read_only_store.h

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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the Apache 2.0 License.
#pragma once
 
#include "ccf/tx.h"
#include "ccf/tx_id.h"
 
#include <memory>
 
namespace ccf::kv
{
  class ReadOnlyStore
  {
  public:
    virtual ~ReadOnlyStore() = default;
 
    virtual ccf::TxID get_txid() = 0;
    virtual ccf::kv::ReadOnlyTx create_read_only_tx() = 0;
    virtual std::unique_ptr<ccf::kv::ReadOnlyTx> create_read_only_tx_ptr() = 0;
    virtual ccf::kv::TxDiff create_tx_diff() = 0;
  };
 
  using ReadOnlyStorePtr = std::shared_ptr<ReadOnlyStore>;
}