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

Example 6 with Block

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

the class BlockServiceImplTest method init.

@Before
public void init() {
    MicroKernelBootstrap mk = MicroKernelBootstrap.getInstance();
    mk.init();
    mk.start();
    LevelDbModuleBootstrap bootstrap = new LevelDbModuleBootstrap();
    bootstrap.init();
    bootstrap.start();
    UtxoLedgerModuleBootstrap ledgerModuleBootstrap = new UtxoLedgerModuleBootstrap();
    ledgerModuleBootstrap.init();
    ledgerModuleBootstrap.start();
    service = NulsContext.getServiceBean(BlockService.class);
    Block block = new Block();
    BlockHeader blockHeader = new BlockHeader();
    blockHeader.setHash(NulsDigestData.calcDigestData("hashhash".getBytes()));
    blockHeader.setHeight(1286L);
    blockHeader.setExtend("extends".getBytes());
    blockHeader.setMerkleHash(NulsDigestData.calcDigestData("merkleHash".getBytes()));
    blockHeader.setPreHash(NulsDigestData.calcDigestData("prehash".getBytes()));
    try {
        blockHeader.setPackingAddress("address".getBytes());
    } catch (Exception e) {
        e.printStackTrace();
        assertTrue(false);
    }
    blockHeader.setBlockSignature(new BlockSignature());
    blockHeader.setTime(12345678901L);
    blockHeader.setTxCount(3);
    List<NulsDigestData> txHashList = new ArrayList<>();
    txHashList.add(NulsDigestData.calcDigestData("first-tx-hash".getBytes()));
    txHashList.add(NulsDigestData.calcDigestData("second-tx-hash".getBytes()));
    txHashList.add(NulsDigestData.calcDigestData("third-tx-hash".getBytes()));
// block.setTxHashList(txHashList);
// this.model = blockHeader;
}

Example 7 with Block

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

the class CollectThread method pushBlock.

private boolean pushBlock() throws InterruptedException {
    Block block = map.remove(startHeight);
    if (null == block) {
        if (startHeight - NulsContext.getInstance().getBestHeight() > 1000) {
            Thread.sleep(10L);
            return false;
        }
        block = waitBlock(startHeight);
    }
    if (null == block) {
        return false;
    }
    Result result = consensusService.addBlock(block);
    if (result.isSuccess()) {
        startHeight++;
        return true;
    }
    return false;
}

Example 8 with Block

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

the class OrphanBlockProcess method process.

public void process(BlockContainer blockContainer) throws IOException {
    if (ConsensusStatusContext.getConsensusStatus().ordinal() < ConsensusStatus.RUNNING.ordinal()) {
        return;
    }
    Block block = blockContainer.getBlock();
    // 只处理本地误差配置的块个数以内的孤块
    long bestBlockHeight = chainManager.getBestBlockHeight();
    if (Math.abs(bestBlockHeight - block.getHeader().getHeight()) > PocConsensusConstant.MAX_ISOLATED_BLOCK_COUNT) {
        return;
    }
    // Because it is not possible to ensure that there will be repeated reception, priority is given to
    // 因为不能确保是否会有重复收到的情况，所以在此优先去重
    boolean hasExist = checkHasExist(block.getHeader().getHash());
    if (hasExist) {
        return;
    }
    ChainLog.debug("process isolated block, bestblockheight:{}, isolated {} - {}", bestBlockHeight, block.getHeader().getHeight(), block.getHeader().getHash().getDigestHex());
    // Checks if the current orphaned block is connected to an existing orphaned chain
    // 检查当前孤立块是否和已经存在的孤立链连接
    boolean success = chainManager.checkIsBeforeOrphanChainAndAdd(block);
    ChainLog.debug("checkIsBeforeIsolatedChainAndAdd: {} , block {} - {}", success, block.getHeader().getHeight(), block.getHeader().getHash().getDigestHex());
    if (success) {
        // Connect to the current isolated chain and continue to find the previous block
        // 和当前的孤立链连接，继续寻找上一区块
        foundAndProcessPreviousBlock(blockContainer);
        return;
    }
    success = chainManager.checkIsAfterOrphanChainAndAdd(block);
    ChainLog.debug("checkIsAfterIsolatedChainAndAdd: {} , block {} - {}", success, block.getHeader().getHeight(), block.getHeader().getHash().getDigestHex());
    if (success) {
        // 成功找到，并且连接上了，接下来不需要做任何操作
        return;
    }
    // Not found, then create a new isolated chain, then find the previous block
    // 没有找到，那么新建一条孤立链，接着寻找上一个区块
    chainManager.newOrphanChain(block);
    ChainLog.debug("new a isolated chain , block {} - {}", success, block.getHeader().getHeight(), block.getHeader().getHash().getDigestHex());
    foundAndProcessPreviousBlock(blockContainer);
}

Example 9 with Block

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

the class BlockMonitorProcess method doProcess.

public void doProcess() {
    Block bestBlock = NulsContext.getInstance().getBestBlock();
    if (bestBlock.getHeader().getHeight() == 0) {
        return;
    }
    if (bestBlock.getHeader().getHash().equals(lastBestHash) && bestBlock.getHeader().getTime() < (TimeService.currentTimeMillis() - RESET_TIME_INTERVAL)) {
        lastBestHash = bestBlock.getHeader().getHash();
        NulsContext.getServiceBean(ConsensusPocServiceImpl.class).reset();
        return;
    }
    lastBestHash = bestBlock.getHeader().getHash();
    List<Block> blockList = chainManager.getMasterChain().getChain().getAllBlockList();
    int minCount = 3;
    if (blockList.size() < minCount) {
        return;
    }
    int count = 0;
    Set<String> addressSet = new HashSet<>();
    for (int i = blockList.size() - 1; i >= 0; i--) {
        Block block = blockList.get(i);
        addressSet.add(block.getHeader().getPackingAddressStr());
        count++;
        if (count > minCount) {
            break;
        }
    }
    DownloadService downloadService = NulsContext.getServiceBean(DownloadService.class);
    if (count > minCount && addressSet.size() == 1 && ConsensusConfig.getSeedNodeList().size() > 1) {
        // NulsContext.getServiceBean(ConsensusPocServiceImpl.class).reset();
        return;
    }
    if (downloadService.isDownloadSuccess().isSuccess() && bestBlock.getHeader().getTime() < (TimeService.currentTimeMillis() - RESET_TIME_INTERVAL)) {
    // NulsContext.getServiceBean(ConsensusPocServiceImpl.class).reset();
    }
}

Example 10 with Block

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

the class CacheLoader method loadBlocks.

/**
 * 从数据存储中加载指定个数的最新块
 * Loads the latest block of the specified number from the data store.
 *
 * @param size 加载数量/load count
 * @return 区块列表/block list
 */
public List<Block> loadBlocks(int size) {
    List<Block> blockList = new ArrayList<>();
    Block block = blockService.getBestBlock().getData();
    if (null == block) {
        return blockList;
    }
    for (int i = size; i >= 0; i--) {
        if (block == null) {
            break;
        }
        blockList.add(0, block);
        if (block.getHeader().getHeight() == 0L) {
            break;
        }
        NulsDigestData preHash = block.getHeader().getPreHash();
        block = blockService.getBlock(preHash).getData();
        if (block == null || block.getHeader().getHeight() == 0L) {
            break;
        }
    }
    return blockList;
}