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

Example 76 with Blockchain

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

the class ThreeAsyncNodeUsingSyncProcessorTest method synchronizeWithTwoPeers200AndOneFails.

@Test
public void synchronizeWithTwoPeers200AndOneFails() {
    Blockchain b1 = BlockChainBuilder.ofSize(200, true);
    Blockchain b2 = BlockChainBuilder.ofSize(0, true);
    SimpleAsyncNode node1 = SimpleAsyncNode.createDefaultNode(b1);
    SimpleAsyncNode node2 = SimpleAsyncNode.createDefaultNode(b1);
    SyncConfiguration syncConfiguration = new SyncConfiguration(2, 1, 0, 1, 20, 192);
    SimpleAsyncNode node3 = SimpleAsyncNode.createNode(b2, syncConfiguration);
    Assert.assertEquals(200, node1.getBestBlock().getNumber());
    Assert.assertEquals(200, node2.getBestBlock().getNumber());
    Assert.assertEquals(0, node3.getBestBlock().getNumber());
    node1.sendFullStatusTo(node3);
    node2.sendFullStatusTo(node3);
    // sync setup
    int setupRequests = SyncUtils.syncSetupRequests(200, 0, SyncConfiguration.IMMEDIATE_FOR_TESTING);
    node3.waitUntilNTasksWithTimeout(setupRequests);
    node3.waitUntilNTasksWithTimeout(5);
    // synchronize 200 (extra tasks are from old sync protocol messages)
    BodyResponseMessage response = new BodyResponseMessage(new Random().nextLong(), null, null);
    node3.getSyncProcessor().registerExpectedMessage(response);
    node3.getSyncProcessor().processBodyResponse(node1.getMessageChannel(node3), response);
    node3.waitExactlyNTasksWithTimeout(200 + setupRequests - 15);
    Assert.assertTrue(node1.getSyncProcessor().getExpectedResponses().isEmpty());
    Assert.assertTrue(node3.getSyncProcessor().getExpectedResponses().isEmpty());
    Assert.assertEquals(200, node3.getBestBlock().getNumber());
    Assert.assertEquals(node1.getBestBlock().getHash(), node3.getBestBlock().getHash());
    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()));
}

Example 77 with Blockchain

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

the class TwoAsyncNodeTest method createNodeWithUncles.

private static SimpleAsyncNode createNodeWithUncles(int size) {
    final World world = new World();
    final BlockStore store = new BlockStore();
    final Blockchain blockchain = world.getBlockChain();
    List<Block> blocks = new BlockGenerator().getBlockChain(blockchain.getBestBlock(), size, 0, true);
    for (Block b : blocks) blockchain.tryToConnect(b);
    BlockNodeInformation nodeInformation = new BlockNodeInformation();
    SyncConfiguration syncConfiguration = SyncConfiguration.IMMEDIATE_FOR_TESTING;
    BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, syncConfiguration);
    NodeBlockProcessor processor = new NodeBlockProcessor(store, blockchain, nodeInformation, blockSyncService, syncConfiguration);
    NodeMessageHandler handler = new NodeMessageHandler(config, processor, null, null, null, null, null, new DummyBlockValidationRule());
    return new SimpleAsyncNode(handler);
}

Example 78 with Blockchain

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

the class TwoNodeTest method createNode.

private static SimpleNode createNode(int size) {
    final World world = new World();
    final BlockStore store = new BlockStore();
    final Blockchain blockchain = world.getBlockChain();
    List<Block> blocks = new BlockGenerator().getBlockChain(blockchain.getBestBlock(), size);
    for (Block b : blocks) blockchain.tryToConnect(b);
    BlockNodeInformation nodeInformation = new BlockNodeInformation();
    SyncConfiguration syncConfiguration = SyncConfiguration.IMMEDIATE_FOR_TESTING;
    RskSystemProperties config = new RskSystemProperties();
    BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, syncConfiguration);
    NodeBlockProcessor processor = new NodeBlockProcessor(store, blockchain, nodeInformation, blockSyncService, syncConfiguration);
    NodeMessageHandler handler = new NodeMessageHandler(new RskSystemProperties(), processor, null, null, null, null, null, new DummyBlockValidationRule());
    return new SimpleNode(handler);
}

Example 79 with Blockchain

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

the class SimpleAsyncNode method createNodeWithWorldBlockChain.

public static SimpleAsyncNode createNodeWithWorldBlockChain(int size, boolean withUncles, boolean mining) {
    final World world = new World();
    final Blockchain blockchain = world.getBlockChain();
    BlockChainBuilder.extend(blockchain, size, withUncles, mining);
    return createNode(blockchain, SyncConfiguration.IMMEDIATE_FOR_TESTING);
}

Example 80 with Blockchain

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

the class SelectionRuleTest method addBlockTest.

@Test
public void addBlockTest() {
    Blockchain blockchain = createBlockchain();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block lowDifficultyBlock = blockGenerator.createChildBlock(blockchain.getBestBlock(), 0, 1);
    Block highDifficultyBlock = blockGenerator.createChildBlock(lowDifficultyBlock, 0, 5);
    Block highDifficultyBlockWithMoreFees = blockGenerator.createChildBlock(lowDifficultyBlock, 10L, new ArrayList<>(), highDifficultyBlock.getDifficulty().getBytes());
    // diff test
    assertFalse(SelectionRule.shouldWeAddThisBlock(lowDifficultyBlock.getDifficulty(), highDifficultyBlock.getDifficulty(), lowDifficultyBlock, highDifficultyBlock));
    assertTrue(SelectionRule.shouldWeAddThisBlock(highDifficultyBlock.getDifficulty(), lowDifficultyBlock.getDifficulty(), highDifficultyBlock, lowDifficultyBlock));
    // At same difficulty, more fees
    assertTrue(SelectionRule.shouldWeAddThisBlock(highDifficultyBlockWithMoreFees.getDifficulty(), highDifficultyBlock.getDifficulty(), highDifficultyBlockWithMoreFees, highDifficultyBlock));
// Low hash is proved in smallerBlockHashTest
}