user set bitcoin unit support

drongo

@@ -1 +1 @@
-Subproject commit 4e7f0611c4bd15ae983bd06feeb80ad69eedb853
+Subproject commit 49a4b548b4b93aa9b765b0b6f9520d0314b1395f

src/main/java/com/sparrowwallet/sparrow/AppController.java

@@ -3,6 +3,7 @@ package com.sparrowwallet.sparrow;
 import com.google.common.base.Charsets;
 import com.google.common.eventbus.Subscribe;
 import com.google.common.io.ByteSource;
+import com.sparrowwallet.drongo.BitcoinUnit;
 import com.sparrowwallet.drongo.SecureString;
 import com.sparrowwallet.drongo.Utils;
 import com.sparrowwallet.drongo.crypto.InvalidPasswordException;
@@ -64,6 +65,9 @@ public class AppController implements Initializable {
     @FXML
     private MenuItem openTransactionIdItem;
 
+    @FXML
+    private ToggleGroup bitcoinUnit;
+
     @FXML
     private CheckMenuItem showTxHex;
 
@@ -146,6 +150,15 @@ public class AppController implements Initializable {
             }
         });
 
+        BitcoinUnit unit = Config.get().getBitcoinUnit();
+        if(unit == null) {
+            unit = BitcoinUnit.AUTO;
+            Config.get().setBitcoinUnit(unit);
+        }
+        final BitcoinUnit selectedUnit = unit;
+        Optional<Toggle> selectedToggle = bitcoinUnit.getToggles().stream().filter(toggle -> selectedUnit.equals(toggle.getUserData())).findFirst();
+        selectedToggle.ifPresent(toggle -> bitcoinUnit.selectToggle(toggle));
+
         showTxHex.setSelected(true);
         showTxHexProperty = true;
         exportWallet.setDisable(true);
@@ -374,6 +387,13 @@ public class AppController implements Initializable {
         showTxHexProperty = item.isSelected();
     }
 
+    public void setBitcoinUnit(ActionEvent event) {
+        MenuItem item = (MenuItem)event.getSource();
+        BitcoinUnit unit = (BitcoinUnit)item.getUserData();
+        Config.get().setBitcoinUnit(unit);
+        EventManager.get().post(new BitcoinUnitChangedEvent(unit));
+    }
+
     public void newWallet(ActionEvent event) {
         WalletNameDialog dlg = new WalletNameDialog();
         Optional<String> walletName = dlg.showAndWait();

src/main/java/com/sparrowwallet/sparrow/control/AddressTreeTable.java

@@ -15,9 +15,10 @@ import javafx.scene.text.Font;
 import java.util.List;
 import java.util.Optional;
 
-public class AddressTreeTable extends TreeTableView<Entry> {
+public class AddressTreeTable extends CoinTreeTable {
     public void initialize(NodeEntry rootEntry) {
         getStyleClass().add("address-treetable");
+        setBitcoinUnit(rootEntry.getWallet());
 
         String address = rootEntry.getAddress().toString();
         updateAll(rootEntry);
@@ -80,6 +81,8 @@ public class AddressTreeTable extends TreeTableView<Entry> {
     }
 
     public void updateAll(NodeEntry rootEntry) {
+        setBitcoinUnit(rootEntry.getWallet());
+
         RecursiveTreeItem<Entry> rootItem = new RecursiveTreeItem<>(rootEntry, Entry::getChildren);
         setRoot(rootItem);
         rootItem.setExpanded(true);

src/main/java/com/sparrowwallet/sparrow/control/CoinAxisFormatter.java

@@ -0,0 +1,31 @@
+package com.sparrowwallet.sparrow.control;
+
+import com.sparrowwallet.drongo.BitcoinUnit;
+import javafx.scene.chart.NumberAxis;
+import javafx.util.StringConverter;
+
+import java.text.ParseException;
+
+final class CoinAxisFormatter extends StringConverter<Number> {
+    private final BitcoinUnit bitcoinUnit;
+
+    public CoinAxisFormatter(NumberAxis axis, BitcoinUnit unit) {
+        this.bitcoinUnit = unit;
+    }
+
+    @Override
+    public String toString(Number object) {
+        Double value = bitcoinUnit.getValue(object.longValue());
+        return CoinTextFormatter.COIN_FORMAT.format(value);
+    }
+
+    @Override
+    public Number fromString(String string) {
+        try {
+            Number number = CoinTextFormatter.COIN_FORMAT.parse(string);
+            return bitcoinUnit.getSatsValue(number.doubleValue());
+        } catch (ParseException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

src/main/java/com/sparrowwallet/sparrow/control/CoinCell.java

@@ -1,5 +1,6 @@
 package com.sparrowwallet.sparrow.control;
 
+import com.sparrowwallet.drongo.BitcoinUnit;
 import com.sparrowwallet.drongo.protocol.Transaction;
 import com.sparrowwallet.sparrow.wallet.Entry;
 import com.sparrowwallet.sparrow.wallet.HashIndexEntry;
@@ -13,8 +14,11 @@ import javafx.scene.layout.Region;
 import java.util.Locale;
 
 class CoinCell extends TreeTableCell<Entry, Number> {
+    private final Tooltip tooltip;
+
     public CoinCell() {
         super();
+        tooltip = new Tooltip();
         getStyleClass().add("coin-cell");
     }
 
@@ -25,23 +29,33 @@ class CoinCell extends TreeTableCell<Entry, Number> {
         if(empty || amount == null) {
             setText(null);
             setGraphic(null);
+            setTooltip(null);
         } else {
             Entry entry = getTreeTableView().getTreeItem(getIndex()).getValue();
             EntryCell.applyRowStyles(this, entry);
 
+            CoinTreeTable coinTreeTable = (CoinTreeTable)getTreeTableView();
+            BitcoinUnit unit = coinTreeTable.getBitcoinUnit();
+
             String satsValue = String.format(Locale.ENGLISH, "%,d", amount.longValue());
-            final String btcValue = CoinLabel.getBTCFormat().format(amount.doubleValue() / Transaction.SATOSHIS_PER_BITCOIN) + " BTC";
+            final String btcValue = CoinLabel.getBTCFormat().format(amount.doubleValue() / Transaction.SATOSHIS_PER_BITCOIN);
+
+            if(unit.equals(BitcoinUnit.BTC)) {
+                tooltip.setText(satsValue + " " + BitcoinUnit.SATOSHIS.getLabel());
+                setText(btcValue);
+            } else {
+                tooltip.setText(btcValue + " " + BitcoinUnit.BTC.getLabel());
+                setText(satsValue);
+            }
+            setTooltip(tooltip);
+            String tooltipValue = tooltip.getText();
 
             if(entry instanceof TransactionEntry) {
                 TransactionEntry transactionEntry = (TransactionEntry)entry;
-                Tooltip tooltip = new Tooltip();
+                tooltip.setText(tooltipValue + " (" + transactionEntry.getConfirmationsDescription() + ")");
-                tooltip.setText(btcValue + " (" + transactionEntry.getConfirmationsDescription() + ")");
-                setTooltip(tooltip);
 
                 transactionEntry.confirmationsProperty().addListener((observable, oldValue, newValue) -> {
-                    Tooltip newTooltip = new Tooltip();
+                    tooltip.setText(tooltipValue + " (" + transactionEntry.getConfirmationsDescription() + ")");
-                    newTooltip.setText(btcValue + " (" + transactionEntry.getConfirmationsDescription() + ")");
-                    setTooltip(newTooltip);
                 });
 
                 if(transactionEntry.isConfirming()) {
@@ -66,14 +80,6 @@ class CoinCell extends TreeTableCell<Entry, Number> {
             } else {
                 setGraphic(null);
             }
-
-            if(getTooltip() == null) {
-                Tooltip tooltip = new Tooltip();
-                tooltip.setText(btcValue);
-                setTooltip(tooltip);
-            }
-
-            setText(satsValue);
         }
     }
 }

src/main/java/com/sparrowwallet/sparrow/control/CoinLabel.java

@@ -1,6 +1,8 @@
 package com.sparrowwallet.sparrow.control;
 
+import com.sparrowwallet.drongo.BitcoinUnit;
 import com.sparrowwallet.drongo.protocol.Transaction;
+import com.sparrowwallet.sparrow.io.Config;
 import javafx.beans.property.LongProperty;
 import javafx.beans.property.SimpleLongProperty;
 import javafx.scene.control.ContextMenu;
@@ -14,8 +16,6 @@ import java.text.DecimalFormatSymbols;
 import java.util.Locale;
 
 public class CoinLabel extends CopyableLabel {
-    public static final int MAX_SATS_SHOWN = 1000000;
-
     public static final DecimalFormat BTC_FORMAT = new DecimalFormat("0", DecimalFormatSymbols.getInstance(Locale.ENGLISH));
 
     private final LongProperty value = new SimpleLongProperty(-1);
@@ -52,7 +52,13 @@ public class CoinLabel extends CopyableLabel {
 
         String satsValue = String.format(Locale.ENGLISH, "%,d",value) + " sats";
         String btcValue = BTC_FORMAT.format(value.doubleValue() / Transaction.SATOSHIS_PER_BITCOIN) + " BTC";
-        if(value > MAX_SATS_SHOWN) {
+
+        BitcoinUnit unit = Config.get().getBitcoinUnit();
+        if(unit == null || unit.equals(BitcoinUnit.AUTO)) {
+            unit = (value >= BitcoinUnit.getAutoThreshold() ? BitcoinUnit.BTC : BitcoinUnit.SATOSHIS);
+        }
+
+        if(unit.equals(BitcoinUnit.BTC)) {
             tooltip.setText(satsValue);
             setText(btcValue);
         } else {

src/main/java/com/sparrowwallet/sparrow/control/CoinFormatter.java → src/main/java/com/sparrowwallet/sparrow/control/CoinTextFormatter.java

@@ -8,11 +8,11 @@ import java.text.ParseException;
 import java.util.function.UnaryOperator;
 import java.util.regex.Pattern;
 
-public class CoinFormatter extends TextFormatter<String> {
+public class CoinTextFormatter extends TextFormatter<String> {
     private static final Pattern COIN_VALIDATION = Pattern.compile("[\\d,]*(\\.\\d{0,8})?");
-    private static final DecimalFormat COIN_FORMAT = new DecimalFormat("###,###.########");
+    public static final DecimalFormat COIN_FORMAT = new DecimalFormat("###,###.########");
 
-    public CoinFormatter() {
+    public CoinTextFormatter() {
         super(new CoinFilter());
     }
 

src/main/java/com/sparrowwallet/sparrow/control/CoinTreeTable.java

@@ -0,0 +1,36 @@
+package com.sparrowwallet.sparrow.control;
+
+import com.sparrowwallet.drongo.BitcoinUnit;
+import com.sparrowwallet.drongo.wallet.Wallet;
+import com.sparrowwallet.sparrow.io.Config;
+import com.sparrowwallet.sparrow.wallet.Entry;
+import javafx.scene.control.TreeTableView;
+
+public class CoinTreeTable extends TreeTableView<Entry> {
+    private BitcoinUnit bitcoinUnit;
+
+    public BitcoinUnit getBitcoinUnit() {
+        return bitcoinUnit;
+    }
+
+    public void setBitcoinUnit(BitcoinUnit bitcoinUnit) {
+        this.bitcoinUnit = bitcoinUnit;
+    }
+
+    public void setBitcoinUnit(Wallet wallet) {
+        setBitcoinUnit(wallet, Config.get().getBitcoinUnit());
+    }
+
+    public void setBitcoinUnit(Wallet wallet, BitcoinUnit unit) {
+        if(unit == null || unit.equals(BitcoinUnit.AUTO)) {
+            unit = wallet.getAutoUnit();
+        }
+
+        boolean changed = (bitcoinUnit != unit);
+        this.bitcoinUnit = unit;
+
+        if(changed && !getChildren().isEmpty()) {
+            refresh();
+        }
+    }
+}

src/main/java/com/sparrowwallet/sparrow/control/TransactionsTreeTable.java

@@ -11,9 +11,10 @@ import javafx.scene.control.TreeTableView;
 
 import java.util.List;
 
-public class TransactionsTreeTable extends TreeTableView<Entry> {
+public class TransactionsTreeTable extends CoinTreeTable {
     public void initialize(WalletTransactionsEntry rootEntry) {
         getStyleClass().add("transactions-treetable");
+        setBitcoinUnit(rootEntry.getWallet());
 
         updateAll(rootEntry);
         setShowRoot(false);
@@ -58,6 +59,8 @@ public class TransactionsTreeTable extends TreeTableView<Entry> {
     }
 
     public void updateAll(WalletTransactionsEntry rootEntry) {
+        setBitcoinUnit(rootEntry.getWallet());
+
         RecursiveTreeItem<Entry> rootItem = new RecursiveTreeItem<>(rootEntry, Entry::getChildren);
         setRoot(rootItem);
         rootItem.setExpanded(true);

src/main/java/com/sparrowwallet/sparrow/control/UtxosChart.java

@@ -1,13 +1,14 @@
 package com.sparrowwallet.sparrow.control;
 
+import com.sparrowwallet.drongo.BitcoinUnit;
+import com.sparrowwallet.drongo.wallet.Wallet;
+import com.sparrowwallet.sparrow.io.Config;
 import com.sparrowwallet.sparrow.wallet.Entry;
 import com.sparrowwallet.sparrow.wallet.UtxoEntry;
 import com.sparrowwallet.sparrow.wallet.WalletUtxosEntry;
 import javafx.beans.NamedArg;
 import javafx.scene.Node;
-import javafx.scene.chart.Axis;
+import javafx.scene.chart.*;
-import javafx.scene.chart.BarChart;
-import javafx.scene.chart.XYChart;
 
 import java.util.List;
 import java.util.Set;
@@ -30,11 +31,14 @@ public class UtxosChart extends BarChart<String, Number> {
         utxoSeries = new XYChart.Series<>();
         getData().add(utxoSeries);
         update(walletUtxosEntry);
+
+        BitcoinUnit unit = Config.get().getBitcoinUnit();
+        setBitcoinUnit(walletUtxosEntry.getWallet(), unit);
     }
 
     public void update(WalletUtxosEntry walletUtxosEntry) {
         List<Data<String, Number>> utxoDataList = walletUtxosEntry.getChildren().stream()
-                .map(entry -> new XYChart.Data<>(entry.getLabel() != null && !entry.getLabel().isEmpty() ? entry.getLabel() : ((UtxoEntry)entry).getDescription(), (Number)entry.getValue(), entry))
+                .map(entry -> new XYChart.Data<>(getCategoryName(entry), (Number)entry.getValue(), entry))
                 .sorted((o1, o2) -> (int) (o2.getYValue().longValue() - o1.getYValue().longValue()))
                 .collect(Collectors.toList());
 
@@ -66,6 +70,14 @@ public class UtxosChart extends BarChart<String, Number> {
         }
     }
 
+    private String getCategoryName(Entry entry) {
+        if(entry.getLabel() != null && !entry.getLabel().isEmpty()) {
+            return entry.getLabel().length() > 15 ? entry.getLabel().substring(0, 15) + "..." : entry.getLabel();
+        }
+
+        return ((UtxoEntry)entry).getDescription();
+    }
+
     public void select(List<Entry> entries) {
         Set<Node> selectedBars = lookupAll(".chart-bar.selected");
         for(Node selectedBar : selectedBars) {
@@ -86,4 +98,13 @@ public class UtxosChart extends BarChart<String, Number> {
 
         this.selectedEntries = entries;
     }
+
+    public void setBitcoinUnit(Wallet wallet, BitcoinUnit unit) {
+        if(unit == null || unit.equals(BitcoinUnit.AUTO)) {
+            unit = wallet.getAutoUnit();
+        }
+
+        NumberAxis yaxis = (NumberAxis)getYAxis();
+        yaxis.setTickLabelFormatter(new CoinAxisFormatter(yaxis, unit));
+    }
 }

src/main/java/com/sparrowwallet/sparrow/control/UtxosTreeTable.java

@@ -10,9 +10,10 @@ import javafx.scene.control.TreeTableView;
 
 import java.util.List;
 
-public class UtxosTreeTable extends TreeTableView<Entry> {
+public class UtxosTreeTable extends CoinTreeTable {
     public void initialize(WalletUtxosEntry rootEntry) {
         getStyleClass().add("utxos-treetable");
+        setBitcoinUnit(rootEntry.getWallet());
 
         updateAll(rootEntry);
         setShowRoot(false);
@@ -78,6 +79,8 @@ public class UtxosTreeTable extends TreeTableView<Entry> {
     }
 
     public void updateAll(WalletUtxosEntry rootEntry) {
+        setBitcoinUnit(rootEntry.getWallet());
+
         RecursiveTreeItem<Entry> rootItem = new RecursiveTreeItem<>(rootEntry, Entry::getChildren);
         setRoot(rootItem);
         rootItem.setExpanded(true);

src/main/java/com/sparrowwallet/sparrow/event/BitcoinUnitChangedEvent.java

@@ -0,0 +1,15 @@
+package com.sparrowwallet.sparrow.event;
+
+import com.sparrowwallet.drongo.BitcoinUnit;
+
+public class BitcoinUnitChangedEvent {
+    private final BitcoinUnit bitcoinUnit;
+
+    public BitcoinUnitChangedEvent(BitcoinUnit bitcoinUnit) {
+        this.bitcoinUnit = bitcoinUnit;
+    }
+
+    public BitcoinUnit getBitcoinUnit() {
+        return bitcoinUnit;
+    }
+}

src/main/java/com/sparrowwallet/sparrow/io/Config.java

@@ -1,6 +1,7 @@
 package com.sparrowwallet.sparrow.io;
 
 import com.google.gson.*;
+import com.sparrowwallet.drongo.BitcoinUnit;
 import com.sparrowwallet.sparrow.Mode;
 
 import java.io.*;
@@ -10,6 +11,7 @@ public class Config {
     public static final String CONFIG_FILENAME = ".config";
 
     private Mode mode;
+    private BitcoinUnit bitcoinUnit;
     private Integer keyDerivationPeriod;
     private File hwi;
     private String electrumServer;
@@ -67,6 +69,15 @@ public class Config {
         flush();
     }
 
+    public BitcoinUnit getBitcoinUnit() {
+        return bitcoinUnit;
+    }
+
+    public void setBitcoinUnit(BitcoinUnit bitcoinUnit) {
+        this.bitcoinUnit = bitcoinUnit;
+        flush();
+    }
+
     public Integer getKeyDerivationPeriod() {
         return keyDerivationPeriod;
     }

src/main/java/com/sparrowwallet/sparrow/wallet/AddressesController.java

@@ -5,6 +5,7 @@ import com.sparrowwallet.drongo.KeyPurpose;
 import com.sparrowwallet.drongo.wallet.WalletNode;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.control.AddressTreeTable;
+import com.sparrowwallet.sparrow.event.BitcoinUnitChangedEvent;
 import com.sparrowwallet.sparrow.event.WalletEntryLabelChangedEvent;
 import com.sparrowwallet.sparrow.event.WalletHistoryChangedEvent;
 import com.sparrowwallet.sparrow.event.WalletNodesChangedEvent;
@@ -63,4 +64,10 @@ public class AddressesController extends WalletFormController implements Initial
             changeTable.updateLabel(event.getEntry());
         }
     }
+
+    @Subscribe
+    public void bitcoinUnitChanged(BitcoinUnitChangedEvent event) {
+        receiveTable.setBitcoinUnit(getWalletForm().getWallet(), event.getBitcoinUnit());
+        changeTable.setBitcoinUnit(getWalletForm().getWallet(), event.getBitcoinUnit());
+    }
 }

src/main/java/com/sparrowwallet/sparrow/wallet/SendController.java

@@ -8,8 +8,8 @@ import com.sparrowwallet.drongo.wallet.*;
 import com.sparrowwallet.sparrow.AppController;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.control.*;
-import com.sparrowwallet.sparrow.event.FeeRatesUpdatedEvent;
+import com.sparrowwallet.sparrow.event.*;
-import com.sparrowwallet.sparrow.event.SpendUtxoEvent;
+import com.sparrowwallet.sparrow.io.Config;
 import javafx.beans.property.BooleanProperty;
 import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.SimpleBooleanProperty;
@@ -29,6 +29,7 @@ import org.controlsfx.validation.decoration.StyleClassValidationDecoration;
 
 import java.net.URL;
 import java.text.DecimalFormat;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.ResourceBundle;
@@ -141,10 +142,15 @@ public class SendController extends WalletFormController implements Initializabl
             updateTransaction();
         });
 
-        amount.setTextFormatter(new CoinFormatter());
+        amount.setTextFormatter(new CoinTextFormatter());
         amount.textProperty().addListener(amountListener);
 
-        amountUnit.getSelectionModel().select(1);
+        BitcoinUnit unit = Config.get().getBitcoinUnit();
+        if(unit == null || unit.equals(BitcoinUnit.AUTO)) {
+            unit = getWalletForm().getWallet().getAutoUnit();
+        }
+
+        amountUnit.getSelectionModel().select(BitcoinUnit.BTC.equals(unit) ? 0 : 1);
         amountUnit.valueProperty().addListener((observable, oldValue, newValue) -> {
             Long value = getRecipientValueSats(oldValue);
             if(value != null) {
@@ -197,10 +203,10 @@ public class SendController extends WalletFormController implements Initializabl
 
         setTargetBlocks(5);
 
-        fee.setTextFormatter(new CoinFormatter());
+        fee.setTextFormatter(new CoinTextFormatter());
         fee.textProperty().addListener(feeListener);
 
-        feeAmountUnit.getSelectionModel().select(1);
+        feeAmountUnit.getSelectionModel().select(BitcoinUnit.BTC.equals(unit) ? 0 : 1);
         feeAmountUnit.valueProperty().addListener((observable, oldValue, newValue) -> {
             Long value = getFeeValueSats(oldValue);
             if(value != null) {
@@ -305,7 +311,12 @@ public class SendController extends WalletFormController implements Initializabl
             return List.of(utxoSelectorProperty.get());
         }
 
-        UtxoSelector priorityUtxoSelector = new PriorityUtxoSelector(AppController.getCurrentBlockHeight());
+        Integer blockHeight = AppController.getCurrentBlockHeight();
+        if(blockHeight == null) {
+            blockHeight = getWalletForm().getWallet().getStoredBlockHeight();
+        }
+
+        UtxoSelector priorityUtxoSelector = new PriorityUtxoSelector(blockHeight);
         return List.of(priorityUtxoSelector);
     }
 
@@ -395,7 +406,9 @@ public class SendController extends WalletFormController implements Initializabl
     private Map<Integer, Double> getTargetBlocksFeeRates() {
         Map<Integer, Double> retrievedFeeRates = AppController.getTargetBlockFeeRates();
         if(retrievedFeeRates == null) {
-            retrievedFeeRates = TARGET_BLOCKS_RANGE.stream().collect(Collectors.toMap(java.util.function.Function.identity(), v -> FALLBACK_FEE_RATE));
+            retrievedFeeRates = TARGET_BLOCKS_RANGE.stream().collect(Collectors.toMap(java.util.function.Function.identity(), v -> FALLBACK_FEE_RATE,
+                    (u, v) -> { throw new IllegalStateException("Duplicate target blocks"); },
+                    LinkedHashMap::new));
         }
 
         return  retrievedFeeRates;
@@ -449,6 +462,27 @@ public class SendController extends WalletFormController implements Initializabl
 
     }
 
+    @Subscribe
+    public void walletNodesChanged(WalletNodesChangedEvent event) {
+        if(event.getWallet().equals(walletForm.getWallet())) {
+            clear(null);
+        }
+    }
+
+    @Subscribe
+    public void walletHistoryChanged(WalletHistoryChangedEvent event) {
+        if(event.getWallet().equals(walletForm.getWallet())) {
+            updateTransaction();
+        }
+    }
+
+    @Subscribe
+    public void walletEntryLabelChanged(WalletEntryLabelChangedEvent event) {
+        if(event.getWallet().equals(walletForm.getWallet())) {
+            updateTransaction();
+        }
+    }
+
     @Subscribe
     public void feeRatesUpdated(FeeRatesUpdatedEvent event) {
         feeRatesChart.update(event.getTargetBlockFeeRates());
@@ -464,4 +498,14 @@ public class SendController extends WalletFormController implements Initializabl
             updateTransaction(true);
         }
     }
+
+    @Subscribe
+    public void bitcoinUnitChanged(BitcoinUnitChangedEvent event) {
+        BitcoinUnit unit = event.getBitcoinUnit();
+        if(unit == null || unit.equals(BitcoinUnit.AUTO)) {
+            unit = getWalletForm().getWallet().getAutoUnit();
+        }
+        amountUnit.getSelectionModel().select(BitcoinUnit.BTC.equals(unit) ? 0 : 1);
+        feeAmountUnit.getSelectionModel().select(BitcoinUnit.BTC.equals(unit) ? 0 : 1);
+    }
 }

src/main/java/com/sparrowwallet/sparrow/wallet/TransactionsController.java

@@ -3,10 +3,7 @@ package com.sparrowwallet.sparrow.wallet;
 import com.google.common.eventbus.Subscribe;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.control.TransactionsTreeTable;
-import com.sparrowwallet.sparrow.event.WalletBlockHeightChangedEvent;
+import com.sparrowwallet.sparrow.event.*;
-import com.sparrowwallet.sparrow.event.WalletEntryLabelChangedEvent;
-import com.sparrowwallet.sparrow.event.WalletHistoryChangedEvent;
-import com.sparrowwallet.sparrow.event.WalletNodesChangedEvent;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
 import javafx.scene.input.MouseEvent;
@@ -50,6 +47,11 @@ public class TransactionsController extends WalletFormController implements Init
         }
     }
 
+    @Subscribe
+    public void bitcoinUnitChanged(BitcoinUnitChangedEvent event) {
+        transactionsTable.setBitcoinUnit(getWalletForm().getWallet(), event.getBitcoinUnit());
+    }
+
     //TODO: Remove
     public void advanceBlock(MouseEvent event) {
         Integer currentBlock = getWalletForm().getWallet().getStoredBlockHeight();

src/main/java/com/sparrowwallet/sparrow/wallet/UtxosController.java

@@ -4,6 +4,7 @@ import com.google.common.eventbus.Subscribe;
 import com.sparrowwallet.sparrow.EventManager;
 import com.sparrowwallet.sparrow.control.UtxosChart;
 import com.sparrowwallet.sparrow.control.UtxosTreeTable;
+import com.sparrowwallet.sparrow.event.BitcoinUnitChangedEvent;
 import com.sparrowwallet.sparrow.event.WalletEntryLabelChangedEvent;
 import com.sparrowwallet.sparrow.event.WalletHistoryChangedEvent;
 import com.sparrowwallet.sparrow.event.WalletNodesChangedEvent;
@@ -63,4 +64,10 @@ public class UtxosController extends WalletFormController implements Initializab
             utxosChart.update(getWalletForm().getWalletUtxosEntry());
         }
     }
+
+    @Subscribe
+    public void bitcoinUnitChanged(BitcoinUnitChangedEvent event) {
+        utxosTable.setBitcoinUnit(getWalletForm().getWallet(), event.getBitcoinUnit());
+        utxosChart.setBitcoinUnit(getWalletForm().getWallet(), event.getBitcoinUnit());
+    }
 }

src/main/java/com/sparrowwallet/sparrow/wallet/WalletTransactionsEntry.java

@@ -20,6 +20,10 @@ public class WalletTransactionsEntry extends Entry {
         calculateBalances();
     }
 
+    public Wallet getWallet() {
+        return wallet;
+    }
+
     @Override
     public Long getValue() {
         return getBalance();

src/main/resources/com/sparrowwallet/sparrow/app.fxml

@@ -6,6 +6,7 @@
 <?import javafx.scene.text.Text?>
 <?import javafx.scene.shape.Rectangle?>
 <?import com.sparrowwallet.sparrow.control.UnlabeledToggleSwitch?>
+<?import com.sparrowwallet.drongo.BitcoinUnit?>
 
 <VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="200" minWidth="350" prefHeight="750.0" prefWidth="1000.0" fx:controller="com.sparrowwallet.sparrow.AppController" xmlns="http://javafx.com/javafx/10.0.2-internal" xmlns:fx="http://javafx.com/fxml/1">
     <children>
@@ -34,8 +35,30 @@
                         <MenuItem styleClass="macHide" mnemonicParsing="false" text="Quit" onAction="#quit"/>
                     </items>
                 </Menu>
+                <fx:define>
+                    <ToggleGroup fx:id="bitcoinUnit"/>
+                </fx:define>
                 <Menu mnemonicParsing="false" text="View">
                     <items>
+                        <Menu mnemonicParsing="false" text="Bitcoin Unit">
+                            <items>
+                                <RadioMenuItem mnemonicParsing="false" text="Auto" toggleGroup="$bitcoinUnit" onAction="#setBitcoinUnit">
+                                    <userData>
+                                        <BitcoinUnit fx:constant="AUTO" />
+                                    </userData>
+                                </RadioMenuItem>
+                                <RadioMenuItem mnemonicParsing="false" text="BTC" toggleGroup="$bitcoinUnit" onAction="#setBitcoinUnit">
+                                    <userData>
+                                        <BitcoinUnit fx:constant="BTC" />
+                                    </userData>
+                                </RadioMenuItem>
+                                <RadioMenuItem mnemonicParsing="false" text="sats" toggleGroup="$bitcoinUnit" onAction="#setBitcoinUnit">
+                                    <userData>
+                                        <BitcoinUnit fx:constant="SATOSHIS" />
+                                    </userData>
+                                </RadioMenuItem>
+                            </items>
+                        </Menu>
                         <CheckMenuItem fx:id="showTxHex" mnemonicParsing="false" text="Show Transaction Hex" onAction="#showTxHex"/>
                     </items>
                 </Menu>