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openmonero/src/utils.h

294 lines
6.6 KiB

//
// Created by mwo on 5/11/15.
//
#ifndef XMREG01_TOOLS_H
#define XMREG01_TOOLS_H
#define PATH_SEPARARTOR '/'
#define XMR_AMOUNT(value) \
static_cast<double>(value) / 1e12
#define REMOVE_HASH_BRAKETS(a_hash) \
a_hash.substr(1, a_hash.size()-2)
#include "src/monero_headers.h"
#include "ext/json.hpp"
#include <boost/lexical_cast.hpp>
#include <boost/filesystem.hpp>
#include <boost/optional.hpp>
#include <boost/algorithm/string.hpp>
#include <string>
#include <vector>
#include <array>
#include <random>
/**
* Some helper functions that might or might not be useful in this project.
* Names are rather self-explanatory, so I think
* there is no reason for any detailed explanations here
*/
namespace xmreg
{
using namespace cryptonote;
using namespace crypto;
using namespace std;
namespace bf = boost::filesystem;
//namespace pt = boost::posix_time;
//namespace gt = boost::gregorian;
using json = nlohmann::json;
using epee::string_tools::pod_to_hex;
using epee::string_tools::hex_to_pod;
bool
get_tx_pub_key_from_str_hash(Blockchain& core_storage,
const string& hash_str,
transaction& tx);
inline bool
is_separator(char c);
string
print_sig (const signature& sig);
string
timestamp_to_str_gm(time_t timestamp, const char* format = "%F %T");
ostream&
operator<< (ostream& os, const address_parse_info& addr);
bool
generate_key_image(const crypto::key_derivation& derivation,
const std::size_t output_index,
const crypto::secret_key& sec_key,
const crypto::public_key& pub_key,
crypto::key_image& key_img);
array<uint64_t, 4>
summary_of_in_out_rct(
const transaction& tx,
vector<pair<txout_to_key, uint64_t>>& output_pub_keys,
vector<txin_to_key>& input_key_imgs);
// this version for mempool txs from json
array<uint64_t, 6>
summary_of_in_out_rct(const json& _json);
uint64_t
sum_money_in_outputs(const transaction& tx);
pair<uint64_t, uint64_t>
sum_money_in_outputs(const string& json_str);
uint64_t
sum_money_in_inputs(const transaction& tx);
pair<uint64_t, uint64_t>
sum_money_in_inputs(const string& json_str);
array<uint64_t, 2>
sum_money_in_tx(const transaction& tx);
array<uint64_t, 2>
sum_money_in_txs(const vector<transaction>& txs);
uint64_t
sum_fees_in_txs(const vector<transaction>& txs);
uint64_t
get_mixin_no(const transaction& tx);
vector<uint64_t>
get_mixin_no(const string& json_str);
vector<uint64_t>
get_mixin_no_in_txs(const vector<transaction>& txs);
vector<pair<txout_to_key, uint64_t>>
get_ouputs(const transaction& tx);
vector<tuple<txout_to_key, uint64_t, uint64_t>>
get_ouputs_tuple(const transaction& tx);
vector<txin_to_key>
get_key_images(const transaction& tx);
bool
get_payment_id(const vector<uint8_t>& extra,
crypto::hash& payment_id,
crypto::hash8& payment_id8);
inline bool
get_payment_id(const transaction& tx,
crypto::hash& payment_id,
crypto::hash8& payment_id8)
{
return get_payment_id(tx.extra, payment_id, payment_id8);
}
inline tuple<crypto::hash, crypto::hash8>
get_payment_id(transaction const& tx)
{
crypto::hash payment_id;
crypto::hash8 payment_id8;
get_payment_id(tx.extra, payment_id, payment_id8);
return make_tuple(payment_id, payment_id8);
}
// Encryption and decryption are the same operation (xor with a key)
bool
encrypt_payment_id(crypto::hash8 &payment_id,
const crypto::public_key &public_key,
const crypto::secret_key &secret_key);
inline double
get_xmr(uint64_t core_amount)
{
return static_cast<double>(core_amount) / 1e12;
}
array<size_t, 5>
timestamp_difference(uint64_t t1, uint64_t t2);
string
read(string filename);
pair<string, double>
timestamps_time_scale(const vector<uint64_t>& timestamps,
uint64_t timeN, uint64_t resolution = 80,
uint64_t time0 = 1397818193 /* timestamp of the second block */);
bool
decode_ringct(const rct::rctSig & rv,
const crypto::public_key &pub,
const crypto::secret_key &sec,
unsigned int i,
rct::key & mask,
uint64_t & amount);
bool
decode_ringct(rct::rctSig const& rv,
crypto::key_derivation const& derivation,
unsigned int i,
rct::key& mask,
uint64_t& amount);
bool
url_decode(const std::string& in, std::string& out);
map<std::string, std::string>
parse_crow_post_data(const string& req_body);
//string
//xmr_amount_to_str(const uint64_t& xmr_amount, string format="{:0.12f}");
bool
is_output_ours(const size_t& output_index,
const transaction& tx,
const public_key& pub_tx_key,
const secret_key& private_view_key,
const public_key& public_spend_key);
// based on http://stackoverflow.com/a/9943098/248823
template<typename Iterator, typename Func>
void chunks(Iterator begin,
Iterator end,
iterator_traits<string::iterator>::difference_type k,
Func f)
{
Iterator chunk_begin;
Iterator chunk_end;
chunk_end = chunk_begin = begin;
do
{
if(std::distance(chunk_end, end) < k)
chunk_end = end;
else
std::advance(chunk_end, k);
f(chunk_begin,chunk_end);
chunk_begin = chunk_end;
}
while(std::distance(chunk_begin,end) > 0);
}
bool
make_tx_from_json(const string& json_str, transaction& tx);
inline
crypto::hash
generated_payment_id()
{
return crypto::rand<crypto::hash>();
}
string
get_human_readable_timestamp(uint64_t ts);
string
make_hash(const string& in_str);
bool
hex_to_tx_blob(string const& tx_hex, string& tx_blob);
bool
hex_to_complete_block(string const& cblk_str,
block_complete_entry& cblk);
bool
hex_to_complete_block(vector<string> const& cblks_str,
vector<block_complete_entry> & cblks);
bool
blocks_and_txs_from_complete_blocks(
vector<block_complete_entry> const& cblks,
vector<block>& blocks,
vector<transaction>& txs);
// this function only useful in google test for mocking
// ring member output info
bool
output_data_from_hex(
string const& out_data_hex,
std::map<vector<uint64_t>,
vector<cryptonote::output_data_t>>& outputs_data_map);
// this function only useful in google test for mocking
// known outputs and their amounts
bool
populate_known_outputs_from_csv(
string const& csv_file,
std::unordered_map<public_key, uint64_t>& known_outputs,
bool skip_first_line = true);
}
#endif //XMREG01_TOOLS_H