* Filter-out nodes.json (#7716)
* Filter-out nodes.json
* network: sort node table nodes by failure ratio
* network: fix node table tests
* network: fit node failure percentage into buckets of 5%
* network: consider number of attempts in sorting of node table
* network: fix node table grumbles
* Fix client not being dropped on shutdown (#7695)
* parity: wait for client to drop on shutdown
* parity: fix grumbles in shutdown wait
* parity: increase shutdown timeouts
* Wrap --help output to 120 characters (#7626)
* Update Clap dependency and remove workarounds
* WIP
* Remove line breaks in help messages for now
* Multiple values can only be separated by commas (closes#7428)
* Grumbles; refactor repeating code; add constant
* Use a single Wrapper rather than allocate a new one for each call
* Wrap --help to 120 characters rather than 100 characters
* kvdb-rocksdb: update to RocksDB 5.8.8
* kvdb-rocksdb: tune RocksDB options
* Switch to level-style compaction
* Increase default block size (16K), and use bigger blocks for HDDs (64K)
* Increase default file size base (64MB SSDs, 256MB HDDs)
* Create a single block cache shared across all column families
* Tune compaction settings using RocksDB helper functions, taking into account
memory budget spread across all columns
* Configure backgrounds jobs based on the number of CPUs
* Set some default recommended settings
* ethcore: remove unused config blockchain.db_cache_size
* parity: increase default value for db_cache_size
* kvdb-rocksdb: enable compression on all levels
* kvdb-rocksdb: set global db_write_bufer_size
* kvdb-rocksdb: reduce db_write_bufer_size to force earlier flushing
* kvdb-rocksdb: use master branch for rust-rocksdb dependency
* separate migration from util and make its dependencies into libs:
* snappy
* kvdb
* error
* common
* renamed common -> macros
* util error does not depend on snappy module
* ethsync does not depend on util nor ethcore_error
* nibbleslice and nibblevec merged with patricia_trie crate
* removed unused dependencies from util
* util journaldb traits does not need to be public
* util_error
* fixed ethcore compile error
* ignore .swo files
* Update chain.rs
* Bump version.
* Fix RPC crate.
* Fix BoxFuture in crates.
* Compiles and passes tests!
* Get rid of .boxed()
* Fixing issues with the UI.
* Remove minihttp. Support threads.
* Reimplement files serving to do it in chunks.
* Increase chunk size.
* Remove some unecessary copying.
* Fix tests.
* Fix stratum warning and ipfs todo.
* Switch to proper branch of jsonrpc.
* Update Cargo.lock.
* Update docs.
* Include dapps-glue in workspace.
* fixed merge artifacts
* Fix test compilation.
* move common forks and parameters to common params
* port specs over to new format
* fix RPC tests
* parity-machine skeleton
* remove block type
* extract out ethereum-specific methods into EthereumMachine
* beginning to integrate Machine into engines. dealing with stale transitions in Ethash
* initial porting to machine
* move block reward back into engine
* abstract block reward logic
* move last hash and DAO HF logic into machine
* begin making engine function parameters generic
* abstract epoch verifier and ethash block reward logic
* instantiate special ethereummachine for ethash in spec
* optional full verification in verify_block_family
* re-instate tx_filter in a way that works for all engines
* fix warnings
* fix most tests, further generalize engine trait
* uncomment nullengine, get ethcore tests compiling
* fix warnings
* update a bunch of specs
* re-enable engine signer, validator set, and transition handler
* migrate basic_authority engine
* move last hashes into executedblock
* port tendermint
* make all ethcore tests pass
* json-tests compilation
* fix RPC tests: change in gas limit for new block changed PoW hash
* fix minor grumbles
* validate chainspecs
* fix broken import
* fix transaction verification for pre-homestead
