* parity-version: mark 2.1.0 track beta
* ci: update branch version references
* docker: release master to latest
* Fix checkpointing when creating contract failed (#9514)
* ci: fix json docs generation (#9515)
* fix typo in version string (#9516)
* Update patricia trie to 0.2.2 crates. Default dependencies on minor
version only.
* Putting back ethereum tests to the right commit
* Enable all Constantinople hard fork changes in constantinople_test.json (#9505)
* Enable all Constantinople hard fork changes in constantinople_test.json
* Address grumbles
* Remove EIP-210 activation
* 8m -> 5m
* Temporarily add back eip210 transition so we can get test passed
* Add eip210_test and remove eip210 transition from const_test
* In create memory calculation is the same for create2 because the additional parameter was popped before. (#9522)
* deps: bump fs-swap and kvdb-rocksdb
* Multithreaded snapshot creation (#9239)
* Add Progress to Snapshot Secondary chunks creation
* Use half of CPUs to multithread snapshot creation
* Use env var to define number of threads
* info to debug logs
* Add Snapshot threads as CLI option
* Randomize chunks per thread
* Remove randomness, add debugging
* Add warning
* Add tracing
* Use parity-common fix seek branch
* Fix log
* Fix tests
* Fix tests
* PR Grumbles
* PR Grumble II
* Update Cargo.lock
* PR Grumbles
* Default snapshot threads to half number of CPUs
* Fix default snapshot threads // min 1
* correct before_script for nightly build versions (#9543)
- fix gitlab array of strings syntax error
- get proper commit id
- avoid colon in stings
* Remove initial token for WS. (#9545)
* version: mark release critical
* ci: fix rpc docs generation 2 (#9550)
* Improve P2P discovery (#9526)
* Add `target` to Rust traces
* network-devp2p: Don't remove discovery peer in main sync
* network-p2p: Refresh discovery more often
* Update Peer discovery protocol
* Run discovery more often when not enough nodes connected
* Start the first discovery early
* Update fast discovery rate
* Fix tests
* Fix `ping` tests
* Fixing remote Node address ; adding PingPong round
* Fix tests: update new +1 PingPong round
* Increase slow Discovery rate
Check in flight FindNode before pings
* Add `deprecated` to deprecated_echo_hash
* Refactor `discovery_round` branching
* net_version caches network_id to avoid redundant aquire of sync read lock (#9544)
* net_version caches network_id to avoid redundant aquire of sync read lock, #8746
* use lower_hex display formatting for net_peerCount rpc method
* Increase Gas-floor-target and Gas Cap (#9564)
+ Gas-floor-target increased to 8M by default
+ Gas-cap increased to 10M by default
* Revert to old parity-tokio-ipc.
* Downgrade named pipes.
* Update `add_license` script
* run script
* add `remove duplicate lines script` and run it
* Revert changes `English spaces`
* strip whitespaces
* Revert `GPL` in files with `apache/mit license`
* don't append `gpl license` in files with other lic
* Don't append `gpl header` in files with other lic.
* re-ran script
* include c and cpp files too
* remove duplicate header
* rebase nit
