From 7a1b710b81ec64e1066e2b6723604f55fc01db6f Mon Sep 17 00:00:00 2001
From: wowario <wowario@protonmail.com>
Date: Tue, 31 Jan 2023 01:39:15 +0300
Subject: [PATCH] initialize genesis block

---
 src/blockchain_db/lmdb/db_lmdb.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index 938fc306c..b9478dd3f 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -824,7 +824,7 @@ void BlockchainLMDB::add_block(const block& blk, size_t block_weight, uint64_t l
   bi.bi_diff_lo = (cumulative_difficulty & 0xffffffffffffffff).convert_to<uint64_t>();
   bi.bi_hash = blk_hash;
   bi.bi_cum_rct = num_rct_outs;
-  if (blk.major_version >= 4)
+  if (m_height > 0 && blk.major_version >= 4)
   {
     uint64_t last_height = m_height-1;
     MDB_val_set(h, last_height);