diff --git a/crawlers/mooncrawl/mooncrawl/moonworm_crawler/cli.py b/crawlers/mooncrawl/mooncrawl/moonworm_crawler/cli.py
index 32af00d8..b2cf5a9c 100644
--- a/crawlers/mooncrawl/mooncrawl/moonworm_crawler/cli.py
+++ b/crawlers/mooncrawl/mooncrawl/moonworm_crawler/cli.py
@@ -548,7 +548,10 @@ def handle_historical_crawl_v3(args: argparse.Namespace) -> None:
             f"Initial function call crawl jobs count: {len(initial_function_call_jobs)}"
         )
 
-    customer_connection = get_db_connection(args.customer_uuid)
+    if args.customer_uri is not None:
+        customer_connection = args.customer_uri
+    else:
+        customer_connection = get_db_connection(args.customer_uuid)
 
     if customer_connection == "":
         raise ValueError("No connection string found for the customer")
@@ -1083,6 +1086,13 @@ def main() -> None:
         help="User UUID",
     )
 
+    historical_crawl_parser_v3.add_argument(
+        "--customer-uri",
+        type=str,
+        required=False,
+        help="Customer URI",
+    )
+
     historical_crawl_parser_v3.set_defaults(func=handle_historical_crawl_v3)
 
     args = parser.parse_args()
diff --git a/crawlers/mooncrawl/mooncrawl/moonworm_crawler/db.py b/crawlers/mooncrawl/mooncrawl/moonworm_crawler/db.py
index 05e8f16c..3bb98723 100644
--- a/crawlers/mooncrawl/mooncrawl/moonworm_crawler/db.py
+++ b/crawlers/mooncrawl/mooncrawl/moonworm_crawler/db.py
@@ -1,5 +1,6 @@
 import json
 import logging
+from hexbytes import HexBytes
 from typing import Dict, List, Optional, Union, Any
 
 from moonstreamdb.models import Base
@@ -265,7 +266,9 @@ def add_events_to_session(
                 "block_timestamp": label_event.block_timestamp,
                 "caller_address": None,
                 "origin_address": None,
-                "address": bytes.fromhex(label_event.address[2:]),
+                "address": HexBytes(
+                    label_event.address
+                ),  # transform to \x00 format on insert
                 "label_name": label_event.label_name,
                 "label_type": "event",
                 "label_data": label_event.label_data,
@@ -355,9 +358,11 @@ def add_function_calls_to_session(
                 "block_number": label_function_call.block_number,
                 "block_hash": label_function_call.block_hash,
                 "block_timestamp": label_function_call.block_timestamp,
-                "caller_address": bytes.fromhex(label_function_call.caller_address[2:]),
-                "origin_address": bytes.fromhex(label_function_call.caller_address[2:]),
-                "address": bytes.fromhex(label_function_call.address[2:]),
+                "caller_address": HexBytes(label_function_call.caller_address),
+                "origin_address": HexBytes(label_function_call.caller_address),
+                "address": HexBytes(
+                    label_function_call.address
+                ),  # transform to \x00 format on insert
                 "label_name": label_function_call.label_name,
                 "label_type": "tx_call",
                 "label_data": label_function_call.label_data,