hw wallets: define SUPPORTED_XTYPES for each plugin

plugins/digitalbitbox/digitalbitbox.py

@@ -96,7 +96,7 @@ class DigitalBitbox_Client():
 
 
     def get_xpub(self, bip32_path, xtype):
-        assert xtype in ('standard', 'p2wpkh-p2sh', 'p2wpkh')
+        assert xtype in self.plugin.SUPPORTED_XTYPES
         reply = self._get_xpub(bip32_path)
         if reply:
             xpub = reply['xpub']
@@ -664,6 +664,7 @@ class DigitalBitboxPlugin(HW_PluginBase):
     DEVICE_IDS = [
                    (0x03eb, 0x2402) # Digital Bitbox
                  ]
+    SUPPORTED_XTYPES = ('standard', 'p2wpkh-p2sh', 'p2wpkh', 'p2wsh-p2sh', 'p2wsh')
 
     def __init__(self, parent, config, name):
         HW_PluginBase.__init__(self, parent, config, name)
@@ -723,8 +724,8 @@ class DigitalBitboxPlugin(HW_PluginBase):
 
 
     def get_xpub(self, device_id, derivation, xtype, wizard):
-        if xtype not in ('standard', 'p2wpkh-p2sh', 'p2wpkh'):
+        if xtype not in self.SUPPORTED_XTYPES:
-            raise ScriptTypeNotSupported(_('This type of script is not supported with the Digital Bitbox.'))
+            raise ScriptTypeNotSupported(_('This type of script is not supported with {}.').format(self.device))
         devmgr = self.device_manager()
         client = devmgr.client_by_id(device_id)
         client.handler = self.create_handler(wizard)

plugins/keepkey/keepkey.py

@@ -78,6 +78,7 @@ class KeepKeyPlugin(HW_PluginBase):
     libraries_URL = 'https://github.com/keepkey/python-keepkey'
     minimum_firmware = (1, 0, 0)
     keystore_class = KeepKey_KeyStore
+    SUPPORTED_XTYPES = ('standard', )
 
     MAX_LABEL_LEN = 32
 
@@ -235,8 +236,8 @@ class KeepKeyPlugin(HW_PluginBase):
         client.used()
 
     def get_xpub(self, device_id, derivation, xtype, wizard):
-        if xtype not in ('standard',):
+        if xtype not in self.SUPPORTED_XTYPES:
-            raise ScriptTypeNotSupported(_('This type of script is not supported with KeepKey.'))
+            raise ScriptTypeNotSupported(_('This type of script is not supported with {}.').format(self.device))
         devmgr = self.device_manager()
         client = devmgr.client_by_id(device_id)
         client.handler = wizard

plugins/ledger/ledger.py

@@ -12,6 +12,7 @@ from electrum.transaction import Transaction
 from electrum.wallet import Standard_Wallet
 from ..hw_wallet import HW_PluginBase
 from electrum.util import print_error, is_verbose, bfh, bh2u, versiontuple
+from electrum.base_wizard import ScriptTypeNotSupported
 
 try:
     import hid
@@ -549,6 +550,7 @@ class LedgerPlugin(HW_PluginBase):
                    (0x2c97, 0x0000), # Blue
                    (0x2c97, 0x0001)  # Nano-S
                  ]
+    SUPPORTED_XTYPES = ('standard', 'p2wpkh-p2sh', 'p2wpkh', 'p2wsh-p2sh', 'p2wsh')
 
     def __init__(self, parent, config, name):
         self.segwit = config.get("segwit")
@@ -592,6 +594,8 @@ class LedgerPlugin(HW_PluginBase):
         client.get_xpub("m/44'/0'", 'standard') # TODO replace by direct derivation once Nano S > 1.1
 
     def get_xpub(self, device_id, derivation, xtype, wizard):
+        if xtype not in self.SUPPORTED_XTYPES:
+            raise ScriptTypeNotSupported(_('This type of script is not supported with {}.').format(self.device))
         devmgr = self.device_manager()
         client = devmgr.client_by_id(device_id)
         client.handler = self.create_handler(wizard)

plugins/trezor/trezor.py

@@ -10,6 +10,7 @@ from electrum.i18n import _
 from electrum.plugins import BasePlugin, Device
 from electrum.transaction import deserialize, Transaction
 from electrum.keystore import Hardware_KeyStore, is_xpubkey, parse_xpubkey, xtype_from_derivation
+from electrum.base_wizard import ScriptTypeNotSupported
 
 from ..hw_wallet import HW_PluginBase
 
@@ -85,6 +86,7 @@ class TrezorPlugin(HW_PluginBase):
     minimum_firmware = (1, 5, 2)
     keystore_class = TrezorKeyStore
     minimum_library = (0, 9, 0)
+    SUPPORTED_XTYPES = ('standard', 'p2wpkh-p2sh', 'p2wpkh', 'p2wsh-p2sh', 'p2wsh')
 
     MAX_LABEL_LEN = 32
 
@@ -263,6 +265,8 @@ class TrezorPlugin(HW_PluginBase):
         client.used()
 
     def get_xpub(self, device_id, derivation, xtype, wizard):
+        if xtype not in self.SUPPORTED_XTYPES:
+            raise ScriptTypeNotSupported(_('This type of script is not supported with {}.').format(self.device))
         devmgr = self.device_manager()
         client = devmgr.client_by_id(device_id)
         client.handler = wizard