diff --git a/iguana/iguana777.c b/iguana/iguana777.c
index 2897188bc..f81b1e0aa 100755
--- a/iguana/iguana777.c
+++ b/iguana/iguana777.c
@@ -150,7 +150,7 @@ int32_t iguana_peermetrics(struct iguana_info *coin)
         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,1.);
+        sortbuf[n*2 + 0] = iguana_metric(addr,now,.995);
         sortbuf[n*2 + 1] = i;
         n++;
     }
@@ -178,7 +178,7 @@ int32_t iguana_peermetrics(struct iguana_info *coin)
         if ( i > 0 )
         {
             coin->peers.avemetric = (sum / i);
-            if ( 0 && i >= 64 && slowest != 0 )
+            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;
diff --git a/iguana/iguana777.h b/iguana/iguana777.h
index 6576b5a95..8078b9527 100755
--- a/iguana/iguana777.h
+++ b/iguana/iguana777.h
@@ -33,6 +33,7 @@ typedef int32_t (*blockhashfunc)(uint8_t *blockhashp,uint8_t *serialized,int32_t
 #endif
 #define IGUANA_DEFAULTLAG 30
 
+#define IGUANA_MAXHEIGHT (1 << 30)
 #define IGUANA_MAXCOINS 64
 #define IGUANA_MAXDELAY_MILLIS (3600 * 1000) 
 #define IGUANA_DEFAULT_POLLTIMEOUT 10
@@ -918,7 +919,7 @@ int32_t iguana_unspentindfind(struct iguana_info *coin,int32_t *heightp,bits256
 int32_t iguana_addressvalidate(struct iguana_info *coin,uint8_t *addrtypep,uint8_t rmd160[20],char *address);
 int32_t bitcoin_sign(uint8_t *sig,int32_t maxlen,uint8_t *data,int32_t datalen,bits256 privkey);
 bits256 iguana_str2priv(struct iguana_info *coin,char *str);
-int32_t iguana_spentflag(struct iguana_info *coin,int64_t *RTspendp,int32_t *spentheightp,struct iguana_ramchain *ramchain,int16_t spent_hdrsi,uint32_t spent_unspentind,int32_t height,uint64_t amount);
+int32_t iguana_spentflag(struct iguana_info *coin,int64_t *RTspendp,int32_t *spentheightp,struct iguana_ramchain *ramchain,int16_t spent_hdrsi,uint32_t spent_unspentind,int32_t height,int32_t minconf,int32_t maxconf,uint64_t amount);
 int32_t iguana_voutscript(struct iguana_info *coin,struct iguana_bundle *bp,uint8_t *scriptspace,char *asmstr,struct iguana_unspent *u,struct iguana_pkhash *p,int32_t txi);
 cJSON *iguana_unspentjson(struct iguana_info *coin,int32_t hdrsi,uint32_t unspentind,struct iguana_txid *T,struct iguana_unspent *up,uint8_t rmd160[20],char *coinaddr,uint8_t *pubkey33);
 int32_t bitcoin_standardspend(uint8_t *script,int32_t n,uint8_t rmd160[20]);
diff --git a/iguana/iguana_unspents.c b/iguana/iguana_unspents.c
index 3c6ad3b10..7626b7e72 100755
--- a/iguana/iguana_unspents.c
+++ b/iguana/iguana_unspents.c
@@ -285,9 +285,9 @@ int32_t iguana_volatilesmap(struct iguana_info *coin,struct iguana_ramchain *ram
     return(err);
 }
 
-int32_t iguana_spentflag(struct iguana_info *coin,int64_t *RTspendp,int32_t *spentheightp,struct iguana_ramchain *ramchain,int16_t spent_hdrsi,uint32_t spent_unspentind,int32_t height,uint64_t amount)
+int32_t iguana_spentflag(struct iguana_info *coin,int64_t *RTspendp,int32_t *spentheightp,struct iguana_ramchain *ramchain,int16_t spent_hdrsi,uint32_t spent_unspentind,int32_t height,int32_t minconf,int32_t maxconf,uint64_t amount)
 {
-    uint32_t numunspents; struct iguana_hhutxo *hhutxo; struct iguana_utxo utxo; uint64_t val;
+    uint32_t numunspents; struct iguana_hhutxo *hhutxo; struct iguana_utxo utxo; uint64_t confs,val,RTspend = 0;
     *spentheightp = 0;
     numunspents = ramchain->H.data->numunspents;
     memset(&utxo,0,sizeof(utxo));
@@ -303,7 +303,7 @@ int32_t iguana_spentflag(struct iguana_info *coin,int64_t *RTspendp,int32_t *spe
             {
                 utxo = hhutxo->u;
                 if ( utxo.spentflag != 0 )
-                    (*RTspendp) += amount;
+                    RTspend = amount;
             }
         }
     }
@@ -319,9 +319,12 @@ int32_t iguana_spentflag(struct iguana_info *coin,int64_t *RTspendp,int32_t *spe
     }
     //printf("[%d] u%u %.8f, spentheight.%d vs height.%d spentflag.%d\n",spent_hdrsi,spent_unspentind,dstr(amount),utxo.fromheight,height,utxo.spentflag);
     *spentheightp = utxo.fromheight;
-    if ( height == 0 || utxo.fromheight < height )
+    if ( (confs= coin->blocks.hwmchain.height - utxo.fromheight) >= minconf && confs < maxconf && (height == 0 || utxo.fromheight < height) )
+    {
+        (*RTspendp) += RTspend;
         return(utxo.spentflag);
-    else return(0);
+    }
+    return(0);
 }
 
 int32_t iguana_volatileupdate(struct iguana_info *coin,int32_t incremental,struct iguana_ramchain *spentchain,int16_t spent_hdrsi,uint32_t spent_unspentind,uint32_t spent_pkind,uint64_t spent_value,uint32_t spendind,uint32_t fromheight)
@@ -1193,7 +1196,7 @@ int32_t iguana_uheight(struct iguana_info *coin,int32_t bundleheight,struct igua
     else return(bundleheight);
 }
 
-int64_t iguana_pkhashbalance(struct iguana_info *coin,cJSON *array,int64_t *spentp,int32_t *nump,struct iguana_ramchain *ramchain,struct iguana_pkhash *p,uint32_t lastunspentind,uint8_t rmd160[20],char *coinaddr,uint8_t *pubkey33,int32_t hdrsi,int32_t height)
+int64_t iguana_pkhashbalance(struct iguana_info *coin,cJSON *array,int64_t *spentp,int32_t *nump,struct iguana_ramchain *ramchain,struct iguana_pkhash *p,uint32_t lastunspentind,uint8_t rmd160[20],char *coinaddr,uint8_t *pubkey33,int32_t hdrsi,int32_t height,int32_t minconf,int32_t maxconf)
 {
     struct iguana_unspent *U; struct iguana_utxo *U2; struct iguana_spend *S; int32_t uheight,spentheight; uint32_t pkind=0,unspentind; int64_t spent = 0,checkval,deposits = 0; struct iguana_txid *T; struct iguana_account *A2; struct iguana_ramchaindata *rdata = 0; int64_t RTspend = 0;
     *spentp = *nump = 0;
@@ -1211,6 +1214,8 @@ int64_t iguana_pkhashbalance(struct iguana_info *coin,cJSON *array,int64_t *spen
     U = (void *)(long)((long)rdata + rdata->Uoffset);
     T = (void *)(long)((long)rdata + rdata->Toffset);
     RTspend = 0;
+    if ( height == 0 )
+        height = IGUANA_MAXHEIGHT;
     while ( unspentind > 0 )
     {
         (*nump)++;
@@ -1218,7 +1223,7 @@ int64_t iguana_pkhashbalance(struct iguana_info *coin,cJSON *array,int64_t *spen
         if ( uheight < height )
         {
             deposits += U[unspentind].value;
-            if ( iguana_spentflag(coin,&RTspend,&spentheight,ramchain,hdrsi,unspentind,height,U[unspentind].value) == 0 )
+            if ( iguana_spentflag(coin,&RTspend,&spentheight,ramchain,hdrsi,unspentind,height,minconf,maxconf,U[unspentind].value) == 0 )
             {
                 if ( array != 0 )
                     jaddi(array,iguana_unspentjson(coin,hdrsi,unspentind,T,&U[unspentind],rmd160,coinaddr,pubkey33));
@@ -1254,19 +1259,27 @@ int64_t iguana_pkhashbalance(struct iguana_info *coin,cJSON *array,int64_t *spen
 
 int32_t iguana_pkhasharray(struct iguana_info *coin,cJSON *array,int32_t minconf,int32_t maxconf,int64_t *totalp,struct iguana_pkhash *P,int32_t max,uint8_t rmd160[20],char *coinaddr,uint8_t *pubkey33,int32_t lastheight)
 {
-    int32_t i,n,m; int64_t spent,deposits,netbalance,total; uint32_t lastunspentind; struct iguana_ramchain *ramchain;
+    int32_t i,n,m; int64_t spent,deposits,netbalance,total; uint32_t lastunspentind; struct iguana_ramchain *ramchain; struct iguana_bundle *bp;
     if ( 0 && coin->RTramchain_busy != 0 )
     {
         printf("iguana_pkhasharray: unexpected access when RTramchain_busy\n");
         return(-1);
     }
+    if ( lastheight == 0 )
+        lastheight = IGUANA_MAXHEIGHT;
     for (total=i=n=0; i<max && i<coin->bundlescount; i++)
     {
-        if ( i > lastheight/coin->chain->bundlesize )
+        if ( (bp= coin->bundles[i]) == 0 )
+            continue;
+        if ( lastheight > 0 && bp->bundleheight > lastheight )
+            break;
+        if ( (coin->blocks.hwmchain.height - (bp->bundleheight + bp->n - 1)) > maxconf )
+            continue;
+        if ( (coin->blocks.hwmchain.height - bp->bundleheight) < minconf )
             break;
         if ( iguana_pkhashfind(coin,&ramchain,&deposits,&lastunspentind,&P[n],rmd160,i,i) != 0 )
         {
-            if ( (netbalance= iguana_pkhashbalance(coin,array,&spent,&m,ramchain,&P[n],lastunspentind,rmd160,coinaddr,pubkey33,i,lastheight)) != deposits-spent )
+            if ( (netbalance= iguana_pkhashbalance(coin,array,&spent,&m,ramchain,&P[n],lastunspentind,rmd160,coinaddr,pubkey33,i,lastheight,minconf,maxconf)) != deposits-spent && lastheight == IGUANA_MAXHEIGHT && minconf == 1 && maxconf > coin->blocks.hwmchain.height )
             {
                 printf("pkhash balance mismatch from m.%d check %.8f vs %.8f spent %.8f [%.8f]\n",m,dstr(netbalance),dstr(deposits),dstr(spent),dstr(deposits)-dstr(spent));
             }
@@ -1294,18 +1307,21 @@ void iguana_unspents(struct supernet_info *myinfo,struct iguana_info *coin,cJSON
     }
     if ( rmdarray == 0 )
         rmdarray = iguana_walletrmds(myinfo,coin,&numrmds), flag++;
-    addrtypes = &rmdarray[numrmds * 20], pubkeys = &rmdarray[numrmds * 21];
-    P = calloc(coin->bundlescount,sizeof(*P));
-    for (i=0; i<numrmds; i++)
-    {
-        bitcoin_address(coinaddr,addrtypes[i],&rmdarray[i * 20],20);
-        iguana_pkhasharray(coin,array,minconf,maxconf,&total,P,coin->bundlescount,&rmdarray[i * 20],coinaddr,&pubkeys[33*i],0);
-        printf("i.%d of %d: %s %.8f\n",i,numrmds,coinaddr,dstr(total));
-        sum += total;
-    }
-    printf("sum %.8f\n",dstr(sum));
-    free(P);
-    if ( flag != 0 )
+    if ( numrmds > 0 && rmdarray != 0 )
+    {
+        addrtypes = &rmdarray[numrmds * 20], pubkeys = &rmdarray[numrmds * 21];
+        P = calloc(coin->bundlescount,sizeof(*P));
+        for (i=0; i<numrmds; i++)
+        {
+            bitcoin_address(coinaddr,addrtypes[i],&rmdarray[i * 20],20);
+            iguana_pkhasharray(coin,array,minconf,maxconf,&total,P,coin->bundlescount,&rmdarray[i * 20],coinaddr,&pubkeys[33*i],0);
+            printf("i.%d of %d: %s %.8f\n",i,numrmds,coinaddr,dstr(total));
+            sum += total;
+        }
+        printf("sum %.8f\n",dstr(sum));
+        free(P);
+    }
+    if ( flag != 0 && rmdarray != 0 )
         free(rmdarray);
 }
 
@@ -2622,7 +2638,7 @@ TWOSTRINGS_AND_INT(iguana,balance,activecoin,address,height)
         array = cJSON_CreateArray();
         printf("Start %s balance.(%s) height.%d\n",coin->symbol,address,height);
         if ( height == 0 )
-            height = (1 << 30);
+            height = IGUANA_MAXHEIGHT;
         iguana_pkhasharray(coin,array,minconf,maxconf,&total,P,coin->bundlescount,rmd160,address,pubkey33,height);
         free(P);
         jadd(retjson,"unspents",array);
diff --git a/iguana/ramchain_api.c b/iguana/ramchain_api.c
index b0d443f4f..20a0f13b6 100755
--- a/iguana/ramchain_api.c
+++ b/iguana/ramchain_api.c
@@ -301,9 +301,10 @@ STRING_ARG(bitcoinrpc,decodescript,scriptstr)
 
 HASH_AND_TWOINTS(bitcoinrpc,gettxout,txid,vout,mempool)
 {
-    uint8_t script[IGUANA_MAXSCRIPTSIZE],rmd160[20],pubkey33[33]; char coinaddr[128],asmstr[IGUANA_MAXSCRIPTSIZE*2+1]; struct iguana_bundle *bp; int32_t scriptlen,unspentind,height,spentheight; int64_t RTspend; struct iguana_ramchaindata *rdata; struct iguana_pkhash *P; struct iguana_txid *T; struct iguana_unspent *U; struct iguana_ramchain *ramchain; cJSON *scriptobj,*retjson = cJSON_CreateObject();
+    uint8_t script[IGUANA_MAXSCRIPTSIZE],rmd160[20],pubkey33[33]; char coinaddr[128],asmstr[IGUANA_MAXSCRIPTSIZE*2+1]; struct iguana_bundle *bp; int32_t minconf,scriptlen,unspentind,height,spentheight; int64_t RTspend; struct iguana_ramchaindata *rdata; struct iguana_pkhash *P; struct iguana_txid *T; struct iguana_unspent *U; struct iguana_ramchain *ramchain; cJSON *scriptobj,*retjson = cJSON_CreateObject();
     if ( coin != 0 )
     {
+        minconf = (mempool != 0) ? 0 : 1;
         if ( (unspentind= iguana_unspentindfind(coin,&height,txid,vout,coin->bundlescount-1)) != 0 )
         {
             if ( height >= 0 && height < coin->longestchain && (bp= coin->bundles[height / coin->chain->bundlesize]) != 0 )
@@ -315,7 +316,7 @@ HASH_AND_TWOINTS(bitcoinrpc,gettxout,txid,vout,mempool)
                     P = (void *)(long)((long)rdata + rdata->Poffset);
                     T = (void *)(long)((long)rdata + rdata->Toffset);
                     RTspend = 0;
-                    if ( iguana_spentflag(coin,&RTspend,&spentheight,ramchain,bp->hdrsi,unspentind,height,U[unspentind].value) == 0 )
+                    if ( iguana_spentflag(coin,&RTspend,&spentheight,ramchain,bp->hdrsi,unspentind,height,minconf,coin->longestchain,U[unspentind].value) == 0 )
                     {
                         jaddbits256(retjson,"bestblock",coin->blocks.hwmchain.RO.hash2);
                         jaddnum(retjson,"bestheight",coin->blocks.hwmchain.height);