Examples with Keccak256 co.rsk.crypto.Keccak256 used on opensource projects

Example 81 with Keccak256

use of co.rsk.crypto.Keccak256 in project rskj by rsksmart.

the class BlockValidatorTest method getUsedUncles.

@Test
public void getUsedUncles() {
    IndexedBlockStore store = new IndexedBlockStore(new HashMap<>(), new HashMapDB(), null);
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    Block uncle1a = blockGenerator.createChildBlock(genesis);
    Block uncle1b = blockGenerator.createChildBlock(genesis);
    List<BlockHeader> uncles1 = new ArrayList<>();
    uncles1.add(uncle1a.getHeader());
    uncles1.add(uncle1b.getHeader());
    Block block1 = blockGenerator.createChildBlock(genesis, null, uncles1, 1, null);
    Block uncle2a = blockGenerator.createChildBlock(genesis);
    Block uncle2b = blockGenerator.createChildBlock(genesis);
    List<BlockHeader> uncles2 = new ArrayList<>();
    uncles2.add(uncle2a.getHeader());
    uncles2.add(uncle2b.getHeader());
    Block block2 = blockGenerator.createChildBlock(block1, null, uncles2, 1, null);
    Block block3 = blockGenerator.createChildBlock(block2, null, uncles2, 1, null);
    store.saveBlock(genesis, TEST_DIFFICULTY, true);
    store.saveBlock(uncle1a, TEST_DIFFICULTY, false);
    store.saveBlock(uncle1b, TEST_DIFFICULTY, false);
    store.saveBlock(block1, TEST_DIFFICULTY, true);
    store.saveBlock(uncle2a, TEST_DIFFICULTY, false);
    store.saveBlock(uncle2b, TEST_DIFFICULTY, false);
    store.saveBlock(block2, TEST_DIFFICULTY, true);
    Set<Keccak256> used = FamilyUtils.getUsedUncles(store, block3, 6);
    Assert.assertFalse(used.isEmpty());
    Assert.assertFalse(used.contains(block3.getHash()));
    Assert.assertFalse(used.contains(block2.getHash()));
    Assert.assertTrue(used.contains(uncle2a.getHash()));
    Assert.assertTrue(used.contains(uncle2b.getHash()));
    Assert.assertFalse(used.contains(block1.getHash()));
    Assert.assertTrue(used.contains(uncle1a.getHash()));
    Assert.assertTrue(used.contains(uncle1b.getHash()));
    Assert.assertFalse(used.contains(genesis.getHash()));
}

Example 82 with Keccak256

use of co.rsk.crypto.Keccak256 in project rskj by rsksmart.

the class BlockValidatorTest method getThreeAncestorSet.

@Test
public void getThreeAncestorSet() {
    IndexedBlockStore store = new IndexedBlockStore(new HashMap<>(), new HashMapDB(), null);
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    store.saveBlock(genesis, TEST_DIFFICULTY, true);
    Block block1 = blockGenerator.createChildBlock(genesis);
    store.saveBlock(block1, TEST_DIFFICULTY, true);
    Block block2 = blockGenerator.createChildBlock(block1);
    store.saveBlock(block2, TEST_DIFFICULTY, true);
    Block block3 = blockGenerator.createChildBlock(block2);
    store.saveBlock(block3, TEST_DIFFICULTY, true);
    Block block4 = blockGenerator.createChildBlock(block3);
    store.saveBlock(block4, TEST_DIFFICULTY, true);
    Block block5 = blockGenerator.createChildBlock(block4);
    store.saveBlock(block5, TEST_DIFFICULTY, true);
    Set<Keccak256> ancestors = FamilyUtils.getAncestors(store, block5, 3);
    Assert.assertFalse(ancestors.isEmpty());
    Assert.assertEquals(3, ancestors.size());
    Assert.assertFalse(ancestors.contains(genesis.getHash()));
    Assert.assertFalse(ancestors.contains(block1.getHash()));
    Assert.assertTrue(ancestors.contains(block2.getHash()));
    Assert.assertTrue(ancestors.contains(block3.getHash()));
    Assert.assertTrue(ancestors.contains(block4.getHash()));
    Assert.assertFalse(ancestors.contains(block5.getHash()));
}

Example 83 with Keccak256

use of co.rsk.crypto.Keccak256 in project rskj by rsksmart.

the class BlockValidatorTest method getBlockOneAncestorSet.

@Test
public void getBlockOneAncestorSet() {
    IndexedBlockStore store = new IndexedBlockStore(new HashMap<>(), new HashMapDB(), null);
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    store.saveBlock(genesis, TEST_DIFFICULTY, true);
    Block block = new BlockGenerator().createChildBlock(genesis);
    Set<Keccak256> ancestors = FamilyUtils.getAncestors(store, block, 6);
    Assert.assertFalse(ancestors.isEmpty());
    Assert.assertTrue(ancestors.contains(genesis.getHash()));
    Assert.assertFalse(ancestors.contains(block.getHash()));
}

Example 84 with Keccak256

use of co.rsk.crypto.Keccak256 in project rskj by rsksmart.

the class FamilyUtilsTest method getFamilyGetAncestorsUpToLevel.

@Test
public void getFamilyGetAncestorsUpToLevel() {
    BlockStore store = createBlockStore();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    Block block1 = blockGenerator.createChildBlock(genesis);
    Block block2 = blockGenerator.createChildBlock(block1);
    Block block3 = blockGenerator.createChildBlock(block2);
    store.saveBlock(genesis, TEST_DIFFICULTY, true);
    store.saveBlock(block1, TEST_DIFFICULTY, true);
    store.saveBlock(block2, TEST_DIFFICULTY, true);
    store.saveBlock(block3, TEST_DIFFICULTY, true);
    Set<Keccak256> family = FamilyUtils.getFamily(store, block3, 2);
    Assert.assertNotNull(family);
    Assert.assertFalse(family.isEmpty());
    Assert.assertEquals(2, family.size());
    Assert.assertFalse(family.contains(genesis.getHash()));
    Assert.assertFalse(family.contains(block3.getHash()));
    Assert.assertTrue(family.contains(block1.getHash()));
    Assert.assertTrue(family.contains(block2.getHash()));
}

Example 85 with Keccak256

use of co.rsk.crypto.Keccak256 in project rskj by rsksmart.

the class FamilyUtilsTest method getEmptyFamilyForGenesis.

@Test
public void getEmptyFamilyForGenesis() {
    BlockStore store = createBlockStore();
    Block genesis = new BlockGenerator().getGenesisBlock();
    store.saveBlock(genesis, TEST_DIFFICULTY, true);
    Set<Keccak256> family = FamilyUtils.getFamily(store, genesis, 6);
    Assert.assertNotNull(family);
    Assert.assertTrue(family.isEmpty());
}