Improved error handling, so that it doesn't crash when a maintainer a…

…ccounts has an empty balance

cli/maintainer/src/maintenance.rs

@@ -506,9 +506,15 @@ impl SolidoState {
 
  let mut maintainer_balances = Vec::new();
  for maintainer in maintainers.entries.iter() {
- maintainer_balances.push(Lamports(
- config.client.get_account(maintainer.pubkey())?.lamports,
- ));
+ let empty_account = Account::default();
+ let account = match config.client.get_account(maintainer.pubkey()) {
+ Ok(account) => account,
+ Err(err) => {
+ eprintln!("Failed to get account for maintainer: {:?}", maintainer.pubkey());
+ &empty_account
+ }
+ };
+ maintainer_balances.push(Lamports(account.lamports));
  }
 
  // The entity executing the maintenance transactions, is the maintainer.