@Test
public void deterministicUpgradeUnencrypted() throws Exception {
// Check that a group that contains only random keys has its HD chain created using the private
// key bytes of
// the oldest random key, so upgrading the same wallet twice gives the same outcome.
group = new KeyChainGroup(params);
group.setLookaheadSize(LOOKAHEAD_SIZE); // Don't want slow tests.
ECKey key1 = new ECKey();
Utils.rollMockClock(86400);
ECKey key2 = new ECKey();
group.importKeys(key2, key1);
List<Protos.Key> protobufs = group.serializeToProtobuf();
group.upgradeToDeterministic(0, null);
assertFalse(group.isDeterministicUpgradeRequired());
DeterministicKey dkey1 = group.freshKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
DeterministicSeed seed1 = group.getActiveKeyChain().getSeed();
assertNotNull(seed1);
group = KeyChainGroup.fromProtobufUnencrypted(params, protobufs);
group.upgradeToDeterministic(0, null); // Should give same result as last time.
DeterministicKey dkey2 = group.freshKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
DeterministicSeed seed2 = group.getActiveKeyChain().getSeed();
assertEquals(seed1, seed2);
assertEquals(dkey1, dkey2);
// Check we used the right (oldest) key despite backwards import order.
byte[] truncatedBytes = Arrays.copyOfRange(key1.getSecretBytes(), 0, 16);
assertArrayEquals(seed1.getEntropyBytes(), truncatedBytes);
}
@Test
public void earliestKeyTime() throws Exception {
long now = Utils.currentTimeSeconds(); // mock
long yesterday = now - 86400;
assertEquals(now, group.getEarliestKeyCreationTime());
Utils.rollMockClock(10000);
group.freshKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
Utils.rollMockClock(10000);
group.freshKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
// Check that all keys are assumed to be created at the same instant the seed is.
assertEquals(now, group.getEarliestKeyCreationTime());
ECKey key = new ECKey();
key.setCreationTimeSeconds(yesterday);
group.importKeys(key);
assertEquals(yesterday, group.getEarliestKeyCreationTime());
}
@Test
public void deterministicUpgradeRotating() throws Exception {
group = new KeyChainGroup(params);
group.setLookaheadSize(LOOKAHEAD_SIZE); // Don't want slow tests.
long now = Utils.currentTimeSeconds();
ECKey key1 = new ECKey();
Utils.rollMockClock(86400);
ECKey key2 = new ECKey();
Utils.rollMockClock(86400);
ECKey key3 = new ECKey();
group.importKeys(key2, key1, key3);
group.upgradeToDeterministic(now + 10, null);
DeterministicSeed seed = group.getActiveKeyChain().getSeed();
assertNotNull(seed);
// Check we used the right key: oldest non rotating.
byte[] truncatedBytes = Arrays.copyOfRange(key2.getSecretBytes(), 0, 16);
assertArrayEquals(seed.getEntropyBytes(), truncatedBytes);
}
@Before
public void setup() {
BriefLogFormatter.init();
Utils.setMockClock();
group = new KeyChainGroup(params);
group.setLookaheadSize(LOOKAHEAD_SIZE); // Don't want slow tests.
group.getActiveKeyChain(); // Force create a chain.
watchingAccountKey = DeterministicKey.deserializeB58(null, XPUB);
}
public void encryption(boolean withImported) throws Exception {
Utils.rollMockClock(0);
long now = Utils.currentTimeSeconds();
ECKey a = group.freshKey(KeyChain.KeyPurpose.RECEIVE_FUNDS);
assertEquals(now, group.getEarliestKeyCreationTime());
Utils.rollMockClock(-86400);
long yesterday = Utils.currentTimeSeconds();
ECKey b = new ECKey();
assertFalse(group.isEncrypted());
try {
group.checkPassword("foo"); // Cannot check password of an unencrypted group.
fail();
} catch (IllegalStateException e) {
}
if (withImported) {
assertEquals(now, group.getEarliestKeyCreationTime());
group.importKeys(b);
assertEquals(yesterday, group.getEarliestKeyCreationTime());
}
KeyCrypterScrypt scrypt = new KeyCrypterScrypt(2);
final KeyParameter aesKey = scrypt.deriveKey("password");
group.encrypt(scrypt, aesKey);
assertTrue(group.isEncrypted());
assertTrue(group.checkPassword("password"));
assertFalse(group.checkPassword("wrong password"));
final ECKey ea = group.findKeyFromPubKey(a.getPubKey());
assertTrue(checkNotNull(ea).isEncrypted());
if (withImported) {
assertTrue(checkNotNull(group.findKeyFromPubKey(b.getPubKey())).isEncrypted());
assertEquals(yesterday, group.getEarliestKeyCreationTime());
} else {
assertEquals(now, group.getEarliestKeyCreationTime());
}
try {
ea.sign(Sha256Hash.ZERO_HASH);
fail();
} catch (ECKey.KeyIsEncryptedException e) {
// Ignored.
}
if (withImported) {
ECKey c = new ECKey();
try {
group.importKeys(c);
fail();
} catch (KeyCrypterException e) {
}
group.importKeysAndEncrypt(ImmutableList.of(c), aesKey);
ECKey ec = group.findKeyFromPubKey(c.getPubKey());
try {
group.importKeysAndEncrypt(ImmutableList.of(ec), aesKey);
fail();
} catch (IllegalArgumentException e) {
}
}
try {
group.decrypt(scrypt.deriveKey("WRONG PASSWORD"));
fail();
} catch (KeyCrypterException e) {
}
group.decrypt(aesKey);
assertFalse(group.isEncrypted());
assertFalse(checkNotNull(group.findKeyFromPubKey(a.getPubKey())).isEncrypted());
if (withImported) {
assertFalse(checkNotNull(group.findKeyFromPubKey(b.getPubKey())).isEncrypted());
assertEquals(yesterday, group.getEarliestKeyCreationTime());
} else {
assertEquals(now, group.getEarliestKeyCreationTime());
}
}