Hopeful timeout fixes (#39)

Author: mariano54

config/config.yaml

@@ -69,7 +69,7 @@ full_node:
   # This SSH key is for the ui SSH server
   ssh_filename: config/ssh_host_key
   # How often to connect to introducer if we need to learn more peers
-  introducer_connect_interval: 120
+  introducer_connect_interval: 500
   # Continue trying to connect to more peers until this number of connections
   target_peer_count: 10
   # Only connect to peers who we have heard about in the last recent_peer_threshold seconds

src/database.py

@@ -23,7 +23,7 @@ class Database(ABC):
     def __init__(self, db_name):
         loop = asyncio.get_event_loop()
         client = motor_asyncio.AsyncIOMotorClient(
-            "mongodb://localhost:27017/", io_loop=loop
+            "mongodb://127.0.0.1:27017/", io_loop=loop
         )
         log.info("Connecting to mongodb database")
         self.db = client.get_database(

src/full_node.py

@@ -924,7 +924,7 @@ async def unfinished_block(
         if expected_time > constants["PROPAGATION_DELAY_THRESHOLD"]:
             log.info(f"Block is slow, expected {expected_time} seconds, waiting")
             # If this block is slow, sleep to allow faster blocks to come out first
-            await asyncio.sleep(3)
+            await asyncio.sleep(5)
 
         async with self.store.lock:
             leader: Tuple[uint32, uint64] = self.store.get_unfinished_block_leader()

src/ui/prompt_ui.py

@@ -1,6 +1,7 @@
 import asyncio
 import logging
 import collections
+import concurrent
 import os
 from typing import Callable, List, Optional, Tuple
 from yaml import safe_load
@@ -518,6 +519,8 @@ async def update_data(self):
                     for pk in self.pool_pks
                 ]
                 await asyncio.sleep(5)
+        except concurrent.futures._base.CancelledError as e:
+            log.warn(f"Cancelled error in UI: {type(e)}: {e}")
         except Exception as e:
             log.warn(f"Exception in UI update_data {type(e)}: {e}")
             raise e