Examples with NewBlockHash org.hyperledger.besu.ethereum.eth.messages.NewBlockHashesMessage.NewBlockHash used on opensource projects

Example 1 with NewBlockHash

use of org.hyperledger.besu.ethereum.eth.messages.NewBlockHashesMessage.NewBlockHash in project besu by hyperledger.

the class BlockPropagationManager method handleNewBlockHashesFromNetwork.

private void handleNewBlockHashesFromNetwork(final EthMessage message) {
    final Blockchain blockchain = protocolContext.getBlockchain();
    final NewBlockHashesMessage newBlockHashesMessage = NewBlockHashesMessage.readFrom(message.getData());
    try {
        // Register announced blocks
        final List<NewBlockHash> announcedBlocks = Lists.newArrayList(newBlockHashesMessage.getNewHashes());
        traceLambda(LOG, "New block hashes from network {} from peer {}. Current status {}", () -> toLogString(announcedBlocks), message::getPeer, () -> this);
        for (final NewBlockHash announcedBlock : announcedBlocks) {
            message.getPeer().registerKnownBlock(announcedBlock.hash());
            message.getPeer().registerHeight(announcedBlock.hash(), announcedBlock.number());
        }
        // Filter announced blocks for blocks we care to import
        final long localChainHeight = protocolContext.getBlockchain().getChainHeadBlockNumber();
        final long bestChainHeight = syncState.bestChainHeight(localChainHeight);
        final List<NewBlockHash> relevantAnnouncements = announcedBlocks.stream().filter(a -> shouldImportBlockAtHeight(a.number(), localChainHeight, bestChainHeight)).collect(Collectors.toList());
        // Filter for blocks we don't yet know about
        final List<NewBlockHash> newBlocks = new ArrayList<>();
        for (final NewBlockHash announcedBlock : relevantAnnouncements) {
            if (pendingBlocksManager.contains(announcedBlock.hash())) {
                LOG.trace("New block hash from network {} is already pending", announcedBlock);
                continue;
            }
            if (importingBlocks.contains(announcedBlock.hash())) {
                LOG.trace("New block hash from network {} is already importing", announcedBlock);
                continue;
            }
            if (blockchain.contains(announcedBlock.hash())) {
                LOG.trace("New block hash from network {} was already imported", announcedBlock);
                continue;
            }
            if (requestedBlocks.add(announcedBlock.hash())) {
                newBlocks.add(announcedBlock);
            } else {
                LOG.trace("New block hash from network {} was already requested", announcedBlock);
            }
        }
        // Process known blocks we care about
        for (final NewBlockHash newBlock : newBlocks) {
            processAnnouncedBlock(message.getPeer(), newBlock);
        }
    } catch (final RLPException e) {
        LOG.debug("Malformed NEW_BLOCK_HASHES message received from peer, disconnecting: {}", message.getPeer(), e);
        message.getPeer().disconnect(DisconnectReason.BREACH_OF_PROTOCOL);
    }
}