diff --git a/onionr/communicator/__init__.py b/onionr/communicator/__init__.py
index ff4d1853..5dfaf053 100755
--- a/onionr/communicator/__init__.py
+++ b/onionr/communicator/__init__.py
@@ -43,7 +43,7 @@ class OnionrCommunicatorDaemon:
         self.config = config
         self.storage_counter = storagecounter.StorageCounter()
         self.isOnline = True # Assume we're connected to the internet
-        self.shared_state = shared_state
+        self.shared_state = shared_state # TooManyObjects module
 
         # list of timer instances
         self.timers = []
@@ -53,6 +53,8 @@ class OnionrCommunicatorDaemon:
 
         # Upload information, list of blocks to upload
         self.blocksToUpload = []
+        self.upload_session_manager = self.shared_state.get(uploadblocks.sessionmanager.BlockUploadSessionManager)
+        self.shared_state.share_object()
 
         # loop time.sleep delay in seconds
         self.delay = 1
diff --git a/onionr/communicatorutils/uploadblocks/__init__.py b/onionr/communicatorutils/uploadblocks/__init__.py
index 19b43c9b..20005b49 100755
--- a/onionr/communicatorutils/uploadblocks/__init__.py
+++ b/onionr/communicatorutils/uploadblocks/__init__.py
@@ -3,6 +3,7 @@
 
     Upload blocks in the upload queue to peers from the communicator
 '''
+from __future__ import annotations
 '''
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,6 +18,7 @@
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 '''
+from typing import Union
 import logger
 from communicatorutils import proxypicker
 import onionrexceptions
@@ -25,12 +27,13 @@ from onionrutils import localcommand, stringvalidators, basicrequests
 from communicator import onlinepeers
 import onionrcrypto
 
-from . import session
-
-def upload_blocks_from_communicator(comm_inst):
-    # when inserting a block, we try to upload it to a few peers to add some deniability
+def upload_blocks_from_communicator(comm_inst: OnionrCommunicatorDaemon):
+    """Accepts a communicator instance and uploads blocks from its upload queue"""
+    """when inserting a block, we try to upload
+     it to a few peers to add some deniability & increase functionality"""
     TIMER_NAME = "upload_blocks_from_communicator"
 
+    session_manager = comm_inst.shared_state.get_by_string('BlockUploadSessionManager')
     triedPeers = []
     finishedUploads = []
     comm_inst.blocksToUpload = onionrcrypto.cryptoutils.random_shuffle(comm_inst.blocksToUpload)
@@ -40,20 +43,20 @@ def upload_blocks_from_communicator(comm_inst):
                 logger.warn('Requested to upload invalid block', terminal=True)
                 comm_inst.decrementThreadCount(TIMER_NAME)
                 return
+            session_manager.new_session(bl)
             for i in range(min(len(comm_inst.onlinePeers), 6)):
                 peer = onlinepeers.pick_online_peer(comm_inst)
                 if peer in triedPeers:
                     continue
                 triedPeers.append(peer)
-                url = 'http://%s/upload' % (peer,)
+                url = f'http://{peer}/upload'
                 try:
-                    #data = {'block': block.Block(bl).getRaw()}
                     data = block.Block(bl).getRaw()
                 except onionrexceptions.NoDataAvailable:
                     finishedUploads.append(bl)
                     break
                 proxyType = proxypicker.pick_proxy(peer)
-                logger.info("Uploading block %s to %s" % (bl[:8], peer), terminal=True)
+                logger.info(f"Uploading block {bl:[:8]} to {peer}", terminal=True)
                 resp = basicrequests.do_post_request(url, data=data, proxyType=proxyType, content_type='application/octet-stream')
                 if not resp == False:
                     if resp == 'success':
@@ -62,7 +65,7 @@ def upload_blocks_from_communicator(comm_inst):
                     elif resp == 'exists':
                         finishedUploads.append(bl)
                     else:
-                        logger.warn('Failed to upload %s, reason: %s' % (bl[:8], resp[:150]), terminal=True)
+                        logger.warn(f'Failed to upload {bl[:8]}, reason: {resp[:15]}'), terminal=True)
     for x in finishedUploads:
         try:
             comm_inst.blocksToUpload.remove(x)
diff --git a/onionr/communicatorutils/uploadblocks/session.py b/onionr/communicatorutils/uploadblocks/session.py
index 24415975..aaeabb0c 100644
--- a/onionr/communicatorutils/uploadblocks/session.py
+++ b/onionr/communicatorutils/uploadblocks/session.py
@@ -33,6 +33,7 @@ class UploadSession:
         block_hash = reconstructhash.reconstruct_hash(block_hash)
         if not stringvalidators.validate_hash(block_hash): raise ValueError
 
+        self.start_time = epoch.get_epoch()
         self.block_hash = reconstructhash.deconstruct_hash(block_hash)
         self.total_fail_count: int = 0
         self.total_success_count: int = 0
diff --git a/onionr/communicatorutils/uploadblocks/sessionmanager.py b/onionr/communicatorutils/uploadblocks/sessionmanager.py
index e69de29b..82cd6971 100644
--- a/onionr/communicatorutils/uploadblocks/sessionmanager.py
+++ b/onionr/communicatorutils/uploadblocks/sessionmanager.py
@@ -0,0 +1,37 @@
+"""
+    Onionr - Private P2P Communication
+
+    Manager for upload 'sessions'
+"""
+from __future__ import annotations
+"""
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+"""
+from typing import Iterable, Union
+from onionrutils import bytesconverter
+class BlockUploadSessionManager:
+    def __init__(self, old_sessions:Iterable=None):
+        if old_session is None:
+            self.sessions = []
+        else:
+            self.sessions = old_session
+    
+    def add_session(self, session_or_block: Union(str, bytes, UploadSession, Block)):
+        """Create (or add existing) block upload session from a str/bytes block hex hash, existing UploadSession or Block object"""
+        if isinstance(session_or_block, bytes): session_or_block = bytesconverter.bytes_to_str(session_or_block)
+        if isinstance(session_or_block, str):
+            self.sessions.append()
+
+    def clean_session(self, specific_session: Union[str, UploadSession]):
+        return
\ No newline at end of file
diff --git a/onionr/etc/waitforsetvar.py b/onionr/etc/waitforsetvar.py
index f2c023ac..60921499 100644
--- a/onionr/etc/waitforsetvar.py
+++ b/onionr/etc/waitforsetvar.py
@@ -1,4 +1,8 @@
-def wait_for_set_var(obj, attribute):
-    while True:
-        if hasattr(obj, attribute):
-            break
\ No newline at end of file
+from __future__ import annotations
+from typing import Union, Generic
+from gevent import sleep
+def wait_for_set_var(obj, attribute, sleep_seconds: Union[int, float]=0):
+    """Wait for an object to get an attribute with an optional sleep time"""
+    while not hasattr(obj, attribute):
+        if hasattr(obj, attribute): break
+        if sleep_seconds > 0: sleep(sleep_seconds)
\ No newline at end of file
diff --git a/onionr/static-data/www/shared/sites.js b/onionr/static-data/www/shared/sites.js
index ab5c01a8..689938d9 100755
--- a/onionr/static-data/www/shared/sites.js
+++ b/onionr/static-data/www/shared/sites.js
@@ -13,6 +13,8 @@ document.getElementById('openSite').onclick = function(){
         window.location.href = '/site/' + hash
     }
     else{
-        alert('Invalid site hash')
+        PNotify.error({
+            text: 'Invalid site hash'
+        })
     }
 }
\ No newline at end of file
diff --git a/tests/test_waitforsetvars.py b/tests/test_waitforsetvars.py
new file mode 100644
index 00000000..76bbb724
--- /dev/null
+++ b/tests/test_waitforsetvars.py
@@ -0,0 +1,45 @@
+import sys, os
+sys.path.append(".")
+sys.path.append("onionr/")
+import unittest, uuid, time, threading
+
+TEST_DIR = 'testdata/%s-%s' % (uuid.uuid4(), os.path.basename(__file__)) + '/'
+os.environ["ONIONR_HOME"] = TEST_DIR
+from etc import waitforsetvar
+
+def set_test_var_delay(obj, delay=0):
+    if delay > 0: time.sleep(delay)
+    obj.test_var = True
+
+class TestWaitForSetVar(unittest.TestCase):
+    def test_no_wait(self):
+        test_object = lambda: None
+        threading.Thread(target=set_test_var_delay, args=[test_object]).start()
+        waitforsetvar.wait_for_set_var(test_object, 'test_var')
+        self.assertTrue(test_object.test_var)
+
+    def test_negative_wait(self):
+        test_object = lambda: None
+        threading.Thread(target=set_test_var_delay, args=[test_object, -1]).start()
+        waitforsetvar.wait_for_set_var(test_object, 'test_var')
+        self.assertTrue(test_object.test_var)
+    
+    def test_zero_wait(self):
+        test_object = lambda: None
+        threading.Thread(target=set_test_var_delay, args=[test_object, 0]).start()
+        waitforsetvar.wait_for_set_var(test_object, 'test_var')
+        self.assertTrue(test_object.test_var)
+
+    def test_one_wait(self):
+        test_object = lambda: None
+        threading.Thread(target=set_test_var_delay, args=[test_object, 1]).start()
+        waitforsetvar.wait_for_set_var(test_object, 'test_var')
+        self.assertTrue(test_object.test_var)
+
+    def test_three_wait(self):
+        test_object = lambda: None
+        threading.Thread(target=set_test_var_delay, args=[test_object, 3]).start()
+        waitforsetvar.wait_for_set_var(test_object, 'test_var')
+        self.assertTrue(test_object.test_var)
+
+unittest.main()