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WalletTemplate: show number of peers seen when emptying the wallet.

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This commit is contained in:
Mike Hearn 2013-10-27 18:27:28 +01:00
parent 16fb2f83eb
commit 81d10b8c10
1 changed files with 20 additions and 9 deletions
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29
wallettemplate/src/main/java/wallettemplate/SendMoneyController.java
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@ -1,9 +1,6 @@
package wallettemplate;
import com.google.bitcoin.core.Address;
import com.google.bitcoin.core.AddressFormatException;
import com.google.bitcoin.core.Transaction;
import com.google.bitcoin.core.Wallet;
import com.google.bitcoin.core.*;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import javafx.application.Platform;
@ -12,7 +9,9 @@ import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import wallettemplate.controls.BitcoinAddressValidator;
import wallettemplate.utils.GuiUtils;
import static wallettemplate.utils.GuiUtils.crashAlert;
import static wallettemplate.utils.GuiUtils.informationalAlert;
public class SendMoneyController {
public Button sendBtn;
@ -22,6 +21,8 @@ public class SendMoneyController {
public Main.OverlayUI overlayUi;
private Wallet.SendResult sendResult;
// Called by FXMLLoader
public void initialize() {
new BitcoinAddressValidator(Main.params, address, sendBtn);
@ -35,14 +36,15 @@ public class SendMoneyController {
try {
Address destination = new Address(Main.params, address.getText());
Wallet.SendRequest req = Wallet.SendRequest.emptyWallet(destination);
final Wallet.SendResult sendResult = Main.bitcoin.wallet().sendCoins(req);
sendResult = Main.bitcoin.wallet().sendCoins(req);
if (sendResult == null) {
// We couldn't empty the wallet for some reason. TODO: When bitcoinj issue 425 is fixed, be more helpful
GuiUtils.informationalAlert("Could not empty the wallet",
informationalAlert("Could not empty the wallet",
"You may have too little money left in the wallet to make a transaction.");
overlayUi.done();
return;
}
Futures.addCallback(sendResult.broadcastComplete, new FutureCallback<Transaction>() {
@Override
public void onSuccess(Transaction result) {
@ -52,15 +54,24 @@ public class SendMoneyController {
@Override
public void onFailure(Throwable t) {
// We died trying to empty the wallet.
GuiUtils.crashAlert(t);
crashAlert(t);
}
});
sendResult.tx.getConfidence().addEventListener((tx, reason) -> {
if (reason == TransactionConfidence.Listener.ChangeReason.SEEN_PEERS)
updateTitleForBroadcast();
});
sendBtn.setDisable(true);
address.setDisable(true);
titleLabel.setText("Broadcasting ...");
updateTitleForBroadcast();
} catch (AddressFormatException e) {
// Cannot happen because we already validated it when the text field changed.
throw new RuntimeException(e);
}
}
private void updateTitleForBroadcast() {
final int peers = sendResult.tx.getConfidence().numBroadcastPeers();
titleLabel.setText(String.format("Broadcasting ... seen by %d peers", peers));
}
}