From 8ee93080ccd7ab80f6d57f7d7384c1b53d197cc9 Mon Sep 17 00:00:00 2001
From: jl777 <mac@MacBook-Pro-Vladimir.local>
Date: Mon, 6 Mar 2017 09:50:03 +0200
Subject: [PATCH] support Undo KOMODO_LASTMINED

---
 src/komodo.h         | 1 +
 src/komodo_events.h  | 6 ++++++
 src/komodo_globals.h | 4 ++--
 src/miner.cpp        | 5 +++--
 4 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/komodo.h b/src/komodo.h
index 27e8a53e4..f8df740c0 100644
--- a/src/komodo.h
+++ b/src/komodo.h
@@ -338,6 +338,7 @@ int32_t komodo_voutupdate(int32_t *isratificationp,int32_t notaryid,uint8_t *scr
         if ( i == 0 && j == 0 && memcmp(NOTARY_PUBKEY33,scriptbuf+1,33) == 0 )
         {
             printf("%s KOMODO_LASTMINED.%d -> %d\n",ASSETCHAINS_SYMBOL,KOMODO_LASTMINED,height);
+            prevKOMODO_LASTMINED = KOMODO_LASTMINED;
             KOMODO_LASTMINED = height;
         }
         decode_hex(crypto777,33,(char *)CRYPTO777_PUBSECPSTR);
diff --git a/src/komodo_events.h b/src/komodo_events.h
index 14a9478af..2652aaa58 100644
--- a/src/komodo_events.h
+++ b/src/komodo_events.h
@@ -116,6 +116,12 @@ void komodo_event_rewind(struct komodo_state *sp,char *symbol,int32_t height)
     struct komodo_event *ep;
     if ( sp != 0 )
     {
+        if ( ASSETCHAINS_SYMBOL[0] == 0 && height <= KOMODO_LASTMINED && prevKOMODO_LASTMINED != 0 )
+        {
+            printf("undo KOMODO_LASTMINED %d <- %d\n",KOMODO_LASTMINED,prevKOMODO_LASTMINED);
+            KOMODO_LASTMINED = prevKOMODO_LASTMINED;
+            prevKOMODO_LASTMINED = 0;
+        }
         while ( sp->Komodo_events != 0 && sp->Komodo_numevents > 0 )
         {
             if ( (ep= sp->Komodo_events[sp->Komodo_numevents-1]) != 0 )
diff --git a/src/komodo_globals.h b/src/komodo_globals.h
index 1faf91a26..55b54ddf8 100644
--- a/src/komodo_globals.h
+++ b/src/komodo_globals.h
@@ -40,7 +40,7 @@ struct komodo_state KOMODO_STATES[34];
 int COINBASE_MATURITY = _COINBASE_MATURITY;//100;
 
 int32_t IS_KOMODO_NOTARY,KOMODO_REWIND,USE_EXTERNAL_PUBKEY,KOMODO_CHOSEN_ONE,ASSETCHAINS_SEED,KOMODO_ON_DEMAND,KOMODO_EXTERNAL_NOTARIES,KOMODO_PASSPORT_INITDONE,KOMODO_PAX,KOMODO_EXCHANGEWALLET;
-int32_t KOMODO_LASTMINED;
+int32_t KOMODO_LASTMINED,prevKOMODO_LASTMINED;
 std::string NOTARY_PUBKEY,ASSETCHAINS_NOTARIES;
 uint8_t NOTARY_PUBKEY33[33];
 
@@ -55,4 +55,4 @@ char KMDUSERPASS[4096],BTCUSERPASS[4096]; uint16_t BITCOIND_PORT = 7771;
 uint64_t PENDING_KOMODO_TX;
 
 struct komodo_kv *KOMODO_KV;
-pthread_mutex_t KOMODO_KV_mutex;
\ No newline at end of file
+pthread_mutex_t KOMODO_KV_mutex;
diff --git a/src/miner.cpp b/src/miner.cpp
index 6dc5ec03b..0fe7c46f4 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -522,7 +522,7 @@ static bool ProcessBlockFound(CBlock* pblock, CWallet& wallet, CReserveKey& rese
 
 int32_t komodo_baseid(char *origbase);
 int32_t komodo_eligiblenotary(uint8_t pubkeys[66][33],int32_t *mids,int32_t *nonzpkeysp,int32_t height);
-int32_t FOUND_BLOCK;
+int32_t FOUND_BLOCK,KOMODO_MAYBEMINED;
 extern int32_t KOMODO_LASTMINED;
 
 void static BitcoinMiner(CWallet *pwallet)
@@ -667,7 +667,7 @@ void static BitcoinMiner(CWallet *pwallet)
                             if ( mids[j] == notaryid )
                                 break;
                     } else fprintf(stderr,"no nonz pubkeys\n");
-                    if ( j == 65 && Mining_height > KOMODO_LASTMINED+64 )
+                    if ( j == 65 && Mining_height > KOMODO_MAYBEMINED+3 && Mining_height > KOMODO_LASTMINED+64 )
                     {
                         hashTarget = arith_uint256().SetCompact(KOMODO_MINDIFF_NBITS);
                         fprintf(stderr,"I am the chosen one for %s ht.%d\n",ASSETCHAINS_SYMBOL,pindexPrev->nHeight+1);
@@ -792,6 +792,7 @@ void static BitcoinMiner(CWallet *pwallet)
                                 fprintf(stderr,"%02x",((uint8_t *)&hash)[i]);
                             fprintf(stderr," <- %s Block found %d\n",ASSETCHAINS_SYMBOL,Mining_height);
                             FOUND_BLOCK = 1;
+                            KOMODO_MAYBEMINED = Mining_height;
                             break;
                         }
                     } catch (EhSolverCancelledException&) {