store and display signatures of own requests

gui/qt/main_window.py

@@ -629,17 +629,17 @@ class ElectrumWindow(QMainWindow):
         buttons.addWidget(self.new_request_button)
 
         self.receive_requests_label = QLabel(_('My Requests'))
-        self.receive_list = MyTreeWidget(self, self.receive_list_menu, [_('Date'), _('Account'), _('Address'), _('Description'), _('Amount'), _('Status')], 3)
+        self.receive_list = MyTreeWidget(self, self.receive_list_menu, [_('Date'), _('Account'), _('Address'), _('Requestor'), _('Description'), _('Amount'), _('Status')], 4)
         self.receive_list.currentItemChanged.connect(self.receive_item_changed)
         self.receive_list.itemClicked.connect(self.receive_item_changed)
         self.receive_list.setSortingEnabled(True)
         self.receive_list.setColumnWidth(0, 180)
-        self.receive_list.hideColumn(1)     # the update will show it if necessary
-        self.receive_list.hideColumn(2)     # don't show address
-        self.receive_list.setColumnWidth(2, 340)
+        self.receive_list.hideColumn(1)
+        self.receive_list.hideColumn(2)
+        #self.receive_list.setColumnWidth(2, 340)
         h = self.receive_list.header()
         h.setStretchLastSection(False)
-        h.setResizeMode(3, QHeaderView.Stretch)
+        h.setResizeMode(4, QHeaderView.Stretch)
 
         # layout
         vbox_g = QVBoxLayout()
@@ -714,28 +714,34 @@ class ElectrumWindow(QMainWindow):
             return False
         i = self.expires_combo.currentIndex()
         expiration = map(lambda x: x[1], expiration_values)[i]
-        self.wallet.add_payment_request(addr, amount, message, expiration, self.config)
+        req = self.wallet.make_payment_request(addr, amount, message, expiration)
+        pr, requestor = self.make_bip70_request(req)
+        if requestor:
+            req['requestor'] = requestor
+            req['signature'] = pr.signature.encode('hex')
+        self.wallet.add_payment_request(req, self.config)
         self.update_receive_tab()
         self.update_address_tab()
         self.save_request_button.setEnabled(False)
-        return True
+        return pr
 
-    def make_payment_request(self, addr):
+    def make_bip70_request(self, req):
         alias = str(self.config.get('alias'))
         alias_privkey = None
         if alias:
             alias_info = self.contacts.resolve_openalias(alias)
             if alias_info:
-                alias_addr, alias_name = alias_info
+                alias_addr, alias_name, validated = alias_info
                 if alias_addr and self.wallet.is_mine(alias_addr):
-                    password = self.password_dialog()
-                    alias_privkey = self.wallet.get_private_key(alias_addr, password)[0]
-        r = self.wallet.get_payment_request(addr, self.config)
-        pr = paymentrequest.make_request(self.config, r, alias, alias_privkey)
-        return pr
+                    password = self.password_dialog(_('Please enter your password in order to sign your payment request.'))
+                    if password:
+                        alias_privkey = self.wallet.get_private_key(alias_addr, password)[0]
+        return paymentrequest.make_request(self.config, req, alias, alias_privkey)
 
     def export_payment_request(self, addr):
-        pr = self.make_payment_request(addr)
+        r = self.wallet.receive_requests.get(addr)
+        pr, requestor = paymentrequest.make_request(self.config, r)
+        pr = pr.SerializeToString()
         name = r['id'] + '.bip70'
         fileName = self.getSaveFileName(_("Select where to save your payment request"), name, "*.bip70")
         if fileName:
@@ -828,9 +834,13 @@ class ElectrumWindow(QMainWindow):
             message = req.get('memo', '')
             date = format_time(timestamp)
             status = req.get('status')
-            account = self.wallet.get_account_name(self.wallet.get_account_from_address(address))
+            signature = req.get('signature')
+            requestor = req.get('requestor', '')
             amount_str = self.format_amount(amount) if amount else ""
-            item = QTreeWidgetItem([date, account, address, message, amount_str, pr_tooltips.get(status,'')])
+            account = ''
+            item = QTreeWidgetItem([date, account, address, requestor, message, amount_str, pr_tooltips.get(status,'')])
+            if signature is not None:
+                item.setIcon(3, QIcon(":icons/confirmed.png"))
             if status is not PR_UNKNOWN:
                 item.setIcon(5, QIcon(pr_icons.get(status)))
             self.receive_list.addTopLevelItem(item)

lib/paymentrequest.py

@@ -297,6 +297,7 @@ def make_payment_request(outputs, memo, time, expires, key_path, cert_path, alia
     pr = pb2.PaymentRequest()
     pr.serialized_payment_details = pd.SerializeToString()
     pr.signature = ''
+    requestor = None
 
     if alias and alias_privkey:
         pr.pki_type = 'dnssec+btc'
@@ -306,6 +307,7 @@ def make_payment_request(outputs, memo, time, expires, key_path, cert_path, alia
         address = bitcoin.address_from_private_key(alias_privkey)
         compressed = bitcoin.is_compressed(alias_privkey)
         pr.signature = ec_key.sign_message(message, compressed, address)
+        requestor = alias
 
     if key_path and cert_path:
         import tlslite
@@ -322,7 +324,9 @@ def make_payment_request(outputs, memo, time, expires, key_path, cert_path, alia
         hashBytes = bytearray(hashlib.sha256(msgBytes).digest())
         sig = rsakey.sign(x509.PREFIX_RSA_SHA256 + hashBytes)
         pr.signature = bytes(sig)
-    return pr.SerializeToString()
+        requestor = 'x'
+
+    return pr, requestor
 
 
 def make_request(config, req, alias=None, alias_privkey=None):

lib/wallet.py

@@ -1256,16 +1256,22 @@ class Abstract_Wallet(object):
             status = PR_UNKNOWN
         return status
 
-    def add_payment_request(self, addr, amount, message, expiration, config):
-        import paymentrequest, shutil, os
+    def make_payment_request(self, addr, amount, message, expiration):
         timestamp = int(time.time())
         _id = Hash(addr + "%d"%timestamp).encode('hex')[0:10]
         r = {'timestamp':timestamp, 'amount':amount, 'expiration':expiration, 'address':addr, 'memo':message, 'id':_id}
-        self.receive_requests[addr] = r
+        return r
+
+    def add_payment_request(self, req, config):
+        import paymentrequest, shutil, os
+        addr = req['address']
+        amount = req.get('amount')
+        message = req.get('memo')
+        self.receive_requests[addr] = req
         self.storage.put('payment_requests', self.receive_requests)
         self.set_label(addr, message) # should be a default label
+
         rdir = config.get('requests_dir')
-        req = self.get_payment_request(addr, config)
         if rdir and amount is not None:
             if not os.path.exists(rdir):
                 os.mkdir(rdir)

plugins/email.py

@@ -146,19 +146,17 @@ class Plugin(BasePlugin):
     def send(self):
         addr = str(self.win.receive_address_e.text())
         message = unicode(self.win.receive_message_e.text())
-        payment_request = self.win.make_payment_request(addr)
-
-        if not self.win.save_payment_request():
+        payment_request = self.win.save_payment_request()
+        if not payment_request:
             return
-
         recipient, ok = QtGui.QInputDialog.getText(self.win, 'Send request', 'Send request to:')
         if not ok:
             return
-
         recipient = str(recipient)
+        payload = payment_request.SerializeToString()
         self.print_error('sending mail to', recipient)
         try:
-            self.processor.send(recipient, message, payment_request)
+            self.processor.send(recipient, message, payload)
         except BaseException as e:
             self.win.show_message(str(e))
             return