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

Example 36 with Blockchain

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

the class TwoAsyncNodeUsingSyncProcessorTest method stopSyncingAfter5SkeletonChunks.

@Test
public void stopSyncingAfter5SkeletonChunks() {
    Blockchain b1 = BlockChainBuilder.ofSize(30, false);
    Blockchain b2 = BlockChainBuilder.copyAndExtend(b1, 2000, false);
    SimpleAsyncNode node1 = SimpleAsyncNode.createNode(b1, SyncConfiguration.IMMEDIATE_FOR_TESTING);
    SimpleAsyncNode node2 = SimpleAsyncNode.createNode(b2, SyncConfiguration.IMMEDIATE_FOR_TESTING);
    Assert.assertEquals(30, node1.getBestBlock().getNumber());
    Assert.assertEquals(2030, node2.getBestBlock().getNumber());
    node2.sendFullStatusTo(node1);
    // sync setup
    node1.waitUntilNTasksWithTimeout(SyncUtils.syncSetupRequests(2030, 30, SyncConfiguration.IMMEDIATE_FOR_TESTING));
    // request bodies
    node1.waitExactlyNTasksWithTimeout(1122);
    Assert.assertTrue(node1.getSyncProcessor().getExpectedResponses().isEmpty());
    Assert.assertTrue(node2.getSyncProcessor().getExpectedResponses().isEmpty());
    Assert.assertEquals(1152, node1.getBestBlock().getNumber());
    Assert.assertEquals(2030, node2.getBestBlock().getNumber());
    node1.joinWithTimeout();
    node2.joinWithTimeout();
    Assert.assertFalse(node1.getSyncProcessor().isPeerSyncing(node2.getNodeID()));
    Assert.assertFalse(node2.getSyncProcessor().isPeerSyncing(node1.getNodeID()));
}

Example 37 with Blockchain

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

the class SimpleAsyncNode method createNodeWithBlockChainBuilder.

// TODO(mc) find out why the following two work differently
public static SimpleAsyncNode createNodeWithBlockChainBuilder(int size) {
    final Blockchain blockchain = BlockChainBuilder.ofSize(0);
    BlockChainBuilder.extend(blockchain, size, false, true);
    return createNode(blockchain, SyncConfiguration.IMMEDIATE_FOR_TESTING);
}

Example 38 with Blockchain

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

the class Web3Mocks method getMockBlockchain.

public static Blockchain getMockBlockchain() {
    Blockchain mockBlockchain = mock(Blockchain.class, RETURNS_DEEP_STUBS);
    when(mockBlockchain.getBestBlock().getNumber()).thenReturn(0L);
    return mockBlockchain;
}

Example 39 with Blockchain

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

the class BlockchainTest method tryToConnectWithCompetingChain.

@Test
public void tryToConnectWithCompetingChain() {
    // Two competing blockchains of the same size (2)
    Blockchain blockchain = createBlockchain();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block block1 = blockGenerator.createChildBlock(blockchain.getBestBlock());
    Block block2 = blockGenerator.createChildBlock(block1, 0, 5);
    Block block1b = blockGenerator.createChildBlock(blockchain.getBestBlock());
    Block block2b = blockGenerator.createChildBlock(block1b, 0, 4);
    // genesis <- block1 <- block2
    // genesis <- block1b <- block2b
    Assert.assertEquals(ImportResult.NO_PARENT, blockchain.tryToConnect(block2));
    Assert.assertEquals(ImportResult.IMPORTED_BEST, blockchain.tryToConnect(block1));
    Assert.assertEquals(ImportResult.IMPORTED_BEST, blockchain.tryToConnect(block2));
    Assert.assertEquals(ImportResult.IMPORTED_NOT_BEST, blockchain.tryToConnect(block1b));
    Assert.assertEquals(ImportResult.EXIST, blockchain.tryToConnect(block1));
    Assert.assertEquals(ImportResult.EXIST, blockchain.tryToConnect(block1b));
    Assert.assertEquals(ImportResult.IMPORTED_NOT_BEST, blockchain.tryToConnect(block2b));
    Assert.assertEquals(blockchain.getBestBlock(), block2);
    Assert.assertEquals(2, block2.getNumber());
}

Example 40 with Blockchain

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

the class BlockchainTest method checkItDoesntAddAnInvalidBlock.

@Test
public void checkItDoesntAddAnInvalidBlock() {
    Blockchain blockchain = createBlockchain();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block block1 = blockGenerator.createChildBlock(blockchain.getBestBlock());
    ImportResult importResult1 = blockchain.tryToConnect(block1);
    assertTrue(importResult1.isSuccessful());
    Block block2 = blockGenerator.createChildBlock(blockchain.getBestBlock());
    Block block2b = blockGenerator.createBlock(10, 5);
    Block block3 = Block.fromValidData(block2.getHeader(), block2b.getTransactionsList(), block2b.getUncleList());
    ImportResult importResult2 = blockchain.tryToConnect(block3);
    Assert.assertFalse(importResult2.isSuccessful());
}