Examples with BlockHeader io.nuls.core.chain.entity.BlockHeader used on opensource projects

Example 11 with BlockHeader

use of io.nuls.core.chain.entity.BlockHeader in project nuls by nuls-io.

the class HeaderHashValidator method validate.

@Override
public ValidateResult validate(BlockHeader data) {
    ValidateResult result = ValidateResult.getSuccessResult();
    NulsDigestData hash = data.getHash();
    P2PKHScriptSig scriptSig = data.getScriptSig();
    NulsDigestData cfmHash = null;
    try {
        BlockHeader newHeader = new BlockHeader();
        newHeader.parse(data.serialize());
        cfmHash = newHeader.getHash();
    } catch (Exception e) {
        Log.error(e);
    } finally {
        data.setScriptSig(scriptSig);
    }
    if (!cfmHash.getDigestHex().equals(hash.getDigestHex())) {
        result = ValidateResult.getFailedResult(ERROR_MESSAGE);
    }
    return result;
}

Example 12 with BlockHeader

use of io.nuls.core.chain.entity.BlockHeader in project nuls by nuls-io.

the class HeaderPackerValidator method validate.

@Override
public ValidateResult validate(BlockHeader header) {
    BlockHeader preHeader = null;
    try {
        preHeader = NulsContext.getServiceBean(BlockService.class).getBlockHeader(header.getPreHash());
    } catch (NulsException e) {
    // todo
    }
    PocMeetingRound currentRound = consensusManager.getCurrentRound();
    if (header.getHeight() == 0) {
        return ValidateResult.getSuccessResult();
    }
    if (preHeader == null) {
        return ValidateResult.getSuccessResult();
    }
    BlockRoundData roundData = null;
    try {
        roundData = new BlockRoundData(preHeader.getExtend());
    } catch (NulsException e) {
        Log.error(e);
        return ValidateResult.getFailedResult(e.getMessage());
    }
    if (null == currentRound) {
        return ValidateResult.getSuccessResult();
    }
    if (currentRound.getIndex() == roundData.getRoundIndex() && currentRound.getMemberCount() > (roundData.getPackingIndexOfRound() + 1)) {
        if (currentRound.indexOf(header.getPackingAddress()) <= roundData.getPackingIndexOfRound()) {
            return ValidateResult.getFailedResult(ERROR_MESSAGE);
        }
    }
    byte[] packingHash160 = AccountTool.getHash160ByAddress(header.getPackingAddress());
    byte[] hash160InScriptSig = header.getScriptSig().getSignerHash160();
    if (!Arrays.equals(packingHash160, hash160InScriptSig)) {
        return ValidateResult.getFailedResult(ERROR_MESSAGE);
    }
    BlockRoundData nowRoundData = null;
    try {
        nowRoundData = new BlockRoundData(header.getExtend());
    } catch (NulsException e) {
        Log.error(e);
        return ValidateResult.getFailedResult(ERROR_MESSAGE);
    }
    if (!isAdjacent(roundData, nowRoundData)) {
        return ValidateResult.getFailedResult(ERROR_MESSAGE);
    }
    return ValidateResult.getSuccessResult();
}

Example 13 with BlockHeader

use of io.nuls.core.chain.entity.BlockHeader in project nuls by nuls-io.

the class BlockCacheBuffer method getBlock.

public Block getBlock(String hash) {
    if (null == txsCacheMap || headerCacheMap == null) {
        return null;
    }
    List<Transaction> txs = txsCacheMap.get(hash);
    BlockHeader header = headerCacheMap.get(hash);
    if (null == header || null == txs || txs.isEmpty()) {
        return null;
    }
    Block block = new Block();
    block.setHeader(header);
    block.setTxs(txs);
    return block;
}

Example 14 with BlockHeader

use of io.nuls.core.chain.entity.BlockHeader in project nuls by nuls-io.

the class BlockStorageService method save.

public void save(Block block) {
    BlockHeader header = block.getHeader();
    header.setSize(block.size());
    headerDao.save(ConsensusTool.toPojo(header));
}

Example 15 with BlockHeader

use of io.nuls.core.chain.entity.BlockHeader in project nuls by nuls-io.

the class BlockStorageService method getBlockHeaderList.

public List<BlockHeader> getBlockHeaderList(long startHeight, long endHeight, long split) {
    List<BlockHeaderPo> strList = this.headerDao.getHashList(startHeight, endHeight, split);
    Map<Long, BlockHeader> headerMap = new HashMap<>();
    for (BlockHeaderPo po : strList) {
        BlockHeader header = new BlockHeader();
        header.setHash(NulsDigestData.fromDigestHex(po.getHash()));
        header.setHeight(po.getHeight());
        headerMap.put(po.getHeight(), header);
    }
    if ((endHeight - startHeight + 1) == headerMap.size()) {
        return new ArrayList<>(headerMap.values());
    }
    List<BlockHeader> headerList = new ArrayList<>();
    for (long i = startHeight; i <= endHeight; i++) {
        if (headerMap.containsKey(i)) {
            headerList.add(headerMap.get(i));
            continue;
        }
        BlockHeader header = blockCacheManager.getBlockHeader(i);
        if (null == header) {
            Block block = blockCacheManager.getBlock(i);
            if (null != block) {
                header = block.getHeader();
            }
        }
        if (null != header) {
            headerList.add(header);
        }
    }
    return headerList;
}