Examples with QuorumCertificate com.radixdlt.consensus.QuorumCertificate used on opensource projects

Example 6 with QuorumCertificate

use of com.radixdlt.consensus.QuorumCertificate 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());
}

Example 7 with QuorumCertificate

use of com.radixdlt.consensus.QuorumCertificate in project radixdlt by radixdlt.

the class ConsensusModuleTest method on_sync_request_timeout_should_retry.

@Test
public void on_sync_request_timeout_should_retry() {
    // Arrange
    BFTNode bftNode = BFTNode.random();
    QuorumCertificate parent = vertexStore.highQC().highestQC();
    Pair<QuorumCertificate, VerifiedVertex> nextVertex = createNextVertex(parent, bftNode);
    HighQC unsyncedHighQC = HighQC.from(nextVertex.getFirst(), nextVertex.getFirst(), Optional.empty());
    bftSync.syncToQC(unsyncedHighQC, bftNode);
    GetVerticesRequest request = new GetVerticesRequest(nextVertex.getSecond().getId(), 1);
    VertexRequestTimeout timeout = VertexRequestTimeout.create(request);
    // Act
    // FIXME: Remove when rate limit on send removed
    nothrowSleep(100);
    bftSync.vertexRequestTimeoutEventProcessor().process(timeout);
    // Assert
    verify(requestSender, times(2)).dispatch(eq(bftNode), argThat(r -> r.getCount() == 1 && r.getVertexId().equals(nextVertex.getSecond().getId())));
}

Example 8 with QuorumCertificate

use of com.radixdlt.consensus.QuorumCertificate in project radixdlt by radixdlt.

the class ConsensusModuleTest method on_synced_to_vertex_should_request_for_parent.

@Test
public void on_synced_to_vertex_should_request_for_parent() {
    // Arrange
    BFTNode bftNode = BFTNode.random();
    QuorumCertificate parent = vertexStore.highQC().highestQC();
    Pair<QuorumCertificate, VerifiedVertex> nextVertex = createNextVertex(parent, bftNode);
    Pair<QuorumCertificate, VerifiedVertex> nextNextVertex = createNextVertex(nextVertex.getFirst(), bftNode);
    HighQC unsyncedHighQC = HighQC.from(nextNextVertex.getFirst(), nextNextVertex.getFirst(), Optional.empty());
    bftSync.syncToQC(unsyncedHighQC, bftNode);
    // Act
    // FIXME: Remove when rate limit on send removed
    nothrowSleep(100);
    GetVerticesResponse response = new GetVerticesResponse(ImmutableList.of(nextNextVertex.getSecond()));
    bftSync.responseProcessor().process(bftNode, response);
    // Assert
    verify(requestSender, times(1)).dispatch(eq(bftNode), argThat(r -> r.getCount() == 1 && r.getVertexId().equals(nextVertex.getSecond().getId())));
}

Example 9 with QuorumCertificate

use of com.radixdlt.consensus.QuorumCertificate in project radixdlt by radixdlt.

the class ConsensusModuleTest method createNextVertex.

private Pair<QuorumCertificate, VerifiedVertex> createNextVertex(QuorumCertificate parent, BFTNode bftNode, Txn txn) {
    var unverifiedVertex = UnverifiedVertex.create(parent, View.of(1), List.of(txn), bftNode);
    var hash = hasher.hash(unverifiedVertex);
    var verifiedVertex = new VerifiedVertex(unverifiedVertex, hash);
    var next = new BFTHeader(View.of(1), verifiedVertex.getId(), LedgerHeader.create(1, View.of(1), new AccumulatorState(1, HashUtils.zero256()), 1));
    var voteData = new VoteData(next, parent.getProposed(), parent.getParent());
    var unsyncedQC = new QuorumCertificate(voteData, new TimestampedECDSASignatures(Map.of(bftNode, TimestampedECDSASignature.from(1, zeroSignature()))));
    return Pair.of(unsyncedQC, verifiedVertex);
}

Example 10 with QuorumCertificate

use of com.radixdlt.consensus.QuorumCertificate in project radixdlt by radixdlt.

the class VertexStoreTest method adding_a_qc_which_has_not_been_inserted_should_return_false.

@Test
public void adding_a_qc_which_has_not_been_inserted_should_return_false() {
    // Arrange
    this.nextVertex.get();
    // Act
    QuorumCertificate qc = this.nextVertex.get().getQC();
    boolean success = sut.addQC(qc);
    // Assert
    assertThat(success).isFalse();
}