diff --git a/packages/examples/cvat/exchange-oracle/debug.py b/packages/examples/cvat/exchange-oracle/debug.py
index f686fc3eda..f11128dd65 100644
--- a/packages/examples/cvat/exchange-oracle/debug.py
+++ b/packages/examples/cvat/exchange-oracle/debug.py
@@ -66,14 +66,20 @@ def patched_get_escrow(chain_id: int, escrow_address: str) -> EscrowData:
         logger.debug(f"DEV: Local manifests: {format_sequence(minio_manifests)}")
 
         candidate_files = [
-            fn for fn in minio_manifests if PurePosixPath(fn).name == f"{escrow_address}.json"
+            fn
+            for fn in minio_manifests
+            if (
+                "/" in escrow_address
+                and fn == f"{escrow_address}.json"
+                or PurePosixPath(fn).name == f"{escrow_address}.json"
+            )
         ]
         if not candidate_files:
             return original_get_escrow(ChainId(chain_id), escrow_address)
         elif len(candidate_files) != 1:
             raise Exception(
                 "Can't select local manifest to be used for escrow '{}'"
-                " - several manifests math: {}".format(
+                " - several manifests match: {}".format(
                     escrow_address, format_sequence(candidate_files)
                 )
             )
@@ -92,7 +98,7 @@ def patched_get_escrow(chain_id: int, escrow_address: str) -> EscrowData:
             token="HMT",  # noqa: S106
             total_funded_amount=10,
             created_at=datetime.datetime(2023, 1, 1, tzinfo=datetime.timezone.utc),
-            manifest_url=(f"http://{Config.storage_config.endpoint_url}/manifests/{manifest_file}"),
+            manifest=(f"http://{Config.storage_config.endpoint_url}/manifests/{manifest_file}"),
         )
 
         logger.info(f"DEV: Using local manifest '{manifest_file}' for escrow '{escrow_address}'")
diff --git a/packages/examples/cvat/exchange-oracle/src/crons/cvat/state_trackers.py b/packages/examples/cvat/exchange-oracle/src/crons/cvat/state_trackers.py
index 3eb027174a..f841397b45 100644
--- a/packages/examples/cvat/exchange-oracle/src/crons/cvat/state_trackers.py
+++ b/packages/examples/cvat/exchange-oracle/src/crons/cvat/state_trackers.py
@@ -1,5 +1,4 @@
 import logging
-from contextlib import suppress
 
 from sqlalchemy.orm import Session
 
@@ -31,7 +30,7 @@ def process_incoming_cvat_webhooks(logger: logging.Logger, session: Session) ->
 
     for webhook in webhooks:
         try:
-            with session.begin_nested():
+            with session.begin_nested(), db.suppress(db_errors.LockNotAvailable):
                 cvat_webhook_handler(webhook, session)
                 cvat_service.incoming_webhooks.handle_webhook_success(
                     session, webhook_id=webhook.id
@@ -131,10 +130,7 @@ def _reset_job_after_assignment(session: Session, assignment: cvat_models.Assign
         )
 
         for assignment in assignments:
-            with (
-                session.begin_nested(),
-                suppress(db_errors.LockNotAvailable),
-            ):
+            with session.begin_nested(), db.suppress(db_errors.LockNotAvailable):
                 cvat_service.get_jobs_by_cvat_id(
                     session,
                     cvat_ids=[assignment.cvat_job_id],
@@ -161,10 +157,7 @@ def _reset_job_after_assignment(session: Session, assignment: cvat_models.Assign
         )
 
         for assignment in assignments:
-            with (
-                session.begin_nested(),
-                suppress(db_errors.LockNotAvailable),
-            ):
+            with session.begin_nested(), db.suppress(db_errors.LockNotAvailable):
                 cvat_service.get_jobs_by_cvat_id(
                     session,
                     cvat_ids=[assignment.cvat_job_id],
@@ -189,10 +182,7 @@ def _reset_job_after_assignment(session: Session, assignment: cvat_models.Assign
 
         for assignment in assignments:
             if assignment.job.project.status != ProjectStatuses.annotation:
-                with (
-                    session.begin_nested(),
-                    suppress(db_errors.LockNotAvailable),
-                ):
+                with session.begin_nested(), db.suppress(db_errors.LockNotAvailable):
                     cvat_service.get_jobs_by_cvat_id(
                         session,
                         cvat_ids=[assignment.cvat_job_id],
diff --git a/packages/examples/cvat/exchange-oracle/src/db/__init__.py b/packages/examples/cvat/exchange-oracle/src/db/__init__.py
index e1d7018ea4..ba47219043 100644
--- a/packages/examples/cvat/exchange-oracle/src/db/__init__.py
+++ b/packages/examples/cvat/exchange-oracle/src/db/__init__.py
@@ -1,6 +1,5 @@
 from contextlib import contextmanager
 from typing import TYPE_CHECKING, Any, ClassVar, Generic, TypeVar
-from uuid import uuid4
 
 import sqlalchemy
 from psycopg2.errors import Error
diff --git a/packages/examples/cvat/recording-oracle/debug.py b/packages/examples/cvat/recording-oracle/debug.py
index e250c6974e..4a8d40a42c 100644
--- a/packages/examples/cvat/recording-oracle/debug.py
+++ b/packages/examples/cvat/recording-oracle/debug.py
@@ -32,14 +32,20 @@ def patched_get_escrow(chain_id: int, escrow_address: str) -> EscrowData:
         logger.debug(f"DEV: Local manifests: {format_sequence(minio_manifests)}")
 
         candidate_files = [
-            fn for fn in minio_manifests if PurePosixPath(fn).name == f"{escrow_address}.json"
+            fn
+            for fn in minio_manifests
+            if (
+                "/" in escrow_address
+                and fn == f"{escrow_address}.json"
+                or PurePosixPath(fn).name == f"{escrow_address}.json"
+            )
         ]
         if not candidate_files:
             return original_get_escrow(ChainId(chain_id), escrow_address)
         if len(candidate_files) != 1:
             raise Exception(
                 f"Can't select local manifest to be used for escrow '{escrow_address}'"
-                f" - several manifests math: {format_sequence(candidate_files)}"
+                f" - several manifests match: {format_sequence(candidate_files)}"
             )
 
         manifest_file = candidate_files[0]
@@ -56,7 +62,7 @@ def patched_get_escrow(chain_id: int, escrow_address: str) -> EscrowData:
             token="HMT",  # noqa: S106
             total_funded_amount=10,
             created_at=datetime.datetime(2023, 1, 1, tzinfo=datetime.timezone.utc),
-            manifest_url=(f"http://{Config.storage_config.endpoint_url}/manifests/{manifest_file}"),
+            manifest=(f"http://{Config.storage_config.endpoint_url}/manifests/{manifest_file}"),
         )
 
         logger.info(f"DEV: Using local manifest '{manifest_file}' for escrow '{escrow_address}'")