From 9858c733c641f97b9905f073788b31edc98f8b70 Mon Sep 17 00:00:00 2001
From: RickiNano <81099017+RickiNano@users.noreply.github.com>
Date: Sat, 2 Nov 2024 19:44:05 +0100
Subject: [PATCH] Exit migration if existing rocksdb ledger found

---
 nano/secure/ledger.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/nano/secure/ledger.cpp b/nano/secure/ledger.cpp
index 4533eddccd..000855d77f 100644
--- a/nano/secure/ledger.cpp
+++ b/nano/secure/ledger.cpp
@@ -1280,7 +1280,12 @@ bool nano::ledger::migrate_lmdb_to_rocksdb (std::filesystem::path const & data_p
 	boost::system::error_code error_chmod;
 	nano::set_secure_perm_directory (data_path_a, error_chmod);
 	auto rockdb_data_path = data_path_a / "rocksdb";
-	std::filesystem::remove_all (rockdb_data_path);
+
+	if (std::filesystem::exists (rockdb_data_path))
+	{
+		logger.error (nano::log::type::ledger, "Existing Rocksdb folder found in '{}'. Please remove it and try again.", rockdb_data_path.string ());
+		return true;
+	}
 
 	auto error (false);