Examples with Blockchain org.ethereum.core.Blockchain used on opensource projects

Example 61 with Blockchain

use of org.ethereum.core.Blockchain in project rskj by rsksmart.

the class NodeBlockProcessorTest method processSkeletonRequestWithGenesisPlusBestBlockInSkeleton.

@Test
public void processSkeletonRequestWithGenesisPlusBestBlockInSkeleton() throws UnknownHostException {
    int skeletonStep = 192;
    final Blockchain blockchain = BlockChainBuilder.ofSize(skeletonStep / 2);
    final Block blockStart = blockchain.getBlockByNumber(5);
    final Block blockEnd = blockchain.getBlockByNumber(skeletonStep / 2);
    final BlockStore store = new BlockStore();
    BlockNodeInformation nodeInformation = new BlockNodeInformation();
    SyncConfiguration syncConfiguration = SyncConfiguration.IMMEDIATE_FOR_TESTING;
    RskSystemProperties config = new RskSystemProperties();
    BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, syncConfiguration);
    final NodeBlockProcessor processor = new NodeBlockProcessor(store, blockchain, nodeInformation, blockSyncService, syncConfiguration);
    final SimpleMessageChannel sender = new SimpleMessageChannel();
    processor.processSkeletonRequest(sender, 100, 5);
    Assert.assertFalse(sender.getMessages().isEmpty());
    Assert.assertEquals(1, sender.getMessages().size());
    final Message message = sender.getMessages().get(0);
    Assert.assertEquals(MessageType.SKELETON_RESPONSE_MESSAGE, message.getMessageType());
    final SkeletonResponseMessage bMessage = (SkeletonResponseMessage) message;
    Assert.assertEquals(100, bMessage.getId());
    Block genesis = blockchain.getBlockByNumber(0);
    Block bestBlock = blockchain.getBestBlock();
    BlockIdentifier[] expected = { new BlockIdentifier(genesis.getHash().getBytes(), genesis.getNumber()), new BlockIdentifier(bestBlock.getHash().getBytes(), bestBlock.getNumber()) };
    assertBlockIdentifiers(expected, bMessage.getBlockIdentifiers());
}

Example 62 with Blockchain

use of org.ethereum.core.Blockchain in project rskj by rsksmart.

the class NodeBlockProcessorTest method processBlockAddingToBlockchainUsingItsParent.

@Test
public void processBlockAddingToBlockchainUsingItsParent() {
    BlockStore store = new BlockStore();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    store.saveBlock(genesis);
    Blockchain blockchain = BlockChainBuilder.ofSize(10);
    Block parent = blockGenerator.createChildBlock(blockchain.getBlockByNumber(10));
    Block block = blockGenerator.createChildBlock(parent);
    Assert.assertEquals(11, parent.getNumber());
    Assert.assertEquals(12, block.getNumber());
    Assert.assertArrayEquals(blockchain.getBestBlockHash(), parent.getParentHash().getBytes());
    BlockNodeInformation nodeInformation = new BlockNodeInformation();
    SyncConfiguration syncConfiguration = SyncConfiguration.IMMEDIATE_FOR_TESTING;
    RskSystemProperties config = new RskSystemProperties();
    BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, syncConfiguration);
    final NodeBlockProcessor processor = new NodeBlockProcessor(store, blockchain, nodeInformation, blockSyncService, syncConfiguration);
    processor.processBlock(null, block);
    Assert.assertTrue(store.hasBlock(block));
    Assert.assertNull(blockchain.getBlockByHash(block.getHash().getBytes()));
    processor.processBlock(null, parent);
    Assert.assertFalse(store.hasBlock(block));
    Assert.assertFalse(store.hasBlock(parent));
    Assert.assertEquals(12, blockchain.getBestBlock().getNumber());
    Assert.assertArrayEquals(block.getHash().getBytes(), blockchain.getBestBlockHash());
    Assert.assertEquals(1, store.size());
}

Example 63 with Blockchain

use of org.ethereum.core.Blockchain in project rskj by rsksmart.

the class NodeBlockProcessorTest method processBlockWithTooMuchHeight.

@Test
public void processBlockWithTooMuchHeight() throws UnknownHostException {
    final BlockStore store = new BlockStore();
    final MessageChannel sender = new SimpleMessageChannel();
    final Blockchain blockchain = BlockChainBuilder.ofSize(0);
    final Block orphan = new BlockGenerator().createBlock(1000, 0);
    BlockNodeInformation nodeInformation = new BlockNodeInformation();
    SyncConfiguration syncConfiguration = SyncConfiguration.IMMEDIATE_FOR_TESTING;
    RskSystemProperties config = new RskSystemProperties();
    BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, syncConfiguration);
    final NodeBlockProcessor processor = new NodeBlockProcessor(store, blockchain, nodeInformation, blockSyncService, syncConfiguration);
    processor.processBlock(sender, orphan);
    Assert.assertFalse(processor.getNodeInformation().getNodesByBlock(orphan.getHash().getBytes()).size() == 1);
    Assert.assertFalse(store.hasBlock(orphan));
    Assert.assertEquals(0, store.size());
}

Example 64 with Blockchain

use of org.ethereum.core.Blockchain in project rskj by rsksmart.

the class NodeBlockProcessorTest method processSkeletonRequestNotIncludingGenesis.

@Test
public void processSkeletonRequestNotIncludingGenesis() throws UnknownHostException {
    int skeletonStep = 192;
    final Blockchain blockchain = BlockChainBuilder.ofSize(400);
    final BlockStore store = new BlockStore();
    BlockNodeInformation nodeInformation = new BlockNodeInformation();
    SyncConfiguration syncConfiguration = SyncConfiguration.IMMEDIATE_FOR_TESTING;
    RskSystemProperties config = new RskSystemProperties();
    BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, syncConfiguration);
    final NodeBlockProcessor processor = new NodeBlockProcessor(store, blockchain, nodeInformation, blockSyncService, syncConfiguration);
    final SimpleMessageChannel sender = new SimpleMessageChannel();
    processor.processSkeletonRequest(sender, 100, skeletonStep + 5);
    Assert.assertFalse(sender.getMessages().isEmpty());
    Assert.assertEquals(1, sender.getMessages().size());
    final Message message = sender.getMessages().get(0);
    Assert.assertEquals(MessageType.SKELETON_RESPONSE_MESSAGE, message.getMessageType());
    final SkeletonResponseMessage bMessage = (SkeletonResponseMessage) message;
    Assert.assertEquals(100, bMessage.getId());
    Block b1 = blockchain.getBlockByNumber(skeletonStep);
    Block b2 = blockchain.getBlockByNumber(2 * skeletonStep);
    Block b3 = blockchain.getBestBlock();
    BlockIdentifier[] expected = { new BlockIdentifier(b1.getHash().getBytes(), b1.getNumber()), new BlockIdentifier(b2.getHash().getBytes(), b2.getNumber()), new BlockIdentifier(b3.getHash().getBytes(), b3.getNumber()) };
    assertBlockIdentifiers(expected, bMessage.getBlockIdentifiers());
}

Example 65 with Blockchain

use of org.ethereum.core.Blockchain in project rskj by rsksmart.

the class NodeBlockProcessorTest method processTenBlocksInverseOrderAddingToBlockchain.

@Test
public void processTenBlocksInverseOrderAddingToBlockchain() {
    Blockchain blockchain = BlockChainBuilder.ofSize(0);
    BlockStore store = new BlockStore();
    Block genesis = blockchain.getBestBlock();
    List<Block> blocks = new BlockGenerator().getBlockChain(genesis, 10);
    BlockNodeInformation nodeInformation = new BlockNodeInformation();
    SyncConfiguration syncConfiguration = SyncConfiguration.IMMEDIATE_FOR_TESTING;
    RskSystemProperties config = new RskSystemProperties();
    BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, syncConfiguration);
    final NodeBlockProcessor processor = new NodeBlockProcessor(store, blockchain, nodeInformation, blockSyncService, syncConfiguration);
    for (int k = 0; k < 10; k++) processor.processBlock(null, blocks.get(9 - k));
    processor.processBlock(null, genesis);
    Assert.assertEquals(10, blockchain.getBestBlock().getNumber());
    Assert.assertEquals(0, store.size());
}