diff --git a/src/komodo_gateway.h b/src/komodo_gateway.h
index 6bf946d6e..ef1937d0c 100644
--- a/src/komodo_gateway.h
+++ b/src/komodo_gateway.h
@@ -643,7 +643,7 @@ int32_t komodo_bannedset(int32_t *indallvoutsp,uint256 *array,int32_t max)
     for (i=0; i<sizeof(banned_txids)/sizeof(*banned_txids); i++)
         array[i] = uint256S(banned_txids[i]);
     *indallvoutsp = i-1;
-    return(0);
+    return(i);
 }
 
 void komodo_passport_iteration();
@@ -670,7 +670,7 @@ int32_t komodo_check_deposit(int32_t height,const CBlock& block) // verify above
             {
                 for (k=0; k<numbanned; k++)
                 {
-                    if ( block.vtx[i].vin[j].prevout.hash == array[k] && (block.vtx[i].vin[j].prevout.n == 1 || j >= indallvouts)  )
+                    if ( block.vtx[i].vin[j].prevout.hash == array[k] && (block.vtx[i].vin[j].prevout.n == 1 || k >= indallvouts)  )
                     {
                         printf("banned tx.%d being used at ht.%d txi.%d vini.%d\n",k,height,i,j);
                         return(-1);
diff --git a/src/main.cpp b/src/main.cpp
index 5b4142369..c0d4ec9a9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -738,7 +738,7 @@ int32_t komodo_validate_interest(uint32_t *expiredp,const CTransaction& tx,int32
                 {
                     prevblocktime = chainActive.Tip()->nTime;
                     fprintf(stderr,"couldnt get prevblocktime for [%d]  tiptime.%u\n",txheight,prevblocktime);
-                    //return(-1);
+                    return(-1);
                 }
             }
         }
@@ -994,7 +994,7 @@ bool CheckTransaction(const CTransaction& tx, CValidationState &state,libzcash::
     {
         for (k=0; k<numbanned; k++)
         {
-            if ( tx.vin[j].prevout.hash == array[k] && (tx.vin[j].prevout.n == 1 || j >= indallvouts) )
+            if ( tx.vin[j].prevout.hash == array[k] && (tx.vin[j].prevout.n == 1 || k >= indallvouts) )
             {
                 static uint32_t counter;
                 if ( counter++ < 100 )
@@ -2407,6 +2407,26 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
     for (unsigned int i = 0; i < block.vtx.size(); i++)
     {
         const CTransaction &tx = block.vtx[i];
+        uint32_t prevtime = 0; CBlockIndex *ptr;
+        if ( (ptr= pindex->pprev) != 0 )
+            prevtime = ptr->nTime;
+        /*if ( chainActive.Tip() != 0 && height == chainActive.Tip()->nHeight+1 )
+            prevtime = chainActive.Tip()->nTime;
+        else if ( pindex != 0 )
+        {
+            if ( (ptr= pindex->pprev) != 0 )
+                prevtime = ptr->nTime;
+        }
+        if ( prevtime == 0 )
+        {
+            if ( height > 0 && (ptr= chainActive[height-1]) != 0 )
+                prevtime = ptr->nTime;
+        }*/
+        if ( komodo_validate_interest(0,tx,pindex->nHeight,prevtime) < 0 )
+        {
+            //fprintf(stderr,"CheckBlock(%d:%d) %d, %u: komodo_validate_interest failure blocksize.%d tiptime.%u %u\n",height,komodo_block2height((CBlock *)&block),pindex!=0?(int32_t)pindex->nHeight:0,pindex!=0?(int32_t)pindex->nTime:0,(int32_t)block.vtx.size(),chainActive.Tip()->nTime,prevtime);
+            return state.DoS(10, error("ConnectBlock(): validate interest failed"),REJECT_INVALID, "bad-apr-calc");
+        }
 
         nInputs += tx.vin.size();
         nSigOps += GetLegacySigOpCount(tx);
@@ -3341,7 +3361,7 @@ bool CheckBlock(int32_t height,CBlockIndex *pindex,const CBlock& block, CValidat
     // Check transactions
     BOOST_FOREACH(const CTransaction& tx, block.vtx)
     {
-        uint32_t prevtime = 0; CBlockIndex *ptr;
+        /*uint32_t prevtime = 0; CBlockIndex *ptr;
         if ( chainActive.Tip() != 0 && height == chainActive.Tip()->nHeight+1 )
             prevtime = chainActive.Tip()->nTime;
         else if ( pindex != 0 )
@@ -3358,7 +3378,7 @@ bool CheckBlock(int32_t height,CBlockIndex *pindex,const CBlock& block, CValidat
         {
             //fprintf(stderr,"CheckBlock(%d:%d) %d, %u: komodo_validate_interest failure blocksize.%d tiptime.%u %u\n",height,komodo_block2height((CBlock *)&block),pindex!=0?(int32_t)pindex->nHeight:0,pindex!=0?(int32_t)pindex->nTime:0,(int32_t)block.vtx.size(),chainActive.Tip()->nTime,prevtime);
             return error("CheckBlock: komodo_validate_interest failed");
-        }
+        }*/
         if (!CheckTransaction(tx, state, verifier))
             return error("CheckBlock(): CheckTransaction failed");
     }
diff --git a/src/miner.cpp b/src/miner.cpp
index 91318d641..c0ab729d4 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -207,8 +207,8 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
                 if ( expired != 0 )
                 {
                     fprintf(stderr,"expire from mempool tx. need to verify this works\n");//(%d %d) %.8f\n",tx.vins.size(),tx.vouts.size(),(double)tx.vouts[0].nValue/COIN);
-                    list<CTransaction> removed;
-                    mempool.remove(tx, removed, true);
+                    //list<CTransaction> removed;
+                    //mempool.remove(tx, removed, true);
                 }
                 continue;
             } //else fprintf(stderr,"coinbase or is finaltx (%d %u)\n",(int32_t)nHeight,(uint32_t)tx.nLockTime);