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

Example 6 with BlockHeader

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

the class OrphanBlockProcess method checkHasExist.

/*
     * Check the existence of this block from the forked chain and the isolated chain
     * 从分叉链和孤立链中检查，是否存在该区块
     */
private boolean checkHasExist(NulsDigestData blockHash) {
    for (Iterator<ChainContainer> it = chainManager.getOrphanChains().iterator(); it.hasNext(); ) {
        ChainContainer chainContainer = it.next();
        for (BlockHeader header : chainContainer.getChain().getAllBlockHeaderList()) {
            if (header.getHash().equals(blockHash)) {
                return true;
            }
        }
    }
    for (Iterator<ChainContainer> it = chainManager.getChains().iterator(); it.hasNext(); ) {
        ChainContainer chainContainer = it.next();
        for (BlockHeader header : chainContainer.getChain().getAllBlockHeaderList()) {
            if (header.getHash().equals(blockHash)) {
                return true;
            }
        }
    }
    List<BlockHeader> masterChainBlockHeaderList = chainManager.getMasterChain().getChain().getAllBlockHeaderList();
    int size = (int) (masterChainBlockHeaderList.size() - PocConsensusConstant.MAX_ISOLATED_BLOCK_COUNT * 1.05);
    if (size < 0) {
        size = 0;
    }
    for (int i = masterChainBlockHeaderList.size() - 1; i >= size; i--) {
        if (blockHash.equals(masterChainBlockHeaderList.get(i).getHash())) {
            return true;
        }
    }
    return false;
}

Example 7 with BlockHeader

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

the class ConsensusScheduler method initNulsProtocol.

private void initNulsProtocol() {
    try {
        // 针对第一版本升级时的特殊处理
        NulsVersionManager.init();
        BlockService blockService = NulsContext.getServiceBean(BlockService.class);
        // 获取最新的记录版本信息的高度
        Long consensusVersionHeight = getVersionManagerStorageService().getConsensusVersionHeight();
        if (consensusVersionHeight == null) {
            // todo 正式上线这里会改成1200000L
            consensusVersionHeight = ProtocolConstant.START_CHECK_PROTOCOL_HEIGHT;
        }
        NulsVersionManager.loadVersionByHeight(consensusVersionHeight);
        ProtocolContainer container = NulsVersionManager.getProtocolContainer(NulsContext.MAIN_NET_VERSION);
        if (container != null) {
            NulsContext.MAIN_NET_VERSION_HEIGHT = container.getEffectiveHeight();
        }
        // 获取最新的区块高度
        long bestHeight = blockService.getBestBlockHeader().getData().getHeight();
        // 检查记录的版本最新高度和区块的最新高度是否一致，如果不一致，找出中间相差的块，再做统计
        if (consensusVersionHeight < bestHeight) {
            for (long i = consensusVersionHeight; i <= bestHeight; i++) {
                Result<BlockHeader> result = blockService.getBlockHeader(i);
                if (result.isSuccess()) {
                    NulsProtocolProcess.getInstance().processProtocolUpGrade(result.getData());
                }
            }
        }
    } catch (Exception e) {
        Log.error(e);
        System.exit(-1);
    }
}

Example 8 with BlockHeader

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

the class NulsProtocolProcess method calculateTempProtocols.

private void calculateTempProtocols(BlockExtendsData extendsData, BlockHeader header, Set<String> memberAddressSet) {
    for (ProtocolTempInfoPo tempInfoPo : NulsVersionManager.getTempProtocolContainers().values()) {
        // 如果容器的轮次小于当前出块节点的轮次，说明是新的一轮开始
        if (tempInfoPo.getStatus() != ProtocolContainer.VALID && tempInfoPo.getRoundIndex() < extendsData.getRoundIndex()) {
            // 获取上一个块，得到上一轮的共识节点数量
            Result<BlockHeader> result = getBlockService().getBlockHeader(header.getPreHash());
            BlockHeader preHeader = result.getData();
            BlockExtendsData preExtendsData = new BlockExtendsData(preHeader.getExtend());
            // 计算上一轮的覆盖率
            int rate = calcRate(tempInfoPo, preExtendsData);
            tempInfoPo.setCurrentPercent(rate);
            if (rate < tempInfoPo.getPercent()) {
                tempInfoPo.setStatus(ProtocolContainer.INVALID);
                tempInfoPo.setCurrentDelay(0);
            } else {
                tempInfoPo.setStatus(ProtocolContainer.DELAY_LOCK);
            }
            // 新的轮次开始时，也许会有节点时上一轮已经退出的，因此在这一轮里要去掉
            Iterator<String> iterator = tempInfoPo.getAddressSet().iterator();
            while (iterator.hasNext()) {
                String address = iterator.next();
                if (!memberAddressSet.contains(address)) {
                    iterator.remove();
                }
            }
        }
    }
}

Example 9 with BlockHeader

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

the class NulsProtocolProcess method calculateProtocols.

private void calculateProtocols(BlockExtendsData extendsData, BlockHeader header, Set<String> memberAddressSet) {
    for (ProtocolContainer container : NulsVersionManager.getAllProtocolContainers().values()) {
        // 如果容器的轮次小于当前出块节点的轮次，说明是新的一轮开始
        if (container.getStatus() != ProtocolContainer.VALID && container.getRoundIndex() < extendsData.getRoundIndex()) {
            // 获取上一个块，得到上一轮的共识节点数量
            Result<BlockHeader> result = getBlockService().getBlockHeader(header.getPreHash());
            BlockHeader preHeader = result.getData();
            BlockExtendsData preExtendsData = new BlockExtendsData(preHeader.getExtend());
            // 计算上一轮的覆盖率
            int rate = calcRate(container, preExtendsData);
            container.setCurrentPercent(rate);
            if (rate < container.getPercent()) {
                container.setStatus(ProtocolContainer.INVALID);
                container.setCurrentDelay(0);
            } else {
                container.setStatus(ProtocolContainer.DELAY_LOCK);
            }
            // 新的轮次开始时，也许会有节点时上一轮已经退出的，因此在这一轮里要去掉
            Iterator<String> iterator = container.getAddressSet().iterator();
            if (iterator != null) {
                while (iterator.hasNext()) {
                    String address = iterator.next();
                    if (!memberAddressSet.contains(address)) {
                        iterator.remove();
                    }
                }
            }
        }
    }
}

Example 10 with BlockHeader

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

the class BifurcationUtil method validate.

public ValidateResult validate(BlockHeader header) {
    ValidateResult result = ValidateResult.getSuccessResult();
    if (NulsContext.MAIN_NET_VERSION <= 1) {
        return result;
    }
    if (ConsensusConfig.getSeedNodeStringList().indexOf(AddressTool.getStringAddressByBytes(header.getPackingAddress())) >= 0) {
        return result;
    }
    if (header.getHeight() == 0L) {
        return result;
    }
    if (header.getHeight() > NulsContext.getInstance().getBestHeight()) {
        return result;
    }
    BlockHeader otherBlockHeader = blockService.getBlockHeader(header.getHeight()).getData();
    if (null != otherBlockHeader && !otherBlockHeader.getHash().equals(header.getHash()) && Arrays.equals(otherBlockHeader.getPackingAddress(), header.getPackingAddress())) {
        Log.info("-+-+-+-+-+-+-+-+- Received block with the same height and different hashes as the latest local block -+-+-+-+-+-+-+-+- ");
        Log.info("-+-+-+-+-+-+-+-+- height：" + header.getHeight() + ", hash of received block：" + header.getHash().getDigestHex() + ", hash of local latest block：" + otherBlockHeader.getHash().getDigestHex());
        Log.info("-+-+-+-+-+-+-+-+- Packing address of received block：" + AddressTool.getStringAddressByBytes(header.getPackingAddress()) + ", Packing address of local latest block：" + AddressTool.getStringAddressByBytes(otherBlockHeader.getPackingAddress()));
        List<Agent> agentList = PocConsensusContext.getChainManager().getMasterChain().getChain().getAgentList();
        Agent agent = null;
        for (Agent a : agentList) {
            if (a.getDelHeight() > 0) {
                continue;
            }
            if (Arrays.equals(a.getPackingAddress(), header.getPackingAddress())) {
                agent = a;
                break;
            }
        }
        if (null == agent) {
            return result;
        }
        recordEvidence(agent, header, otherBlockHeader);
        if (!isRedPunish(agent)) {
            return result;
        }
        RedPunishTransaction redPunishTransaction = new RedPunishTransaction();
        RedPunishData redPunishData = new RedPunishData();
        redPunishData.setAddress(agent.getAgentAddress());
        long txTime = 0;
        try {
            // 连续3轮 每一轮两个区块头作为证据 一共 3 * 2 个区块头作为证据
            byte[][] headers = new byte[NulsContext.REDPUNISH_BIFURCATION * 2][];
            List<Evidence> list = bifurcationEvidenceMap.get(AddressTool.getStringAddressByBytes(agent.getPackingAddress()));
            for (int i = 0; i < list.size() && i < NulsContext.REDPUNISH_BIFURCATION; i++) {
                Evidence evidence = list.get(i);
                int s = i * 2;
                headers[s] = evidence.getBlockHeader1().serialize();
                headers[++s] = evidence.getBlockHeader2().serialize();
                txTime = (evidence.getBlockHeader1().getTime() + evidence.getBlockHeader2().getTime()) / 2;
            }
            redPunishData.setEvidence(ArraysTool.concatenate(headers));
        } catch (Exception e) {
            Log.error(e);
            return result;
        }
        redPunishData.setReasonCode(PunishReasonEnum.BIFURCATION.getCode());
        redPunishTransaction.setTxData(redPunishData);
        redPunishTransaction.setTime(txTime);
        CoinData coinData = null;
        try {
            coinData = ConsensusTool.getStopAgentCoinData(agent, redPunishTransaction.getTime() + PocConsensusConstant.RED_PUNISH_LOCK_TIME);
        } catch (IOException e) {
            Log.error(e);
            return result;
        }
        redPunishTransaction.setCoinData(coinData);
        try {
            redPunishTransaction.setHash(NulsDigestData.calcDigestData(redPunishTransaction.serializeForHash()));
        } catch (IOException e) {
            Log.error(e);
            return result;
        }
        TxMemoryPool.getInstance().add(redPunishTransaction, false);
        return result;
    }
    return result;
}