diff --git a/basilisk/basilisk_DEX.c b/basilisk/basilisk_DEX.c
index 607d32099..bc8b69ed5 100755
--- a/basilisk/basilisk_DEX.c
+++ b/basilisk/basilisk_DEX.c
@@ -681,19 +681,19 @@ HASH_ARRAY_STRING(InstantDEX,request,hash,vals,hexstr)
     } else printf("error creating request\n");
     if ( datalen > 0 )
     {
-        uint32_t msgid,crc=0,crcs[2],numiters = 0; uint8_t buf[4096];
+        uint32_t msgid,crc=0;//,crcs[2],numiters = 0; uint8_t buf[4096];
         memset(hash.bytes,0,sizeof(hash));
         msgid = (uint32_t)time(NULL);
         DEX_channel = 'D' + ((uint32_t)'E' << 8) + ((uint32_t)'X' << 16);
         basilisk_channelsend(myinfo,myinfo->myaddr.persistent,hash,DEX_channel,msgid,serialized,datalen,60);
         sleep(3);
-        while ( numiters < 10 && (crc= basilisk_crcsend(myinfo,0,buf,sizeof(buf),hash,myinfo->myaddr.persistent,DEX_channel,msgid,serialized,datalen,crcs)) == 0 )
+        /*while ( numiters < 10 && (crc= basilisk_crcsend(myinfo,0,buf,sizeof(buf),hash,myinfo->myaddr.persistent,DEX_channel,msgid,serialized,datalen,crcs)) == 0 )
         {
             //printf("didnt get back what was sent\n");
             sleep(3);
             basilisk_channelsend(myinfo,myinfo->myaddr.persistent,hash,DEX_channel,msgid,serialized,datalen,60);
             numiters++;
-        }
+        }*/
         if ( crc != 0 )//basilisk_channelsend(myinfo,R.srchash,R.desthash,DEX_channel,(uint32_t)time(NULL),serialized,datalen,30) == 0 )
             return(clonestr("{\"result\":\"DEX message sent\"}"));
         else return(clonestr("{\"error\":\"DEX message couldnt be sent\"}"));
diff --git a/basilisk/basilisk_MSG.c b/basilisk/basilisk_MSG.c
index e80e37f73..12f3367dd 100755
--- a/basilisk/basilisk_MSG.c
+++ b/basilisk/basilisk_MSG.c
@@ -335,7 +335,7 @@ int32_t basilisk_channelsend(struct supernet_info *myinfo,bits256 srchash,bits25
         jaddnum(valsobj,"timeout",1000);
         jaddbits256(valsobj,"srchash",srchash);
         jaddbits256(valsobj,"desthash",desthash);
-        //char str[65]; printf("sendmessage.[%d] channel.%u msgid.%x -> %s numrelays.%d\n",datalen,channel,msgid,bits256_str(str,desthash),myinfo->NOTARY.NUMRELAYS);
+        char str[65]; printf("sendmessage.[%d] channel.%u msgid.%x -> %s numrelays.%d\n",datalen,channel,msgid,bits256_str(str,desthash),myinfo->NOTARY.NUMRELAYS);
         if ( (retstr= basilisk_sendmessage(myinfo,0,0,0,desthash,valsobj,hexstr)) != 0 )
             free(retstr);
         free_json(valsobj);
@@ -386,7 +386,7 @@ cJSON *basilisk_channelget(struct supernet_info *myinfo,bits256 srchash,bits256
     jaddbits256(valsobj,"desthash",desthash);
     if ( (retstr= basilisk_getmessage(myinfo,0,0,0,desthash,valsobj,0)) != 0 )
     {
-        //printf("channel.%u msgid.%u gotmessage.(%d)\n",channel,msgid,(int32_t)strlen(retstr));
+        printf("channel.%u msgid.%u gotmessage.(%d)\n",channel,msgid,(int32_t)strlen(retstr));
         if ( (retarray= cJSON_Parse(retstr)) != 0 )
         {
             if ( is_cJSON_Array(retarray) == 0 )
diff --git a/basilisk/basilisk_bitcoin.c b/basilisk/basilisk_bitcoin.c
index e42ab5146..ea1574e31 100755
--- a/basilisk/basilisk_bitcoin.c
+++ b/basilisk/basilisk_bitcoin.c
@@ -567,12 +567,12 @@ int64_t iguana_esttxfee(struct supernet_info *myinfo,struct iguana_info *coin,ch
         coin->estimatedfee = iguana_getestimatedfee(myinfo,coin);
     if ( signedtx != 0 )
     {
-        txfee = coin->estimatedfee * (strlen(signedtx) + numvins);
+        txfee = coin->estimatedfee * (strlen(signedtx)/2 + numvins);
         free(signedtx);
     }
     else if ( rawtx != 0 )
     {
-        txfee = coin->estimatedfee * (strlen(rawtx) + numvins * 110);
+        txfee = coin->estimatedfee * (strlen(rawtx)/2 + numvins * 110);
         free(rawtx);
     }
     return(txfee);
@@ -748,7 +748,7 @@ char *iguana_utxorawtx(struct supernet_info *myinfo,struct iguana_info *coin,int
 
 char *basilisk_bitcoinrawtx(struct supernet_info *myinfo,struct iguana_info *coin,char *remoteaddr,uint32_t basilisktag,int32_t timeoutmillis,cJSON *valsobj,struct vin_info *V)
 {
-    uint8_t buf[4096]; int32_t oplen,offset,minconf,spendlen; cJSON *vins,*addresses,*txobj = 0; uint32_t locktime; char *opreturn,*spendscriptstr,*changeaddr,*rawtx = 0; int64_t amount,txfee,burnamount;
+    uint8_t buf[4096]; int32_t oplen,len,offset,minconf,spendlen; cJSON *vins,*addresses,*txobj = 0; uint32_t locktime; char *opreturn,*spendscriptstr,*changeaddr,*rawtx = 0; int64_t amount,txfee,burnamount;
     if ( valsobj == 0 )
         return(clonestr("{\"error\":\"null valsobj\"}"));
     //if ( myinfo->IAMNOTARY != 0 || myinfo->NOTARY.RELAYID >= 0 )
@@ -798,7 +798,13 @@ char *basilisk_bitcoinrawtx(struct supernet_info *myinfo,struct iguana_info *coi
                 } else oplen = datachain_opreturnscript(coin,buf,opreturn,oplen);
             }
             rawtx = iguana_calcrawtx(myinfo,coin,&vins,txobj,amount,changeaddr,txfee,addresses,minconf,oplen!=0?buf:0,oplen+offset,burnamount,remoteaddr,V,0);
-            //printf("generated.(%s) vins.(%s)\n",rawtx!=0?rawtx:"",vins!=0?jprint(vins,0):"");
+            if ( txfee == 0 )
+            {
+                txfee = iguana_esttxfee(myinfo,coin,rawtx,0,vins != 0 ? cJSON_GetArraySize(vins): 0);
+                rawtx = iguana_calcrawtx(myinfo,coin,&vins,txobj,amount,changeaddr,txfee,addresses,minconf,oplen!=0?buf:0,oplen+offset,burnamount,remoteaddr,V,0);
+                printf("new txfee %.8f\n",dstr(txfee));
+            }
+            printf("generated.(%s) vins.(%s)\n",rawtx!=0?rawtx:"",vins!=0?jprint(vins,0):"");
         }
         if ( rawtx != 0 )
         {
diff --git a/basilisk/jumblr.c b/basilisk/jumblr.c
index 841fc3432..9f7e972c1 100755
--- a/basilisk/jumblr.c
+++ b/basilisk/jumblr.c
@@ -366,9 +366,9 @@ bits256 jumblr_privkey(struct supernet_info *myinfo,char *BTCaddr,char *KMDaddr,
 
 void jumblr_DEXcheck(struct supernet_info *myinfo,struct iguana_info *coinkmd,char *BTCaddr,char *KMDaddr,bits256 privkey)
 {
-    static double kmdprice; static uint32_t lasttime;
-    double btcavail=0,minbtc,avebid,aveask,highbid,lowask,CMC_average,USD_average,changes[3]; struct iguana_info *coinbtc = iguana_coinfind("BTC");
-    printf("DEXcheck %p\n",coinbtc);
+    static double kmdprice,pending; static uint32_t lasttime;
+    double btcavail=0,minbtc,avebid,aveask,highbid,lowask,CMC_average,USD_average,changes[3]; struct iguana_info *coinbtc; cJSON *vals; bits256 hash; char *retstr;
+    coinbtc = iguana_coinfind("BTC");
     if ( kmdprice == 0. || time(NULL) > lasttime+600 )
     {
         kmdprice = get_theoretical(&avebid,&aveask,&highbid,&lowask,&CMC_average,changes,"komodo","KMD","BTC",&USD_average);
@@ -378,9 +378,22 @@ void jumblr_DEXcheck(struct supernet_info *myinfo,struct iguana_info *coinkmd,ch
     if ( kmdprice > SMALLVAL )
     {
         minbtc = (kmdprice * 1.1) * (JUMBLR_INCR + 3*(JUMBLR_INCR * JUMBLR_FEE + JUMBLR_TXFEE));
-        if ( coinbtc != 0 && (btcavail= dstr(jumblr_balance(myinfo,coinbtc,BTCaddr))) > minbtc )
+        if ( coinbtc != 0 && (btcavail= dstr(jumblr_balance(myinfo,coinbtc,BTCaddr))) > minbtc+pending )
         {
             printf("BTC deposits %.8f, min %.8f\n",btcavail,minbtc);
+            vals = cJSON_CreateObject();
+            jaddstr(vals,"source","BTC");
+            jaddstr(vals,"dest","KMD");
+            jaddnum(vals,"amount",btcavail*.95);
+            jaddnum(vals,"minprice",kmdprice*.95);
+            memset(hash.bytes,0,sizeof(hash));
+            pending = btcavail;
+            if ( (retstr= InstantDEX_request(myinfo,coinbtc,0,0,hash,vals,"")) != 0 )
+            {
+                printf("request.(%s) -> (%s)\n",jprint(vals,0),retstr);
+                free(retstr);
+            }
+            // curl --url "http://127.0.0.1:7778" --data "{\"agent\":\"InstantDEX\",\"method\":\"request\",\"vals\":{\"source\":\"KMD\",\"amount\":20,\"dest\":\"USD\",\"minprice\":0.08}}"
         } else printf("btcavail %.8f\n",btcavail);
     }
 }
@@ -389,11 +402,11 @@ void jumblr_iteration(struct supernet_info *myinfo,struct iguana_info *coin,int3
 {
     static uint32_t lasttime;
     char BTCaddr[64],KMDaddr[64],*zaddr,*retstr; bits256 privkey; uint64_t amount=0,total=0; double fee; struct jumblr_item *ptr,*tmp; uint8_t r;
-    // if BTC has arrived in deposit address, invoke DEX -> KMD
-    // if BTC has arrived in destination address, invoke DEX -> BTC
     privkey = jumblr_privkey(myinfo,BTCaddr,KMDaddr,JUMBLR_DEPOSITPREFIX);
     if ( time(NULL) > lasttime+60 )
     {
+        // if BTC has arrived in deposit address, invoke DEX -> KMD
+        // if BTC has arrived in destination address, invoke DEX -> BTC
         jumblr_DEXcheck(myinfo,coin,BTCaddr,KMDaddr,privkey);
         lasttime = (uint32_t)time(NULL);
     }
diff --git a/includes/iguana_funcs.h b/includes/iguana_funcs.h
index c6a2e3a3f..7d8e3b679 100755
--- a/includes/iguana_funcs.h
+++ b/includes/iguana_funcs.h
@@ -617,6 +617,7 @@ void iguana_walletinitcheck(struct supernet_info *myinfo,struct iguana_info *coi
 void jumblr_iteration(struct supernet_info *myinfo,struct iguana_info *coin,int32_t selector,int32_t modval);
 bits256 jumblr_privkey(struct supernet_info *myinfo,char *BTCaddr,char *KMDaddr,char *prefix);
 char *jumblr_importprivkey(struct supernet_info *myinfo,struct iguana_info *coin,char *wifstr);
+int64_t iguana_esttxfee(struct supernet_info *myinfo,struct iguana_info *coin,char *rawtx,char *signedtx,int32_t numvins);
 
 // ------------------------------------------------------[ Preparation ]----
 // Initialise a gfshare context for producing shares