From 4eaabd153ada1b2dec7c6e1c1fc4df2020a9156f Mon Sep 17 00:00:00 2001
From: Alberto Soutullo <alberto.soutullo639@gmail.com>
Date: Fri, 26 Sep 2025 20:56:50 +0200
Subject: [PATCH] Send one-to-one (#24)

* Add inject_messages_one_to_one

* Add send_one_to_one_message scenario
---
 src/benchmark_scenarios/private_chats.py | 26 ++++++++++++++++++++++++
 src/inject_messages.py                   | 20 ++++++++++++++++++
 src/wakuext_service.py                   | 20 ++++++++++++++++++
 3 files changed, 66 insertions(+)

diff --git a/src/benchmark_scenarios/private_chats.py b/src/benchmark_scenarios/private_chats.py
index 2ac6ea5..5fab782 100644
--- a/src/benchmark_scenarios/private_chats.py
+++ b/src/benchmark_scenarios/private_chats.py
@@ -6,6 +6,7 @@ import random
 # Project Imports
 import src.logger
 from src import kube_utils, setup_status
+from src.inject_messages import inject_messages_one_to_one
 from src.setup_status import initialize_nodes_application, send_friend_requests, accept_friend_requests, \
     decline_friend_requests
 
@@ -103,3 +104,28 @@ async def contact_request():
     await asyncio.gather(*[node.shutdown() for node in relay_nodes.values()],
                          *[node.shutdown() for node in light_nodes.values()])
     logger.info("Finished contact_request")
+
+
+async def send_one_to_one_message():
+    # 50 sending nodes
+    # 50 receiving nodes
+    # 50 idle nodes
+    # Each sending node has sent a contact request to a receiving node, that accepted it
+    # -> Sending nodes send one text message per 10 sec
+    kube_utils.setup_kubernetes_client()
+    backend_relay_pods = kube_utils.get_pods("status-backend-relay", "status-go-test")
+    relay_nodes = await initialize_nodes_application(backend_relay_pods)
+
+    backend_relay_pods = [pod_name.split(".")[0] for pod_name in backend_relay_pods]
+
+    senders = backend_relay_pods[:50]
+    receiving = backend_relay_pods[50:100]
+
+    friend_requests = await send_friend_requests(relay_nodes, senders, receiving)
+    _ = await accept_friend_requests(relay_nodes, friend_requests)
+
+    await asyncio.gather(*[inject_messages_one_to_one(relay_nodes[senders[i]], 10, relay_nodes[receiving[i]].public_key, 60) for i in range(50)])
+
+    logger.info("Shutting down node connections")
+    await asyncio.gather(*[node.shutdown() for node in relay_nodes.values()])
+    logger.info("Finished send_one_to_one_message")
diff --git a/src/inject_messages.py b/src/inject_messages.py
index d108c6f..4f59134 100644
--- a/src/inject_messages.py
+++ b/src/inject_messages.py
@@ -25,3 +25,23 @@ async def inject_messages(pod: StatusBackend, delay_between_message: float, chat
             await asyncio.sleep(1)
 
     logger.info(f"Finished sending {num_messages} messages")
+
+# TODO merge in same function
+async def inject_messages_one_to_one(pod: StatusBackend, delay_between_message: float, contact_id: str, num_messages: int):
+    for message_count in range(num_messages):
+        try:
+            logger.debug(f"Sending message {message_count}")
+            await pod.wakuext_service.send_one_to_one_message(contact_id, f"Message {message_count}")
+
+            if message_count == 0:
+                logger.info(f"Successfully began sending {num_messages} messages")
+            elif message_count % 10 == 0:
+                logger.debug(f"Sent {message_count} messages")
+
+            await asyncio.sleep(delay_between_message)
+
+        except AssertionError as e:
+            logger.error(f"Error sending message: {e}")
+            await asyncio.sleep(1)
+
+    logger.info(f"Finished sending {num_messages} messages")
diff --git a/src/wakuext_service.py b/src/wakuext_service.py
index ed002cc..39cbfa4 100644
--- a/src/wakuext_service.py
+++ b/src/wakuext_service.py
@@ -64,3 +64,23 @@ class WakuextAsyncService(AsyncService):
         params = [{"id": request_id}]
         json_response = await self.rpc_request("declineContactRequest", params)
         return json_response
+
+    async def send_one_to_one_message(self, contact_id: str, message: str):
+        params = [{"id": contact_id, "message": message}]
+        json_response = await self.rpc_request("sendOneToOneMessage", params)
+        return json_response
+
+    async def create_group_chat_with_members(self, pubkey_list: list, group_chat_name: str):
+        params = [None, group_chat_name, pubkey_list]
+        json_response = await self.rpc_request("createGroupChatWithMembers", params)
+        return json_response
+
+    async def send_group_chat_message(self, group_id: str, message: str):
+        params = [{"id": group_id, "message": message}]
+        json_response = await self.rpc_request("sendGroupChatMessage", params)
+        return json_response
+
+    async def add_contact(self, contact_id: str, displayName: str):
+        params = [{"id": contact_id, "nickname": "fake_nickname", "displayName": displayName, "ensName": ""}]
+        json_response = await self.rpc_request("addContact", params)
+        return json_response