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

Example 21 with Block

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

the class BlockBatchDownloadUtils method checkHash.

private Result checkHash() throws InterruptedException {
    for (long i = currentRound.getStart(); i <= currentRound.getEnd(); i++) {
        Block block = blockMap.get(i);
        if (null == block) {
            return Result.getFailed("data error");
        }
        if ((i - currentRound.getStart()) % DOWNLOAD_BLOCKS_PER_TIME == 0) {
            NulsDigestData mustHash = blocksHash.getHash(block.getHeader().getHeight());
            NulsDigestData hash = block.getHeader().getHash();
            if (null == hash || null == mustHash || !mustHash.getDigestHex().equals(hash.getDigestHex())) {
                failedExecute(block.getHeader().getHeight());
                return Result.getFailed("hash wrong!");
            }
        }
        String preHash = block.getHeader().getPreHash().getDigestHex();
        Block preBlock = blockMap.get(block.getHeader().getHeight() - 1);
        if (preBlock == null) {
            preBlock = blockService.getBlock(preHash);
        }
        if (null == preBlock || preBlock.getHeader().getHeight() != (block.getHeader().getHeight() - 1)) {
            failedExecute(block.getHeader().getHeight());
            return Result.getFailed("prehash wrong!");
        }
    }
    return Result.getSuccess();
}

Example 22 with Block

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

the class BlockBatchDownloadUtils method verify.

private synchronized void verify() {
    boolean done = true;
    if (nodeStatusMap.isEmpty()) {
        working = false;
        return;
    }
    for (NodeDownloadingStatus status : nodeStatusMap.values()) {
        if (!done) {
            break;
        }
        done = status.finished();
        if (!done && status.getUpdateTime() < (TimeService.currentTimeMillis() - DOWNLOAD_IDLE_TIME_OUT)) {
            nodeStatusMap.remove(status.getNodeId());
            try {
                failedExecute(status);
            } catch (InterruptedException e) {
                Log.error(e);
            }
        }
    }
    if (!done) {
        return;
    }
    Result result;
    try {
        result = checkHash();
    } catch (InterruptedException e) {
        Log.error(e);
        return;
    }
    if (null == result || result.isFailed()) {
        return;
    }
    for (long i = currentRound.getStart(); i <= currentRound.getEnd(); i++) {
        Block block = blockMap.get(i);
        if (null == block) {
            // todo
            Log.error("cache block is null");
            break;
        }
        ValidateResult result1 = block.verify();
        if (result1.isFailed() && result1.getErrorCode() != ErrorCode.ORPHAN_TX) {
            if (null != result1.getMessage()) {
                Log.info(result1.getMessage());
            }
            try {
                failedExecute(block.getHeader().getHeight());
            } catch (InterruptedException e) {
                Log.error(e);
            }
            return;
        }
        blockManager.addBlock(block, false, null);
        receivedTxCacheManager.removeTx(block.getTxHashList());
        confirmingTxCacheManager.putTxList(block.getTxs());
    }
    finished();
}

Example 23 with Block

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

the class BlockServiceImpl method rollbackBlock.

@Override
@DbSession
public void rollbackBlock(long height) {
    Block block = this.getBlock(height);
    if (null == block) {
        return;
    }
    blockManager.rollback(block);
    this.rollback(block.getTxs(), block.getTxs().size() - 1);
    this.ledgerService.deleteTx(block.getHeader().getHeight());
    blockStorageService.delete(block.getHeader().getHash().getDigestHex());
}

Example 24 with Block

use of io.nuls.core.chain.entity.Block 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;
}

Example 25 with Block

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

the class BlockStorageService method getBlock.

public Block getBlock(long height) throws Exception {
    Block block = blockCacheManager.getBlock(height);
    if (null != block && block.getTxs().size() == block.getHeader().getTxCount()) {
        return block;
    }
    BlockHeader header = getBlockHeader(height);
    if (null == header) {
        return null;
    }
    List<Transaction> txList = null;
    try {
        txList = ledgerService.getTxList(height);
    } catch (Exception e) {
        Log.error(e);
    }
    if (header.getTxCount() != txList.size()) {
        Log.warn("block has wrong tx size!");
    }
    return fillBlock(header, txList);
}