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375 lines
8.7 KiB
C++
375 lines
8.7 KiB
C++
//
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// Created by mwo on 5/11/15.
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//
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#ifndef XMREG01_TOOLS_H
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#define XMREG01_TOOLS_H
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#define PATH_SEPARARTOR '/'
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#define XMR_AMOUNT(value) \
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static_cast<double>(value) / 1e12
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#define REMOVE_HASH_BRAKETS(a_hash) \
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a_hash.substr(1, a_hash.size()-2)
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#include "monero_headers.h"
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#include "../ext/fmt/ostream.h"
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#include "../ext/fmt/format.h"
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#include "../ext/json.hpp"
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#include <boost/lexical_cast.hpp>
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#include <boost/filesystem.hpp>
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#include <boost/optional.hpp>
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#include <boost/algorithm/string.hpp>
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#include <string>
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#include <vector>
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#include <iterator>
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#include <algorithm>
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#include <type_traits>
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#include <regex>
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/**
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* Some helper functions used in the example.
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* Names are rather self-explanatory, so I think
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* there is no reason for any detailed explanations here
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*/
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namespace xmreg
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{
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using namespace cryptonote;
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using namespace crypto;
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using namespace std;
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namespace bf = boost::filesystem;
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using json = nlohmann::json;
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struct outputs_visitor
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{
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std::vector<crypto::public_key >& m_output_keys;
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const Blockchain& m_bch;
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outputs_visitor(std::vector<crypto::public_key>& output_keys, const Blockchain& bch) :
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m_output_keys(output_keys), m_bch(bch)
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{
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}
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bool handle_output(uint64_t unlock_time, const crypto::public_key &pubkey)
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{
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m_output_keys.push_back(pubkey);
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return true;
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}
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};
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template <typename T>
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bool
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parse_str_secret_key(const string& key_str, T& secret_key);
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template <typename T>
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bool
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parse_str_secret_key(const string& key_str, std::vector<T>& secret_keys)
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{
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const size_t num_keys = key_str.size() / 64;
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if (num_keys * 64 != key_str.size())
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return false;
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secret_keys.resize(num_keys);
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for (size_t i = 0; i < num_keys; ++i)
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{
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if (!parse_str_secret_key(key_str.substr(64*i, 64), secret_keys[i]))
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return false;
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}
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return true;
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}
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bool
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get_tx_pub_key_from_str_hash(Blockchain& core_storage,
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const string& hash_str,
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transaction& tx);
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bool
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parse_str_address(const string& address_str,
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address_parse_info& address_info,
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bool testnet = false);
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inline bool
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is_separator(char c);
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string
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print_address(const address_parse_info& address,
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bool testnet = false);
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string
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print_sig (const signature& sig);
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string
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remove_trailing_path_separator(const string& in_path);
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bf::path
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remove_trailing_path_separator(const bf::path& in_path);
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string
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timestamp_to_str_gm(time_t timestamp, const char* format = "%F %T");
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ostream&
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operator<< (ostream& os, const address_parse_info& addr_info);
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string
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get_default_lmdb_folder(bool testnet = false);
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bool
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generate_key_image(const crypto::key_derivation& derivation,
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const std::size_t output_index,
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const crypto::secret_key& sec_key,
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const crypto::public_key& pub_key,
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crypto::key_image& key_img);
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bool
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get_blockchain_path(const boost::optional<string>& bc_path,
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bf::path& blockchain_path,
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bool testnet = false);
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uint64_t
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sum_money_in_outputs(const transaction& tx);
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pair<uint64_t, uint64_t>
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sum_money_in_outputs(const string& json_str);
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pair<uint64_t, uint64_t>
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sum_money_in_outputs(const json& _json);
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array<uint64_t, 4>
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summary_of_in_out_rct(
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const transaction& tx,
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vector<pair<txout_to_key, uint64_t>>& output_pub_keys,
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vector<txin_to_key>& input_key_imgs);
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// this version for mempool txs from json
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array<uint64_t, 6>
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summary_of_in_out_rct(const json& _json);
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uint64_t
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sum_money_in_inputs(const transaction& tx);
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pair<uint64_t, uint64_t>
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sum_money_in_inputs(const string& json_str);
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pair<uint64_t, uint64_t>
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sum_money_in_inputs(const json& _json);
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uint64_t
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count_nonrct_inputs(const transaction& tx);
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uint64_t
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count_nonrct_inputs(const string& json_str);
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uint64_t
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count_nonrct_inputs(const json& _json);
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array<uint64_t, 2>
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sum_money_in_tx(const transaction& tx);
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array<uint64_t, 2>
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sum_money_in_txs(const vector<transaction>& txs);
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uint64_t
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sum_fees_in_txs(const vector<transaction>& txs);
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uint64_t
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get_mixin_no(const transaction& tx);
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vector<uint64_t>
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get_mixin_no(const string& json_str);
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vector<uint64_t>
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get_mixin_no(const json& _json);
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vector<uint64_t>
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get_mixin_no_in_txs(const vector<transaction>& txs);
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vector<pair<txout_to_key, uint64_t>>
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get_ouputs(const transaction& tx);
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vector<tuple<txout_to_key, uint64_t, uint64_t>>
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get_ouputs_tuple(const transaction& tx);
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vector<txin_to_key>
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get_key_images(const transaction& tx);
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bool
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get_payment_id(const vector<uint8_t>& extra,
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crypto::hash& payment_id,
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crypto::hash8& payment_id8);
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bool
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get_payment_id(const transaction& tx,
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crypto::hash& payment_id,
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crypto::hash8& payment_id8);
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inline double
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get_xmr(uint64_t core_amount)
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{
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return static_cast<double>(core_amount) / 1e12;
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}
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array<size_t, 5>
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timestamp_difference(uint64_t t1, uint64_t t2);
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string
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read(string filename);
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pair<string, double>
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timestamps_time_scale(const vector<uint64_t>& timestamps,
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uint64_t timeN, uint64_t resolution = 80,
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uint64_t time0 = 1397818193 /* timestamp of the second block */);
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bool
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decode_ringct(const rct::rctSig & rv,
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const crypto::public_key pub,
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const crypto::secret_key &sec,
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unsigned int i,
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rct::key & mask,
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uint64_t & amount);
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bool
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decode_ringct(const rct::rctSig & rv,
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const crypto::key_derivation &derivation,
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unsigned int i,
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rct::key & mask,
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uint64_t & amount);
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bool
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url_decode(const std::string& in, std::string& out);
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map<std::string, std::string>
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parse_crow_post_data(const string& req_body);
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// from wallet2::decrypt
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string
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decrypt(const std::string &ciphertext,
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const crypto::secret_key &skey,
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bool authenticated = true);
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// based on
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// crypto::public_key wallet2::get_tx_pub_key_from_received_outs(const tools::wallet2::transfer_details &td) const
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public_key
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get_tx_pub_key_from_received_outs(const transaction &tx);
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static
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string
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xmr_amount_to_str(const uint64_t& xmr_amount,
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string _format="{:0.12f}",
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bool zero_to_question_mark=true)
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{
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string amount_str = "?";
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if (!zero_to_question_mark)
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{
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amount_str = fmt::format(_format, XMR_AMOUNT(xmr_amount));
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}
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else
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{
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if (xmr_amount > 0 && zero_to_question_mark == true)
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{
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amount_str = fmt::format(_format, XMR_AMOUNT(xmr_amount));
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}
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}
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return amount_str;
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}
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bool
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is_output_ours(const size_t& output_index,
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const transaction& tx,
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const public_key& pub_tx_key,
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const secret_key& private_view_key,
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const public_key& public_spend_key);
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bool
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get_real_output_for_key_image(const key_image& ki,
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const transaction& tx,
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const secret_key& private_view_key,
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const public_key& public_spend_key,
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uint64_t output_idx,
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public_key output_pub_key);
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// based on http://stackoverflow.com/a/9943098/248823
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template<typename Iterator, typename Func>
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void chunks(Iterator begin,
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Iterator end,
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iterator_traits<string::iterator>::difference_type k,
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Func f)
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{
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Iterator chunk_begin;
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Iterator chunk_end;
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chunk_end = chunk_begin = begin;
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do
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{
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if(std::distance(chunk_end, end) < k)
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chunk_end = end;
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else
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std::advance(chunk_end, k);
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f(chunk_begin,chunk_end);
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chunk_begin = chunk_end;
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}
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while(std::distance(chunk_begin,end) > 0);
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}
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/*
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* Remove all characters in in_str that match the given
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* regular expression
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*/
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template <typename T>
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inline string
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remove_bad_chars(T&& in_str, std::regex const& rgx = std::regex ("[^a-zA-Z0-9]"))
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{
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return std::regex_replace(std::forward<T>(in_str), rgx, "");
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}
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bool
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make_tx_from_json(const string& json_str, transaction& tx);
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string
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make_printable(const string& in_s);
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string
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get_human_readable_timestamp(uint64_t ts);
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// Get the median of an unordered set of numbers of arbitrary
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// type without modifying the underlying dataset.
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// taken from http://stackoverflow.com/a/19695285
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template <typename It>
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typename std::iterator_traits<It>::value_type
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calc_median(It it_begin, It it_end)
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{
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using T = typename std::iterator_traits<It>::value_type;
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std::vector<T> data(it_begin, it_end);
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std::nth_element(data.begin(), data.begin() + data.size() / 2, data.end());
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return data[data.size() / 2];
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}
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void
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pause_execution(uint64_t no_seconds, const string& text = "now");
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}
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#endif //XMREG01_TOOLS_H
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