@Test
public void retryFailedBroadcast() throws Exception {
// If we create a spend, it's sent to a peer that swallows it, and the peergroup is
// removed/re-added then
// the tx should be broadcast again.
InboundMessageQueuer p1 = connectPeer(1);
connectPeer(2);
// Send ourselves a bit of money.
Block b1 = TestUtils.makeSolvedTestBlock(blockStore, address);
inbound(p1, b1);
assertNull(outbound(p1));
assertEquals(Utils.toNanoCoins(50, 0), wallet.getBalance());
// Now create a spend, and expect the announcement on p1.
Address dest = new ECKey().toAddress(params);
Wallet.SendResult sendResult = wallet.sendCoins(peerGroup, dest, Utils.toNanoCoins(1, 0));
assertFalse(sendResult.broadcastComplete.isDone());
Transaction t1 = (Transaction) outbound(p1);
assertFalse(sendResult.broadcastComplete.isDone());
// p1 eats it :( A bit later the PeerGroup is taken down.
peerGroup.removeWallet(wallet);
peerGroup.addWallet(wallet);
// We want to hear about it again. Now, because we've disabled the randomness for the unit tests
// it will
// re-appear on p1 again. Of course in the real world it would end up with a different set of
// peers and
// select randomly so we get a second chance.
Transaction t2 = (Transaction) outbound(p1);
assertEquals(t1, t2);
}
@Test
public void peerGroupWalletIntegration() throws Exception {
// Make sure we can create spends, and that they are announced. Then do the same with offline
// mode.
// Set up connections and block chain.
VersionMessage ver = new VersionMessage(params, 2);
ver.localServices = VersionMessage.NODE_NETWORK;
InboundMessageQueuer p1 = connectPeer(1, ver);
InboundMessageQueuer p2 = connectPeer(2);
// Send ourselves a bit of money.
Block b1 = TestUtils.makeSolvedTestBlock(blockStore, address);
inbound(p1, b1);
pingAndWait(p1);
assertNull(outbound(p1));
assertEquals(Utils.toNanoCoins(50, 0), wallet.getBalance());
// Check that the wallet informs us of changes in confidence as the transaction ripples across
// the network.
final Transaction[] transactions = new Transaction[1];
wallet.addEventListener(
new AbstractWalletEventListener() {
@Override
public void onTransactionConfidenceChanged(Wallet wallet, Transaction tx) {
transactions[0] = tx;
}
});
// Now create a spend, and expect the announcement on p1.
Address dest = new ECKey().toAddress(params);
Wallet.SendResult sendResult = wallet.sendCoins(peerGroup, dest, Utils.toNanoCoins(1, 0));
assertNotNull(sendResult.tx);
Threading.waitForUserCode();
assertFalse(sendResult.broadcastComplete.isDone());
assertEquals(transactions[0], sendResult.tx);
assertEquals(0, transactions[0].getConfidence().numBroadcastPeers());
transactions[0] = null;
Transaction t1 = (Transaction) outbound(p1);
assertNotNull(t1);
// 49 BTC in change.
assertEquals(Utils.toNanoCoins(49, 0), t1.getValueSentToMe(wallet));
// The future won't complete until it's heard back from the network on p2.
InventoryMessage inv = new InventoryMessage(params);
inv.addTransaction(t1);
inbound(p2, inv);
pingAndWait(p2);
Threading.waitForUserCode();
assertTrue(sendResult.broadcastComplete.isDone());
assertEquals(transactions[0], sendResult.tx);
assertEquals(1, transactions[0].getConfidence().numBroadcastPeers());
// Confirm it.
Block b2 = TestUtils.createFakeBlock(blockStore, t1).block;
inbound(p1, b2);
pingAndWait(p1);
assertNull(outbound(p1));
// Do the same thing with an offline transaction.
peerGroup.removeWallet(wallet);
Wallet.SendRequest req = Wallet.SendRequest.to(dest, Utils.toNanoCoins(2, 0));
req.ensureMinRequiredFee = false;
Transaction t3 = checkNotNull(wallet.sendCoinsOffline(req));
assertNull(outbound(p1)); // Nothing sent.
// Add the wallet to the peer group (simulate initialization). Transactions should be announced.
peerGroup.addWallet(wallet);
// Transaction announced to the first peer.
assertEquals(t3.getHash(), ((Transaction) outbound(p1)).getHash());
}