From 67d11ced309ec854cdb974e5c66648ab9d7a2e61 Mon Sep 17 00:00:00 2001
From: Doug Hoyte <doug@hcsw.org>
Date: Tue, 7 Feb 2023 08:19:13 -0500
Subject: [PATCH] output DB version in info command

---
 src/cmd_info.cpp     | 13 +++++++++++++
 src/constants.h      |  1 +
 src/onAppStartup.cpp |  3 ++-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/cmd_info.cpp b/src/cmd_info.cpp
index 835e22b..df9b9cd 100644
--- a/src/cmd_info.cpp
+++ b/src/cmd_info.cpp
@@ -23,5 +23,18 @@ void cmd_info(const std::vector<std::string> &subArgs) {
 
     auto txn = env.txn_ro();
 
+    uint64_t dbVersion;
+
+    {
+        auto s = env.lookup_Meta(txn, 1);
+
+        if (s) {
+            dbVersion = s->dbVersion();
+        } else {
+            dbVersion = 0;
+        }
+    }
+
+    std::cout << "DB version: " << dbVersion << "\n";
     std::cout << "merkle root: " << to_hex(qdb.root(txn)) << "\n";
 }
diff --git a/src/constants.h b/src/constants.h
index 831e58f..6cd8bca 100644
--- a/src/constants.h
+++ b/src/constants.h
@@ -1,4 +1,5 @@
 #pragma once
 
+const uint64_t CURR_DB_VERSION = 1;
 const size_t MAX_SUBID_SIZE = 71; // Statically allocated size in SubId
 const uint64_t MAX_TIMESTAMP = 17179869184; // Safety limit to ensure it can fit in quadrable key. Good until year 2514.
diff --git a/src/onAppStartup.cpp b/src/onAppStartup.cpp
index 26e810d..a5cc4f6 100644
--- a/src/onAppStartup.cpp
+++ b/src/onAppStartup.cpp
@@ -5,7 +5,8 @@
 
 #include "golpe.h"
 
-const size_t CURR_DB_VERSION = 1;
+#include "constants.h"
+
 
 static void dbCheck(lmdb::txn &txn, const std::string &cmd) {
     auto dbTooOld = [&](uint64_t ver) {