diff --git a/iguana/iguana_blocks.c b/iguana/iguana_blocks.c
index fdfffe915..893b7ddb6 100755
--- a/iguana/iguana_blocks.c
+++ b/iguana/iguana_blocks.c
@@ -537,8 +537,6 @@ struct iguana_block *_iguana_chainlink(struct iguana_info *coin,struct iguana_bl
         return(0);
     iguana_blocksizecheck("chainlink new",coin->chain->zcash,newblock);
     hwmchain = (struct iguana_block *)&coin->blocks.hwmchain;
-    if ( 0 && hwmchain->height > 0 && ((bp= coin->current) == 0 || hwmchain->height/coin->chain->bundlesize > bp->hdrsi+0*bp->isRT) )
-        return(0);
     if ( (block= iguana_blockfind("chainlink",coin,newblock->RO.hash2)) != 0 )
     {
         if ( block->RO.timestamp == 0 )
@@ -550,6 +548,11 @@ struct iguana_block *_iguana_chainlink(struct iguana_info *coin,struct iguana_bl
         {
             if ( memcmp(prev->RO.hash2.bytes,coin->blocks.hwmchain.RO.hash2.bytes,sizeof(bits256)) == 0 )
                 prev->mainchain = 1;
+            if ( prev->valid == 0 && iguana_blockvalidate(coin,&valid,prev,0) < 0  )
+            {
+                char str[65]; printf("(%s) notready v.%d m.%d h.%d\n",bits256_str(str,prev->RO.hash2),prev->valid,prev->mainchain,prev->height);
+                return(0);
+            } else prev->valid = 1;
             if ( prev->valid != 0 && prev->mainchain != 0 && prev->height >= 0 )
             {
                 prevPoW = prev->PoW;
@@ -563,23 +566,18 @@ struct iguana_block *_iguana_chainlink(struct iguana_info *coin,struct iguana_bl
                 }*/
                 height = prev->height + 1;
             }
-            else
-            {
-                //char str[65]; printf("(%s) notready v.%d m.%d h.%d\n",bits256_str(str,prev->RO.hash2),prev->valid,prev->mainchain,prev->height);
-                return(0);
-            }
         }
         else
         {
             char str[65];
-            if ( 0 && bits256_nonz(block->RO.prev_block) != 0 )
+            //if ( 0 && bits256_nonz(block->RO.prev_block) != 0 )
                 printf("chainlink error: cant find prev.(%s)\n",bits256_str(str,block->RO.prev_block));
             iguana_blockunmark(coin,block,0,-1,0);
             //memset(&block->RO.prev_block.bytes,0,sizeof(block->RO.prev_block));
             //getchar();
             return(0);
         }
-        //char str[65]; printf("extend? %s.h%d: %.15f vs %.15f ht.%d vs %d\n",bits256_str(str,block->RO.hash2),height,block->PoW,coin->blocks.hwmchain.PoW,height,coin->blocks.hwmchain.height);
+        char str[65]; printf("extend? %s.h%d: %.15f vs %.15f ht.%d vs %d\n",bits256_str(str,block->RO.hash2),height,block->PoW,coin->blocks.hwmchain.PoW,height,coin->blocks.hwmchain.height);
         if ( iguana_blockvalidate(coin,&valid,newblock,0) < 0 || valid == 0 )
             return(0);
         block->height = height;