Clone + NodeType> Clone for Consensus<TYPES>
where TYPES::Time: Clone,

fn clone(&self) -> Consensus<TYPES>

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl<TYPES: NodeType> Debug for Consensus<TYPES>
where BTreeMap<TYPES::Time, View<TYPES>>: Debug, VidShares<TYPES>: Debug, HashMap<TYPES::Time, DaCertificate<TYPES>>: Debug, TYPES::Time: Debug, BTreeMap<TYPES::Time, Proposal<TYPES, QuorumProposal<TYPES>>>: Debug, CommitmentMap<Leaf<TYPES>>: Debug, HotShotActionViews<TYPES::Time>: Debug, BTreeMap<TYPES::Time, Arc<[u8]>>: Debug, QuorumCertificate<TYPES>: Debug,

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl<TYPES> Freeze for Consensus<TYPES>
where <<TYPES as NodeType>::SignatureKey as SignatureKey>::QcType: Freeze, <TYPES as NodeType>::Time: Freeze,

impl<TYPES> Unpin for Consensus<TYPES>
where TYPES: Unpin, <TYPES as NodeType>::BlockHeader: Unpin, <TYPES as NodeType>::BlockPayload: Unpin, <<TYPES as NodeType>::SignatureKey as SignatureKey>::QcType: Unpin, <TYPES as NodeType>::Time: Unpin,

impl<TYPES> !UnwindSafe for Consensus<TYPES>

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Gets the TypeId of self. Read more

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Sets the background color to an RGB value.

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more