diff --git a/iguana/exchanges/LP_cache.c b/iguana/exchanges/LP_cache.c
index 6179b3fe1..924f839d5 100644
--- a/iguana/exchanges/LP_cache.c
+++ b/iguana/exchanges/LP_cache.c
@@ -35,26 +35,48 @@ cJSON *LP_transaction_fromdata(struct iguana_info *coin,bits256 txid,uint8_t *se
     return(txobj);
 }
 
-cJSON *LP_cache_transaction(struct iguana_info *coin,bits256 txid,uint8_t *serialized,int32_t len)
+cJSON *LP_create_transaction(struct iguana_info *coin,bits256 txid,uint8_t *serialized,int32_t len,int32_t height)
 {
-    cJSON *txobj; struct LP_transaction *tx;
+    cJSON *txobj; bits256 spenttxid; int32_t i,spentvout,numvins,numvouts; cJSON *vout,*vin,*vins,*vouts; struct LP_transaction *tx; char str[65];
     if ( (txobj= LP_transaction_fromdata(coin,txid,serialized,len)) != 0 )
     {
-        if ( (tx= LP_transactionfind(coin,txid)) == 0 || tx->serialized == 0 )
+        vins = jarray(&numvins,txobj,"vin");
+        vouts = jarray(&numvouts,txobj,"vout");
+        tx = LP_transactionadd(coin,txid,height,numvouts,numvins);
+        printf("tx.%p vins.(%s) vouts.(%s)\n",tx,jprint(vins,0),jprint(vouts,0));
+        for (i=0; i<numvouts; i++)
         {
-            txobj = LP_transactioninit(coin,txid,0,txobj);
-            LP_transactioninit(coin,txid,1,txobj);
-            tx = LP_transactionfind(coin,txid);
+            vout = jitem(vouts,i);
+            tx->outpoints[i].value = LP_value_extract(vout,0);
+            tx->outpoints[i].interest = SATOSHIDEN * jdouble(vout,"interest");
+            LP_destaddr(tx->outpoints[i].coinaddr,vout);
+            printf("from transaction init %s %s %s/v%d <- %.8f\n",coin->symbol,tx->outpoints[i].coinaddr,bits256_str(str,txid),i,dstr(tx->outpoints[i].value));
+            LP_address_utxoadd("LP_transactioninit iter0",coin,tx->outpoints[i].coinaddr,txid,i,tx->outpoints[i].value,height,-1);
         }
-        if ( tx != 0 )
+        for (i=0; i<numvins; i++)
         {
-            tx->serialized = serialized;
-            tx->len = len;
-        }
-        else
-        {
-            char str[65]; printf("unexpected couldnt find tx %s %s\n",coin->symbol,bits256_str(str,txid));
-            free(serialized);
+            vin = jitem(vins,i);
+            spenttxid = jbits256(vin,"txid");
+            spentvout = jint(vin,"vout");
+            if ( i == 0 && bits256_nonz(spenttxid) == 0 )
+                continue;
+            if ( (tx= LP_transactionfind(coin,spenttxid)) != 0 )
+            {
+                if ( spentvout < tx->numvouts )
+                {
+                    if ( tx->outpoints[spentvout].spendheight <= 0 )
+                    {
+                        tx->outpoints[spentvout].spendtxid = txid;
+                        tx->outpoints[spentvout].spendvini = i;
+                        tx->outpoints[spentvout].spendheight = height > 0 ? height : 1;
+                        LP_address_utxoadd("LP_transactioninit iter1",coin,tx->outpoints[spentvout].coinaddr,spenttxid,spentvout,tx->outpoints[spentvout].value,-1,height>0?height:1);
+                        if ( 0 && strcmp(coin->symbol,"REVS") == 0 )
+                            printf("spend %s %s/v%d at ht.%d\n",coin->symbol,bits256_str(str,tx->txid),spentvout,height);
+                    }
+                } else printf("LP_transactioninit: %s spentvout.%d < numvouts.%d spendheight.%d\n",bits256_str(str,spenttxid),spentvout,tx->numvouts,tx->outpoints[spentvout].spendheight);
+            } //else printf("LP_transactioninit: couldnt find (%s) ht.%d %s\n",bits256_str(str,spenttxid),height,jprint(vin,0));
+            if ( bits256_cmp(spenttxid,txid) == 0 )
+                printf("spending same tx's %p vout ht.%d %s.[%d] s%d\n",tx,height,bits256_str(str,txid),tx!=0?tx->numvouts:0,spentvout);
         }
     }
     return(txobj);
@@ -96,7 +118,7 @@ int32_t LP_cacheitem(struct iguana_info *coin,struct LP_transaction *tx,long rem
             n = tx->len;
             while ( (n & 7) != 0 )
                 n++;
-            if ( (txobj= LP_cache_transaction(coin,tx->txid,serialized,tx->len)) != 0 )
+            if ( (txobj= LP_create_transaction(coin,tx->txid,serialized,tx->len,tx->height)) != 0 )
                 free_json(txobj);
             return(offset + n);
         }
diff --git a/iguana/exchanges/LP_include.h b/iguana/exchanges/LP_include.h
index c5608a125..b5f98b3d1 100644
--- a/iguana/exchanges/LP_include.h
+++ b/iguana/exchanges/LP_include.h
@@ -410,6 +410,7 @@ int32_t LP_reserved_msg(int32_t priority,char *base,char *rel,bits256 pubkey,cha
 struct iguana_info *LP_coinfind(char *symbol);
 int32_t LP_crc32find(int32_t *duplicatep,int32_t ind,uint32_t crc32);
 char *LP_pricepings(void *ctx,char *myipaddr,int32_t pubsock,char *base,char *rel,double price);
+struct LP_transaction *LP_transactionadd(struct iguana_info *coin,bits256 txid,int32_t height,int32_t numvouts,int32_t numvins);
 void LP_tradebot_finished(uint32_t tradeid,uint32_t requestid,uint32_t quoteid);
 uint64_t LP_txfeecalc(struct iguana_info *coin,uint64_t txfee,int32_t txlen);
 struct LP_address *_LP_address(struct iguana_info *coin,char *coinaddr);
diff --git a/iguana/exchanges/LP_socket.c b/iguana/exchanges/LP_socket.c
index 77f790c53..c34c04ee7 100644
--- a/iguana/exchanges/LP_socket.c
+++ b/iguana/exchanges/LP_socket.c
@@ -662,6 +662,31 @@ cJSON *electrum_getheader(char *symbol,struct electrum_info *ep,cJSON **retjsonp
     return(electrum_intarg(symbol,ep,retjsonp,"blockchain.block.get_header",n,ELECTRUM_TIMEOUT));
 }
 
+cJSON *LP_cache_transaction(struct iguana_info *coin,bits256 txid,uint8_t *serialized,int32_t len)
+{
+    cJSON *txobj; struct LP_transaction *tx;
+    if ( (txobj= LP_transaction_fromdata(coin,txid,serialized,len)) != 0 )
+    {
+        if ( (tx= LP_transactionfind(coin,txid)) == 0 || tx->serialized == 0 )
+        {
+            txobj = LP_transactioninit(coin,txid,0,txobj);
+            LP_transactioninit(coin,txid,1,txobj);
+            tx = LP_transactionfind(coin,txid);
+        }
+        if ( tx != 0 )
+        {
+            tx->serialized = serialized;
+            tx->len = len;
+        }
+        else
+        {
+            char str[65]; printf("unexpected couldnt find tx %s %s\n",coin->symbol,bits256_str(str,txid));
+            free(serialized);
+        }
+    }
+    return(txobj);
+}
+
 cJSON *_electrum_transaction(char *symbol,struct electrum_info *ep,cJSON **retjsonp,bits256 txid)
 {
     char *hexstr,str[65]; int32_t len; cJSON *hexjson,*txobj=0; struct iguana_info *coin; uint8_t *serialized; struct LP_transaction *tx;