From ed12d5df1ba52b5ef3dd3799de26bb5e1d3fc654 Mon Sep 17 00:00:00 2001
From: Jim Posen <jim.posen@gmail.com>
Date: Mon, 27 Aug 2018 12:28:35 -0700
Subject: index: Fix for indexers skipping genesis block.

---
 src/index/base.cpp    | 6 +++++-
 src/index/txindex.cpp | 3 +++
 2 files changed, 8 insertions(+), 1 deletion(-)

(limited to 'src/index')

diff --git a/src/index/base.cpp b/src/index/base.cpp
index 788f7adccd..3cf2a89a2d 100644
--- a/src/index/base.cpp
+++ b/src/index/base.cpp
@@ -60,7 +60,11 @@ bool BaseIndex::Init()
     }
 
     LOCK(cs_main);
-    m_best_block_index = FindForkInGlobalIndex(chainActive, locator);
+    if (locator.IsNull()) {
+        m_best_block_index = nullptr;
+    } else {
+        m_best_block_index = FindForkInGlobalIndex(chainActive, locator);
+    }
     m_synced = m_best_block_index.load() == chainActive.Tip();
     return true;
 }
diff --git a/src/index/txindex.cpp b/src/index/txindex.cpp
index c85030e18e..224004ce1c 100644
--- a/src/index/txindex.cpp
+++ b/src/index/txindex.cpp
@@ -245,6 +245,9 @@ bool TxIndex::Init()
 
 bool TxIndex::WriteBlock(const CBlock& block, const CBlockIndex* pindex)
 {
+    // Exclude genesis block transaction because outputs are not spendable.
+    if (pindex->nHeight == 0) return true;
+
     CDiskTxPos pos(pindex->GetBlockPos(), GetSizeOfCompactSize(block.vtx.size()));
     std::vector<std::pair<uint256, CDiskTxPos>> vPos;
     vPos.reserve(block.vtx.size());
-- 
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