@Test
public void exceptionListener() throws Exception {
wallet.addEventListener(
new AbstractWalletEventListener() {
@Override
public void onCoinsReceived(
Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance) {
throw new NullPointerException("boo!");
}
});
final Throwable[] throwables = new Throwable[1];
Threading.uncaughtExceptionHandler =
new Thread.UncaughtExceptionHandler() {
@Override
public void uncaughtException(Thread thread, Throwable throwable) {
throwables[0] = throwable;
}
};
// In real usage we're not really meant to adjust the uncaught exception handler after stuff
// started happening
// but in the unit test environment other tests have just run so the thread is probably still
// kicking around.
// Force it to crash so it'll be recreated with our new handler.
Threading.USER_THREAD.execute(
new Runnable() {
@Override
public void run() {
throw new RuntimeException();
}
});
connect();
Transaction t1 = new Transaction(unitTestParams);
t1.addInput(new TransactionInput(unitTestParams, t1, new byte[] {}));
t1.addOutput(Utils.toNanoCoins(1, 0), new ECKey().toAddress(unitTestParams));
Transaction t2 = new Transaction(unitTestParams);
t2.addInput(t1.getOutput(0));
t2.addOutput(Utils.toNanoCoins(1, 0), wallet.getChangeAddress());
inbound(writeTarget, t2);
final InventoryItem inventoryItem =
new InventoryItem(InventoryItem.Type.Transaction, t2.getInput(0).getOutpoint().getHash());
final NotFoundMessage nfm =
new NotFoundMessage(unitTestParams, Lists.newArrayList(inventoryItem));
inbound(writeTarget, nfm);
pingAndWait(writeTarget);
Threading.waitForUserCode();
assertTrue(throwables[0] instanceof NullPointerException);
Threading.uncaughtExceptionHandler = null;
}
@Test
public void getLargeBlock() throws Exception {
connect();
Block b1 = createFakeBlock(blockStore).block;
blockChain.add(b1);
Block b2 = makeSolvedTestBlock(b1);
Transaction t = new Transaction(unitTestParams);
t.addInput(b1.getTransactions().get(0).getOutput(0));
t.addOutput(
new TransactionOutput(
unitTestParams, t, BigInteger.ZERO, new byte[Block.MAX_BLOCK_SIZE - 1000]));
b2.addTransaction(t);
// Request the block.
Future<Block> resultFuture = peer.getBlock(b2.getHash());
assertFalse(resultFuture.isDone());
// Peer asks for it.
GetDataMessage message = (GetDataMessage) outbound(writeTarget);
assertEquals(message.getItems().get(0).hash, b2.getHash());
assertFalse(resultFuture.isDone());
// Peer receives it.
inbound(writeTarget, b2);
Block b = resultFuture.get();
assertEquals(b, b2);
}
@Test
public void testSimplePayment() throws Exception {
// Create a PaymentRequest and make sure the correct values are parsed by the PaymentSession.
MockPaymentSession paymentSession = new MockPaymentSession(newSimplePaymentRequest());
assertEquals(paymentRequestMemo, paymentSession.getMemo());
assertEquals(nanoCoins, paymentSession.getValue());
assertEquals(simplePaymentUrl, paymentSession.getPaymentUrl());
assertTrue(new Date(time * 1000L).equals(paymentSession.getDate()));
assertTrue(paymentSession.getSendRequest().tx.equals(tx));
assertFalse(paymentSession.isExpired());
// Send the payment and verify that the correct information is sent.
// Add a dummy input to tx so it is considered valid.
tx.addInput(new TransactionInput(params, tx, outputToMe.getScriptBytes()));
ArrayList<Transaction> txns = new ArrayList<Transaction>();
txns.add(tx);
Address refundAddr = new Address(params, serverKey.getPubKeyHash());
paymentSession.sendPayment(txns, refundAddr, paymentMemo);
assertEquals(1, paymentSession.getPaymentLog().size());
assertEquals(simplePaymentUrl, paymentSession.getPaymentLog().get(0).getUrl().toString());
Protos.Payment payment = paymentSession.getPaymentLog().get(0).getPayment();
assertEquals(paymentMemo, payment.getMemo());
assertEquals(merchantData, payment.getMerchantData());
assertEquals(1, payment.getRefundToCount());
assertEquals(nanoCoins.longValue(), payment.getRefundTo(0).getAmount());
TransactionOutput refundOutput = new TransactionOutput(params, null, nanoCoins, refundAddr);
ByteString refundScript = ByteString.copyFrom(refundOutput.getScriptBytes());
assertTrue(refundScript.equals(payment.getRefundTo(0).getScript()));
}
@Test
public void testCreateMultiSigInputScript() throws AddressFormatException {
// Setup transaction and signatures
ECKey key1 =
new DumpedPrivateKey(params, "cVLwRLTvz3BxDAWkvS3yzT9pUcTCup7kQnfT2smRjvmmm1wAP6QT")
.getKey();
ECKey key2 =
new DumpedPrivateKey(params, "cTine92s8GLpVqvebi8rYce3FrUYq78ZGQffBYCS1HmDPJdSTxUo")
.getKey();
ECKey key3 =
new DumpedPrivateKey(params, "cVHwXSPRZmL9adctwBwmn4oTZdZMbaCsR5XF6VznqMgcvt1FDDxg")
.getKey();
Script multisigScript =
ScriptBuilder.createMultiSigOutputScript(2, Arrays.asList(key1, key2, key3));
byte[] bytes =
Hex.decode(
"01000000013df681ff83b43b6585fa32dd0e12b0b502e6481e04ee52ff0fdaf55a16a4ef61000000006b483045022100a84acca7906c13c5895a1314c165d33621cdcf8696145080895cbf301119b7cf0220730ff511106aa0e0a8570ff00ee57d7a6f24e30f592a10cae1deffac9e13b990012102b8d567bcd6328fd48a429f9cf4b315b859a58fd28c5088ef3cb1d98125fc4e8dffffffff02364f1c00000000001976a91439a02793b418de8ec748dd75382656453dc99bcb88ac40420f000000000017a9145780b80be32e117f675d6e0ada13ba799bf248e98700000000");
Transaction transaction = new Transaction(params, bytes);
TransactionOutput output = transaction.getOutput(1);
Transaction spendTx = new Transaction(params);
Address address = new Address(params, "n3CFiCmBXVt5d3HXKQ15EFZyhPz4yj5F3H");
Script outputScript = ScriptBuilder.createOutputScript(address);
spendTx.addOutput(output.getValue(), outputScript);
spendTx.addInput(output);
Sha256Hash sighash = spendTx.hashForSignature(0, multisigScript, SigHash.ALL, false);
ECKey.ECDSASignature party1Signature = key1.sign(sighash);
ECKey.ECDSASignature party2Signature = key2.sign(sighash);
TransactionSignature party1TransactionSignature =
new TransactionSignature(party1Signature, SigHash.ALL, false);
TransactionSignature party2TransactionSignature =
new TransactionSignature(party2Signature, SigHash.ALL, false);
// Create p2sh multisig input script
Script inputScript =
ScriptBuilder.createP2SHMultiSigInputScript(
ImmutableList.of(party1TransactionSignature, party2TransactionSignature),
multisigScript.getProgram());
// Assert that the input script contains 4 chunks
assertTrue(inputScript.getChunks().size() == 4);
// Assert that the input script created contains the original multisig
// script as the last chunk
ScriptChunk scriptChunk = inputScript.getChunks().get(inputScript.getChunks().size() - 1);
Assert.assertArrayEquals(scriptChunk.data, multisigScript.getProgram());
// Create regular multisig input script
inputScript =
ScriptBuilder.createMultiSigInputScript(
ImmutableList.of(party1TransactionSignature, party2TransactionSignature));
// Assert that the input script only contains 3 chunks
assertTrue(inputScript.getChunks().size() == 3);
// Assert that the input script created does not end with the original
// multisig script
scriptChunk = inputScript.getChunks().get(inputScript.getChunks().size() - 1);
Assert.assertThat(scriptChunk.data, IsNot.not(IsEqual.equalTo(multisigScript.getProgram())));
}
@Test
public void testUpdateLength() {
NetworkParameters params = UnitTestParams.get();
Block block =
params
.getGenesisBlock()
.createNextBlockWithCoinbase(
Block.BLOCK_VERSION_GENESIS, new ECKey().getPubKey(), Block.BLOCK_HEIGHT_GENESIS);
assertEquals(block.bitcoinSerialize().length, block.length);
final int origBlockLen = block.length;
Transaction tx = new Transaction(params);
// this is broken until the transaction has > 1 input + output (which is required anyway...)
// assertTrue(tx.length == tx.bitcoinSerialize().length && tx.length == 8);
byte[] outputScript = new byte[10];
Arrays.fill(outputScript, (byte) ScriptOpCodes.OP_FALSE);
tx.addOutput(new TransactionOutput(params, null, Coin.SATOSHI, outputScript));
tx.addInput(
new TransactionInput(
params,
null,
new byte[] {(byte) ScriptOpCodes.OP_FALSE},
new TransactionOutPoint(params, 0, Sha256Hash.of(new byte[] {1}))));
int origTxLength = 8 + 2 + 8 + 1 + 10 + 40 + 1 + 1;
assertEquals(tx.bitcoinSerialize().length, tx.length);
assertEquals(origTxLength, tx.length);
block.addTransaction(tx);
assertEquals(block.bitcoinSerialize().length, block.length);
assertEquals(origBlockLen + tx.length, block.length);
block
.getTransactions()
.get(1)
.getInputs()
.get(0)
.setScriptBytes(new byte[] {(byte) ScriptOpCodes.OP_FALSE, (byte) ScriptOpCodes.OP_FALSE});
assertEquals(block.length, origBlockLen + tx.length);
assertEquals(tx.length, origTxLength + 1);
block.getTransactions().get(1).getInputs().get(0).setScriptBytes(new byte[] {});
assertEquals(block.length, block.bitcoinSerialize().length);
assertEquals(block.length, origBlockLen + tx.length);
assertEquals(tx.length, origTxLength - 1);
block
.getTransactions()
.get(1)
.addInput(
new TransactionInput(
params,
null,
new byte[] {(byte) ScriptOpCodes.OP_FALSE},
new TransactionOutPoint(params, 0, Sha256Hash.of(new byte[] {1}))));
assertEquals(block.length, origBlockLen + tx.length);
assertEquals(tx.length, origTxLength + 41); // - 1 + 40 + 1 + 1
}
@Before
public void setUp() throws Exception {
unitTestParams = UnitTestParams.get();
wallet = new Wallet(unitTestParams);
wallet.addKey(new ECKey());
resetBlockStore();
Transaction tx1 =
createFakeTx(
unitTestParams,
Utils.toNanoCoins(2, 0),
wallet.getKeys().get(0).toAddress(unitTestParams));
// add a second input so can test granularity of byte cache.
Transaction prevTx = new Transaction(unitTestParams);
TransactionOutput prevOut =
new TransactionOutput(
unitTestParams,
prevTx,
Utils.toNanoCoins(1, 0),
wallet.getKeys().get(0).toAddress(unitTestParams));
prevTx.addOutput(prevOut);
// Connect it.
tx1.addInput(prevOut);
Transaction tx2 =
createFakeTx(
unitTestParams, Utils.toNanoCoins(1, 0), new ECKey().toAddress(unitTestParams));
Block b1 = createFakeBlock(blockStore, tx1, tx2).block;
BitcoinSerializer bs = new BitcoinSerializer(unitTestParams);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
bs.serialize(tx1, bos);
tx1BytesWithHeader = bos.toByteArray();
tx1Bytes = tx1.bitcoinSerialize();
bos.reset();
bs.serialize(tx2, bos);
tx2BytesWithHeader = bos.toByteArray();
tx2Bytes = tx2.bitcoinSerialize();
bos.reset();
bs.serialize(b1, bos);
b1BytesWithHeader = bos.toByteArray();
b1Bytes = b1.bitcoinSerialize();
}
@Test
public void testExpiredPaymentRequest() throws Exception {
MockPaymentSession paymentSession = new MockPaymentSession(newExpiredPaymentRequest());
assertTrue(paymentSession.isExpired());
// Send the payment and verify that an exception is thrown.
// Add a dummy input to tx so it is considered valid.
tx.addInput(new TransactionInput(params, tx, outputToMe.getScriptBytes()));
ArrayList<Transaction> txns = new ArrayList<Transaction>();
txns.add(tx);
try {
paymentSession.sendPayment(txns, null, null);
} catch (PaymentRequestException.Expired e) {
assertEquals(0, paymentSession.getPaymentLog().size());
assertEquals(e.getMessage(), "PaymentRequest is expired");
return;
}
fail("Expected exception due to expired PaymentRequest");
}
@Test
public void skipScripts() throws Exception {
store = createStore(params, 10);
chain = new FullPrunedBlockChain(params, store);
// Check that we aren't accidentally leaving any references
// to the full StoredUndoableBlock's lying around (ie memory leaks)
ECKey outKey = new ECKey();
int height = 1;
// Build some blocks on genesis block to create a spendable output
Block rollingBlock =
params
.getGenesisBlock()
.createNextBlockWithCoinbase(Block.BLOCK_VERSION_GENESIS, outKey.getPubKey(), height++);
chain.add(rollingBlock);
TransactionOutput spendableOutput = rollingBlock.getTransactions().get(0).getOutput(0);
for (int i = 1; i < params.getSpendableCoinbaseDepth(); i++) {
rollingBlock =
rollingBlock.createNextBlockWithCoinbase(
Block.BLOCK_VERSION_GENESIS, outKey.getPubKey(), height++);
chain.add(rollingBlock);
}
rollingBlock = rollingBlock.createNextBlock(null);
Transaction t = new Transaction(params);
t.addOutput(new TransactionOutput(params, t, FIFTY_COINS, new byte[] {}));
TransactionInput input = t.addInput(spendableOutput);
// Invalid script.
input.clearScriptBytes();
rollingBlock.addTransaction(t);
rollingBlock.solve();
chain.setRunScripts(false);
try {
chain.add(rollingBlock);
} catch (VerificationException e) {
fail();
}
try {
store.close();
} catch (Exception e) {
}
}
public void testTransaction(
NetworkParameters params, byte[] txBytes, boolean isChild, boolean lazy, boolean retain)
throws Exception {
// reference serializer to produce comparison serialization output after changes to
// message structure.
BitcoinSerializer bsRef = new BitcoinSerializer(params, false, false);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
BitcoinSerializer bs = new BitcoinSerializer(params, lazy, retain);
Transaction t1;
Transaction tRef;
t1 = (Transaction) bs.deserialize(new ByteArrayInputStream(txBytes));
tRef = (Transaction) bsRef.deserialize(new ByteArrayInputStream(txBytes));
// verify our reference BitcoinSerializer produces matching byte array.
bos.reset();
bsRef.serialize(tRef, bos);
assertTrue(Arrays.equals(bos.toByteArray(), txBytes));
// check lazy and retain status survive both before and after a serialization
assertEquals(!lazy, t1.isParsed());
if (t1.isParsed()) assertEquals(retain, t1.isCached());
serDeser(bs, t1, txBytes, null, null);
assertEquals(lazy, !t1.isParsed());
if (t1.isParsed()) assertEquals(retain, t1.isCached());
// compare to ref tx
bos.reset();
bsRef.serialize(tRef, bos);
serDeser(bs, t1, bos.toByteArray(), null, null);
// retrieve a value from a child
t1.getInputs();
assertTrue(t1.isParsed());
if (t1.getInputs().size() > 0) {
assertTrue(t1.isParsed());
TransactionInput tin = t1.getInputs().get(0);
assertEquals(!lazy, tin.isParsed());
if (tin.isParsed()) assertEquals(retain, tin.isCached());
// does it still match ref tx?
serDeser(bs, t1, bos.toByteArray(), null, null);
}
// refresh tx
t1 = (Transaction) bs.deserialize(new ByteArrayInputStream(txBytes));
tRef = (Transaction) bsRef.deserialize(new ByteArrayInputStream(txBytes));
// add an input
if (t1.getInputs().size() > 0) {
t1.addInput(t1.getInputs().get(0));
// replicate on reference tx
tRef.addInput(tRef.getInputs().get(0));
assertFalse(t1.isCached());
assertTrue(t1.isParsed());
bos.reset();
bsRef.serialize(tRef, bos);
byte[] source = bos.toByteArray();
// confirm we still match the reference tx.
serDeser(bs, t1, source, null, null);
}
}
public void testBlock(byte[] blockBytes, boolean isChild, boolean lazy, boolean retain)
throws Exception {
// reference serializer to produce comparison serialization output after changes to
// message structure.
BitcoinSerializer bsRef = new BitcoinSerializer(unitTestParams, false, false);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
BitcoinSerializer bs = new BitcoinSerializer(unitTestParams, lazy, retain);
Block b1;
Block bRef;
b1 = (Block) bs.deserialize(new ByteArrayInputStream(blockBytes));
bRef = (Block) bsRef.deserialize(new ByteArrayInputStream(blockBytes));
// verify our reference BitcoinSerializer produces matching byte array.
bos.reset();
bsRef.serialize(bRef, bos);
assertTrue(Arrays.equals(bos.toByteArray(), blockBytes));
// check lazy and retain status survive both before and after a serialization
assertEquals(!lazy, b1.isParsedTransactions());
assertEquals(!lazy, b1.isParsedHeader());
if (b1.isParsedHeader()) assertEquals(retain, b1.isHeaderBytesValid());
if (b1.isParsedTransactions()) assertEquals(retain, b1.isTransactionBytesValid());
serDeser(bs, b1, blockBytes, null, null);
assertEquals(!lazy, b1.isParsedTransactions());
assertEquals(!lazy, b1.isParsedHeader());
if (b1.isParsedHeader()) assertEquals(retain, b1.isHeaderBytesValid());
if (b1.isParsedTransactions()) assertEquals(retain, b1.isTransactionBytesValid());
// compare to ref block
bos.reset();
bsRef.serialize(bRef, bos);
serDeser(bs, b1, bos.toByteArray(), null, null);
// retrieve a value from a child
b1.getTransactions();
assertTrue(b1.isParsedTransactions());
if (b1.getTransactions().size() > 0) {
assertTrue(b1.isParsedTransactions());
Transaction tx1 = b1.getTransactions().get(0);
// this will always be true for all children of a block once they are retrieved.
// the tx child inputs/outputs may not be parsed however.
// no longer forced to parse if length not provided.
// assertEquals(true, tx1.isParsed());
if (tx1.isParsed()) assertEquals(retain, tx1.isCached());
else assertTrue(tx1.isCached());
// does it still match ref block?
serDeser(bs, b1, bos.toByteArray(), null, null);
}
// refresh block
b1 = (Block) bs.deserialize(new ByteArrayInputStream(blockBytes));
bRef = (Block) bsRef.deserialize(new ByteArrayInputStream(blockBytes));
// retrieve a value from header
b1.getDifficultyTarget();
assertTrue(b1.isParsedHeader());
assertEquals(lazy, !b1.isParsedTransactions());
// does it still match ref block?
serDeser(bs, b1, bos.toByteArray(), null, null);
// refresh block
b1 = (Block) bs.deserialize(new ByteArrayInputStream(blockBytes));
bRef = (Block) bsRef.deserialize(new ByteArrayInputStream(blockBytes));
// retrieve a value from a child and header
b1.getDifficultyTarget();
assertTrue(b1.isParsedHeader());
assertEquals(lazy, !b1.isParsedTransactions());
b1.getTransactions();
assertTrue(b1.isParsedTransactions());
if (b1.getTransactions().size() > 0) {
assertTrue(b1.isParsedTransactions());
Transaction tx1 = b1.getTransactions().get(0);
// no longer forced to parse if length not provided.
// assertEquals(true, tx1.isParsed());
if (tx1.isParsed()) assertEquals(retain, tx1.isCached());
else assertTrue(tx1.isCached());
}
// does it still match ref block?
serDeser(bs, b1, bos.toByteArray(), null, null);
// refresh block
b1 = (Block) bs.deserialize(new ByteArrayInputStream(blockBytes));
bRef = (Block) bsRef.deserialize(new ByteArrayInputStream(blockBytes));
// change a value in header
b1.setNonce(23);
bRef.setNonce(23);
assertTrue(b1.isParsedHeader());
assertEquals(lazy, !b1.isParsedTransactions());
assertFalse(b1.isHeaderBytesValid());
if (b1.isParsedTransactions()) assertEquals(retain, b1.isTransactionBytesValid());
else assertEquals(true, b1.isTransactionBytesValid());
// does it still match ref block?
bos.reset();
bsRef.serialize(bRef, bos);
serDeser(bs, b1, bos.toByteArray(), null, null);
// refresh block
b1 = (Block) bs.deserialize(new ByteArrayInputStream(blockBytes));
bRef = (Block) bsRef.deserialize(new ByteArrayInputStream(blockBytes));
// retrieve a value from a child of a child
b1.getTransactions();
if (b1.getTransactions().size() > 0) {
Transaction tx1 = b1.getTransactions().get(0);
TransactionInput tin = tx1.getInputs().get(0);
assertTrue(tx1.isParsed());
assertTrue(b1.isParsedTransactions());
assertEquals(!lazy, b1.isParsedHeader());
assertEquals(!lazy, tin.isParsed());
assertEquals(tin.isParsed() ? retain : true, tin.isCached());
// does it still match ref tx?
bos.reset();
bsRef.serialize(bRef, bos);
serDeser(bs, b1, bos.toByteArray(), null, null);
}
// refresh block
b1 = (Block) bs.deserialize(new ByteArrayInputStream(blockBytes));
bRef = (Block) bsRef.deserialize(new ByteArrayInputStream(blockBytes));
// add an input
b1.getTransactions();
if (b1.getTransactions().size() > 0) {
Transaction tx1 = b1.getTransactions().get(0);
if (tx1.getInputs().size() > 0) {
tx1.addInput(tx1.getInputs().get(0));
// replicate on reference tx
bRef.getTransactions().get(0).addInput(bRef.getTransactions().get(0).getInputs().get(0));
assertFalse(tx1.isCached());
assertTrue(tx1.isParsed());
assertFalse(b1.isTransactionBytesValid());
assertTrue(b1.isParsedHeader());
// confirm sibling cache status was unaffected
if (tx1.getInputs().size() > 1) {
boolean parsed = tx1.getInputs().get(1).isParsed();
assertEquals(parsed ? retain : true, tx1.getInputs().get(1).isCached());
assertEquals(!lazy, parsed);
}
// this has to be false. Altering a tx invalidates the merkle root.
// when we have seperate merkle caching then the entire header won't need to be
// invalidated.
assertFalse(b1.isHeaderBytesValid());
bos.reset();
bsRef.serialize(bRef, bos);
byte[] source = bos.toByteArray();
// confirm we still match the reference tx.
serDeser(bs, b1, source, null, null);
}
// does it still match ref tx?
bos.reset();
bsRef.serialize(bRef, bos);
serDeser(bs, b1, bos.toByteArray(), null, null);
}
// refresh block
b1 = (Block) bs.deserialize(new ByteArrayInputStream(blockBytes));
Block b2 = (Block) bs.deserialize(new ByteArrayInputStream(blockBytes));
bRef = (Block) bsRef.deserialize(new ByteArrayInputStream(blockBytes));
Block bRef2 = (Block) bsRef.deserialize(new ByteArrayInputStream(blockBytes));
// reparent an input
b1.getTransactions();
if (b1.getTransactions().size() > 0) {
Transaction tx1 = b1.getTransactions().get(0);
Transaction tx2 = b2.getTransactions().get(0);
if (tx1.getInputs().size() > 0) {
TransactionInput fromTx1 = tx1.getInputs().get(0);
tx2.addInput(fromTx1);
// replicate on reference tx
TransactionInput fromTxRef = bRef.getTransactions().get(0).getInputs().get(0);
bRef2.getTransactions().get(0).addInput(fromTxRef);
// b1 hasn't changed but it's no longer in the parent
// chain of fromTx1 so has to have been uncached since it won't be
// notified of changes throught the parent chain anymore.
assertFalse(b1.isTransactionBytesValid());
// b2 should have it's cache invalidated because it has changed.
assertFalse(b2.isTransactionBytesValid());
bos.reset();
bsRef.serialize(bRef2, bos);
byte[] source = bos.toByteArray();
// confirm altered block matches altered ref block.
serDeser(bs, b2, source, null, null);
}
// does unaltered block still match ref block?
bos.reset();
bsRef.serialize(bRef, bos);
serDeser(bs, b1, bos.toByteArray(), null, null);
// how about if we refresh it?
bRef = (Block) bsRef.deserialize(new ByteArrayInputStream(blockBytes));
bos.reset();
bsRef.serialize(bRef, bos);
serDeser(bs, b1, bos.toByteArray(), null, null);
}
}
private void checkTimeLockedDependency(boolean shouldAccept, boolean useNotFound)
throws Exception {
// Initial setup.
connectWithVersion(useNotFound ? 70001 : 60001);
ECKey key = new ECKey();
Wallet wallet = new Wallet(unitTestParams);
wallet.addKey(key);
wallet.setAcceptRiskyTransactions(shouldAccept);
peer.addWallet(wallet);
final Transaction[] vtx = new Transaction[1];
wallet.addEventListener(
new AbstractWalletEventListener() {
@Override
public void onCoinsReceived(
Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance) {
vtx[0] = tx;
}
});
// t1 -> t2 [locked] -> t3 (not available)
Transaction t2 = new Transaction(unitTestParams);
t2.setLockTime(999999);
// Add a fake input to t3 that goes nowhere.
Sha256Hash t3 = Sha256Hash.create("abc".getBytes(Charset.forName("UTF-8")));
t2.addInput(
new TransactionInput(
unitTestParams, t2, new byte[] {}, new TransactionOutPoint(unitTestParams, 0, t3)));
t2.getInput(0).setSequenceNumber(0xDEADBEEF);
t2.addOutput(Utils.toNanoCoins(1, 0), new ECKey());
Transaction t1 = new Transaction(unitTestParams);
t1.addInput(t2.getOutput(0));
t1.addOutput(Utils.toNanoCoins(1, 0), key); // Make it relevant.
// Announce t1.
InventoryMessage inv = new InventoryMessage(unitTestParams);
inv.addTransaction(t1);
inbound(writeTarget, inv);
// Send it.
GetDataMessage getdata = (GetDataMessage) outbound(writeTarget);
assertEquals(t1.getHash(), getdata.getItems().get(0).hash);
inbound(writeTarget, t1);
// Nothing arrived at our event listener yet.
assertNull(vtx[0]);
// We request t2.
getdata = (GetDataMessage) outbound(writeTarget);
assertEquals(t2.getHash(), getdata.getItems().get(0).hash);
inbound(writeTarget, t2);
if (!useNotFound) bouncePing();
// We request t3.
getdata = (GetDataMessage) outbound(writeTarget);
assertEquals(t3, getdata.getItems().get(0).hash);
// Can't find it: bottom of tree.
if (useNotFound) {
NotFoundMessage notFound = new NotFoundMessage(unitTestParams);
notFound.addItem(new InventoryItem(InventoryItem.Type.Transaction, t3));
inbound(writeTarget, notFound);
} else {
bouncePing();
}
pingAndWait(writeTarget);
Threading.waitForUserCode();
// We're done but still not notified because it was timelocked.
if (shouldAccept) assertNotNull(vtx[0]);
else assertNull(vtx[0]);
}
public void recursiveDownload(boolean useNotFound) throws Exception {
// Using ping or notfound?
connectWithVersion(useNotFound ? 70001 : 60001);
// Check that we can download all dependencies of an unconfirmed relevant transaction from the
// mempool.
ECKey to = new ECKey();
final Transaction[] onTx = new Transaction[1];
peer.addEventListener(
new AbstractPeerEventListener() {
@Override
public void onTransaction(Peer peer1, Transaction t) {
onTx[0] = t;
}
},
Threading.SAME_THREAD);
// Make the some fake transactions in the following graph:
// t1 -> t2 -> [t5]
// -> t3 -> t4 -> [t6]
// -> [t7]
// -> [t8]
// The ones in brackets are assumed to be in the chain and are represented only by hashes.
Transaction t2 = TestUtils.createFakeTx(unitTestParams, Utils.toNanoCoins(1, 0), to);
Sha256Hash t5 = t2.getInput(0).getOutpoint().getHash();
Transaction t4 = TestUtils.createFakeTx(unitTestParams, Utils.toNanoCoins(1, 0), new ECKey());
Sha256Hash t6 = t4.getInput(0).getOutpoint().getHash();
t4.addOutput(Utils.toNanoCoins(1, 0), new ECKey());
Transaction t3 = new Transaction(unitTestParams);
t3.addInput(t4.getOutput(0));
t3.addOutput(Utils.toNanoCoins(1, 0), new ECKey());
Transaction t1 = new Transaction(unitTestParams);
t1.addInput(t2.getOutput(0));
t1.addInput(t3.getOutput(0));
Sha256Hash someHash =
new Sha256Hash("2b801dd82f01d17bbde881687bf72bc62e2faa8ab8133d36fcb8c3abe7459da6");
t1.addInput(
new TransactionInput(
unitTestParams,
t1,
new byte[] {},
new TransactionOutPoint(unitTestParams, 0, someHash)));
Sha256Hash anotherHash =
new Sha256Hash("3b801dd82f01d17bbde881687bf72bc62e2faa8ab8133d36fcb8c3abe7459da6");
t1.addInput(
new TransactionInput(
unitTestParams,
t1,
new byte[] {},
new TransactionOutPoint(unitTestParams, 1, anotherHash)));
t1.addOutput(Utils.toNanoCoins(1, 0), to);
t1 = TestUtils.roundTripTransaction(unitTestParams, t1);
t2 = TestUtils.roundTripTransaction(unitTestParams, t2);
t3 = TestUtils.roundTripTransaction(unitTestParams, t3);
t4 = TestUtils.roundTripTransaction(unitTestParams, t4);
// Announce the first one. Wait for it to be downloaded.
InventoryMessage inv = new InventoryMessage(unitTestParams);
inv.addTransaction(t1);
inbound(writeTarget, inv);
GetDataMessage getdata = (GetDataMessage) outbound(writeTarget);
Threading.waitForUserCode();
assertEquals(t1.getHash(), getdata.getItems().get(0).hash);
inbound(writeTarget, t1);
pingAndWait(writeTarget);
assertEquals(t1, onTx[0]);
// We want its dependencies so ask for them.
ListenableFuture<List<Transaction>> futures = peer.downloadDependencies(t1);
assertFalse(futures.isDone());
// It will recursively ask for the dependencies of t1: t2, t3, someHash and anotherHash.
getdata = (GetDataMessage) outbound(writeTarget);
assertEquals(4, getdata.getItems().size());
assertEquals(t2.getHash(), getdata.getItems().get(0).hash);
assertEquals(t3.getHash(), getdata.getItems().get(1).hash);
assertEquals(someHash, getdata.getItems().get(2).hash);
assertEquals(anotherHash, getdata.getItems().get(3).hash);
long nonce = -1;
if (!useNotFound) nonce = ((Ping) outbound(writeTarget)).getNonce();
// For some random reason, t4 is delivered at this point before it's needed - perhaps it was a
// Bloom filter
// false positive. We do this to check that the mempool is being checked for seen transactions
// before
// requesting them.
inbound(writeTarget, t4);
// Deliver the requested transactions.
inbound(writeTarget, t2);
inbound(writeTarget, t3);
if (useNotFound) {
NotFoundMessage notFound = new NotFoundMessage(unitTestParams);
notFound.addItem(new InventoryItem(InventoryItem.Type.Transaction, someHash));
notFound.addItem(new InventoryItem(InventoryItem.Type.Transaction, anotherHash));
inbound(writeTarget, notFound);
} else {
inbound(writeTarget, new Pong(nonce));
}
assertFalse(futures.isDone());
// It will recursively ask for the dependencies of t2: t5 and t4, but not t3 because it already
// found t4.
getdata = (GetDataMessage) outbound(writeTarget);
assertEquals(getdata.getItems().get(0).hash, t2.getInput(0).getOutpoint().getHash());
// t5 isn't found and t4 is.
if (useNotFound) {
NotFoundMessage notFound = new NotFoundMessage(unitTestParams);
notFound.addItem(new InventoryItem(InventoryItem.Type.Transaction, t5));
inbound(writeTarget, notFound);
} else {
bouncePing();
}
assertFalse(futures.isDone());
// Continue to explore the t4 branch and ask for t6, which is in the chain.
getdata = (GetDataMessage) outbound(writeTarget);
assertEquals(t6, getdata.getItems().get(0).hash);
if (useNotFound) {
NotFoundMessage notFound = new NotFoundMessage(unitTestParams);
notFound.addItem(new InventoryItem(InventoryItem.Type.Transaction, t6));
inbound(writeTarget, notFound);
} else {
bouncePing();
}
pingAndWait(writeTarget);
// That's it, we explored the entire tree.
assertTrue(futures.isDone());
List<Transaction> results = futures.get();
assertTrue(results.contains(t2));
assertTrue(results.contains(t3));
assertTrue(results.contains(t4));
}