pub async fn seed_keypair<P, S, Seed>(
    pub_key: P,
    sec_key: S,
    seed: Seed
) -> impl Future<Output = Result<(), OneErr>>where
    P: 'static + Into<BufWriteSized<_>> + Send,
    S: 'static + Into<BufWriteSized<_>> + Send,
    Seed: 'static + Into<BufReadSized<_>> + Send,
Expand description

create an ed25519 signature keypair from a private seed