/******************************************************************************
 * Copyright © 2014-2016 The SuperNET Developers.                             *
 *                                                                            *
 * See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at                  *
 * the top-level directory of this distribution for the individual copyright  *
 * holder information and the developer policies on copyright and licensing.  *
 *                                                                            *
 * Unless otherwise agreed in a custom licensing agreement, no part of the    *
 * SuperNET software, including this file may be copied, modified, propagated *
 * or distributed except according to the terms contained in the LICENSE file *
 *                                                                            *
 * Removal or modification of this copyright notice is prohibited.            *
 *                                                                            *
 ******************************************************************************/


#include "iguana777.h"
const char *Hardcoded_coins[][3] = { { "BTC", "bitcoin", "0" }, { "BTCD", "BitcoinDark", "129" },  { "VPN", "VPNcoin", "129" }, { "LTC", "litecoin", "129" } , { "endmarker", "", "" } };

struct iguana_info *iguana_coinfind(const char *symbol)
{
    int32_t i;
    for (i=0; i<sizeof(Coins)/sizeof(*Coins); i++)
    {
        if ( Coins[i] != 0 && strcmp(Coins[i]->symbol,symbol) == 0 )
            return(Coins[i]);
    }
    return(0);
}

struct iguana_info *iguana_coinadd(const char *symbol,cJSON *argjson)
{
    struct iguana_info *coin; int32_t i = 0;
    if ( symbol == 0 )
    {
        for (i=0; i<sizeof(Coins)/sizeof(*Coins); i++)
            if ( Hardcoded_coins[i][0] == 0 )
                break;
        for (; i<sizeof(Coins)/sizeof(*Coins); i++)
        {
            if ( Coins[i] == 0 )
            {
                Coins[i] = mycalloc('C',1,sizeof(*Coins[i]));
                printf("iguana_coin.(new) -> %p\n",Coins[i]);
                return(Coins[i]);
            } return(0);
            printf("i.%d (%s) vs name.(%s)\n",i,Coins[i]->name,symbol);
        }
    }
    else
    {
        for (i=0; i<sizeof(Coins)/sizeof(*Coins); i++)
        {
            if ( i >= sizeof(Hardcoded_coins)/sizeof(*Hardcoded_coins) )
                break;
            //printf("Hardcoded_coins[i][0] %s vs.(%s)\n",Hardcoded_coins[i][0],symbol);
            //if ( symbol[0] == 0 )
            //    getchar();
            if ( strcmp("endmarker",Hardcoded_coins[i][0]) == 0 || strcmp(symbol,Hardcoded_coins[i][0]) == 0 )
            {
                if ( Coins[i] == 0 )
                    Coins[i] = mycalloc('C',1,sizeof(*Coins[i]));
                coin = Coins[i];
                if ( coin->chain == 0 )
                {
                    if ( i < sizeof(Hardcoded_coins)/sizeof(*Hardcoded_coins) )
                        strcpy(coin->name,Hardcoded_coins[i][1]);
                    else if (argjson != 0 )
                    {
                        if ( jstr(argjson,"name") != 0 )
                            safecopy(coin->name,jstr(argjson,"name"),sizeof(coin->name));
                        else strcpy(coin->name,symbol);
                    }
                    coin->chain = iguana_chainfind((char *)symbol,argjson,1);
                    strcpy(coin->symbol,symbol);
                    iguana_initcoin(coin,argjson);
                }
                return(coin);
            }
        }
    }
    return(0);
}

struct iguana_info *iguana_coinselect()
{
    int32_t i;
    for (i=0; i<sizeof(Coins)/sizeof(*Coins); i++)
    {
        if ( Coins[i] != 0 && Coins[i]->symbol[0] != 0 && Coins[i]->bundlescount > 0 )
            return(Coins[i]);
    }
    return(0);
}

void iguana_recvalloc(struct iguana_info *coin,int32_t numitems)
{
    //coin->blocks.ptrs = myrealloc('W',coin->blocks.ptrs,coin->blocks.ptrs==0?0:coin->blocks.maxbits * sizeof(*coin->blocks.ptrs),numitems * sizeof(*coin->blocks.ptrs));
    coin->blocks.RO = myrealloc('W',coin->blocks.RO,coin->blocks.RO==0?0:coin->blocks.maxbits * sizeof(*coin->blocks.RO),numitems * sizeof(*coin->blocks.RO));
    //printf("realloc waitingbits.%d -> %d\n",coin->blocks.maxbits,numitems);
    coin->blocks.maxbits = numitems;
}

static int _decreasing_double(const void *a,const void *b)
{
#define double_a (*(double *)a)
#define double_b (*(double *)b)
	if ( double_b > double_a )
		return(1);
	else if ( double_b < double_a )
		return(-1);
	return(0);
#undef double_a
#undef double_b
}

static int32_t revsortds(double *buf,uint32_t num,int32_t size)
{
	qsort(buf,num,size,_decreasing_double);
	return(0);
}

double iguana_metric(struct iguana_peer *addr,uint32_t now,double decay)
{
    int32_t duration; double metric = addr->recvblocks * addr->recvtotal;
    addr->recvblocks *= decay;
    addr->recvtotal *= decay;
    if ( now >= addr->ready && addr->ready != 0 )
        duration = (now - addr->ready + 1);
    else duration = 1;
    if ( metric < SMALLVAL && duration > 300 )
        metric = 0.001;
    else metric /= duration;
    return(metric);
}

int32_t iguana_peermetrics(struct iguana_info *coin)
{
    int32_t i,ind,n; double *sortbuf,sum; uint32_t now; struct iguana_peer *addr,*slowest = 0;
    //printf("peermetrics\n");
    sortbuf = mycalloc('s',coin->MAXPEERS,sizeof(double)*2);
    coin->peers.mostreceived = 0;
    now = (uint32_t)time(NULL);
    for (i=n=0; i<coin->MAXPEERS; i++)
    {
        addr = &coin->peers.active[i];
        if ( addr->usock < 0 || addr->dead != 0 || addr->ready == 0 )
            continue;
        addr->pendblocks = 0;
        if ( addr->recvblocks > coin->peers.mostreceived )
            coin->peers.mostreceived = addr->recvblocks;
        //printf("[%.0f %.0f] ",addr->recvblocks,addr->recvtotal);
        sortbuf[n*2 + 0] = iguana_metric(addr,now,.995);
        sortbuf[n*2 + 1] = i;
        n++;
    }
    if ( n > 0 )
    {
        revsortds(sortbuf,n,sizeof(double)*2);
        portable_mutex_lock(&coin->peers_mutex);
        for (sum=i=0; i<n; i++)
        {
            if ( i < coin->MAXPEERS )
            {
                coin->peers.topmetrics[i] = sortbuf[i*2];
                ind = (int32_t)sortbuf[i*2 +1];
                coin->peers.ranked[i] = &coin->peers.active[ind];
                if ( sortbuf[i*2] > SMALLVAL && (double)i/n > .8 && (time(NULL) - addr->ready) > 77 )
                    slowest = coin->peers.ranked[i];
                //printf("(%.5f %s) ",sortbuf[i*2],coin->peers.ranked[i]->ipaddr);
                coin->peers.ranked[i]->rank = i + 1;
                sum += coin->peers.topmetrics[i];
            }
        }
        coin->peers.numranked = n;
        portable_mutex_unlock(&coin->peers_mutex);
        //printf("NUMRANKED.%d\n",n);
        if ( i > 0 )
        {
            coin->peers.avemetric = (sum / i);
            if ( i >= 7*(coin->MAXPEERS/8) && slowest != 0 )
            {
                printf("prune slowest peer.(%s) numranked.%d MAXPEERS.%d\n",slowest->ipaddr,n,coin->MAXPEERS);
                slowest->dead = 1;
            }
        }
    }
    myfree(sortbuf,coin->MAXPEERS * sizeof(double) * 2);
    return(coin->peers.mostreceived);
}

void *iguana_kviAddriterator(struct iguana_info *coin,struct iguanakv *kv,struct iguana_kvitem *item,uint64_t args,void *key,void *value,int32_t valuesize)
{
    char ipaddr[64]; int32_t i; FILE *fp = (FILE *)(long)args; struct iguana_peer *addr; struct iguana_iAddr *iA = value;
    if ( fp != 0 && iA != 0 && iA->numconnects > 0 && iA->lastconnect > time(NULL)-IGUANA_RECENTPEER )
    {
        for (i=0; i<coin->peers.numranked; i++)
            if ( (addr= coin->peers.ranked[i]) != 0 && addr->ipbits == iA->ipbits )
                break;
        if ( i == coin->peers.numranked )
        {
            expand_ipbits(ipaddr,iA->ipbits);
            fprintf(fp,"%s\n",ipaddr);
        }
    }
    return(0);
}

uint32_t iguana_updatemetrics(struct iguana_info *coin)
{
    char fname[512],tmpfname[512],oldfname[512],ipaddr[64]; int32_t i,j; struct iguana_peer *addr,*tmpaddr; FILE *fp;
    iguana_peermetrics(coin);
    sprintf(fname,"%s/%s_peers.txt",GLOBAL_CONFSDIR,coin->symbol), OS_compatible_path(fname);
    sprintf(oldfname,"%s/%s_oldpeers.txt",GLOBAL_CONFSDIR,coin->symbol), OS_compatible_path(oldfname);
    sprintf(tmpfname,"%s/%s/peers.txt",GLOBAL_TMPDIR,coin->symbol), OS_compatible_path(tmpfname);
    if ( (fp= fopen(tmpfname,"w")) != 0 )
    {
        for (i=0; i<coin->peers.numranked; i++)
        {
            if ( (addr= coin->peers.ranked[i]) != 0 && addr->relayflag != 0 && strcmp(addr->ipaddr,"127.0.0.1") != 0 )
            {
                for (j=0; j<coin->peers.numranked; j++)
                {
                    if ( i != j && (tmpaddr= coin->peers.ranked[j]) != 0 && (uint32_t)addr->ipbits == (uint32_t)tmpaddr->ipbits )
                        break;
                }
                if ( j == coin->peers.numranked )
                {
                    expand_ipbits(ipaddr,(uint32_t)addr->ipbits);
                    fprintf(fp,"%s\n",ipaddr);
                }
            }
        }
        if ( ftell(fp) > OS_filesize(fname) )
        {
            printf("new peers.txt %ld vs (%s) %ld (%s)\n",ftell(fp),fname,(long)OS_filesize(fname),GLOBAL_CONFSDIR);
            fclose(fp);
            OS_renamefile(fname,oldfname);
            OS_copyfile(tmpfname,fname,1);
        } else fclose(fp);
    }
    else
    {
        printf("iguana_updatemetrics: couldnt create.(%s)\n",tmpfname);
        return(0);
    }
    return((uint32_t)time(NULL));
}

void iguana_emitQ(struct iguana_info *coin,struct iguana_bundle *bp)
{
    struct iguana_helper *ptr;
    ptr = mycalloc('i',1,sizeof(*ptr));
    ptr->allocsize = sizeof(*ptr);
    ptr->coin = coin;
    ptr->bp = bp, ptr->hdrsi = bp->hdrsi;
    ptr->type = 'E';
    ptr->starttime = (uint32_t)time(NULL);
    //printf("%s EMIT.%d[%d] emitfinish.%u\n",coin->symbol,ptr->hdrsi,bp->n,bp->emitfinish);
    queue_enqueue("emitQ",&emitQ,&ptr->DL,0);
}

void iguana_bundleQ(struct iguana_info *coin,struct iguana_bundle *bp,int32_t timelimit)
{
    struct iguana_helper *ptr;
    if ( bp->queued == 0 && bp->emitfinish <= 1 && iguana_bundleready(coin,bp,0) == bp->n )
        printf("bundle.[%d] is ready\n",bp->hdrsi);
    bp->queued = (uint32_t)time(NULL);
    ptr = mycalloc('i',1,sizeof(*ptr));
    ptr->allocsize = sizeof(*ptr);
    ptr->coin = coin;
    ptr->bp = bp, ptr->hdrsi = bp->hdrsi;
    ptr->type = 'B';
    ptr->starttime = (uint32_t)time(NULL);
    ptr->timelimit = timelimit;
    coin->numbundlesQ++;
    if ( 0 && bp->hdrsi > 170 )
        printf("%s %p bundle.%d[%d] ht.%d emitfinish.%u\n",coin->symbol,bp,ptr->hdrsi,bp->n,bp->bundleheight,bp->emitfinish);
    queue_enqueue("bundlesQ",&bundlesQ,&ptr->DL,0);
}

void iguana_validateQ(struct iguana_info *coin,struct iguana_bundle *bp)
{
    /*struct iguana_helper *ptr;
    //if ( bp->validated <= 1 )
    {
        ptr = mycalloc('i',1,sizeof(*ptr));
        ptr->allocsize = sizeof(*ptr);
        ptr->coin = coin;
        ptr->bp = bp, ptr->hdrsi = bp->hdrsi;
        ptr->type = 'V';
        ptr->starttime = (uint32_t)time(NULL);
        ptr->timelimit = 0;
        bp->validated = 1;
        //printf("VALIDATE Q %s bundle.%d[%d] utxofinish.%u balancefinish.%u\n",coin->symbol,ptr->hdrsi,bp->n,bp->utxofinish,bp->balancefinish);
        queue_enqueue("validateQ",&validateQ,&ptr->DL,0);
    }*/
}

int32_t iguana_emitfinished(struct iguana_info *coin,int32_t queueincomplete)
{
    struct iguana_bundle *bp; int32_t i,n = 0;
    for (i=0; i<coin->bundlescount-1; i++)
    {
        if ( (bp= coin->bundles[i]) != 0 )
        {
            if ( bp->emitfinish > 1 )
                n++;
            else if ( bp->emitfinish == 0  && bp->queued == 0 )
                iguana_bundleQ(coin,bp,1000);
        }
    }
    return(n);
}

int32_t iguana_utxofinished(struct iguana_info *coin)
{
    struct iguana_bundle *bp; int32_t i,n = 0;
    for (i=0; i<coin->bundlescount-1; i++)
    {
        if ( (bp= coin->bundles[i]) != 0 && bp->utxofinish > 1 )
            n++;
    }
    return(n);
}

int32_t iguana_convertfinished(struct iguana_info *coin)
{
    struct iguana_bundle *bp; int32_t i,n = 0;
    for (i=0; i<coin->bundlescount-1; i++)
    {
        if ( (bp= coin->bundles[i]) != 0 && bp->converted > 1 )
            n++;
    }
    return(n);
}

int32_t iguana_balancefinished(struct iguana_info *coin)
{
    struct iguana_bundle *bp; int32_t i,n = 0;
    for (i=0; i<coin->bundlescount-1; i++)
    {
        if ( (bp= coin->bundles[i]) != 0 && bp->balancefinish > 1 )
            n++;
    }
    return(n);
}

int32_t iguana_validated(struct iguana_info *coin)
{
    struct iguana_bundle *bp; int32_t i,n = 0;
    for (i=0; i<coin->bundlescount-1; i++)
    {
        if ( (bp= coin->bundles[i]) != 0 && bp->validated > 1 )
            n++;
    }
    return(n);
}

int32_t iguana_helperA(struct iguana_info *coin,struct iguana_bundle *bp,int32_t convertflag)
{
    int32_t retval,num = 0;
    if ( bp == 0 )
    {
        printf("iguana_helperA unexpected null bp\n");
        return(-1);
    }
    //printf("validate incr.%d and gen utxo.[%d] utxofinish.%u Xspends.%p\n",incr,hdrsi,bp->utxofinish,bp->ramchain.Xspendinds);
    if ( strcmp("BTC",coin->symbol) == 0 || iguana_bundlevalidate(coin,bp,0) == bp->n ) //
    {
        retval = 0;
        if ( bp->utxofinish > 1 || (retval= iguana_spendvectors(coin,bp,&bp->ramchain,0,bp->n,convertflag,0)) >= 0 )
        {
            if ( retval > 0 )
            {
                printf("GENERATED UTXO.%d for ht.%d duration %d seconds\n",bp->hdrsi,bp->bundleheight,(uint32_t)time(NULL) - bp->startutxo);
                num++;
            }
            bp->utxofinish = (uint32_t)time(NULL);
        } else printf("UTXO gen.[%d] utxo error\n",bp->hdrsi);
    }
    else
    {
        printf("error validating.[%d], restart iguana\n",bp->hdrsi);
        exit(-1);
    }
    return(num);
}

int32_t iguana_helperB(struct iguana_info *coin,int32_t helperid,struct iguana_bundle *bp,int32_t convertflag)
{
    if ( bp == 0 )
    {
        printf("iguana_helperB unexpected null bp\n");
        return(-1);
    }
    if ( bp != coin->current )
    {
        iguana_ramchain_prefetch(coin,&bp->ramchain,7);
        if ( convertflag == 0 )
        {
            bp->converted = 1;
            iguana_convert(coin,helperid,bp,0,0);
        }
        bp->converted = (uint32_t)time(NULL);
        return(1);
    }
    return(0);
}

int32_t iguana_utxogen(struct iguana_info *coin,int32_t helperid,int32_t convertflag)
{
    int32_t hdrsi,n,i,max,incr,num = 0; struct iguana_bundle *bp;
    if ( coin->spendvectorsaved > 1 )
    {
        printf("skip utxogen as spendvectorsaved.%u\n",coin->spendvectorsaved);
        return(0);
    }
    printf("helperid.%d start utxogen\n",helperid);
    incr = 1;//IGUANA_NUMHELPERS;
    //if ( 1 || coin->PREFETCHLAG > 0 ) // data issues on slow systems
    //    incr = 1;
    max = coin->bundlescount;
    if ( coin->bundles[max-1] != 0 && coin->bundles[max-1]->emitfinish <= 1 )
        max--;
    if ( helperid < incr )
    {
        for (hdrsi=helperid; hdrsi<max; hdrsi+=incr)
            num += iguana_helperA(coin,coin->bundles[hdrsi],convertflag);
    }
    while ( (n= iguana_utxofinished(coin)) < max )
    {
        //printf("helperid.%d utxofinished.%d vs %d\n",helperid,n,max);
        sleep(IGUANA_NUMHELPERS+3);
    }
    if ( helperid < incr )
    {
        for (hdrsi=helperid; hdrsi<max; hdrsi+=incr)
            num += iguana_helperB(coin,helperid,coin->bundles[hdrsi],convertflag);
    }
    while ( (n= iguana_convertfinished(coin)) < max )
    {
        //printf("helperid.%d convertfinished.%d vs max %d bundlescount.%d\n",helperid,n,max,coin->bundlescount);
        sleep(IGUANA_NUMHELPERS+3);
    }
    if ( helperid == 0 )
    {
        if ( iguana_balancefinished(coin) < max && iguana_spendvectorsaves(coin) == 0 )
        {
            if ( 1 || coin->origbalanceswritten <= 1 )
                hdrsi = 0;
            else hdrsi = coin->origbalanceswritten;
            for (i=0; i<max; i++)
                if ( (bp= coin->bundles[i]) != 0 && bp != coin->current )
                    iguana_volatilesalloc(coin,&bp->ramchain,i < hdrsi);
            for (; hdrsi<max; hdrsi++)
            {
                if ( (bp= coin->bundles[hdrsi]) != 0 )
                {
                    //iguana_ramchain_prefetch(coin,&bp->ramchain,3);
                    if ( iguana_balancegen(coin,0,bp,0,coin->chain->bundlesize-1,0) == 0 )
                        bp->balancefinish = (uint32_t)time(NULL);
                }
            }
            if ( max != coin->origbalanceswritten )
            {
                coin->balanceflush = max+1;
                while ( coin->balanceflush != 0 )
                    sleep(3);
            } else printf("skip flush when max.%d and orig.%d\n",max,coin->origbalanceswritten);
        }
        if ( 1 )
        {
            for (i=0; i<max; i++)
                if ( (bp= coin->bundles[i]) != 0 )
                {
                    //iguana_volatilespurge(coin,&bp->ramchain);
                    iguana_volatilesmap(coin,&bp->ramchain);
                }
        }
    }
    while ( iguana_balancefinished(coin) < max || coin->balanceflush != 0 )
        sleep(3);
    //printf("helper.%d check validates\n",helperid);
    incr = IGUANA_NUMHELPERS;
    if ( helperid < incr )
    {
        for (hdrsi=helperid; hdrsi<max; hdrsi+=incr)
        {
            if ( (bp= coin->bundles[hdrsi]) == 0 )
                break;
            if ( iguana_bundlevalidate(coin,bp,0) != bp->n )
            {
                printf("validate.[%d] error. refresh page or restart iguana and it should regenerate\n",bp->hdrsi);
                exit(-1);
            } //else printf("helperid.%d validated.[%d]\n",helperid,hdrsi);
        }
    }
    /*while ( iguana_validated(coin) < max || iguana_utxofinished(coin) < max || iguana_balancefinished(coin) < max )
    {
        printf("helperid.%d waiting for spendvectorsaved.%u v.%d u.%d b.%d vs max.%d\n",helperid,coin->spendvectorsaved,iguana_validated(coin),iguana_utxofinished(coin),iguana_balancefinished(coin),max);
        sleep(IGUANA_NUMHELPERS+3);
    }*/
    if ( helperid == 0 )
    {
        coin->spendvectorsaved = (uint32_t)time(NULL);
        //printf("UTXOGEN spendvectorsaved <- %u\n",coin->spendvectorsaved);
    }
    else
    {
        while ( coin->spendvectorsaved <= 1 )
            sleep(IGUANA_NUMHELPERS+3);
    }
    //printf("helper.%d helperdone\n",helperid);
    return(num);
}

void iguana_helper(void *arg)
{
    cJSON *argjson=0; int32_t iter,i,n,j,polltimeout,type,helperid=rand(),flag,allcurrent,idle=0;
    struct iguana_helper *ptr; struct iguana_info *coin; struct OS_memspace MEM,*MEMB; struct iguana_bundle *bp;
    if ( arg != 0 && (argjson= cJSON_Parse(arg)) != 0 )
        helperid = juint(argjson,"helperid");
    if ( IGUANA_NUMHELPERS < 2 )
        type = 3;
    else type = (1 << (helperid % 2));
    if ( argjson != 0 )
        free_json(argjson);
    printf("HELPER.%d started arg.(%s) type.%d\n",helperid,(char *)(arg!=0?arg:0),type);
    memset(&MEM,0,sizeof(MEM));
    MEMB = mycalloc('b',IGUANA_MAXBUNDLESIZE,sizeof(*MEMB));
    sleep(2);
    while ( 1 )
    {
        //iguana_jsonQ(); cant do this here
        flag = 0;
        allcurrent = 2;
        polltimeout = 100;
        for (i=0; i<IGUANA_MAXCOINS; i++)
        {
            if ( (coin= Coins[i]) != 0 )
            {
                if ( coin->spendvectorsaved == 1 )
                    iguana_utxogen(coin,helperid,0);
                else if ( coin->spendvectorsaved > 1 )
                {
                    for (j=helperid; j<coin->bundlescount-1; j+=IGUANA_NUMHELPERS)
                        if ( (bp= coin->bundles[j]) != 0 )
                            iguana_bundlevalidate(coin,bp,0);
                }
            }
        }
        n = queue_size(&bundlesQ);
        for (iter=0; iter<n; iter++)
        {
            if ( (ptr= queue_dequeue(&bundlesQ,0)) != 0 )
            {
                idle = 0;
                coin = ptr->coin;
                if ( (bp= ptr->bp) != 0 && coin != 0 )
                {
                    if ( coin->polltimeout < polltimeout )
                        polltimeout = coin->polltimeout;
                    if ( coin->current != 0 && coin->current->hdrsi != coin->bundlescount-1 )
                        allcurrent = 0;
                    //printf("[%d] bundleQ size.%d lag.%ld\n",bp->hdrsi,queue_size(&bundlesQ),time(NULL) - bp->nexttime);
                    coin->numbundlesQ--;
                    if ( coin->started != 0 && (bp->nexttime == 0 || time(NULL) > bp->nexttime) && coin->active != 0 )
                    {
                        flag += iguana_bundleiters(ptr->coin,&MEM,MEMB,bp,ptr->timelimit,IGUANA_DEFAULTLAG);
                    }
                    else
                    {
                        //printf("skip.[%d] nexttime.%u lag.%ld coin->active.%d\n",bp->hdrsi,bp->nexttime,time(NULL)-bp->nexttime,coin->active);
                        allcurrent--;
                        iguana_bundleQ(coin,bp,1000);
                    }
                }
                else //if ( coin->active != 0 )
                    printf("helper missing param? %p %p %u\n",ptr->coin,bp,ptr->timelimit);
                myfree(ptr,ptr->allocsize);
            } else break;
        }
        /*n = queue_size(&validateQ) / IGUANA_NUMHELPERS + 1;
        printf("vQ is n.%d\n",n);
        for (iter=0; iter<n; iter++)
        {
            if ( (ptr= queue_dequeue(&validateQ,0)) == 0 )
                break;
            printf("vQ.%d %d of %d\n",queue_size(&validateQ),iter,n);
            if ( (bp= ptr->bp) != 0 && (coin= ptr->coin) != 0 && coin->active != 0 )
            {
                printf("helper.%d validate.[%d] %d vs %d\n",helperid,bp->hdrsi,coin->blocks.hwmchain.height/coin->chain->bundlesize,(coin->longestchain-1)/coin->chain->bundlesize);
                if ( coin->blocks.hwmchain.height/coin->chain->bundlesize >= (coin->longestchain-1)/coin->chain->bundlesize )
                    flag += iguana_bundlevalidate(coin,bp,0);
                else
                {
                    usleep(10000);
                    printf("requeue vQ.[%d]\n",bp->hdrsi);
                    iguana_validateQ(coin,bp);
                }
            }
            else if ( coin->active != 0 )
                printf("helper validate missing param? %p %p\n",ptr->coin,ptr->bp);
            myfree(ptr,ptr->allocsize);
            flag++;
        }*/
        if ( queue_size(&bundlesQ) > 1 )
            allcurrent = 0;
        if ( flag != 0 )
            usleep(polltimeout * 100 + 1);
        else if ( allcurrent > 0 )
        {
            //printf("bundlesQ allcurrent\n");
            usleep(polltimeout * 10000);
        }
        else usleep(polltimeout * 1000);
    }
}

void iguana_coinloop(void *arg)
{
    struct iguana_info *coin,**coins = arg;
    struct iguana_bundle *bp; int32_t flag,i,n,bundlei; bits256 zero; char str[2065];
    uint32_t now;
    n = (int32_t)(long)coins[0];
    coins++;
    printf("begin coinloop[%d]\n",n);
    coin = coins[0];
    iguana_launchpeer(coin,"127.0.0.1");
    memset(zero.bytes,0,sizeof(zero));
    while ( 1 )
    {
        flag = 0;
        for (i=0; i<n; i++)
        {
            if ( (coin= coins[i]) != 0 )
            {
                if ( coin->MAXPEERS > IGUANA_MAXPEERS )
                    coin->MAXPEERS = IGUANA_MAXPEERS;
                if ( coin->MAXPEERS < IGUANA_MINPEERS )
                    coin->MAXPEERS = IGUANA_MAXPEERS;
#ifdef __PNACL__
                if ( strcmp(coin->symbol,"BTC") == 0 )
                    continue;
                if ( coin->MAXPEERS > 64 )
                    coin->MAXPEERS = 64;
#endif
                if ( coin->started == 0 && coin->active != 0 )
                {
                    iguana_rwiAddrind(coin,0,0,0);
                    iguana_coinstart(coin,coin->initialheight,coin->mapflags);
                    printf("init.(%s) maxpeers.%d maxrecvcache.%s services.%llx MAXMEM.%s polltimeout.%d cache.%d pend.(%d -> %d)\n",coin->symbol,coin->MAXPEERS,mbstr(str,coin->MAXRECVCACHE),(long long)coin->myservices,mbstr(str,coin->MAXMEM),coin->polltimeout,coin->enableCACHE,coin->startPEND,coin->endPEND);
                    coin->chain->minconfirms = coin->minconfirms;
                    coin->started = coin;
                    coin->startutc = (uint32_t)time(NULL);
                    if ( (bp= iguana_bundlecreate(coin,&bundlei,0,*(bits256 *)coin->chain->genesis_hashdata,zero,1)) != 0 )
                        bp->bundleheight = 0;
                }
                now = (uint32_t)time(NULL);
                coin->idletime = 0;
                if ( coin->started != 0 && coin->active != 0 )
                {
                    if ( coin->peers.numranked > 4 && coin->isRT == 0 && now > coin->startutc+77 && coin->numsaved >= (coin->longestchain/coin->chain->bundlesize)*coin->chain->bundlesize && coin->blocks.hwmchain.height >= coin->longestchain-30 )
                    {
                        fprintf(stderr,">>>>>>> %s isRT blockrecv.%d vs longest.%d\n",coin->symbol,coin->blocksrecv,coin->longestchain);
                        coin->isRT = 1;
                        if ( coin->polltimeout > 100 )
                            coin->polltimeout = 100;
                        if ( coin->MAXPEERS > IGUANA_MINPEERS )
                            coin->MAXPEERS = IGUANA_MINPEERS;
                    }
                    if ( coin->isRT != 0 && coin->current != 0 && coin->numverified >= coin->current->hdrsi )
                    {
                        //static int32_t saved;
                        //if ( saved++ == 0 )
                        //    iguana_coinflush(coin,1);
                    }
                    if ( coin->bindsock >= 0 )
                    {
                        if ( coin->peers.numranked < (7*coin->MAXPEERS/8) && now > coin->lastpossible )
                        {
                            //fprintf(stderr,"possible\n");
                            if ( coin->peers.numranked > 0 && (now % 60) == 0 )
                                iguana_send_ping(coin,coin->peers.ranked[rand() % coin->peers.numranked]);
                            coin->lastpossible = iguana_possible_peer(coin,0); // tries to connect to new peers
                        }
                    }
                    else
                    {
                        if ( coin->peers.numranked < ((7*coin->MAXPEERS)>>3) && now > coin->lastpossible )
                        {
                            if ( coin->peers.numranked > 0 && (now % 60) == 0 )
                                iguana_send_ping(coin,coin->peers.ranked[rand() % coin->peers.numranked]);
                            coin->lastpossible = iguana_possible_peer(coin,0); // tries to connect to new peers
                        }
                    }
                    if ( now > coin->peers.lastmetrics+10 )
                    {
                        //fprintf(stderr,"metrics\n");
                        coin->peers.lastmetrics = iguana_updatemetrics(coin); // ranks peers
                    }
                    if ( coin->longestchain+10000 > coin->blocks.maxbits )
                        iguana_recvalloc(coin,coin->longestchain + 100000);
                    flag += iguana_processrecv(coin);
                }
                coin->idletime = (uint32_t)time(NULL);
            }
        }
        if ( flag == 0 && coin->isRT == 0 )
            usleep(coin->polltimeout*1000 + (coin->peers.numranked == 0)*1000000);
        else if ( coin->current != 0 && coin->current->hdrsi == coin->longestchain/coin->chain->bundlesize )
            usleep(coin->polltimeout*1000 + 90000 + (coin->peers.numranked == 0)*1000000);
        else usleep(coin->polltimeout*1000);
    }
}

void iguana_coinargs(char *symbol,int64_t *maxrecvcachep,int32_t *minconfirmsp,int32_t *maxpeersp,int32_t *initialheightp,uint64_t *servicesp,int32_t *maxrequestsp,int32_t *maxbundlesp,cJSON *json)
{
    if ( (*maxrecvcachep= j64bits(json,"maxrecvcache")) != 0 )
        *maxrecvcachep *= 1024 * 1024 * 1024L;
    *minconfirmsp = juint(json,"minconfirms");
    *maxpeersp = juint(json,"maxpeers");
    *maxrequestsp = juint(json,"maxrequests");
    *maxbundlesp = juint(json,"maxbundles");
    if ( (*initialheightp= juint(json,"initialheight")) == 0 )
        *initialheightp = (strcmp(symbol,"BTC") == 0) ? 400000 : 100000;
    *servicesp = j64bits(json,"services");
}

struct iguana_info *iguana_setcoin(char *symbol,void *launched,int32_t maxpeers,int64_t maxrecvcache,uint64_t services,int32_t initialheight,int32_t maphash,int32_t minconfirms,int32_t maxrequests,int32_t maxbundles,cJSON *json)
{
    struct iguana_chain *iguana_createchain(cJSON *json);
    struct iguana_info *coin; int32_t j,m,mult,maxval,mapflags; char dirname[512]; cJSON *peers;
    mapflags = IGUANA_MAPRECVDATA | maphash*IGUANA_MAPTXIDITEMS | maphash*IGUANA_MAPPKITEMS | maphash*IGUANA_MAPBLOCKITEMS | maphash*IGUANA_MAPPEERITEMS;
    printf("setcoin.%s\n",symbol);
    coin = iguana_coinadd(symbol,json);
    if ( (coin->MAXPEERS= maxpeers) <= 0 )
        coin->MAXPEERS = (strcmp(symbol,"BTC") == 0) ? 128 : 64;
    if ( (coin->MAXRECVCACHE= maxrecvcache) == 0 )
        coin->MAXRECVCACHE = IGUANA_MAXRECVCACHE;
    if ( (coin->MAXPENDINGREQUESTS= maxrequests) <= 0 )
        coin->MAXPENDINGREQUESTS = (strcmp(symbol,"BTC") == 0) ? IGUANA_MAXPENDINGREQUESTS : IGUANA_PENDINGREQUESTS;
    coin->myservices = services;
    coin->initialheight = initialheight;
    coin->mapflags = mapflags;
    mult = (strcmp("BTC",coin->symbol) != 0) ? 8 : 8;
    maxval = IGUANA_MAXPENDBUNDLES;
    coin->MAXMEM = juint(json,"RAM");
    if ( jobj(json,"prefetchlag") != 0 )
        coin->PREFETCHLAG = jint(json,"prefetchlag");
    else if ( strcmp("BTC",coin->symbol) == 0 )
        coin->PREFETCHLAG = 13;
    else coin->PREFETCHLAG = -1;
    if ( (coin->MAXSTUCKTIME= juint(json,"maxstuck")) == 0 )
        coin->MAXSTUCKTIME = _IGUANA_MAXSTUCKTIME;
    if ( coin->MAXMEM == 0 )
        coin->MAXMEM = IGUANA_DEFAULTRAM;
    //if ( strcmp("BTC",coin->symbol) == 0 && coin->MAXMEM < 4 )
    //    maxval = (int32_t)coin->MAXMEM;
    coin->MAXMEM *= (1024L * 1024 * 1024);
#ifdef __PNACL__
    maxval = 1;// * (strcmp("BTC",coin->symbol) != 0) + 8;
    //if ( mult > 1 )
    //    mult /= 2;
#endif
    if ( (coin->startPEND= juint(json,"startpend")) == 0 )
    {
        if ( strcmp("BTCD",coin->symbol) == 0 )
            coin->startPEND = 500;
        else coin->startPEND = IGUANA_MAXPENDBUNDLES*mult;
    }
    if ( coin->startPEND > maxval*mult )
        coin->startPEND = maxval*mult;
    else if ( coin->startPEND < 2 )
        coin->startPEND = 2;
    coin->MAXBUNDLES = coin->startPEND;
    if ( (coin->endPEND= juint(json,"endpend")) == 0 )
    {
        if ( strcmp("BTCD",coin->symbol) == 0 )
            coin->endPEND = 500;
        else coin->endPEND = IGUANA_MINPENDBUNDLES*mult;
    }
    if ( coin->endPEND > maxval*mult )
        coin->endPEND = maxval*mult;
    else if ( coin->endPEND < 2 )
        coin->endPEND = 2;
#ifdef __PNACL__
    //coin->startPEND =  coin->endPEND = 1;
#endif
    coin->enableCACHE = 0;//(strcmp("BTC",coin->symbol) != 0);
    if ( jobj(json,"cache") != 0 )
        coin->enableCACHE = juint(json,"cache");
    if ( (coin->polltimeout= juint(json,"poll")) <= 0 )
        coin->polltimeout = IGUANA_DEFAULT_POLLTIMEOUT;
    coin->active = juint(json,"active");
    if ( (coin->minconfirms = minconfirms) == 0 )
        coin->minconfirms = (strcmp(symbol,"BTC") == 0) ? 3 : 10;
    printf("ensure directories maxval.%d mult.%d start.%d end.%d\n",maxval,mult,coin->startPEND,coin->endPEND);
    sprintf(dirname,"%s/ro",GLOBAL_DBDIR), OS_ensure_directory(dirname);
    sprintf(dirname,"%s/ro/%s",GLOBAL_DBDIR,symbol), OS_ensure_directory(dirname);
    sprintf(dirname,"%s/%s",GLOBAL_DBDIR,symbol), OS_ensure_directory(dirname);
    sprintf(dirname,"%s/%s/validated",GLOBAL_DBDIR,symbol), OS_ensure_directory(dirname);
    sprintf(dirname,"%s/%s/accounts",GLOBAL_DBDIR,symbol), OS_ensure_directory(dirname);
    sprintf(dirname,"%s/%s/spends",GLOBAL_DBDIR,symbol), OS_ensure_directory(dirname);
    sprintf(dirname,"%s/%s/vouts",GLOBAL_DBDIR,symbol), OS_ensure_directory(dirname);
    if ( coin->VALIDATEDIR[0] != 0 )
    {
        sprintf(dirname,"%s",coin->VALIDATEDIR), OS_ensure_directory(dirname);
        sprintf(dirname,"%s/%s",coin->VALIDATEDIR,symbol), OS_ensure_directory(dirname);
    }
    sprintf(dirname,"%s/%s",GLOBAL_TMPDIR,symbol), OS_ensure_directory(dirname);
    if ( coin->chain == 0 && (coin->chain= iguana_createchain(json)) == 0 )
    {
        printf("cant initialize chain.(%s)\n",jstr(json,0));
        strcpy(coin->name,"illegalcoin");
        coin->symbol[0] = 0;
        return(0);
    } else iguana_chainparms(coin->chain,json);
    if ( jobj(json,"RELAY") != 0 )
        coin->RELAYNODE = juint(json,"RELAY");
    else coin->RELAYNODE = 1;
    if ( jobj(json,"VALIDATE") != 0 )
        coin->VALIDATENODE = juint(json,"VALIDATE");
    else coin->VALIDATENODE = 1;
    if ( jobj(json,"validatedir") != 0 )
        safecopy(coin->VALIDATEDIR,jstr(json,"validatedir"),sizeof(coin->VALIDATEDIR));
    else strcpy(coin->VALIDATEDIR,GLOBAL_VALIDATEDIR);
    if ( (peers= jarray(&m,json,"peers")) != 0 )
    {
        for (j=0; j<m; j++)
        {
            printf("%s ",jstr(jitem(peers,j),0));
            iguana_possible_peer(coin,jstr(jitem(peers,j),0));
        }
        printf("addnodes.%d\n",m);
    }
    char str[65]; printf("pend.(%d -> %d) MAXMEM.%s enablecache.%d VALIDATEDIR.(%s)\n",coin->startPEND,coin->endPEND,mbstr(str,coin->MAXMEM),coin->enableCACHE,coin->VALIDATEDIR);
    return(coin);
}

int32_t iguana_launchcoin(char *symbol,cJSON *json)
{
    int32_t maxpeers,maphash,initialheight,minconfirms,maxrequests,maxbundles;
    int64_t maxrecvcache; uint64_t services; struct iguana_info **coins,*coin;
    if ( symbol == 0 )
        return(-1);
    printf("launchcoin.%s\n",symbol);
    if ( (coin= iguana_coinadd(symbol,json)) == 0 )
        return(-1);
    if ( coin->launched == 0 )
    {
        if ( juint(json,"GBavail") < 8 )
            maphash = IGUANA_MAPHASHTABLES;
        else maphash = 0;
        iguana_coinargs(symbol,&maxrecvcache,&minconfirms,&maxpeers,&initialheight,&services,&maxrequests,&maxbundles,json);
        coins = mycalloc('A',1+1,sizeof(*coins));
        if ( (coin= iguana_setcoin(symbol,coins,maxpeers,maxrecvcache,services,initialheight,maphash,minconfirms,maxrequests,maxbundles,json)) != 0 )
        {
            coins[0] = (void *)((long)1);
            coins[1] = coin;
            printf("launch coinloop for.%s services.%llx\n",coin->symbol,(long long)services);
            coin->launched = iguana_launch(coin,"iguana_coinloop",iguana_coinloop,coins,IGUANA_PERMTHREAD);
            coin->active = 1;
            return(1);
        }
        else
        {
            printf("launchcoin: couldnt initialize.(%s)\n",symbol);
            myfree(coins,sizeof(*coins) * 2);
            return(-1);
        }
    }
    return(0);
}

void iguana_coins(void *arg)
{
    struct iguana_info **coins,*coin; char *jsonstr,*symbol; cJSON *array,*item,*json;
    int32_t i,n,maxpeers,maphash,initialheight,minconfirms,maxrequests,maxbundles;
    int64_t maxrecvcache; uint64_t services; struct vin_info V;
    memset(&V,0,sizeof(V));
    if ( (jsonstr= arg) != 0 && (json= cJSON_Parse(jsonstr)) != 0 )
    {
        if ( (array= jarray(&n,json,"coins")) == 0 )
        {
            if ( (symbol= jstr(json,"coin")) != 0 && strncmp(symbol,"BTC",3) == 0 )
            {
                coins = mycalloc('A',1+1,sizeof(*coins));
                if ( (coins[1]= iguana_setcoin(symbol,coins,0,0,0,0,0,0,0,0,json)) != 0 )
                {
                    _iguana_calcrmd160(coins[1],&V);
                    coins[0] = (void *)((long)1);
                    iguana_coinloop(coins);
                }
                else
                {
                    printf("iguana_coins: couldnt initialize.(%s)\n",symbol);
                    return;
                }
            } else printf("no coins[] array in JSON.(%s) only BTCD and BTC can be quicklaunched\n",jsonstr);
            free_json(json);
            return;
        }
        coins = mycalloc('A',n+1,sizeof(*coins));
        if ( juint(json,"GBavail") < 8 )
            maphash = IGUANA_MAPHASHTABLES;
        else maphash = 0;
        for (i=0; i<n; i++)
        {
            item = jitem(array,i);
            if ( (symbol= jstr(item,"name")) == 0 || strlen(symbol) > 8 )
            {
                printf("skip strange coin.(%s)\n",symbol);
                continue;
            }
            iguana_coinargs(symbol,&maxrecvcache,&minconfirms,&maxpeers,&initialheight,&services,&maxrequests,&maxbundles,item);
            coins[1 + i] = coin = iguana_setcoin(symbol,coins,maxpeers,maxrecvcache,services,initialheight,maphash,minconfirms,maxrequests,maxbundles,item);
            if ( coin == 0 )
            {
                printf("iguana_coins: couldnt initialize.(%s)\n",symbol);
                return;
            }
        }
        coins[0] = (void *)((long)n);
        iguana_coinloop(coins);
    }
}

char *busdata_sync(uint32_t *noncep,char *jsonstr,char *broadcastmode,char *destNXTaddr)
{
    printf("busdata_sync.(%s)\n",jsonstr);
    return(0);
}