add wallet type imported addresses/private keys to wizard

electrum/gui/qml/components/Wallets.qml

@@ -153,9 +153,14 @@ Pane {
             Label { text: 'has Seed'; color: Material.accentColor }
             Label { text: Daemon.currentWallet.hasSeed }
 
-            Label { Layout.columnSpan:4; text: qsTr('Master Public Key'); color: Material.accentColor }
+            Label {
+                visible: Daemon.currentWallet.masterPubkey
+                Layout.columnSpan:4; text: qsTr('Master Public Key'); color: Material.accentColor
+            }
 
             TextHighlightPane {
+                visible: Daemon.currentWallet.masterPubkey
+
                 Layout.columnSpan: 4
                 Layout.fillWidth: true
                 padding: 0

electrum/gui/qml/components/wizard/WCImport.qml

@@ -0,0 +1,102 @@
+import QtQuick 2.6
+import QtQuick.Layouts 1.0
+import QtQuick.Controls 2.1
+
+import org.electrum 1.0
+
+import "../controls"
+
+WizardComponent {
+    id: root
+
+    valid: false
+
+    onAccept: {
+        if (bitcoin.isAddressList(import_ta.text)) {
+            wizard_data['address_list'] = import_ta.text
+        } else if (bitcoin.isPrivateKeyList(import_ta.text)) {
+            wizard_data['private_key_list'] = import_ta.text
+        }
+    }
+
+    function verify(text) {
+        return bitcoin.isAddressList(text) || bitcoin.isPrivateKeyList(text)
+    }
+
+    ColumnLayout {
+        width: parent.width
+
+        Label { text: qsTr('Import Bitcoin Addresses') }
+
+        InfoTextArea {
+            text: qsTr('Enter a list of Bitcoin addresses (this will create a watching-only wallet), or a list of private keys.')
+        }
+
+        RowLayout {
+            TextArea {
+                id: import_ta
+                Layout.fillWidth: true
+                Layout.minimumHeight: 80
+                focus: true
+                wrapMode: TextEdit.WrapAnywhere
+                onTextChanged: valid = verify(text)
+            }
+            ColumnLayout {
+                Layout.alignment: Qt.AlignTop
+                ToolButton {
+                    icon.source: '../../../icons/paste.png'
+                    icon.height: constants.iconSizeMedium
+                    icon.width: constants.iconSizeMedium
+                    onClicked: {
+                        if (verify(AppController.clipboardToText())) {
+                            if (import_ta.text != '')
+                                import_ta.text = import_ta.text + '\n'
+                            import_ta.text = import_ta.text + AppController.clipboardToText()
+                        }
+                    }
+                }
+                ToolButton {
+                    icon.source: '../../../icons/qrcode.png'
+                    icon.height: constants.iconSizeMedium
+                    icon.width: constants.iconSizeMedium
+                    scale: 1.2
+                    onClicked: {
+                        var scan = qrscan.createObject(root)
+                        scan.onFound.connect(function() {
+                            if (verify(scan.scanData)) {
+                                if (import_ta.text != '')
+                                    import_ta.text = import_ta.text + ',\n'
+                                import_ta.text = import_ta.text + scan.scanData
+                            }
+                            scan.destroy()
+                        })
+                    }
+                }
+            }
+        }
+    }
+
+    Component {
+        id: qrscan
+        QRScan {
+            width: root.width
+            height: root.height
+
+            ToolButton {
+                icon.source: '../../../icons/closebutton.png'
+                icon.height: constants.iconSizeMedium
+                icon.width: constants.iconSizeMedium
+                anchors.right: parent.right
+                anchors.top: parent.top
+                onClicked: {
+                    parent.destroy()
+                }
+            }
+        }
+    }
+
+    Bitcoin {
+        id: bitcoin
+    }
+
+}

electrum/gui/qml/components/wizard/WCWalletType.qml

@@ -38,9 +38,8 @@ WizardComponent {
             text: qsTr('Multi-signature wallet')
         }
         RadioButton {
-            enabled: false
             ButtonGroup.group: wallettypegroup
-            property string wallettype: 'import'
+            property string wallettype: 'imported'
             text: qsTr('Import Bitcoin addresses or private keys')
         }
     }

electrum/gui/qml/qeaddresslistmodel.py

@@ -65,7 +65,7 @@ class QEAddressListModel(QAbstractListModel):
     def init_model(self):
         r_addresses = self.wallet.get_receiving_addresses()
         c_addresses = self.wallet.get_change_addresses()
-        n_addresses = len(r_addresses) + len(c_addresses)
+        n_addresses = len(r_addresses) + len(c_addresses) if self.wallet.use_change else 0
 
         def insert_row(atype, alist, address, iaddr):
             item = self.addr_to_model(address)
@@ -80,7 +80,7 @@ class QEAddressListModel(QAbstractListModel):
             insert_row('receive', self.receive_addresses, address, i)
             i = i + 1
         i = 0
-        for address in c_addresses:
+        for address in c_addresses if self.wallet.use_change else []:
             insert_row('change', self.change_addresses, address, i)
             i = i + 1
         self.endInsertRows()

electrum/gui/qml/qebitcoin.py

@@ -164,3 +164,12 @@ class QEBitcoin(QObject):
             return True
         except:
             return False
+
+    @pyqtSlot(str, result=bool)
+    def isAddressList(self, csv: str):
+        return keystore.is_address_list(csv)
+
+    @pyqtSlot(str, result=bool)
+    def isPrivateKeyList(self, csv: str):
+        return keystore.is_private_key_list(csv)
+

electrum/gui/qml/qewallet.py

@@ -319,6 +319,8 @@ class QEWallet(AuthMixin, QObject, QtEventListener):
 
     @pyqtProperty(str, notify=dataChanged)
     def txinType(self):
+        if self.wallet.wallet_type == 'imported':
+            return self.wallet.txin_type
         return self.wallet.get_txin_type(self.wallet.dummy_address())
 
     @pyqtProperty(bool, notify=dataChanged)
@@ -342,6 +344,9 @@ class QEWallet(AuthMixin, QObject, QtEventListener):
         keystores = self.wallet.get_keystores()
         if len(keystores) > 1:
             self._logger.debug('multiple keystores not supported yet')
+        if len(keystores) == 0:
+            self._logger.debug('no keystore')
+            return ''
         return keystores[0].get_derivation_prefix()
 
     @pyqtProperty(str, notify=dataChanged)

electrum/gui/qml/qewizard.py

@@ -59,6 +59,7 @@ class QENewWalletWizard(NewWalletWizard, QEAbstractWizard):
             'have_seed': { 'gui': 'WCHaveSeed' },
             'bip39_refine': { 'gui': 'WCBIP39Refine' },
             'have_master_key': { 'gui': 'WCHaveMasterKey' },
+            'imported': { 'gui': 'WCImport' },
             'wallet_password': { 'gui': 'WCWalletPassword' }
         })
 

electrum/gui/wizard.py

@@ -8,6 +8,7 @@ from electrum.storage import WalletStorage, StorageEncryptionVersion
 from electrum.wallet_db import WalletDB
 from electrum.bip32 import normalize_bip32_derivation, xpub_type
 from electrum import keystore
+from electrum import bitcoin
 
 class WizardViewState(NamedTuple):
     view: str
@@ -162,6 +163,10 @@ class NewWalletWizard(AbstractWizard):
                 'next': 'wallet_password',
                 'last': self.last_if_single_password
             },
+            'imported': {
+                'next': 'wallet_password',
+                'last': self.last_if_single_password
+            },
             'wallet_password': {
                 'last': True
             }
@@ -180,10 +185,12 @@ class NewWalletWizard(AbstractWizard):
         return self.last_if_single_password(view, wizard_data) and not wizard_data['seed_type'] == 'bip39'
 
     def on_wallet_type(self, wizard_data):
-        if wizard_data['wallet_type'] == '2fa':
-            return 'trustedcoin_start'
-
-        return 'keystore_type'
+        t = wizard_data['wallet_type']
+        return {
+            'standard': 'keystore_type',
+            '2fa': 'trustedcoin_start',
+            'imported': 'imported'
+        }.get(t)
 
     def on_keystore_type(self, wizard_data):
         t = wizard_data['keystore_type']
@@ -205,13 +212,28 @@ class NewWalletWizard(AbstractWizard):
 
     def create_storage(self, path, data):
         # only standard and 2fa wallets for now
-        assert data['wallet_type'] in ['standard', '2fa']
+        assert data['wallet_type'] in ['standard', '2fa', 'imported']
 
         if os.path.exists(path):
             raise Exception('file already exists at path')
         storage = WalletStorage(path)
 
-        if data['keystore_type'] in ['createseed', 'haveseed']:
+        k = None
+        if not 'keystore_type' in data:
+            assert data['wallet_type'] == 'imported'
+            addresses = {}
+            if 'private_key_list' in data:
+                k = keystore.Imported_KeyStore({})
+                keys = keystore.get_private_keys(data['private_key_list'])
+                for pk in keys:
+                    assert bitcoin.is_private_key(pk)
+                    txin_type, pubkey = k.import_privkey(pk, None)
+                    addr = bitcoin.pubkey_to_address(txin_type, pubkey)
+                    addresses[addr] = {'type': txin_type, 'pubkey': pubkey}
+            elif 'address_list' in data:
+                for addr in data['address_list'].split():
+                    addresses[addr] = {}
+        elif data['keystore_type'] in ['createseed', 'haveseed']:
             if data['seed_type'] in ['old', 'standard', 'segwit']: #2fa, 2fa-segwit
                 self._logger.debug('creating keystore from electrum seed')
                 k = keystore.from_seed(data['seed'], data['seed_extra_words'], data['wallet_type'] == 'multisig')
@@ -237,7 +259,7 @@ class NewWalletWizard(AbstractWizard):
             raise Exception('unsupported/unknown keystore_type %s' % data['keystore_type'])
 
         if data['encrypt']:
-            if k.may_have_password():
+            if k and k.may_have_password():
                 k.update_password(None, data['password'])
             storage.set_password(data['password'], enc_version=StorageEncryptionVersion.USER_PASSWORD)
 
@@ -255,8 +277,12 @@ class NewWalletWizard(AbstractWizard):
             db.put('x2/', data['x2/'])
             db.put('x3/', data['x3/'])
             db.put('use_trustedcoin', True)
+        elif data['wallet_type'] == 'imported':
+            if k:
+                db.put('keystore', k.dump())
+            db.put('addresses', addresses)
 
-        if k.can_have_deterministic_lightning_xprv():
+        if k and k.can_have_deterministic_lightning_xprv():
             db.put('lightning_xprv', k.get_lightning_xprv(data['password'] if data['encrypt'] else None))
 
         db.load_plugins()