From d831937f12fd59f98cdab2401ec15237b19d6a92 Mon Sep 17 00:00:00 2001
From: Colin LeMahieu <clemahieu@gmail.com>
Date: Mon, 16 Sep 2024 13:27:52 +0100
Subject: [PATCH] Extract function to create a random filename.

---
 nano/secure/utility.cpp | 8 ++++++--
 nano/secure/utility.hpp | 2 ++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/nano/secure/utility.cpp b/nano/secure/utility.cpp
index ac974d9f5..a2dabd5e3 100644
--- a/nano/secure/utility.cpp
+++ b/nano/secure/utility.cpp
@@ -47,7 +47,7 @@ std::filesystem::path nano::working_path (nano::networks network)
 	return result;
 }
 
-std::filesystem::path nano::unique_path (nano::networks network)
+std::filesystem::path nano::random_filename ()
 {
 	std::random_device rd;
 	std::mt19937 gen (rd ());
@@ -61,8 +61,12 @@ std::filesystem::path nano::unique_path (nano::networks network)
 	{
 		random_string += hex_chars[dis (gen)];
 	}
+	return std::filesystem::path{ random_string };
+}
 
-	auto result = working_path (network) / random_string;
+std::filesystem::path nano::unique_path (nano::networks network)
+{
+	auto result = working_path (network) / random_filename ();
 
 	std::filesystem::create_directories (result);
 
diff --git a/nano/secure/utility.hpp b/nano/secure/utility.hpp
index abb70df84..90953eea0 100644
--- a/nano/secure/utility.hpp
+++ b/nano/secure/utility.hpp
@@ -9,6 +9,8 @@ namespace nano
 std::filesystem::path app_path ();
 // OS-specific way of finding a path to a home directory.
 std::filesystem::path working_path (nano::networks network = nano::network_constants::active_network);
+// Construct a random filename
+std::filesystem::path random_filename ();
 // Get a unique path within the home directory, used for testing.
 // Any directories created at this location will be removed when a test finishes.
 std::filesystem::path unique_path (nano::networks network = nano::network_constants::active_network);