* Reduce periodic snapshot delay * Prevent connecting to peers over the min_peers limit * Smaller block requests for slower connections
* Split block downloader into a module * Snapshot sync progress * Warp sync CLI option * Increased snapshot chunk and ping timeouts * Fixed an issue with delayed writes * Updated bootnodes * Don't run pending IO tasks on shutdown * Optional first_block; removed insert_snapshot_block * Fixing expect calls * Fixed stalled sync * style and docs * Update block_sync.rs [ci:skip]