add check and daemon api endpoint to fix #41

docs/dev/http-api.md

@@ -37,6 +37,9 @@ Please note: endpoints that simply provide static web app files are not document
 * /getblockheader/hash
     - Methods: GET
     - Returns the header (metadata section) of a block.
+* /gethidden/
+    - Methods: GET
+    - Returns line separated list of hidden blocks
 * /hitcount
     - Methods: GET
     - Return the amount of requests the public api server has received this session

src/httpapi/miscclientapi/endpoints.py

@@ -103,6 +103,10 @@ class PrivateEndpoints:
             subprocess.Popen([SCRIPT_NAME, 'restart'])
             return Response("bye")
         
+        @private_endpoints_bp.route('/gethidden')
+        def get_hidden_blocks():
+            return Response('\n'.join(client_api.publicAPI.hideBlocks))
+        
         @private_endpoints_bp.route('/getstats')
         def getStats():
             # returns node stats

src/onionrblocks/insert.py

@@ -34,6 +34,20 @@ from onionrproofs import subprocesspow
 import logger
 from onionrtypes import UserIDSecretKey
 
+
+def _check_upload_queue():
+    """Returns the current upload queue len
+    raises OverflowError if max
+    """
+    max_upload_queue: int = 5000
+    queue = localcommand.local_command('/gethidden', maxWait=10)
+    up_queue = len(queue.splitlines())
+
+    if up_queue >= max_upload_queue:
+        raise OverflowError
+    return up_queue
+
+
 def insert_block(data: Union[str, bytes], header: str = 'txt',
                  sign: bool = False, encryptType: str = '', symKey: str = '',
                  asymPeer: str = '', meta: dict = {},
@@ -46,6 +60,9 @@ def insert_block(data: Union[str, bytes], header: str ='txt',
     our_private_key = crypto.priv_key
     our_pub_key = crypto.pub_key
 
+    is_offline = True
+    if not _check_upload_queue() is False: is_offline = False
+
     if signing_key != '':
         # if it was specified to use an alternative private key
         our_private_key = signing_key
@@ -76,9 +93,6 @@ def insert_block(data: Union[str, bytes], header: str ='txt',
     with open(filepaths.data_nonce_file, 'a') as nonceFile:
         nonceFile.write(dataNonce + '\n')
 
-    #if type(data) is bytes:
-    #    data = data.decode()
-    #data = str(data)
     plaintext = data
     plaintextMeta = {}
     plaintextPeer = asymPeer
@@ -173,7 +187,7 @@ def insert_block(data: Union[str, bytes], header: str ='txt',
             retData = False
         else:
             # Tell the api server through localCommand to wait for the daemon to upload this block to make statistical analysis more difficult
-            if localcommand.local_command('/ping', maxWait=10) == 'pong!':
+            if not is_offline or localcommand.local_command('/ping', maxWait=10) == 'pong!':
                 if config.get('general.security_level', 1) == 0:
                     localcommand.local_command('/waitforshare/' + retData, post=True, maxWait=5)
                 coredb.daemonqueue.daemon_queue_add('uploadBlock', retData)