75 lines
1.9 KiB
Rust
75 lines
1.9 KiB
Rust
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//! Implementation of the `generate` subcommand
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use bip39::Mnemonic;
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use clap::Parser;
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use itertools::Itertools;
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use sc_cli::{
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with_crypto_scheme, KeystoreParams, OutputTypeFlag,
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CryptoSchemeFlag, Error,
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};
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use crate::params::NetworkSchemeFlag;
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use crate::commands::utils::print_from_uri;
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/// The `generate` command
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#[derive(Debug, Clone, Parser)]
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#[command(name = "generate", about = "Generate a random account")]
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pub struct GenerateCmd {
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/// The number of words in the phrase to generate. One of 12 (default),
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/// 15, 18, 21 and 24.
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#[arg(short = 'w', long, value_name = "WORDS")]
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words: Option<usize>,
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#[allow(missing_docs)]
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#[clap(flatten)]
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pub keystore_params: KeystoreParams,
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#[allow(missing_docs)]
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#[clap(flatten)]
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pub network_scheme: NetworkSchemeFlag,
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#[allow(missing_docs)]
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#[clap(flatten)]
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pub output_scheme: OutputTypeFlag,
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#[allow(missing_docs)]
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#[clap(flatten)]
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pub crypto_scheme: CryptoSchemeFlag,
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}
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impl GenerateCmd {
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/// Run the command
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pub fn run(&self) -> Result<(), Error> {
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let words = match self.words {
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Some(words_count) if [12, 15, 18, 21, 24].contains(&words_count) => Ok(words_count),
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Some(_) => Err(Error::Input(
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"Invalid number of words given for phrase: must be 12/15/18/21/24".into(),
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)),
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None => Ok(12),
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}?;
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let mnemonic = Mnemonic::generate(words)
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.map_err(|e| Error::Input(format!("Mnemonic generation failed: {e}").into()))?;
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let password = self.keystore_params.read_password()?;
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let output = self.output_scheme.output_type;
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let phrase = mnemonic.words().join(" ");
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with_crypto_scheme!(
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self.crypto_scheme.scheme,
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print_from_uri(&phrase, password, self.network_scheme.network, output)
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);
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Ok(())
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn generate() {
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let generate = GenerateCmd::parse_from(&["generate", "--password", "12345"]);
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assert!(generate.run().is_ok())
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}
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}
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