Merge pull request #731 from evoskuil/master

Disable set_confirmable().

Author: evoskuil

src/chasers/chaser_confirm.cpp

@@ -231,11 +231,13 @@ void chaser_confirm::do_bump(height_t) NOEXCEPT
                 return;
             }
 
-            if (!query.set_block_confirmable(link))
-            {
-                fault(error::confirm5);
-                return;
-            }
+            // This is not necessary and may overflow the table link. Faster to
+            // never do it and redo a tiny number of blocks in case of reorg.
+            ////if (!query.set_block_confirmable(link))
+            ////{
+            ////    fault(error::confirm5);
+            ////    return;
+            ////}
 
             // Set after if using prevout table.
             if (prevout_ && !query.set_strong(link))