INode.h

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// Copyrights(c) 2017-2021, The Electroneum Project
// Copyrights(c) 2014-2019, The Monero Project
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
 
#pragma once
 
#include <cstdint>
#include <system_error>
 
namespace CryptoNote {
 
class INodeObserver {
public:
  virtual void initCompleted(std::error_code result) {}
 
  virtual void peerCountUpdated(size_t count) {}
  virtual void lastLocalBlockHeightUpdated(uint64_t height) {}
  virtual void lastKnownBlockHeightUpdated(uint64_t height) {}
 
  virtual void blockchainReorganized(uint64_t height) {}
};
 
class INode {
public:
  virtual ~INode() = 0;
  virtual void addObserver(INodeObserver* observer) = 0;
  virtual void removeObserver(INodeObserver* observer) = 0;
 
  virtual void init() = 0;
  virtual void shutdown() = 0;
 
  virtual size_t getPeerCount() = 0;
  virtual uint64_t getLastLocalBlockHeight() = 0;
  virtual uint64_t getLastKnownBlockHeight() = 0;
};
 
}