@Test
public void bloom() throws Exception {
ECKey key1 = group.freshKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
ECKey key2 = new ECKey();
BloomFilter filter =
group.getBloomFilter(
group.getBloomFilterElementCount(), 0.001, (long) (Math.random() * Long.MAX_VALUE));
assertTrue(filter.contains(key1.getPubKeyHash()));
assertTrue(filter.contains(key1.getPubKey()));
assertFalse(filter.contains(key2.getPubKey()));
// Check that the filter contains the lookahead buffer and threshold zone.
for (int i = 0; i < LOOKAHEAD_SIZE + group.getLookaheadThreshold(); i++) {
ECKey k = group.freshKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
assertTrue(filter.contains(k.getPubKeyHash()));
}
// We ran ahead of the lookahead buffer.
assertFalse(filter.contains(group.freshKey(KeyChain.KeyPurpose.RECEIVE_FUNDS).getPubKey()));
group.importKeys(key2);
filter =
group.getBloomFilter(
group.getBloomFilterElementCount(), 0.001, (long) (Math.random() * Long.MAX_VALUE));
assertTrue(filter.contains(key1.getPubKeyHash()));
assertTrue(filter.contains(key1.getPubKey()));
assertTrue(filter.contains(key2.getPubKey()));
}
@Test
public void findKey() throws Exception {
ECKey a = group.freshKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
ECKey b = group.freshKey(KeyChain.KeyPurpose.CHANGE);
ECKey c = new ECKey();
ECKey d = new ECKey(); // Not imported.
group.importKeys(c);
assertTrue(group.hasKey(a));
assertTrue(group.hasKey(b));
assertTrue(group.hasKey(c));
assertFalse(group.hasKey(d));
ECKey result = group.findKeyFromPubKey(a.getPubKey());
assertEquals(a, result);
result = group.findKeyFromPubKey(b.getPubKey());
assertEquals(b, result);
result = group.findKeyFromPubHash(a.getPubKeyHash());
assertEquals(a, result);
result = group.findKeyFromPubHash(b.getPubKeyHash());
assertEquals(b, result);
result = group.findKeyFromPubKey(c.getPubKey());
assertEquals(c, result);
result = group.findKeyFromPubHash(c.getPubKeyHash());
assertEquals(c, result);
assertNull(group.findKeyFromPubKey(d.getPubKey()));
assertNull(group.findKeyFromPubHash(d.getPubKeyHash()));
}