From c521bc1ecf8438e9e2c1e3948c11173d1c909224 Mon Sep 17 00:00:00 2001
From: jl777 <jameslee777@yahoo.com>
Date: Mon, 16 Apr 2018 16:44:21 +0300
Subject: [PATCH] Allow genesis block to have low version

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

diff --git a/src/main.cpp b/src/main.cpp
index 265bd754a..d0f249da7 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3505,7 +3505,7 @@ bool CheckBlockHeader(int32_t height,CBlockIndex *pindex, const CBlockHeader& bl
         return state.Invalid(error("CheckBlockHeader(): block timestamp needs to always increase"),REJECT_INVALID, "time-too-new");
     }
     // Check block version
-    if (blockhdr.nVersion < MIN_BLOCK_VERSION)
+    if (height > 0 && blockhdr.nVersion < MIN_BLOCK_VERSION)
     {
         fprintf(stderr,"nVersion.%d vs min %d\n",blockhdr.nVersion,MIN_BLOCK_VERSION);
         return state.DoS(100, error("CheckBlockHeader(): block version too low"),REJECT_INVALID, "version-too-low");