public void timeLockedTransaction(boolean useNotFound) throws Exception {
connectWithVersion(useNotFound ? 70001 : 60001);
// Test that if we receive a relevant transaction that has a lock time, it doesn't result in a
// notification
// until we explicitly opt in to seeing those.
ECKey key = new ECKey();
Wallet wallet = new Wallet(unitTestParams);
wallet.addKey(key);
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;
}
});
// Send a normal relevant transaction, it's received correctly.
Transaction t1 = TestUtils.createFakeTx(unitTestParams, Utils.toNanoCoins(1, 0), key);
inbound(writeTarget, t1);
GetDataMessage getdata = (GetDataMessage) outbound(writeTarget);
if (useNotFound) {
inbound(writeTarget, new NotFoundMessage(unitTestParams, getdata.getItems()));
} else {
bouncePing();
}
pingAndWait(writeTarget);
Threading.waitForUserCode();
assertNotNull(vtx[0]);
vtx[0] = null;
// Send a timelocked transaction, nothing happens.
Transaction t2 = TestUtils.createFakeTx(unitTestParams, Utils.toNanoCoins(2, 0), key);
t2.setLockTime(999999);
inbound(writeTarget, t2);
Threading.waitForUserCode();
assertNull(vtx[0]);
// Now we want to hear about them. Send another, we are told about it.
wallet.setAcceptRiskyTransactions(true);
inbound(writeTarget, t2);
getdata = (GetDataMessage) outbound(writeTarget);
if (useNotFound) {
inbound(writeTarget, new NotFoundMessage(unitTestParams, getdata.getItems()));
} else {
bouncePing();
}
pingAndWait(writeTarget);
Threading.waitForUserCode();
assertEquals(t2, vtx[0]);
}
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]);
}