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Make sure highprice and lowprice != refprice

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jl777
2019-03-29 07:34:46 -11:00
parent af61aa5249
commit 92f0ec2616
1 changed files with 8 additions and 4 deletions
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12
src/komodo_gateway.h
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@@ -1580,20 +1580,24 @@ int32_t komodo_heightpricebits(uint32_t prevbits[4],int32_t nHeight)
uint32_t komodo_pricenew(int32_t *maxflagp,uint32_t price,uint32_t refprice,int64_t tolerance)
{
uint64_t highprice,lowprice;
if ( refprice < 2 )
return(0);
highprice = ((uint64_t)refprice * (COIN + tolerance)) / COIN; // calc highest acceptable price
lowprice = ((uint64_t)refprice * (COIN - tolerance)) / COIN; // and lowest
fprintf(stderr,"ref.%u * %llu -> %llu -> highprice %llu\n",refprice,(long long)(COIN+tolerance),(long long)((uint64_t)refprice * (COIN + tolerance)),(long long)highprice);
fprintf(stderr,"ref.%u * %llu -> %llu -> lowprice %llu\n",refprice,(long long)(COIN-tolerance),(long long)((uint64_t)refprice * (COIN - tolerance)),(long long)lowprice);
if ( highprice == refprice )
highprice++;
if ( lowprice == refprice )
lowprice--;
if ( price >= highprice )
{
fprintf(stderr,"high %u vs h%llu l%llu tolerance.%llu\n",price,(long long)highprice,(long long)lowprice,(long long)tolerance);
//fprintf(stderr,"high %u vs h%llu l%llu tolerance.%llu\n",price,(long long)highprice,(long long)lowprice,(long long)tolerance);
*maxflagp = 1;
if ( price > highprice ) // return non-zero only if we violate the tolerance
return(highprice);
}
else if ( price <= lowprice )
{
fprintf(stderr,"low %u vs h%llu l%llu tolerance.%llu\n",price,(long long)highprice,(long long)lowprice,(long long)tolerance);
//fprintf(stderr,"low %u vs h%llu l%llu tolerance.%llu\n",price,(long long)highprice,(long long)lowprice,(long long)tolerance);
*maxflagp = -1;
if ( price < lowprice )
return(lowprice);