-impl ChainListener for NullChainListener {
- fn block_connected(&mut self, _block: &Block, _height: u32) {}
- fn block_disconnected(&mut self, _header: &BlockHeader, _height: u32) {}
+impl chain::Listen for NullChainListener {
+ fn block_connected(&self, _block: &Block, _height: u32) {}
+ fn block_disconnected(&self, _header: &BlockHeader, _height: u32) {}