Examples with HashMapDB org.ethereum.datasource.HashMapDB used on opensource projects

Example 81 with HashMapDB

use of org.ethereum.datasource.HashMapDB in project rskj by rsksmart.

the class TrieSaveRetrieveTest method saveTrieWithKeyLongValues.

@Test
public void saveTrieWithKeyLongValues() {
    HashMapDB map = new HashMapDB();
    TrieStoreImpl store = new TrieStoreImpl(map);
    Trie trie = new Trie(store).put("foo", "bar".getBytes()).put("bar", TrieValueTest.makeValue(100)).put("answer", TrieValueTest.makeValue(200));
    store.save(trie);
    Assert.assertNotEquals(0, trie.trieSize());
    int embeddableNodes = 3;
    int longValues = 2;
    Assert.assertEquals(trie.trieSize() - embeddableNodes + longValues, map.keys().size());
}

Example 82 with HashMapDB

use of org.ethereum.datasource.HashMapDB in project rskj by rsksmart.

the class TrieSaveRetrieveTest method updateSaveRetrieveAndGetOneThousandKeyValuesUsingBinaryTree.

@Test
public void updateSaveRetrieveAndGetOneThousandKeyValuesUsingBinaryTree() {
    HashMapDB map = new HashMapDB();
    TrieStoreImpl store = new TrieStoreImpl(map);
    Trie trie = new Trie(store);
    for (int k = 0; k < 1000; k++) trie = trie.put(k + "", (k + "").getBytes());
    store.save(trie);
    Trie trie2 = store.retrieve(trie.getHash().getBytes()).get();
    Assert.assertNotNull(trie2);
    Assert.assertEquals(trie.getHash(), trie2.getHash());
    for (int k = 0; k < 1000; k++) {
        String key = k + "";
        byte[] expected = trie.get(key);
        byte[] value = trie2.get(key);
        Assert.assertArrayEquals(expected, value);
    }
}

Example 83 with HashMapDB

use of org.ethereum.datasource.HashMapDB in project rskj by rsksmart.

the class TrieSaveRetrieveTest method retrieveTrieWithLongValuesUsingHash.

@Test
public void retrieveTrieWithLongValuesUsingHash() {
    HashMapDB map = new HashMapDB();
    TrieStoreImpl store = new TrieStoreImpl(map);
    Trie trie = new Trie(store).put("foo", "bar".getBytes()).put("bar", TrieValueTest.makeValue(100)).put("answer", TrieValueTest.makeValue(200));
    store.save(trie);
    Trie trie2 = store.retrieve(trie.getHash().getBytes()).get();
    Assert.assertNotNull(trie2);
    Assert.assertEquals(trie.trieSize(), trie2.trieSize());
    Assert.assertEquals(trie.getHash(), trie2.getHash());
    Assert.assertArrayEquals(trie.get("foo"), trie2.get("foo"));
    Assert.assertArrayEquals(trie.get("bar"), trie2.get("bar"));
    Assert.assertArrayEquals(trie.get("answer"), trie2.get("answer"));
}

Example 84 with HashMapDB

use of org.ethereum.datasource.HashMapDB in project rskj by rsksmart.

the class RepositoryTest method setUp.

@Before
public void setUp() {
    trieStore = new TrieStoreImpl(new HashMapDB());
    mutableTrie = new MutableTrieImpl(trieStore, new Trie(trieStore));
    repository = new MutableRepository(mutableTrie);
}

Example 85 with HashMapDB

use of org.ethereum.datasource.HashMapDB in project rskj by rsksmart.

the class BlocksBloomServiceTest method processFirstAndSecondRangeUsingEmitter.

@Test
public void processFirstAndSecondRangeUsingEmitter() {
    World world = new World();
    Blockchain blockchain = world.getBlockChain();
    BlockChainBuilder.extend(blockchain, 10, false, false);
    CompositeEthereumListener emitter = new CompositeEthereumListener();
    KeyValueDataSource dataSource = new HashMapDB();
    BlocksBloomStore blocksBloomStore = new BlocksBloomStore(4, 2, dataSource);
    BlocksBloomService blocksBloomService = new BlocksBloomService(emitter, blocksBloomStore, world.getBlockStore());
    blocksBloomService.start();
    emitter.onBlock(blockchain.getBlockByNumber(4), null);
    emitter.onBlock(blockchain.getBlockByNumber(6), null);
    emitter.onBlock(blockchain.getBlockByNumber(9), null);
    blocksBloomService.stop();
    Assert.assertFalse(dataSource.keys().isEmpty());
    Assert.assertEquals(2, dataSource.keys().size());
    Assert.assertNotNull(dataSource.get(longToKey(0)));
    Assert.assertNotNull(dataSource.get(longToKey(4)));
}