From eb4c6419fd0da61ff3887fc779d11f48bd77dfc2 Mon Sep 17 00:00:00 2001
From: jl777 <jameslee777@yahoo.com>
Date: Fri, 29 Mar 2019 08:24:28 -1100
Subject: [PATCH] Edge case of no local prices yet

---
 src/komodo_gateway.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/komodo_gateway.h b/src/komodo_gateway.h
index 3614ec4cc..bf07218eb 100644
--- a/src/komodo_gateway.h
+++ b/src/komodo_gateway.h
@@ -1609,10 +1609,10 @@ uint32_t komodo_pricenew(int32_t *maxflagp,uint32_t price,uint32_t refprice,int6
 int32_t komodo_pricecmp(int32_t n,int32_t *maxflagp,uint32_t *pricebitsA,uint32_t *pricebitsB,int64_t tolerance)
 {
     int32_t i; uint32_t newprice;
-    *maxflagp = 0;
     for (i=1; i<n; i++)
     {
-        if ( (newprice= komodo_pricenew(maxflagp,pricebitsA[i],pricebitsB[i],tolerance)) != 0 )
+        *maxflagp = 0;
+        if ( pricebitsB[i] != 0 && pricebitsA[i] != 0 && (newprice= komodo_pricenew(maxflagp,pricebitsA[i],pricebitsB[i],tolerance)) != 0 )
         {
             fprintf(stderr,"i.%d/%d %u vs %u -> newprice.%u out of tolerance maxflag.%d\n",i,n,pricebitsB[i],pricebitsA[i],newprice,*maxflagp);
             return(-1);
@@ -1624,9 +1624,10 @@ int32_t komodo_pricecmp(int32_t n,int32_t *maxflagp,uint32_t *pricebitsA,uint32_
 // komodo_priceclamp() clamps any price that is beyond tolerance
 int32_t komodo_priceclamp(int32_t n,uint32_t *pricebits,uint32_t *refprices,int64_t tolerance)
 {
-    int32_t i,maxflag = 0; uint32_t newprice;
+    int32_t i,maxflag; uint32_t newprice;
     for (i=1; i<n; i++)
     {
+        maxflag = 0;
         if ( (newprice= komodo_pricenew(&maxflag,pricebits[i],refprices[i],tolerance)) != 0 )
         {
             fprintf(stderr,"priceclamped[%d of %d] %u vs %u -> %u\n",i,n,refprices[i],pricebits[i],newprice);