From 6bb56092b8ca170cdf475c69699f2fa9e5ccd4ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jorge=20Tim=C3=B3n?= <jtimon@jtimon.cc>
Date: Fri, 3 Jul 2015 16:11:06 +0200
Subject: [PATCH] Testchains: Don't check the genesis block

Rebased by Pieter Wuille.
Cleanup by Matt Corallo.
---
 src/pow.cpp  | 3 +++
 src/txdb.cpp | 2 +-
 src/txdb.h   | 1 +
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/pow.cpp b/src/pow.cpp
index 1db3b69293..6df9d71d40 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -80,6 +80,9 @@ bool CheckProofOfWork(uint256 hash, unsigned int nBits, const Consensus::Params&
     bool fOverflow;
     arith_uint256 bnTarget;
 
+    if (hash == params.hashGenesisBlock)
+        return true;
+
     bnTarget.SetCompact(nBits, &fNegative, &fOverflow);
 
     // Check range
diff --git a/src/txdb.cpp b/src/txdb.cpp
index 078c29def3..c34e5ee0e4 100644
--- a/src/txdb.cpp
+++ b/src/txdb.cpp
@@ -199,7 +199,7 @@ bool CBlockTreeDB::LoadBlockIndexGuts(boost::function<CBlockIndex*(const uint256
                 pindexNew->nStatus        = diskindex.nStatus;
                 pindexNew->nTx            = diskindex.nTx;
 
-                if (!CheckProofOfWork(pindexNew->GetBlockHash(), pindexNew->nBits, Params().GetConsensus()))
+                if (!CheckProofOfWork(pindexNew->GetBlockHash(), pindexNew->nBits, consensusParams))
                     return error("LoadBlockIndex(): CheckProofOfWork failed: %s", pindexNew->ToString());
 
                 pcursor->Next();
diff --git a/src/txdb.h b/src/txdb.h
index 5b98d2792c..3f11ce6a36 100644
--- a/src/txdb.h
+++ b/src/txdb.h
@@ -20,6 +20,7 @@
 class CBlockIndex;
 class CCoinsViewDBCursor;
 class uint256;
+namespace Consensus { struct Params; }
 
 //! -dbcache default (MiB)
 static const int64_t nDefaultDbCache = 300;