issue #91: incorrect results when initial sync started not from scratch

The problem was with column hive_stat.block_num which is used only as
a last synced block number, but it was set with a last block number
known by hived

hive/indexer/sync.py

@@ -28,9 +28,6 @@ from hive.utils.stats import PrometheusClient as PC
 from hive.utils.stats import BroadcastObject
 from hive.utils.communities_rank import update_communities_posts_and_rank
 
-from hive.indexer.mock_block_provider import MockBlockProvider
-from hive.indexer.mock_vops_provider import MockVopsProvider
-
 from datetime import datetime
 
 log = logging.getLogger(__name__)
@@ -221,16 +218,6 @@ class Sync:
         from hive.db.schema import DB_VERSION as SCHEMA_DB_VERSION
         log.info("database_schema_version : %s", SCHEMA_DB_VERSION)
 
-        mock_block_data_path = self._conf.get("mock_block_data_path")
-        if mock_block_data_path:
-            MockBlockProvider.load_block_data(mock_block_data_path)
-            MockBlockProvider.print_data()
-
-        mock_vops_data_path = self._conf.get("mock_vops_data_path")
-        if mock_vops_data_path:
-            MockVopsProvider.load_block_data(mock_vops_data_path)
-            MockVopsProvider.print_data()
-
         # ensure db schema up to date, check app status
         DbState.initialize()
         Blocks.setup_own_db_access(self._db)
@@ -399,7 +386,7 @@ class Sync:
         self._db.query("""UPDATE hive_state SET block_num = :block_num,
                        steem_per_mvest = :spm, usd_per_steem = :ups,
                        sbd_per_steem = :sps, dgpo = :dgpo""",
-                       block_num=state['dgpo']['head_block_number'],
+                       block_num=Blocks.head_num(),
                        spm=state['steem_per_mvest'],
                        ups=state['usd_per_steem'],
                        sps=state['sbd_per_steem'],