Fix registry root changed error (#38)

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "v3-operator"
-version = "0.1.3"
+version = "0.1.4"
 description = "StakeWise operator service for registering vault validators"
 authors = ["StakeWise Labs <info@stakewise.io>"]
 

src/main.py

@@ -21,7 +21,7 @@
 from src.validators.database import setup as validators_db_setup
 from src.validators.execution import NetworkValidatorsProcessor
 from src.validators.tasks import load_genesis_validators, register_validators
-from src.validators.utils import load_deposit_data, load_keystores
+from src.validators.utils import load_deposit_data, load_keystores, REGISTRY_ROOT_CHANGED_ERROR
 
 logging.basicConfig(
     format='%(asctime)s %(levelname)-8s %(message)s',
@@ -83,7 +83,14 @@ async def main() -> None:
             # check and register new validators
             await register_validators(keystores, deposit_data)
         except Exception as e:
-            logger.exception(e)
+            if (
+                isinstance(e, ValueError)
+                and len(e.args)
+                and e.args[0] == REGISTRY_ROOT_CHANGED_ERROR
+            ):
+                logger.warning(REGISTRY_ROOT_CHANGED_ERROR)
+            else:
+                logger.exception(e)
 
         block_processing_time = time.time() - start_time
         sleep_time = max(int(NETWORK_CONFIG.SECONDS_PER_BLOCK) - int(block_processing_time), 0)

src/validators/utils.py

@@ -44,6 +44,8 @@
 
 logger = logging.getLogger(__name__)
 
+REGISTRY_ROOT_CHANGED_ERROR = 'Validators registry root has changed'
+
 
 class KeystoreException(Exception):
     ...
@@ -89,7 +91,7 @@ async def send_approval_request(
     except ClientError as e:
         registry_root = await get_validators_registry_root()
         if Web3.to_hex(registry_root) != payload['validators_root']:
-            raise ValueError('Validators registry root has changed') from e
+            raise ValueError(REGISTRY_ROOT_CHANGED_ERROR) from e
 
         latest_public_keys = await get_latest_network_validator_public_keys()
         validator_index = get_next_validator_index(list(latest_public_keys))