org.bitcoinj.crypto.MnemonicCode Java Examples

public static MnemonicCode getMCode()
{
  StringBuilder sb = new StringBuilder();
  for(String s : SeedWordList.getWordList())
  {
    sb.append(s); sb.append('\n');
  }
  byte[] b = sb.toString().getBytes();

  try
  {
    return new MnemonicCode(new ByteArrayInputStream(b),"ad90bf3beb7b0eb7e5acd74727dc0da96e0a280a258354e7293fb7e211ac03db");
  }
  catch(java.io.IOException e)
  {
    throw new RuntimeException(e);
  }
}
 

private LocalDate getWalletDate() {
    LocalDate walletDate = restoreDatePicker.getValue();
    // Even though no current Bisq wallet could have been created before the v0.5 release date (2017.06.28),
    // the user may want to import from a seed generated by another wallet.
    // So use when the BIP39 standard was finalised (2013.10.09) as the oldest possible wallet date.
    LocalDate oldestWalletDate = LocalDate.ofInstant(
            Instant.ofEpochMilli(MnemonicCode.BIP39_STANDARDISATION_TIME_SECS * 1000),
            TimeZone.getDefault().toZoneId());
    if (walletDate == null) {
        // No date was specified, perhaps the user doesn't know the wallet date
        walletDate = oldestWalletDate;
    } else if (walletDate.isBefore(oldestWalletDate)) {
        walletDate = oldestWalletDate;
    } else if (walletDate.isAfter(LocalDate.now())) {
        walletDate = LocalDate.now();
    }
    return walletDate;
}
 

public void startService(final Context ctx) throws Exception {
    GaService.createNotificationChannel(ctx);

    // Provide bitcoinj with Mnemonics. These are used if we need to create a fake
    // wallet during SPV_SYNCRONIZATION syncing to prevent an exception.
    final ArrayList<String> words = new ArrayList<>(Wally.BIP39_WORDLIST_LEN);
    MnemonicHelper.initWordList(words, null);
    MnemonicCode.INSTANCE = new MnemonicCode(words, null);

    Log.d(TAG, "onCreate: binding service");
    final ServiceConnection connection = new ServiceConnection() {
        @Override
        public void onServiceConnected(final ComponentName className,
                                       final IBinder service) {
            Log.d(TAG, "onServiceConnected: dispatching onServiceAttached callbacks");
            mService = ((GaService.GaBinder)service).getService();
            mService.onBound(ctx);
            startAsync();
            onServiceAttached.set(null);

        }

        @Override
        public void onServiceDisconnected(final ComponentName name) {
            Log.d(TAG, "onServiceDisconnected: dispatching onServiceAttached exception");
            onServiceAttached.setException(new GAException(name.toString()));
        }
    };
    final Intent intent = new Intent(ctx, GaService.class);
    ctx.bindService(intent, connection, Context.BIND_AUTO_CREATE);
}
 

public void initialize(@Nullable KeyParameter aesKey) {
    DeterministicSeed seed = Main.bitcoin.wallet().getKeyChainSeed();
    if (aesKey == null) {
        if (seed.isEncrypted()) {
            log.info("Wallet is encrypted, requesting password first.");
            // Delay execution of this until after we've finished initialising this screen.
            Platform.runLater(() -> askForPasswordAndRetry());
            return;
        }
    } else {
        this.aesKey = aesKey;
        seed = seed.decrypt(checkNotNull(Main.bitcoin.wallet().getKeyCrypter()), "", aesKey);
        // Now we can display the wallet seed as appropriate.
        passwordButton.setText("Remove password");
    }

    // Set the date picker to show the birthday of this wallet.
    Instant creationTime = Instant.ofEpochSecond(seed.getCreationTimeSeconds());
    LocalDate origDate = creationTime.atZone(ZoneId.systemDefault()).toLocalDate();
    datePicker.setValue(origDate);

    // Set the mnemonic seed words.
    final List<String> mnemonicCode = seed.getMnemonicCode();
    checkNotNull(mnemonicCode);    // Already checked for encryption.
    String origWords = Utils.join(mnemonicCode);
    wordsArea.setText(origWords);

    // Validate words as they are being typed.
    MnemonicCode codec = unchecked(MnemonicCode::new);
    TextFieldValidator validator = new TextFieldValidator(wordsArea, text ->
        !didThrow(() -> codec.check(Splitter.on(' ').splitToList(text)))
    );

    // Clear the date picker if the user starts editing the words, if it contained the current wallets date.
    // This forces them to set the birthday field when restoring.
    wordsArea.textProperty().addListener(o -> {
        if (origDate.equals(datePicker.getValue()))
            datePicker.setValue(null);
    });

    BooleanBinding datePickerIsInvalid = or(
            datePicker.valueProperty().isNull(),

            createBooleanBinding(() ->
                    datePicker.getValue().isAfter(LocalDate.now())
            , /* depends on */ datePicker.valueProperty())
    );

    // Don't let the user click restore if the words area contains the current wallet words, or are an invalid set,
    // or if the date field isn't set, or if it's in the future.
    restoreButton.disableProperty().bind(
            or(
                    or(
                            not(validator.valid),
                            equal(origWords, wordsArea.textProperty())
                    ),

                    datePickerIsInvalid
            )
    );

    // Highlight the date picker in red if it's empty or in the future, so the user knows why restore is disabled.
    datePickerIsInvalid.addListener((dp, old, cur) -> {
        if (cur) {
            datePicker.getStyleClass().add("validation_error");
        } else {
            datePicker.getStyleClass().remove("validation_error");
        }
    });
}
 

public void initialize (@Nullable KeyParameter aesKey) {
    DeterministicSeed seed = Main.wallet.getKeyChainSeed();
    if (aesKey == null) {
        if (seed.isEncrypted()) {
            log.info("Wallet is encrypted, requesting password first.");
            // Delay execution of this until after we've finished initialising this screen.
            Platform.runLater(() -> askForPasswordAndRetry());
            return;
        }
    } else {
        this.aesKey = aesKey;
        seed = seed.decrypt(checkNotNull(Main.wallet.getKeyCrypter()), "", aesKey);
        // Now we can display the wallet seed as appropriate.
        passwordButton.setText("Remove password");
    }

    // Set the date picker to show the birthday of this wallet.
    Instant creationTime = Instant.ofEpochSecond(seed.getCreationTimeSeconds());
    LocalDate origDate = creationTime.atZone(ZoneId.systemDefault()).toLocalDate();
    datePicker.setValue(origDate);

    // Set the mnemonic seed words.
    final List<String> mnemonicCode = seed.getMnemonicCode();
    checkNotNull(mnemonicCode);    // Already checked for encryption.
    String origWords = Utils.join(mnemonicCode);
    wordsArea.setText(origWords);

    // Validate words as they are being typed.
    MnemonicCode codec = unchecked(MnemonicCode::new);
    TextFieldValidator validator = new TextFieldValidator(wordsArea, text ->
            !didThrow(() -> codec.check(Splitter.on(' ').splitToList(text)))
    );

    // Clear the date picker if the user starts editing the words, if it contained the current wallets date.
    // This forces them to set the birthday field when restoring.
    wordsArea.textProperty().addListener(o -> {
        if (origDate.equals(datePicker.getValue())) {
            datePicker.setValue(null);
        }
    });

    BooleanBinding datePickerIsInvalid = or(
            datePicker.valueProperty().isNull(),

            createBooleanBinding(() ->
                            datePicker.getValue().isAfter(LocalDate.now())
                    , /* depends on */ datePicker.valueProperty())
    );

    // Don't let the user click restore if the words area contains the current wallet words, or are an invalid set,
    // or if the date field isn't set, or if it's in the future.
    restoreButton.disableProperty().bind(
            or(
                    or(
                            not(validator.valid),
                            equal(origWords, wordsArea.textProperty())
                    ),

                    datePickerIsInvalid
            )
    );

    // Highlight the date picker in red if it's empty or in the future, so the user knows why restore is disabled.
    datePickerIsInvalid.addListener((dp, old, cur) -> {
        if (cur) {
            datePicker.getStyleClass().add("validation_error");
        } else {
            datePicker.getStyleClass().remove("validation_error");
        }
    });
}
 

public void initialize(@Nullable KeyParameter aesKey) {
    DeterministicSeed seed = Main.bitcoin.wallet().getKeyChainSeed();
    if (aesKey == null) {
        if (seed.isEncrypted()) {
            log.info("Wallet is encrypted, requesting password first.");
            // Delay execution of this until after we've finished initialising this screen.
            Platform.runLater(() -> askForPasswordAndRetry());
            return;
        }
    } else {
        this.aesKey = aesKey;
        seed = seed.decrypt(checkNotNull(Main.bitcoin.wallet().getKeyCrypter()), "", aesKey);
        // Now we can display the wallet seed as appropriate.
        passwordButton.setText("Remove password");
    }

    // Set the date picker to show the birthday of this wallet.
    Instant creationTime = Instant.ofEpochSecond(seed.getCreationTimeSeconds());
    LocalDate origDate = creationTime.atZone(ZoneId.systemDefault()).toLocalDate();
    datePicker.setValue(origDate);

    // Set the mnemonic seed words.
    final List<String> mnemonicCode = seed.getMnemonicCode();
    checkNotNull(mnemonicCode);    // Already checked for encryption.
    String origWords = Utils.join(mnemonicCode);
    wordsArea.setText(origWords);

    // Validate words as they are being typed.
    MnemonicCode codec = unchecked(MnemonicCode::new);
    TextFieldValidator validator = new TextFieldValidator(wordsArea, text ->
        !didThrow(() -> codec.check(Splitter.on(' ').splitToList(text)))
    );

    // Clear the date picker if the user starts editing the words, if it contained the current wallets date.
    // This forces them to set the birthday field when restoring.
    wordsArea.textProperty().addListener(o -> {
        if (origDate.equals(datePicker.getValue()))
            datePicker.setValue(null);
    });

    BooleanBinding datePickerIsInvalid = or(
            datePicker.valueProperty().isNull(),

            createBooleanBinding(() ->
                    datePicker.getValue().isAfter(LocalDate.now())
            , /* depends on */ datePicker.valueProperty())
    );

    // Don't let the user click restore if the words area contains the current wallet words, or are an invalid set,
    // or if the date field isn't set, or if it's in the future.
    restoreButton.disableProperty().bind(
            or(
                    or(
                            not(validator.valid),
                            equal(origWords, wordsArea.textProperty())
                    ),

                    datePickerIsInvalid
            )
    );

    // Highlight the date picker in red if it's empty or in the future, so the user knows why restore is disabled.
    datePickerIsInvalid.addListener((dp, old, cur) -> {
        if (cur) {
            datePicker.getStyleClass().add("validation_error");
        } else {
            datePicker.getStyleClass().remove("validation_error");
        }
    });
}
 

public void initialize(@Nullable KeyParameter aesKey) {
    DeterministicSeed seed = Main.bitcoin.wallet().getKeyChainSeed();
    if (aesKey == null) {
        if (seed.isEncrypted()) {
            log.info("Wallet is encrypted, requesting password first.");
            // Delay execution of this until after we've finished initialising this screen.
            Platform.runLater(() -> askForPasswordAndRetry());
            return;
        }
    } else {
        this.aesKey = aesKey;
        seed = seed.decrypt(checkNotNull(Main.bitcoin.wallet().getKeyCrypter()), "", aesKey);
        // Now we can display the wallet seed as appropriate.
        passwordButton.setText("Remove password");
    }

    // Set the date picker to show the birthday of this wallet.
    Instant creationTime = Instant.ofEpochSecond(seed.getCreationTimeSeconds());
    LocalDate origDate = creationTime.atZone(ZoneId.systemDefault()).toLocalDate();
    datePicker.setValue(origDate);

    // Set the mnemonic seed words.
    final List<String> mnemonicCode = seed.getMnemonicCode();
    checkNotNull(mnemonicCode);    // Already checked for encryption.
    String origWords = Joiner.on(" ").join(mnemonicCode);
    wordsArea.setText(origWords);

    // Validate words as they are being typed.
    MnemonicCode codec = unchecked(MnemonicCode::new);
    TextFieldValidator validator = new TextFieldValidator(wordsArea, text ->
        !didThrow(() -> codec.check(Splitter.on(' ').splitToList(text)))
    );

    // Clear the date picker if the user starts editing the words, if it contained the current wallets date.
    // This forces them to set the birthday field when restoring.
    wordsArea.textProperty().addListener(o -> {
        if (origDate.equals(datePicker.getValue()))
            datePicker.setValue(null);
    });

    BooleanBinding datePickerIsInvalid = or(
            datePicker.valueProperty().isNull(),

            createBooleanBinding(() ->
                    datePicker.getValue().isAfter(LocalDate.now())
            , /* depends on */ datePicker.valueProperty())
    );

    // Don't let the user click restore if the words area contains the current wallet words, or are an invalid set,
    // or if the date field isn't set, or if it's in the future.
    restoreButton.disableProperty().bind(
            or(
                    or(
                            not(validator.valid),
                            equal(origWords, wordsArea.textProperty())
                    ),

                    datePickerIsInvalid
            )
    );

    // Highlight the date picker in red if it's empty or in the future, so the user knows why restore is disabled.
    datePickerIsInvalid.addListener((dp, old, cur) -> {
        if (cur) {
            datePicker.getStyleClass().add("validation_error");
        } else {
            datePicker.getStyleClass().remove("validation_error");
        }
    });
}
 

public void initialize(@Nullable KeyParameter aesKey) {
    DeterministicSeed seed = Main.bitcoin.wallet().getKeyChainSeed();
    if (aesKey == null) {
        if (seed.isEncrypted()) {
            log.info("Wallet is encrypted, requesting password first.");
            // Delay execution of this until after we've finished initialising this screen.
            Platform.runLater(() -> askForPasswordAndRetry());
            return;
        }
    } else {
        this.aesKey = aesKey;
        seed = seed.decrypt(checkNotNull(Main.bitcoin.wallet().getKeyCrypter()), "", aesKey);
        // Now we can display the wallet seed as appropriate.
        passwordButton.setText("Remove password");
    }

    // Set the date picker to show the birthday of this wallet.
    Instant creationTime = Instant.ofEpochSecond(seed.getCreationTimeSeconds());
    LocalDate origDate = creationTime.atZone(ZoneId.systemDefault()).toLocalDate();
    datePicker.setValue(origDate);

    // Set the mnemonic seed words.
    final List<String> mnemonicCode = seed.getMnemonicCode();
    checkNotNull(mnemonicCode);    // Already checked for encryption.
    String origWords = Utils.join(mnemonicCode);
    wordsArea.setText(origWords);

    // Validate words as they are being typed.
    MnemonicCode codec = unchecked(MnemonicCode::new);
    TextFieldValidator validator = new TextFieldValidator(wordsArea, text ->
        !didThrow(() -> codec.check(Splitter.on(' ').splitToList(text)))
    );

    // Clear the date picker if the user starts editing the words, if it contained the current wallets date.
    // This forces them to set the birthday field when restoring.
    wordsArea.textProperty().addListener(o -> {
        if (origDate.equals(datePicker.getValue()))
            datePicker.setValue(null);
    });

    BooleanBinding datePickerIsInvalid = or(
            datePicker.valueProperty().isNull(),

            createBooleanBinding(() ->
                    datePicker.getValue().isAfter(LocalDate.now())
            , /* depends on */ datePicker.valueProperty())
    );

    // Don't let the user click restore if the words area contains the current wallet words, or are an invalid set,
    // or if the date field isn't set, or if it's in the future.
    restoreButton.disableProperty().bind(
            or(
                    or(
                            not(validator.valid),
                            equal(origWords, wordsArea.textProperty())
                    ),

                    datePickerIsInvalid
            )
    );

    // Highlight the date picker in red if it's empty or in the future, so the user knows why restore is disabled.
    datePickerIsInvalid.addListener((dp, old, cur) -> {
        if (cur) {
            datePicker.getStyleClass().add("validation_error");
        } else {
            datePicker.getStyleClass().remove("validation_error");
        }
    });
}
 

private void showRestoreScreen() {
    Label headLine2Label = new AutoTooltipLabel(Res.get("seed.restore.title"));
    headLine2Label.getStyleClass().add("popup-headline");
    headLine2Label.setMouseTransparent(true);
    GridPane.setHalignment(headLine2Label, HPos.LEFT);
    GridPane.setRowIndex(headLine2Label, ++rowIndex);
    GridPane.setMargin(headLine2Label, new Insets(30, 0, 0, 0));
    gridPane.getChildren().add(headLine2Label);

    seedWordsTextArea = addTextArea(gridPane, ++rowIndex, Res.get("seed.enterSeedWords"), 5);
    ;
    seedWordsTextArea.setPrefHeight(60);

    Tuple2<Label, DatePicker> labelDatePickerTuple2 = addTopLabelDatePicker(gridPane, ++rowIndex,
            Res.get("seed.creationDate"), 10);
    datePicker = labelDatePickerTuple2.second;
    restoreButton = addPrimaryActionButton(gridPane, ++rowIndex, Res.get("seed.restore"), 0);
    restoreButton.setDefaultButton(true);
    stage.setHeight(570);


    // wallet creation date is not encrypted
    LocalDate walletCreationDate = Instant.ofEpochSecond(walletsManager.getChainSeedCreationTimeSeconds()).atZone(ZoneId.systemDefault()).toLocalDate();
    log.info("walletCreationDate " + walletCreationDate);
    datePicker.setValue(walletCreationDate);
    restoreButton.disableProperty().bind(createBooleanBinding(() -> !seedWordsValid.get() || !seedWordsEdited.get(),
            seedWordsValid, seedWordsEdited));

    seedWordsValidChangeListener = (observable, oldValue, newValue) -> {
        if (newValue) {
            seedWordsTextArea.getStyleClass().remove("validation-error");
        } else {
            seedWordsTextArea.getStyleClass().add("validation-error");
        }
    };

    wordsTextAreaChangeListener = (observable, oldValue, newValue) -> {
        seedWordsEdited.set(true);
        try {
            MnemonicCode codec = new MnemonicCode();
            codec.check(Splitter.on(" ").splitToList(newValue));
            seedWordsValid.set(true);
        } catch (IOException | MnemonicException e) {
            seedWordsValid.set(false);
        }
    };

    seedWordsValid.addListener(seedWordsValidChangeListener);
    seedWordsTextArea.textProperty().addListener(wordsTextAreaChangeListener);
    restoreButton.disableProperty().bind(createBooleanBinding(() -> !seedWordsValid.get() || !seedWordsEdited.get(),
            seedWordsValid, seedWordsEdited));

    restoreButton.setOnAction(e -> onRestore());

    seedWordsTextArea.getStyleClass().remove("validation-error");
    datePicker.getStyleClass().remove("validation-error");

    layout();
}
 

@Override
protected void initialize() {
    addTitledGroupBg(root, gridRow, 2, Res.get("account.seed.backup.title"));
    displaySeedWordsTextArea = addTopLabelTextArea(root, gridRow, Res.get("seed.seedWords"), "", Layout.FIRST_ROW_DISTANCE).second;
    displaySeedWordsTextArea.getStyleClass().add("wallet-seed-words");
    displaySeedWordsTextArea.setPrefHeight(40);
    displaySeedWordsTextArea.setMaxHeight(40);
    displaySeedWordsTextArea.setEditable(false);

    datePicker = addTopLabelDatePicker(root, ++gridRow, Res.get("seed.date"), 10).second;
    datePicker.setMouseTransparent(true);

    addTitledGroupBg(root, ++gridRow, 3, Res.get("seed.restore.title"), Layout.GROUP_DISTANCE);
    seedWordsTextArea = addTopLabelTextArea(root, gridRow, Res.get("seed.seedWords"), "", Layout.FIRST_ROW_AND_GROUP_DISTANCE).second;
    seedWordsTextArea.getStyleClass().add("wallet-seed-words");
    seedWordsTextArea.setPrefHeight(40);
    seedWordsTextArea.setMaxHeight(40);

    restoreDatePicker = addTopLabelDatePicker(root, ++gridRow, Res.get("seed.date"), 10).second;
    restoreButton = addPrimaryActionButtonAFterGroup(root, ++gridRow, Res.get("seed.restore"));

    addTitledGroupBg(root, ++gridRow, 1, Res.get("shared.information"), Layout.GROUP_DISTANCE);
    addMultilineLabel(root, gridRow, Res.get("account.seed.info"),
            Layout.FIRST_ROW_AND_GROUP_DISTANCE);

    seedWordsValidChangeListener = (observable, oldValue, newValue) -> {
        if (newValue) {
            seedWordsTextArea.getStyleClass().remove("validation-error");
        } else {
            seedWordsTextArea.getStyleClass().add("validation-error");
        }
    };

    seedWordsTextAreaChangeListener = (observable, oldValue, newValue) -> {
        seedWordsEdited.set(true);
        try {
            MnemonicCode codec = new MnemonicCode();
            codec.check(Splitter.on(" ").splitToList(newValue));
            seedWordsValid.set(true);
        } catch (IOException | MnemonicException e) {
            seedWordsValid.set(false);
        }
    };
}