int32_t calc_generators(struct crypto777_node *nn,uint64_t sortbuf[MAXPEERS+1][4],struct consensus_model *mp,uint32_t blocknum)
{
struct crypto777_generator gen;
struct crypto777_block *prev;
struct crypto777_node *peer;
uint64_t stake;
int32_t i,n = 0;
uint32_t timestamp = (uint32_t)time(NULL);
if ( (prev= mp->blocks[blocknum-1]) == 0 )
return(-1);
for (i=0; i<=nn->numpeers; i++)
{
peer = (i < nn->numpeers) ? nn->peers[i] : nn;
if ( peer != 0 )
{
stake = calc_stake(peer,mp);
sortbuf[n][0] = calc_generator(&gen,stake,peer->email,timestamp,prev->gen.metric,prev->gen.hash,mp->POW_DIFF);
sortbuf[n][1] = peer->nodeid;
sortbuf[n][2] = gen.hit;
sortbuf[n][3] = prev->gen.metric;
n++;
}
}
if ( n > 1 )
revsort64s(&sortbuf[0][0],n,sizeof(sortbuf[0]));
return(n);
}
double instantdex_aveprice(struct supernet_info *myinfo,struct exchange_quote *sortbuf,int32_t max,double *totalvolp,char *base,char *rel,double relvolume,cJSON *argjson)
{
char *str; double totalvol,pricesum; uint32_t timestamp;
struct exchange_quote quote; int32_t i,n,dir,num,depth = 100;
struct exchange_info *exchange; struct exchange_request *req,*active[64];
timestamp = (uint32_t)time(NULL);
if ( relvolume < 0. )
relvolume = -relvolume, dir = -1;
else dir = 1;
memset(sortbuf,0,sizeof(*sortbuf) * max);
if ( base != 0 && rel != 0 && relvolume > SMALLVAL )
{
for (i=num=0; i<myinfo->numexchanges && num < sizeof(active)/sizeof(*active); i++)
{
if ( (exchange= myinfo->tradingexchanges[i]) != 0 )
{
if ( (req= exchanges777_baserelfind(exchange,base,rel,'M')) == 0 )
{
if ( (str= exchanges777_Qprices(exchange,base,rel,30,1,depth,argjson,1,exchange->commission)) != 0 )
free(str);
req = exchanges777_baserelfind(exchange,base,rel,'M');
}
if ( req == 0 )
{
if ( (*exchange->issue.supports)(exchange,base,rel,argjson) != 0 )
printf("unexpected null req.(%s %s) %s\n",base,rel,exchange->name);
}
else
{
//printf("active.%s\n",exchange->name);
active[num++] = req;
}
}
}
for (i=n=0; i<num; i++)
{
if ( dir < 0 && active[i]->numbids > 0 )
n = instantdex_updatesources(sortbuf,n,max,i,1,active[i]->bidasks,active[i]->numbids);
else if ( dir > 0 && active[i]->numasks > 0 )
n = instantdex_updatesources(sortbuf,n,max,i,-1,&active[i]->bidasks[1],active[i]->numasks);
}
//printf("dir.%d %s/%s numX.%d n.%d\n",dir,base,rel,num,n);
if ( dir < 0 )
revsort64s(&sortbuf[0].satoshis,n,sizeof(*sortbuf));
else sort64s(&sortbuf[0].satoshis,n,sizeof(*sortbuf));
for (totalvol=pricesum=i=0; i<n && totalvol < relvolume; i++)
{
quote = sortbuf[i];
//printf("n.%d i.%d price %.8f %.8f %.8f\n",n,i,dstr(sortbuf[i].satoshis),sortbuf[i].price,quote.volume);
if ( quote.satoshis != 0 )
{
pricesum += (quote.price * quote.volume);
totalvol += quote.volume;
//printf("i.%d of %d %12.8f vol %.8f %s | aveprice %.8f total vol %.8f\n",i,n,sortbuf[i].price,quote.volume,active[quote.val]->exchange->name,pricesum/totalvol,totalvol);
}
}
if ( totalvol > 0. )
{
*totalvolp = pricesum;
return(pricesum / totalvol);
}
}
*totalvolp = 0;
return(0);
}
