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

Example 66 with BlockHeader

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

the class NodeBlockProcessorUnclesTest method addBlockWithTwoKnownUncles.

@Test
public void addBlockWithTwoKnownUncles() {
    BlockChainBuilder blockChainBuilder = new BlockChainBuilder();
    BlockChainImpl blockChain = blockChainBuilder.build();
    org.ethereum.db.BlockStore blockStore = blockChainBuilder.getBlockStore();
    NodeBlockProcessor processor = createNodeBlockProcessor(blockChain);
    Block genesis = blockChain.getBestBlock();
    BlockBuilder blockBuilder = new BlockBuilder(blockChain, null, blockStore).trieStore(blockChainBuilder.getTrieStore());
    blockBuilder.parent(blockChain.getBestBlock());
    Block block1 = blockBuilder.parent(genesis).build();
    Block uncle1 = blockBuilder.parent(genesis).build();
    Block uncle2 = blockBuilder.parent(genesis).build();
    List<BlockHeader> uncles = new ArrayList<>();
    uncles.add(uncle1.getHeader());
    uncles.add(uncle2.getHeader());
    Block block2 = blockBuilder.parent(block1).uncles(uncles).build();
    processor.processBlock(null, block1);
    processor.processBlock(null, uncle1);
    processor.processBlock(null, uncle2);
    SimplePeer sender = new SimplePeer();
    processor.processBlock(sender, block2);
    Assert.assertEquals(2, blockChain.getBestBlock().getNumber());
    Assert.assertArrayEquals(block2.getHash().getBytes(), blockChain.getBestBlockHash());
    Assert.assertTrue(sender.getGetBlockMessages().isEmpty());
}

Example 67 with BlockHeader

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

the class HashRateCalculatorTest method init.

@Before
public void init() {
    blockStore = Mockito.mock(BlockStore.class);
    block = Mockito.mock(Block.class);
    blockHeader = Mockito.mock(BlockHeader.class);
    Mockito.when(block.getHeader()).thenReturn(blockHeader);
    Mockito.when(block.getHash()).thenReturn(new Keccak256(FAKE_GENERIC_HASH));
    Mockito.when(blockHeader.getParentHash()).thenReturn(new Keccak256(FAKE_GENERIC_HASH)).thenReturn(new Keccak256(OHTER_FAKE_GENERIC_HASH)).thenReturn(new Keccak256(FAKE_GENERIC_HASH)).thenReturn(null);
    Mockito.when(blockHeader.getHash()).thenReturn(new Keccak256(FAKE_GENERIC_HASH));
    Mockito.when(blockStore.getBlockByHash(Mockito.any())).thenReturn(block).thenReturn(block).thenReturn(block).thenReturn(null);
    Mockito.when(blockStore.getBestBlock()).thenReturn(block);
    Mockito.when(blockStore.getBlockByHash(Mockito.any())).thenReturn(block);
}

Example 68 with BlockHeader

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

the class ForkDetectionDataRuleTest method invalidForRskip110ActiveAndForkDetectionDataBecauseDataDoesNotMatch.

@Test
public void invalidForRskip110ActiveAndForkDetectionDataBecauseDataDoesNotMatch() {
    long blockNumber = 4242;
    enableRulesAt(blockNumber, ConsensusRule.RSKIP110);
    Keccak256 parentBlockHash = new Keccak256(getRandomHash());
    int requiredBlocksForForkDataCalculation = 449;
    List<BlockHeader> previousBlocks = IntStream.range(0, requiredBlocksForForkDataCalculation).mapToObj(i -> mock(BlockHeader.class)).collect(Collectors.toList());
    ConsensusValidationMainchainView mainchainView = mock(ConsensusValidationMainchainView.class);
    when(mainchainView.get(parentBlockHash, requiredBlocksForForkDataCalculation)).thenReturn(previousBlocks);
    ForkDetectionDataCalculator calculator = mock(ForkDetectionDataCalculator.class);
    Keccak256 blockHash = new Keccak256(getRandomHash());
    byte[] forkDetectionData = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 };
    when(calculator.calculateWithBlockHeaders(previousBlocks)).thenReturn(forkDetectionData);
    ForkDetectionDataRule rule = new ForkDetectionDataRule(activationConfig, mainchainView, calculator, requiredBlocksForForkDataCalculation);
    BlockHeader header = mock(BlockHeader.class);
    when(header.getNumber()).thenReturn(blockNumber);
    when(header.getHash()).thenReturn(blockHash);
    when(header.getParentHash()).thenReturn(parentBlockHash);
    byte[] headerForkDetectionData = new byte[] { 1, 2, 3, 4, 5, 6, 42, 8, 9, 10, 11, 12 };
    when(header.getMiningForkDetectionData()).thenReturn(headerForkDetectionData);
    assertFalse(rule.isValid(header));
}

Example 69 with BlockHeader

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

the class ForkDetectionDataRuleTest method validForBlocksBeforeRskip110.

@Test
public void validForBlocksBeforeRskip110() {
    long blockNumber = 4242;
    ForkDetectionDataRule rule = new ForkDetectionDataRule(activationConfig, mock(ConsensusValidationMainchainView.class), mock(ForkDetectionDataCalculator.class), 449);
    BlockHeader header = mock(BlockHeader.class);
    when(header.getNumber()).thenReturn(blockNumber);
    assertTrue(rule.isValid(header));
}

Example 70 with BlockHeader

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

the class ForkDetectionDataRuleTest method validForRskip110ActiveAndForkDetectionData.

@Test
public void validForRskip110ActiveAndForkDetectionData() {
    long blockNumber = 4242;
    enableRulesAt(blockNumber, ConsensusRule.RSKIP110);
    Keccak256 parentBlockHash = new Keccak256(getRandomHash());
    int requiredBlocksForForkDataCalculation = 449;
    List<BlockHeader> previousBlocks = IntStream.range(0, requiredBlocksForForkDataCalculation).mapToObj(i -> mock(BlockHeader.class)).collect(Collectors.toList());
    ConsensusValidationMainchainView mainchainView = mock(ConsensusValidationMainchainView.class);
    when(mainchainView.get(parentBlockHash, requiredBlocksForForkDataCalculation)).thenReturn(previousBlocks);
    ForkDetectionDataCalculator calculator = mock(ForkDetectionDataCalculator.class);
    Keccak256 blockHash = new Keccak256(getRandomHash());
    byte[] forkDetectionData = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 };
    when(calculator.calculateWithBlockHeaders(previousBlocks)).thenReturn(forkDetectionData);
    ForkDetectionDataRule rule = new ForkDetectionDataRule(activationConfig, mainchainView, calculator, requiredBlocksForForkDataCalculation);
    BlockHeader header = mock(BlockHeader.class);
    when(header.getNumber()).thenReturn(blockNumber);
    when(header.getHash()).thenReturn(blockHash);
    when(header.getParentHash()).thenReturn(parentBlockHash);
    when(header.getMiningForkDetectionData()).thenReturn(forkDetectionData);
    assertTrue(rule.isValid(header));
}