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

Example 26 with Blockchain

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

the class NodeBlockProcessorTest method processGetBlockMessageUsingBlockInStore.

@Test
public void processGetBlockMessageUsingBlockInStore() throws UnknownHostException {
    final Block block = new BlockGenerator().getBlock(3);
    final Keccak256 blockHash = block.getHash();
    final BlockStore store = new BlockStore();
    store.saveBlock(block);
    final Blockchain blockchain = BlockChainBuilder.ofSize(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);
    final SimpleMessageChannel sender = new SimpleMessageChannel();
    Assert.assertTrue(nodeInformation.getBlocksByNode(sender.getPeerNodeID()).isEmpty());
    processor.processGetBlock(sender, block.getHash().getBytes());
    Assert.assertTrue(nodeInformation.getBlocksByNode(sender.getPeerNodeID()).contains(blockHash));
    Assert.assertFalse(sender.getMessages().isEmpty());
    Assert.assertEquals(1, sender.getMessages().size());
    final Message message = sender.getMessages().get(0);
    Assert.assertEquals(MessageType.BLOCK_MESSAGE, message.getMessageType());
    final BlockMessage bMessage = (BlockMessage) message;
    Assert.assertEquals(block.getHash(), bMessage.getBlock().getHash());
}

Example 27 with Blockchain

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

the class NodeBlockProcessorTest method processGetBlockHeaderMessageUsingBlockInBlockchain.

@Test
public void processGetBlockHeaderMessageUsingBlockInBlockchain() throws UnknownHostException {
    final Blockchain blockchain = BlockChainBuilder.ofSize(10);
    final Block block = blockchain.getBlockByNumber(5);
    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.processBlockHeadersRequest(sender, 1, block.getHash().getBytes(), 1);
    Assert.assertFalse(sender.getMessages().isEmpty());
    Assert.assertEquals(1, sender.getMessages().size());
    final Message message = sender.getMessages().get(0);
    Assert.assertEquals(MessageType.BLOCK_HEADERS_RESPONSE_MESSAGE, message.getMessageType());
    final BlockHeadersResponseMessage bMessage = (BlockHeadersResponseMessage) message;
    Assert.assertEquals(block.getHeader().getHash(), bMessage.getBlockHeaders().get(0).getHash());
}

Example 28 with Blockchain

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

the class NodeMessageHandlerUtil method createHandler.

public static NodeMessageHandler createHandler(BlockValidationRule validationRule) {
    final World world = new World();
    final BlockStore store = new BlockStore();
    final Blockchain blockchain = world.getBlockChain();
    BlockNodeInformation nodeInformation = new BlockNodeInformation();
    SyncConfiguration syncConfiguration = SyncConfiguration.IMMEDIATE_FOR_TESTING;
    BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, syncConfiguration);
    SyncProcessor syncProcessor = new SyncProcessor(config, blockchain, blockSyncService, RskMockFactory.getPeerScoringManager(), RskMockFactory.getChannelManager(), syncConfiguration, new DummyBlockValidationRule(), DIFFICULTY_CALCULATOR);
    NodeBlockProcessor processor = new NodeBlockProcessor(store, blockchain, nodeInformation, blockSyncService, syncConfiguration);
    return new NodeMessageHandler(config, processor, syncProcessor, new SimpleChannelManager(), null, null, RskMockFactory.getPeerScoringManager(), validationRule);
}

Example 29 with Blockchain

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

the class NodeMessageHandlerUtil method createHandlerWithSyncProcessor.

public static NodeMessageHandler createHandlerWithSyncProcessor(SyncConfiguration syncConfiguration, ChannelManager channelManager) {
    final World world = new World();
    final Blockchain blockchain = world.getBlockChain();
    return createHandlerWithSyncProcessor(blockchain, syncConfiguration, channelManager);
}

Example 30 with Blockchain

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

the class ThreeAsyncNodeUsingSyncProcessorTest method ignoreNewBlockHashesWhenSyncing.

@Test
public void ignoreNewBlockHashesWhenSyncing() {
    Blockchain b1 = BlockChainBuilder.ofSize(30, true);
    Blockchain b2 = BlockChainBuilder.copyAndExtend(b1, 1, true);
    SimpleAsyncNode node1 = SimpleAsyncNode.createNode(b1, SyncConfiguration.IMMEDIATE_FOR_TESTING);
    SimpleAsyncNode node2 = SimpleAsyncNode.createNode(b2, SyncConfiguration.IMMEDIATE_FOR_TESTING);
    SimpleAsyncNode node3 = SimpleAsyncNode.createNodeWithBlockChainBuilder(0);
    Assert.assertEquals(30, node1.getBestBlock().getNumber());
    Assert.assertEquals(31, node2.getBestBlock().getNumber());
    Assert.assertEquals(0, node3.getBestBlock().getNumber());
    node1.sendFullStatusTo(node3);
    // receive the hash of a better block than node1's best
    // while it's syncing with node1
    node3.receiveMessageFrom(node2, new NewBlockHashMessage(node2.getBestBlock().getHash().getBytes()));
    // receive and ignore NewBlockHashMessage
    node3.waitUntilNTasksWithTimeout(1);
    // sync setup
    node3.waitUntilNTasksWithTimeout(SyncUtils.syncSetupRequests(30, 0, SyncConfiguration.IMMEDIATE_FOR_TESTING));
    // synchronize 30 new blocks from node 1
    node3.waitExactlyNTasksWithTimeout(30);
    Assert.assertEquals(30, node1.getBestBlock().getNumber());
    Assert.assertEquals(31, node2.getBestBlock().getNumber());
    Assert.assertEquals(30, node3.getBestBlock().getNumber());
    Assert.assertTrue(node1.getSyncProcessor().getExpectedResponses().isEmpty());
    Assert.assertTrue(node2.getSyncProcessor().getExpectedResponses().isEmpty());
    Assert.assertTrue(node3.getSyncProcessor().getExpectedResponses().isEmpty());
    node1.joinWithTimeout();
    node2.joinWithTimeout();
    node3.joinWithTimeout();
    Assert.assertFalse(node1.getSyncProcessor().isPeerSyncing(node2.getNodeID()));
    Assert.assertFalse(node1.getSyncProcessor().isPeerSyncing(node3.getNodeID()));
    Assert.assertFalse(node2.getSyncProcessor().isPeerSyncing(node1.getNodeID()));
    Assert.assertFalse(node2.getSyncProcessor().isPeerSyncing(node3.getNodeID()));
    Assert.assertFalse(node3.getSyncProcessor().isPeerSyncing(node1.getNodeID()));
    Assert.assertFalse(node2.getSyncProcessor().isPeerSyncing(node2.getNodeID()));
}