Examples with Block neo.model.core.Block used on opensource projects

Example 26 with Block

use of neo.model.core.Block in project neo-java by coranos.

the class BlockDbH2Impl method getBlock.

/**
 * return the block at the given height, with transactions attached.
 *
 * @param blockHeight
 *            the block height to use.
 * @param withTransactions
 *            if true, add transactions. If false, only return the block header.
 * @return the block at the given height.
 */
private Block getBlock(final long blockHeight, final boolean withTransactions) {
    synchronized (this) {
        if (closed) {
            return null;
        }
    }
    final JdbcTemplate t = new JdbcTemplate(ds);
    final byte[] indexBa = BlockUtil.getBlockHeightBa(blockHeight);
    final String sql = getSql("getBlockWithIndex");
    final List<byte[]> data = t.queryForList(sql, byte[].class, indexBa);
    if (data.isEmpty()) {
        return null;
    }
    final Block block = new Block(ByteBuffer.wrap(data.get(0)));
    if (withTransactions) {
        getTransactionsForBlock(block);
    }
    return block;
}

Example 27 with Block

use of neo.model.core.Block in project neo-java by coranos.

the class BlockDbH2Impl method validate.

@Override
public void validate() {
    LOG.info("STARTED validate");
    final Block block0 = getBlock(0, false);
    if (!block0.hash.equals(GenesisBlockUtil.GENESIS_HASH)) {
        throw new RuntimeException("height 0 block hash \"" + block0.hash.toHexString() + "\" does not match genesis block hash \"" + GenesisBlockUtil.GENESIS_HASH.toHexString() + "\".");
    }
    long lastInfoMs = System.currentTimeMillis();
    long validBlockHeight = 1;
    final long maxBlockCount = getBlockCount();
    while (validBlockHeight < maxBlockCount) {
        LOG.debug("INTERIM DEBUG validate {} of {} STARTED ", validBlockHeight, maxBlockCount);
        final Block block = getBlock(validBlockHeight, false);
        if (block == null) {
            LOG.error("INTERIM validate {} of {} FAILURE, block not found in blockchain.", validBlockHeight, maxBlockCount);
        } else if (!containsBlockWithHash(block.prevHash)) {
            LOG.error("INTERIM validate {} of {} FAILURE, prevHash {} not found in blockchain.", validBlockHeight, maxBlockCount, block.prevHash.toHexString());
            deleteBlockAtHeight(validBlockHeight);
        } else if (block.getIndexAsLong() != validBlockHeight) {
            LOG.error("INTERIM validate {} of {} FAILURE, indexAsLong {} does not match blockchain.", validBlockHeight, maxBlockCount, block.getIndexAsLong());
            deleteBlockAtHeight(validBlockHeight);
        } else {
            if (System.currentTimeMillis() > (lastInfoMs + 1000)) {
                LOG.info("INTERIM INFO  validate {} of {} SUCCESS ", validBlockHeight, maxBlockCount);
                lastInfoMs = System.currentTimeMillis();
            } else {
                LOG.debug("INTERIM DEBUG validate {} of {} SUCCESS ", validBlockHeight, maxBlockCount);
            }
        }
        validBlockHeight++;
    }
    LOG.info("SUCCESS validate");
}

Example 28 with Block

use of neo.model.core.Block in project neo-java by coranos.

the class BlockDbMapDbImpl method getBlock.

/**
 * return the block at the given height, with transactions attached.
 *
 * @param blockHeight
 *            the block height to use.
 * @param withTransactions
 *            if true, add transactions. If false, only return the block header.
 * @return the block at the given height.
 */
private Block getBlock(final long blockHeight, final boolean withTransactions) {
    synchronized (this) {
        if (closed) {
            return null;
        }
    }
    final BTreeMap<Long, byte[]> map = getBlockHeaderByIndexMap();
    if (!map.containsKey(blockHeight)) {
        return null;
    }
    final Block block = new Block(ByteBuffer.wrap(map.get(blockHeight)));
    if (withTransactions) {
        getTransactionsForBlock(block);
    }
    return block;
}

Example 29 with Block

use of neo.model.core.Block in project neo-java by coranos.

the class BlockDbMapDbImpl method validate.

@Override
public void validate() {
    LOG.info("STARTED validate");
    try {
        final Block block0 = getBlock(0, false);
        if (!block0.hash.equals(GenesisBlockUtil.GENESIS_HASH)) {
            throw new RuntimeException("height 0 block hash \"" + block0.hash.toHexString() + "\" does not match genesis block hash \"" + GenesisBlockUtil.GENESIS_HASH.toHexString() + "\".");
        }
        long lastInfoMs = System.currentTimeMillis();
        long blockHeight = 0;
        long lastGoodBlockIndex = -1;
        final long maxBlockCount = getBlockCount();
        boolean blockHeightNoLongerValid = false;
        final String maxBlockCountStr;
        if (LOG.isDebugEnabled() || LOG.isErrorEnabled()) {
            maxBlockCountStr = NumberFormat.getIntegerInstance().format(maxBlockCount);
        } else {
            maxBlockCountStr = null;
        }
        LOG.info("INTERIM validate, clear account list STARTED");
        final BTreeMap<byte[], byte[]> assetAndValueByAccountMap = getAssetAndValueByAccountMap();
        assetAndValueByAccountMap.clear();
        LOG.info("INTERIM validate, clear account list SUCCESS");
        LOG.info("INTERIM validate, clear transaction output state STARTED");
        getTransactionByAccountAndIndexMap().clear();
        getTransactionByAccountMaxIndexMap().clear();
        LOG.info("INTERIM validate, clear  transaction output state SUCCESS");
        while (blockHeight < maxBlockCount) {
            final String blockHeightStr;
            if (LOG.isDebugEnabled() || LOG.isErrorEnabled()) {
                blockHeightStr = NumberFormat.getIntegerInstance().format(blockHeight);
            } else {
                blockHeightStr = null;
            }
            LOG.debug("INTERIM DEBUG validate {} of {} STARTED ", blockHeightStr, maxBlockCountStr);
            final Block block = getBlock(blockHeight, true);
            if (block == null) {
                LOG.error("INTERIM validate {} of {} FAILURE, block not found in blockchain.", blockHeightStr, maxBlockCountStr);
                blockHeightNoLongerValid = true;
            } else if ((blockHeight != 0) && (!containsBlockWithHash(block.prevHash))) {
                LOG.error("INTERIM validate {} of {} FAILURE, prevHash {} not found in blockchain.", blockHeightStr, maxBlockCountStr, block.prevHash.toHexString());
                deleteBlockAtHeight(blockHeight);
                blockHeightNoLongerValid = true;
            } else if (block.getIndexAsLong() != blockHeight) {
                LOG.error("INTERIM validate {} of {} FAILURE, indexAsLong {} does not match blockchain.", blockHeightStr, maxBlockCountStr, block.getIndexAsLong());
                deleteBlockAtHeight(blockHeight);
                blockHeightNoLongerValid = true;
            } else if (blockHeightNoLongerValid) {
                LOG.error("INTERIM validate {} of {} FAILURE, block height tainted.", blockHeightStr, maxBlockCountStr, block.getIndexAsLong());
                deleteBlockAtHeight(blockHeight);
            } else {
                if (System.currentTimeMillis() > (lastInfoMs + 30000)) {
                    final String numberOfAccountsStr = NumberFormat.getIntegerInstance().format(assetAndValueByAccountMap.size());
                    LOG.info("INTERIM INFO  validate {} of {} SUCCESS, number of accounts:{}; date:{}", blockHeightStr, maxBlockCountStr, numberOfAccountsStr, block.getTimestamp());
                    lastInfoMs = System.currentTimeMillis();
                } else {
                    LOG.debug("INTERIM DEBUG validate {} of {} SUCCESS.", blockHeightStr, maxBlockCountStr);
                }
                final long blockIndex = block.getIndexAsLong();
                int transactionIndex = 0;
                final Map<ByteBuffer, byte[]> txKeyByTxHashMap = new TreeMap<>();
                for (final Transaction transaction : block.getTransactionList()) {
                    final byte[] transactionKeyBa = getTransactionKey(blockIndex, transactionIndex);
                    txKeyByTxHashMap.put(ByteBuffer.wrap(transaction.getHash().toByteArray()), transactionKeyBa);
                    transactionIndex++;
                }
                putWithByteBufferKey(TRANSACTION_KEY_BY_HASH, txKeyByTxHashMap);
                try {
                    updateAssetAndValueByAccountMap(block, false);
                } catch (final Exception e) {
                    throw new RuntimeException("validate: error updating assets for block [" + block.getIndexAsLong() + "]" + block.hash, e);
                }
                lastGoodBlockIndex = block.getIndexAsLong();
            }
            final boolean forceSynch = (lastGoodBlockIndex % BLOCK_FORCE_SYNCH_INTERVAL) == 0;
            if (forceSynch) {
                LOG.info("INTERIM validate, partial commit STARTED index {}", lastGoodBlockIndex);
                commitValidation(lastGoodBlockIndex);
                LOG.info("INTERIM validate, partial commit SUCCESS index {}", lastGoodBlockIndex);
            }
            blockHeight++;
        }
        LOG.info("INTERIM validate, commit STARTED index {}", lastGoodBlockIndex);
        commitValidation(lastGoodBlockIndex);
        LOG.info("INTERIM validate, commit SUCCESS index {}", lastGoodBlockIndex);
        LOG.info("SUCCESS validate");
    } catch (final Exception e) {
        LOG.error("FAILURE validate", e);
        db.rollback();
        throw new RuntimeException(e);
    }
}

Example 30 with Block

use of neo.model.core.Block in project neo-java by coranos.

the class BlockDbH2Impl method getBlock.

/**
 * returns the block with the given hash.
 *
 * @param hash
 *            the hash to use.
 * @param withTransactions
 *            if true, add transactions. If false, only return the block header.
 * @return the block with the given hash.
 */
private Block getBlock(final UInt256 hash, final boolean withTransactions) {
    synchronized (this) {
        if (closed) {
            return null;
        }
    }
    final JdbcTemplate t = new JdbcTemplate(ds);
    final String sql = getSql("getBlockWithHash");
    final List<byte[]> data = t.queryForList(sql, byte[].class, hash.toByteArray());
    if (data.isEmpty()) {
        return null;
    }
    final Block block = new Block(ByteBuffer.wrap(data.get(0)));
    if (withTransactions) {
        getTransactionsForBlock(block);
    }
    return block;
}