Update clap to version 4 (#6128)

* Move clap to 4.0.9

* Remove "deprecated" feature flag

* Convert to default_value_t

* update lockfile for {"substrate"}

* Add group(skip) to avoid naming conflict

* More group(skip)

Co-authored-by: parity-processbot <>

polkadot/cli/Cargo.toml

@@ -14,7 +14,7 @@ wasm-opt = false
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-clap = { version = "3.1", features = ["derive"], optional = true }
+clap = { version = "4.0.9", features = ["derive"], optional = true }
 log = "0.4.17"
 thiserror = "1.0.31"
 futures = "0.3.21"

polkadot/cli/src/cli.rs

@@ -43,16 +43,16 @@ pub enum Subcommand {
 	Revert(sc_cli::RevertCmd),
 
 	#[allow(missing_docs)]
-	#[clap(name = "prepare-worker", hide = true)]
+	#[command(name = "prepare-worker", hide = true)]
 	PvfPrepareWorker(ValidationWorkerCommand),
 
 	#[allow(missing_docs)]
-	#[clap(name = "execute-worker", hide = true)]
+	#[command(name = "execute-worker", hide = true)]
 	PvfExecuteWorker(ValidationWorkerCommand),
 
 	/// Sub-commands concerned with benchmarking.
 	/// The pallet benchmarking moved to the `pallet` sub-command.
-	#[clap(subcommand)]
+	#[command(subcommand)]
 	Benchmark(frame_benchmarking_cli::BenchmarkCmd),
 
 	/// Runs performance checks such as PVF compilation in order to measure machine
@@ -68,7 +68,7 @@ pub enum Subcommand {
 	TryRuntime,
 
 	/// Key management CLI utilities
-	#[clap(subcommand)]
+	#[command(subcommand)]
 	Key(sc_cli::KeySubcommand),
 
 	/// Db meta columns information.
@@ -84,21 +84,22 @@ pub struct ValidationWorkerCommand {
 
 #[allow(missing_docs)]
 #[derive(Debug, Parser)]
+#[group(skip)]
 pub struct RunCmd {
 	#[allow(missing_docs)]
 	#[clap(flatten)]
 	pub base: sc_cli::RunCmd,
 
 	/// Force using Kusama native runtime.
-	#[clap(long = "force-kusama")]
+	#[arg(long = "force-kusama")]
 	pub force_kusama: bool,
 
 	/// Force using Westend native runtime.
-	#[clap(long = "force-westend")]
+	#[arg(long = "force-westend")]
 	pub force_westend: bool,
 
 	/// Force using Rococo native runtime.
-	#[clap(long = "force-rococo")]
+	#[arg(long = "force-rococo")]
 	pub force_rococo: bool,
 
 	/// Setup a GRANDPA scheduled voting pause.
@@ -107,25 +108,25 @@ pub struct RunCmd {
 	/// blocks). After the given block number is finalized the GRANDPA voter
 	/// will temporarily stop voting for new blocks until the given delay has
 	/// elapsed (i.e. until a block at height `pause_block + delay` is imported).
-	#[clap(long = "grandpa-pause", number_of_values(2))]
+	#[arg(long = "grandpa-pause", num_args = 2)]
 	pub grandpa_pause: Vec<u32>,
 
 	/// Enable the BEEFY gadget (only on Rococo or Wococo for now).
-	#[clap(long)]
+	#[arg(long)]
 	pub beefy: bool,
 
 	/// Add the destination address to the jaeger agent.
 	///
 	/// Must be valid socket address, of format `IP:Port`
 	/// commonly `127.0.0.1:6831`.
-	#[clap(long)]
+	#[arg(long)]
 	pub jaeger_agent: Option<String>,
 
 	/// Add the destination address to the `pyroscope` agent.
 	///
 	/// Must be valid socket address, of format `IP:Port`
 	/// commonly `127.0.0.1:4040`.
-	#[clap(long)]
+	#[arg(long)]
 	pub pyroscope_server: Option<String>,
 
 	/// Disable automatic hardware benchmarks.
@@ -135,20 +136,20 @@ pub struct RunCmd {
 	///
 	/// The results are then printed out in the logs, and also sent as part of
 	/// telemetry, if telemetry is enabled.
-	#[clap(long)]
+	#[arg(long)]
 	pub no_hardware_benchmarks: bool,
 
 	/// Overseer message capacity override.
 	///
 	/// **Dangerous!** Do not touch unless explicitly adviced to.
-	#[clap(long)]
+	#[arg(long)]
 	pub overseer_channel_capacity_override: Option<usize>,
 }
 
 #[allow(missing_docs)]
 #[derive(Debug, Parser)]
 pub struct Cli {
-	#[clap(subcommand)]
+	#[command(subcommand)]
 	pub subcommand: Option<Subcommand>,
 	#[clap(flatten)]
 	pub run: RunCmd,

polkadot/node/malus/Cargo.toml

@@ -29,7 +29,7 @@ assert_matches = "1.5"
 async-trait = "0.1.57"
 sp-keystore = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
-clap = { version = "3.2.21", features = ["derive"] }
+clap = { version = "4.0.9", features = ["derive"] }
 futures = "0.3.21"
 futures-timer = "3.0.2"
 gum = { package = "tracing-gum", path = "../gum/" }

polkadot/node/malus/src/malus.rs

@@ -28,8 +28,7 @@ use variants::*;
 
 /// Define the different variants of behavior.
 #[derive(Debug, Parser)]
-#[clap(about = "Malus - the nemesis of polkadot.", version)]
+#[command(about = "Malus - the nemesis of polkadot.", version, rename_all = "kebab-case")]
-#[clap(rename_all = "kebab-case")]
 enum NemesisVariant {
 	/// Suggest a candidate with an invalid proof of validity.
 	SuggestGarbageCandidate(SuggestGarbageCandidateOptions),
@@ -39,18 +38,18 @@ enum NemesisVariant {
 	DisputeAncestor(DisputeAncestorOptions),
 
 	#[allow(missing_docs)]
-	#[clap(name = "prepare-worker", hide = true)]
+	#[command(name = "prepare-worker", hide = true)]
 	PvfPrepareWorker(polkadot_cli::ValidationWorkerCommand),
 
 	#[allow(missing_docs)]
-	#[clap(name = "execute-worker", hide = true)]
+	#[command(name = "execute-worker", hide = true)]
 	PvfExecuteWorker(polkadot_cli::ValidationWorkerCommand),
 }
 
 #[derive(Debug, Parser)]
 #[allow(missing_docs)]
 struct MalusCli {
-	#[clap(subcommand)]
+	#[command(subcommand)]
 	pub variant: NemesisVariant,
 	/// Sets the minimum delay between the best and finalized block.
 	pub finality_delay: Option<u32>,

polkadot/node/malus/src/variants/common.rs

@@ -33,11 +33,10 @@ use polkadot_primitives::v2::{
 };
 
 use futures::channel::oneshot;
-
 use rand::distributions::{Bernoulli, Distribution};
 
-#[derive(clap::ArgEnum, Clone, Copy, Debug, PartialEq)]
+#[derive(clap::ValueEnum, Clone, Copy, Debug, PartialEq)]
-#[clap(rename_all = "kebab-case")]
+#[value(rename_all = "kebab-case")]
 #[non_exhaustive]
 pub enum FakeCandidateValidation {
 	Disabled,
@@ -50,8 +49,8 @@ pub enum FakeCandidateValidation {
 }
 
 /// Candidate invalidity details
-#[derive(clap::ArgEnum, Clone, Copy, Debug, PartialEq)]
+#[derive(clap::ValueEnum, Clone, Copy, Debug, PartialEq)]
-#[clap(rename_all = "kebab-case")]
+#[value(rename_all = "kebab-case")]
 pub enum FakeCandidateValidationError {
 	/// Validation outputs check doesn't pass.
 	InvalidOutputs,

polkadot/node/malus/src/variants/dispute_valid_candidates.rs

@@ -41,18 +41,18 @@ use crate::{interceptor::*, variants::ReplaceValidationResult};
 use std::sync::Arc;
 
 #[derive(Debug, clap::Parser)]
-#[clap(rename_all = "kebab-case")]
+#[command(rename_all = "kebab-case")]
 #[allow(missing_docs)]
 pub struct DisputeAncestorOptions {
 	/// Malicious candidate validation subsystem configuration. When enabled, node PVF execution is skipped
 	/// during backing and/or approval and it's result can by specified by this option and `--fake-validation-error`
 	/// for invalid candidate outcomes.
-	#[clap(long, arg_enum, ignore_case = true, default_value_t = FakeCandidateValidation::BackingAndApprovalInvalid)]
+	#[arg(long, value_enum, ignore_case = true, default_value_t = FakeCandidateValidation::BackingAndApprovalInvalid)]
 	pub fake_validation: FakeCandidateValidation,
 
 	/// Applies only when `--fake-validation` is configured to reject candidates as invalid. It allows
 	/// to specify the exact error to return from the malicious candidate validation subsystem.
-	#[clap(long, arg_enum, ignore_case = true, default_value_t = FakeCandidateValidationError::InvalidOutputs)]
+	#[arg(long, value_enum, ignore_case = true, default_value_t = FakeCandidateValidationError::InvalidOutputs)]
 	pub fake_validation_error: FakeCandidateValidationError,
 
 	/// Determines the percentage of candidates that should be disputed. Allows for fine-tuning

polkadot/parachain/test-parachains/adder/collator/Cargo.toml

@@ -15,7 +15,7 @@ path = "bin/puppet_worker.rs"
 
 [dependencies]
 parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
-clap = { version = "3.1", features = ["derive"] }
+clap = { version = "4.0.9", features = ["derive"] }
 futures = "0.3.21"
 futures-timer = "3.0.2"
 log = "0.4.17"

polkadot/parachain/test-parachains/adder/collator/src/cli.rs

@@ -23,11 +23,11 @@ use sc_cli::{RuntimeVersion, SubstrateCli};
 #[derive(Debug, Parser)]
 pub enum Subcommand {
 	/// Export the genesis state of the parachain.
-	#[clap(name = "export-genesis-state")]
+	#[command(name = "export-genesis-state")]
 	ExportGenesisState(ExportGenesisStateCommand),
 
 	/// Export the genesis wasm of the parachain.
-	#[clap(name = "export-genesis-wasm")]
+	#[command(name = "export-genesis-wasm")]
 	ExportGenesisWasm(ExportGenesisWasmCommand),
 }
 
@@ -41,20 +41,21 @@ pub struct ExportGenesisWasmCommand {}
 
 #[allow(missing_docs)]
 #[derive(Debug, Parser)]
+#[group(skip)]
 pub struct RunCmd {
 	#[allow(missing_docs)]
 	#[clap(flatten)]
 	pub base: sc_cli::RunCmd,
 
 	/// Id of the parachain this collator collates for.
-	#[clap(long)]
+	#[arg(long)]
 	pub parachain_id: Option<u32>,
 }
 
 #[allow(missing_docs)]
 #[derive(Debug, Parser)]
 pub struct Cli {
-	#[clap(subcommand)]
+	#[command(subcommand)]
 	pub subcommand: Option<Subcommand>,
 
 	#[clap(flatten)]

polkadot/parachain/test-parachains/undying/collator/Cargo.toml

@@ -15,7 +15,7 @@ path = "bin/puppet_worker.rs"
 
 [dependencies]
 parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
-clap = { version = "3.1", features = ["derive"] }
+clap = { version = "4.0.9", features = ["derive"] }
 futures = "0.3.19"
 futures-timer = "3.0.2"
 log = "0.4.17"

polkadot/parachain/test-parachains/undying/collator/src/cli.rs

@@ -23,11 +23,11 @@ use sc_cli::{RuntimeVersion, SubstrateCli};
 #[derive(Debug, Parser)]
 pub enum Subcommand {
 	/// Export the genesis state of the parachain.
-	#[clap(name = "export-genesis-state")]
+	#[command(name = "export-genesis-state")]
 	ExportGenesisState(ExportGenesisStateCommand),
 
 	/// Export the genesis wasm of the parachain.
-	#[clap(name = "export-genesis-wasm")]
+	#[command(name = "export-genesis-wasm")]
 	ExportGenesisWasm(ExportGenesisWasmCommand),
 }
 
@@ -35,16 +35,16 @@ pub enum Subcommand {
 #[derive(Debug, Parser)]
 pub struct ExportGenesisStateCommand {
 	/// Id of the parachain this collator collates for.
-	#[clap(long, default_value = "100")]
+	#[arg(long, default_value_t = 100)]
 	pub parachain_id: u32,
 
 	/// The target raw PoV size in bytes. Minimum value is 64.
-	#[clap(long, default_value = "1024")]
+	#[arg(long, default_value_t = 1024)]
 	pub pov_size: usize,
 
 	/// The PVF execution complexity. Actually specifies how  many iterations/signatures
 	/// we compute per block.
-	#[clap(long, default_value = "1")]
+	#[arg(long, default_value_t = 1)]
 	pub pvf_complexity: u32,
 }
 
@@ -54,29 +54,30 @@ pub struct ExportGenesisWasmCommand {}
 
 #[allow(missing_docs)]
 #[derive(Debug, Parser)]
+#[group(skip)]
 pub struct RunCmd {
 	#[allow(missing_docs)]
 	#[clap(flatten)]
 	pub base: sc_cli::RunCmd,
 
 	/// Id of the parachain this collator collates for.
-	#[clap(long, default_value = "2000")]
+	#[arg(long, default_value_t = 2000)]
 	pub parachain_id: u32,
 
 	/// The target raw PoV size in bytes. Minimum value is 64.
-	#[clap(long, default_value = "1024")]
+	#[arg(long, default_value_t = 1024)]
 	pub pov_size: usize,
 
 	/// The PVF execution complexity. Actually specifies how many iterations/signatures
 	/// we compute per block.
-	#[clap(long, default_value = "1")]
+	#[arg(long, default_value_t = 1)]
 	pub pvf_complexity: u32,
 }
 
 #[allow(missing_docs)]
 #[derive(Debug, Parser)]
 pub struct Cli {
-	#[clap(subcommand)]
+	#[command(subcommand)]
 	pub subcommand: Option<Subcommand>,
 
 	#[clap(flatten)]

polkadot/utils/generate-bags/Cargo.toml

@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
 
 [dependencies]
-clap = { version = "3.1", features = ["derive"] }
+clap = { version = "4.0.9", features = ["derive"] }
 
 generate-bags = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-io = { git = "https://github.com/paritytech/substrate", branch = "master" }

polkadot/utils/generate-bags/src/main.rs

@@ -20,15 +20,15 @@
 //! touched again. It can be reused to regenerate a wholly different
 //! quantity of bags, or if the existential deposit changes, etc.
 
-use clap::{ArgEnum, Parser};
+use clap::{Parser, ValueEnum};
 use generate_bags::generate_thresholds;
 use kusama_runtime::Runtime as KusamaRuntime;
 use polkadot_runtime::Runtime as PolkadotRuntime;
 use std::path::{Path, PathBuf};
 use westend_runtime::Runtime as WestendRuntime;
 
-#[derive(Clone, Debug, ArgEnum)]
+#[derive(Clone, Debug, ValueEnum)]
-#[clap(rename_all = "PascalCase")]
+#[value(rename_all = "PascalCase")]
 enum Runtime {
 	Westend,
 	Kusama,
@@ -50,22 +50,22 @@ impl Runtime {
 #[derive(Debug, Parser)]
 struct Opt {
 	/// How many bags to generate.
-	#[clap(long, default_value = "200")]
+	#[arg(long, default_value_t = 200)]
 	n_bags: usize,
 
 	/// Which runtime to generate.
-	#[clap(long, ignore_case = true, arg_enum, default_value = "Polkadot")]
+	#[arg(long, ignore_case = true, value_enum, default_value_t = Runtime::Polkadot)]
 	runtime: Runtime,
 
 	/// Where to write the output.
 	output: PathBuf,
 
 	/// The total issuance of the native currency.
-	#[clap(short, long)]
+	#[arg(short, long)]
 	total_issuance: u128,
 
 	/// The minimum account balance (i.e. existential deposit) for the native currency.
-	#[clap(short, long)]
+	#[arg(short, long)]
 	minimum_balance: u128,
 }
 

polkadot/utils/remote-ext-tests/bags-list/Cargo.toml

@@ -17,6 +17,6 @@ sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "master
 frame-system = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
-clap = { version = "3.1", features = ["derive"] }
+clap = { version = "4.0.9", features = ["derive"] }
 log = "0.4.17"
 tokio = { version = "1.19.2", features = ["macros"] }

polkadot/utils/remote-ext-tests/bags-list/src/main.rs

@@ -16,18 +16,18 @@
 
 //! Remote tests for bags-list pallet.
 
-use clap::{ArgEnum, Parser};
+use clap::{Parser, ValueEnum};
 
-#[derive(Clone, Debug, ArgEnum)]
+#[derive(Clone, Debug, ValueEnum)]
-#[clap(rename_all = "PascalCase")]
+#[value(rename_all = "PascalCase")]
 enum Command {
 	CheckMigration,
 	SanityCheck,
 	Snapshot,
 }
 
-#[derive(Clone, Debug, ArgEnum)]
+#[derive(Clone, Debug, ValueEnum)]
-#[clap(rename_all = "PascalCase")]
+#[value(rename_all = "PascalCase")]
 enum Runtime {
 	Polkadot,
 	Kusama,
@@ -36,13 +36,13 @@ enum Runtime {
 
 #[derive(Parser)]
 struct Cli {
-	#[clap(long, short, default_value = "wss://kusama-rpc.polkadot.io:443")]
+	#[arg(long, short, default_value = "wss://kusama-rpc.polkadot.io:443")]
 	uri: String,
-	#[clap(long, short, ignore_case = true, arg_enum, default_value = "kusama")]
+	#[arg(long, short, ignore_case = true, value_enum, default_value_t = Runtime::Kusama)]
 	runtime: Runtime,
-	#[clap(long, short, ignore_case = true, arg_enum, default_value = "SanityCheck")]
+	#[arg(long, short, ignore_case = true, value_enum, default_value_t = Command::SanityCheck)]
 	command: Command,
-	#[clap(long, short)]
+	#[arg(long, short)]
 	snapshot_limit: Option<usize>,
 }
 

polkadot/utils/staking-miner/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.0.0" }
-clap = { version = "3.1", features = ["derive", "env"] }
+clap = { version = "4.0.9", features = ["derive", "env"] }
 tracing-subscriber = { version = "0.3.11", features = ["env-filter"] }
 jsonrpsee = { version = "0.15.1", features = ["ws-client", "macros"] }
 log = "0.4.17"

polkadot/utils/staking-miner/src/opts.rs

@@ -21,21 +21,21 @@ use std::str::FromStr;
 
 #[derive(Debug, Clone, Parser)]
 #[cfg_attr(test, derive(PartialEq))]
-#[clap(author, version, about)]
+#[command(author, version, about)]
 pub(crate) struct Opt {
 	/// The `ws` node to connect to.
-	#[clap(long, short, default_value = DEFAULT_URI, env = "URI", global = true)]
+	#[arg(long, short, default_value = DEFAULT_URI, env = "URI", global = true)]
 	pub uri: String,
 
 	/// WS connection timeout in number of seconds.
-	#[clap(long, parse(try_from_str), default_value_t = 60)]
+	#[arg(long, default_value_t = 60)]
 	pub connection_timeout: usize,
 
 	/// WS request timeout in number of seconds.
-	#[clap(long, parse(try_from_str), default_value_t = 60 * 10)]
+	#[arg(long, default_value_t = 60 * 10)]
 	pub request_timeout: usize,
 
-	#[clap(subcommand)]
+	#[command(subcommand)]
 	pub command: Command,
 }
 
@@ -65,7 +65,7 @@ pub(crate) struct MonitorConfig {
 	///
 	/// WARNING: Don't use an account with a large stash for this. Based on how the bot is
 	/// configured, it might re-try and lose funds through transaction fees/deposits.
-	#[clap(long, short, env = "SEED")]
+	#[arg(long, short, env = "SEED")]
 	pub seed_or_path: String,
 
 	/// They type of event to listen to.
@@ -73,11 +73,11 @@ pub(crate) struct MonitorConfig {
 	/// Typically, finalized is safer and there is no chance of anything going wrong, but it can be
 	/// slower. It is recommended to use finalized, if the duration of the signed phase is longer
 	/// than the the finality delay.
-	#[clap(long, default_value = "head", possible_values = &["head", "finalized"])]
+	#[arg(long, default_value = "head", value_parser = ["head", "finalized"])]
 	pub listen: String,
 
 	/// The solver algorithm to use.
-	#[clap(subcommand)]
+	#[command(subcommand)]
 	pub solver: Solver,
 
 	/// Submission strategy to use.
@@ -89,7 +89,7 @@ pub(crate) struct MonitorConfig {
 	/// `--submission-strategy always`: always submit.
 	///
 	/// `--submission-strategy "percent-better <percent>"`: submit if the submission is `n` percent better.
-	#[clap(long, parse(try_from_str), default_value = "if-leading")]
+	#[arg(long, default_value = "if-leading")]
 	pub submission_strategy: SubmissionStrategy,
 
 	/// Delay in number seconds to wait until starting mining a solution.
@@ -100,7 +100,7 @@ pub(crate) struct MonitorConfig {
 	///
 	/// When this is enabled and there are competing solutions, your solution might not be submitted
 	/// if the scores are equal.
-	#[clap(long, parse(try_from_str), default_value_t = 0)]
+	#[arg(long, default_value_t = 0)]
 	pub delay: usize,
 }
 
@@ -114,19 +114,19 @@ pub(crate) struct DryRunConfig {
 	///
 	/// WARNING: Don't use an account with a large stash for this. Based on how the bot is
 	/// configured, it might re-try and lose funds through transaction fees/deposits.
-	#[clap(long, short, env = "SEED")]
+	#[arg(long, short, env = "SEED")]
 	pub seed_or_path: String,
 
 	/// The block hash at which scraping happens. If none is provided, the latest head is used.
-	#[clap(long)]
+	#[arg(long)]
 	pub at: Option<Hash>,
 
 	/// The solver algorithm to use.
-	#[clap(subcommand)]
+	#[command(subcommand)]
 	pub solver: Solver,
 
 	/// Force create a new snapshot, else expect one to exist onchain.
-	#[clap(long)]
+	#[arg(long)]
 	pub force_snapshot: bool,
 }
 
@@ -134,11 +134,11 @@ pub(crate) struct DryRunConfig {
 #[cfg_attr(test, derive(PartialEq))]
 pub(crate) struct EmergencySolutionConfig {
 	/// The block hash at which scraping happens. If none is provided, the latest head is used.
-	#[clap(long)]
+	#[arg(long)]
 	pub at: Option<Hash>,
 
 	/// The solver algorithm to use.
-	#[clap(subcommand)]
+	#[command(subcommand)]
 	pub solver: Solver,
 
 	/// The number of top backed winners to take. All are taken, if not provided.
@@ -149,7 +149,7 @@ pub(crate) struct EmergencySolutionConfig {
 #[cfg_attr(test, derive(PartialEq))]
 pub(crate) struct InfoOpts {
 	/// Serialize the output as json
-	#[clap(long, short)]
+	#[arg(long, short)]
 	pub json: bool,
 }
 
@@ -170,11 +170,11 @@ pub enum SubmissionStrategy {
 #[cfg_attr(test, derive(PartialEq))]
 pub(crate) enum Solver {
 	SeqPhragmen {
-		#[clap(long, default_value = "10")]
+		#[arg(long, default_value_t = 10)]
 		iterations: usize,
 	},
 	PhragMMS {
-		#[clap(long, default_value = "10")]
+		#[arg(long, default_value_t = 10)]
 		iterations: usize,
 	},
 }