Examples with BlockHeader io.nuls.kernel.model.BlockHeader used on opensource projects

Example 36 with BlockHeader

use of io.nuls.kernel.model.BlockHeader in project nuls by nuls-io.

the class ChainManager method checkIsBeforeOrphanChainAndAdd.

public boolean checkIsBeforeOrphanChainAndAdd(Block block) {
    BlockHeader header = block.getHeader();
    boolean success = false;
    for (ChainContainer chainContainer : orphanChains) {
        Chain chain = chainContainer.getChain();
        if (header.getHash().equals(chain.getStartBlockHeader().getPreHash())) {
            success = true;
            chain.addPreBlock(block);
        }
    }
    return success;
}

Example 37 with BlockHeader

use of io.nuls.kernel.model.BlockHeader in project nuls by nuls-io.

the class PoConvertUtil method fromBlockHeaderPo.

public static BlockHeader fromBlockHeaderPo(BlockHeaderPo po) {
    BlockHeader header = new BlockHeader();
    header.setHash(po.getHash());
    header.setHeight(po.getHeight());
    header.setExtend(po.getExtend());
    header.setPreHash(po.getPreHash());
    header.setTime(po.getTime());
    header.setMerkleHash(po.getMerkleHash());
    header.setTxCount(po.getTxCount());
    header.setBlockSignature(po.getScriptSign());
    // pierre add contract stateRoot
    header.setStateRoot(po.getStateRoot());
    return header;
}

Example 38 with BlockHeader

use of io.nuls.kernel.model.BlockHeader in project nuls by nuls-io.

the class SmallBlock method parse.

@Override
public void parse(NulsByteBuffer byteBuffer) throws NulsException {
    this.header = byteBuffer.readNulsData(new BlockHeader());
    this.txHashList = new ArrayList<>();
    long hashListSize = byteBuffer.readVarInt();
    for (int i = 0; i < hashListSize; i++) {
        this.txHashList.add(byteBuffer.readHash());
    }
    this.subTxList = new ArrayList<>();
    long subTxListSize = byteBuffer.readVarInt();
    for (int i = 0; i < subTxListSize; i++) {
        Transaction tx = byteBuffer.readTransaction();
        tx.setBlockHeight(header.getHeight());
        this.subTxList.add(tx);
    }
}

Example 39 with BlockHeader

use of io.nuls.kernel.model.BlockHeader in project nuls by nuls-io.

the class DownloadThreadManager method checkFirstBlock.

private boolean checkFirstBlock() throws NulsException {
    Block localBestBlock = blockService.getBestBlock().getData();
    if (localBestBlock.getHeader().getHeight() == 0 || (newestInfos.getNetBestHeight() == localBestBlock.getHeader().getHeight() && newestInfos.getNetBestHash().equals(localBestBlock.getHeader().getHash()))) {
        return true;
    }
    if (newestInfos.getNetBestHeight() < localBestBlock.getHeader().getHeight()) {
        BlockHeader header = blockService.getBlockHeader(newestInfos.getNetBestHash()).getData();
        if (null == header && networkService.getAvailableNodes().size() >= networkService.getNetworkParam().getMaxOutCount() && DoubleUtils.div(newestInfos.getNodes().size(), networkService.getAvailableNodes().size(), 2) >= 0.5d) {
            for (long i = localBestBlock.getHeader().getHeight(); i <= newestInfos.getNetBestHeight(); i--) {
                consensusService.rollbackBlock(localBestBlock);
                localBestBlock = blockService.getBestBlock().getData();
            }
        } else if (null == header) {
            resetNetwork("The local block is higher than the network block, the number of connected nodes is not enough to allow the local rollbackTx, so reset");
            return false;
        }
    } else {
        // check need rollbackTx
        return checkRollback(localBestBlock, 0);
    }
    return true;
}

Example 40 with BlockHeader

use of io.nuls.kernel.model.BlockHeader in project nuls by nuls-io.

the class GetBlocksHashHandler method onMessage.

@Override
public void onMessage(GetBlocksHashMessage message, Node fromNode) {
    GetBlocksHashParam param = message.getMsgBody();
    if (param.getEndHeight() - param.getStartHeight() >= MAX_SIZE) {
        return;
    }
    NulsDigestData requestHash = message.getHash();
    BlockHeader endHeader = blockService.getBlockHeader(param.getEndHeight()).getData();
    if (null == endHeader) {
        sendNotFound(fromNode, requestHash);
        return;
    }
    BlockHashResponse response = new BlockHashResponse();
    response.setRequestMessageHash(requestHash);
    BlockHeader header = endHeader;
    while (header.getHeight() >= param.getStartHeight()) {
        response.putFront(header.getHash());
        header = blockService.getBlockHeader(header.getPreHash()).getData();
        if (header == null) {
            break;
        }
    }
    sendResponse(response, fromNode);
}