pub fn sequence_zkapp_command_with_ledger(
max_account_updates: Option<usize>,
max_token_updates: Option<usize>,
length: Option<usize>,
vk: Option<VerificationKeyWire>,
failure: Option<&Failure>,
) -> (Vec<(UserCommand, Rc<Keypair>, Rc<HashMap<HashableCompressedPubKey, Keypair>>)>, Mask)