From 6553f6bd77208ed9e1e60e677a795b86c2a1d696 Mon Sep 17 00:00:00 2001
From: derekpierre <derek.pierre@gmail.com>
Date: Sun, 29 Dec 2024 20:42:41 -0500
Subject: [PATCH] Ensure that result field is present in JSON RPC response
 before processing.

---
 nucypher/policy/conditions/json/rpc.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/nucypher/policy/conditions/json/rpc.py b/nucypher/policy/conditions/json/rpc.py
index e4187c295..c4f690828 100644
--- a/nucypher/policy/conditions/json/rpc.py
+++ b/nucypher/policy/conditions/json/rpc.py
@@ -64,14 +64,18 @@ class BaseJsonRPCCall(JsonRequestCall, ABC):
         data = self._fetch(endpoint, **context)
 
         # response contains a value for either "result" or "error"
-        error = data.get("error", None)
+        error = data.get("error")
         if error:
             raise JsonRequestException(
                 f"JSON RPC Request failed with error in response: code={error['code']}, msg={error['message']}"
             )
 
         # obtain result first then perform query
-        result = data["result"]
+        result = data.get("result")
+        if not result:
+            raise JsonRequestException(
+                f"Malformed JSON RPC response, no 'result' field - data={data}"
+            )
         query_result = self._query_response(result, **context)
         return query_result