log timing for rebuild_index
@@ -1252,18 +1252,29 @@ impl<'a> Extension<'a> {
Ok((output_sum, kernel_sum))
}
- /// Rebuild the index of MMR positions to the corresponding Output and
- /// kernel by iterating over the whole MMR data. This is a costly operation
- /// performed only when we receive a full new chain state.
+ /// Rebuild the index of MMR positions to the corresponding UTXOs.
+ /// This is a costly operation performed only when we receive a full new chain state.
pub fn rebuild_index(&self) -> Result<(), Error> {
+ let now = Instant::now();
+
+ let mut count = 0;
+
for n in 1..self.output_pmmr.unpruned_size() + 1 {
// non-pruned leaves only
if pmmr::bintree_postorder_height(n) == 0 {
if let Some(out) = self.output_pmmr.get_data(n) {
self.batch.save_output_pos(&out.commit, n)?;
+ count += 1;
}
}
}
+
+ debug!(
+ "txhashset: rebuild_index ({} UTXOs), took {}s",
+ count,
+ now.elapsed().as_secs(),
+ );
+
Ok(())
}
