Backports for 2.1.0 beta (#9518)

* 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.

parity/cli/mod.rs

@@ -704,11 +704,11 @@ usage! {
 			"--price-update-period=[T]",
 			"T will be allowed to pass between each gas price update. T may be daily, hourly, a number of seconds, or a time string of the form \"2 days\", \"30 minutes\" etc..",
 
-			ARG arg_gas_floor_target: (String) = "4700000", or |c: &Config| c.mining.as_ref()?.gas_floor_target.clone(),
+			ARG arg_gas_floor_target: (String) = "8000000", or |c: &Config| c.mining.as_ref()?.gas_floor_target.clone(),
 			"--gas-floor-target=[GAS]",
 			"Amount of gas per block to target when sealing a new block.",
 
-			ARG arg_gas_cap: (String) = "6283184", or |c: &Config| c.mining.as_ref()?.gas_cap.clone(),
+			ARG arg_gas_cap: (String) = "10000000", or |c: &Config| c.mining.as_ref()?.gas_cap.clone(),
 			"--gas-cap=[GAS]",
 			"A cap on how large we will raise the gas limit per block due to transaction volume.",
 
@@ -865,6 +865,10 @@ usage! {
 			"--no-periodic-snapshot",
 			"Disable automated snapshots which usually occur once every 10000 blocks.",
 
+			ARG arg_snapshot_threads: (Option<usize>) = None, or |c: &Config| c.snapshots.as_ref()?.processing_threads,
+			"--snapshot-threads=[NUM]",
+			"Enables multiple threads for snapshots creation.",
+
 		["Whisper Options"]
 			FLAG flag_whisper: (bool) = false, or |c: &Config| c.whisper.as_ref()?.enabled,
 			"--whisper",
@@ -1345,6 +1349,7 @@ struct Footprint {
 #[serde(deny_unknown_fields)]
 struct Snapshots {
 	disable_periodic: Option<bool>,
+	processing_threads: Option<usize>,
 }
 
 #[derive(Default, Debug, PartialEq, Deserialize)]
@@ -1712,7 +1717,7 @@ mod tests {
 			arg_reseal_max_period: 60000u64,
 			flag_reseal_on_uncle: false,
 			arg_work_queue_size: 20usize,
-			arg_tx_gas_limit: Some("6283184".into()),
+			arg_tx_gas_limit: Some("10000000".into()),
 			arg_tx_time_limit: Some(100u64),
 			arg_relay_set: "cheap".into(),
 			arg_min_gas_price: Some(0u64),
@@ -1721,8 +1726,8 @@ mod tests {
 			arg_poll_lifetime: 60u32,
 			arg_usd_per_eth: "auto".into(),
 			arg_price_update_period: "hourly".into(),
-			arg_gas_floor_target: "4700000".into(),
-			arg_gas_cap: "6283184".into(),
+			arg_gas_floor_target: "8000000".into(),
+			arg_gas_cap: "10000000".into(),
 			arg_extra_data: Some("Parity".into()),
 			flag_tx_queue_no_unfamiliar_locals: false,
 			flag_tx_queue_no_early_reject: false,
@@ -1771,6 +1776,7 @@ mod tests {
 			arg_export_state_at: "latest".into(),
 			arg_snapshot_at: "latest".into(),
 			flag_no_periodic_snapshot: false,
+			arg_snapshot_threads: None,
 
 			// -- Whisper options.
 			flag_whisper: false,
@@ -2021,6 +2027,7 @@ mod tests {
 			}),
 			snapshots: Some(Snapshots {
 				disable_periodic: Some(true),
+				processing_threads: None,
 			}),
 			misc: Some(Misc {
 				logging: Some("own_tx=trace".into()),

parity/cli/tests/config.full.toml

@@ -125,13 +125,13 @@ min_gas_price = 0
 usd_per_tx = "0.0001"
 usd_per_eth = "auto"
 price_update_period = "hourly"
-gas_floor_target = "4700000"
-gas_cap = "6283184"
+gas_floor_target = "8000000"
+gas_cap = "10000000"
 tx_queue_size = 8192
 tx_queue_strategy = "gas_factor"
 tx_queue_ban_count = 1
 tx_queue_ban_time = 180 #s
-tx_gas_limit = "6283184"
+tx_gas_limit = "10000000"
 tx_time_limit = 100 #ms
 tx_queue_no_unfamiliar_locals = false
 tx_queue_no_early_reject = false