Java WalletAppKit类代码示例

import com.google.bitcoin.kits.WalletAppKit; //导入依赖的package包/类
public void run() throws Exception {
    NetworkParameters params = TestNet3Params.get();

    // Bring up all the objects we need, create/load a wallet, sync the chain, etc. We override WalletAppKit so we
    // can customize it by adding the extension objects - we have to do this before the wallet file is loaded so
    // the plugin that knows how to parse all the additional data is present during the load.
    appKit = new WalletAppKit(params, new File("."), "payment_channel_example_server") {
        @Override
        protected void addWalletExtensions() {
            // The StoredPaymentChannelClientStates object is responsible for, amongst other things, broadcasting
            // the refund transaction if its lock time has expired. It also persists channels so we can resume them
            // after a restart.
            storedStates = new StoredPaymentChannelServerStates(wallet(), peerGroup());
            wallet().addExtension(storedStates);
        }
    };
    appKit.startAndWait();

    System.out.println(appKit.wallet());

    // We provide a peer group, a wallet, a timeout in seconds, the amount we require to start a channel and
    // an implementation of HandlerFactory, which we just implement ourselves.
    final int MILLI = 100000;
    new PaymentChannelServerListener(appKit.peerGroup(), appKit.wallet(), 15, BigInteger.valueOf(MILLI), this).bindAndStart(4242);
}
 

import com.google.bitcoin.kits.WalletAppKit; //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.kits.WalletAppKit; //导入依赖的package包/类
public void run() throws Exception {
    NetworkParameters params = TestNet3Params.get();

    // Bring up all the objects we need, create/load a wallet, sync the chain, etc. We override WalletAppKit so we
    // can customize it by adding the extension objects - we have to do this before the wallet file is loaded so
    // the plugin that knows how to parse all the additional data is present during the load.
    appKit = new WalletAppKit(params, new File("."), "payment_channel_example_server") {
        @Override
        protected void addWalletExtensions() {
            // The StoredPaymentChannelClientStates object is responsible for, amongst other things, broadcasting
            // the refund transaction if its lock time has expired. It also persists channels so we can resume them
            // after a restart.
            storedStates = new StoredPaymentChannelServerStates(wallet(), peerGroup());
            wallet().addExtension(storedStates);
        }
    };
    appKit.startAsync();
    appKit.awaitRunning();

    System.out.println(appKit.wallet());

    // We provide a peer group, a wallet, a timeout in seconds, the amount we require to start a channel and
    // an implementation of HandlerFactory, which we just implement ourselves.
    final int MILLI = 100000;
    new PaymentChannelServerListener(appKit.peerGroup(), appKit.wallet(), 15, BigInteger.valueOf(MILLI), this).bindAndStart(4242);
}
 

import com.google.bitcoin.kits.WalletAppKit; //导入依赖的package包/类
public void run() throws Exception {
    NetworkParameters params = MainNetParams.get();

    // Bring up all the objects we need, create/load a wallet, sync the chain, etc. We override WalletAppKit so we
    // can customize it by adding the extension objects - we have to do this before the wallet file is loaded so
    // the plugin that knows how to parse all the additional data is present during the load.
    appKit = new WalletAppKit(params, new File("."), "payment_channel_example_server") {
        @Override
        protected void addWalletExtensions() {
            // The StoredPaymentChannelClientStates object is responsible for, amongst other things, broadcasting
            // the refund transaction if its lock time has expired. It also persists channels so we can resume them
            // after a restart.
            storedStates = new StoredPaymentChannelServerStates(wallet(), peerGroup());
            wallet().addExtension(storedStates);
        }
    };
    appKit.startAndWait();

    System.out.println(appKit.wallet());

    // We provide a peer group, a wallet, a timeout in seconds, the amount we require to start a channel and
    // an implementation of HandlerFactory, which we just implement ourselves.
    final int MILLI = 100000;
    new PaymentChannelServerListener(appKit.peerGroup(), appKit.wallet(), 15, BigInteger.valueOf(MILLI), this).bindAndStart(4242);
}
 

import com.google.bitcoin.kits.WalletAppKit; //导入依赖的package包/类
public MyFooWallet() {
	setParam(TestNet3Params.get());
	final String FILE_PREFIX = "localfile-testnet3";
	kit = new WalletAppKit(getParam(), new File("."), FILE_PREFIX) {
		@Override
		protected void onSetupCompleted() {
			onSetupCompletd();
		}
	};
	// Download the block chain and wait until it's done.
	getKit().startAndWait();
}
 

import com.google.bitcoin.kits.WalletAppKit; //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.kits.WalletAppKit; //导入依赖的package包/类
public void run(final String host) throws Exception {
    // Bring up all the objects we need, create/load a wallet, sync the chain, etc. We override WalletAppKit so we
    // can customize it by adding the extension objects - we have to do this before the wallet file is loaded so
    // the plugin that knows how to parse all the additional data is present during the load.
    appKit = new WalletAppKit(params, new File("."), "payment_channel_example_client") {
        @Override
        protected void addWalletExtensions() {
            // The StoredPaymentChannelClientStates object is responsible for, amongst other things, broadcasting
            // the refund transaction if its lock time has expired. It also persists channels so we can resume them
            // after a restart.
            wallet().addExtension(new StoredPaymentChannelClientStates(wallet(), peerGroup()));
        }
    };
    appKit.startAndWait();
    // We now have active network connections and a fully synced wallet.
    // Add a new key which will be used for the multisig contract.
    appKit.wallet().addKey(myKey);
    appKit.wallet().allowSpendingUnconfirmedTransactions();

    System.out.println(appKit.wallet());

    // Create the object which manages the payment channels protocol, client side. Tell it where the server to
    // connect to is, along with some reasonable network timeouts, the wallet and our temporary key. We also have
    // to pick an amount of value to lock up for the duration of the channel.
    //
    // Note that this may or may not actually construct a new channel. If an existing unclosed channel is found in
    // the wallet, then it'll re-use that one instead.
    final int timeoutSecs = 15;
    final InetSocketAddress server = new InetSocketAddress(host, 4242);

    waitForSufficientBalance(channelSize);
    final String channelID = host;
    // Do this twice as each one sends 1/10th of a bitcent 5 times, so to send a bitcent, we do it twice. This
    // demonstrates resuming a channel that wasn't closed yet. It should close automatically once we run out
    // of money on the channel.
    log.info("Round one ...");
    openAndSend(timeoutSecs, server, channelID);
    log.info("Round two ...");
    log.info(appKit.wallet().toString());
    openAndSend(timeoutSecs, server, channelID);
    log.info("Waiting ...");
    Thread.sleep(60 * 60 * 1000);  // 1 hour.
    log.info("Stopping ...");
    appKit.stopAndWait();
}
 

import com.google.bitcoin.kits.WalletAppKit; //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.kits.WalletAppKit; //导入依赖的package包/类
@VisibleForTesting
WalletAppKit getKit() {
    return kit;
}
 

import com.google.bitcoin.kits.WalletAppKit; //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.kits.WalletAppKit; //导入依赖的package包/类
public void run(final String host) throws Exception {
    // Bring up all the objects we need, create/load a wallet, sync the chain, etc. We override WalletAppKit so we
    // can customize it by adding the extension objects - we have to do this before the wallet file is loaded so
    // the plugin that knows how to parse all the additional data is present during the load.
    appKit = new WalletAppKit(params, new File("."), "payment_channel_example_client") {
        @Override
        protected void addWalletExtensions() {
            // The StoredPaymentChannelClientStates object is responsible for, amongst other things, broadcasting
            // the refund transaction if its lock time has expired. It also persists channels so we can resume them
            // after a restart.
            wallet().addExtension(new StoredPaymentChannelClientStates(wallet(), peerGroup()));
        }
    };
    appKit.startAsync();
    appKit.awaitRunning();
    // We now have active network connections and a fully synced wallet.
    // Add a new key which will be used for the multisig contract.
    appKit.wallet().addKey(myKey);
    appKit.wallet().allowSpendingUnconfirmedTransactions();

    System.out.println(appKit.wallet());

    // Create the object which manages the payment channels protocol, client side. Tell it where the server to
    // connect to is, along with some reasonable network timeouts, the wallet and our temporary key. We also have
    // to pick an amount of value to lock up for the duration of the channel.
    //
    // Note that this may or may not actually construct a new channel. If an existing unclosed channel is found in
    // the wallet, then it'll re-use that one instead.
    final int timeoutSecs = 15;
    final InetSocketAddress server = new InetSocketAddress(host, 4242);

    waitForSufficientBalance(channelSize);
    final String channelID = host;
    // Do this twice as each one sends 1/10th of a bitcent 5 times, so to send a bitcent, we do it twice. This
    // demonstrates resuming a channel that wasn't closed yet. It should close automatically once we run out
    // of money on the channel.
    log.info("Round one ...");
    openAndSend(timeoutSecs, server, channelID);
    log.info("Round two ...");
    log.info(appKit.wallet().toString());
    openAndSend(timeoutSecs, server, channelID);
    log.info("Waiting ...");
    Thread.sleep(60 * 60 * 1000);  // 1 hour.
    log.info("Stopping ...");
    appKit.stopAsync();
    appKit.awaitTerminated();
}
 

import com.google.bitcoin.kits.WalletAppKit; //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.kits.WalletAppKit; //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) {}
}