import com.google.bitcoin.params.RegTestParams; //导入依赖的package包/类
@Test
public void selectable() throws Exception {
    Transaction t;
    t = new Transaction(params);
    t.getConfidence().setConfidenceType(TransactionConfidence.ConfidenceType.PENDING);
    assertFalse(DefaultCoinSelector.isSelectable(t));
    t.getConfidence().setSource(TransactionConfidence.Source.SELF);
    assertFalse(DefaultCoinSelector.isSelectable(t));
    t.getConfidence().markBroadcastBy(new PeerAddress(InetAddress.getByName("1.2.3.4")));
    assertFalse(DefaultCoinSelector.isSelectable(t));
    t.getConfidence().markBroadcastBy(new PeerAddress(InetAddress.getByName("5.6.7.8")));
    assertTrue(DefaultCoinSelector.isSelectable(t));
    t = new Transaction(params);
    t.getConfidence().setConfidenceType(TransactionConfidence.ConfidenceType.BUILDING);
    assertTrue(DefaultCoinSelector.isSelectable(t));
    t = new Transaction(RegTestParams.get());
    t.getConfidence().setConfidenceType(TransactionConfidence.ConfidenceType.PENDING);
    t.getConfidence().setSource(TransactionConfidence.Source.SELF);
    assertTrue(DefaultCoinSelector.isSelectable(t));
}
 

import com.google.bitcoin.params.RegTestParams; //导入依赖的package包/类
private WalletAppKit initializeKit() {

        BriefLogFormatter.init();

        final NetworkParameters params = getNetworkParameters();
        final String filePrefix = getFilePrefix();

        // Start up a basic app using a class that automates some boilerplate.
        final WalletAppKit tmpKit = new WalletAppKit(params, new File(config.getInstallDirectory()), filePrefix);
        tmpKit.setAutoSave(true);
        tmpKit.setUserAgent("killbill", "1.0");

        if (params == RegTestParams.get()) {
            // Regression test mode is designed for testing and development only, so there's no public network for it.
            // If you pick this mode, you're expected to be running a local "bitcoind -regtest" instance.
            tmpKit.connectToLocalHost();
        }
        return tmpKit;
    }
 

import com.google.bitcoin.params.RegTestParams; //导入依赖的package包/类
public static boolean isSelectable(Transaction tx) {
    // Only pick chain-included transactions, or transactions that are ours and pending.
    TransactionConfidence confidence = tx.getConfidence();
    TransactionConfidence.ConfidenceType type = confidence.getConfidenceType();
    return type.equals(TransactionConfidence.ConfidenceType.BUILDING) ||

           type.equals(TransactionConfidence.ConfidenceType.PENDING) &&
           confidence.getSource().equals(TransactionConfidence.Source.SELF) &&
           // In regtest mode we expect to have only one peer, so we won't see transactions propagate.
           // TODO: The value 1 below dates from a time when transactions we broadcast *to* were counted, set to 0
           (confidence.numBroadcastPeers() > 1 || tx.getParams() == RegTestParams.get());
}
 

import com.google.bitcoin.params.RegTestParams; //导入依赖的package包/类
@VisibleForTesting
NetworkParameters getNetworkParameters() {
    NetworkParameters params;
    if (config.getNetworkName().equals("testnet")) {
        params = TestNet3Params.get();
    } else if (config.getNetworkName().equals("regtest")) {
        params = RegTestParams.get();
    } else {
        params = MainNetParams.get();
    }
    return params;
}
 

import com.google.bitcoin.params.RegTestParams; //导入依赖的package包/类
public static boolean isSelectable(Transaction tx, int requiredNumBroadcastPeers) {
    // Only pick chain-included transactions, or transactions that are ours and pending.
    TransactionConfidence confidence = tx.getConfidence();
    TransactionConfidence.ConfidenceType type = confidence.getConfidenceType();
    return type.equals(TransactionConfidence.ConfidenceType.BUILDING) ||

           type.equals(TransactionConfidence.ConfidenceType.PENDING) &&
           confidence.getSource().equals(TransactionConfidence.Source.SELF) &&
           // In regtest mode we expect to have only one peer, so we won't see transactions propagate.
           // TODO: The value 1 below dates from a time when transactions we broadcast *to* were counted, set to 0
           (confidence.numBroadcastPeers() >= requiredNumBroadcastPeers || tx.getParams() == RegTestParams.get());
}
 

import com.google.bitcoin.params.RegTestParams; //导入依赖的package包/类
public static void main(String[] args) throws Exception {
    // This line makes the log output more compact and easily read, especially when using the JDK log adapter.
    BriefLogFormatter.init();
    if (args.length < 1) {
        System.err.println("Usage: address-to-send-back-to [regtest|testnet]");
        return;
    }

    // Figure out which network we should connect to. Each one gets its own set of files.
    NetworkParameters params;
    String filePrefix;
    if (args.length > 1 && args[1].equals("testnet")) {
        params = TestNet3Params.get();
        filePrefix = "forwarding-service-testnet";
    } else if (args.length > 1 && args[1].equals("regtest")) {
        params = RegTestParams.get();
        filePrefix = "forwarding-service-regtest";
    } else {
        params = MainNetParams.get();
        filePrefix = "forwarding-service";
    }
    // Parse the address given as the first parameter.
    forwardingAddress = new Address(params, args[0]);

    // Start up a basic app using a class that automates some boilerplate.
    kit = new WalletAppKit(params, new File("."), filePrefix);

    if (params == RegTestParams.get()) {
        // Regression test mode is designed for testing and development only, so there's no public network for it.
        // If you pick this mode, you're expected to be running a local "bitcoind -regtest" instance.
        kit.connectToLocalHost();
    }

    // Download the block chain and wait until it's done.
    kit.startAndWait();

    // We want to know when we receive money.
    kit.wallet().addEventListener(new AbstractWalletEventListener() {
        @Override
        public void onCoinsReceived(Wallet w, Transaction tx, BigInteger prevBalance, BigInteger newBalance) {
            // Runs in the dedicated "user thread" (see bitcoinj docs for more info on this).
            //
            // The transaction "tx" can either be pending, or included into a block (we didn't see the broadcast).
            BigInteger value = tx.getValueSentToMe(w);
            System.out.println("Received tx for " + Utils.bitcoinValueToFriendlyString(value) + ": " + tx);
            System.out.println("Transaction will be forwarded after it confirms.");
            // Wait until it's made it into the block chain (may run immediately if it's already there).
            //
            // For this dummy app of course, we could just forward the unconfirmed transaction. If it were
            // to be double spent, no harm done. Wallet.allowSpendingUnconfirmedTransactions() would have to
            // be called in onSetupCompleted() above. But we don't do that here to demonstrate the more common
            // case of waiting for a block.
            Futures.addCallback(tx.getConfidence().getDepthFuture(1), new FutureCallback<Transaction>() {
                @Override
                public void onSuccess(Transaction result) {
                    // "result" here is the same as "tx" above, but we use it anyway for clarity.
                    forwardCoins(result);
                }

                @Override
                public void onFailure(Throwable t) {
                    // This kind of future can't fail, just rethrow in case something weird happens.
                    throw new RuntimeException(t);
                }
            });
        }
    });

    Address sendToAddress = kit.wallet().getKeys().get(0).toAddress(params);
    System.out.println("Send coins to: " + sendToAddress);
    System.out.println("Waiting for coins to arrive. Press Ctrl-C to quit.");

    try {
        Thread.sleep(Long.MAX_VALUE);
    } catch (InterruptedException ignored) {}
}
 

import com.google.bitcoin.params.RegTestParams; //导入依赖的package包/类
private void init(Stage mainWindow) throws IOException {
    if (System.getProperty("os.name").toLowerCase().contains("mac")) {
        AquaFx.style();
    }
    // Load the GUI. The Controller class will be automagically created and wired up.
    URL location = getClass().getResource("main.fxml");
    FXMLLoader loader = new FXMLLoader(location);
    mainUI = loader.load();
    Controller controller = loader.getController();
    // Configure the window with a StackPane so we can overlay things on top of the main UI.
    uiStack = new StackPane(mainUI);
    mainWindow.setTitle(APP_NAME);
    final Scene scene = new Scene(uiStack);
    TextFieldValidator.configureScene(scene);   // Add CSS that we need.
    mainWindow.setScene(scene);

    // Make log output concise.
    BriefLogFormatter.init();
    // Tell bitcoinj to run event handlers on the JavaFX UI thread. This keeps things simple and means
    // we cannot forget to switch threads when adding event handlers. Unfortunately, the DownloadListener
    // we give to the app kit is currently an exception and runs on a library thread. It'll get fixed in
    // a future version.
    Threading.USER_THREAD = Platform::runLater;
    // Create the app kit. It won't do any heavyweight initialization until after we start it.
    bitcoin = new WalletAppKit(params, new File("."), APP_NAME);
    if (params == RegTestParams.get()) {
        bitcoin.connectToLocalHost();   // You should run a regtest mode bitcoind locally.
    } else if (params == MainNetParams.get()) {
        // Checkpoints are block headers that ship inside our app: for a new user, we pick the last header
        // in the checkpoints file and then download the rest from the network. It makes things much faster.
        // Checkpoint files are made using the BuildCheckpoints tool and usually we have to download the
        // last months worth or more (takes a few seconds).
        bitcoin.setCheckpoints(getClass().getResourceAsStream("checkpoints"));
    }

    // Now configure and start the appkit. This will take a second or two - we could show a temporary splash screen
    // or progress widget to keep the user engaged whilst we initialise, but we don't.
    bitcoin.setDownloadListener(controller.progressBarUpdater())
           .setBlockingStartup(false)
           .setUserAgent(APP_NAME, "1.0")
           .startAndWait();
    // Don't make the user wait for confirmations for now, as the intention is they're sending it their own money!
    bitcoin.wallet().allowSpendingUnconfirmedTransactions();
    bitcoin.peerGroup().setMaxConnections(11);
    System.out.println(bitcoin.wallet());
    controller.onBitcoinSetup();
    mainWindow.show();
}
 

import com.google.bitcoin.params.RegTestParams; //导入依赖的package包/类
public static void main(String[] args) throws Exception {
    // This line makes the log output more compact and easily read, especially when using the JDK log adapter.
    BriefLogFormatter.init();
    if (args.length < 1) {
        System.err.println("Usage: address-to-send-back-to [regtest|testnet]");
        return;
    }

    // Figure out which network we should connect to. Each one gets its own set of files.
    NetworkParameters params;
    String filePrefix;
    if (args.length > 1 && args[1].equals("testnet")) {
        params = TestNet3Params.get();
        filePrefix = "forwarding-service-testnet";
    } else if (args.length > 1 && args[1].equals("regtest")) {
        params = RegTestParams.get();
        filePrefix = "forwarding-service-regtest";
    } else {
        params = MainNetParams.get();
        filePrefix = "forwarding-service";
    }
    // Parse the address given as the first parameter.
    forwardingAddress = new Address(params, args[0]);

    // Start up a basic app using a class that automates some boilerplate.
    kit = new WalletAppKit(params, new File("."), filePrefix);

    if (params == RegTestParams.get()) {
        // Regression test mode is designed for testing and development only, so there's no public network for it.
        // If you pick this mode, you're expected to be running a local "bitcoind -regtest" instance.
        kit.connectToLocalHost();
    }

    // Download the block chain and wait until it's done.
    kit.startAsync();
    kit.awaitRunning();

    // We want to know when we receive money.
    kit.wallet().addEventListener(new AbstractWalletEventListener() {
        @Override
        public void onCoinsReceived(Wallet w, Transaction tx, BigInteger prevBalance, BigInteger newBalance) {
            // Runs in the dedicated "user thread" (see bitcoinj docs for more info on this).
            //
            // The transaction "tx" can either be pending, or included into a block (we didn't see the broadcast).
            BigInteger value = tx.getValueSentToMe(w);
            System.out.println("Received tx for " + Utils.bitcoinValueToFriendlyString(value) + ": " + tx);
            System.out.println("Transaction will be forwarded after it confirms.");
            // Wait until it's made it into the block chain (may run immediately if it's already there).
            //
            // For this dummy app of course, we could just forward the unconfirmed transaction. If it were
            // to be double spent, no harm done. Wallet.allowSpendingUnconfirmedTransactions() would have to
            // be called in onSetupCompleted() above. But we don't do that here to demonstrate the more common
            // case of waiting for a block.
            Futures.addCallback(tx.getConfidence().getDepthFuture(1), new FutureCallback<Transaction>() {
                @Override
                public void onSuccess(Transaction result) {
                    // "result" here is the same as "tx" above, but we use it anyway for clarity.
                    forwardCoins(result);
                }

                @Override
                public void onFailure(Throwable t) {
                    // This kind of future can't fail, just rethrow in case something weird happens.
                    throw new RuntimeException(t);
                }
            });
        }
    });

    Address sendToAddress = kit.wallet().getKeys().get(0).toAddress(params);
    System.out.println("Send coins to: " + sendToAddress);
    System.out.println("Waiting for coins to arrive. Press Ctrl-C to quit.");

    try {
        Thread.sleep(Long.MAX_VALUE);
    } catch (InterruptedException ignored) {}
}
 

import com.google.bitcoin.params.RegTestParams; //导入依赖的package包/类
private void init(Stage mainWindow) throws IOException {
    if (System.getProperty("os.name").toLowerCase().contains("mac")) {
        AquaFx.style();
    }
    // Load the GUI. The Controller class will be automagically created and wired up.
    URL location = getClass().getResource("main.fxml");
    FXMLLoader loader = new FXMLLoader(location);
    mainUI = loader.load();
    Controller controller = loader.getController();
    // Configure the window with a StackPane so we can overlay things on top of the main UI.
    uiStack = new StackPane(mainUI);
    mainWindow.setTitle(APP_NAME);
    final Scene scene = new Scene(uiStack);
    TextFieldValidator.configureScene(scene);   // Add CSS that we need.
    mainWindow.setScene(scene);

    // Make log output concise.
    BriefLogFormatter.init();
    // Tell bitcoinj to run event handlers on the JavaFX UI thread. This keeps things simple and means
    // we cannot forget to switch threads when adding event handlers. Unfortunately, the DownloadListener
    // we give to the app kit is currently an exception and runs on a library thread. It'll get fixed in
    // a future version.
    Threading.USER_THREAD = Platform::runLater;
    // Create the app kit. It won't do any heavyweight initialization until after we start it.
    bitcoin = new WalletAppKit(params, new File("."), APP_NAME);
    if (params == RegTestParams.get()) {
        bitcoin.connectToLocalHost();   // You should run a regtest mode bitcoind locally.
    } else if (params == MainNetParams.get()) {
        // Checkpoints are block headers that ship inside our app: for a new user, we pick the last header
        // in the checkpoints file and then download the rest from the network. It makes things much faster.
        // Checkpoint files are made using the BuildCheckpoints tool and usually we have to download the
        // last months worth or more (takes a few seconds).
        bitcoin.setCheckpoints(getClass().getResourceAsStream("checkpoints"));
        // As an example!
        bitcoin.useTor();
    }

    // Now configure and start the appkit. This will take a second or two - we could show a temporary splash screen
    // or progress widget to keep the user engaged whilst we initialise, but we don't.
    bitcoin.setDownloadListener(controller.progressBarUpdater())
           .setBlockingStartup(false)
           .setUserAgent(APP_NAME, "1.0");
    bitcoin.startAsync();
    bitcoin.awaitRunning();
    // Don't make the user wait for confirmations for now, as the intention is they're sending it their own money!
    bitcoin.wallet().allowSpendingUnconfirmedTransactions();
    bitcoin.peerGroup().setMaxConnections(11);
    System.out.println(bitcoin.wallet());
    controller.onBitcoinSetup();
    mainWindow.show();
}
 

import com.google.bitcoin.params.RegTestParams; //导入依赖的package包/类
private static void setup() throws BlockStoreException {
    if (store != null) return;  // Already done.
    // Will create a fresh chain if one doesn't exist or there is an issue with this one.
    if (!chainFileName.exists() && wallet.getTransactions(true).size() > 0) {
        // No chain, so reset the wallet as we will be downloading from scratch.
        System.out.println("Chain file is missing so clearing transactions from the wallet.");
        reset();
    }
    if (mode == ValidationMode.SPV) {
        store = new SPVBlockStore(params, chainFileName);
        chain = new BlockChain(params, wallet, store);
    } else if (mode == ValidationMode.FULL) {
        FullPrunedBlockStore s = new H2FullPrunedBlockStore(params, chainFileName.getAbsolutePath(), 5000);
        store = s;
        chain = new FullPrunedBlockChain(params, wallet, s);
    }
    // This will ensure the wallet is saved when it changes.
    wallet.autosaveToFile(walletFile, 200, TimeUnit.MILLISECONDS, null);
    peers = new PeerGroup(params, chain);
    peers.setUserAgent("WalletTool", "1.0");
    peers.addWallet(wallet);
    if (options.has("peers")) {
        String peersFlag = (String) options.valueOf("peers");
        String[] peerAddrs = peersFlag.split(",");
        for (String peer : peerAddrs) {
            try {
                peers.addAddress(new PeerAddress(InetAddress.getByName(peer), params.getPort()));
            } catch (UnknownHostException e) {
                System.err.println("Could not understand peer domain name/IP address: " + peer + ": " + e.getMessage());
                System.exit(1);
            }
        }
    } else {
        if (params == RegTestParams.get()) {
            log.info("Assuming regtest node on localhost");
            peers.addAddress(InetAddress.getLoopbackAddress());
        } else {
            peers.addPeerDiscovery(new DnsDiscovery(params));
        }
    }
}
 

import com.google.bitcoin.params.RegTestParams; //导入依赖的package包/类
public static void main(String[] args) throws Exception {
    // This line makes the log output more compact and easily read, especially when using the JDK log adapter.
    BriefLogFormatter.init();
    if (args.length < 2) {
        System.err.println("Usage: address-to-send-back-to [regtest|testnet]");
        return;
    }

    // Figure out which network we should connect to. Each one gets its own set of files.
    NetworkParameters params;
    String filePrefix;
    if (args[1].equals("testnet")) {
        params = TestNet3Params.get();
        filePrefix = "forwarding-service-testnet";
    } else if (args[1].equals("regtest")) {
        params = RegTestParams.get();
        filePrefix = "forwarding-service-regtest";
    } else {
        params = MainNetParams.get();
        filePrefix = "forwarding-service";
    }
    // Parse the address given as the first parameter.
    forwardingAddress = new Address(params, args[0]);

    // Start up a basic app using a class that automates some boilerplate.
    kit = new WalletAppKit(params, new File("."), filePrefix);

    if (params == RegTestParams.get()) {
        // Regression test mode is designed for testing and development only, so there's no public network for it.
        // If you pick this mode, you're expected to be running a local "bitcoind -regtest" instance.
        kit.connectToLocalHost();
    }

    // Download the block chain and wait until it's done.
    kit.startAndWait();

    // We want to know when we receive money.
    kit.wallet().addEventListener(new AbstractWalletEventListener() {
        @Override
        public void onCoinsReceived(Wallet w, Transaction tx, BigInteger prevBalance, BigInteger newBalance) {
            // Runs in the dedicated "user thread" (see bitcoinj docs for more info on this).
            //
            // The transaction "tx" can either be pending, or included into a block (we didn't see the broadcast).
            BigInteger value = tx.getValueSentToMe(w);
            System.out.println("Received tx for " + Utils.bitcoinValueToFriendlyString(value) + ": " + tx);
            System.out.println("Transaction will be forwarded after it confirms.");
            // Wait until it's made it into the block chain (may run immediately if it's already there).
            //
            // For this dummy app of course, we could just forward the unconfirmed transaction. If it were
            // to be double spent, no harm done. Wallet.allowSpendingUnconfirmedTransactions() would have to
            // be called in onSetupCompleted() above. But we don't do that here to demonstrate the more common
            // case of waiting for a block.
            Futures.addCallback(tx.getConfidence().getDepthFuture(1), new FutureCallback<Transaction>() {
                @Override
                public void onSuccess(Transaction result) {
                    // "result" here is the same as "tx" above, but we use it anyway for clarity.
                    forwardCoins(result);
                }

                @Override
                public void onFailure(Throwable t) {
                    // This kind of future can't fail, just rethrow in case something weird happens.
                    throw new RuntimeException(t);
                }
            });
        }
    });

    Address sendToAddress = kit.wallet().getKeys().get(0).toAddress(params);
    System.out.println("Send coins to: " + sendToAddress);
    System.out.println("Waiting for coins to arrive. Press Ctrl-C to quit.");

    try {
        Thread.sleep(Long.MAX_VALUE);
    } catch (InterruptedException ignored) {}
}