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

Example 21 with Transaction

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

the class BlockDbH2Impl method getTransactionWithAccountList.

@Override
public List<Transaction> getTransactionWithAccountList(final UInt160 account) {
    final JdbcTemplate t = new JdbcTemplate(ds);
    final String sql = getSql("getTransactionWithAccountList");
    final byte[] accountBa = account.toByteArray();
    final List<byte[]> dataList = t.queryForList(sql, byte[].class, accountBa);
    final List<Transaction> transactionList = new ArrayList<>();
    for (final byte[] data : dataList) {
        final Transaction transaction = new Transaction(ByteBuffer.wrap(data));
        transactionList.add(transaction);
    }
    return transactionList;
}

Example 22 with Transaction

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

the class BlockDbMapDbImpl method getTransactionWithHash.

@Override
public Transaction getTransactionWithHash(final UInt256 hash) {
    final BTreeMap<byte[], byte[]> map = getTransactionKeyByTransactionHashMap();
    final byte[] hashBa = hash.toByteArray();
    if (!map.containsKey(hashBa)) {
        return null;
    }
    final byte[] txKey = map.get(hashBa);
    final BTreeMap<byte[], byte[]> txMap = getTransactionsByKeyMap();
    final byte[] data = txMap.get(txKey);
    final Transaction transaction = new Transaction(ByteBuffer.wrap(data));
    transaction.recalculateHash();
    return transaction;
}

Example 23 with Transaction

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

the class BlockDbMapDbImpl method getTransactionsForBlock.

/**
 * return the block, with transactions added.
 *
 * @param block
 *            the block, to add transactions to.
 */
private void getTransactionsForBlock(final Block block) {
    final long blockIndex = block.getIndexAsLong();
    final BTreeMap<Long, byte[]> txKeyListMap = getByteArrayByBlockIndexMap(TRANSACTION_KEYS_BY_BLOCK_INDEX);
    final List<byte[]> txKeyBaList = getByteArrayList(txKeyListMap, blockIndex);
    final BTreeMap<byte[], byte[]> txMap = getTransactionsByKeyMap();
    for (final byte[] txKey : txKeyBaList) {
        if (LOG.isTraceEnabled()) {
            LOG.trace("getTransactionsForBlock {} txKey:{}", blockIndex, ModelUtil.toHexString(txKey));
        }
        final byte[] data = txMap.get(txKey);
        final Transaction transaction = new Transaction(ByteBuffer.wrap(data));
        transaction.recalculateHash();
        block.getTransactionList().add(transaction);
    }
}

Example 24 with Transaction

use of neo.model.core.Transaction 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 25 with Transaction

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

the class ModelUtil method getTransactionOutput.

/**
 * returns the transaction output for this coin reference.
 *
 * @param blockDb
 *            the block database to ues.
 * @param coinReference
 *            the coin reference to use.
 * @return the TransactionOutput.
 */
public static TransactionOutput getTransactionOutput(final BlockDb blockDb, final CoinReference coinReference) {
    final UInt256 prevHashReversed = coinReference.prevHash.reverse();
    final Transaction tiTx = blockDb.getTransactionWithHash(prevHashReversed);
    final int prevIndex = coinReference.prevIndex.asInt();
    final TransactionOutput ti = tiTx.outputs.get(prevIndex);
    return ti;
}