common arg parser helper for u32

libs/marinade-common-cli/src/matchers.rs

@@ -5,6 +5,7 @@ use solana_clap_utils::keypair::signer_from_path;
 use solana_remote_wallet::remote_wallet::RemoteWalletManager;
 use solana_sdk::pubkey::Pubkey;
 use solana_sdk::signer::Signer;
+use std::num::ParseIntError;
 use std::{str::FromStr, sync::Arc};
 
 // Getting signer from the matched name as the keypair path argument, or returns the default signer
@@ -88,3 +89,10 @@ fn pubkey_or_from_path(
  Ok(signer.pubkey())
  }
 }
+
+pub fn parse_u32(matches: &ArgMatches<'_>, name: &str) -> anyhow::Result<u32> {
+ let value = matches
+ .value_of(name)
+ .ok_or_else(|| anyhow::Error::msg(format!("argument '{}' missing", name)))?;
+ u32::from_str(value).map_err(|err: ParseIntError| anyhow::Error::msg(err))
+}