From 2c8d6b22461fda9b4de1f7f1f05a968a713e5c9e Mon Sep 17 00:00:00 2001
From: jl777 <jameslee777@yahoo.com>
Date: Sun, 15 Apr 2018 20:06:30 +0300
Subject: [PATCH] One shot rewind

---
 src/main.cpp  | 4 +++-
 src/version.h | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main.cpp b/src/main.cpp
index 4c4038516..c7f500fa1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3522,8 +3522,9 @@ int32_t komodo_check_deposit(int32_t height,const CBlock& block,uint32_t prevtim
 
 int32_t komodo_reverify_blockcheck(CValidationState& state,int32_t height,CBlockIndex *pindex)
 {
+    static int32_t oneshot;
     CBlockIndex *tipindex; int32_t rewindtarget;
-    if ( IsInitialBlockDownload() == 0 && (tipindex= chainActive.Tip()) != 0 )
+    if ( oneshot == 0 && IsInitialBlockDownload() == 0 && (tipindex= chainActive.Tip()) != 0 )
     {
         // if 200 blocks behind longestchain and no blocks for 2 hours
         if ( KOMODO_LONGESTCHAIN > height+200 )
@@ -3533,6 +3534,7 @@ int32_t komodo_reverify_blockcheck(CValidationState& state,int32_t height,CBlock
                 fprintf(stderr,"tip.%d longest.%d newblock.%d lag.%d blocktime.%u\n",tipindex->nHeight,KOMODO_LONGESTCHAIN,height,(int32_t)(GetAdjustedTime() - tipindex->nTime),tipindex->nTime);
                 rewindtarget = tipindex->nHeight - 11;
                 fprintf(stderr,"rewindtarget <- %d\n",rewindtarget);
+                oneshot = 1;
                 while ( rewindtarget > 0 && (tipindex= chainActive.Tip()) != 0 && tipindex->nHeight > rewindtarget )
                 {
                     fprintf(stderr,"%d ",(int32_t)tipindex->nHeight);
diff --git a/src/version.h b/src/version.h
index 25527895d..0a12fe8cb 100644
--- a/src/version.h
+++ b/src/version.h
@@ -31,3 +31,5 @@ static const int BIP0031_VERSION = 60000;
 static const int MEMPOOL_GD_VERSION = 60002;
 
 #endif // BITCOIN_VERSION_H
+
+