Examples with BtcBlock co.rsk.bitcoinj.core.BtcBlock used on opensource projects

Example 36 with BtcBlock

use of co.rsk.bitcoinj.core.BtcBlock in project rskj by rsksmart.

the class RepositoryBlockStoreTest method test.

@Test
public void test() throws Exception {
    // This Is how I produced RepositoryBlockStore_data.ser. I had a bitcoind in regtest with 613 blocks + genesis block
    // NetworkParameters params = RegTestParams.get();
    // Context context = new Context(params);
    // Wallet wallet = new Wallet(context);
    // BlockStore store = new SPVBlockStore(params, new File("spvBlockstore"));
    // AbstractBlockChain chain = new BlockChain(context, wallet, store);
    // PeerGroup peerGroup = new PeerGroup(context, chain);
    // peerGroup.start();
    // final DownloadProgressTracker listener = new DownloadProgressTracker();
    // peerGroup.startBlockChainDownload(listener);
    // listener.await();
    // peerGroup.stop();
    // StoredBlock storedBlock = chain.getChainHead();
    // FileOutputStream fos = new FileOutputStream("RepositoryBlockStore_data.ser");
    // ObjectOutputStream oos = new ObjectOutputStream(fos);
    // for (int i = 0; i < 614; i++) {
    // Triple<byte[], BigInteger , Integer> tripleStoredBlock = new ImmutableTriple<>(storedBlock.getHeader().bitcoinSerialize(), storedBlock.getChainWork(), storedBlock.getHeight());
    // oos.writeObject(tripleStoredBlock);
    // storedBlock = store.get(storedBlock.getHeader().getPrevBlockHash());
    // }
    // oos.close();
    // Read original store
    InputStream fileInputStream = ClassLoader.getSystemResourceAsStream("peg/RepositoryBlockStore_data.ser");
    ObjectInputStream objectInputStream = new ObjectInputStream(fileInputStream);
    Repository repository = new RepositoryImplForTesting();
    RskSystemProperties config = new RskSystemProperties();
    RepositoryBlockStore store = new RepositoryBlockStore(config, repository, PrecompiledContracts.BRIDGE_ADDR);
    for (int i = 0; i < 614; i++) {
        Triple<byte[], BigInteger, Integer> tripleStoredBlock = (Triple<byte[], BigInteger, Integer>) objectInputStream.readObject();
        BtcBlock header = RegTestParams.get().getDefaultSerializer().makeBlock(tripleStoredBlock.getLeft());
        StoredBlock storedBlock = new StoredBlock(header, tripleStoredBlock.getMiddle(), tripleStoredBlock.getRight());
        if (i == 0) {
            store.setChainHead(storedBlock);
        }
        store.put(storedBlock);
    }
    // Create a new instance of the store
    RepositoryBlockStore store2 = new RepositoryBlockStore(config, repository, PrecompiledContracts.BRIDGE_ADDR);
    // Check a specific block that used to fail when we had a bug
    assertEquals(store.get(Sha256Hash.wrap("373941fe83961cf70e181e468abc5f9f7cc440c711c3d06948fa66f3912ed27a")), store2.get(Sha256Hash.wrap("373941fe83961cf70e181e468abc5f9f7cc440c711c3d06948fa66f3912ed27a")));
    // Check new instance content is identical to the original one
    StoredBlock storedBlock = store.getChainHead();
    StoredBlock storedBlock2 = store2.getChainHead();
    int headHeight = storedBlock.getHeight();
    for (int i = 0; i < headHeight; i++) {
        assertNotNull(storedBlock);
        assertEquals(storedBlock, storedBlock2);
        Sha256Hash prevBlockHash = storedBlock.getHeader().getPrevBlockHash();
        storedBlock = store.get(prevBlockHash);
        storedBlock2 = store2.get(prevBlockHash);
    }
}

Example 37 with BtcBlock

use of co.rsk.bitcoinj.core.BtcBlock in project rskj by rsksmart.

the class ReceiveHeadersTest method receiveHeaders.

@Test
public void receiveHeaders() throws IOException {
    final int minBtcBlocks = 1000;
    final int maxBtcBlocks = 2000;
    BridgeStorageProviderInitializer storageInitializer = (BridgeStorageProvider provider, Repository repository, int executionIndex) -> {
        BtcBlockStore btcBlockStore = new RepositoryBlockStore(new RskSystemProperties(), repository, PrecompiledContracts.BRIDGE_ADDR);
        Context btcContext = new Context(networkParameters);
        BtcBlockChain btcBlockChain;
        try {
            btcBlockChain = new BtcBlockChain(btcContext, btcBlockStore);
        } catch (BlockStoreException e) {
            throw new RuntimeException("Error initializing btc blockchain for tests");
        }
        int blocksToGenerate = Helper.randomInRange(minBtcBlocks, maxBtcBlocks);
        BtcBlock lastBlock = Helper.generateAndAddBlocks(btcBlockChain, blocksToGenerate);
        blockToTry = Helper.generateBtcBlock(lastBlock);
    };
    ABIEncoder abiEncoder = (int executionIndex) -> {
        List<BtcBlock> headersToSendToBridge = new ArrayList<>();
        // Send just one header (that's the only case we're interested in measuring atm
        headersToSendToBridge.add(blockToTry);
        Object[] headersEncoded = headersToSendToBridge.stream().map(h -> h.bitcoinSerialize()).toArray();
        return Bridge.RECEIVE_HEADERS.encode(new Object[] { headersEncoded });
    };
    ExecutionStats stats = new ExecutionStats("receiveHeaders");
    executeAndAverage("receiveHeaders", 200, abiEncoder, storageInitializer, Helper.getZeroValueRandomSenderTxBuilder(), Helper.getRandomHeightProvider(10), stats);
    BridgePerformanceTest.addStats(stats);
}