@BeforeClass
public static void initNetwork() {
NetworkInfos.setDefault(NETWORK_INFO);
}
@AfterClass
public static void resetNetwork() {
NetworkInfos.setDefault(null);
}
@RunWith(Enclosed.class)
public class NemesisBlockMainnetTest {
private static final NetworkInfo NETWORK_INFO = NetworkInfos.getMainNetworkInfo();
private static final NemesisBlockInfo NEMESIS_BLOCK_INFO = NETWORK_INFO.getNemesisBlockInfo();
// users, devs, marketing, contributors + funds (transfer + multisig)
private static final int NUM_NEMESIS_TRANSFER_TRANSACTIONS = 1307 + 21 + 5 + 8 + 6;
private static final int NUM_NEMESIS_TRANSACTIONS = NUM_NEMESIS_TRANSFER_TRANSACTIONS + 6;
private static final Amount EXPECTED_MULTISIG_AGGREGATE_FEE =
Amount.fromNem(2 * (5 + 3 * 4) + 2 * (5 + 3 * 5) + 2 * (5 + 3 * 6));
private static final int EXPECTED_VERSION = 0x68000001;
@BeforeClass
public static void initNetwork() {
NetworkInfos.setDefault(NETWORK_INFO);
}
@AfterClass
public static void resetNetwork() {
NetworkInfos.setDefault(null);
}
private abstract static class AbstractNemesisBlockTest {
// basic
@Test
public void nemesisBlockCanBeCreated() {
// Act:
final Block block = this.loadNemesisBlock();
// Assert:
Assert.assertThat(
block.getSigner().getAddress(), IsEqual.equalTo(NEMESIS_BLOCK_INFO.getAddress()));
Assert.assertThat(block.getType(), IsEqual.equalTo(-1));
Assert.assertThat(block.getVersion(), IsEqual.equalTo(EXPECTED_VERSION));
Assert.assertThat(block.getTimeStamp(), IsEqual.equalTo(TimeInstant.ZERO));
// 2 multisig aggregate transactions
Assert.assertThat(
block.getTotalFee(), IsEqual.equalTo(EXPECTED_MULTISIG_AGGREGATE_FEE.multiply(2)));
Assert.assertThat(block.getPreviousBlockHash(), IsEqual.equalTo(Hash.ZERO));
Assert.assertThat(block.getHeight(), IsEqual.equalTo(BlockHeight.ONE));
Assert.assertThat(block.getTransactions().size(), IsEqual.equalTo(NUM_NEMESIS_TRANSACTIONS));
Assert.assertThat(block.getDifficulty(), IsEqual.equalTo(BlockDifficulty.INITIAL_DIFFICULTY));
Assert.assertThat(block.getGenerationHash(), IsNull.notNullValue());
}
@Test
public void nemesisBlockIsVerifiable() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Assert:
Assert.assertThat(block.verify(), IsEqual.equalTo(true));
}
@Test
public void nemesisTransactionsAreVerifiable() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Assert:
for (final Transaction transaction : block.getTransactions()) {
Assert.assertThat(transaction.verify(), IsEqual.equalTo(true));
}
}
@Test
public void nemesisTransactionsHaveCorrectFees() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Assert:
for (final Transaction transaction : block.getTransactions()) {
final Amount expectedFee =
TransactionTypes.TRANSFER == transaction.getType()
? Amount.ZERO
: NemGlobals.getTransactionFeeCalculator().calculateMinimumFee(transaction);
Assert.assertThat(transaction.getFee(), IsEqual.equalTo(expectedFee));
}
}
@Test
public void nemesisAddressesAreValid() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Act:
final Set<Address> allAddresses =
block
.getTransactions()
.stream()
.flatMap(t -> t.getAccounts().stream().map(Account::getAddress))
.collect(Collectors.toSet());
// Assert:
for (final Address address : allAddresses) {
Assert.assertThat(address.toString(), address.isValid(), IsEqual.equalTo(true));
}
}
@Test
public void nemesisTransactionSignersHavePublicKeys() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Act:
final Set<Address> signerAddresses =
block
.getTransactions()
.stream()
.map(t -> t.getSigner().getAddress())
.collect(Collectors.toSet());
// Assert:
for (final Address address : signerAddresses) {
Assert.assertThat(address.getPublicKey(), IsNull.notNullValue());
}
}
// endregion
// region constants
@Test
public void amountConstantIsConsistentWithNemesisBlock() {
// Act:
Amount totalAmount = Amount.ZERO;
final Block block = this.loadNemesisBlock();
for (final Transaction transaction : block.getTransactions()) {
if (transaction instanceof TransferTransaction) {
totalAmount = totalAmount.add(((TransferTransaction) transaction).getAmount());
}
}
// Assert:
Assert.assertThat(totalAmount, IsEqual.equalTo(NEMESIS_BLOCK_INFO.getAmount()));
}
@Test
public void addressConstantIsConsistentWithNemesisBlock() {
// Arrange:
final Block block = this.loadNemesisBlock();
final Address blockAddress = block.getSigner().getAddress();
// Assert:
Assert.assertThat(blockAddress, IsEqual.equalTo(NEMESIS_BLOCK_INFO.getAddress()));
Assert.assertThat(
blockAddress.getPublicKey(),
IsEqual.equalTo(NEMESIS_BLOCK_INFO.getAddress().getPublicKey()));
Assert.assertThat(blockAddress.getPublicKey(), IsNull.notNullValue());
}
@Test
public void generationHashConstantIsConsistentWithNemesisBlock() {
// Arrange:
final Block block = this.loadNemesisBlock();
// Assert:
Assert.assertThat(
block.getGenerationHash(), IsEqual.equalTo(NEMESIS_BLOCK_INFO.getGenerationHash()));
}
// endregion
protected abstract Block loadNemesisBlock(final MockAccountLookup accountLookup);
protected Block loadNemesisBlock() {
return this.loadNemesisBlock(new MockAccountLookup());
}
}
// region basic
public static class ResourceNemesisBlockTest extends AbstractNemesisBlockTest {
@Override
protected Block loadNemesisBlock(final MockAccountLookup accountLookup) {
return NemesisBlock.fromResource(
NEMESIS_BLOCK_INFO, new DeserializationContext(accountLookup));
}
}
public static class BinaryNemesisBlockTest extends AbstractNemesisBlockTest {
@Test
public void nemesisBlockCannotBeLoadedFromBlobWithIncorrectType() {
// Arrange (set type to 1):
final byte[] buffer = loadNemesisBlockBlobObject();
buffer[0] = 1;
buffer[1] = 0;
buffer[2] = 0;
buffer[3] = 0;
// Act:
ExceptionAssert.assertThrows(
v ->
NemesisBlock.fromBlobObject(
NEMESIS_BLOCK_INFO, buffer, new DeserializationContext(new MockAccountLookup())),
IllegalArgumentException.class);
}
@Test
public void nemesisBlockCannotBeLoadedFromInvalidBlob() {
// Arrange:
final byte[] buffer = loadNemesisBlockBlobObject();
final byte[] badBuffer1 =
ByteBuffer.allocate(3 + buffer.length).put("bad".getBytes()).put(buffer).array();
final byte[] badBuffer2 =
ByteBuffer.allocate(3 + buffer.length)
.put(Arrays.copyOfRange(buffer, 0, 100))
.put("bad".getBytes())
.put(Arrays.copyOfRange(buffer, 100, buffer.length))
.array();
// Act:
ExceptionAssert.assertThrows(
v ->
NemesisBlock.fromBlobObject(
NEMESIS_BLOCK_INFO,
badBuffer1,
new DeserializationContext(new MockAccountLookup())),
IllegalArgumentException.class);
ExceptionAssert.assertThrows(
v ->
NemesisBlock.fromBlobObject(
NEMESIS_BLOCK_INFO,
badBuffer2,
new DeserializationContext(new MockAccountLookup())),
SerializationException.class);
}
@Override
protected Block loadNemesisBlock(final MockAccountLookup accountLookup) {
final byte[] blob = loadNemesisBlockBlobObject();
return NemesisBlock.fromBlobObject(
NEMESIS_BLOCK_INFO, blob, new DeserializationContext(accountLookup));
}
private static byte[] loadNemesisBlockBlobObject() {
try (final InputStream fin =
NemesisBlock.class
.getClassLoader()
.getResourceAsStream(NEMESIS_BLOCK_INFO.getDataFileName())) {
return IOUtils.toByteArray(fin);
} catch (final IOException e) {
throw new IllegalStateException(
"unexpected exception was thrown when parsing nemesis block resource");
}
}
}
}