From 74aa8bb911695d43689aca11ff4ab8de6a56aa02 Mon Sep 17 00:00:00 2001
From: Florin Chirica <fchirica96@gmail.com>
Date: Thu, 6 Feb 2025 17:41:49 +0200
Subject: [PATCH] Debug.

---
 src/vdf.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/vdf.h b/src/vdf.h
index 2ec5be38..e6b4b475 100644
--- a/src/vdf.h
+++ b/src/vdf.h
@@ -655,6 +655,9 @@ class ProverManager {
                         /*x=*/weso->checkpoints[last_appended[i] / (1 << 16)],
                         /*y=*/weso->checkpoints[(last_appended[i] + sg_length) / (1 << 16)]
                     );
+                    if (sg.y.a == integer(0) && sg.y.b == integer(0) && sg.y.c == integer(0)) {
+                        throw std::runtime_error("Null form");
+                    }
                     pending_segments[i].emplace_back(sg);
                     if (!warned && pending_segments[i].size() >= kWindowSize - 2) {
                         warned = true;