From 9098d0c11f43f5a277771abb52b7cc7d63eac191 Mon Sep 17 00:00:00 2001
From: danielSanchezQ <3danimanimal@gmail.com>
Date: Thu, 10 Jul 2025 14:35:30 +0000
Subject: [PATCH] Raise error on too small network

---
 da/assignations/refill.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/da/assignations/refill.py b/da/assignations/refill.py
index 1b59769..4e79d91 100644
--- a/da/assignations/refill.py
+++ b/da/assignations/refill.py
@@ -134,6 +134,8 @@ def calculate_subnetwork_assignations(
         replication_factor: int,
         random_seed: bytes,
 ) -> Assignations:
+    if len(new_nodes_list) < replication_factor:
+        raise ValueError("The network size is smaller than the replication factor")
     # The algorithm works as follows:
     # 1. Remove nodes that are not active from the previous subnetworks assignations
     # 2. If the network is decreasing (less available nodes than previous nodes), balance subnetworks: