ringdb.h

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// Copyright (c) 2018-2022, The Monero Project
 
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
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#pragma once
 
#include <string>
#include <vector>
#include <lmdb.h>
#include "wipeable_string.h"
#include "crypto/crypto.h"
#include "cryptonote_basic/cryptonote_basic.h"
 
namespace tools
{
  class ringdb
  {
  public:
    ringdb(std::string filename, const std::string &genesis);
    void close();
    ~ringdb();
 
    bool add_rings(const crypto::chacha_key &chacha_key, const cryptonote::transaction_prefix &tx);
    bool remove_rings(const crypto::chacha_key &chacha_key, const std::vector<crypto::key_image> &key_images);
    bool remove_rings(const crypto::chacha_key &chacha_key, const cryptonote::transaction_prefix &tx);
    bool get_ring(const crypto::chacha_key &chacha_key, const crypto::key_image &key_image, std::vector<uint64_t> &outs);
    bool get_rings(const crypto::chacha_key &chacha_key, const std::vector<crypto::key_image> &key_images, std::vector<std::vector<uint64_t>> &all_outs);
    bool set_ring(const crypto::chacha_key &chacha_key, const crypto::key_image &key_image, const std::vector<uint64_t> &outs, bool relative);
    bool set_rings(const crypto::chacha_key &chacha_key, const std::vector<std::pair<crypto::key_image, std::vector<uint64_t>>> &rings, bool relative);
 
    bool blackball(const std::pair<uint64_t, uint64_t> &output);
    bool blackball(const std::vector<std::pair<uint64_t, uint64_t>> &outputs);
    bool unblackball(const std::pair<uint64_t, uint64_t> &output);
    bool blackballed(const std::pair<uint64_t, uint64_t> &output);
    bool clear_blackballs();
 
  private:
    bool blackball_worker(const std::vector<std::pair<uint64_t, uint64_t>> &outputs, int op);
 
  private:
    std::string filename;
    MDB_env *env;
    MDB_dbi dbi_rings;
    MDB_dbi dbi_blackballs;
  };
}