hypercore 0.8.1

Secure, distributed, append-only log
Documentation 
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extern crate ed25519_dalek;
extern crate hypercore;

use ed25519_dalek::PublicKey;
use hypercore::{generate_keypair, sign, verify, Signature, Storage};

#[test]
fn should_write_and_read_keypair() {
  let keypair = generate_keypair();
  let msg = b"hello";
  // prepare a signature
  let sig: Signature = sign(&keypair.public, &keypair.secret, msg);

  let mut storage = Storage::new_memory().unwrap();
  assert!(
    storage.write_secret_key(&keypair.secret).is_ok(),
    "Can not store secret key."
  );
  assert!(
    storage.write_public_key(&keypair.public).is_ok(),
    "Can not store public key."
  );

  let read = storage.read_public_key();
  assert!(read.is_ok(), "Can not read public key");
  let public_key: PublicKey = read.unwrap();
  assert!(verify(&public_key, msg, Some(&sig)).is_ok());
}

#[test]
fn should_read_partial_keypair() {
  let keypair = generate_keypair();
  let mut storage = Storage::new_memory().unwrap();
  assert!(
    storage.write_public_key(&keypair.public).is_ok(),
    "Can not store public key."
  );

  let partial = storage.read_partial_keypair().unwrap();
  assert!(partial.secret.is_none(), "A secret key is present");
}

#[test]
fn should_read_no_keypair() {
  let mut storage = Storage::new_memory().unwrap();
  let partial = storage.read_partial_keypair();
  assert!(partial.is_none(), "A key is present");
}

#[test]
fn should_read_empty_public_key() {
  let mut storage = Storage::new_memory().unwrap();
  assert!(storage.read_public_key().is_err());
}