bugfix

src/dexorder/bin/main.py

@@ -72,6 +72,8 @@ async def main():
     if memcache:
         await memcache.connect()
         redis_state = RedisState(BlockData.by_opt('redis'))
+    else:
+        log.debug('No memcache')
     db.connect()
     if db:
         db_state = DbState(BlockData.by_opt('db'))
@@ -79,7 +81,8 @@ async def main():
             state = await db_state.load()
             if state is None:
                 log.info('no state in database')
-                await redis_state.clear()
+                if redis_state:
+                    await redis_state.clear()
             else:
                 current_blockstate.set(state)
                 current_fork.set(state.root_fork)