Examples with BlockStore org.ethereum.db.BlockStore used on opensource projects

Example 16 with BlockStore

use of org.ethereum.db.BlockStore in project rskj by rsksmart.

the class FamilyUtilsTest method getFamilyGetParent.

@Test
public void getFamilyGetParent() {
    BlockStore store = createBlockStore();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    Block block1 = blockGenerator.createChildBlock(genesis);
    store.saveBlock(genesis, TEST_DIFFICULTY, true);
    store.saveBlock(block1, TEST_DIFFICULTY, true);
    Set<Keccak256> family = FamilyUtils.getFamily(store, block1, 6);
    Assert.assertNotNull(family);
    Assert.assertFalse(family.isEmpty());
    Assert.assertEquals(1, family.size());
    Assert.assertTrue(family.contains(genesis.getHash()));
}

Example 17 with BlockStore

use of org.ethereum.db.BlockStore in project rskj by rsksmart.

the class FamilyUtilsTest method getUncles.

@Test
public void getUncles() {
    BlockStore store = createBlockStore();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    Block block1 = blockGenerator.createChildBlock(genesis);
    Block uncle11 = blockGenerator.createChildBlock(genesis);
    Block uncle12 = blockGenerator.createChildBlock(genesis);
    Block block2 = blockGenerator.createChildBlock(block1);
    Block uncle21 = blockGenerator.createChildBlock(block1);
    Block uncle22 = blockGenerator.createChildBlock(block1);
    Block block3 = blockGenerator.createChildBlock(block2);
    Block uncle31 = blockGenerator.createChildBlock(block2);
    Block uncle32 = blockGenerator.createChildBlock(block2);
    store.saveBlock(genesis, TEST_DIFFICULTY, true);
    store.saveBlock(block1, TEST_DIFFICULTY, true);
    store.saveBlock(uncle11, TEST_DIFFICULTY, false);
    store.saveBlock(uncle12, TEST_DIFFICULTY, false);
    store.saveBlock(block2, TEST_DIFFICULTY, true);
    store.saveBlock(uncle21, TEST_DIFFICULTY, false);
    store.saveBlock(uncle22, TEST_DIFFICULTY, false);
    store.saveBlock(block3, TEST_DIFFICULTY, true);
    store.saveBlock(uncle31, TEST_DIFFICULTY, false);
    store.saveBlock(uncle32, TEST_DIFFICULTY, false);
    Set<Keccak256> family = FamilyUtils.getUncles(store, block3, 3);
    Assert.assertNotNull(family);
    Assert.assertFalse(family.isEmpty());
    Assert.assertEquals(4, family.size());
    Assert.assertFalse(family.contains(genesis.getHash()));
    Assert.assertFalse(family.contains(block1.getHash()));
    Assert.assertTrue(family.contains(uncle11.getHash()));
    Assert.assertTrue(family.contains(uncle12.getHash()));
    Assert.assertFalse(family.contains(block2.getHash()));
    Assert.assertTrue(family.contains(uncle21.getHash()));
    Assert.assertTrue(family.contains(uncle22.getHash()));
    Assert.assertFalse(family.contains(block3.getHash()));
    Assert.assertFalse(family.contains(uncle31.getHash()));
    Assert.assertFalse(family.contains(uncle32.getHash()));
}

Example 18 with BlockStore

use of org.ethereum.db.BlockStore in project rskj by rsksmart.

the class BlockForkTest method calculateParentChild.

@Test
public void calculateParentChild() {
    BlockStore store = createBlockStore();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    Block block = blockGenerator.createChildBlock(genesis);
    store.saveBlock(genesis, TEST_DIFFICULTY, true);
    store.saveBlock(block, TEST_DIFFICULTY, true);
    BlockFork fork = new BlockFork();
    fork.calculate(genesis, block, store);
    Assert.assertSame(genesis, fork.getCommonAncestor());
    Assert.assertTrue(fork.getOldBlocks().isEmpty());
    Assert.assertFalse(fork.getNewBlocks().isEmpty());
    Assert.assertEquals(1, fork.getNewBlocks().size());
    Assert.assertSame(block, fork.getNewBlocks().get(0));
}

Example 19 with BlockStore

use of org.ethereum.db.BlockStore in project rskj by rsksmart.

the class BlockForkTest method calculateForkLengthTwoOldThreeNew.

@Test
public void calculateForkLengthTwoOldThreeNew() {
    BlockStore store = createBlockStore();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    Block parent = blockGenerator.createChildBlock(genesis);
    store.saveBlock(genesis, TEST_DIFFICULTY, true);
    store.saveBlock(parent, TEST_DIFFICULTY, true);
    List<Block> oldBranch = makeChain(parent, 2, store, blockGenerator);
    List<Block> newBranch = makeChain(parent, 3, store, blockGenerator);
    BlockFork fork = new BlockFork();
    fork.calculate(oldBranch.get(1), newBranch.get(2), store);
    Assert.assertEquals(parent.getHash(), fork.getCommonAncestor().getHash());
    Assert.assertFalse(fork.getOldBlocks().isEmpty());
    Assert.assertEquals(2, fork.getOldBlocks().size());
    Assert.assertEquals(oldBranch.get(0).getHash(), fork.getOldBlocks().get(0).getHash());
    Assert.assertEquals(oldBranch.get(1).getHash(), fork.getOldBlocks().get(1).getHash());
    Assert.assertFalse(fork.getNewBlocks().isEmpty());
    Assert.assertEquals(3, fork.getNewBlocks().size());
    Assert.assertEquals(newBranch.get(0).getHash(), fork.getNewBlocks().get(0).getHash());
    Assert.assertEquals(newBranch.get(1).getHash(), fork.getNewBlocks().get(1).getHash());
    Assert.assertEquals(newBranch.get(2).getHash(), fork.getNewBlocks().get(2).getHash());
}

Example 20 with BlockStore

use of org.ethereum.db.BlockStore in project rskj by rsksmart.

the class BlockUnclesValidationRuleTest method rejectBlockWithUncleHavingHigherNumber.

@Test
public void rejectBlockWithUncleHavingHigherNumber() {
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    Block block1 = blockGenerator.createChildBlock(genesis);
    Block uncle1 = blockGenerator.createChildBlock(block1);
    Block uncle2 = blockGenerator.createChildBlock(uncle1);
    List<BlockHeader> uncles = new ArrayList<>();
    uncles.add(uncle2.getHeader());
    Block block = blockGenerator.createChildBlock(block1, null, uncles, 1, null);
    BlockChainImpl blockChain = BlockChainImplTest.createBlockChain();
    BlockStore store = blockChain.getBlockStore();
    store.saveBlock(genesis, new BlockDifficulty(BigInteger.valueOf(1)), true);
    store.saveBlock(block1, new BlockDifficulty(BigInteger.valueOf(2)), true);
    BlockUnclesValidationRule rule = new BlockUnclesValidationRule(config, store, 10, 10, new BlockCompositeRule(), new BlockParentCompositeRule());
    Assert.assertFalse(rule.isValid(block));
}