From ba4c86066b0c2ebab14b364300c565efde30b461 Mon Sep 17 00:00:00 2001
From: KPrasch <kieranprasch@gmail.com>
Date: Fri, 26 Jan 2024 15:03:35 +0100
Subject: [PATCH] removes bulk data downloading interface from coordinator
 agent

---
 nucypher/blockchain/eth/agents.py | 22 +++-------------------
 1 file changed, 3 insertions(+), 19 deletions(-)

diff --git a/nucypher/blockchain/eth/agents.py b/nucypher/blockchain/eth/agents.py
index 143fb759f..d533c113c 100644
--- a/nucypher/blockchain/eth/agents.py
+++ b/nucypher/blockchain/eth/agents.py
@@ -785,25 +785,9 @@ class CoordinatorAgent(EthereumContractAgent):
         return result
 
     @contract_api(CONTRACT_CALL)
-    def get_participants(
-        self, ritual_id: int, start: Optional[int] = None, end: Optional[int] = None
-    ) -> List[Ritual.Participant]:
-        params = (ritual_id,)
-        start = start or 0
-        if start and end:
-            params += (start, end)
-        result = self.contract.functions.getParticipants(*params).call()
-        participants = list()
-        for index, r in enumerate(result, start=start):
-            participant = self.Ritual.Participant(
-                index=index,
-                provider=ChecksumAddress(r[0]),
-                aggregated=r[1],
-                transcript=bytes(r[2]),
-                decryption_request_static_key=bytes(r[3]),
-            )
-            participants.append(participant)
-        return participants
+    def is_participant(self, ritual_id: int, provider: ChecksumAddress) -> bool:
+        result = self.contract.functions.isParticipant(ritual_id, provider).call()
+        return result
 
     @contract_api(CONTRACT_CALL)
     def get_participant_providers(self, ritual_id: int) -> List[ChecksumAddress]: