ed25519_provider.hpp

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#ifndef KAGOME_CORE_CRYPTO_ED25519_PROVIDER_HPP
#define KAGOME_CORE_CRYPTO_ED25519_PROVIDER_HPP

#include <gsl/span>
#include <outcome/outcome.hpp>
#include "crypto/ed25519_types.hpp"

namespace kagome::crypto {

  class Ed25519Provider {
   public:
    virtual ~Ed25519Provider() = default;

    virtual Ed25519KeypairAndSeed generateKeypair() const = 0;

    virtual Ed25519Keypair generateKeypair(const Ed25519Seed &seed) const = 0;

    virtual outcome::result<Ed25519Signature> sign(
        const Ed25519Keypair &keypair,
        gsl::span<const uint8_t> message) const = 0;

    virtual outcome::result<bool> verify(
        const Ed25519Signature &signature,
        gsl::span<const uint8_t> message,
        const Ed25519PublicKey &public_key) const = 0;
  };
}  // namespace kagome::crypto

#endif  // KAGOME_CORE_CRYPTO_ED25519_PROVIDER_HPP