@Test
public void testGetOpenTransactionOutputs() throws Exception {
final int UNDOABLE_BLOCKS_STORED = 10;
store = createStore(params, UNDOABLE_BLOCKS_STORED);
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);
Transaction transaction = rollingBlock.getTransactions().get(0);
TransactionOutPoint spendableOutput = new TransactionOutPoint(params, 0, transaction.getHash());
byte[] spendableOutputScriptPubKey = transaction.getOutputs().get(0).getScriptBytes();
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);
// Create bitcoin spend of 1 BTC.
ECKey toKey = new ECKey();
Coin amount = Coin.valueOf(100000000);
Address address = new Address(params, toKey.getPubKeyHash());
Coin totalAmount = Coin.ZERO;
Transaction t = new Transaction(params);
t.addOutput(new TransactionOutput(params, t, amount, toKey));
t.addSignedInput(spendableOutput, new Script(spendableOutputScriptPubKey), outKey);
rollingBlock.addTransaction(t);
rollingBlock.solve();
chain.add(rollingBlock);
totalAmount = totalAmount.add(amount);
List<UTXO> outputs = store.getOpenTransactionOutputs(Lists.newArrayList(address));
assertNotNull(outputs);
assertEquals("Wrong Number of Outputs", 1, outputs.size());
UTXO output = outputs.get(0);
assertEquals("The address is not equal", address.toString(), output.getAddress());
assertEquals("The amount is not equal", totalAmount, output.getValue());
outputs = null;
output = null;
try {
store.close();
} catch (Exception e) {
}
}
/** Test that if the block height is missing from coinbase of a version 2 block, it's rejected. */
@Test
public void missingHeightFromCoinbase() throws Exception {
final int UNDOABLE_BLOCKS_STORED = params.getMajorityEnforceBlockUpgrade() + 1;
store = createStore(params, UNDOABLE_BLOCKS_STORED);
try {
chain = new FullPrunedBlockChain(params, store);
ECKey outKey = new ECKey();
int height = 1;
Block chainHead = params.getGenesisBlock();
// Build some blocks on genesis block to create a spendable output.
// Put in just enough v1 blocks to stop the v2 blocks from forming a majority
for (height = 1;
height <= (params.getMajorityWindow() - params.getMajorityEnforceBlockUpgrade());
height++) {
chainHead =
chainHead.createNextBlockWithCoinbase(
Block.BLOCK_VERSION_GENESIS, outKey.getPubKey(), height);
chain.add(chainHead);
}
// Fill the rest of the window in with v2 blocks
for (; height < params.getMajorityWindow(); height++) {
chainHead =
chainHead.createNextBlockWithCoinbase(
Block.BLOCK_VERSION_BIP34, outKey.getPubKey(), height);
chain.add(chainHead);
}
// Throw a broken v2 block in before we have a supermajority to enable
// enforcement, which should validate as-is
chainHead =
chainHead.createNextBlockWithCoinbase(
Block.BLOCK_VERSION_BIP34, outKey.getPubKey(), height * 2);
chain.add(chainHead);
height++;
// Trying to add a broken v2 block should now result in rejection as
// we have a v2 supermajority
thrown.expect(VerificationException.CoinbaseHeightMismatch.class);
chainHead =
chainHead.createNextBlockWithCoinbase(
Block.BLOCK_VERSION_BIP34, outKey.getPubKey(), height * 2);
chain.add(chainHead);
} catch (final VerificationException ex) {
throw (Exception) ex.getCause();
} finally {
try {
store.close();
} catch (Exception e) {
// Catch and drop any exception so a break mid-test doesn't result
// in a new exception being thrown and the original lost
}
}
}
@Test
public void testGeneratedChain() throws Exception {
// Tests various test cases from FullBlockTestGenerator
FullBlockTestGenerator generator = new FullBlockTestGenerator(params);
RuleList blockList = generator.getBlocksToTest(false, false, null);
store = createStore(params, blockList.maximumReorgBlockCount);
chain = new FullPrunedBlockChain(params, store);
for (Rule rule : blockList.list) {
if (!(rule instanceof FullBlockTestGenerator.BlockAndValidity)) continue;
FullBlockTestGenerator.BlockAndValidity block =
(FullBlockTestGenerator.BlockAndValidity) rule;
log.info("Testing rule " + block.ruleName + " with block hash " + block.block.getHash());
boolean threw = false;
try {
if (chain.add(block.block) != block.connects) {
log.error("Block didn't match connects flag on block " + block.ruleName);
fail();
}
} catch (VerificationException e) {
threw = true;
if (!block.throwsException) {
log.error("Block didn't match throws flag on block " + block.ruleName);
throw e;
}
if (block.connects) {
log.error("Block didn't match connects flag on block " + block.ruleName);
fail();
}
}
if (!threw && block.throwsException) {
log.error("Block didn't match throws flag on block " + block.ruleName);
fail();
}
if (!chain.getChainHead().getHeader().getHash().equals(block.hashChainTipAfterBlock)) {
log.error("New block head didn't match the correct value after block " + block.ruleName);
fail();
}
if (chain.getChainHead().getHeight() != block.heightAfterBlock) {
log.error("New block head didn't match the correct height after block " + block.ruleName);
fail();
}
}
try {
store.close();
} catch (Exception e) {
}
}
@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) {
}
}
@Test
public void testFirst100KBlocks() throws Exception {
NetworkParameters params = MainNetParams.get();
Context context = new Context(params);
File blockFile = new File(getClass().getResource("first-100k-blocks.dat").getFile());
BlockFileLoader loader = new BlockFileLoader(params, Arrays.asList(blockFile));
store = createStore(params, 10);
resetStore(store);
chain = new FullPrunedBlockChain(context, store);
for (Block block : loader) chain.add(block);
try {
store.close();
} catch (Exception e) {
}
}
@Test
public void testUTXOProviderWithWallet() throws Exception {
final int UNDOABLE_BLOCKS_STORED = 10;
store = createStore(params, UNDOABLE_BLOCKS_STORED);
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);
Transaction transaction = rollingBlock.getTransactions().get(0);
TransactionOutPoint spendableOutput = new TransactionOutPoint(params, 0, transaction.getHash());
byte[] spendableOutputScriptPubKey = transaction.getOutputs().get(0).getScriptBytes();
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);
// Create 1 BTC spend to a key in this wallet (to ourselves).
Wallet wallet = new Wallet(params);
assertEquals(
"Available balance is incorrect",
Coin.ZERO,
wallet.getBalance(Wallet.BalanceType.AVAILABLE));
assertEquals(
"Estimated balance is incorrect",
Coin.ZERO,
wallet.getBalance(Wallet.BalanceType.ESTIMATED));
wallet.setUTXOProvider(store);
ECKey toKey = wallet.freshReceiveKey();
Coin amount = Coin.valueOf(100000000);
Transaction t = new Transaction(params);
t.addOutput(new TransactionOutput(params, t, amount, toKey));
t.addSignedInput(spendableOutput, new Script(spendableOutputScriptPubKey), outKey);
rollingBlock.addTransaction(t);
rollingBlock.solve();
chain.add(rollingBlock);
// Create another spend of 1/2 the value of BTC we have available using the wallet (store coin
// selector).
ECKey toKey2 = new ECKey();
Coin amount2 = amount.divide(2);
Address address2 = new Address(params, toKey2.getPubKeyHash());
Wallet.SendRequest req = Wallet.SendRequest.to(address2, amount2);
wallet.completeTx(req);
wallet.commitTx(req.tx);
Coin fee = req.fee;
// There should be one pending tx (our spend).
assertEquals(
"Wrong number of PENDING.4", 1, wallet.getPoolSize(WalletTransaction.Pool.PENDING));
Coin totalPendingTxAmount = Coin.ZERO;
for (Transaction tx : wallet.getPendingTransactions()) {
totalPendingTxAmount = totalPendingTxAmount.add(tx.getValueSentToMe(wallet));
}
// The availbale balance should be the 0 (as we spent the 1 BTC that's pending) and estimated
// should be 1/2 - fee BTC
assertEquals(
"Available balance is incorrect",
Coin.ZERO,
wallet.getBalance(Wallet.BalanceType.AVAILABLE));
assertEquals(
"Estimated balance is incorrect",
amount2.subtract(fee),
wallet.getBalance(Wallet.BalanceType.ESTIMATED));
assertEquals("Pending tx amount is incorrect", amount2.subtract(fee), totalPendingTxAmount);
try {
store.close();
} catch (Exception e) {
}
}
@Test
public void testFinalizedBlocks() throws Exception {
final int UNDOABLE_BLOCKS_STORED = 10;
store = createStore(params, UNDOABLE_BLOCKS_STORED);
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);
TransactionOutPoint spendableOutput =
new TransactionOutPoint(params, 0, rollingBlock.getTransactions().get(0).getHash());
byte[] spendableOutputScriptPubKey =
rollingBlock.getTransactions().get(0).getOutputs().get(0).getScriptBytes();
for (int i = 1; i < params.getSpendableCoinbaseDepth(); i++) {
rollingBlock =
rollingBlock.createNextBlockWithCoinbase(
Block.BLOCK_VERSION_GENESIS, outKey.getPubKey(), height++);
chain.add(rollingBlock);
}
WeakReference<UTXO> out =
new WeakReference<UTXO>(
store.getTransactionOutput(spendableOutput.getHash(), spendableOutput.getIndex()));
rollingBlock = rollingBlock.createNextBlock(null);
Transaction t = new Transaction(params);
// Entirely invalid scriptPubKey
t.addOutput(new TransactionOutput(params, t, FIFTY_COINS, new byte[] {}));
t.addSignedInput(spendableOutput, new Script(spendableOutputScriptPubKey), outKey);
rollingBlock.addTransaction(t);
rollingBlock.solve();
chain.add(rollingBlock);
WeakReference<StoredUndoableBlock> undoBlock =
new WeakReference<StoredUndoableBlock>(store.getUndoBlock(rollingBlock.getHash()));
StoredUndoableBlock storedUndoableBlock = undoBlock.get();
assertNotNull(storedUndoableBlock);
assertNull(storedUndoableBlock.getTransactions());
WeakReference<TransactionOutputChanges> changes =
new WeakReference<TransactionOutputChanges>(storedUndoableBlock.getTxOutChanges());
assertNotNull(changes.get());
storedUndoableBlock = null; // Blank the reference so it can be GCd.
// Create a chain longer than UNDOABLE_BLOCKS_STORED
for (int i = 0; i < UNDOABLE_BLOCKS_STORED; i++) {
rollingBlock = rollingBlock.createNextBlock(null);
chain.add(rollingBlock);
}
// Try to get the garbage collector to run
System.gc();
assertNull(undoBlock.get());
assertNull(changes.get());
assertNull(out.get());
try {
store.close();
} catch (Exception e) {
}
}