Examples with HighQC com.radixdlt.hotstuff.HighQC used on opensource projects

Example 6 with HighQC

use of com.radixdlt.hotstuff.HighQC in project radixdlt by radixdlt.

the class PacemakerStateTest method when_process_qc_for_current_view__then_processed.

@Test
public void when_process_qc_for_current_view__then_processed() {
    HighQC highQC = mock(HighQC.class);
    when(highQC.getHighestView()).thenReturn(View.of(0));
    this.pacemakerState.processQC(highQC);
    verify(viewUpdateSender, times(1)).dispatch(argThat(v -> v.getCurrentView().equals(View.of(1))));
    when(highQC.getHighestView()).thenReturn(View.of(1));
    this.pacemakerState.processQC(highQC);
    verify(viewUpdateSender, times(1)).dispatch(argThat(v -> v.getCurrentView().equals(View.of(2))));
}

Example 7 with HighQC

use of com.radixdlt.hotstuff.HighQC in project radixdlt by radixdlt.

the class PacemakerTest method when_local_timeout__then_send_empty_vote_if_no_previous.

@Test
public void when_local_timeout__then_send_empty_vote_if_no_previous() {
    HighQC viewUpdateHighQc = mock(HighQC.class);
    QuorumCertificate committedQc = mock(QuorumCertificate.class);
    QuorumCertificate highestQc = mock(QuorumCertificate.class);
    when(viewUpdateHighQc.highestCommittedQC()).thenReturn(committedQc);
    when(viewUpdateHighQc.highestQC()).thenReturn(highestQc);
    BFTHeader highestQcProposed = mock(BFTHeader.class);
    HashCode highQcParentVertexId = mock(HashCode.class);
    when(highestQcProposed.getVertexId()).thenReturn(highQcParentVertexId);
    when(highestQc.getProposed()).thenReturn(highestQcProposed);
    when(committedQc.getView()).thenReturn(View.of(0));
    ViewUpdate viewUpdate = ViewUpdate.create(View.of(1), viewUpdateHighQc, mock(BFTNode.class), mock(BFTNode.class));
    this.pacemaker.processViewUpdate(viewUpdate);
    View view = View.of(1);
    Vote emptyVote = mock(Vote.class);
    Vote emptyVoteWithTimeout = mock(Vote.class);
    ImmutableSet<BFTNode> validators = rmock(ImmutableSet.class);
    BFTHeader bftHeader = mock(BFTHeader.class);
    HighQC highQC = mock(HighQC.class);
    BFTInsertUpdate bftInsertUpdate = mock(BFTInsertUpdate.class);
    when(bftInsertUpdate.getHeader()).thenReturn(bftHeader);
    PreparedVertex preparedVertex = mock(PreparedVertex.class);
    when(preparedVertex.getView()).thenReturn(view);
    when(preparedVertex.getLedgerHeader()).thenReturn(mock(LedgerHeader.class));
    VerifiedVertexStoreState vertexStoreState = mock(VerifiedVertexStoreState.class);
    when(vertexStoreState.getHighQC()).thenReturn(highQC);
    when(bftInsertUpdate.getInserted()).thenReturn(preparedVertex);
    when(bftInsertUpdate.getVertexStoreState()).thenReturn(vertexStoreState);
    var node = BFTNode.random();
    when(preparedVertex.getId()).thenReturn(hasher.hash(UnverifiedVertex.createTimeout(highestQc, view, node)));
    when(this.safetyRules.getLastVote(view)).thenReturn(Optional.empty());
    when(this.safetyRules.createVote(any(), any(), anyLong(), any())).thenReturn(emptyVote);
    when(this.safetyRules.timeoutVote(emptyVote)).thenReturn(emptyVoteWithTimeout);
    when(this.validatorSet.nodes()).thenReturn(validators);
    when(this.vertexStore.getPreparedVertex(any())).thenReturn(Optional.empty());
    this.pacemaker.processLocalTimeout(ScheduledLocalTimeout.create(ViewUpdate.create(View.of(1), mock(HighQC.class), node, BFTNode.random()), 0L));
    this.pacemaker.processBFTUpdate(bftInsertUpdate);
    verify(this.voteDispatcher, times(1)).dispatch(eq(validators), eq(emptyVoteWithTimeout));
    verify(this.safetyRules, times(1)).getLastVote(view);
    verify(this.safetyRules, times(1)).createVote(any(), any(), anyLong(), any());
    verify(this.safetyRules, times(1)).timeoutVote(emptyVote);
    verifyNoMoreInteractions(this.safetyRules);
    verify(this.vertexStore, times(1)).getPreparedVertex(any());
    ArgumentCaptor<VerifiedVertex> insertVertexCaptor = ArgumentCaptor.forClass(VerifiedVertex.class);
    verify(this.vertexStore, times(1)).insertVertex(insertVertexCaptor.capture());
    assertEquals(insertVertexCaptor.getValue().getParentId(), highQcParentVertexId);
    verifyNoMoreInteractions(this.vertexStore);
}

Example 8 with HighQC

use of com.radixdlt.hotstuff.HighQC in project radixdlt by radixdlt.

the class GetVerticesErrorResponseMessageTest method sensibleToString.

@Test
public void sensibleToString() {
    VerifiedVertex verifiedVertex = mock(VerifiedVertex.class);
    when(verifiedVertex.getView()).thenReturn(View.genesis());
    when(verifiedVertex.getId()).thenReturn(HashCode.fromInt(1));
    QuorumCertificate qc = QuorumCertificate.ofGenesis(verifiedVertex, mock(LedgerHeader.class));
    HighQC highQC = HighQC.from(qc, qc, Optional.empty());
    final var request = mock(GetVerticesRequestMessage.class);
    GetVerticesErrorResponseMessage msg1 = new GetVerticesErrorResponseMessage(highQC, request);
    String s1 = msg1.toString();
    assertThat(s1).contains(GetVerticesErrorResponseMessage.class.getSimpleName());
}

Example 9 with HighQC

use of com.radixdlt.hotstuff.HighQC in project radixdlt by radixdlt.

the class GetVerticesErrorResponseMessageSerializeTest method get.

private static GetVerticesErrorResponseMessage get() {
    var accumulatorState = new AccumulatorState(0, HashUtils.zero256());
    LedgerHeader ledgerHeader = LedgerHeaderMock.get();
    VerifiedVertex verifiedVertex = new VerifiedVertex(UnverifiedVertex.createGenesis(ledgerHeader), HashUtils.zero256());
    QuorumCertificate qc = QuorumCertificate.ofGenesis(verifiedVertex, ledgerHeader);
    HighQC highQC = HighQC.from(qc, qc, Optional.empty());
    final var request = new GetVerticesRequestMessage(HashUtils.random256(), 3);
    return new GetVerticesErrorResponseMessage(highQC, request);
}

Example 10 with HighQC

use of com.radixdlt.hotstuff.HighQC in project radixdlt by radixdlt.

the class Pacemaker method generateProposal.

private Optional<Proposal> generateProposal(View view) {
    final HighQC highQC = this.latestViewUpdate.getHighQC();
    final QuorumCertificate highestQC = highQC.highestQC();
    final List<Txn> nextTxns;
    // TODO: Remove isEndOfEpoch knowledge from consensus
    if (highestQC.getProposed().getLedgerHeader().isEndOfEpoch()) {
        nextTxns = List.of();
    } else {
        final List<PreparedVertex> preparedVertices = vertexStore.getPathFromRoot(highestQC.getProposed().getVertexId());
        nextTxns = nextTxnsGenerator.generateNextTxns(view, preparedVertices);
        systemCounters.add(SystemCounters.CounterType.BFT_PACEMAKER_PROPOSED_TRANSACTIONS, nextTxns.size());
    }
    final UnverifiedVertex proposedVertex = UnverifiedVertex.create(highestQC, view, nextTxns, self);
    final VerifiedVertex verifiedVertex = new VerifiedVertex(proposedVertex, hasher.hash(proposedVertex));
    return safetyRules.signProposal(verifiedVertex, highQC.highestCommittedQC(), highQC.highestTC());
}