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

Example 41 with HashMapDB

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

the class SecureTrieImplStoreTest method saveAndRetrieveTrieNodeWith33BytesValue.

@Test
public void saveAndRetrieveTrieNodeWith33BytesValue() {
    HashMapDB map = new HashMapDB();
    TrieStoreImpl store = new TrieStoreImpl(map);
    byte[] key = "foo".getBytes();
    byte[] value = new byte[33];
    Trie trie = new TrieImpl(store, true).put(key, value);
    store.save(trie);
    Assert.assertEquals(2, map.keys().size());
    Assert.assertNotNull(map.get(trie.getHash().getBytes()));
    Assert.assertArrayEquals(trie.toMessage(), map.get(trie.getHash().getBytes()));
    Assert.assertEquals(2, store.getSaveCount());
    Trie newTrie = store.retrieve(trie.getHash().getBytes());
    Assert.assertNotNull(newTrie);
    Assert.assertEquals(1, newTrie.trieSize());
    Assert.assertNotNull(newTrie.get(key));
    Assert.assertArrayEquals(value, newTrie.get(key));
}

Example 42 with HashMapDB

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

the class SecureTrieImplStoreTest method saveFullTrieWithLongValueUpdateAndSaveAgainUsingBinaryTrie.

@Test
public void saveFullTrieWithLongValueUpdateAndSaveAgainUsingBinaryTrie() {
    HashMapDB map = new HashMapDB();
    TrieStoreImpl store = new TrieStoreImpl(map);
    Trie trie = new TrieImpl(store, true).put("foo", TrieImplValueTest.makeValue(100));
    trie.save();
    Assert.assertEquals(2, store.getSaveCount());
    trie = trie.put("foo", TrieImplValueTest.makeValue(200));
    trie.save();
    Assert.assertEquals(4, store.getSaveCount());
}

Example 43 with HashMapDB

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

the class TrieCopyToTest method copyTrieWithOneHundredValues.

@Test
public void copyTrieWithOneHundredValues() {
    HashMapDB map1 = new HashMapDB();
    TrieStoreImpl store1 = new TrieStoreImpl(map1);
    HashMapDB map2 = new HashMapDB();
    TrieStoreImpl store2 = new TrieStoreImpl(map2);
    Trie trie = new TrieImpl(store1, true);
    for (int k = 0; k < 100; k++) {
        trie = trie.put(k + "", (k + "").getBytes());
    }
    trie.save();
    trie.copyTo(store2);
    Trie result = store2.retrieve(trie.getHash().getBytes());
    Assert.assertNotNull(result);
    Assert.assertEquals(trie.getHash(), result.getHash());
    for (int k = 0; k < 100; k++) {
        Assert.assertArrayEquals((k + "").getBytes(), result.get(k + ""));
    }
}

Example 44 with HashMapDB

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

the class TrieCopyToTest method copyTwoTriesWithOneHundredValues.

@Test
public void copyTwoTriesWithOneHundredValues() {
    HashMapDB map1 = new HashMapDB();
    TrieStoreImpl store1 = new TrieStoreImpl(map1);
    HashMapDB map2 = new HashMapDB();
    TrieStoreImpl store2 = new TrieStoreImpl(map2);
    Trie trie1 = new TrieImpl(store1, true);
    Trie trie2 = new TrieImpl(store1, true);
    for (int k = 0; k < 100; k++) {
        trie1 = trie1.put(k + "", (k + "").getBytes());
        trie2 = trie2.put(k + 100 + "", (k + 100 + "").getBytes());
    }
    trie1.save();
    trie2.save();
    trie1.copyTo(store2);
    trie2.copyTo(store2);
    Trie result1 = store2.retrieve(trie1.getHash().getBytes());
    Assert.assertNotNull(result1);
    Assert.assertEquals(trie1.getHash(), result1.getHash());
    for (int k = 0; k < 100; k++) {
        Assert.assertArrayEquals((k + "").getBytes(), result1.get(k + ""));
    }
    Trie result2 = store2.retrieve(trie2.getHash().getBytes());
    Assert.assertNotNull(result2);
    Assert.assertEquals(trie2.getHash(), result2.getHash());
    for (int k = 0; k < 100; k++) {
        Assert.assertArrayEquals((k + 100 + "").getBytes(), result2.get(k + 100 + ""));
    }
}

Example 45 with HashMapDB

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

the class TrieImplSaveRetrieveTest method updateSaveRetrieveAndGetOneThousandKeyValues.

@Test
public void updateSaveRetrieveAndGetOneThousandKeyValues() {
    HashMapDB map = new HashMapDB();
    TrieStoreImpl store = new TrieStoreImpl(map);
    Trie trie = new TrieImpl(store, false);
    for (int k = 0; k < 1000; k++) trie = trie.put(k + "", (k + "").getBytes());
    trie.save();
    Trie trie2 = store.retrieve(trie.getHash().getBytes());
    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);
    }
}