Add enableAddress API command and a check for sending from disabled address

src/api.py

@@ -883,6 +883,16 @@ class BMRPCDispatcher(object):
         shared.reloadMyAddressHashes()
         return "success"
 
+    @command('enableAddress')
+    def HandleEnableAddress(self, address, enable=True):
+        """Enable or disable the address depending on the *enable* value"""
+        self._verifyAddress(address)
+        address = addBMIfNotPresent(address)
+        config.set(address, 'enabled', str(enable))
+        self.config.save()
+        shared.reloadMyAddressHashes()
+        return "success"
+
     @command('getAllInboxMessages')
     def HandleGetAllInboxMessages(self):
         """

src/tests/test_api.py

@@ -413,6 +413,11 @@ class TestAPI(TestAPIProto):
             self.assertEqual(self.api.deleteAndVacuum(), 'done')
             self.assertIsNone(json.loads(
                 self.api.getSentMessageById(sent_msgid)))
+            # Try sending from disabled address
+            self.assertEqual(self.api.enableAddress(addr, False), 'success')
+            result = self.api.sendBroadcast(
+                addr, base64.encodestring('test_subject'), msg)
+            self.assertRegexpMatches(result, r'^API Error 0014:')
         finally:
             self.assertEqual(self.api.deleteAddress(addr), 'success')