Use '' as default snapshot_from value

Author: badrogger

node_cli/cli/mirage_node.py

@@ -111,9 +111,9 @@ def restore_node(backup_path, env_file, config_only):
 @click.option(
     '--snapshot-from',
     type=URL_TYPE,
-    default=None,
+    default='',
     hidden=True,
     help=TEXTS['mirage']['node']['repair']['snapshot_from']
 )
-def repair(snapshot_from: str | None = None) -> None:
+def repair(snapshot_from: str = '') -> None:
     request_repair(snapshot_from=snapshot_from)

node_cli/mirage/mirage_node.py

@@ -55,13 +55,12 @@ def restore_mirage(backup_path, env_filepath, config_only=False):
 
 
 @check_inited
-def request_repair(snapshot_from: str | None = None) -> None:
+def request_repair(snapshot_from: str = '') -> None:
     node_type = NodeType.MIRAGE
     env = compose_node_env(SKALE_DIR_ENV_FILEPATH, save=False, node_type=node_type)
     params = get_static_params(node_type, env['ENV_TYPE'])
     record = ChainRecord(params['info']['chain_name'])
     record.set_repair_ts(int(time.time()))
-    if snapshot_from:
-        record.set_snapshot_from(snapshot_from)
+    record.set_snapshot_from(snapshot_from)
 
     print(TEXTS['mirage']['node']['repair']['repair_requested'])