Examples with Bytes4 tech.pegasys.teku.infrastructure.bytes.Bytes4 used on opensource projects

Example 1 with Bytes4

use of tech.pegasys.teku.infrastructure.bytes.Bytes4 in project teku by ConsenSys.

the class BeaconChainMethods method createBeaconBlocksByRange.

private static Eth2RpcMethod<BeaconBlocksByRangeRequestMessage, SignedBeaconBlock> createBeaconBlocksByRange(final Spec spec, final AsyncRunner asyncRunner, final RecentChainData recentChainData, final CombinedChainDataClient combinedChainDataClient, final PeerLookup peerLookup, final RpcEncoding rpcEncoding) {
    final BeaconBlocksByRangeMessageHandler beaconBlocksByRangeHandler = new BeaconBlocksByRangeMessageHandler(spec, combinedChainDataClient, MAX_BLOCK_BY_RANGE_REQUEST_SIZE);
    // V1 request only deal with Phase0 blocks
    final SignedBeaconBlockSchema phase0BlockSchema = spec.forMilestone(SpecMilestone.PHASE0).getSchemaDefinitions().getSignedBeaconBlockSchema();
    final RpcContextCodec<?, SignedBeaconBlock> noContextCodec = RpcContextCodec.noop(phase0BlockSchema);
    final BeaconBlocksByRangeRequestMessageSchema requestType = BeaconBlocksByRangeRequestMessage.SSZ_SCHEMA;
    final boolean expectResponseToRequest = true;
    final SingleProtocolEth2RpcMethod<BeaconBlocksByRangeRequestMessage, SignedBeaconBlock> v1Method = new SingleProtocolEth2RpcMethod<>(asyncRunner, BeaconChainMethodIds.BEACON_BLOCKS_BY_RANGE, 1, rpcEncoding, requestType, expectResponseToRequest, noContextCodec, beaconBlocksByRangeHandler, peerLookup);
    if (spec.isMilestoneSupported(SpecMilestone.ALTAIR)) {
        final RpcContextCodec<Bytes4, SignedBeaconBlock> forkDigestContextCodec = RpcContextCodec.forkDigest(spec, recentChainData, ForkDigestPayloadContext.SIGNED_BEACONBLOCK);
        final SingleProtocolEth2RpcMethod<BeaconBlocksByRangeRequestMessage, SignedBeaconBlock> v2Method = new SingleProtocolEth2RpcMethod<>(asyncRunner, BeaconChainMethodIds.BEACON_BLOCKS_BY_RANGE, 2, rpcEncoding, requestType, expectResponseToRequest, forkDigestContextCodec, beaconBlocksByRangeHandler, peerLookup);
        return VersionedEth2RpcMethod.create(rpcEncoding, requestType, expectResponseToRequest, List.of(v2Method, v1Method));
    } else {
        return v1Method;
    }
}

Example 2 with Bytes4

use of tech.pegasys.teku.infrastructure.bytes.Bytes4 in project teku by ConsenSys.

the class ActiveEth2P2PNetwork method getEth2Context.

private SafeFuture<Eth2Context> getEth2Context() {
    final ChainHead chainHead = recentChainData.getChainHead().orElseThrow();
    final Bytes4 forkDigest = recentChainData.getCurrentForkInfo().orElseThrow().getForkDigest(spec);
    final UInt64 currentSlot = recentChainData.getCurrentSlot().orElseThrow();
    final UInt64 currentEpoch = spec.computeEpochAtSlot(currentSlot);
    return chainHead.getState().thenApply(chainHeadState -> {
        final UInt64 activeValidatorsEpoch = spec.getMaxLookaheadEpoch(chainHeadState).min(currentEpoch);
        final int activeValidators = spec.countActiveValidators(chainHeadState, activeValidatorsEpoch);
        return Eth2Context.builder().currentSlot(currentSlot).activeValidatorCount(activeValidators).forkDigest(forkDigest).gossipEncoding(gossipEncoding).build();
    });
}

Example 3 with Bytes4

use of tech.pegasys.teku.infrastructure.bytes.Bytes4 in project teku by ConsenSys.

the class Eth2GossipTopicFilter method computeRelevantTopics.

private Set<String> computeRelevantTopics(final RecentChainData recentChainData, final GossipEncoding gossipEncoding) {
    final ForkInfo forkInfo = recentChainData.getCurrentForkInfo().orElseThrow();
    final Bytes4 forkDigest = forkInfo.getForkDigest(spec);
    final Set<String> topics = getAllTopics(gossipEncoding, forkDigest);
    spec.getForkSchedule().getForks().stream().filter(fork -> fork.getEpoch().isGreaterThanOrEqualTo(forkInfo.getFork().getEpoch())).map(futureFork -> spec.atEpoch(futureFork.getEpoch()).miscHelpers().computeForkDigest(futureFork.getCurrent_version(), forkInfo.getGenesisValidatorsRoot())).forEach(futureForkDigest -> topics.addAll(getAllTopics(gossipEncoding, futureForkDigest)));
    return topics;
}

Example 4 with Bytes4

use of tech.pegasys.teku.infrastructure.bytes.Bytes4 in project teku by ConsenSys.

the class GossipTopicsTest method getTopic.

@Test
public void getTopic() {
    final Bytes4 forkDigest = Bytes4.fromHexString("0x01020304");
    final String topicName = "test";
    final String actual = GossipTopics.getTopic(forkDigest, topicName, gossipEncoding);
    assertThat(actual).isEqualTo("/eth2/01020304/test/ssz_snappy");
}

Example 5 with Bytes4

use of tech.pegasys.teku.infrastructure.bytes.Bytes4 in project teku by ConsenSys.

the class PeerStatusFactory method random.

public PeerStatus random() {
    final Bytes4 fork = spec.getGenesisSpecConfig().getGenesisForkVersion();
    final Bytes32 finalizedRoot = randomBytes32();
    final UInt64 finalizedEpoch = randomLong(0, 10);
    final Bytes32 headRoot = randomBytes32();
    final long minHeadSlot = (finalizedEpoch.longValue() + 2) * spec.getGenesisSpecConfig().getSlotsPerEpoch();
    final UInt64 headSlot = randomLong(minHeadSlot, minHeadSlot + 5);
    return new PeerStatus(fork, finalizedRoot, finalizedEpoch, headRoot, headSlot);
}