node_interface.h

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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the Apache 2.0 License.
#pragma once
 
#include "ccf/crypto/pem.h"
#include "ccf/ds/quote_info.h"
#include "ccf/node_startup_state.h"
#include "ccf/service/node_info_network.h"
#include "ccf/service/tables/code_id.h"
#include "common/configuration.h"
#include "http/http_builder.h"
#include "http/http_parser.h"
#include "kv/store.h"
#include "node/ledger_secret.h"
#include "node/rpc/gov_effects_interface.h"
#include "node/rpc/node_operation_interface.h"
#include "node/session_metrics.h"
 
namespace ccf
{
  class AbstractNodeState
  {
  public:
    virtual ~AbstractNodeState() = default;
 
    virtual void transition_service_to_open(
      ccf::kv::Tx& tx,
      AbstractGovernanceEffects::ServiceIdentities identities) = 0;
    virtual bool rekey_ledger(ccf::kv::Tx& tx) = 0;
    virtual void trigger_recovery_shares_refresh(ccf::kv::Tx& tx) = 0;
    virtual void trigger_ledger_chunk(ccf::kv::Tx& tx) = 0;
    virtual void trigger_snapshot(ccf::kv::Tx& tx) = 0;
    [[nodiscard]] virtual bool is_in_initialised_state() const = 0;
    [[nodiscard]] virtual bool is_part_of_public_network() const = 0;
    [[nodiscard]] virtual bool is_primary() const = 0;
    virtual bool can_replicate() = 0;
    virtual std::optional<ccf::NodeId> get_primary() = 0;
    [[nodiscard]] virtual bool is_reading_public_ledger() const = 0;
    [[nodiscard]] virtual bool is_reading_private_ledger() const = 0;
    [[nodiscard]] virtual bool is_part_of_network() const = 0;
    virtual ccf::kv::Version get_last_recovered_signed_idx() = 0;
    virtual void initiate_private_recovery(
      ccf::kv::Tx& tx,
      const std::optional<LedgerSecretPtr>& unsealed_ledger_secret =
        std::nullopt) = 0;
    virtual ExtendedState state() = 0;
    virtual QuoteVerificationResult verify_quote(
      ccf::kv::ReadOnlyTx& tx,
      const QuoteInfo& quote_info,
      const std::vector<uint8_t>& expected_node_public_key_der,
      pal::PlatformAttestationMeasurement& measurement) = 0;
    virtual ccf::kv::Version get_startup_snapshot_seqno() = 0;
    virtual SessionMetrics get_session_metrics() = 0;
    virtual size_t get_jwt_attempts() = 0;
    virtual ccf::crypto::Pem get_self_signed_certificate() = 0;
    virtual const ccf::COSESignaturesConfig& get_cose_signatures_config() = 0;
    [[nodiscard]] virtual const ccf::StartupConfig& get_node_config() const = 0;
    virtual ccf::crypto::Pem get_network_cert() = 0;
    virtual void stop_notice() = 0;
    virtual bool has_received_stop_notice() = 0;
    virtual bool is_member_frontend_open() = 0;
    virtual bool is_user_frontend_open() = 0;
    [[nodiscard]] virtual bool is_accessible_to_members() const = 0;
 
    virtual void make_http_request(
      const ::http::URL& url,
      ::http::Request&& req,
      std::function<bool(
        ccf::http_status status,
        ccf::http::HeaderMap&&,
        std::vector<uint8_t>&&)> callback,
      const std::vector<std::string>& ca_certs = {},
      const std::string& app_protocol = "HTTP1",
      bool use_node_client_certificate = false) = 0;
 
    virtual std::shared_ptr<ccf::kv::Store> get_store() = 0;
    virtual ringbuffer::AbstractWriterFactory& get_writer_factory() = 0;
  };
}