diff --git a/iguana/exchanges/LP_include.h b/iguana/exchanges/LP_include.h
index 3265b648f..e273515a6 100644
--- a/iguana/exchanges/LP_include.h
+++ b/iguana/exchanges/LP_include.h
@@ -163,7 +163,7 @@ struct basilisk_rawtxinfo
 {
     char destaddr[64],coinstr[16];
     bits256 txid,signedtxid,actualtxid;
-    uint64_t amount,change,inputsum;
+    int64_t amount,change,inputsum;
     int32_t redeemlen,datalen,completed,vintype,vouttype,numconfirms,spendlen,secretstart,suppress_pubkeys;
     uint32_t locktime,crcs[2];
     uint8_t addrtype,pubkey33[33],rmd160[20];
@@ -172,7 +172,7 @@ struct basilisk_rawtxinfo
 struct basilisk_request
 {
     uint32_t requestid,timestamp,quoteid,quotetime; // 0 to 15
-    uint64_t srcamount,unused; // 16 to 31
+    int64_t srcamount,unused; // 16 to 31
     bits256 srchash; // 32 to 63
     bits256 desthash;
     char src[8],dest[8];
@@ -199,7 +199,7 @@ struct basilisk_swapinfo
     bits256 myhash,otherhash,orderhash;
     uint32_t statebits,otherstatebits,started,expiration,finished,dead,reftime,putduration,callduration;
     int32_t bobconfirms,aliceconfirms,iambob,reclaimed,bobspent,alicespent,pad,aliceistrusted,bobistrusted,otheristrusted,otherstrust,alicemaxconfirms,bobmaxconfirms;
-    uint64_t alicesatoshis,bobsatoshis,bobinsurance,aliceinsurance,Atxfee,Btxfee;
+    int64_t alicesatoshis,bobsatoshis,bobinsurance,aliceinsurance,Atxfee,Btxfee;
     
     bits256 myprivs[2],mypubs[2],otherpubs[2],pubA0,pubA1,pubB0,pubB1,privAm,pubAm,privBn,pubBn;
     uint32_t crcs_mypub[2],crcs_mychoosei[2],crcs_myprivs[2],crcs_mypriv[2];
diff --git a/iguana/exchanges/LP_ordermatch.c b/iguana/exchanges/LP_ordermatch.c
index 87df64790..8002c9420 100644
--- a/iguana/exchanges/LP_ordermatch.c
+++ b/iguana/exchanges/LP_ordermatch.c
@@ -509,7 +509,7 @@ char *LP_connectedalice(cJSON *argjson) // alice
             //timeout = 1;
             //nn_setsockopt(pairsock,NN_SOL_SOCKET,NN_SNDTIMEO,&timeout,sizeof(timeout));
             //nn_setsockopt(pairsock,NN_SOL_SOCKET,NN_RCVTIMEO,&timeout,sizeof(timeout));
-            LP_requestinit(&Q.R,Q.srchash,Q.desthash,Q.srccoin,Q.satoshis-2*Q.txfee,Q.destcoin,Q.destsatoshis-2*Q.desttxfee,Q.timestamp,Q.quotetime,DEXselector);
+            LP_requestinit(&Q.R,Q.srchash,Q.desthash,Q.srccoin,Q.satoshis-Q.txfee,Q.destcoin,Q.destsatoshis-Q.desttxfee,Q.timestamp,Q.quotetime,DEXselector);
             swap = LP_swapinit(0,0,Q.privkey,&Q.R,&Q);
             swap->tradeid = Q.tradeid;
             swap->N.pair = pairsock;
diff --git a/iguana/exchanges/LP_swap.c b/iguana/exchanges/LP_swap.c
index b631f22e6..68fdea1ae 100644
--- a/iguana/exchanges/LP_swap.c
+++ b/iguana/exchanges/LP_swap.c
@@ -996,15 +996,31 @@ struct basilisk_swap *bitcoin_swapinit(bits256 privkey,uint8_t *pubkey33,bits256
 {
     //FILE *fp; char fname[512];
     uint8_t *alicepub33=0,*bobpub33=0; int32_t jumblrflag=-2,x = -1; struct iguana_info *coin;
-    swap->I.Atxfee = qp->desttxfee;
-    swap->I.Btxfee = qp->txfee;
+    if ( (swap->I.Atxfee= qp->desttxfee) < 0 )
+    {
+        printf("bitcoin_swapinit %s Atxfee %.8f rejected\n",swap->I.req.dest,dstr(swap->I.Atxfee));
+        return(0);
+    }
+    if ( (swap->I.Btxfee= qp->txfee) < 0 )
+    {
+        printf("bitcoin_swapinit %s Btxfee %.8f rejected\n",swap->I.req.src,dstr(swap->I.Btxfee));
+        return(0);
+    }
     swap->I.putduration = swap->I.callduration = INSTANTDEX_LOCKTIME;
     if ( optionduration < 0 )
         swap->I.putduration -= optionduration;
     else if ( optionduration > 0 )
         swap->I.callduration += optionduration;
-    swap->I.bobsatoshis = swap->I.req.srcamount;
+    if ( (swap->I.bobsatoshis= swap->I.req.srcamount) <= 0 )
+    {
+        printf("bitcoin_swapinit %s bobsatoshis %.8f rejected\n",swap->I.req.src,dstr(swap->I.bobsatoshis));
+        return(0);
+    }
     swap->I.alicesatoshis = swap->I.req.destamount;
+    {
+        printf("bitcoin_swapinit %s alicesatoshis %.8f rejected\n",swap->I.req.dest,dstr(swap->I.alicesatoshis));
+        return(0);
+    }
     if ( (swap->I.bobinsurance= (swap->I.bobsatoshis / INSTANTDEX_INSURANCEDIV)) < LP_MIN_TXFEE )
         swap->I.bobinsurance = LP_MIN_TXFEE;
     if ( (swap->I.aliceinsurance= (swap->I.alicesatoshis / INSTANTDEX_INSURANCEDIV)) < LP_MIN_TXFEE )