block_iterator.hpp

// Copyright (c) 2019-2022 Xenios SEZC
// https://www.veriblock.org
// Distributed under the MIT software license, see the accompanying
// file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef VERIBLOCK_POP_CPP_STORAGE_ITERATOR_HPP
#define VERIBLOCK_POP_CPP_STORAGE_ITERATOR_HPP
 
#include <cstdint>
#include <vector>
 
namespace altintegration {
 
template <typename BlockT>
struct BlockIterator {
  using prev_hash_t = typename BlockT::hash_t;
 
  virtual ~BlockIterator() = default;
 
  virtual void next() = 0;
 
  virtual bool value(StoredBlockIndex<BlockT>& out) const = 0;
 
  virtual bool key(prev_hash_t& out) const = 0;
 
  virtual bool valid() const = 0;
 
  virtual void seek_start() = 0;
};
 
}  // namespace altintegration
 
#endif