Examples with BlockGenerator co.rsk.blockchain.utils.BlockGenerator used on opensource projects

Example 36 with BlockGenerator

use of co.rsk.blockchain.utils.BlockGenerator in project rskj by rsksmart.

the class SyncProcessorTest method processBlockResponseAddsToBlockchain.

@Test
public void processBlockResponseAddsToBlockchain() {
    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);
    BlockResponseMessage response = new BlockResponseMessage(new Random().nextLong(), block);
    processor.registerExpectedMessage(response);
    processor.processBlockResponse(sender, response);
    Assert.assertEquals(11, blockchain.getBestBlock().getNumber());
    Assert.assertArrayEquals(block.getHash().getBytes(), blockchain.getBestBlockHash());
    Assert.assertTrue(processor.getExpectedResponses().isEmpty());
}

Example 37 with BlockGenerator

use of co.rsk.blockchain.utils.BlockGenerator in project rskj by rsksmart.

the class SyncProcessorTest method doesntProcessUnexpectedBodyResponse.

@Test
public void doesntProcessUnexpectedBodyResponse() {
    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));
    Blockchain extended = BlockChainBuilder.copy(blockchain);
    extended.tryToConnect(block);
    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);
    int connectionPoint = 10;
    int step = 192;
    int linkCount = 1;
    processor.startDownloadingBodies(headers, Collections.singletonMap(sender.getPeerNodeID(), buildSkeleton(extended, connectionPoint, step, linkCount)));
    // ((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 invalid body arrives then stops syncing
    Assert.assertFalse(processor.getSyncState().isSyncing());
}

Example 38 with BlockGenerator

use of co.rsk.blockchain.utils.BlockGenerator in project rskj by rsksmart.

the class LogFilterTest method noEventsAfterEmptyBlock.

@Test
public void noEventsAfterEmptyBlock() {
    LogFilter filter = new LogFilter(null, null, false, false);
    Block block = new BlockGenerator().getBlock(1);
    filter.newBlockReceived(block);
    Object[] result = filter.getEvents();
    Assert.assertNotNull(result);
    Assert.assertEquals(0, result.length);
}

Example 39 with BlockGenerator

use of co.rsk.blockchain.utils.BlockGenerator in project rskj by rsksmart.

the class BlockUnclesValidationRuleTest method rejectBlockWithSiblingUncle.

@Test
public void rejectBlockWithSiblingUncle() {
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    Block block1 = blockGenerator.createChildBlock(genesis);
    Block uncle = blockGenerator.createChildBlock(block1);
    List<BlockHeader> uncles = new ArrayList<>();
    uncles.add(uncle.getHeader());
    Block block = blockGenerator.createChildBlock(block1, null, uncles, 1, null);
    BlockChainImpl blockChain = BlockChainImplTest.createBlockChain();
    BlockStore store = blockChain.getBlockStore();
    store.saveBlock(genesis, new BlockDifficulty(BigInteger.valueOf(1)), true);
    store.saveBlock(block1, new BlockDifficulty(BigInteger.valueOf(2)), true);
    BlockUnclesValidationRule rule = new BlockUnclesValidationRule(config, store, 10, 10, new BlockCompositeRule(), new BlockParentCompositeRule());
    Assert.assertFalse(rule.isValid(block));
}

Example 40 with BlockGenerator

use of co.rsk.blockchain.utils.BlockGenerator in project rskj by rsksmart.

the class BlockchainVMTest method testSEND_1.

@Test
public void testSEND_1() {
    NewBlockChainInfo binfo = createNewBlockchain();
    Blockchain blockchain = binfo.blockchain;
    BlockGenerator blockGenerator = new BlockGenerator();
    Block block1 = blockGenerator.createChildBlock(blockchain.getBestBlock(), null, binfo.repository.getRoot());
    List<Transaction> txs = new ArrayList<>();
    Coin transferAmount = Coin.valueOf(100L);
    // Add a single transaction paying to a new address
    byte[] dstAddress = randomAddress();
    BigInteger transactionGasLimit = new BigInteger("21000");
    Coin transactionGasPrice = Coin.valueOf(1);
    Transaction t = new Transaction(ZERO_BYTE_ARRAY, transactionGasPrice.getBytes(), transactionGasLimit.toByteArray(), dstAddress, transferAmount.getBytes(), null, new RskSystemProperties().getBlockchainConfig().getCommonConstants().getChainId());
    t.sign(binfo.faucetKey.getPrivKeyBytes());
    txs.add(t);
    Block block2 = blockGenerator.createChildBlock(block1, txs, binfo.repository.getRoot());
    Assert.assertEquals(ImportResult.IMPORTED_BEST, blockchain.tryToConnect(block1));
    MinerHelper mh = new MinerHelper(binfo.repository, binfo.blockchain);
    mh.completeBlock(block2, block1);
    Assert.assertEquals(ImportResult.IMPORTED_BEST, blockchain.tryToConnect(block2));
    Assert.assertEquals(blockchain.getBestBlock(), block2);
    Assert.assertEquals(2, block2.getNumber());
    Coin srcAmount = faucetAmount.subtract(transferAmount);
    srcAmount = srcAmount.subtract(transactionGasPrice.multiply(transactionGasLimit));
    Assert.assertEquals(binfo.repository.getBalance(new RskAddress(binfo.faucetKey.getAddress())), srcAmount);
    Assert.assertEquals(binfo.repository.getBalance(new RskAddress(dstAddress)), transferAmount);
}