session_keys_api.hpp

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#ifndef KAGOME_RUNTIME_SESSIONKEYSAPI
#define KAGOME_RUNTIME_SESSIONKEYSAPI

#include <optional>

#include <outcome/outcome.hpp>

#include "crypto/crypto_store/key_type.hpp"
#include "primitives/common.hpp"
#include "primitives/opaque_metadata.hpp"

namespace kagome::runtime {

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

    virtual outcome::result<common::Buffer> generate_session_keys(
        const primitives::BlockHash &block_hash,
        std::optional<common::Buffer> seed) = 0;

    virtual outcome::result<
        std::vector<std::pair<crypto::KeyTypeId, common::Buffer>>>
    decode_session_keys(const primitives::BlockHash &block_hash,
                        common::BufferConstRef encoded) const = 0;
  };

}  // namespace kagome::runtime

#endif  // KAGOME_RUNTIME_SESSIONKEYSAPI