feat: initialize Kurdistan SDK - independent fork of Polkadot SDK

substrate/client/cli/src/commands/generate.rs

@@ -0,0 +1,87 @@
+// This file is part of Substrate.
+
+// Copyright (C) Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: GPL-3.0-or-later WITH Classpath-exception-2.0
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+//! Implementation of the `generate` subcommand
+use crate::{
+	utils::print_from_uri, with_crypto_scheme, CryptoSchemeFlag, Error, KeystoreParams,
+	NetworkSchemeFlag, OutputTypeFlag,
+};
+use bip39::Mnemonic;
+use clap::Parser;
+use itertools::Itertools;
+
+/// The `generate` command
+#[derive(Debug, Clone, Parser)]
+#[command(name = "generate", about = "Generate a random account")]
+pub struct GenerateCmd {
+	/// The number of words in the phrase to generate. One of 12 (default), 15, 18, 21 and 24.
+	#[arg(short = 'w', long, value_name = "WORDS")]
+	words: Option<usize>,
+
+	#[allow(missing_docs)]
+	#[clap(flatten)]
+	pub keystore_params: KeystoreParams,
+
+	#[allow(missing_docs)]
+	#[clap(flatten)]
+	pub network_scheme: NetworkSchemeFlag,
+
+	#[allow(missing_docs)]
+	#[clap(flatten)]
+	pub output_scheme: OutputTypeFlag,
+
+	#[allow(missing_docs)]
+	#[clap(flatten)]
+	pub crypto_scheme: CryptoSchemeFlag,
+}
+
+impl GenerateCmd {
+	/// Run the command
+	pub fn run(&self) -> Result<(), Error> {
+		let words = match self.words {
+			Some(words_count) if [12, 15, 18, 21, 24].contains(&words_count) => Ok(words_count),
+			Some(_) => Err(Error::Input(
+				"Invalid number of words given for phrase: must be 12/15/18/21/24".into(),
+			)),
+			None => Ok(12),
+		}?;
+		let mnemonic = Mnemonic::generate(words)
+			.map_err(|e| Error::Input(format!("Mnemonic generation failed: {e}").into()))?;
+		let password = self.keystore_params.read_password()?;
+		let output = self.output_scheme.output_type;
+
+		let phrase = mnemonic.words().join(" ");
+
+		with_crypto_scheme!(
+			self.crypto_scheme.scheme,
+			print_from_uri(&phrase, password, self.network_scheme.network, output)
+		);
+		Ok(())
+	}
+}
+
+#[cfg(test)]
+mod tests {
+	use super::*;
+
+	#[test]
+	fn generate() {
+		let generate = GenerateCmd::parse_from(&["generate", "--password", "12345"]);
+		assert!(generate.run().is_ok())
+	}
+}