* 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]
* stack size for io workers & evm threshold * rust way to remember stack size * right value * 24kb size * some stack reduction
* Abort on panic * Split IO and network crates * Restore panic handler * Fixed doc tests