@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 = FakeTxBuilder.makeSolvedTestBlock(blockStore, address);
inbound(p1, b1);
pingAndWait(p1);
assertNull(outbound(p1));
assertEquals(FIFTY_COINS, 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, COIN);
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;
{
peerGroup.waitForJobQueue();
Message m = outbound(p1);
// Hack: bloom filters are recalculated asynchronously to sending transactions to avoid lock
// inversion, so we might or might not get the filter/mempool message first or second.
while (!(m instanceof Transaction)) m = outbound(p1);
t1 = (Transaction) m;
}
assertNotNull(t1);
// 49 BTC in change.
assertEquals(valueOf(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 = FakeTxBuilder.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, valueOf(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. No extra Bloom filter because no change address was
// needed.
assertEquals(t3.getHash(), ((Transaction) outbound(p1)).getHash());
}
/** Creates a new inv message for the given transactions. */
public static InventoryMessage with(Transaction... txns) {
checkArgument(txns.length > 0);
InventoryMessage result = new InventoryMessage(txns[0].getParams());
for (Transaction tx : txns) result.addTransaction(tx);
return result;
}