Companion for substrate#10632 (#4689)

* Companion for substrate#10632

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* cargo format

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Fix bags-list

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Update Substrate

* Fix

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Fix bridges test

* FMT

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>
Co-authored-by: Bastian Köcher <info@kchr.de>

polkadot/bridges/modules/dispatch/src/lib.rs

@@ -649,11 +649,12 @@ mod tests {
 	fn should_fail_on_weight_mismatch() {
 		new_test_ext().execute_with(|| {
 			let id = [0; 4];
-			let call = Call::System(frame_system::Call::remark { remark: vec![1, 2, 3] });
+			let call =
+				Call::System(frame_system::Call::remark_with_event { remark: vec![1, 2, 3] });
 			let call_weight = call.get_dispatch_info().weight;
 			let mut message = prepare_root_message(call);
 			message.weight = 7;
-			assert!(call_weight != 7, "needed for test to actually trigger a weight mismatch");
+			assert!(call_weight > 7, "needed for test to actually trigger a weight mismatch");
 
 			System::set_block_number(1);
 			let result = Dispatch::dispatch(

polkadot/cli/Cargo.toml

@@ -14,9 +14,9 @@ wasm-opt = false
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
+clap = { version = "3.0", features = ["derive"], optional = true }
 log = "0.4.13"
 thiserror = "1.0.30"
-structopt = { version = "0.3.25", optional = true }
 futures = "0.3.19"
 
 service = { package = "polkadot-service", path = "../node/service", default-features = false, optional = true }
@@ -39,11 +39,11 @@ sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master",
 substrate-build-script-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
 [features]
-default = [ "wasmtime", "db", "cli", "full-node", "trie-memory-tracker", "polkadot-native" ]
-wasmtime = [ "sc-cli/wasmtime" ]
-db = [ "service/db" ]
+default = ["wasmtime", "db", "cli", "full-node", "trie-memory-tracker", "polkadot-native"]
+wasmtime = ["sc-cli/wasmtime"]
+db = ["service/db"]
 cli = [
-	"structopt",
+	"clap",
 	"sc-cli",
 	"sc-service",
 	"sc-tracing",
@@ -52,19 +52,19 @@ cli = [
 	"polkadot-node-core-pvf",
 	"polkadot-performance-test",
 ]
-runtime-benchmarks = [ "service/runtime-benchmarks", "polkadot-node-metrics/runtime-benchmarks" ]
-trie-memory-tracker = [ "sp-trie/memory-tracker" ]
-full-node = [ "service/full-node" ]
-try-runtime = [ "service/try-runtime" ]
-fast-runtime = [ "service/fast-runtime" ]
+runtime-benchmarks = ["service/runtime-benchmarks", "polkadot-node-metrics/runtime-benchmarks"]
+trie-memory-tracker = ["sp-trie/memory-tracker"]
+full-node = ["service/full-node"]
+try-runtime = ["service/try-runtime"]
+fast-runtime = ["service/fast-runtime"]
 
 # Configure the native runtimes to use. Polkadot is enabled by default.
 #
 # Validators require the native runtime currently
-polkadot-native = [ "service/polkadot-native" ]
-kusama-native = [ "service/kusama-native" ]
-westend-native = [ "service/westend-native" ]
-rococo-native = [ "service/rococo-native" ]
+polkadot-native = ["service/polkadot-native"]
+kusama-native = ["service/kusama-native"]
+westend-native = ["service/westend-native"]
+rococo-native = ["service/rococo-native"]
 
-malus = [ "full-node", "service/malus" ]
+malus = ["full-node", "service/malus"]
 runtime-metrics = ["service/runtime-metrics", "polkadot-node-metrics/runtime-metrics"]

polkadot/cli/src/cli.rs

@@ -16,10 +16,10 @@
 
 //! Polkadot CLI library.
 
-use structopt::StructOpt;
+use clap::{AppSettings, Parser};
 
 #[allow(missing_docs)]
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub enum Subcommand {
 	/// Build a chain specification.
 	BuildSpec(sc_cli::BuildSpecCmd),
@@ -43,15 +43,15 @@ pub enum Subcommand {
 	Revert(sc_cli::RevertCmd),
 
 	#[allow(missing_docs)]
-	#[structopt(name = "prepare-worker", setting = structopt::clap::AppSettings::Hidden)]
+	#[clap(name = "prepare-worker", setting = AppSettings::Hidden)]
 	PvfPrepareWorker(ValidationWorkerCommand),
 
 	#[allow(missing_docs)]
-	#[structopt(name = "execute-worker", setting = structopt::clap::AppSettings::Hidden)]
+	#[clap(name = "execute-worker", setting = AppSettings::Hidden)]
 	PvfExecuteWorker(ValidationWorkerCommand),
 
 	/// The custom benchmark subcommand benchmarking runtime pallets.
-	#[structopt(name = "benchmark", about = "Benchmark runtime pallets.")]
+	#[clap(name = "benchmark", about = "Benchmark runtime pallets.")]
 	Benchmark(frame_benchmarking_cli::BenchmarkCmd),
 
 	/// Runs performance checks such as PVF compilation in order to measure machine
@@ -67,33 +67,34 @@ pub enum Subcommand {
 	TryRuntime,
 
 	/// Key management CLI utilities
+	#[clap(subcommand)]
 	Key(sc_cli::KeySubcommand),
 }
 
 #[allow(missing_docs)]
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct ValidationWorkerCommand {
 	/// The path to the validation host's socket.
 	pub socket_path: String,
 }
 
 #[allow(missing_docs)]
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct RunCmd {
 	#[allow(missing_docs)]
-	#[structopt(flatten)]
+	#[clap(flatten)]
 	pub base: sc_cli::RunCmd,
 
 	/// Force using Kusama native runtime.
-	#[structopt(long = "force-kusama")]
+	#[clap(long = "force-kusama")]
 	pub force_kusama: bool,
 
 	/// Force using Westend native runtime.
-	#[structopt(long = "force-westend")]
+	#[clap(long = "force-westend")]
 	pub force_westend: bool,
 
 	/// Force using Rococo native runtime.
-	#[structopt(long = "force-rococo")]
+	#[clap(long = "force-rococo")]
 	pub force_rococo: bool,
 
 	/// Setup a GRANDPA scheduled voting pause.
@@ -102,26 +103,26 @@ 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).
-	#[structopt(long = "grandpa-pause", number_of_values(2))]
+	#[clap(long = "grandpa-pause", number_of_values(2))]
 	pub grandpa_pause: Vec<u32>,
 
 	/// Enable the BEEFY gadget (only on Rococo or Wococo for now).
-	#[structopt(long)]
+	#[clap(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`.
-	#[structopt(long)]
+	#[clap(long)]
 	pub jaeger_agent: Option<std::net::SocketAddr>,
 }
 
 #[allow(missing_docs)]
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct Cli {
-	#[structopt(subcommand)]
+	#[clap(subcommand)]
 	pub subcommand: Option<Subcommand>,
-	#[structopt(flatten)]
+	#[clap(flatten)]
 	pub run: RunCmd,
 }

polkadot/node/malus/Cargo.toml

@@ -13,7 +13,7 @@ name = "malus"
 path = "src/malus.rs"
 
 [dependencies]
-polkadot-cli = { path = "../../cli", default-features = false, features = [ "cli", "malus" ]  }
+polkadot-cli = { path = "../../cli", default-features = false, features = ["cli", "malus"] }
 polkadot-node-subsystem = { path = "../subsystem" }
 polkadot-node-subsystem-util = { path = "../subsystem-util" }
 polkadot-node-subsystem-types = { path = "../subsystem-types" }
@@ -26,9 +26,9 @@ polkadot-node-core-pvf = { path = "../core/pvf" }
 parity-util-mem = { version = "0.10.0", default-features = false, features = ["jemalloc-global"] }
 color-eyre = { version = "0.5.11", default-features = false }
 assert_matches = "1.5"
-structopt = "0.3.25"
 async-trait = "0.1.52"
 sp-keystore = { git = "https://github.com/paritytech/substrate", branch = "master" }
+clap = { version = "3.0", features = ["derive"] }
 futures = "0.3.19"
 futures-timer = "3.0.2"
 tracing = "0.1.26"

polkadot/node/malus/src/malus.rs

@@ -16,9 +16,9 @@
 
 //! A malus or nemesis node launch code.
 
+use clap::{AppSettings, Parser};
 use color_eyre::eyre;
 use polkadot_cli::{Cli, RunCmd};
-use structopt::StructOpt;
 
 pub(crate) mod interceptor;
 pub(crate) mod shared;
@@ -28,9 +28,9 @@ mod variants;
 use variants::*;
 
 /// Define the different variants of behavior.
-#[derive(Debug, StructOpt)]
-#[structopt(about = "Malus - the nemesis of polkadot.")]
-#[structopt(rename_all = "kebab-case")]
+#[derive(Debug, Parser)]
+#[clap(about = "Malus - the nemesis of polkadot.", version)]
+#[clap(rename_all = "kebab-case")]
 enum NemesisVariant {
 	/// Suggest a candidate with an invalid proof of validity.
 	SuggestGarbageCandidate(RunCmd),
@@ -40,18 +40,18 @@ enum NemesisVariant {
 	DisputeAncestor(RunCmd),
 
 	#[allow(missing_docs)]
-	#[structopt(name = "prepare-worker", setting = structopt::clap::AppSettings::Hidden)]
+	#[clap(name = "prepare-worker", setting = AppSettings::Hidden)]
 	PvfPrepareWorker(polkadot_cli::ValidationWorkerCommand),
 
 	#[allow(missing_docs)]
-	#[structopt(name = "execute-worker", setting = structopt::clap::AppSettings::Hidden)]
+	#[clap(name = "execute-worker", setting = AppSettings::Hidden)]
 	PvfExecuteWorker(polkadot_cli::ValidationWorkerCommand),
 }
 
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 #[allow(missing_docs)]
 struct MalusCli {
-	#[structopt(subcommand)]
+	#[clap(subcommand)]
 	pub variant: NemesisVariant,
 }
 
@@ -99,7 +99,7 @@ impl MalusCli {
 
 fn main() -> eyre::Result<()> {
 	color_eyre::install()?;
-	let cli = MalusCli::from_args();
+	let cli = MalusCli::parse();
 	cli.launch()?;
 	Ok(())
 }
@@ -110,7 +110,7 @@ mod tests {
 
 	#[test]
 	fn subcommand_works() {
-		let cli = MalusCli::from_iter_safe(IntoIterator::into_iter([
+		let cli = MalusCli::try_parse_from(IntoIterator::into_iter([
 			"malus",
 			"dispute-ancestor",
 			"--bob",

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

@@ -15,10 +15,10 @@ path = "bin/puppet_worker.rs"
 
 [dependencies]
 parity-scale-codec = { version = "2.3.1", default-features = false, features = ["derive"] }
+clap = { version = "3.0", features = ["derive"] }
 futures = "0.3.19"
 futures-timer = "3.0.2"
 log = "0.4.13"
-structopt = "0.3.25"
 
 test-parachain-adder = { path = ".." }
 polkadot-primitives = { path = "../../../../primitives" }

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

@@ -16,48 +16,48 @@
 
 //! Polkadot CLI library.
 
+use clap::Parser;
 use sc_cli::{RuntimeVersion, SubstrateCli};
-use structopt::StructOpt;
 
 /// Sub-commands supported by the collator.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub enum Subcommand {
 	/// Export the genesis state of the parachain.
-	#[structopt(name = "export-genesis-state")]
+	#[clap(name = "export-genesis-state")]
 	ExportGenesisState(ExportGenesisStateCommand),
 
 	/// Export the genesis wasm of the parachain.
-	#[structopt(name = "export-genesis-wasm")]
+	#[clap(name = "export-genesis-wasm")]
 	ExportGenesisWasm(ExportGenesisWasmCommand),
 }
 
 /// Command for exporting the genesis state of the parachain
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct ExportGenesisStateCommand {}
 
 /// Command for exporting the genesis wasm file.
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct ExportGenesisWasmCommand {}
 
 #[allow(missing_docs)]
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct RunCmd {
 	#[allow(missing_docs)]
-	#[structopt(flatten)]
+	#[clap(flatten)]
 	pub base: sc_cli::RunCmd,
 
 	/// Id of the parachain this collator collates for.
-	#[structopt(long)]
+	#[clap(long)]
 	pub parachain_id: Option<u32>,
 }
 
 #[allow(missing_docs)]
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 pub struct Cli {
-	#[structopt(subcommand)]
+	#[clap(subcommand)]
 	pub subcommand: Option<Subcommand>,
 
-	#[structopt(flatten)]
+	#[clap(flatten)]
 	pub run: RunCmd,
 }
 

polkadot/utils/generate-bags/Cargo.toml

@@ -5,9 +5,10 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
+clap = { version = "3.0", features = ["derive"] }
+
 generate-bags = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-io = { git = "https://github.com/paritytech/substrate", branch = "master" }
-structopt = "0.3.25"
 
 westend-runtime = { path = "../../runtime/westend" }
 kusama-runtime = { path = "../../runtime/kusama" }

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

@@ -20,20 +20,19 @@
 //! 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 generate_bags::generate_thresholds;
 use kusama_runtime::Runtime as KusamaRuntime;
 use polkadot_runtime::Runtime as PolkadotRuntime;
 use std::path::{Path, PathBuf};
-use structopt::{clap::arg_enum, StructOpt};
 use westend_runtime::Runtime as WestendRuntime;
 
-arg_enum! {
-	#[derive(Debug)]
-	enum Runtime {
-		Westend,
-		Kusama,
-		Polkadot,
-	}
+#[derive(Clone, Debug, ArgEnum)]
+#[clap(rename_all = "PascalCase")]
+enum Runtime {
+	Westend,
+	Kusama,
+	Polkadot,
 }
 
 impl Runtime {
@@ -48,35 +47,30 @@ impl Runtime {
 	}
 }
 
-#[derive(Debug, StructOpt)]
+#[derive(Debug, Parser)]
 struct Opt {
 	/// How many bags to generate.
-	#[structopt(long, default_value = "200")]
+	#[clap(long, default_value = "200")]
 	n_bags: usize,
 
 	/// Which runtime to generate.
-	#[structopt(
-		long,
-		case_insensitive = true,
-		default_value = "Polkadot",
-		possible_values = &Runtime::variants(),
-	)]
+	#[clap(long, ignore_case = true, arg_enum, default_value = "Polkadot")]
 	runtime: Runtime,
 
 	/// Where to write the output.
 	output: PathBuf,
 
 	/// The total issuance of the native currency.
-	#[structopt(short, long)]
+	#[clap(short, long)]
 	total_issuance: u128,
 
 	/// The minimum account balance (i.e. existential deposit) for the native currency.
-	#[structopt(short, long)]
+	#[clap(short, long)]
 	minimum_balance: u128,
 }
 
 fn main() -> Result<(), std::io::Error> {
-	let Opt { n_bags, output, runtime, total_issuance, minimum_balance } = Opt::from_args();
+	let Opt { n_bags, output, runtime, total_issuance, minimum_balance } = Opt::parse();
 
 	runtime.generate_thresholds_fn()(n_bags, &output, total_issuance, minimum_balance)
 }

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

@@ -12,13 +12,11 @@ polkadot-runtime-constants = { version = "0.9.13", path = "../../../runtime/polk
 kusama-runtime-constants = { version = "0.9.13", path = "../../../runtime/kusama/constants" }
 westend-runtime-constants = { version = "0.9.13", path = "../../../runtime/westend/constants" }
 
-
 pallet-bags-list-remote-tests = { git = "https://github.com/paritytech/substrate", branch = "master" }
 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 = "3.0", features = ["derive"] }
+log = "0.4.14"
 tokio = { version = "1", features = ["macros"] }
-log = { version = "0.4.14" }
-structopt = {version = "0.3.25" }
-clap = { version = "2.34.0" }

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

@@ -16,43 +16,40 @@
 
 //! Remote tests for bags-list pallet.
 
-use clap::arg_enum;
+use clap::{ArgEnum, Parser};
 use std::convert::TryInto;
-use structopt::StructOpt;
 
-arg_enum! {
-	#[derive(Debug)]
-	enum Command {
-		CheckMigration,
-		SanityCheck,
-		Snapshot,
-	}
+#[derive(Clone, Debug, ArgEnum)]
+#[clap(rename_all = "PascalCase")]
+enum Command {
+	CheckMigration,
+	SanityCheck,
+	Snapshot,
 }
 
-arg_enum! {
-	#[derive(Debug)]
-	enum Runtime {
-		Polkadot,
-		Kusama,
-		Westend,
-	}
+#[derive(Clone, Debug, ArgEnum)]
+#[clap(rename_all = "PascalCase")]
+enum Runtime {
+	Polkadot,
+	Kusama,
+	Westend,
 }
 
-#[derive(StructOpt)]
+#[derive(Parser)]
 struct Cli {
-	#[structopt(long, short, default_value = "wss://kusama-rpc.polkadot.io:443")]
+	#[clap(long, short, default_value = "wss://kusama-rpc.polkadot.io:443")]
 	uri: String,
-	#[structopt(long, short, case_insensitive = true, possible_values = &Runtime::variants(), default_value = "kusama")]
+	#[clap(long, short, ignore_case = true, arg_enum, default_value = "kusama")]
 	runtime: Runtime,
-	#[structopt(long, short, case_insensitive = true, possible_values = &Command::variants(), default_value = "SanityCheck")]
+	#[clap(long, short, ignore_case = true, arg_enum, default_value = "SanityCheck")]
 	command: Command,
-	#[structopt(long, short)]
+	#[clap(long, short)]
 	snapshot_limit: Option<usize>,
 }
 
 #[tokio::main]
 async fn main() {
-	let options = Cli::from_args();
+	let options = Cli::parse();
 	sp_tracing::try_init_simple();
 
 	log::info!(

polkadot/utils/staking-miner/Cargo.toml

@@ -9,7 +9,7 @@ codec = { package = "parity-scale-codec", version = "2.0.0" }
 tokio = { version = "1.15", features = ["macros"] }
 log = "0.4.11"
 env_logger = "0.9.0"
-structopt = "0.3.25"
+clap = { version = "3.0", features = ["derive", "env"] }
 jsonrpsee = { version = "0.4.1", default-features = false, features = ["ws-client"] }
 serde_json = "1.0"
 serde = "1.0.132"

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

@@ -38,13 +38,13 @@ mod signer;
 pub(crate) use prelude::*;
 pub(crate) use signer::get_account_info;
 
+use clap::Parser;
 use frame_election_provider_support::NposSolver;
 use frame_support::traits::Get;
 use jsonrpsee::ws_client::{WsClient, WsClientBuilder};
 use remote_externalities::{Builder, Mode, OnlineConfig};
 use sp_npos_elections::ExtendedBalance;
 use sp_runtime::{traits::Block as BlockT, DeserializeOwned};
-use structopt::StructOpt;
 
 pub(crate) enum AnyRuntime {
 	Polkadot,
@@ -272,7 +272,7 @@ impl<T: EPM::Config> std::fmt::Display for Error<T> {
 	}
 }
 
-#[derive(Debug, Clone, StructOpt)]
+#[derive(Debug, Clone, Parser)]
 enum Command {
 	/// Monitor for the phase being signed, then compute.
 	Monitor(MonitorConfig),
@@ -282,14 +282,14 @@ enum Command {
 	EmergencySolution(EmergencySolutionConfig),
 }
 
-#[derive(Debug, Clone, StructOpt)]
+#[derive(Debug, Clone, Parser)]
 enum Solvers {
 	SeqPhragmen {
-		#[structopt(long, default_value = "10")]
+		#[clap(long, default_value = "10")]
 		iterations: usize,
 	},
 	PhragMMS {
-		#[structopt(long, default_value = "10")]
+		#[clap(long, default_value = "10")]
 		iterations: usize,
 	},
 }
@@ -301,69 +301,67 @@ frame_support::parameter_types! {
 	pub static Balancing: Option<(usize, ExtendedBalance)> = Some((BalanceIterations::get(), 0));
 }
 
-#[derive(Debug, Clone, StructOpt)]
+#[derive(Debug, Clone, Parser)]
 struct MonitorConfig {
 	/// They type of event to listen to.
 	///
 	/// 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.
-	#[structopt(long, default_value = "head", possible_values = &["head", "finalized"])]
+	#[clap(long, default_value = "head", possible_values = &["head", "finalized"])]
 	listen: String,
 
 	/// The solver algorithm to use.
-	#[structopt(subcommand)]
+	#[clap(subcommand)]
 	solver: Solvers,
 }
 
-#[derive(Debug, Clone, StructOpt)]
+#[derive(Debug, Clone, Parser)]
 struct EmergencySolutionConfig {
 	/// The block hash at which scraping happens. If none is provided, the latest head is used.
-	#[allow(dead_code)]
-	#[structopt(long)]
+	#[clap(long)]
 	at: Option<Hash>,
 
 	/// The solver algorithm to use.
-	#[allow(dead_code)]
-	#[structopt(subcommand)]
+	#[clap(subcommand)]
 	solver: Solvers,
 
 	/// The number of top backed winners to take. All are taken, if not provided.
 	take: Option<usize>,
 }
 
-#[derive(Debug, Clone, StructOpt)]
+#[derive(Debug, Clone, Parser)]
 struct DryRunConfig {
 	/// The block hash at which scraping happens. If none is provided, the latest head is used.
-	#[structopt(long)]
+	#[clap(long)]
 	at: Option<Hash>,
 
 	/// The solver algorithm to use.
-	#[structopt(subcommand)]
+	#[clap(subcommand)]
 	solver: Solvers,
 }
 
-#[derive(Debug, Clone, StructOpt)]
+#[derive(Debug, Clone, Parser)]
 struct SharedConfig {
 	/// The `ws` node to connect to.
-	#[structopt(long, short, default_value = DEFAULT_URI, env = "URI")]
+	#[clap(long, short, default_value = DEFAULT_URI, env = "URI")]
 	uri: String,
 
 	/// The seed of a funded account in hex.
 	///
 	/// 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.
-	#[structopt(long, short, env = "SEED")]
+	#[clap(long, short, env = "SEED")]
 	seed: String,
 }
 
-#[derive(Debug, Clone, StructOpt)]
+#[derive(Debug, Clone, Parser)]
 struct Opt {
 	/// The `ws` node to connect to.
-	#[structopt(flatten)]
+	#[clap(flatten)]
 	shared: SharedConfig,
 
-	#[structopt(subcommand)]
+	#[clap(subcommand)]
 	command: Command,
 }
 
@@ -523,7 +521,7 @@ async fn main() {
 		.format_module_path(true)
 		.format_level(true)
 		.init();
-	let Opt { shared, command } = Opt::from_args();
+	let Opt { shared, command } = Opt::parse();
 	log::debug!(target: LOG_TARGET, "attempting to connect to {:?}", shared.uri);
 
 	let client = loop {