From 61c01706cd1d38023facea7f25bc1d84980f8c43 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pavel=20Jan=C3=ADk?= <Pavel@Janik.cz>
Date: Tue, 26 Apr 2016 22:22:59 +0200
Subject: [PATCH] Log invalid block hash to make debugging easier.

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

diff --git a/src/main.cpp b/src/main.cpp
index f6a89fa2e..a8f8e6fa5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3371,7 +3371,7 @@ static bool AcceptBlockHeader(const CBlockHeader& block, CValidationState& state
             if (ppindex)
                 *ppindex = pindex;
             if (pindex->nStatus & BLOCK_FAILED_MASK)
-                return state.Invalid(error("%s: block is marked invalid", __func__), 0, "duplicate");
+                return state.Invalid(error("%s: block %s is marked invalid", __func__, hash.ToString()), 0, "duplicate");
             return true;
         }