Function unpack

pub fn unpack<L, C, K>(
    owner_api: &mut Owner<L, C, K>,
    keychain_mask: Option<&SecretKey>,
    args: ReceiveArgs,
) -> Result<(), Error>
where
    L: WalletLCProvider<'static, C, K>,
    C: NodeClient + 'static,
    K: Keychain + 'static,