From a7444a2bc92443c788d385b31bacf179e0d15811 Mon Sep 17 00:00:00 2001
From: t1amak <tiamaczek@gmail.com>
Date: Wed, 18 Mar 2026 21:29:01 +0100
Subject: [PATCH] Handle zero-premine genesis separately from emission

---
 src/cryptonote_core/blockchain.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index 8eacb87..3380dbf 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -1532,6 +1532,14 @@ bool Blockchain::validate_miner_transaction(const block& b, size_t cumulative_bl
   }
   partial_block_reward = false;
 
+  if (height == 0)
+  {
+    base_reward = PREMINE_AMOUNT;
+    CHECK_AND_ASSERT_MES(b.miner_tx.amount_burnt == 0, false, "genesis miner transaction must not burn funds");
+    CHECK_AND_ASSERT_MES(money_in_use == PREMINE_AMOUNT, false, "genesis miner transaction has incorrect amount");
+    return true;
+  }
+
   switch (version) {
   case HF_VERSION_BULLETPROOF_PLUS:
   case HF_VERSION_ENABLE_N_OUTS: