From 143c80789cb67e42569e97aaf4163e8ef10d71c5 Mon Sep 17 00:00:00 2001
From: Evan Duffield <evan@dashpay.io>
Date: Sun, 19 Jul 2015 06:45:35 -0700
Subject: [PATCH] rebuild index when switching chains

---
 src/chain.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/chain.cpp b/src/chain.cpp
index 3d434c6c7..4a98af371 100644
--- a/src/chain.cpp
+++ b/src/chain.cpp
@@ -16,11 +16,18 @@ void CChain::SetTip(CBlockIndex *pindex) {
         vChain.clear();
         return;
     }
+    int nChainSwitch = 0;
     vChain.resize(pindex->nHeight + 1);
     while (pindex && vChain[pindex->nHeight] != pindex) {
         vChain[pindex->nHeight] = pindex;
         pindex = pindex->pprev;
     }
+    
+    //recalculate the coinbase payee cache if needed
+    if(nChainSwitch > 1) {
+        coinbasePayee.BuildIndex(true);
+    }
+
 }
 
 CBlockLocator CChain::GetLocator(const CBlockIndex *pindex) const {