upgrade to hwi 2.2.0, add support for entering empty passphrases to trezor one

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

@@ -11,6 +11,7 @@ public class Device {
     private Boolean needsPinSent;
     private Boolean needsPassphraseSent;
     private String fingerprint;
+    private String[][] warnings;
     private String error;
 
     public String getType() {
@@ -69,6 +70,20 @@ public class Device {
         this.fingerprint = fingerprint;
     }
 
+    public boolean containsWarning(String warning) {
+        if(warnings != null) {
+            for(String[] warns : warnings) {
+                for(String warn : warns) {
+                    if(warn.contains(warning)) {
+                        return true;
+                    }
+                }
+            }
+        }
+
+        return false;
+    }
+
     public String getError() {
         return error;
     }

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

@@ -34,7 +34,7 @@ public class Hwi {
     private static final Logger log = LoggerFactory.getLogger(Hwi.class);
     private static final String HWI_HOME_DIR = "hwi";
     private static final String HWI_VERSION_PREFIX = "hwi-";
-    private static final String HWI_VERSION = "2.1.1";
+    private static final String HWI_VERSION = "2.2.0";
     private static final String HWI_VERSION_DIR = HWI_VERSION_PREFIX + HWI_VERSION;
 
     private static boolean isPromptActive = false;
@@ -43,18 +43,26 @@ public class Hwi {
         String output = null;
         try {
             List<String> command;
-            if(passphrase != null && !passphrase.isEmpty()) {
-                command = List.of(getHwiExecutable(Command.ENUMERATE).getAbsolutePath(), "--password", escape(passphrase), Command.ENUMERATE.toString());
+            if(passphrase != null) {
+                command = new ArrayList<>(List.of(getHwiExecutable(Command.ENUMERATE).getAbsolutePath(), "--password", escape(passphrase), Command.ENUMERATE.toString()));
             } else {
-                command = List.of(getHwiExecutable(Command.ENUMERATE).getAbsolutePath(), Command.ENUMERATE.toString());
+                command = new ArrayList<>(List.of(getHwiExecutable(Command.ENUMERATE).getAbsolutePath(), Command.ENUMERATE.toString()));
             }
 
+            addChainType(command, true);
+
             isPromptActive = true;
             output = execute(command);
             Device[] devices = getGson().fromJson(output, Device[].class);
             if(devices == null) {
                 throw new ImportException("Error scanning, check devices are ready");
             }
+            //Restore previous (pre v2.2.0) behaviour for Trezor One - don't default to an empty passphrase if one is not supplied
+            Arrays.stream(devices).filter(device -> device.containsWarning("Using default passphrase of the empty string")).forEach(device -> {
+                device.setFingerprint(null);
+                device.setNeedsPassphraseSent(true);
+                device.setError("Passphrase needs to be specified before the fingerprint information can be retrieved");
+            });
             return Arrays.stream(devices).filter(device -> device != null && device.getModel() != null).collect(Collectors.toList());
         } catch(IOException e) {
             log.error("Error executing " + HWI_VERSION_DIR, e);
@@ -67,7 +75,7 @@ public class Hwi {
                     throw new ImportException(error.getAsString());
                 } catch(Exception ex) {
                     log.error("Error parsing JSON: " + output, e);
-                    throw new ImportException("Error parsing JSON: " + output, e);
+                    throw new ImportException("Error scanning" + (output.isEmpty() ? ", check devices are ready" : ": " + output), e);
                 }
             }
             throw e;
@@ -118,7 +126,7 @@ public class Hwi {
     public String getXpub(Device device, String passphrase, String derivationPath) throws ImportException {
         try {
             String output;
-            if(passphrase != null && !passphrase.isEmpty() && device.getModel().externalPassphraseEntry()) {
+            if(passphrase != null && device.getModel().externalPassphraseEntry()) {
                 output = execute(getDeviceCommand(device, passphrase, Command.GET_XPUB, derivationPath));
             } else {
                 output = execute(getDeviceCommand(device, Command.GET_XPUB, derivationPath));
@@ -151,7 +159,7 @@ public class Hwi {
 
             isPromptActive = true;
             String output;
-            if(passphrase != null && !passphrase.isEmpty() && device.getModel().externalPassphraseEntry()) {
+            if(passphrase != null && device.getModel().externalPassphraseEntry()) {
                 output = execute(getDeviceCommand(device, passphrase, Command.DISPLAY_ADDRESS, "--desc", descriptor));
             } else {
                 output = execute(getDeviceCommand(device, Command.DISPLAY_ADDRESS, "--desc", descriptor));
@@ -179,7 +187,7 @@ public class Hwi {
         try {
             isPromptActive = true;
             String output;
-            if(passphrase != null && !passphrase.isEmpty() && device.getModel().externalPassphraseEntry()) {
+            if(passphrase != null && device.getModel().externalPassphraseEntry()) {
                 output = execute(getDeviceArguments(device, passphrase, Command.SIGN_MESSAGE), Command.SIGN_MESSAGE, message, derivationPath);
             } else {
                 output = execute(getDeviceArguments(device, Command.SIGN_MESSAGE), Command.SIGN_MESSAGE, message, derivationPath);
@@ -209,7 +217,7 @@ public class Hwi {
 
             isPromptActive = true;
             String output;
-            if(passphrase != null && !passphrase.isEmpty() && device.getModel().externalPassphraseEntry()) {
+            if(passphrase != null && device.getModel().externalPassphraseEntry()) {
                 output = execute(getDeviceArguments(device, passphrase, Command.SIGN_TX), Command.SIGN_TX, psbtBase64);
             } else {
                 output = execute(getDeviceArguments(device, Command.SIGN_TX), Command.SIGN_TX, psbtBase64);