fix: versioning issues caused by the web3 library

Author: 0x0elliot

backend/api_app/monitoring/tasks.py

@@ -142,7 +142,7 @@ def monitor_contract(self, monitoring_task_id):
     logger.info(f"[DEBUG] the chain URL is: {rpc_url}")
 
     w3 = Web3(Web3.WebsocketProvider(rpc_url))
-    w3.middleware_onion.inject(geth_poa_middleware, layer=0)
+    w3.middleware_stack.inject(geth_poa_middleware, layer=0)
 
     # if network_id != int(w3.net.version):
     #     raise ValueError("Connected to the wrong Ethereum network")

requirements/run-requirements.txt

@@ -25,6 +25,6 @@ redis
 django-jsonfield
 django-celery-beat
 scipy
-web3
+web3==4.4.1
 drf-spectacular
 websocket-client==1.5.1