Examples with BlockHeader org.ethereum.core.BlockHeader used on opensource projects

Example 36 with BlockHeader

use of org.ethereum.core.BlockHeader in project rskj by rsksmart.

the class BlockHeadersMessage method encode.

private void encode() {
    List<byte[]> encodedElements = new ArrayList<>();
    for (BlockHeader blockHeader : blockHeaders) {
        encodedElements.add(blockHeader.getEncoded());
    }
    byte[][] encodedElementArray = encodedElements.toArray(new byte[encodedElements.size()][]);
    this.encoded = RLP.encodeList(encodedElementArray);
}

Example 37 with BlockHeader

use of org.ethereum.core.BlockHeader in project rskj by rsksmart.

the class BlockHeadersMessage method parse.

private void parse() {
    RLPList paramsList = (RLPList) RLP.decode2(encoded).get(0);
    blockHeaders = new ArrayList<>();
    for (int i = 0; i < paramsList.size(); ++i) {
        RLPList rlpData = ((RLPList) paramsList.get(i));
        blockHeaders.add(new BlockHeader(rlpData, true));
    }
    parsed = true;
}

Example 38 with BlockHeader

use of org.ethereum.core.BlockHeader in project rskj by rsksmart.

the class DownloadingBodiesSyncState method newBody.

@Override
public void newBody(BodyResponseMessage message, MessageChannel peer) {
    NodeID peerId = peer.getPeerNodeID();
    if (!isExpectedBody(message.getId(), peerId)) {
        handleUnexpectedBody(peerId);
        return;
    }
    // we already checked that this message was expected
    BlockHeader header = pendingBodyResponses.remove(message.getId()).header;
    Block block = Block.fromValidData(header, message.getTransactions(), message.getUncles());
    if (!blockUnclesHashValidationRule.isValid(block) || !blockTransactionsValidationRule.isValid(block)) {
        handleInvalidMessage(peerId, header);
        return;
    }
    // handle block
    if (syncInformation.processBlock(block, peer).isInvalidBlock()) {
        handleInvalidBlock(peerId, header);
        return;
    }
    // updates peer downloading information
    tryRequestNextBody(peerId);
    // check if this was the last block to download
    verifyDownloadIsFinished();
}

Example 39 with BlockHeader

use of org.ethereum.core.BlockHeader in project rskj by rsksmart.

the class DownloadingBodiesSyncState method updateHeadersAndChunks.

private Optional<BlockHeader> updateHeadersAndChunks(NodeID peerId, Integer currentChunk) {
    Deque<BlockHeader> headers = pendingHeaders.get(currentChunk);
    BlockHeader header = headers.poll();
    while (header != null) {
        // we double check if the header was not downloaded or obtained by another way
        if (!syncInformation.isKnownBlock(header.getHash().getBytes())) {
            return Optional.of(header);
        }
        header = headers.poll();
    }
    Optional<BlockHeader> blockHeader = tryFindBlockHeader(peerId);
    if (!blockHeader.isPresent()) {
        chunksBeingDownloaded.remove(peerId);
        segmentsBeingDownloaded.remove(peerId);
        messagesByPeers.remove(peerId);
    }
    return blockHeader;
}

Example 40 with BlockHeader

use of org.ethereum.core.BlockHeader in project rskj by rsksmart.

the class DownloadingBodiesSyncState method handleTimeoutMessage.

private void handleTimeoutMessage(NodeID peerId) {
    syncInformation.reportEvent("Timeout waiting body from node {}", EventType.TIMEOUT_MESSAGE, peerId, peerId);
    Long messageId = messagesByPeers.remove(peerId);
    BlockHeader header = pendingBodyResponses.remove(messageId).header;
    clearPeerInfo(peerId);
    resetChunkAndHeader(peerId, header);
}