From 7cdc24096440d4b870e943ef1cc6a76444365f12 Mon Sep 17 00:00:00 2001
From: jl777 <jameslee777@yahoo.com>
Date: Tue, 2 Apr 2019 02:13:20 -1100
Subject: [PATCH] Reverse

---
 src/komodo_gateway.h   | 14 +++++++++-----
 src/rpc/blockchain.cpp | 12 ++++++------
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/src/komodo_gateway.h b/src/komodo_gateway.h
index bbad94c51..293b57367 100644
--- a/src/komodo_gateway.h
+++ b/src/komodo_gateway.h
@@ -1576,9 +1576,11 @@ void komodo_PriceCache_shift()
 }
 
 // komodo_heightpricebits() extracts the price data in the coinbase for nHeight
-int32_t komodo_heightpricebits(uint32_t *heightbits,int32_t nHeight)
+int32_t komodo_heightpricebits(uint64_t *seedp,uint32_t *heightbits,int32_t nHeight)
 {
     CBlockIndex *pindex; CBlock block; CTransaction tx; int32_t numvouts; std::vector<uint8_t> vopret;
+    if ( seedp != 0 )
+        *seedp = 0;
     if ( (pindex= komodo_chainactive(nHeight)) != 0 )
     {
         if ( komodo_blockload(block,pindex) == 0 )
@@ -1588,6 +1590,8 @@ int32_t komodo_heightpricebits(uint32_t *heightbits,int32_t nHeight)
             GetOpReturnData(tx.vout[numvouts-1].scriptPubKey,vopret);
             if ( vopret.size() >= PRICES_SIZEBIT0 )
             {
+                if ( seedp != 0 )
+                    memcpy(seedp,&pindex->hashMerkleRoot,sizeof(*seedp));
                 memcpy(heightbits,vopret.data(),vopret.size());
                 return((int32_t)(vopret.size()/sizeof(uint32_t)));
             }
@@ -1682,7 +1686,7 @@ CScript komodo_mineropret(int32_t nHeight)
             if ( numzero != 0 )
                 fprintf(stderr,"numzero.%d\n",numzero);
         }
-        if ( komodo_heightpricebits(prevbits,nHeight-1) > 0 )
+        if ( komodo_heightpricebits(0,prevbits,nHeight-1) > 0 )
         {
             memcpy(pricebits,Mineropret.data(),Mineropret.size());
             memset(maxflags,0,sizeof(maxflags));
@@ -1757,7 +1761,7 @@ int32_t komodo_opretvalidate(const CBlock *block,CBlockIndex * const previndex,i
                 btcgbp = (double)pricebits[2]/10000;
                 btceur = (double)pricebits[3]/10000;
                 fprintf(stderr,"ht.%d: lag.%d %.4f USD, %.4f GBP, %.4f EUR, GBPUSD %.6f, EURUSD %.6f, EURGBP %.6f [%d]\n",nHeight,lag,btcusd,btcgbp,btceur,btcusd/btcgbp,btcusd/btceur,btcgbp/btceur,lag2);
-                if ( komodo_heightpricebits(prevbits,nHeight-1) > 0 )
+                if ( komodo_heightpricebits(0,prevbits,nHeight-1) > 0 )
                 {
                     if ( nHeight < testchain_exemption )
                     {
@@ -2228,14 +2232,14 @@ int64_t komodo_pricesmoothed(int64_t *correlated,int32_t numprices)
     return(correlated[0]);
 }
 
-int64_t komodo_pricecorrelated(int32_t ind,uint32_t *rawprices,int32_t numprices)
+int64_t komodo_pricecorrelated(uint64_t seed,int32_t ind,uint32_t *rawprices,int32_t numprices)
 {
     int32_t i; int64_t price,sum = 0;
     for (i=0; i<numprices; i++)
     {
         if ( (price= rawprices[i]) == 0 )
             return(0);
-        if ( ind >= 36 )
+        if ( ind < 36 )
             price *= 10000;
         sum += price;
     }
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index eab787f17..1cfcf4eb7 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -1174,10 +1174,10 @@ UniValue paxprice(const UniValue& params, bool fHelp)
     return ret;
 }
 
-int32_t komodo_heightpricebits(uint32_t *heightbits,int32_t nHeight);
+int32_t komodo_heightpricebits(uint64_t *seedp,uint32_t *heightbits,int32_t nHeight);
 char *komodo_pricename(char *name,int32_t ind);
 int64_t komodo_pricesmoothed(int64_t *correlated,int32_t numprices);
-int64_t komodo_pricecorrelated(int32_t ind,uint32_t *rawprices,int32_t numprices);
+int64_t komodo_pricecorrelated(uint64_t seed,int32_t ind,uint32_t *rawprices,int32_t numprices);
 int32_t komodo_nextheight();
 uint32_t komodo_heightstamp(int32_t height);
 
@@ -1186,7 +1186,7 @@ UniValue prices(const UniValue& params, bool fHelp)
     if ( fHelp || params.size() != 1 )
         throw runtime_error("prices maxsamples\n");
     LOCK(cs_main);
-    UniValue ret(UniValue::VOBJ); int64_t smoothed,*correlated; char name[64],*str; uint32_t rawprices[2048],*prices; uint32_t i,width,j,numpricefeeds=-1,n,nextheight,offset,ht,num=0,daywindow = (3600*24/ASSETCHAINS_BLOCKTIME) + 1;
+    UniValue ret(UniValue::VOBJ); uint64_t seed; int64_t smoothed,*correlated; char name[64],*str; uint32_t rawprices[2048],*prices; uint32_t i,width,j,numpricefeeds=-1,n,nextheight,offset,ht,num=0,daywindow = (3600*24/ASSETCHAINS_BLOCKTIME) + 1;
     if ( ASSETCHAINS_CBOPRET == 0 )
         throw JSONRPCError(RPC_INVALID_PARAMETER, "only -ac_cbopret chains have prices");
 
@@ -1198,7 +1198,7 @@ UniValue prices(const UniValue& params, bool fHelp)
     if ( daywindow < 7 )
         daywindow = 7;
     width = maxsamples+2*daywindow;
-    numpricefeeds = komodo_heightpricebits(rawprices,nextheight-1);
+    numpricefeeds = komodo_heightpricebits(&seed,rawprices,nextheight-1);
     if ( numpricefeeds <= 0 )
         throw JSONRPCError(RPC_INVALID_PARAMETER, "illegal numpricefeeds");
     prices = (uint32_t *)calloc(sizeof(*prices),width*numpricefeeds);
@@ -1209,7 +1209,7 @@ UniValue prices(const UniValue& params, bool fHelp)
             throw JSONRPCError(RPC_INVALID_PARAMETER, "Block height out of range");
         else
         {
-            if ( (n= komodo_heightpricebits(rawprices,ht)) > 0 )
+            if ( (n= komodo_heightpricebits(0,rawprices,ht)) > 0 )
             {
                 if ( n != numpricefeeds )
                     throw JSONRPCError(RPC_INVALID_PARAMETER, "numprices != first numprices");
@@ -1238,7 +1238,7 @@ UniValue prices(const UniValue& params, bool fHelp)
             for (i=0; i<maxsamples+daywindow; i++)
             {
                 offset = j*width + i;
-                correlated[i] = komodo_pricecorrelated(j,&prices[offset],daywindow);
+                correlated[i] = komodo_pricecorrelated(seed,j,&prices[offset],daywindow);
             }
             for (i=0; i<maxsamples; i++)
             {