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

Example 51 with Blockchain

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

the class MinerManagerTest method refreshWorkRunOnce.

@Test
public void refreshWorkRunOnce() {
    World world = new World();
    Blockchain blockchain = world.getBlockChain();
    Assert.assertEquals(0, blockchain.getBestBlock().getNumber());
    MinerServerImpl minerServer = getMinerServer(blockchain);
    MinerClientImpl minerClient = getMinerClient(minerServer);
    MinerClientImpl.RefreshWork refreshWork = minerClient.createRefreshWork();
    Assert.assertNotNull(refreshWork);
    try {
        minerServer.buildBlockToMine(blockchain.getBestBlock(), false);
        refreshWork.run();
        Assert.assertTrue(minerClient.mineBlock());
        Assert.assertEquals(1, blockchain.getBestBlock().getNumber());
    } finally {
        refreshWork.cancel();
    }
}

Example 52 with Blockchain

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

the class BlockSyncServiceTest method sendBlockMessageAndAddItToBlockchainWithCommonAncestors.

@Test
public void sendBlockMessageAndAddItToBlockchainWithCommonAncestors() {
    Blockchain blockchain = BlockChainBuilder.ofSize(10);
    BlockStore store = new BlockStore();
    BlockNodeInformation nodeInformation = new BlockNodeInformation();
    RskSystemProperties config = new RskSystemProperties();
    BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, SyncConfiguration.IMMEDIATE_FOR_TESTING);
    Block initialBestBlock = blockchain.getBestBlock();
    Assert.assertEquals(10, initialBestBlock.getNumber());
    Block branchingPoint = blockchain.getBlockByNumber(7);
    BlockGenerator blockGenerator = new BlockGenerator();
    List<Block> extendedChain = blockGenerator.getBlockChain(branchingPoint, 10, 1000000l);
    // we have just surpassed the best branch
    for (int i = 0; i < extendedChain.size(); i++) {
        Block newBestBlock = extendedChain.get(i);
        blockSyncService.processBlock(newBestBlock, null, false);
        Assert.assertEquals(newBestBlock.getNumber(), blockchain.getBestBlock().getNumber());
        Assert.assertEquals(newBestBlock.getHash(), blockchain.getBestBlock().getHash());
    }
}

Example 53 with Blockchain

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

the class BlockSyncServiceTest method sendBlockMessagesAndAddThemToBlockchain.

@Test
public void sendBlockMessagesAndAddThemToBlockchain() {
    for (int i = 0; i < 50; i += 5) {
        Blockchain blockchain = BlockChainBuilder.ofSize(10 * i);
        BlockStore store = new BlockStore();
        BlockNodeInformation nodeInformation = new BlockNodeInformation();
        RskSystemProperties config = new RskSystemProperties();
        BlockSyncService blockSyncService = new BlockSyncService(config, store, blockchain, nodeInformation, SyncConfiguration.IMMEDIATE_FOR_TESTING);
        Assert.assertEquals(10 * i, blockchain.getBestBlock().getNumber());
        List<Block> extendedChain = new BlockGenerator().getBlockChain(blockchain.getBestBlock(), i);
        for (Block block : extendedChain) {
            blockSyncService.processBlock(block, null, false);
            Assert.assertEquals(block.getNumber(), blockchain.getBestBlock().getNumber());
            Assert.assertEquals(block.getHash(), blockchain.getBestBlock().getHash());
        }
    }
}

Example 54 with Blockchain

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

the class NodeBlockProcessorTest method processGetBlockMessageUsingEmptyStore.

@Test
public void processGetBlockMessageUsingEmptyStore() throws UnknownHostException {
    final Block block = new BlockGenerator().getBlock(3);
    final BlockStore store = new BlockStore();
    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()).isEmpty());
    Assert.assertTrue(sender.getMessages().isEmpty());
}

Example 55 with Blockchain

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

the class NodeBlockProcessorTest method processBlockHashRequestMessageUsingBlockInBlockchain.

@Test
public void processBlockHashRequestMessageUsingBlockInBlockchain() throws UnknownHostException {
    final Blockchain blockchain = BlockChainBuilder.ofSize(10);
    final Block block = blockchain.getBlockByNumber(5);
    final Keccak256 blockHash = block.getHash();
    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();
    Assert.assertTrue(nodeInformation.getBlocksByNode(sender.getPeerNodeID()).isEmpty());
    processor.processBlockRequest(sender, 100, 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_RESPONSE_MESSAGE, message.getMessageType());
    final BlockResponseMessage bMessage = (BlockResponseMessage) message;
    Assert.assertEquals(100, bMessage.getId());
    Assert.assertEquals(block.getHash(), bMessage.getBlock().getHash());
}