Examples with Block org.aion.zero.impl.types.Block used on opensource projects

Example 86 with Block

use of org.aion.zero.impl.types.Block in project aion by aionnetwork.

the class AionBlockStore method getThreeGenerationBlocksByHashWithInfo.

/**
 * Retrieves three generation blocks with unity protocol info.
 * <p>
 * Always returns a 3-element array. If the blocks cannot be retrieved the array will contain null values.
 * Block[0] is the parent block and has the given hash. Block[1] is the grandparent block.
 * Block[2] is the great grandparent block.
 *
 * @param hash the hash of the parent block
 * @return the retrieved three generation blocks with unity protocol info
 */
public final Block[] getThreeGenerationBlocksByHashWithInfo(byte[] hash) {
    Block[] blockFamily = new Block[] { null, null, null };
    if (hash == null) {
        return blockFamily;
    }
    lock.lock();
    try {
        Block block = getBlockWithInfo(hash);
        if (block != null) {
            blockFamily[0] = block;
            Block parentBlock = getBlockWithInfo(block.getParentHash());
            if (parentBlock != null) {
                blockFamily[1] = parentBlock;
                Block grandParentBlock = getBlockWithInfo(parentBlock.getParentHash());
                if (grandParentBlock != null) {
                    blockFamily[2] = grandParentBlock;
                }
            }
        }
        return blockFamily;
    } finally {
        lock.unlock();
    }
}

Example 87 with Block

use of org.aion.zero.impl.types.Block in project aion by aionnetwork.

the class AionBlockStore method dumpPastBlocks.

public String dumpPastBlocks(long numberOfBlocks, String reportsFolder) throws IOException {
    lock.lock();
    try {
        long firstBlock = getMaxNumber();
        if (firstBlock < 0) {
            return null;
        }
        long lastBlock = firstBlock - numberOfBlocks;
        File file = new File(reportsFolder, System.currentTimeMillis() + "-blocks-report.out");
        BufferedWriter writer = new BufferedWriter(new FileWriter(file));
        while (firstBlock > lastBlock && firstBlock >= 0) {
            List<BlockInfo> levelBlocks = getBlockInfoForLevel(firstBlock);
            writer.append("Blocks at level " + firstBlock + ":");
            writer.newLine();
            for (BlockInfo bi : levelBlocks) {
                writer.append("\nBlock hash from index database: " + Hex.toHexString(bi.getHash()) + "\nTotal Difficulty: " + bi.getTotalDifficulty() + "\nBlock on main chain: " + String.valueOf(bi.isMainChain()).toUpperCase());
                writer.newLine();
                Block blk = blocks.get(bi.getHash());
                if (blk != null) {
                    writer.append("\nFull block data:\n");
                    writer.append(blk.toString());
                    writer.newLine();
                } else {
                    writer.append("Retrieved block data is null.");
                }
            }
            writer.newLine();
            firstBlock--;
        }
        writer.close();
        return file.getName();
    } finally {
        lock.unlock();
    }
}

Example 88 with Block

use of org.aion.zero.impl.types.Block in project aion by aionnetwork.

the class AionBlockStore method getBlocksByNumber.

public List<Block> getBlocksByNumber(long number) {
    if (number < 0) {
        return null;
    }
    lock.lock();
    try {
        List<Block> result = new ArrayList<>();
        if (number >= index.size()) {
            return result;
        }
        List<BlockInfo> blockInfos = index.get(number);
        for (BlockInfo blockInfo : blockInfos) {
            byte[] hash = blockInfo.getHash();
            Block block = getBlockByHashWithInfo(hash);
            if (block == null) {
                throw new NullPointerException("Can find the block in the database!");
            }
            result.add(block);
        }
        return result;
    } finally {
        lock.unlock();
    }
}

Example 89 with Block

use of org.aion.zero.impl.types.Block in project aion by aionnetwork.

the class AionBlockStore method logBranchingDetails.

private void logBranchingDetails() {
    if (branchingLevel > 0 && LOG_CONS.isDebugEnabled()) {
        LOG_CONS.debug("Branching details start: level[{}]", branchingLevel);
        LOG_CONS.debug("===== Block details before branch =====");
        while (!preBranchingBlk.isEmpty()) {
            Block blk = preBranchingBlk.pop();
            LOG_CONS.debug("blk: {}", blk.toString());
        }
        LOG_CONS.debug("===== Block details after branch =====");
        while (!branchingBlk.isEmpty()) {
            Block blk = branchingBlk.pop();
            LOG_CONS.debug("blk: {}", blk.toString());
        }
        LOG_CONS.debug("Branching details end");
    }
    // reset branching block details
    branchingLevel = 0;
    branchingBlk.clear();
    preBranchingBlk.clear();
}

Example 90 with Block

use of org.aion.zero.impl.types.Block in project aion by aionnetwork.

the class AionBlockStore method getBestBlock.

/**
 *  Get current highest block data, usually use this method when the kernel need to know the
 *  block information itself.
 * @return highest block data stored at the block database
 * @see #getBestBlockWithInfo()
 */
public Block getBestBlock() {
    lock.lock();
    try {
        long maxLevel = index.size() - 1L;
        if (maxLevel < 0) {
            return null;
        }
        Block bestBlock = getChainBlockByNumber(maxLevel);
        if (bestBlock != null) {
            return bestBlock;
        }
        int depth = 0;
        while (bestBlock == null && depth < 128) {
            --maxLevel;
            bestBlock = getChainBlockByNumber(maxLevel);
            ++depth;
        }
        if (bestBlock == null) {
            LOG.error("Encountered a kernel database corruption: cannot find blockInfos at level {} in index data store. " + "Or the branch is too deep, it should not happens. " + "Please shutdown the kernel and rollback the database by executing:\t./aion.sh -n <network> -r {}", maxLevel, maxLevel - 1);
            throw new IllegalStateException("Index DB corruption or branch too deep.");
        }
        return bestBlock;
    } finally {
        lock.unlock();
    }
}