monero_utils.h

 
#pragma once
 
#ifndef monero_utils_h
#define monero_utils_h
 
#include "wallet/monero_wallet_model.h"
#include "cryptonote_basic/cryptonote_basic.h"
#include "serialization/keyvalue_serialization.h"   // TODO: consolidate with other binary deps?
#include "storages/portable_storage.h"
 
namespace monero_utils
{
  using namespace cryptonote;
 
  // ------------------------ CONSTANTS ---------------------------
 
  static const int RING_SIZE = 12;  // network-enforced ring size
 
  // ------------------------ BINARY SERIALIZATION ----------------------------
 
  void json_to_binary(const std::string &json, std::string &bin);
  void binary_to_json(const std::string &bin, std::string &json);
  void binary_blocks_to_json(const std::string &bin, std::string &json);
 
  // ------------------------------ RAPIDJSON ---------------------------------
 
  std::string serialize(const rapidjson::Document& doc);
 
  template <class T>
  void add_json_member(std::string key, T val, rapidjson::Document::AllocatorType& allocator, rapidjson::Value& root, rapidjson::Value& field) {
    rapidjson::Value field_key(key.c_str(), key.size(), allocator);
    field.SetInt64((uint64_t) val);
    root.AddMember(field_key, field, allocator);
  }
  void add_json_member(std::string key, std::string val, rapidjson::Document::AllocatorType& allocator, rapidjson::Value& root, rapidjson::Value& field);
  void add_json_member(std::string key, bool val, rapidjson::Document::AllocatorType& allocator, rapidjson::Value& root);
 
  // TODO: template implementation here, could move to monero_utils.hpp per https://stackoverflow.com/questions/3040480/c-template-function-compiles-in-header-but-not-implementation
  template <class T> rapidjson::Value to_rapidjson_val(rapidjson::Document::AllocatorType& allocator, const std::vector<std::shared_ptr<T>>& vals) {
    rapidjson::Value value_arr(rapidjson::kArrayType);
    for (const auto& val : vals) {
      value_arr.PushBack(val->to_rapidjson_val(allocator), allocator);
    }
    return value_arr;
  }
 
  // TODO: template implementation here, could move to monero_utils.hpp per https://stackoverflow.com/questions/3040480/c-template-function-compiles-in-header-but-not-implementation
  template <class T> rapidjson::Value to_rapidjson_val(rapidjson::Document::AllocatorType& allocator, const std::vector<T>& vals) {
    rapidjson::Value value_arr(rapidjson::kArrayType);
    for (const auto& val : vals) {
      value_arr.PushBack(val.to_rapidjson_val(allocator), allocator);
    }
    return value_arr;
  }
 
  rapidjson::Value to_rapidjson_val(rapidjson::Document::AllocatorType& allocator, const std::vector<std::string>& strs);
  rapidjson::Value to_rapidjson_val(rapidjson::Document::AllocatorType& allocator, const std::vector<uint8_t>& nums);
  rapidjson::Value to_rapidjson_val(rapidjson::Document::AllocatorType& allocator, const std::vector<uint32_t>& nums);
  rapidjson::Value to_rapidjson_val(rapidjson::Document::AllocatorType& allocator, const std::vector<uint64_t>& nums);
 
  // ------------------------ PROPERTY TREES ---------------------------
 
  // TODO: fully switch from property trees to rapidjson
 
  std::string serialize(const boost::property_tree::ptree& node);
  void deserialize(const std::string& json, boost::property_tree::ptree& root);
 
  // --------------------------------------------------------------------------
 
  bool is_valid_language(const std::string& language);
 
  std::shared_ptr<monero_block> cn_block_to_block(const cryptonote::block& cn_block);
 
  std::shared_ptr<monero_tx> cn_tx_to_tx(const cryptonote::transaction& cn_tx, bool init_as_tx_wallet = false);
 
  static std::string get_pruned_tx_json(cryptonote::transaction &tx)
  {
    std::stringstream ss;
    json_archive<true> ar(ss);
    bool r = tx.serialize_base(ar);
    CHECK_AND_ASSERT_MES(r, std::string(), "Failed to serialize rct signatures base");
    return ss.str();
  }
 
  static void free(std::shared_ptr<monero_block> block) {
    for (std::shared_ptr<monero_tx>& tx : block->m_txs) {
      tx->m_block.reset();
      monero_tx_wallet* tx_wallet = dynamic_cast<monero_tx_wallet*>(tx.get());
      if (tx_wallet != nullptr) {
        if (tx_wallet->m_outgoing_transfer != boost::none) tx_wallet->m_outgoing_transfer.get()->m_tx.reset();
        for (std::shared_ptr<monero_transfer> transfer : tx_wallet->m_incoming_transfers) transfer->m_tx.reset();
        for (std::shared_ptr<monero_output> output : tx_wallet->m_outputs) output->m_tx.reset();
        for (std::shared_ptr<monero_output> input : tx_wallet->m_inputs) {
          input->m_key_image.reset();
          input->m_tx.reset();
        }
      }
    }
    block.reset();
  }
 
  static void free(std::vector<std::shared_ptr<monero_block>> blocks) {
    for (std::shared_ptr<monero_block>& block : blocks) monero_utils::free(block);
  }
}
#endif /* monero_utils_h */