+
+ /// Notifies the chain listeners of disconnected blocks.
+ fn disconnect_blocks(&mut self, mut disconnected_blocks: Vec<ValidatedBlockHeader>) {
+ for header in disconnected_blocks.drain(..) {
+ if let Some(cached_header) = self.header_cache.block_disconnected(&header.block_hash) {
+ assert_eq!(cached_header, header);
+ }
+ self.chain_listener.block_disconnected(&header.header, header.height);
+ }
+ }
+
+ /// Notifies the chain listeners of connected blocks.
+ async fn connect_blocks<P: Poll>(
+ &mut self,
+ mut new_tip: ValidatedBlockHeader,
+ mut connected_blocks: Vec<ValidatedBlockHeader>,
+ chain_poller: &mut P,
+ ) -> Result<(), (BlockSourceError, Option<ValidatedBlockHeader>)> {
+ for header in connected_blocks.drain(..).rev() {
+ let height = header.height;
+ let block_data = chain_poller
+ .fetch_block(&header).await
+ .or_else(|e| Err((e, Some(new_tip))))?;
+ debug_assert_eq!(block_data.block_hash, header.block_hash);
+
+ match block_data.deref() {
+ BlockData::FullBlock(block) => {
+ self.chain_listener.block_connected(&block, height);
+ },
+ BlockData::HeaderOnly(header) => {
+ self.chain_listener.filtered_block_connected(&header, &[], height);
+ },
+ }
+
+ self.header_cache.block_connected(header.block_hash, header);
+ new_tip = header;
+ }
+
+ Ok(())
+ }