Examples with DownloadingBodiesSyncState co.rsk.net.sync.DownloadingBodiesSyncState used on opensource projects

Example 1 with DownloadingBodiesSyncState

use of co.rsk.net.sync.DownloadingBodiesSyncState in project rskj by rsksmart.

the class SyncProcessorTest method processBodyResponseWithTransactionAddsToBlockchain.

@Test
public void processBodyResponseWithTransactionAddsToBlockchain() {
    Account senderAccount = createAccount("sender");
    Account receiverAccount = createAccount("receiver");
    List<Account> accounts = new ArrayList<Account>();
    List<Coin> balances = new ArrayList<>();
    accounts.add(senderAccount);
    balances.add(Coin.valueOf(20000000));
    accounts.add(receiverAccount);
    balances.add(Coin.ZERO);
    final BlockStore store = new BlockStore();
    Blockchain blockchain = BlockChainBuilder.ofSize(0, false, accounts, balances);
    Block genesis = blockchain.getBestBlock();
    SimpleMessageChannel sender = new SimpleMessageChannel(new byte[] { 0x01 });
    Assert.assertEquals(0, blockchain.getBestBlock().getNumber());
    Transaction tx = createTransaction(senderAccount, receiverAccount, BigInteger.valueOf(1000000), BigInteger.ZERO);
    List<Transaction> txs = new ArrayList<>();
    txs.add(tx);
    Block block = new BlockGenerator().createChildBlock(genesis, txs, blockchain.getRepository().getRoot());
    BlockExecutor blockExecutor = new BlockExecutor(config, blockchain.getRepository(), null, blockchain.getBlockStore(), null);
    Assert.assertEquals(1, block.getTransactionsList().size());
    blockExecutor.executeAndFillAll(block, genesis);
    Assert.assertEquals(21000, block.getFeesPaidToMiner().asBigInteger().intValueExact());
    Assert.assertEquals(1, block.getTransactionsList().size());
    Assert.assertEquals(1, block.getNumber());
    Assert.assertArrayEquals(blockchain.getBestBlockHash(), block.getParentHash().getBytes());
    BlockNodeInformation nodeInformation = new BlockNodeInformation();
    RskSystemProperties config = new RskSystemProperties();
    BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, SyncConfiguration.IMMEDIATE_FOR_TESTING);
    SyncProcessor processor = new SyncProcessor(config, blockchain, blockSyncService, RskMockFactory.getPeerScoringManager(), getChannelManager(), SyncConfiguration.IMMEDIATE_FOR_TESTING, new ProofOfWorkRule(config).setFallbackMiningEnabled(false), DIFFICULTY_CALCULATOR);
    processor.setSelectedPeer(sender, StatusUtils.getFakeStatus(), 0);
    List<Transaction> transactions = block.getTransactionsList();
    List<BlockHeader> uncles = block.getUncleList();
    long lastRequestId = new Random().nextLong();
    BodyResponseMessage response = new BodyResponseMessage(lastRequestId, transactions, uncles);
    processor.registerExpectedMessage(response);
    Deque<BlockHeader> headerStack = new ArrayDeque<>();
    headerStack.add(block.getHeader());
    List<Deque<BlockHeader>> headers = new ArrayList<>();
    headers.add(headerStack);
    List<BlockIdentifier> bids = new ArrayList<>();
    bids.add(new BlockIdentifier(blockchain.getBlockByNumber(0).getHash().getBytes(), 0));
    bids.add(new BlockIdentifier(block.getHash().getBytes(), 1));
    processor.startDownloadingBodies(headers, Collections.singletonMap(sender.getPeerNodeID(), bids));
    ((DownloadingBodiesSyncState) processor.getSyncState()).expectBodyResponseFor(lastRequestId, sender.getPeerNodeID(), block.getHeader());
    processor.processBodyResponse(sender, response);
    Assert.assertEquals(1, blockchain.getBestBlock().getNumber());
    Assert.assertArrayEquals(block.getHash().getBytes(), blockchain.getBestBlockHash());
    Assert.assertTrue(processor.getExpectedResponses().isEmpty());
}

Example 2 with DownloadingBodiesSyncState

use of co.rsk.net.sync.DownloadingBodiesSyncState in project rskj by rsksmart.

the class SyncProcessorTest method processBodyResponseAddsToBlockchain.

@Test
public void processBodyResponseAddsToBlockchain() {
    final BlockStore store = new BlockStore();
    Blockchain blockchain = BlockChainBuilder.ofSize(10);
    SimpleMessageChannel sender = new SimpleMessageChannel(new byte[] { 0x01 });
    Assert.assertEquals(10, blockchain.getBestBlock().getNumber());
    Block block = new BlockGenerator().createChildBlock(blockchain.getBlockByNumber(10));
    Assert.assertEquals(11, block.getNumber());
    Assert.assertArrayEquals(blockchain.getBestBlockHash(), block.getParentHash().getBytes());
    BlockNodeInformation nodeInformation = new BlockNodeInformation();
    RskSystemProperties config = new RskSystemProperties();
    BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, SyncConfiguration.IMMEDIATE_FOR_TESTING);
    SyncProcessor processor = new SyncProcessor(config, blockchain, blockSyncService, RskMockFactory.getPeerScoringManager(), getChannelManager(), SyncConfiguration.IMMEDIATE_FOR_TESTING, new ProofOfWorkRule(config).setFallbackMiningEnabled(false), DIFFICULTY_CALCULATOR);
    processor.setSelectedPeer(sender, StatusUtils.getFakeStatus(), 0);
    List<Transaction> transactions = blockchain.getBestBlock().getTransactionsList();
    List<BlockHeader> uncles = blockchain.getBestBlock().getUncleList();
    long lastRequestId = new Random().nextLong();
    BodyResponseMessage response = new BodyResponseMessage(lastRequestId, transactions, uncles);
    processor.registerExpectedMessage(response);
    Deque<BlockHeader> headerStack = new ArrayDeque<>();
    headerStack.add(block.getHeader());
    List<Deque<BlockHeader>> headers = new ArrayList<>();
    headers.add(headerStack);
    List<BlockIdentifier> bids = new ArrayList<>();
    bids.add(new BlockIdentifier(blockchain.getBlockByNumber(0).getHash().getBytes(), 0));
    bids.add(new BlockIdentifier(block.getHash().getBytes(), 1));
    processor.startDownloadingBodies(headers, Collections.singletonMap(sender.getPeerNodeID(), bids));
    ((DownloadingBodiesSyncState) processor.getSyncState()).expectBodyResponseFor(lastRequestId, sender.getPeerNodeID(), block.getHeader());
    processor.processBodyResponse(sender, response);
    Assert.assertEquals(11, blockchain.getBestBlock().getNumber());
    Assert.assertArrayEquals(block.getHash().getBytes(), blockchain.getBestBlockHash());
    Assert.assertTrue(processor.getExpectedResponses().isEmpty());
}

Example 3 with DownloadingBodiesSyncState

use of co.rsk.net.sync.DownloadingBodiesSyncState in project rskj by rsksmart.

the class SyncProcessorTest method doesntProcessInvalidBodyResponse.

@Test
public void doesntProcessInvalidBodyResponse() {
    final BlockStore store = new BlockStore();
    Blockchain blockchain = BlockChainBuilder.ofSize(10);
    SimpleMessageChannel sender = new SimpleMessageChannel(new byte[] { 0x01 });
    Assert.assertEquals(10, blockchain.getBestBlock().getNumber());
    Block block = new BlockGenerator().createChildBlock(blockchain.getBlockByNumber(10));
    Assert.assertEquals(11, block.getNumber());
    Assert.assertArrayEquals(blockchain.getBestBlockHash(), block.getParentHash().getBytes());
    BlockNodeInformation nodeInformation = new BlockNodeInformation();
    RskSystemProperties config = new RskSystemProperties();
    BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, SyncConfiguration.IMMEDIATE_FOR_TESTING);
    SyncProcessor processor = new SyncProcessor(config, blockchain, blockSyncService, RskMockFactory.getPeerScoringManager(), getChannelManager(), SyncConfiguration.IMMEDIATE_FOR_TESTING, new ProofOfWorkRule(config).setFallbackMiningEnabled(false), DIFFICULTY_CALCULATOR);
    processor.setSelectedPeer(sender, StatusUtils.getFakeStatus(), 0);
    List<Transaction> transactions = blockchain.getBestBlock().getTransactionsList();
    List<BlockHeader> uncles = blockchain.getBestBlock().getUncleList();
    Account senderAccount = createAccount("sender");
    Account receiverAccount = createAccount("receiver");
    Transaction tx = createTransaction(senderAccount, receiverAccount, BigInteger.valueOf(1000000), BigInteger.ZERO);
    List<Transaction> txs = new ArrayList<>();
    txs.add(tx);
    long lastRequestId = new Random().nextLong();
    BodyResponseMessage response = new BodyResponseMessage(lastRequestId, txs, uncles);
    processor.registerExpectedMessage(response);
    Deque<BlockHeader> headerStack = new ArrayDeque<>();
    headerStack.add(block.getHeader());
    headerStack.add(block.getHeader());
    headerStack.add(block.getHeader());
    List<Deque<BlockHeader>> headers = new ArrayList<>();
    headers.add(headerStack);
    List<BlockIdentifier> bids = new ArrayList<>();
    bids.add(new BlockIdentifier(blockchain.getBlockByNumber(0).getHash().getBytes(), 0));
    bids.add(new BlockIdentifier(block.getHash().getBytes(), 1));
    processor.startDownloadingBodies(headers, Collections.singletonMap(sender.getPeerNodeID(), bids));
    ((DownloadingBodiesSyncState) processor.getSyncState()).expectBodyResponseFor(lastRequestId, sender.getPeerNodeID(), block.getHeader());
    processor.processBodyResponse(sender, response);
    Assert.assertEquals(10, blockchain.getBestBlock().getNumber());
    Assert.assertNotEquals(block.getNumber(), blockchain.getBestBlock().getNumber());
    // if an unexpected body arrives then stops syncing
    Assert.assertFalse(processor.getSyncState().isSyncing());
}