diff --git a/iguana/exchanges/LP_cache.c b/iguana/exchanges/LP_cache.c
index 4423aa7e5..f741bd24f 100644
--- a/iguana/exchanges/LP_cache.c
+++ b/iguana/exchanges/LP_cache.c
@@ -87,8 +87,10 @@ void LP_SPV_store(struct iguana_info *coin,char *coinaddr,bits256 txid,int32_t h
  struct LP_outpoint outpoints[];
  };*/
 
-int32_t LP_cacheitem(struct iguana_info *coin,uint8_t *ptr,long remains)
+int32_t LP_cacheitem(struct iguana_info *coin,struct LP_transaction *tx,long remains)
 {
+    int32_t offset;
+    
     return(-1);
 }
 
@@ -101,13 +103,15 @@ void *LP_cacheptrs_init(FILE **wfp,long *fsizep,struct iguana_info *coin)
         ptr = OS_portable_mapfile(fname,fsizep,0);
         while ( len < *fsizep )
         {
-            if ( (n= LP_cacheitem(coin,&ptr[len],*fsizep - len)) < 0 )
+            if ( (n= LP_cacheitem(coin,(struct LP_transaction *)&ptr[len],*fsizep - len)) < 0 )
             {
                 printf("cacheitem error at %s offset.%ld when fsize.%ld\n",coin->symbol,len,*fsizep);
                 fseek(*wfp,len,SEEK_SET);
                 break;
             }
             len += n;
+            if ( (len & 1) != 0 )
+                printf("odd offset at %ld\n",len);
         }
     }
     return(ptr);
diff --git a/iguana/exchanges/LP_include.h b/iguana/exchanges/LP_include.h
index 6101c6681..a1b7e98ca 100644
--- a/iguana/exchanges/LP_include.h
+++ b/iguana/exchanges/LP_include.h
@@ -239,13 +239,20 @@ struct LP_swap_remember
     char src[64],dest[64],destaddr[64],Adestaddr[64],Sdestaddr[64],alicepaymentaddr[64],bobpaymentaddr[64],bobdepositaddr[64],alicecoin[64],bobcoin[64],*txbytes[sizeof(txnames)/sizeof(*txnames)];
 };
 
-struct LP_outpoint { bits256 spendtxid; uint64_t value,interest; int32_t spendvini,spendheight; char coinaddr[64]; };
+struct LP_outpoint
+{
+    bits256 spendtxid;
+    uint64_t value,interest;
+    int32_t spendvini,spendheight;
+    char coinaddr[56];
+};
 
 struct LP_transaction
 {
     UT_hash_handle hh;
     bits256 txid;
-    int32_t height,numvouts,numvins,len,SPV;
+    int32_t height,len,SPV;
+    uint16_t numvouts,numvins;
     uint8_t *serialized;
     struct LP_outpoint outpoints[];
 };
diff --git a/iguana/exchanges/LP_transaction.c b/iguana/exchanges/LP_transaction.c
index 50e8b2c69..33946846e 100644
--- a/iguana/exchanges/LP_transaction.c
+++ b/iguana/exchanges/LP_transaction.c
@@ -500,7 +500,7 @@ int32_t iguana_signrawtransaction(void *ctx,char *symbol,uint8_t wiftaddr,uint8_
             if ( iguana_rwmsgtx(taddr,pubtype,p2shtype,isPoS,height,0,0,serialized,maxsize,msgtx,&txid,"",extraspace,extralen,vins,V->suppress_pubkeys,zcash) > 0 && numinputs == msgtx->tx_in )
             {
                 memset(pubkeys,0,sizeof(pubkeys));
-                memset(privkeys,0,sizeof(privkeys));
+                memset(privkeys,0,sizeof(*privkeys)*numinputs);
                 if ( (n= cJSON_GetArraySize(privkeysjson)) > 0 )
                 {
                     for (i=0; i<n; i++)