Show BIP32 path for BIP32_HD_Wallet classes

from right-click Show Public Keys menu.

Fixes #1598

gui/qt/main_window.py

@@ -42,8 +42,8 @@ from electrum.util import format_satoshis, format_satoshis_plain, format_time
 from electrum.util import PrintError, NotEnoughFunds, StoreDict
 from electrum import Transaction, mnemonic
 from electrum import util, bitcoin, commands
-from electrum import SimpleConfig, COIN_CHOOSERS
-from electrum import Wallet, paymentrequest
+from electrum import SimpleConfig, COIN_CHOOSERS, paymentrequest
+from electrum.wallet import Wallet, BIP32_HD_Wallet
 
 from amountedit import BTCAmountEdit, MyLineEdit, BTCkBEdit
 from network_dialog import NetworkDialog
@@ -2030,7 +2030,10 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
         d.setMinimumSize(600, 200)
         vbox = QVBoxLayout()
         vbox.addWidget( QLabel(_("Address") + ': ' + address))
-        vbox.addWidget( QLabel(_("Public key") + ':'))
+        if isinstance(self.wallet, BIP32_HD_Wallet):
+            derivation = self.wallet.address_id(address)
+            vbox.addWidget(QLabel(_("Derivation") + ': ' + derivation))
+        vbox.addWidget(QLabel(_("Public key") + ':'))
         keys_e = ShowQRTextEdit(text='\n'.join(pubkey_list))
         keys_e.addCopyButton(self.app)
         vbox.addWidget(keys_e)

lib/wallet.py

@@ -1725,17 +1725,6 @@ class BIP32_HD_Wallet(BIP32_Wallet):
     def accounts_all_used(self):
         return all(self.account_is_used(acc_id) for acc_id in self.accounts)
 
-class BIP44_Wallet(BIP32_HD_Wallet):
-    root_derivation = "m/44'/0'"
-    wallet_type = 'bip44'
-
-    def can_sign_xpubkey(self, x_pubkey):
-        xpub, sequence = BIP32_Account.parse_xpubkey(x_pubkey)
-        return xpub in self.master_public_keys.values()
-
-    def can_create_accounts(self):
-        return not self.is_watching_only()
-
     @classmethod
     def prefix(self):
         return "/".join(self.root_derivation.split("/")[1:])
@@ -1753,6 +1742,18 @@ class BIP44_Wallet(BIP32_HD_Wallet):
         acc_id, (change, address_index) = self.get_address_index(address)
         return self.address_derivation(acc_id, change, address_index)
 
+
+class BIP44_Wallet(BIP32_HD_Wallet):
+    root_derivation = "m/44'/0'"
+    wallet_type = 'bip44'
+
+    def can_sign_xpubkey(self, x_pubkey):
+        xpub, sequence = BIP32_Account.parse_xpubkey(x_pubkey)
+        return xpub in self.master_public_keys.values()
+
+    def can_create_accounts(self):
+        return not self.is_watching_only()
+
     @staticmethod
     def normalize_passphrase(passphrase):
         return normalize('NFKD', unicode(passphrase or ''))