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1320 lines
30 KiB
C++
1320 lines
30 KiB
C++
//
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// Created by marcin on 5/11/15.
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//
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#include "tools.h"
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#include <codecvt>
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#include <thread>
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namespace xmreg
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{
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/**
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* Parse key string, e.g., a viewkey in a string
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* into crypto::secret_key or crypto::public_key
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* depending on the template argument.
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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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{
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// hash and keys have same structure, so to parse string of
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// a key, e.g., a view key, we can first parse it into the hash
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// object using parse_hash256 function, and then copy the reslting
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// hash data into secret key.
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crypto::hash hash_;
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if(!parse_hash256(key_str, hash_))
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{
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cerr << "Cant parse a key (e.g. viewkey): " << key_str << endl;
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return false;
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}
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// crypto::hash and crypto::secret_key have basicly same
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// structure. They both keep they key/hash as c-style char array
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// of fixed size. Thus we can just copy data from hash
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// to key
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copy(begin(hash_.data), end(hash_.data), secret_key.data);
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return true;
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}
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// explicit instantiations of get template function
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template bool parse_str_secret_key<crypto::secret_key>(const string& key_str, crypto::secret_key& secret_key);
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template bool parse_str_secret_key<crypto::public_key>(const string& key_str, crypto::public_key& secret_key);
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template bool parse_str_secret_key<crypto::hash>(const string& key_str, crypto::hash& secret_key);
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/**
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* Get transaction tx using given tx hash. Hash is represent as string here,
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* so before we can tap into the blockchain, we need to pare it into
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* crypto::hash object.
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*/
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bool
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get_tx_pub_key_from_str_hash(Blockchain& core_storage, const string& hash_str, transaction& tx)
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{
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crypto::hash tx_hash;
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parse_hash256(hash_str, tx_hash);
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try
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{
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// get transaction with given hash
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tx = core_storage.get_db().get_tx(tx_hash);
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}
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catch (const TX_DNE& e)
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{
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cerr << e.what() << endl;
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return false;
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}
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return true;
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}
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/**
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* Parse monero address in a string form into
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* cryptonote::account_public_address object
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*/
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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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cryptonote::network_type nettype)
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{
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if (!get_account_address_from_str(address_info, nettype, address_str))
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{
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cerr << "Error getting address: " << address_str << endl;
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return false;
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}
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return true;
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}
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/**
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* Return string representation of monero address
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*/
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string
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print_address(const address_parse_info& address_info, cryptonote::network_type nettype)
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{
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return "<" + get_account_address_as_str(
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nettype, address_info.is_subaddress, address_info.address)
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+ ">";
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}
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string
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print_sig (const signature& sig)
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{
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stringstream ss;
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ss << "c: <" << epee::string_tools::pod_to_hex(sig.c) << "> "
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<< "r: <" << epee::string_tools::pod_to_hex(sig.r) << ">";
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return ss.str();
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}
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/**
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* Check if a character is a path seprator
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*/
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inline bool
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is_separator(char c)
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{
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// default linux path separator
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const char separator = PATH_SEPARARTOR;
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return c == separator;
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}
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/**
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* Remove trailinig path separator.
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*/
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string
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remove_trailing_path_separator(const string& in_path)
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{
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string new_string = in_path;
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if (!new_string.empty() && is_separator(new_string[new_string.size() - 1]))
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new_string.erase(new_string.size() - 1);
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return new_string;
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}
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bf::path
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remove_trailing_path_separator(const bf::path& in_path)
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{
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#ifdef WIN32
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std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter;
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string path_str = converter.to_bytes(in_path.native());
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#else
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string path_str = in_path.native();
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#endif
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return bf::path(remove_trailing_path_separator(path_str));
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}
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//string
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//timestamp_to_str(time_t timestamp, const char* format)
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//{
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// return get_human_readable_timestamp(timestamp);
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//}
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string
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timestamp_to_str_gm(time_t timestamp, const char* format)
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{
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const time_t* t = ×tamp;
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const int TIME_LENGTH = 60;
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char str_buff[TIME_LENGTH];
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std::tm tmp;
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gmtime_r(t, &tmp);
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size_t len;
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len = std::strftime(str_buff, TIME_LENGTH, format, &tmp);
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return string(str_buff, len);
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}
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ostream&
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operator<< (ostream& os, const address_parse_info& addr_info)
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{
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os << get_account_address_as_str(network_type::MAINNET, addr_info.is_subaddress, addr_info.address);
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return os;
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}
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/*
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* Generate key_image of foran ith output
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*/
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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 i,
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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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{
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cryptonote::keypair in_ephemeral;
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if (!crypto::derive_public_key(derivation, i,
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pub_key,
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in_ephemeral.pub))
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{
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cerr << "Error generating publick key " << pub_key << endl;
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return false;
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}
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try
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{
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crypto::derive_secret_key(derivation, i,
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sec_key,
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in_ephemeral.sec);
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}
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catch(const std::exception& e)
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{
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cerr << "Error generate secret image: " << e.what() << endl;
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return false;
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}
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try
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{
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crypto::generate_key_image(in_ephemeral.pub,
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in_ephemeral.sec,
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key_img);
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}
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catch(const std::exception& e)
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{
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cerr << "Error generate key image: " << e.what() << endl;
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return false;
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}
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return true;
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}
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string
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get_default_lmdb_folder(cryptonote::network_type nettype)
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{
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// default path to monero folder
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// on linux this is /home/<username>/.bitmonero
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string default_monero_dir = tools::get_default_data_dir();
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if (nettype == cryptonote::network_type::TESTNET)
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default_monero_dir += "/testnet";
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if (nettype == cryptonote::network_type::STAGENET)
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default_monero_dir += "/stagenet";
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// the default folder of the lmdb blockchain database
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// is therefore as follows
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return default_monero_dir + string("/lmdb");
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}
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/*
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* Ge blockchain exception from command line option
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*
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* If not given, provide default path
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*/
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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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cryptonote::network_type nettype)
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{
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// the default folder of the lmdb blockchain database
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string default_lmdb_dir = xmreg::get_default_lmdb_folder(nettype);
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blockchain_path = bc_path
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? bf::path(*bc_path)
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: bf::path(default_lmdb_dir);
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if (!bf::is_directory(blockchain_path))
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{
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cerr << "Given path \"" << blockchain_path << "\" "
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<< "is not a folder or does not exist" << " "
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<< endl;
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return false;
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}
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blockchain_path = xmreg::remove_trailing_path_separator(blockchain_path);
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return true;
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}
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uint64_t
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sum_money_in_outputs(const transaction& tx)
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{
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uint64_t sum_xmr {0};
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for (const tx_out& txout: tx.vout)
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{
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sum_xmr += txout.amount;
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}
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return sum_xmr;
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}
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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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{
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pair<uint64_t, uint64_t> sum_xmr {0, 0};
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json j;
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try
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{
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j = json::parse( json_str);
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}
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catch (std::invalid_argument& e)
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{
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cerr << "sum_money_in_outputs: " << e.what() << endl;
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return sum_xmr;
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}
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for (json& vout: j["vout"])
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{
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sum_xmr.first += vout["amount"].get<uint64_t>();
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++sum_xmr.second;
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}
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return sum_xmr;
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};
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pair<uint64_t, uint64_t>
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sum_money_in_outputs(const json& _json)
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{
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pair<uint64_t, uint64_t> sum_xmr {0ULL, 0ULL};
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for (const json& vout: _json["vout"])
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{
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sum_xmr.first += vout["amount"].get<uint64_t>();
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++sum_xmr.second;
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}
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return sum_xmr;
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};
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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<output_tuple_with_tag>& output_pub_keys,
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vector<txin_to_key>& input_key_imgs)
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{
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uint64_t xmr_outputs {0};
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uint64_t xmr_inputs {0};
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uint64_t mixin_no {0};
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uint64_t num_nonrct_inputs {0};
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for (const tx_out& txout: tx.vout)
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{
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public_key output_pub_key;
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if (!cryptonote::get_output_public_key(txout, output_pub_key))
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{
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// push empty pair.
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output_pub_keys.push_back(output_tuple_with_tag {
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public_key{},
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uint64_t{},
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boost::none
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});
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continue;
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}
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boost::optional<view_tag> output_tag;
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if (txout.target.type() == typeid(txout_to_tagged_key)) {
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output_tag = boost::get< txout_to_tagged_key >(txout.target).view_tag;
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}
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output_pub_keys.push_back(
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make_tuple(output_pub_key,
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txout.amount,
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output_tag));
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xmr_outputs += txout.amount;
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}
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size_t input_no = tx.vin.size();
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for (size_t i = 0; i < input_no; ++i)
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{
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if(tx.vin[i].type() != typeid(cryptonote::txin_to_key))
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{
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continue;
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}
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// get tx input key
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const cryptonote::txin_to_key& tx_in_to_key
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= boost::get<cryptonote::txin_to_key>(tx.vin[i]);
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xmr_inputs += tx_in_to_key.amount;
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if (tx_in_to_key.amount != 0)
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{
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++num_nonrct_inputs;
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}
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if (mixin_no == 0)
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{
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mixin_no = tx_in_to_key.key_offsets.size();
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}
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input_key_imgs.push_back(tx_in_to_key);
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} // for (size_t i = 0; i < input_no; ++i)
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return {xmr_outputs, xmr_inputs, mixin_no, num_nonrct_inputs};
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};
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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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{
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uint64_t xmr_outputs {0};
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uint64_t xmr_inputs {0};
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uint64_t no_outputs {0};
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uint64_t no_inputs {0};
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uint64_t mixin_no {0};
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uint64_t num_nonrct_inputs {0};
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for (const json& vout: _json["vout"])
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{
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xmr_outputs += vout["amount"].get<uint64_t>();
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}
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no_outputs = _json["vout"].size();
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for (const json& vin: _json["vin"])
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{
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uint64_t amount = vin["key"]["amount"].get<uint64_t>();
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xmr_inputs += amount;
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if (amount != 0)
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++num_nonrct_inputs;
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}
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no_inputs = _json["vin"].size();
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mixin_no = _json["vin"].at(0)["key"]["key_offsets"].size() - 1;
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return {xmr_outputs, xmr_inputs, no_outputs, no_inputs, mixin_no, num_nonrct_inputs};
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};
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uint64_t
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sum_money_in_inputs(const transaction& tx)
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{
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uint64_t sum_xmr {0};
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size_t input_no = tx.vin.size();
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for (size_t i = 0; i < input_no; ++i)
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{
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if(tx.vin[i].type() != typeid(cryptonote::txin_to_key))
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{
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continue;
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}
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// get tx input key
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const cryptonote::txin_to_key& tx_in_to_key
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= boost::get<cryptonote::txin_to_key>(tx.vin[i]);
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sum_xmr += tx_in_to_key.amount;
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}
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return sum_xmr;
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}
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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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{
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pair<uint64_t, uint64_t> sum_xmr {0, 0};
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json j;
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try
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{
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j = json::parse( json_str);
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}
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catch (std::invalid_argument& e)
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{
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cerr << "sum_money_in_outputs: " << e.what() << endl;
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return sum_xmr;
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}
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for (json& vin: j["vin"])
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{
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sum_xmr.first += vin["key"]["amount"].get<uint64_t>();
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++sum_xmr.second;
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}
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return sum_xmr;
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};
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pair<uint64_t, uint64_t>
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sum_money_in_inputs(const json& _json)
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{
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pair<uint64_t, uint64_t> sum_xmr {0, 0};
|
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for (const json& vin: _json["vin"])
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{
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sum_xmr.first += vin["key"]["amount"].get<uint64_t>();
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++sum_xmr.second;
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}
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return sum_xmr;
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};
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uint64_t
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count_nonrct_inputs(const transaction& tx)
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{
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uint64_t num {0};
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size_t input_no = tx.vin.size();
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for (size_t i = 0; i < input_no; ++i)
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{
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if(tx.vin[i].type() != typeid(cryptonote::txin_to_key))
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{
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continue;
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}
|
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// get tx input key
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const cryptonote::txin_to_key& tx_in_to_key
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= boost::get<cryptonote::txin_to_key>(tx.vin[i]);
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if (tx_in_to_key.amount != 0)
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++num;
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}
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return num;
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}
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uint64_t
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count_nonrct_inputs(const string& json_str)
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{
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uint64_t num {0};
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json j;
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try
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{
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j = json::parse( json_str);
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}
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catch (std::invalid_argument& e)
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{
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cerr << "count_nonrct_inputs: " << e.what() << endl;
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return num;
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}
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|
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for (json& vin: j["vin"])
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{
|
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uint64_t amount = vin["key"]["amount"].get<uint64_t>();
|
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if (amount != 0)
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++num;
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}
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return num;
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};
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|
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uint64_t
|
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count_nonrct_inputs(const json& _json)
|
|
{
|
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uint64_t num {0};
|
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|
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for (const json& vin: _json["vin"])
|
|
{
|
|
uint64_t amount = vin["key"]["amount"].get<uint64_t>();
|
|
if (amount != 0)
|
|
++num;
|
|
}
|
|
|
|
return num;
|
|
};
|
|
|
|
array<uint64_t, 2>
|
|
sum_money_in_tx(const transaction& tx)
|
|
{
|
|
array<uint64_t, 2> sum_xmr;
|
|
|
|
sum_xmr[0] = sum_money_in_inputs(tx);
|
|
sum_xmr[1] = sum_money_in_outputs(tx);
|
|
|
|
return sum_xmr;
|
|
};
|
|
|
|
|
|
array<uint64_t, 2>
|
|
sum_money_in_txs(const vector<transaction>& txs)
|
|
{
|
|
array<uint64_t, 2> sum_xmr {0,0};
|
|
|
|
for (const transaction& tx: txs)
|
|
{
|
|
sum_xmr[0] += sum_money_in_inputs(tx);
|
|
sum_xmr[1] += sum_money_in_outputs(tx);
|
|
}
|
|
|
|
return sum_xmr;
|
|
};
|
|
|
|
|
|
uint64_t
|
|
sum_fees_in_txs(const vector<transaction>& txs)
|
|
{
|
|
uint64_t fees_sum {0};
|
|
|
|
for (const transaction& tx: txs)
|
|
{
|
|
fees_sum += get_tx_fee(tx);
|
|
}
|
|
|
|
return fees_sum;
|
|
}
|
|
|
|
vector<output_tuple_with_tag>
|
|
get_ouputs(const transaction& tx)
|
|
{
|
|
vector<output_tuple_with_tag> outputs;
|
|
|
|
for (const tx_out& txout: tx.vout)
|
|
{
|
|
public_key output_pub_key;
|
|
if (!cryptonote::get_output_public_key(txout, output_pub_key))
|
|
{
|
|
// push empty tuple.
|
|
outputs.push_back(output_tuple_with_tag {
|
|
public_key{},
|
|
uint64_t{},
|
|
boost::none
|
|
});
|
|
continue;
|
|
}
|
|
|
|
boost::optional<view_tag> output_tag;
|
|
|
|
if (txout.target.type() == typeid(txout_to_tagged_key)) {
|
|
output_tag = boost::get< txout_to_tagged_key >(txout.target)
|
|
.view_tag;
|
|
}
|
|
|
|
outputs.push_back(make_tuple(output_pub_key,
|
|
txout.amount,
|
|
output_tag));
|
|
}
|
|
|
|
return outputs;
|
|
|
|
};
|
|
|
|
vector<tuple<public_key, uint64_t, uint64_t>>
|
|
get_ouputs_tuple(const transaction& tx)
|
|
{
|
|
vector<tuple<public_key, uint64_t, uint64_t>> outputs;
|
|
|
|
for (uint64_t n = 0; n < tx.vout.size(); ++n)
|
|
{
|
|
|
|
public_key output_pub_key;
|
|
if (!cryptonote::get_output_public_key(tx.vout[n], output_pub_key))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
outputs.push_back(make_tuple(output_pub_key, tx.vout[n].amount, n));
|
|
}
|
|
|
|
return outputs;
|
|
};
|
|
|
|
uint64_t
|
|
get_mixin_no(const transaction& tx)
|
|
{
|
|
uint64_t mixin_no {0};
|
|
|
|
size_t input_no = tx.vin.size();
|
|
|
|
for (size_t i = 0; i < input_no; ++i)
|
|
{
|
|
|
|
if(tx.vin[i].type() != typeid(cryptonote::txin_to_key))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
// get tx input key
|
|
const txin_to_key& tx_in_to_key
|
|
= boost::get<cryptonote::txin_to_key>(tx.vin[i]);
|
|
|
|
mixin_no = tx_in_to_key.key_offsets.size();
|
|
|
|
// look for first mixin number.
|
|
// all inputs in a single transaction have same number
|
|
if (mixin_no > 0)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
return mixin_no;
|
|
}
|
|
vector<uint64_t>
|
|
get_mixin_no(const string& json_str)
|
|
{
|
|
vector<uint64_t> mixin_no;
|
|
|
|
json j;
|
|
|
|
try
|
|
{
|
|
j = json::parse(json_str);
|
|
|
|
mixin_no.push_back(j["vin"].at(0)["key"]["key_offsets"].size());
|
|
}
|
|
catch (std::invalid_argument& e)
|
|
{
|
|
cerr << "get_mixin_no: " << e.what() << endl;
|
|
return mixin_no;
|
|
}
|
|
|
|
return mixin_no;
|
|
}
|
|
|
|
vector<uint64_t>
|
|
get_mixin_no(const json& _json)
|
|
{
|
|
vector<uint64_t> mixin_no;
|
|
|
|
mixin_no.push_back(_json["vin"].at(0)["key"]["key_offsets"].size());
|
|
|
|
return mixin_no;
|
|
}
|
|
|
|
|
|
|
|
vector<uint64_t>
|
|
get_mixin_no_in_txs(const vector<transaction>& txs)
|
|
{
|
|
vector<uint64_t> mixin_no;
|
|
|
|
for (const transaction& tx: txs)
|
|
{
|
|
mixin_no.push_back(get_mixin_no(tx));
|
|
}
|
|
|
|
return mixin_no;
|
|
}
|
|
|
|
|
|
vector<txin_to_key>
|
|
get_key_images(const transaction& tx)
|
|
{
|
|
vector<txin_to_key> key_images;
|
|
|
|
size_t input_no = tx.vin.size();
|
|
|
|
for (size_t i = 0; i < input_no; ++i)
|
|
{
|
|
|
|
if(tx.vin[i].type() != typeid(txin_to_key))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
// get tx input key
|
|
const txin_to_key& tx_in_to_key
|
|
= boost::get<cryptonote::txin_to_key>(tx.vin[i]);
|
|
|
|
key_images.push_back(tx_in_to_key);
|
|
}
|
|
|
|
return key_images;
|
|
}
|
|
|
|
|
|
bool
|
|
get_payment_id(const vector<uint8_t>& extra,
|
|
crypto::hash& payment_id,
|
|
crypto::hash8& payment_id8)
|
|
{
|
|
payment_id = null_hash;
|
|
payment_id8 = null_hash8;
|
|
|
|
std::vector<tx_extra_field> tx_extra_fields;
|
|
|
|
if(!parse_tx_extra(extra, tx_extra_fields))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
tx_extra_nonce extra_nonce;
|
|
|
|
if (find_tx_extra_field_by_type(tx_extra_fields, extra_nonce))
|
|
{
|
|
// first check for encrypted id and then for normal one
|
|
if(get_encrypted_payment_id_from_tx_extra_nonce(extra_nonce.nonce, payment_id8))
|
|
{
|
|
return true;
|
|
}
|
|
else if (get_payment_id_from_tx_extra_nonce(extra_nonce.nonce, payment_id))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
array<size_t, 5>
|
|
timestamp_difference(uint64_t t1, uint64_t t2)
|
|
{
|
|
|
|
uint64_t timestamp_diff = t1 - t2;
|
|
|
|
// calculate difference of timestamps from current block to the mixin one
|
|
if (t2 > t1)
|
|
{
|
|
timestamp_diff = t2 - t1;
|
|
}
|
|
|
|
uint64_t time_diff_years = timestamp_diff / 31536000;
|
|
|
|
timestamp_diff -= time_diff_years * 31536000;
|
|
|
|
uint64_t time_diff_days = timestamp_diff / 86400;
|
|
|
|
timestamp_diff -= time_diff_days * 86400;
|
|
|
|
uint64_t time_diff_hours = timestamp_diff / 3600;
|
|
|
|
timestamp_diff -= time_diff_hours * 3600;
|
|
|
|
uint64_t time_diff_minutes = timestamp_diff / 60;
|
|
|
|
timestamp_diff -= time_diff_minutes * 60;
|
|
|
|
uint64_t time_diff_seconds = timestamp_diff ;
|
|
|
|
return array<size_t, 5> {time_diff_years, time_diff_days,
|
|
time_diff_hours, time_diff_minutes,
|
|
time_diff_seconds};
|
|
|
|
};
|
|
|
|
|
|
string
|
|
read(string filename)
|
|
{
|
|
if (!bf::exists(bf::path(filename)))
|
|
{
|
|
cerr << "File does not exist: " << filename << endl;
|
|
return string();
|
|
}
|
|
|
|
std::ifstream t(filename);
|
|
return string(std::istreambuf_iterator<char>(t),
|
|
std::istreambuf_iterator<char>());
|
|
}
|
|
|
|
pair<string, double>
|
|
timestamps_time_scale(const vector<uint64_t>& timestamps,
|
|
uint64_t timeN,
|
|
uint64_t resolution,
|
|
uint64_t time0)
|
|
{
|
|
string empty_time = string(resolution, '_');
|
|
|
|
size_t time_axis_length = empty_time.size();
|
|
|
|
uint64_t interval_length = timeN-time0;
|
|
|
|
double scale = double(interval_length) / double(time_axis_length);
|
|
|
|
for (const auto& timestamp: timestamps)
|
|
{
|
|
|
|
if (timestamp < time0 || timestamp > timeN)
|
|
{
|
|
cout << "Out of range" << endl;
|
|
continue;
|
|
}
|
|
|
|
uint64_t timestamp_place = double(timestamp-time0)
|
|
/ double(interval_length)*(time_axis_length - 1);
|
|
|
|
empty_time[timestamp_place + 1] = '*';
|
|
}
|
|
|
|
return make_pair(empty_time, scale);
|
|
}
|
|
|
|
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)
|
|
{
|
|
crypto::key_derivation derivation;
|
|
|
|
bool r = crypto::generate_key_derivation(pub, sec, derivation);
|
|
|
|
if (!r)
|
|
{
|
|
cerr <<"Failed to generate key derivation to decode rct output " << i << endl;
|
|
return false;
|
|
}
|
|
|
|
return decode_ringct(rv, derivation, i, mask, amount);
|
|
}
|
|
|
|
bool
|
|
decode_ringct(rct::rctSig const& rv,
|
|
crypto::key_derivation const& derivation,
|
|
unsigned int i,
|
|
rct::key& mask,
|
|
uint64_t& amount)
|
|
{
|
|
try
|
|
{
|
|
crypto::secret_key scalar1;
|
|
|
|
crypto::derivation_to_scalar(derivation, i, scalar1);
|
|
|
|
switch (rv.type)
|
|
{
|
|
case rct::RCTTypeSimple:
|
|
case rct::RCTTypeBulletproof:
|
|
case rct::RCTTypeBulletproof2:
|
|
case rct::RCTTypeCLSAG:
|
|
case rct::RCTTypeBulletproofPlus:
|
|
amount = rct::decodeRctSimple(rv,
|
|
rct::sk2rct(scalar1),
|
|
i,
|
|
mask,
|
|
hw::get_device("default"));
|
|
break;
|
|
case rct::RCTTypeFull:
|
|
amount = rct::decodeRct(rv,
|
|
rct::sk2rct(scalar1),
|
|
i,
|
|
mask,
|
|
hw::get_device("default"));
|
|
break;
|
|
default:
|
|
cerr << "Unsupported rct type: " << rv.type << '\n';
|
|
return false;
|
|
}
|
|
}
|
|
catch (...)
|
|
{
|
|
cerr << "Failed to decode input " << i << '\n';
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
url_decode(const std::string& in, std::string& out)
|
|
{
|
|
out.clear();
|
|
out.reserve(in.size());
|
|
for (std::size_t i = 0; i < in.size(); ++i)
|
|
{
|
|
if (in[i] == '%')
|
|
{
|
|
if (i + 3 <= in.size())
|
|
{
|
|
int value = 0;
|
|
std::istringstream is(in.substr(i + 1, 2));
|
|
if (is >> std::hex >> value)
|
|
{
|
|
out += static_cast<char>(value);
|
|
i += 2;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
else if (in[i] == '+')
|
|
{
|
|
out += ' ';
|
|
}
|
|
else
|
|
{
|
|
out += in[i];
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
map<std::string, std::string>
|
|
parse_crow_post_data(const string& req_body)
|
|
{
|
|
map<std::string, std::string> body;
|
|
|
|
vector<string> vec;
|
|
string tmp;
|
|
bool result = url_decode(req_body, tmp);
|
|
if (result)
|
|
{
|
|
boost::algorithm::split(vec, tmp,
|
|
[](char x) {return x == '&';
|
|
});
|
|
|
|
for(auto &it : vec)
|
|
{
|
|
auto pos = it.find("=");
|
|
|
|
if (pos != string::npos)
|
|
body[it.substr(0, pos)] = it.substr(pos + 1);
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
return body;
|
|
}
|
|
|
|
|
|
// from wallet2::decrypt
|
|
string
|
|
decrypt(const std::string &ciphertext,
|
|
const crypto::secret_key &skey,
|
|
bool authenticated)
|
|
{
|
|
|
|
const size_t prefix_size = sizeof(chacha_iv)
|
|
+ (authenticated ? sizeof(crypto::signature) : 0);
|
|
if (ciphertext.size() < prefix_size)
|
|
{
|
|
cerr << "Unexpected ciphertext size" << endl;
|
|
return {};
|
|
}
|
|
|
|
crypto::chacha_key key;
|
|
crypto::generate_chacha_key(&skey, sizeof(skey), key, 1);
|
|
|
|
const crypto::chacha_iv &iv = *(const crypto::chacha_iv*)&ciphertext[0];
|
|
|
|
std::string plaintext;
|
|
|
|
plaintext.resize(ciphertext.size() - prefix_size);
|
|
|
|
if (authenticated)
|
|
{
|
|
crypto::hash hash;
|
|
crypto::cn_fast_hash(ciphertext.data(), ciphertext.size() - sizeof(signature), hash);
|
|
crypto::public_key pkey;
|
|
crypto::secret_key_to_public_key(skey, pkey);
|
|
|
|
const crypto::signature &signature =
|
|
*(const crypto::signature*)&ciphertext[ciphertext.size()
|
|
- sizeof(crypto::signature)];
|
|
|
|
if (!crypto::check_signature(hash, pkey, signature))
|
|
{
|
|
cerr << "Failed to authenticate criphertext" << endl;
|
|
return {};
|
|
}
|
|
|
|
}
|
|
|
|
crypto::chacha20(ciphertext.data() + sizeof(iv),
|
|
ciphertext.size() - prefix_size,
|
|
key, iv, &plaintext[0]);
|
|
|
|
return plaintext;
|
|
}
|
|
|
|
// based on
|
|
// crypto::public_key wallet2::get_tx_pub_key_from_received_outs(const tools::wallet2::transfer_details &td) const
|
|
public_key
|
|
get_tx_pub_key_from_received_outs(const transaction &tx)
|
|
{
|
|
std::vector<tx_extra_field> tx_extra_fields;
|
|
|
|
if(!parse_tx_extra(tx.extra, tx_extra_fields))
|
|
{
|
|
// Extra may only be partially parsed, it's OK if tx_extra_fields contains public key
|
|
}
|
|
|
|
// Due to a previous bug, there might be more than one tx pubkey in extra, one being
|
|
// the result of a previously discarded signature.
|
|
// For speed, since scanning for outputs is a slow process, we check whether extra
|
|
// contains more than one pubkey. If not, the first one is returned. If yes, they're
|
|
// checked for whether they yield at least one output
|
|
tx_extra_pub_key pub_key_field;
|
|
|
|
if (!find_tx_extra_field_by_type(tx_extra_fields, pub_key_field, 0))
|
|
{
|
|
return null_pkey;
|
|
}
|
|
|
|
public_key tx_pub_key = pub_key_field.pub_key;
|
|
|
|
bool two_found = find_tx_extra_field_by_type(tx_extra_fields, pub_key_field, 1);
|
|
|
|
if (!two_found)
|
|
{
|
|
// easy case, just one found
|
|
return tx_pub_key;
|
|
}
|
|
else
|
|
{
|
|
// just return second one if there are two.
|
|
// this does not require private view key, as
|
|
// its not needed for my use case.
|
|
return pub_key_field.pub_key;
|
|
}
|
|
|
|
return null_pkey;
|
|
}
|
|
|
|
/**
|
|
* Check if given output (specified by output_index)
|
|
* belongs is ours based
|
|
* on our private view key and public spend key
|
|
*/
|
|
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)
|
|
{
|
|
// public transaction key is combined with our viewkey
|
|
// to create, so called, derived key.
|
|
key_derivation derivation;
|
|
|
|
if (!generate_key_derivation(pub_tx_key, private_view_key, derivation))
|
|
{
|
|
cerr << "Cant get dervied key for: " << "\n"
|
|
<< "pub_tx_key: " << pub_tx_key << " and "
|
|
<< "prv_view_key" << private_view_key << endl;
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
// get the tx output public key
|
|
// that normally would be generated for us,
|
|
// if someone had sent us some xmr.
|
|
public_key pubkey;
|
|
|
|
derive_public_key(derivation,
|
|
output_index,
|
|
public_spend_key,
|
|
pubkey);
|
|
|
|
//cout << "\n" << tx.vout.size() << " " << output_index << endl;
|
|
|
|
// get tx output public key
|
|
public_key output_pub_key;
|
|
cryptonote::get_output_public_key(tx.vout[output_index], output_pub_key);
|
|
|
|
|
|
if (output_pub_key == pubkey)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
bool
|
|
get_real_output_for_key_image(const key_image& ki,
|
|
const transaction& tx,
|
|
const secret_key& private_view_key,
|
|
const public_key& public_spend_key,
|
|
uint64_t output_idx,
|
|
public_key output_pub_key)
|
|
{
|
|
|
|
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
string
|
|
make_printable(const string& in_s)
|
|
{
|
|
string output;
|
|
|
|
for (char c: in_s)
|
|
{
|
|
|
|
if (isprint(c))
|
|
{
|
|
output += c;
|
|
}
|
|
else
|
|
{
|
|
switch(c){
|
|
case '\000': output += "\\000";break;
|
|
case '\001': output += "\\001";break;
|
|
case '\002': output += "\\002";break;
|
|
case '\003': output += "\\003";break;
|
|
case '\004': output += "\\004";break;
|
|
case '\005': output += "\\005";break;
|
|
case '\006': output += "\\006";break;
|
|
case '\007': output += "\\007";break;
|
|
// there are more case but for now its ok
|
|
default:
|
|
stringstream ss;
|
|
ss << std::hex << (int)c;
|
|
output += "0x" + ss.str();
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return output;
|
|
}
|
|
|
|
|
|
string
|
|
get_human_readable_timestamp(uint64_t ts)
|
|
{
|
|
char buffer[64];
|
|
if (ts < 1234567890)
|
|
return "<unknown>";
|
|
|
|
time_t tt = ts;
|
|
|
|
struct tm tm;
|
|
|
|
gmtime_r(&tt, &tm);
|
|
|
|
strftime(buffer, sizeof(buffer), "%Y-%m-%d %I:%M:%S", &tm);
|
|
|
|
return std::string(buffer);
|
|
}
|
|
|
|
void
|
|
pause_execution(uint64_t no_seconds, const string& text)
|
|
{
|
|
|
|
cout << "\nPausing " << text
|
|
<< " for " << no_seconds << " seconds: "
|
|
<< flush;
|
|
|
|
for (size_t i = 0; i < no_seconds; ++i)
|
|
{
|
|
cout << "." << flush;
|
|
std::this_thread::sleep_for(std::chrono::seconds(1));
|
|
}
|
|
|
|
cout << endl;
|
|
}
|
|
|
|
string
|
|
tx_to_hex(transaction const& tx)
|
|
{
|
|
return epee::string_tools::buff_to_hex_nodelimer(t_serializable_object_to_blob(tx));
|
|
}
|
|
|
|
void get_metric_prefix(cryptonote::difficulty_type hr, double& hr_d, char& prefix)
|
|
{
|
|
if (hr < 1000)
|
|
{
|
|
prefix = 0;
|
|
return;
|
|
}
|
|
static const char metric_prefixes[4] = { 'k', 'M', 'G', 'T' };
|
|
for (size_t i = 0; i < sizeof(metric_prefixes); ++i)
|
|
{
|
|
if (hr < 1000000)
|
|
{
|
|
hr_d = hr.convert_to<double>() / 1000;
|
|
prefix = metric_prefixes[i];
|
|
return;
|
|
}
|
|
hr /= 1000;
|
|
}
|
|
prefix = 0;
|
|
}
|
|
|
|
cryptonote::difficulty_type
|
|
make_difficulty(uint64_t low, uint64_t high)
|
|
{
|
|
return (cryptonote::difficulty_type(high) << 64) + low;
|
|
}
|
|
|
|
}
|