diff --git a/crypto777/OS_portable.h b/crypto777/OS_portable.h
index 5e1833e74..011f1f6ac 100755
--- a/crypto777/OS_portable.h
+++ b/crypto777/OS_portable.h
@@ -98,7 +98,7 @@ struct taidate tai2date(struct tai t);
 int32_t taidate_str(char *s,struct taidate cd);
 char *taitime_str(char *s,struct taitime ct);
 int32_t taidate_mjd(struct taidate cd);
-uint32_t tai2utime(struct tai t);
+uint64_t tai2utime(struct tai t);
 struct tai taitime2tai(struct taitime ct);
 char *tai_str(char *str,struct tai t);
 char *utc_str(char *str,struct tai t);
@@ -137,8 +137,8 @@ int32_t expand_datenum(char *date,int32_t datenum);
 int32_t calc_datenum(int32_t year,int32_t month,int32_t day);
 int32_t ecb_decrdate(int32_t *yearp,int32_t *monthp,int32_t *dayp,char *date,int32_t datenum);
 int32_t conv_date(int32_t *secondsp,char *buf);
-uint32_t OS_conv_datenum(int32_t datenum,int32_t hour,int32_t minute,int32_t second);
-int32_t OS_conv_unixtime(int32_t *secondsp,time_t timestamp);
+uint64_t OS_conv_datenum(int32_t datenum,int32_t hour,int32_t minute,int32_t second);
+int32_t OS_conv_unixtime(struct tai *t,int32_t *secondsp,time_t timestamp);
 double OS_milliseconds();
 
 void OS_randombytes(unsigned char *x,long xlen);
@@ -206,8 +206,8 @@ int32_t expand_datenum(char *date,int32_t datenum);
 int32_t calc_datenum(int32_t year,int32_t month,int32_t day);
 int32_t ecb_decrdate(int32_t *yearp,int32_t *monthp,int32_t *dayp,char *date,int32_t datenum);
 int32_t conv_date(int32_t *secondsp,char *buf);
-uint32_t OS_conv_datenum(int32_t datenum,int32_t hour,int32_t minute,int32_t second);
-int32_t OS_conv_unixtime(int32_t *secondsp,time_t timestamp);
+uint64_t OS_conv_datenum(int32_t datenum,int32_t hour,int32_t minute,int32_t second);
+int32_t OS_conv_unixtime(struct tai *t,int32_t *secondsp,time_t timestamp);
 int32_t btc_coinaddr(char *coinaddr,uint8_t addrtype,char *pubkeystr);
 void reverse_hexstr(char *str);
 int32_t init_hexbytes_noT(char *hexbytes,uint8_t *message,long len);
diff --git a/crypto777/OS_time.c b/crypto777/OS_time.c
index 208321f4e..edb63b67e 100755
--- a/crypto777/OS_time.c
+++ b/crypto777/OS_time.c
@@ -18,6 +18,8 @@
 #include "OS_portable.h"
 
 #define TAI_PACK 8
+#define TAI_UTC_DIFF ((uint64_t)4611686018427387914ULL)
+
 //#define UTC_ADJUST -36
 #define tai_approx(t) ((double) ((t)->x))
 #define tai_less(t,u) ((t)->x < (u)->x)
@@ -27,6 +29,80 @@ static struct tai First_TAI;
 uint32_t First_utc;
 int32_t UTC_ADJUST;
 
+#ifdef _WIN32
+struct tm *gmtime_r(const time_t *timep,struct tm *result)
+{
+	struct tm *p = gmtime(timep);
+	memset(result,0,sizeof(*result));
+	if ( p != 0 )
+    {
+        *result = *p;
+        p = result;
+	}
+	return(p);
+}
+
+#include <Windows.h>
+#include <stdint.h> // portable: uint64_t   MSVC: __int64
+
+// MSVC defines this in winsock2.h!?
+/*typedef struct timeval {
+    long tv_sec;
+    long tv_usec;
+} timeval;
+
+int gettimeofday(struct timeval * tp, struct timezone * tzp)
+{
+    // Note: some broken versions only have 8 trailing zero's, the correct epoch has 9 trailing zero's
+    static const uint64_t EPOCH = ((uint64_t) 116444736000000000ULL);
+    
+    SYSTEMTIME  system_time;
+    FILETIME    file_time;
+    uint64_t    time;
+    
+    GetSystemTime( &system_time );
+    SystemTimeToFileTime( &system_time, &file_time );
+    time =  ((uint64_t)file_time.dwLowDateTime )      ;
+    time += ((uint64_t)file_time.dwHighDateTime) << 32;
+    
+    tp->tv_sec  = (long) ((time - EPOCH) / 10000000L);
+    tp->tv_usec = (long) (system_time.wMilliseconds * 1000);
+    return 0;
+}*/
+#endif
+
+double OS_portable_milliseconds()
+{
+    struct timeval tv; double millis;
+    gettimeofday(&tv,NULL);
+    millis = ((double)tv.tv_sec * 1000. + (double)tv.tv_usec / 1000.);
+    //printf("tv_sec.%ld usec.%d %f\n",tv.tv_sec,tv.tv_usec,millis);
+    return(millis);
+}
+
+// portable time functions
+
+int32_t is_DST(int32_t datenum)
+{
+    int32_t year,month,day;
+    year = datenum / 10000, month = (datenum / 100) % 100, day = (datenum % 100);
+    if ( month >= 4 && month <= 9 )
+        return(1);
+    else if ( month == 3 && day >= 29 )
+        return(1);
+    else if ( month == 10 && day < 25 )
+        return(1);
+    return(0);
+}
+
+struct taidate taidate_set(int32_t year,int32_t month,int32_t day)
+{
+    struct taidate cd;
+    memset(&cd,0,sizeof(cd));
+    cd.year = year, cd.month = month, cd.day = day;
+    return(cd);
+}
+
 struct taidate taidate_frommjd(int32_t day,int32_t *pwday,int32_t *pyday)
 {
     int32_t year,month,yday; struct taidate cd;
@@ -98,6 +174,15 @@ struct taidate tai2date(struct tai t)
     return(ct.date);
 }
 
+struct taitime taitime_set(struct taidate cd,int32_t hour,int32_t minute,int32_t seconds)
+{
+    struct taitime ct;
+    memset(&ct,0,sizeof(ct));
+    ct.date = cd;
+    ct.hour = hour, ct.minute = minute, ct.second = seconds;
+    return(ct);
+}
+
 /*int32_t taitime_scan(char *s,struct taitime *ct)
  {
  int32_t z,c,sign; char *t = s;
@@ -177,7 +262,7 @@ char *taitime_str(char *s,struct taitime ct)
         s[4] = '0' + (x % 6); x /= 6;
         s[3] = '0' + (x % 10); x /= 10;
         s[2] = '0' + (x % 10);
-        s[len] = 0;
+        s[6] = 0;
     }
     return(s);
 }
@@ -249,23 +334,26 @@ int32_t taidate_mjd(struct taidate cd)
     return d;
 }
 
-uint32_t tai2utc(struct tai t) { t.x -= 4611686018427387914ULL; return((uint32_t)t.x); }
+struct tai utc2tai(uint32_t timestamp) { struct tai t; memset(&t,0,sizeof(t)); t.x = (timestamp + TAI_UTC_DIFF); return(t); }
+
+uint32_t tai2utc(struct tai t) { t.x -= TAI_UTC_DIFF; return((uint32_t)t.x); }
 
-uint32_t tai2utime(struct tai t)
+uint64_t tai2utime(struct tai t)
 {
-    uint64_t mjd; struct taitime ct = tai2time(t,0,0);
+    uint64_t mjd; uint64_t timestamp; struct taitime ct = tai2time(t,0,0);
     mjd = taidate_mjd(ct.date);
-    return((uint32_t)(mjd * 24*3600 + ct.hour*3600 + ct.minute*60 + ct.second));
+    timestamp = ((uint64_t)(mjd * 24*3600 + ct.hour*3600 + ct.minute*60 + ct.second));
+    return(timestamp);
 }
 
 struct tai tai_now()
 {
-    struct tai t;
-    t.x = 4611686018427387914ULL + (uint64_t)time(NULL);
+    struct tai t; uint64_t now = time(NULL);
+    t.x = TAI_UTC_DIFF + now;
     t.millis = OS_milliseconds();
     if ( First_TAI.x == 0 )
     {
-        First_TAI = t, First_utc = (uint32_t)time(NULL);
+        First_TAI = t, First_utc = (uint32_t)now;
         UTC_ADJUST = -36;
         printf("TAINOW.%llu %03.3f UTC.%u vs %u [diff %d]\n",(long long)t.x,t.millis,First_utc,tai2utc(t),UTC_ADJUST);
     }
@@ -387,80 +475,74 @@ char *utc_str(char *str,struct tai t)
     return(tai_str(str,t));
 }
 
-#ifdef ENABLE_TEST
-#include <unistd.h>
-int main(int argc, const char * argv[])
+double OS_milliseconds()
 {
-    int i; char str[111],str2[111],str3[111],str4[111]; struct taitime ct;
-    struct tai t,start = tai_now();
-    for (i=0; i<100; i++)
-    {
-        sleep(1);
-        t = tai_now();
-        taidate_str(str2,tai2date(t));
-        printf("(%s) time.%s date.%s %ld start.%ld %s %u %u\n",tai_str(str3,t),taitime_str(str,ct),str2,(long)tai2utime(t),(long)tai2utime(start),utime_str(str4,t),tai2utc(t),(uint32_t)time(NULL));
-    }
-    // insert code here...
-    printf("Hello, World!\n");
-    return 0;
+    return(OS_portable_milliseconds());
 }
-#endif
 
+int32_t calc_datenum(int32_t year,int32_t month,int32_t day)
+{
+    return((year * 10000) + (month * 100) + day);
+}
 
-int32_t conv_date(int32_t *secondsp,char *buf);
-
-double OS_portable_milliseconds()
+int32_t extract_datenum(int32_t *yearp,int32_t *monthp,int32_t *dayp,int32_t datenum)
 {
-    struct timeval tv; double millis;
-    gettimeofday(&tv,NULL);
-    millis = ((double)tv.tv_sec * 1000. + (double)tv.tv_usec / 1000.);
-    //printf("tv_sec.%ld usec.%d %f\n",tv.tv_sec,tv.tv_usec,millis);
-    return(millis);
+    *yearp = datenum / 10000, *monthp = (datenum / 100) % 100, *dayp = (datenum % 100);
+    if ( *yearp >= 2000 && *yearp <= 2038 && *monthp >= 1 && *monthp <= 12 && *dayp >= 1 && *dayp <= 31 )
+        return(datenum);
+    else return(-1);
 }
 
-uint32_t OS_conv_datenum(int32_t datenum,int32_t hour,int32_t minute,int32_t second) // datenum+H:M:S -> unix time
+uint64_t OS_conv_datenum(int32_t datenum,int32_t hour,int32_t minute,int32_t second) // datenum+H:M:S -> unix time
 {
+    int32_t year,month,day; struct tai t; struct taitime ct;
+    if ( 1 )
+    {
+        if ( extract_datenum(&year,&month,&day,datenum) > 0 )
+        {
+            ct = taitime_set(taidate_set(year,month,day),hour,minute,second);
+            t = taitime2tai(ct);
+            return(tai2utime(t)+788250398LL - 4294967296LL);
+        }
+        return(0);
+    }
+    else
+    {
 #ifdef __PNACL
-    return(0);
+        return(0);
 #else
-    struct tm t;
-    memset(&t,0,sizeof(t));
-    t.tm_year = (datenum / 10000) - 1900, t.tm_mon = ((datenum / 100) % 100) - 1, t.tm_mday = (datenum % 100);
-    t.tm_hour = hour, t.tm_min = minute, t.tm_sec = second;
-    return((uint32_t)timegm(&t));
+        struct tm t;
+        memset(&t,0,sizeof(t));
+        t.tm_year = (datenum / 10000) - 1900, t.tm_mon = ((datenum / 100) % 100) - 1, t.tm_mday = (datenum % 100);
+        t.tm_hour = hour, t.tm_min = minute, t.tm_sec = second;
+        return((uint32_t)timegm(&t));
 #endif
+    }
 }
 
-double OS_milliseconds()
-{
-    return(OS_portable_milliseconds());
-}
-
-int32_t OS_conv_unixtime(int32_t *secondsp,time_t timestamp) // gmtime -> datenum + number of seconds
+int32_t OS_conv_unixtime(struct tai *tp,int32_t *secondsp,time_t timestamp) // gmtime -> datenum + number of seconds
 {
-    struct tm t; int32_t datenum; uint32_t checktime; char buf[64];
-    t = *gmtime(&timestamp);
-    strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%SZ",&t); //printf("%s\n",buf);
-    datenum = conv_date(secondsp,buf);
-    if ( (checktime= OS_conv_datenum(datenum,*secondsp/3600,(*secondsp%3600)/60,*secondsp%60)) != timestamp )
+    struct tm tm,*ptr; int32_t datenum; uint32_t checktime; char buf[64]; struct tai t; struct taitime ct;
+    if ( 1 )
     {
-        printf("error: timestamp.%u -> (%d + %d) -> %u\n",(uint32_t)timestamp,datenum,*secondsp,checktime);
-        return(-1);
+        *tp = t = utc2tai((uint32_t)timestamp);
+        ct = tai2time(t,0,0);
+        *secondsp = (ct.hour*3600 + ct.minute*60 + ct.second);
+        return(calc_datenum(ct.date.year,ct.date.month,ct.date.day));
+    }
+    else
+    {
+        if ( (ptr= gmtime(&timestamp)) != 0 )
+            tm = *ptr;;
+        strftime(buf,sizeof(buf), "%Y-%m-%dT%H:%M:%SZ",&tm); //printf("%s\n",buf);
+        datenum = conv_date(secondsp,buf);
+        if ( (checktime= OS_conv_datenum(datenum,*secondsp/3600,(*secondsp%3600)/60,*secondsp%60)) != timestamp )
+        {
+            printf("error: timestamp.%u -> (%d + %d) -> %u\n",(uint32_t)timestamp,datenum,*secondsp,checktime);
+            return(-1);
+        }
+        return(datenum);
     }
-    return(datenum);
-}
-
-int32_t is_DST(int32_t datenum)
-{
-    int32_t year,month,day;
-    year = datenum / 10000, month = (datenum / 100) % 100, day = (datenum % 100);
-    if ( month >= 4 && month <= 9 )
-        return(1);
-    else if ( month == 3 && day >= 29 )
-        return(1);
-    else if ( month == 10 && day < 25 )
-        return(1);
-    return(0);
 }
 
 int32_t conv_date(int32_t *secondsp,char *date)
@@ -488,19 +570,15 @@ int32_t conv_date(int32_t *secondsp,char *date)
     return((year * 10000) + (month * 100) + day);
 }
 
-int32_t extract_datenum(int32_t *yearp,int32_t *monthp,int32_t *dayp,int32_t datenum)
+int32_t expand_datenum(char *date,int32_t datenum)
 {
-    *yearp = datenum / 10000, *monthp = (datenum / 100) % 100, *dayp = (datenum % 100);
-    if ( *yearp >= 2000 && *yearp <= 2038 && *monthp >= 1 && *monthp <= 12 && *dayp >= 1 && *dayp <= 31 )
-        return(datenum);
-    else return(-1);
+    int32_t year,month,day; date[0] = 0;
+    if ( extract_datenum(&year,&month,&day,datenum) != datenum)
+        return(-1);
+    sprintf(date,"%d-%02d-%02d",year,month,day);
+    return(0);
 }
 
-int32_t expand_datenum(char *date,int32_t datenum) { int32_t year,month,day; date[0] = 0; if ( extract_datenum(&year,&month,&day,datenum) != datenum) return(-1); sprintf(date,"%d-%02d-%02d",year,month,day); return(0); }
-
-int32_t calc_datenum(int32_t year,int32_t month,int32_t day) { return((year * 10000) + (month * 100) + day); }
-
-
 int32_t ecb_decrdate(int32_t *yearp,int32_t *monthp,int32_t *dayp,char *date,int32_t datenum)
 {
     static int lastday[13] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
@@ -527,3 +605,22 @@ int32_t ecb_decrdate(int32_t *yearp,int32_t *monthp,int32_t *dayp,char *date,int
     *yearp = year, *monthp = month, *dayp = day;
     return((year * 10000) + (month * 100) + day);
 }
+
+#ifdef ENABLE_TEST
+#include <unistd.h>
+int main(int argc, const char * argv[])
+{
+    int i; char str[111],str2[111],str3[111],str4[111]; struct taitime ct;
+    struct tai t,start = tai_now();
+    for (i=0; i<100; i++)
+    {
+        sleep(1);
+        t = tai_now();
+        taidate_str(str2,tai2date(t));
+        printf("(%s) time.%s date.%s %ld start.%ld %s %u %u\n",tai_str(str3,t),taitime_str(str,ct),str2,(long)tai2utime(t),(long)tai2utime(start),utime_str(str4,t),tai2utc(t),(uint32_t)time(NULL));
+    }
+    // insert code here...
+    printf("Hello, World!\n");
+    return 0;
+}
+#endif
diff --git a/crypto777/iguana_OS.c b/crypto777/iguana_OS.c
index 40292ba4c..3bea4383a 100755
--- a/crypto777/iguana_OS.c
+++ b/crypto777/iguana_OS.c
@@ -259,7 +259,7 @@ void *queue_delete(queue_t *queue,struct queueitem *copy,int32_t copysize,int32_
             {
                 DL_DELETE(queue->list,item);
                 portable_mutex_unlock(&queue->mutex);
-                printf("name.(%s) deleted item.%p list.%p\n",queue->name,item,queue->list);
+                //printf("name.(%s) deleted item.%p list.%p\n",queue->name,item,queue->list);
                 if ( freeitem != 0 )
                     myfree(item,copysize);
                 return(item);
diff --git a/deprecated/obsolete.h b/deprecated/obsolete.h
index 6c4c6c146..7e1d83b73 100644
--- a/deprecated/obsolete.h
+++ b/deprecated/obsolete.h
@@ -10168,4 +10168,21 @@ void iguana_dedicatedrecv(void *arg)
                 }
                 else return(0);
             }
+                
+                
+            /*char *iguana_genericjsonstr(char *jsonstr,char *remoteaddr)
+             {
+             cJSON *json; char *retjsonstr,*methodstr,*agentstr;
+             if ( (json= cJSON_Parse(jsonstr)) != 0 )
+             {
+             if ( (agentstr= jstr(json,"agent")) == 0 )
+             agentstr = "SuperNET";
+             if ( (methodstr= jstr(json,"method")) != 0 )
+             retjsonstr = iguana_agentjson(agentstr,0,methodstr,json,remoteaddr);
+             else retjsonstr = clonestr("{\"error\":\"no method in generic JSON\"}");
+             free_json(json);
+             } else retjsonstr = clonestr("{\"error\":\"cant parse generic JSON\"}");
+             return(retjsonstr);
+             }*/
+
 #endif
diff --git a/iguana/iguana777.h b/iguana/iguana777.h
index 4eb265e3e..193d47c94 100755
--- a/iguana/iguana777.h
+++ b/iguana/iguana777.h
@@ -19,6 +19,7 @@
 
 //#define IGUANA_DISABLEPEERS
 #define IGUANA_MAXCOINS 64
+#define IGUANA_MAXDELAY_MILLIS (3600 * 1000) 
 
 #define IGUANA_EXCHANGEIDLE 10
 #define IGUANS_JSMILLIS 100
@@ -221,7 +222,7 @@ struct iguana_msgtx
     int32_t allocsize,timestamp;
 } __attribute__((packed));
 
-struct iguana_packet { struct queueitem DL; struct iguana_peer *addr; int32_t datalen,getdatablock; uint8_t serialized[]; };
+struct iguana_packet { struct queueitem DL; struct iguana_peer *addr; struct tai embargo; int32_t datalen,getdatablock; uint8_t serialized[]; };
 
 struct msgcounts { uint32_t version,verack,getaddr,addr,inv,getdata,notfound,getblocks,getheaders,headers,tx,block,mempool,ping,pong,reject,filterload,filteradd,filterclear,merkleblock,alert; };
 
@@ -444,7 +445,7 @@ struct iguana_info
 int32_t iguana_verifypeer(struct iguana_info *coin,void *key,void *value,int32_t itemind,int32_t itemsize);
 int32_t iguana_peermetrics(struct iguana_info *coin);
 void iguana_peersloop(void *arg);
-int32_t iguana_queue_send(struct iguana_info *coin,struct iguana_peer *addr,uint8_t *serialized,char *cmd,int32_t len,int32_t getdatablock,int32_t forceflag);
+int32_t iguana_queue_send(struct iguana_info *coin,struct iguana_peer *addr,int32_t delay,uint8_t *serialized,char *cmd,int32_t len,int32_t getdatablock,int32_t forceflag);
 uint32_t iguana_ipbits2ind(struct iguana_info *coin,struct iguana_iAddr *iA,uint32_t ipbits,int32_t createflag);
 uint32_t iguana_rwiAddrind(struct iguana_info *coin,int32_t rwflag,struct iguana_iAddr *iA,uint32_t ind);
 //uint32_t iguana_rwipbits_status(struct iguana_info *coin,int32_t rwflag,uint32_t ipbits,int32_t *statusp);
@@ -555,7 +556,7 @@ double dxblend(double *destp,double val,double decay);
 // json
 int32_t iguana_processjsonQ(struct iguana_info *coin); // reentrant, can be called during any idletime
 char *iguana_JSON(struct iguana_info *coin,char *jsonstr,char *remoteaddr);
-char *SuperNET_p2p(struct iguana_info *coin,char *ipaddr,uint8_t *data,int32_t datalen);
+char *SuperNET_p2p(struct iguana_info *coin,int32_t *delaymillisp,char *ipaddr,uint8_t *data,int32_t datalen);
 
 char *mbstr(char *str,double);
 int init_hexbytes_noT(char *hexbytes,unsigned char *message,long len);
@@ -660,6 +661,6 @@ struct iguana_info *iguana_coinfind(const char *symbol);
 struct iguana_info *iguana_coinadd(const char *symbol);
 struct iguana_ramchain *iguana_bundleload(struct iguana_info *coin,struct iguana_bundle *bp);
 int32_t iguana_sendblockreq(struct iguana_info *coin,struct iguana_peer *addr,struct iguana_bundle *bp,int32_t bundlei,bits256 hash2,int32_t iamthreadsafe);
-int32_t iguana_send_supernet(struct iguana_info *coin,struct iguana_peer *addr,char *jsonstr);
+int32_t iguana_send_supernet(struct iguana_info *coin,struct iguana_peer *addr,char *jsonstr,int32_t delay);
 
 #endif
diff --git a/iguana/iguana_json.c b/iguana/iguana_json.c
index c66c8f2dd..7d027c75d 100755
--- a/iguana/iguana_json.c
+++ b/iguana/iguana_json.c
@@ -434,21 +434,6 @@ char *iguana_jsonstr(struct iguana_info *coin,char *jsonstr,char *remoteaddr)
     return(retjsonstr);
 }
 
-/*char *iguana_genericjsonstr(char *jsonstr,char *remoteaddr)
-{
-    cJSON *json; char *retjsonstr,*methodstr,*agentstr;
-    if ( (json= cJSON_Parse(jsonstr)) != 0 )
-    {
-        if ( (agentstr= jstr(json,"agent")) == 0 )
-            agentstr = "SuperNET";
-        if ( (methodstr= jstr(json,"method")) != 0 )
-            retjsonstr = iguana_agentjson(agentstr,0,methodstr,json,remoteaddr);
-        else retjsonstr = clonestr("{\"error\":\"no method in generic JSON\"}");
-        free_json(json);
-    } else retjsonstr = clonestr("{\"error\":\"cant parse generic JSON\"}");
-    return(retjsonstr);
-}*/
-
 int32_t iguana_processjsonQ(struct iguana_info *coin) // reentrant, can be called during any idletime
 {
     struct iguana_jsonitem *ptr;
@@ -553,6 +538,29 @@ char *iguana_JSON(struct iguana_info *coin,char *jsonstr,char *remoteaddr)
     return(retstr);
 }
 
+char *SuperNET_p2p(struct iguana_info *coin,int32_t *delaymillisp,char *ipaddr,uint8_t *data,int32_t datalen)
+{
+    cJSON *json,*retjson; char *retstr = 0;
+    if ( (json= cJSON_Parse((char *)data)) != 0 )
+    {
+        printf("GOT >>>>>>>> SUPERNET P2P.(%s)\n",(char *)data);
+        if ( (retstr = iguana_JSON(coin,(char *)data,ipaddr)) != 0 )
+        {
+            if ( (retjson= cJSON_Parse(retstr)) != 0 )
+            {
+                if ( jobj(retjson,"result") != 0 || jobj(retjson,"error") != 0 || jobj(retjson,"method") == 0 )
+                {
+                    free(retstr);
+                    retstr = 0;
+                }
+                free_json(retjson);
+            }
+        }
+        free_json(json);
+    }
+    return(retstr);
+}
+
 /*void iguana_issuejsonstrM(void *arg)
 {
     cJSON *json; int32_t fd; char *retjsonstr,*jsonstr = arg;
@@ -577,6 +585,19 @@ void iguana_main(void *arg)
     int32_t i,len,flag; cJSON *json; uint8_t secretbuf[512];
     //  portable_OS_init()?
     mycalloc(0,0,0);
+    {
+        char str[65]; struct tai t; double startmillis; int32_t datenum,seconds; uint64_t i,checkval,timestamp,now = (uint32_t)time(NULL);
+        startmillis = OS_milliseconds();
+        for (i=0; i<1000000; i++)
+        {
+            timestamp = now - (rand() % 100000000LL); // range -100000000LL to +500000000LL
+            datenum = OS_conv_unixtime(&t,&seconds,timestamp); // gmtime -> datenum + number of seconds
+            checkval = OS_conv_datenum(datenum,seconds/3600,(seconds/60)%60,seconds%60); // datenum+H:M:S -> unix time
+            if ( checkval != timestamp )
+                printf("%s i.%lld timestamp.%-12llu -> (%d:%06d) -> checkval.%-12llu diff.[%lld]\n",tai_str(str,t),i,(long long)timestamp,datenum,seconds,(long long)checkval,(long long)(timestamp-checkval));
+        }
+        printf("million tai compares in %.3f microseconds per encode/decode\n",1000. * (OS_milliseconds()-startmillis)/i);
+    }
     if ( (retstr= iguana_addagent("ramchain",ramchain_parser,"127.0.0.1",cJSON_Parse("[\"block\", \"tx\", \"txs\", \"rawtx\", \"balance\", \"totalreceived\", \"totalsent\", \"utxo\", \"status\"]"),0,0,0)) != 0 )
         printf("%s\n",retstr), free(retstr);
     if ( (retstr= iguana_addagent("pangea",pangea_parser,"127.0.0.1",cJSON_Parse("[\"test\"]"),0,0,0)) != 0 )
diff --git a/iguana/iguana_msg.c b/iguana/iguana_msg.c
index bc90c2237..d3cc152e7 100755
--- a/iguana/iguana_msg.c
+++ b/iguana/iguana_msg.c
@@ -120,18 +120,18 @@ int32_t iguana_rwblockhash(int32_t rwflag,uint8_t *serialized,uint32_t *nVersion
     }
     //printf("iguana_request_data.%d %s ht.%d\n",n,bits256_str(hashes[0]),iguana_height(coin,hashes[0]));
     addr->getdatamillis = milliseconds();
-    len = iguana_queue_send(coin,addr,serialized,"getdata",len,iguana_height(coin,hashes[n-1]),forceflag);
+    len = iguana_queue_send(coin,addr,0,serialized,"getdata",len,iguana_height(coin,hashes[n-1]),forceflag);
     return(len);
 }*/
 
-int32_t iguana_send_supernet(struct iguana_info *coin,struct iguana_peer *addr,char *jsonstr)
+int32_t iguana_send_supernet(struct iguana_info *coin,struct iguana_peer *addr,char *jsonstr,int32_t delaymillis)
 {
     int32_t len; uint8_t serialized[8192];
     if ( addr->supernet != 0 && (len= (int32_t)strlen(jsonstr)) < sizeof(serialized)-sizeof(struct iguana_msghdr) )
     {
         memcpy(&serialized[sizeof(struct iguana_msghdr)],jsonstr,len+1);
         printf("SEND.(%s) -> (%s)\n",jsonstr,addr->ipaddr);
-        return(iguana_queue_send(coin,addr,serialized,"SuperNET",len+1,0,1));
+        return(iguana_queue_send(coin,addr,delaymillis,serialized,"SuperNET",len+1,0,1));
     }
     else return(-1);
 }
@@ -149,18 +149,18 @@ void iguana_gotversion(struct iguana_info *coin,struct iguana_peer *addr,struct
         addr->height = vers->nStartingHeight;
         addr->relayflag = 1;
         iguana_gotdata(coin,addr,addr->height);
-        iguana_queue_send(coin,addr,serialized,"verack",0,0,0);
+        iguana_queue_send(coin,addr,0,serialized,"verack",0,0,0);
         //iguana_send_ping(coin,addr);
     } else printf("nServices.%lld nonce.%llu invalid version message from.(%s)\n",(long long)vers->nServices,(long long)vers->nonce,addr->ipaddr);
     if ( (vers->nServices & (1<<7)) == (1<<7) )
     {
         addr->supernet = 1;
         printf("send getpeers to %s\n",addr->ipaddr);
-        iguana_send_supernet(coin,addr,"{\"agent\":\"SuperNET\",\"method\":\"getpeers\"}");
+        iguana_send_supernet(coin,addr,"{\"agent\":\"SuperNET\",\"method\":\"getpeers\"}",0);
     }
     if ( vers->nStartingHeight > coin->longestchain )
         coin->longestchain = vers->nStartingHeight;
-    iguana_queue_send(coin,addr,serialized,"getaddr",0,0,0);
+    iguana_queue_send(coin,addr,0,serialized,"getaddr",0,0,0);
 }
 
 int32_t iguana_send_version(struct iguana_info *coin,struct iguana_peer *addr,uint64_t myservices)
@@ -175,7 +175,7 @@ int32_t iguana_send_version(struct iguana_info *coin,struct iguana_peer *addr,ui
 	msg.nStartingHeight = coin->blocks.hwmchain.height;
     iguana_gotdata(coin,addr,msg.nStartingHeight);
     len = iguana_rwversion(1,&serialized[sizeof(struct iguana_msghdr)],&msg,addr->ipaddr);
-    return(iguana_queue_send(coin,addr,serialized,"version",len,0,1));
+    return(iguana_queue_send(coin,addr,0,serialized,"version",len,0,1));
 }
 
 void iguana_gotverack(struct iguana_info *coin,struct iguana_peer *addr)
@@ -185,7 +185,7 @@ void iguana_gotverack(struct iguana_info *coin,struct iguana_peer *addr)
     {
         printf("gotverack from %s\n",addr->ipaddr);
         addr->A.nTime = (uint32_t)time(NULL);
-        iguana_queue_send(coin,addr,serialized,"getaddr",0,0,0);
+        iguana_queue_send(coin,addr,0,serialized,"getaddr",0,0,0);
     }
 }
 
@@ -204,8 +204,8 @@ void iguana_gotping(struct iguana_info *coin,struct iguana_peer *addr,uint64_t n
     len = iguana_rwnum(1,&serialized[sizeof(struct iguana_msghdr)],sizeof(uint64_t),&nonce);
     if ( memcmp(data,&serialized[sizeof(struct iguana_msghdr)],sizeof(nonce)) != 0 )
         printf("ping ser error %llx != %llx\n",(long long)nonce,*(long long *)data);
-    iguana_queue_send(coin,addr,serialized,"pong",len,0,0);
-    iguana_queue_send(coin,addr,serialized,"getaddr",0,0,0);
+    iguana_queue_send(coin,addr,0,serialized,"pong",len,0,0);
+    iguana_queue_send(coin,addr,0,serialized,"getaddr",0,0,0);
 }
 
 int32_t iguana_send_ping(struct iguana_info *coin,struct iguana_peer *addr)
@@ -220,8 +220,8 @@ int32_t iguana_send_ping(struct iguana_info *coin,struct iguana_peer *addr)
     printf("pingnonce.%llx\n",(long long)nonce);
     len = iguana_rwnum(1,&serialized[sizeof(struct iguana_msghdr)],sizeof(uint64_t),&nonce);
     if ( addr->supernet != 0 )
-        iguana_send_supernet(coin,addr,"{\"agent\":\"SuperNET\",\"method\":\"getpeers\"}");
-    return(iguana_queue_send(coin,addr,serialized,"ping",len,0,0));
+        iguana_send_supernet(coin,addr,"{\"agent\":\"SuperNET\",\"method\":\"getpeers\"}",(rand() % 10000));
+    return(iguana_queue_send(coin,addr,0,serialized,"ping",len,0,0));
 }
 
 void iguana_gotpong(struct iguana_info *coin,struct iguana_peer *addr,uint64_t nonce)
@@ -411,7 +411,7 @@ int32_t iguana_send_hashes(struct iguana_info *coin,char *command,struct iguana_
         nVersion = 0;
         len = iguana_rwblockhash(1,&serialized[sizeof(struct iguana_msghdr)],&nVersion,&varint,hashes,&stophash);
         //printf("%s send_hashes.%d %s height.%d\n",addr->ipaddr,n,bits256_str(hashes[0]),iguana_height(coin,hashes[0]));
-        retval = iguana_queue_send(coin,addr,serialized,command,len,0,0);
+        retval = iguana_queue_send(coin,addr,0,serialized,command,len,0,0);
         myfree(serialized,size);
     } else printf("iguana_send_hashes: unexpected n.%d\n",n);
     return(retval);
@@ -420,7 +420,7 @@ int32_t iguana_send_hashes(struct iguana_info *coin,char *command,struct iguana_
 int32_t iguana_parser(struct iguana_info *coin,struct iguana_peer *addr,struct OS_memspace *rawmem,struct OS_memspace *txmem,struct OS_memspace *hashmem,struct iguana_msghdr *H,uint8_t *data,int32_t recvlen)
 {
     uint8_t serialized[512]; char *retstr;
-    int32_t i,retval,srvmsg,bloom,intvectors,len= -100; uint64_t nonce,x; uint32_t type; bits256 hash2;
+    int32_t i,retval,delay,srvmsg,bloom,intvectors,len= -100; uint64_t nonce,x; uint32_t type; bits256 hash2;
     bloom = intvectors = srvmsg = -1;
     if ( addr != 0 )
     {
@@ -433,10 +433,10 @@ int32_t iguana_parser(struct iguana_info *coin,struct iguana_peer *addr,struct O
     {
         printf("GOT.(%s) len.%d from %s\n",H->command,recvlen,addr->ipaddr);
         len = recvlen;
-        if ( (retstr= SuperNET_p2p(coin,addr->ipaddr,data,recvlen)) != 0 )
+        if ( (retstr= SuperNET_p2p(coin,&delay,addr->ipaddr,data,recvlen)) != 0 )
         {
-            iguana_send_supernet(coin,addr,retstr);
-            free(retstr); // dont respond immediate due to privacy
+            iguana_send_supernet(coin,addr,retstr,delay);
+            free(retstr);
         }
     }
     else if ( strcmp(H->command,"version") == 0 )
@@ -471,7 +471,7 @@ int32_t iguana_parser(struct iguana_info *coin,struct iguana_peer *addr,struct O
                 iguana_gotping(coin,addr,nonce,data);
                 addr->msgcounts.ping++;
             }
-            iguana_queue_send(coin,addr,serialized,"getaddr",0,0,0);
+            iguana_queue_send(coin,addr,0,serialized,"getaddr",0,0,0);
         }
     }
     else if ( strcmp(H->command,"pong") == 0 )
@@ -484,7 +484,7 @@ int32_t iguana_parser(struct iguana_info *coin,struct iguana_peer *addr,struct O
         } else printf("unexpected pong recvlen.%d\n",recvlen);
         if ( len == recvlen && addr != 0 )
             addr->msgcounts.pong++;
-        iguana_queue_send(coin,addr,serialized,"getaddr",0,0,0);
+        iguana_queue_send(coin,addr,0,serialized,"getaddr",0,0,0);
     }
     else if ( strcmp(H->command,"addr") == 0 )
     {
diff --git a/iguana/iguana_peers.c b/iguana/iguana_peers.c
index 15169eff3..13482f25d 100755
--- a/iguana/iguana_peers.c
+++ b/iguana/iguana_peers.c
@@ -384,7 +384,7 @@ int32_t iguana_send(struct iguana_info *coin,struct iguana_peer *addr,uint8_t *s
     return(len);
 }
 
-int32_t iguana_queue_send(struct iguana_info *coin,struct iguana_peer *addr,uint8_t *serialized,char *cmd,int32_t len,int32_t getdatablock,int32_t forceflag)
+int32_t iguana_queue_send(struct iguana_info *coin,struct iguana_peer *addr,int32_t delay,uint8_t *serialized,char *cmd,int32_t len,int32_t getdatablock,int32_t forceflag)
 {
     struct iguana_packet *packet; int32_t datalen;
     if ( addr == 0 )
@@ -401,6 +401,12 @@ int32_t iguana_queue_send(struct iguana_info *coin,struct iguana_peer *addr,uint
     packet = mycalloc('S',1,sizeof(struct iguana_packet) + datalen);
     packet->datalen = datalen;
     packet->addr = addr;
+    if ( delay != 0 )
+    {
+        if ( delay > IGUANA_MAXDELAY_MILLIS )
+            delay = IGUANA_MAXDELAY_MILLIS;
+        packet->embargo = tai_now();
+    }
     memcpy(packet->serialized,serialized,datalen);
     //printf("%p queue send.(%s) %d to (%s) %x\n",packet,serialized+4,datalen,addr->ipaddr,addr->ipbits);
     queue_enqueue("sendQ",&addr->sendQ,&packet->DL,0);
@@ -732,12 +738,14 @@ int32_t iguana_pollsendQ(struct iguana_info *coin,struct iguana_peer *addr)
             printf("unexpected getdata for %s\n",addr->ipaddr);
             myfree(packet,sizeof(*packet) + packet->datalen);
         }
-        else
+        else if ( packet->embargo.x == 0 )
         {
+            
             iguana_send(coin,addr,packet->serialized,packet->datalen);
             myfree(packet,sizeof(*packet) + packet->datalen);
             return(1);
         }
+        else queue_enqueue("embargo",&addr->sendQ,&packet->DL,0);
     }
     return(0);
 }
@@ -890,7 +898,7 @@ void iguana_dedicatedloop(struct iguana_info *coin,struct iguana_peer *addr)
     buf = mycalloc('r',1,bufsize);
     //printf("send version myservices.%llu\n",(long long)coin->myservices);
     iguana_send_version(coin,addr,coin->myservices);
-    iguana_queue_send(coin,addr,serialized,"getaddr",0,0,0);
+    iguana_queue_send(coin,addr,0,serialized,"getaddr",0,0,0);
   //printf("after send version\n");
     run = 0;
     while ( addr->usock >= 0 && addr->dead == 0 && coin->peers.shuttingdown == 0 )
diff --git a/iguana/iguana_rpc.c b/iguana/iguana_rpc.c
index be2633eba..266ee1d55 100755
--- a/iguana/iguana_rpc.c
+++ b/iguana/iguana_rpc.c
@@ -498,15 +498,3 @@ char *ramchain_parser(struct iguana_agent *agent,struct iguana_info *coin,char *
     }
     return(ramchain_coinparser(coin,method,json));
 }
-
-char *SuperNET_p2p(struct iguana_info *coin,char *ipaddr,uint8_t *data,int32_t datalen)
-{
-    cJSON *json; char *retstr = 0;
-    if ( (json= cJSON_Parse((char *)data)) != 0 )
-    {
-        printf("GOT >>>>>>>> SUPERNET P2P.(%s)\n",(char *)data);
-        retstr = iguana_JSON(coin,(char *)data,ipaddr);
-        free_json(json);
-    }
-    return(retstr);
-}
diff --git a/iguana/main.c b/iguana/main.c
index 632684375..3cb3240ad 100644
--- a/iguana/main.c
+++ b/iguana/main.c
@@ -47,9 +47,9 @@ void *iguana(void *arg)
 #else
         arg = 0;//"{\"coins\":[{\"name\":\"BTCD\",\"maxpeers\":128,\"initialheight\":400000,\"services\":1,\"peers\":[\"127.0.0.1\"]}]}";
 #endif
+    PostMessage("iguana start.(%s)\n",(char *)arg);
     while ( initflag == 0 )
         sleep(1);
-    PostMessage("iguana start.(%s)\n",(char *)arg);
     iguana_main(arg);
     return(0);
 }