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

Example 1 with Blockchain

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

the class MinerManagerTest method mineBlockWhilePlayingBlocks.

@Test
public void mineBlockWhilePlayingBlocks() {
    World world = new World();
    Blockchain blockchain = world.getBlockChain();
    Assert.assertEquals(0, blockchain.getBestBlock().getNumber());
    RskImplForTest rsk = new RskImplForTest() {

        @Override
        public boolean hasBetterBlockToSync() {
            return false;
        }

        @Override
        public boolean isPlayingBlocks() {
            return true;
        }
    };
    MinerServerImpl minerServer = getMinerServer(blockchain);
    MinerClientImpl minerClient = getMinerClient(rsk, minerServer);
    minerServer.buildBlockToMine(blockchain.getBestBlock(), false);
    Assert.assertFalse(minerClient.mineBlock());
    Assert.assertEquals(0, blockchain.getBestBlock().getNumber());
}

Example 2 with Blockchain

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

the class MinerManagerTest method doWork.

@Test
public void doWork() {
    World world = new World();
    Blockchain blockchain = world.getBlockChain();
    Assert.assertEquals(0, blockchain.getBestBlock().getNumber());
    MinerServerImpl minerServer = getMinerServer(blockchain);
    MinerClientImpl minerClient = getMinerClient(minerServer);
    minerServer.buildBlockToMine(blockchain.getBestBlock(), false);
    minerClient.doWork();
    Assert.assertEquals(1, blockchain.getBestBlock().getNumber());
}

Example 3 with Blockchain

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

the class MinerManagerTest method doWorkInThread.

@Test
public void doWorkInThread() throws Exception {
    World world = new World();
    Blockchain blockchain = world.getBlockChain();
    Assert.assertEquals(0, blockchain.getBestBlock().getNumber());
    MinerServerImpl minerServer = getMinerServer(blockchain);
    MinerClientImpl minerClient = getMinerClient(minerServer);
    minerServer.buildBlockToMine(blockchain.getBestBlock(), false);
    Thread thread = minerClient.createDoWorkThread();
    thread.start();
    try {
        Awaitility.await().timeout(Duration.FIVE_SECONDS).until(new Callable<Boolean>() {

            @Override
            public Boolean call() throws Exception {
                return minerClient.isMining();
            }
        });
        Assert.assertTrue(minerClient.isMining());
    } finally {
        // enought ?
        thread.interrupt();
        minerClient.stop();
    }
}

Example 4 with Blockchain

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

the class MinerManagerTest method doWorkEvenWithoutMinerServer.

@Test
public void doWorkEvenWithoutMinerServer() {
    World world = new World();
    Blockchain blockchain = world.getBlockChain();
    Assert.assertEquals(0, blockchain.getBestBlock().getNumber());
    MinerServerImpl minerServer = getMinerServer(blockchain);
    MinerClientImpl minerClient = getMinerClient(null);
    minerServer.buildBlockToMine(blockchain.getBestBlock(), false);
    minerClient.doWork();
    Assert.assertEquals(0, blockchain.getBestBlock().getNumber());
}

Example 5 with Blockchain

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

the class BlockSyncServiceTest method sendBlockMessagesAndAddThemToBlockchainInReverseOrder.

@Test
public void sendBlockMessagesAndAddThemToBlockchainInReverseOrder() {
    for (int i = 1; i < 52; 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());
        Block initialBestBlock = blockchain.getBestBlock();
        List<Block> extendedChain = new BlockGenerator().getBlockChain(blockchain.getBestBlock(), i);
        Collections.reverse(extendedChain);
        for (int j = 0; j < extendedChain.size() - 1; j++) {
            Block block = extendedChain.get(j);
            blockSyncService.processBlock(block, null, false);
            // we don't have all the parents, so we wait to update the best chain
            Assert.assertEquals(initialBestBlock.getNumber(), blockchain.getBestBlock().getNumber());
            Assert.assertEquals(initialBestBlock.getHash(), blockchain.getBestBlock().getHash());
        }
        // the chain is complete, we have a new best block
        Block closingBlock = extendedChain.get(extendedChain.size() - 1);
        Block newBestBlock = extendedChain.get(0);
        blockSyncService.processBlock(closingBlock, null, false);
        Assert.assertEquals(newBestBlock.getNumber(), blockchain.getBestBlock().getNumber());
        Assert.assertEquals(newBestBlock.getHash(), blockchain.getBestBlock().getHash());
    }
}