diff --git a/CMakeLists.txt b/CMakeLists.txt index 56db01a..06c2833 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -28,6 +28,18 @@ if (NOT MONERO_BUILD_DIR) # set location of monero build tree set(MONERO_BUILD_DIR ${MONERO_SOURCE_DIR}/build/release/ CACHE PATH "Path to the build directory for Monero") + + if (NOT EXISTS ${MONERO_BUILD_DIR}) + # try different location + message(STATUS "Trying different folder for monero libraries") + set(MONERO_BUILD_DIR ${MONERO_SOURCE_DIR}/build/Linux/master/release/ + CACHE PATH "Path to the build directory for Monero" FORCE) + endif() + +endif() + +if (NOT EXISTS ${MONERO_BUILD_DIR}) + message(FATAL_ERROR "Monero libraries not found in: ${MONERO_BUILD_DIR}") endif() set(MY_CMAKE_DIR "${CMAKE_CURRENT_LIST_DIR}/cmake" @@ -128,6 +140,7 @@ set(LIBRARIES checkpoints version epee + hardforks randomx sodium ${Boost_LIBRARIES} diff --git a/README.md b/README.md index 8d4110c..56c80fc 100644 --- a/README.md +++ b/README.md @@ -34,6 +34,7 @@ Clearnet versions: - [http://monerochain.com/](http://monerochain.com/) - JSON API based, multiple nodes. - [https://blox.minexmr.com/](https://blox.minexmr.com/) - - https enabled. - [https://community.xmr.to/explorer/mainnet/](https://community.xmr.to/explorer/mainnet/) + - [https://exp.xmr.sk/](https://exp.xmr.sk/) Testnet version: @@ -64,7 +65,6 @@ Alternative block explorers: The key features of the Onion Monero Blockchain Explorer are: - no cookies, no web analytics trackers, no images, - - by default no JavaScript, but can be enabled for client side decoding and proving transactions, - open sourced, - made fully in C++, - showing encrypted payments ID, @@ -81,6 +81,7 @@ The key features of the Onion Monero Blockchain Explorer are: - can provide total amount of all miner fees, - decoding encrypted payment id, - decoding outputs and proving txs sent to sub-address. + - listing RandomX code for each block ## Development branch @@ -93,18 +94,11 @@ Note: `devel` branch of the explorer follows `master` branch of the monero. ## Compilation on Ubuntu 16.04/18.04 -##### Compile latest Monero version (0.14.0.2) -Download and compile recent Monero into your home folder: +#### Monero download and compilation -```bash -# first install monero dependecines -sudo apt update - -sudo apt install git build-essential cmake libboost-all-dev miniupnpc libunbound-dev graphviz doxygen libunwind8-dev pkg-config libssl-dev libcurl4-openssl-dev libgtest-dev libreadline-dev libzmq3-dev libsodium-dev libhidapi-dev libhidapi-libusb0 - -# go to home folder -cd ~ +To download and compile recent Monero follow instructions +in the following link: # download monero sourced for master branch git clone --recursive https://github.com/monero-project/monero.git @@ -116,7 +110,7 @@ USE_SINGLE_BUILDDIR=1 make ##### Compile and run the explorer -Once the Monero is compiles, the explorer can be downloaded and compiled +Once the Monero compiles, the explorer can be downloaded and compiled as follows: ```bash @@ -135,12 +129,6 @@ mkdir build && cd build # create the makefile cmake .. -# altearnatively can use: cmake -DMONERO_DIR=/path/to/monero_folder .. -# if monero is not in ~/monero -# -# also can build with ASAN (sanitizers), for example -# cmake -DSANITIZE_ADDRESS=On .. - # compile make ``` @@ -178,6 +166,7 @@ xmrblocks, Onion Monero Blockchain Explorer: -t [ --testnet ] [=arg(=1)] (=0) use testnet blockchain -s [ --stagenet ] [=arg(=1)] (=0) use stagenet blockchain --enable-pusher [=arg(=1)] (=0) enable signed transaction pusher + --enable-randomx [=arg(=1)] (=0) enable generation of randomx code --enable-mixin-details [=arg(=1)] (=0) enable mixin details for key images, e.g., timescale, mixin of mixins, in tx @@ -186,13 +175,9 @@ xmrblocks, Onion Monero Blockchain Explorer: enable key images file checker --enable-output-key-checker [=arg(=1)] (=0) enable outputs key file checker - --enable-json-api [=arg(=1)] (=1) enable JSON REST api - --enable-tx-cache [=arg(=1)] (=0) enable caching of transaction details - --show-cache-times [=arg(=1)] (=0) show times of getting data from cache - vs no cache - --enable-block-cache [=arg(=1)] (=0) enable caching of block details - --enable-js [=arg(=1)] (=0) enable checking outputs and proving txs - using JavaScript on client side + --enable-json-api [=arg(=1)] (=0) enable JSON REST api + --enable-as-hex [=arg(=1)] (=0) enable links to provide hex + represtations of a tx and a block --enable-autorefresh-option [=arg(=1)] (=0) enable users to have the index page on autorefresh @@ -200,6 +185,7 @@ xmrblocks, Onion Monero Blockchain Explorer: enable Monero total emission monitoring thread -p [ --port ] arg (=8081) default explorer port + -x [ --bindaddr ] arg (=0.0.0.0) default bind address for the explorer --testnet-url arg you can specify testnet url, if you run it on mainnet or stagenet. link will show on front page to testnet explorer @@ -215,6 +201,9 @@ xmrblocks, Onion Monero Blockchain Explorer: for mempool data for the front page --mempool-refresh-time arg (=5) time, in seconds, for each refresh of mempool state + -c [ --concurrency ] arg (=0) number of threads handling http + queries. Default is 0 which means it is + based you on the cpu -b [ --bc-path ] arg path to lmdb folder of the blockchain, e.g., ~/.bitmonero/lmdb --ssl-crt-file arg path to crt file for ssl (https) @@ -222,7 +211,7 @@ xmrblocks, Onion Monero Blockchain Explorer: --ssl-key-file arg path to key file for ssl (https) functionality -d [ --deamon-url ] arg (=http:://127.0.0.1:18081) - Monero deamon url + Monero daemon url ``` Example usage, defined as bash aliases. @@ -235,8 +224,6 @@ alias xmrblocksmainnet='~/onion-monero-blockchain-explorer/build/xmrblocks -- alias xmrblockstestnet='~/onion-monero-blockchain-explorer/build/xmrblocks -t --port 8082 --mainnet-url "http://139.162.32.245:8081" --enable-pusher --enable-emission-monitor' ``` -These are aliases similar to those used for http://139.162.32.245:8081/ and http://139.162.32.245:8082/, respectively. - ## Enable Monero emission Obtaining current Monero emission amount is not straight forward. Thus, by default it is @@ -276,15 +263,6 @@ For example, for the above example: `print_coinbase_tx_sum 0 1313449`. To disable the monitor, simply restart the explorer without `--enable-emission-monitor` flag. -## Enable JavaScript for decoding proving transactions - -By default, decoding and proving tx's outputs are done on the server side. To do this on the client side -(private view and tx keys are not send to the server) JavaScript-based decoding can be enabled: - -``` -xmrblocks --enable-js -``` - ## Enable SSL (https) By default, the explorer does not use ssl. But it has such a functionality. diff --git a/cmake/FindMonero.cmake b/cmake/FindMonero.cmake index 19e7dcc..c40f00d 100644 --- a/cmake/FindMonero.cmake +++ b/cmake/FindMonero.cmake @@ -31,7 +31,7 @@ set(LIBS common;blocks;cryptonote_basic;cryptonote_core;multisig; cryptonote_protocol;daemonizer;mnemonics;epee;lmdb;device; blockchain_db;ringct;wallet;cncrypto;easylogging;version; - checkpoints;randomx) + checkpoints;randomx;hardforks) set(Xmr_INCLUDE_DIRS "${CPP_MONERO_DIR}") @@ -71,7 +71,9 @@ message(STATUS ${MONERO_SOURCE_DIR}/build) # include monero headers include_directories( ${MONERO_SOURCE_DIR}/src + ${MONERO_SOURCE_DIR}/src/crypto ${MONERO_SOURCE_DIR}/external + ${MONERO_SOURCE_DIR}/external/randomx/src ${MONERO_SOURCE_DIR}/build ${MONERO_SOURCE_DIR}/external/easylogging++ ${MONERO_SOURCE_DIR}/contrib/epee/include diff --git a/ext/crow/crow/socket_adaptors.h b/ext/crow/crow/socket_adaptors.h index eebd50f..06d4baf 100644 --- a/ext/crow/crow/socket_adaptors.h +++ b/ext/crow/crow/socket_adaptors.h @@ -4,6 +4,11 @@ #include #endif #include "crow/settings.h" +#if BOOST_VERSION >= 107000 +#define GET_IO_SERVICE(s) ((boost::asio::io_context&)(s).get_executor().context()) +#else +#define GET_IO_SERVICE(s) ((s).get_io_service()) +#endif namespace crow { using namespace boost; @@ -19,7 +24,7 @@ namespace crow boost::asio::io_service& get_io_service() { - return socket_.get_io_service(); + return GET_IO_SERVICE(socket_); } tcp::socket& raw_socket() @@ -94,7 +99,7 @@ namespace crow boost::asio::io_service& get_io_service() { - return raw_socket().get_io_service(); + return GET_IO_SERVICE(raw_socket()); } template diff --git a/ext/vpetrigocaches/cache.hpp b/ext/vpetrigocaches/cache.hpp deleted file mode 100644 index c543ecd..0000000 --- a/ext/vpetrigocaches/cache.hpp +++ /dev/null @@ -1,138 +0,0 @@ -#ifndef CACHE_HPP -#define CACHE_HPP - -#include -#include -#include -#include -#include -#include "cache_policy.hpp" - -namespace caches -{ - -// Base class for caching algorithms -template > -class fixed_sized_cache -{ - public: - - using iterator = typename std::unordered_map::iterator; - - using const_iterator = - typename std::unordered_map::const_iterator; - - using operation_guard = typename std::lock_guard; - - fixed_sized_cache( - size_t max_size, - const Policy& policy = Policy()) - : max_cache_size{max_size}, - cache_policy(policy) - { - if (max_cache_size == 0) - { - max_cache_size = std::numeric_limits::max(); - } - } - - void Put(const Key& key, const Value& value) - { - operation_guard{safe_op}; - auto elem_it = FindElem(key); - - if (elem_it == cache_items_map.end()) - { - // add new element to the cache - if (Size() + 1 > max_cache_size) - { - auto disp_candidate_key = cache_policy.ReplCandidate(); - - Erase(disp_candidate_key); - } - - Insert(key, value); - } - else - { - // update previous value - Update(key, value); - } - } - - bool Contains(const Key& key) - { - operation_guard{safe_op}; - auto elem_it = FindElem(key); - return elem_it != cache_items_map.end(); - } - - const Value& Get(const Key& key) const - { - operation_guard{safe_op}; - auto elem_it = FindElem(key); - - if (elem_it == cache_items_map.end()) - { - throw std::range_error{"No such element in the cache"}; - } - cache_policy.Touch(key); - - return elem_it->second; - } - - const size_t Size() const - { - operation_guard{safe_op}; - - return cache_items_map.size(); - } - - // return a key of a displacement candidate - void Clear() - { - operation_guard{safe_op}; - - cache_policy.Clear(); - cache_items_map.clear(); - } - - protected: - - void Insert(const Key& key, const Value& value) - { - cache_policy.Insert(key); - cache_items_map.emplace(std::make_pair(key, value)); - } - - void Erase(const Key& key) - { - cache_policy.Erase(key); - cache_items_map.erase(key); - } - - void Update(const Key& key, const Value& value) - { - cache_policy.Touch(key); - cache_items_map[key] = value; - } - - const_iterator FindElem(const Key& key) const - { - return cache_items_map.find(key); - } - - -private: - - std::unordered_map cache_items_map; - - mutable Policy cache_policy; - mutable std::mutex safe_op; - - size_t max_cache_size; - -}; -} - -#endif // CACHE_HPP diff --git a/ext/vpetrigocaches/cache_policy.hpp b/ext/vpetrigocaches/cache_policy.hpp deleted file mode 100644 index 19cf815..0000000 --- a/ext/vpetrigocaches/cache_policy.hpp +++ /dev/null @@ -1,77 +0,0 @@ -#ifndef CACHE_POLICY_HPP -#define CACHE_POLICY_HPP - -#include - -namespace caches -{ - -template - -class ICachePolicy -{ - public: - - virtual ~ICachePolicy() {} - - // handle element insertion in a cache - virtual void Insert(const Key& key) = 0; - - // handle request to the key-element in a cache - virtual void Touch(const Key& key) = 0; - - // handle element deletion from a cache - virtual void Erase(const Key& key) = 0; - - // return a key of a replacement candidate - virtual const Key& ReplCandidate() const = 0; - - // clear the cache - virtual void Clear() = 0; - -}; - -template -class NoCachePolicy : public ICachePolicy -{ - public: - - NoCachePolicy() = default; - - ~NoCachePolicy() override = default; - - void Insert(const Key& key) override - { - key_storage.emplace(key); - } - - void Touch(const Key& key) override - { - // do not do anything - } - - void Erase(const Key& key) override - { - key_storage.erase(key); - } - - // return a key of a displacement candidate - const Key& ReplCandidate() const override - { - return *key_storage.crbegin(); - } - - // return a key of a displacement candidate - void Clear() override - { - key_storage.clear(); - } - - private: - - std::unordered_set key_storage; -}; - -} // namespace caches - -#endif // CACHE_POLICY_HPP diff --git a/ext/vpetrigocaches/fifo_cache_policy.hpp b/ext/vpetrigocaches/fifo_cache_policy.hpp deleted file mode 100644 index fa17757..0000000 --- a/ext/vpetrigocaches/fifo_cache_policy.hpp +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef FIFO_CACHE_POLICY_HPP -#define FIFO_CACHE_POLICY_HPP - -#include -#include "cache_policy.hpp" - -namespace caches -{ - -template -class FIFOCachePolicy : public ICachePolicy -{ - public: - - FIFOCachePolicy() = default; - ~FIFOCachePolicy() = default; - - void Insert(const Key& key) override - { - fifo_queue.emplace_front(key); - } - - // handle request to the key-element in a cache - void Touch(const Key& key) override - { - // nothing to do here in the FIFO strategy - } - - // handle element deletion from a cache - void Erase(const Key& key) override - { - fifo_queue.pop_back(); - } - - // return a key of a replacement candidate - const Key& ReplCandidate() const override - { - return fifo_queue.back(); - } - - // return a key of a displacement candidate - void Clear() override - { - fifo_queue.clear(); - } - -private: - - std::list fifo_queue; -}; -} // namespace caches - -#endif // FIFO_CACHE_POLICY_HPP diff --git a/ext/vpetrigocaches/lfu_cache_policy.hpp b/ext/vpetrigocaches/lfu_cache_policy.hpp deleted file mode 100644 index 0f735d7..0000000 --- a/ext/vpetrigocaches/lfu_cache_policy.hpp +++ /dev/null @@ -1,76 +0,0 @@ -#ifndef LFU_CACHE_POLICY_HPP -#define LFU_CACHE_POLICY_HPP - -#include -#include -#include -#include -#include "cache_policy.hpp" - -namespace caches -{ -template -class LFUCachePolicy : public ICachePolicy -{ - public: - - using lfu_iterator = typename std::multimap::iterator; - - LFUCachePolicy() = default; - - ~LFUCachePolicy() override = default; - - void Insert(const Key& key) override - { - constexpr std::size_t INIT_VAL = 1; - - // all new value initialized with the frequency 1 - lfu_storage[key] = frequency_storage.emplace_hint( - frequency_storage.cbegin(), INIT_VAL, key); - } - - void Touch(const Key& key) override - { - // get the previous frequency value of a key - auto elem_for_update = lfu_storage[key]; - - auto updated_elem = std::make_pair( - elem_for_update->first + 1, elem_for_update->second); - - // update the previous value - frequency_storage.erase(elem_for_update); - - lfu_storage[key] = frequency_storage.emplace_hint( - frequency_storage.cend(), std::move(updated_elem)); - } - - void Erase(const Key& key) override - { - frequency_storage.erase(lfu_storage[key]); - lfu_storage.erase(key); - } - - const Key& ReplCandidate() const override - { - // at the beginning of the frequency_storage we have the - // least frequency used value - return frequency_storage.cbegin()->second; - } - - // return a key of a displacement candidate - void Clear() override - { - frequency_storage.clear(); - lfu_storage.clear(); - } - - - private: - - std::multimap frequency_storage; - - std::unordered_map lfu_storage; -}; -} // namespace caches - -#endif // LFU_CACHE_POLICY_HPP diff --git a/ext/vpetrigocaches/lru_cache_policy.hpp b/ext/vpetrigocaches/lru_cache_policy.hpp deleted file mode 100644 index 5dcdac0..0000000 --- a/ext/vpetrigocaches/lru_cache_policy.hpp +++ /dev/null @@ -1,63 +0,0 @@ -#ifndef LRU_CACHE_POLICY_HPP -#define LRU_CACHE_POLICY_HPP - -#include -#include -#include "cache_policy.hpp" - -namespace caches -{ -template -class LRUCachePolicy : public ICachePolicy -{ - - public: - - using lru_iterator = typename std::list::const_iterator; - - LRUCachePolicy() = default; - ~LRUCachePolicy() = default; - - void Insert(const Key& key) override - { - lru_queue.emplace_front(key); - key_finder[key] = lru_queue.cbegin(); - } - - void Touch(const Key& key) override - { - // move the touched element at the beginning of the lru_queue - lru_queue.splice(lru_queue.cbegin(), lru_queue, key_finder[key]); - } - - void Erase(const Key& key) override - { - // remove the least recently used element - key_finder.erase(lru_queue.back()); - - lru_queue.pop_back(); - } - - // return a key of a displacement candidate - const Key& ReplCandidate() const override - { - return lru_queue.back(); - } - - // return a key of a displacement candidate - void Clear() override - { - lru_queue.clear(); - key_finder.clear(); - } - - private: - - std::list lru_queue; - - std::unordered_map key_finder; -}; - -} // namespace caches - -#endif // LRU_CACHE_POLICY_HPP diff --git a/main.cpp b/main.cpp index d5d7ceb..858c083 100644 --- a/main.cpp +++ b/main.cpp @@ -41,6 +41,7 @@ struct jsonresponse: public crow::response int main(int ac, const char* av[]) { + // get command line options xmreg::CmdLineOptions opts {ac, av}; @@ -70,13 +71,11 @@ main(int ac, const char* av[]) auto enable_output_key_checker_opt = opts.get_option("enable-output-key-checker"); auto enable_autorefresh_option_opt = opts.get_option("enable-autorefresh-option"); auto enable_pusher_opt = opts.get_option("enable-pusher"); - auto enable_js_opt = opts.get_option("enable-js"); + auto enable_randomx_opt = opts.get_option("enable-randomx"); auto enable_mixin_details_opt = opts.get_option("enable-mixin-details"); auto enable_json_api_opt = opts.get_option("enable-json-api"); auto enable_as_hex_opt = opts.get_option("enable-as-hex"); - auto enable_tx_cache_opt = opts.get_option("enable-tx-cache"); - auto enable_block_cache_opt = opts.get_option("enable-block-cache"); - auto show_cache_times_opt = opts.get_option("show-cache-times"); + auto concurrency_opt = opts.get_option("concurrency"); auto enable_emission_monitor_opt = opts.get_option("enable-emission-monitor"); @@ -95,17 +94,14 @@ main(int ac, const char* av[]) cryptonote::network_type::STAGENET : cryptonote::network_type::MAINNET; bool enable_pusher {*enable_pusher_opt}; - bool enable_js {*enable_js_opt}; + bool enable_randomx {*enable_randomx_opt}; bool enable_key_image_checker {*enable_key_image_checker_opt}; bool enable_autorefresh_option {*enable_autorefresh_option_opt}; bool enable_output_key_checker {*enable_output_key_checker_opt}; bool enable_mixin_details {*enable_mixin_details_opt}; bool enable_json_api {*enable_json_api_opt}; bool enable_as_hex {*enable_as_hex_opt}; - bool enable_tx_cache {*enable_tx_cache_opt}; - bool enable_block_cache {*enable_block_cache_opt}; bool enable_emission_monitor {*enable_emission_monitor_opt}; - bool show_cache_times {*show_cache_times_opt}; // set monero log output level @@ -275,15 +271,12 @@ main(int ac, const char* av[]) deamon_url, nettype, enable_pusher, - enable_js, + enable_randomx, enable_as_hex, enable_key_image_checker, enable_output_key_checker, enable_autorefresh_option, enable_mixin_details, - enable_tx_cache, - enable_block_cache, - show_cache_times, no_blocks_on_index, mempool_info_timeout, *testnet_url, @@ -313,6 +306,11 @@ main(int ac, const char* av[]) ([&](size_t block_height) { return myxmr::htmlresponse(xmrblocks.show_block(block_height)); }); + + CROW_ROUTE(app, "/randomx/") + ([&](size_t block_height) { + return myxmr::htmlresponse(xmrblocks.show_randomx(block_height)); + }); CROW_ROUTE(app, "/block/") ([&](string block_hash) { @@ -325,6 +323,16 @@ main(int ac, const char* av[]) return myxmr::htmlresponse( xmrblocks.show_tx(remove_bad_chars(tx_hash))); }); + if (enable_autorefresh_option) + { + CROW_ROUTE(app, "/tx//autorefresh") + ([&](string tx_hash) { + bool refresh_page {true}; + uint16_t with_ring_signatures {0}; + return myxmr::htmlresponse( + xmrblocks.show_tx(remove_bad_chars(tx_hash), with_ring_signatures, refresh_page)); + }); + } if (enable_as_hex) { @@ -374,6 +382,15 @@ main(int ac, const char* av[]) xmrblocks.show_tx(remove_bad_chars(tx_hash), with_ring_signatures)); }); + if (enable_autorefresh_option) + { + CROW_ROUTE(app, "/tx///autorefresh") + ([&](string tx_hash, uint16_t with_ring_signature) { + bool refresh_page {true}; + return myxmr::htmlresponse( + xmrblocks.show_tx(remove_bad_chars(tx_hash), with_ring_signature, refresh_page)); + }); + } CROW_ROUTE(app, "/myoutputs").methods("POST"_method) ([&](const crow::request& req) -> myxmr::htmlresponse @@ -602,64 +619,6 @@ main(int ac, const char* av[]) return text; }); - if (enable_js) - { - cout << "Enable JavaScript checking of outputs and proving txs\n"; - - CROW_ROUTE(app, "/js/jquery.min.js") - ([&]() { - return xmrblocks.get_js_file("jquery.min.js"); - }); - - CROW_ROUTE(app, "/js/crc32.js") - ([&]() { - return xmrblocks.get_js_file("crc32.js"); - }); - - CROW_ROUTE(app, "/js/biginteger.js") - ([&]() { - return xmrblocks.get_js_file("biginteger.js"); - }); - - CROW_ROUTE(app, "/js/crypto.js") - ([&]() { - return xmrblocks.get_js_file("crypto.js"); - }); - - CROW_ROUTE(app, "/js/config.js") - ([&]() { - return xmrblocks.get_js_file("config.js"); - }); - - CROW_ROUTE(app, "/js/nacl-fast-cn.js") - ([&]() { - return xmrblocks.get_js_file("nacl-fast-cn.js"); - }); - - CROW_ROUTE(app, "/js/base58.js") - ([&]() { - return xmrblocks.get_js_file("base58.js"); - }); - - CROW_ROUTE(app, "/js/cn_util.js") - ([&]() { - return xmrblocks.get_js_file("cn_util.js"); - }); - - CROW_ROUTE(app, "/js/sha3.js") - ([&]() { - return xmrblocks.get_js_file("sha3.js"); - }); - - CROW_ROUTE(app, "/js/all_in_one.js") - ([&]() { - // /js/all_in_one.js file does not exist. it is generated on the fly - // from the above real files. - return xmrblocks.get_js_file("all_in_one.js"); - }); - - } // if (enable_js) - if (enable_json_api) { @@ -865,10 +824,17 @@ main(int ac, const char* av[]) else { cout << "Staring in non-ssl mode" << endl; - app.bindaddr(bindaddr).port(app_port).multithreaded().run(); + if (*concurrency_opt == 0) + { + app.bindaddr(bindaddr).port(app_port).multithreaded().run(); + } + else + { + app.bindaddr(bindaddr).port(app_port) + .concurrency(*concurrency_opt).run(); + } } - if (enable_emission_monitor == true) { // finish Emission monitoring thread in a cotrolled manner. diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 868bd81..c952e91 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -14,7 +14,13 @@ set(SOURCE_FILES CmdLineOptions.cpp page.h rpccalls.cpp rpccalls.h - version.h.in CurrentBlockchainStatus.cpp MempoolStatus.cpp MempoolStatus.h) + version.h.in + CurrentBlockchainStatus.cpp + MempoolStatus.cpp + MempoolStatus.h) + +add_subdirectory(crypto) + # make static library called libmyxrm # that we are going to link to @@ -22,3 +28,6 @@ set(SOURCE_FILES add_library(myxrm STATIC ${SOURCE_FILES}) + +target_link_libraries(myxrm mycrypto) + diff --git a/src/CmdLineOptions.cpp b/src/CmdLineOptions.cpp index 278c47f..0211ade 100644 --- a/src/CmdLineOptions.cpp +++ b/src/CmdLineOptions.cpp @@ -29,6 +29,8 @@ namespace xmreg "use stagenet blockchain") ("enable-pusher", value()->default_value(false)->implicit_value(true), "enable signed transaction pusher") + ("enable-randomx", value()->default_value(false)->implicit_value(true), + "enable generation of randomx code") ("enable-mixin-details", value()->default_value(false)->implicit_value(true), "enable mixin details for key images, e.g., timescale, mixin of mixins, in tx context") ("enable-key-image-checker", value()->default_value(false)->implicit_value(true), @@ -37,14 +39,6 @@ namespace xmreg "enable outputs key file checker") ("enable-json-api", value()->default_value(false)->implicit_value(true), "enable JSON REST api") - ("enable-tx-cache", value()->default_value(false)->implicit_value(true), - "enable caching of transaction details") - ("show-cache-times", value()->default_value(false)->implicit_value(true), - "show times of getting data from cache vs no cache") - ("enable-block-cache", value()->default_value(false)->implicit_value(true), - "enable caching of block details") - ("enable-js", value()->default_value(false)->implicit_value(true), - "enable checking outputs and proving txs using JavaScript on client side") ("enable-as-hex", value()->default_value(false)->implicit_value(true), "enable links to provide hex represtations of a tx and a block") ("enable-autorefresh-option", value()->default_value(false)->implicit_value(true), @@ -67,6 +61,8 @@ namespace xmreg "maximum time, in milliseconds, to wait for mempool data for the front page") ("mempool-refresh-time", value()->default_value("5"), "time, in seconds, for each refresh of mempool state") + ("concurrency,c", value()->default_value(0), + "number of threads handling http queries. Default is 0 which means it is based you on the cpu") ("bc-path,b", value(), "path to lmdb folder of the blockchain, e.g., ~/.wownero/lmdb") ("ssl-crt-file", value(), diff --git a/src/MempoolStatus.cpp b/src/MempoolStatus.cpp index f102a51..7bff747 100644 --- a/src/MempoolStatus.cpp +++ b/src/MempoolStatus.cpp @@ -275,8 +275,11 @@ MempoolStatus::read_network_info() local_copy.height = rpc_network_info.height; local_copy.target_height = rpc_network_info.target_height; local_copy.difficulty = rpc_network_info.difficulty; + local_copy.difficulty_top64 = rpc_network_info.difficulty_top64; local_copy.target = rpc_network_info.target; - local_copy.hash_rate = (rpc_network_info.difficulty/300); + cryptonote::difficulty_type hash_rate = cryptonote::difficulty_type(rpc_network_info.wide_difficulty) / rpc_network_info.target; + local_copy.hash_rate = (hash_rate & 0xFFFFFFFFFFFFFFFF).convert_to(); + local_copy.hash_rate_top64 = ((hash_rate >> 64) & 0xFFFFFFFFFFFFFFFF).convert_to(); local_copy.tx_count = rpc_network_info.tx_count; local_copy.tx_pool_size = rpc_network_info.tx_pool_size; local_copy.alt_blocks_count = rpc_network_info.alt_blocks_count; @@ -286,6 +289,7 @@ MempoolStatus::read_network_info() local_copy.nettype = rpc_network_info.testnet ? cryptonote::network_type::TESTNET : rpc_network_info.stagenet ? cryptonote::network_type::STAGENET : cryptonote::network_type::MAINNET; local_copy.cumulative_difficulty = rpc_network_info.cumulative_difficulty; + local_copy.cumulative_difficulty_top64 = rpc_network_info.cumulative_difficulty_top64; local_copy.block_size_limit = rpc_network_info.block_size_limit; local_copy.block_size_median = rpc_network_info.block_size_median; local_copy.block_weight_limit = rpc_network_info.block_weight_limit; diff --git a/src/MempoolStatus.h b/src/MempoolStatus.h index 06e02f9..0bd10e0 100644 --- a/src/MempoolStatus.h +++ b/src/MempoolStatus.h @@ -61,6 +61,7 @@ struct MempoolStatus uint64_t height {0}; uint64_t target_height {0}; uint64_t difficulty {0}; + uint64_t difficulty_top64 {0}; uint64_t target {0}; uint64_t tx_count {0}; uint64_t tx_pool_size {0}; @@ -72,6 +73,7 @@ struct MempoolStatus cryptonote::network_type nettype {cryptonote::network_type::MAINNET}; crypto::hash top_block_hash; uint64_t cumulative_difficulty {0}; + uint64_t cumulative_difficulty_top64 {0}; uint64_t block_size_limit {0}; uint64_t block_size_median {0}; uint64_t block_weight_limit {0}; @@ -81,6 +83,7 @@ struct MempoolStatus uint64_t current_hf_version {0}; uint64_t hash_rate {0}; + uint64_t hash_rate_top64 {0}; uint64_t fee_per_kb {0}; uint64_t info_timestamp {0}; diff --git a/src/MicroCore.cpp b/src/MicroCore.cpp index 6d46db5..2c38204 100644 --- a/src/MicroCore.cpp +++ b/src/MicroCore.cpp @@ -137,13 +137,31 @@ MicroCore::get_tx(const crypto::hash& tx_hash, transaction& tx) if (m_blockchain_storage.have_tx(tx_hash)) { // get transaction with given hash - tx = m_blockchain_storage.get_db().get_tx(tx_hash); + try + { + tx = m_blockchain_storage.get_db().get_tx(tx_hash); + } + catch (TX_DNE const& e) + { + try + { + // coinbase txs are not considered pruned + tx = m_blockchain_storage.get_db().get_pruned_tx(tx_hash); + return true; + } + catch (TX_DNE const& e) + { + cerr << "MicroCore::get_tx: " << e.what() << endl; + } + + return false; + } } else { cerr << "MicroCore::get_tx tx does not exist in blockchain: " << tx_hash << endl; return false; - } + } return true; diff --git a/src/crypto/CMakeLists.txt b/src/crypto/CMakeLists.txt new file mode 100644 index 0000000..fe7f03c --- /dev/null +++ b/src/crypto/CMakeLists.txt @@ -0,0 +1,14 @@ +cmake_minimum_required(VERSION 2.8) + +project(mycrypto) + +set(SOURCE_FILES + rx-slow-hash.c) + +# make static library called libmyxrm +# that we are going to link to +# in the root CMakeLists.txt file +add_library(mycrypto + STATIC + ${SOURCE_FILES}) + diff --git a/src/crypto/rx-slow-hash.c b/src/crypto/rx-slow-hash.c new file mode 100644 index 0000000..a0c1787 --- /dev/null +++ b/src/crypto/rx-slow-hash.c @@ -0,0 +1,349 @@ +// Copyright (c) 2019, The Monero Project +// +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without modification, are +// permitted provided that the following conditions are met: +// +// 1. Redistributions of source code must retain the above copyright notice, this list of +// conditions and the following disclaimer. +// +// 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 +// materials provided with the distribution. +// +// 3. Neither the name of the copyright holder nor the names of its contributors may be +// used to endorse or promote products derived from this software without specific +// prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY +// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL +// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF +// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "randomx.h" +#include "c_threads.h" +#include "hash-ops.h" +#include "misc_log_ex.h" + +#define RX_LOGCAT "randomx" + +#if defined(_MSC_VER) +#define THREADV __declspec(thread) +#else +#define THREADV __thread +#endif + +typedef struct rx_state { + CTHR_MUTEX_TYPE rs_mutex; + char rs_hash[32]; + uint64_t rs_height; + randomx_cache *rs_cache; +} rx_state; + +static CTHR_MUTEX_TYPE rx_mutex = CTHR_MUTEX_INIT; +static CTHR_MUTEX_TYPE rx_dataset_mutex = CTHR_MUTEX_INIT; + +static rx_state rx_s[2] = {{CTHR_MUTEX_INIT,{0},0,0},{CTHR_MUTEX_INIT,{0},0,0}}; + +static randomx_dataset *rx_dataset; +static uint64_t rx_dataset_height; +THREADV randomx_vm *rx_vm = NULL; +static THREADV int rx_toggle; + +static void local_abort(const char *msg) +{ + fprintf(stderr, "%s\n", msg); +#ifdef NDEBUG + _exit(1); +#else + abort(); +#endif +} + +/** + * @brief uses cpuid to determine if the CPU supports the AES instructions + * @return true if the CPU supports AES, false otherwise + */ + +static inline int force_software_aes(void) +{ + static int use = -1; + + if (use != -1) + return use; + + const char *env = getenv("MONERO_USE_SOFTWARE_AES"); + if (!env) { + use = 0; + } + else if (!strcmp(env, "0") || !strcmp(env, "no")) { + use = 0; + } + else { + use = 1; + } + return use; +} + +static void cpuid(int CPUInfo[4], int InfoType) +{ +#if defined(__x86_64__) + __asm __volatile__ + ( + "cpuid": + "=a" (CPUInfo[0]), + "=b" (CPUInfo[1]), + "=c" (CPUInfo[2]), + "=d" (CPUInfo[3]) : + "a" (InfoType), "c" (0) + ); +#endif +} +static inline int check_aes_hw(void) +{ +#if defined(__x86_64__) + int cpuid_results[4]; + static int supported = -1; + + if(supported >= 0) + return supported; + + cpuid(cpuid_results,1); + return supported = cpuid_results[2] & (1 << 25); +#else + return 0; +#endif +} + +static volatile int use_rx_jit_flag = -1; + +static inline int use_rx_jit(void) +{ +#if defined(__x86_64__) + + if (use_rx_jit_flag != -1) + return use_rx_jit_flag; + + const char *env = getenv("MONERO_USE_RX_JIT"); + if (!env) { + use_rx_jit_flag = 1; + } + else if (!strcmp(env, "0") || !strcmp(env, "no")) { + use_rx_jit_flag = 0; + } + else { + use_rx_jit_flag = 1; + } + return use_rx_jit_flag; +#else + return 0; +#endif +} + +#define SEEDHASH_EPOCH_BLOCKS 2048 /* Must be same as BLOCKS_SYNCHRONIZING_MAX_COUNT in cryptonote_config.h */ +#define SEEDHASH_EPOCH_LAG 64 + +void me_rx_reorg(const uint64_t split_height) { + int i; + CTHR_MUTEX_LOCK(rx_mutex); + for (i=0; i<2; i++) { + if (split_height < rx_s[i].rs_height) + rx_s[i].rs_height = 1; /* set to an invalid seed height */ + } + CTHR_MUTEX_UNLOCK(rx_mutex); +} + +uint64_t me_rx_seedheight(const uint64_t height) { + uint64_t s_height = (height <= SEEDHASH_EPOCH_BLOCKS+SEEDHASH_EPOCH_LAG) ? 0 : + (height - SEEDHASH_EPOCH_LAG - 1) & ~(SEEDHASH_EPOCH_BLOCKS-1); + return s_height; +} + +void me_rx_seedheights(const uint64_t height, uint64_t *seedheight, uint64_t *nextheight) { + *seedheight = me_rx_seedheight(height); + *nextheight = me_rx_seedheight(height + SEEDHASH_EPOCH_LAG); +} + +typedef struct seedinfo { + randomx_cache *si_cache; + unsigned long si_start; + unsigned long si_count; +} seedinfo; + +static CTHR_THREAD_RTYPE rx_seedthread(void *arg) { + seedinfo *si = arg; + randomx_init_dataset(rx_dataset, si->si_cache, si->si_start, si->si_count); + CTHR_THREAD_RETURN; +} + +static void rx_initdata(randomx_cache *rs_cache, const int miners, const uint64_t seedheight) { + if (miners > 1) { + unsigned long delta = randomx_dataset_item_count() / miners; + unsigned long start = 0; + int i; + seedinfo *si; + CTHR_THREAD_TYPE *st; + si = malloc(miners * sizeof(seedinfo)); + if (si == NULL) + local_abort("Couldn't allocate RandomX mining threadinfo"); + st = malloc(miners * sizeof(CTHR_THREAD_TYPE)); + if (st == NULL) { + free(si); + local_abort("Couldn't allocate RandomX mining threadlist"); + } + for (i=0; i seedheight) + is_alt = 1; + + toggle ^= (is_alt != 0); + if (toggle != rx_toggle) + changed = 1; + rx_toggle = toggle; + + rx_sp = &rx_s[toggle]; + CTHR_MUTEX_LOCK(rx_sp->rs_mutex); + CTHR_MUTEX_UNLOCK(rx_mutex); + + cache = rx_sp->rs_cache; + if (cache == NULL) { + if (use_rx_jit()) + flags |= RANDOMX_FLAG_JIT; + if (cache == NULL) { + cache = randomx_alloc_cache(flags | RANDOMX_FLAG_LARGE_PAGES); + if (cache == NULL) { + mdebug(RX_LOGCAT, "Couldn't use largePages for RandomX cache"); + cache = randomx_alloc_cache(flags); + } + if (cache == NULL) + local_abort("Couldn't allocate RandomX cache"); + } + } + if (rx_sp->rs_height != seedheight || rx_sp->rs_cache == NULL || memcmp(seedhash, rx_sp->rs_hash, sizeof(rx_sp->rs_hash))) { + randomx_init_cache(cache, seedhash, 32); + rx_sp->rs_cache = cache; + rx_sp->rs_height = seedheight; + memcpy(rx_sp->rs_hash, seedhash, sizeof(rx_sp->rs_hash)); + changed = 1; + } + if (rx_vm == NULL) { + randomx_flags flags = RANDOMX_FLAG_DEFAULT; + if (use_rx_jit()) { + flags |= RANDOMX_FLAG_JIT; + if (!miners) + flags |= RANDOMX_FLAG_SECURE; + } + if(!force_software_aes() && check_aes_hw()) + flags |= RANDOMX_FLAG_HARD_AES; + if (miners) { + CTHR_MUTEX_LOCK(rx_dataset_mutex); + if (rx_dataset == NULL) { + rx_dataset = randomx_alloc_dataset(RANDOMX_FLAG_LARGE_PAGES); + if (rx_dataset == NULL) { + mdebug(RX_LOGCAT, "Couldn't use largePages for RandomX dataset"); + rx_dataset = randomx_alloc_dataset(RANDOMX_FLAG_DEFAULT); + } + if (rx_dataset != NULL) + rx_initdata(rx_sp->rs_cache, miners, seedheight); + } + if (rx_dataset != NULL) + flags |= RANDOMX_FLAG_FULL_MEM; + else { + miners = 0; + mwarning(RX_LOGCAT, "Couldn't allocate RandomX dataset for miner"); + } + CTHR_MUTEX_UNLOCK(rx_dataset_mutex); + } + rx_vm = randomx_create_vm(flags | RANDOMX_FLAG_LARGE_PAGES, rx_sp->rs_cache, rx_dataset); + if(rx_vm == NULL) { //large pages failed + mdebug(RX_LOGCAT, "Couldn't use largePages for RandomX VM"); + rx_vm = randomx_create_vm(flags, rx_sp->rs_cache, rx_dataset); + } + if(rx_vm == NULL) {//fallback if everything fails + flags = RANDOMX_FLAG_DEFAULT | (miners ? RANDOMX_FLAG_FULL_MEM : 0); + rx_vm = randomx_create_vm(flags, rx_sp->rs_cache, rx_dataset); + } + if (rx_vm == NULL) + local_abort("Couldn't allocate RandomX VM"); + } else if (miners) { + CTHR_MUTEX_LOCK(rx_dataset_mutex); + if (rx_dataset != NULL && rx_dataset_height != seedheight) + rx_initdata(cache, miners, seedheight); + CTHR_MUTEX_UNLOCK(rx_dataset_mutex); + } else if (changed) { + randomx_vm_set_cache(rx_vm, rx_sp->rs_cache); + } + /* mainchain users can run in parallel */ + if (!is_alt) + CTHR_MUTEX_UNLOCK(rx_sp->rs_mutex); + randomx_calculate_hash(rx_vm, data, length, hash); + /* altchain slot users always get fully serialized */ + if (is_alt) + CTHR_MUTEX_UNLOCK(rx_sp->rs_mutex); +} + +void me_rx_slow_hash_allocate_state(void) { +} + +void me_rx_slow_hash_free_state(void) { + if (rx_vm != NULL) { + randomx_destroy_vm(rx_vm); + rx_vm = NULL; + } +} + + diff --git a/src/page.h b/src/page.h index 50d405c..55fdeed 100644 --- a/src/page.h +++ b/src/page.h @@ -10,6 +10,13 @@ #include "mstch/mstch.hpp" #include "monero_headers.h" +#include "randomx.h" +#include "common.hpp" +#include "blake2/blake2.h" +#include "virtual_machine.hpp" +#include "program.hpp" +#include "aes_hash.hpp" +#include "assembly_generator_x86.hpp" #include "../gen/version.h" @@ -24,12 +31,18 @@ #include "../ext/json.hpp" -#include "../ext/vpetrigocaches/cache.hpp" -#include "../ext/vpetrigocaches/lru_cache_policy.hpp" -#include "../ext/vpetrigocaches/fifo_cache_policy.hpp" #include "../ext/mstch/src/visitor/render_node.hpp" +extern "C" uint64_t me_rx_seedheight(const uint64_t height); +// forked version of the rx_slow_hash from monero +extern "C" void me_rx_slow_hash(const uint64_t mainheight, const uint64_t seedheight, + const char *seedhash, + const void *data, size_t length, + char *hash, int miners, int is_alt); +//extern "C" void me_rx_reorg(const uint64_t split_height); + +extern __thread randomx_vm *rx_vm; #include #include @@ -49,6 +62,7 @@ #define TMPL_HEADER TMPL_DIR "/header.html" #define TMPL_FOOTER TMPL_DIR "/footer.html" #define TMPL_BLOCK TMPL_DIR "/block.html" +#define TMPL_RANDOMX TMPL_DIR "/randomx.html" #define TMPL_TX TMPL_DIR "/tx.html" #define TMPL_ADDRESS TMPL_DIR "/address.html" #define TMPL_MY_OUTPUTS TMPL_DIR "/my_outputs.html" @@ -61,16 +75,6 @@ #define TMPL_MY_RAWOUTPUTKEYS TMPL_DIR "/rawoutputkeys.html" #define TMPL_MY_CHECKRAWOUTPUTKEYS TMPL_DIR "/checkrawoutputkeys.html" -#define JS_JQUERY TMPL_DIR "/js/jquery.min.js" -#define JS_CRC32 TMPL_DIR "/js/crc32.js" -#define JS_BIGINT TMPL_DIR "/js/biginteger.js" -#define JS_CONFIG TMPL_DIR "/js/config.js" -#define JS_BASE58 TMPL_DIR "/js/base58.js" -#define JS_CRYPTO TMPL_DIR "/js/crypto.js" -#define JS_CNUTIL TMPL_DIR "/js/cn_util.js" -#define JS_NACLFAST TMPL_DIR "/js/nacl-fast-cn.js" -#define JS_SHA3 TMPL_DIR "/js/sha3.js" - #define ONIONEXPLORER_RPC_VERSION_MAJOR 1 #define ONIONEXPLORER_RPC_VERSION_MINOR 1 #define MAKE_ONIONEXPLORER_RPC_VERSION(major,minor) (((major)<<16)|(minor)) @@ -78,31 +82,6 @@ MAKE_ONIONEXPLORER_RPC_VERSION(ONIONEXPLORER_RPC_VERSION_MAJOR, ONIONEXPLORER_RPC_VERSION_MINOR) -// basic info about tx to be stored in cashe. -// we need to store block_no and timestamp, -// as this time and number of confirmation needs -// to be updated between requests. Just cant -// get it from cash, as it will be old very soon -struct tx_info_cache -{ - uint64_t block_no; - uint64_t timestamp; - mstch::map tx_map; - - // custom key for use in cache. - // cache uses unordeded map for keys - struct key - { - crypto::hash tx_hash; - bool detailed; - - bool operator==(const key &other) const - { - return (tx_hash == other.tx_hash && detailed == other.detailed); - } - }; -}; - // helper to ignore any number of template parametrs template using VoidT = void; @@ -140,22 +119,6 @@ struct OutputIndicesReturnVectOfVectT< >>: std::true_type {}; -// indect overload of hash for tx_info_cache::key -namespace std -{ - template<> - struct hash - { - size_t operator()(const tx_info_cache::key& k) const - { - size_t const h1 ( std::hash{}(k.tx_hash) ); - size_t const h2 ( std::hash{}(k.detailed) ); - return h1 ^ (h2 << 1); - }; - }; -} - - /** * visitor to produce json representations of @@ -232,6 +195,111 @@ using namespace std; using epee::string_tools::pod_to_hex; using epee::string_tools::hex_to_pod; +template< typename T > +std::string as_hex(T i) +{ + std::stringstream ss; + + ss << "0x" << setfill ('0') << setw(sizeof(T)*2) + << hex << i; + return ss.str(); +} + +struct randomx_status +{ + randomx::Program prog; + randomx::RegisterFile reg_file; + + randomx::AssemblyGeneratorX86 + get_asm() + { + randomx::AssemblyGeneratorX86 asmX86; + asmX86.generateProgram(prog); + return asmX86; + } + + mstch::map + get_mstch() + { + auto asmx86 = get_asm(); + + stringstream ss1, ss2; + + ss1 << prog; + asmx86.printCode(ss2); + + mstch::map rx_map { + {"rx_code" , ss1.str()}, + {"rx_code_asm", ss2.str()} + }; + + for (size_t i = 0; i < randomx::RegistersCount; ++i) + { + rx_map["r"+std::to_string(i)] = as_hex(reg_file.r[i]); + } + + for (size_t i = 0; i < randomx::RegistersCount/2; ++i) + { + rx_map["f"+std::to_string(i)] = rx_float_as_str(reg_file.f[i]); + rx_map["e"+std::to_string(i)] = rx_float_as_str(reg_file.e[i]); + rx_map["a"+std::to_string(i)] = rx_float_as_str(reg_file.a[i]); + } + + return rx_map; + } + + string + rx_float_as_str(randomx::fpu_reg_t fpu) + { + uint64_t* lo = reinterpret_cast(&fpu.lo); + uint64_t* hi = reinterpret_cast(&fpu.hi); + + return "{" + as_hex(*lo) + ", " + as_hex(*hi)+ "}"; + } +}; + +// modified version of the get_block_longhash +// from monero to use me_rx_slow_hash +bool +me_get_block_longhash(const Blockchain *pbc, + const block& b, + crypto::hash& res, + const uint64_t height, + const int miners) +{ + // block 202612 bug workaround + if (height == 202612) + { + static const std::string longhash_202612 = "84f64766475d51837ac9efbef1926486e58563c95a19fef4aec3254f03000000"; + epee::string_tools::hex_to_pod(longhash_202612, res); + return true; + } + blobdata bd = get_block_hashing_blob(b); + if (b.major_version >= RX_BLOCK_VERSION) + { + uint64_t seed_height, main_height; + crypto::hash hash; + + if (pbc != NULL) + { + seed_height = me_rx_seedheight(height); + hash = pbc->get_pending_block_id_by_height(seed_height); + main_height = pbc->get_current_blockchain_height(); + } else + { + memset(&hash, 0, sizeof(hash)); // only happens when generating genesis block + seed_height = 0; + main_height = 0; + } + + me_rx_slow_hash(main_height, seed_height, + hash.data, bd.data(), + bd.size(), res.data, miners, 0); + } + return true; +} + + /** * @brief The tx_details struct * @@ -403,22 +471,18 @@ bool mainnet; bool testnet; bool stagenet; -bool enable_js; bool enable_pusher; +bool enable_randomx; + bool enable_key_image_checker; bool enable_output_key_checker; bool enable_mixins_details; -bool enable_tx_cache; -bool enable_block_cache; bool enable_as_hex; -bool show_cache_times; - bool enable_autorefresh_option; - uint64_t no_of_mempool_tx_of_frontpage; uint64_t no_blocks_on_index; uint64_t mempool_info_timeout; @@ -437,24 +501,6 @@ string js_html_files_all_in_one; // read operation in OS map template_file; - -// alias for easy class typing -template -using lru_cache_t = caches::fixed_sized_cache>; - - -// alias for easy class typing -template -using fifo_cache_t = caches::fixed_sized_cache>; - -// cache of txs_map of txs in blocks. this is useful for -// index2 page, so that we dont parse txs in each block -// for each request. -fifo_cache_t>> block_tx_cache; - -lru_cache_t tx_context_cache; - - public: page(MicroCore* _mcore, @@ -462,15 +508,12 @@ page(MicroCore* _mcore, string _deamon_url, cryptonote::network_type _nettype, bool _enable_pusher, - bool _enable_js, + bool _enable_randomx, bool _enable_as_hex, bool _enable_key_image_checker, bool _enable_output_key_checker, bool _enable_autorefresh_option, bool _enable_mixins_details, - bool _enable_tx_cache, - bool _enable_block_cache, - bool _show_cache_times, uint64_t _no_blocks_on_index, uint64_t _mempool_info_timeout, string _testnet_url, @@ -482,22 +525,17 @@ page(MicroCore* _mcore, server_timestamp {std::time(nullptr)}, nettype {_nettype}, enable_pusher {_enable_pusher}, - enable_js {_enable_js}, + enable_randomx {_enable_randomx}, enable_as_hex {_enable_as_hex}, enable_key_image_checker {_enable_key_image_checker}, enable_output_key_checker {_enable_output_key_checker}, enable_autorefresh_option {_enable_autorefresh_option}, enable_mixins_details {_enable_mixins_details}, - enable_tx_cache {_enable_tx_cache}, - enable_block_cache {_enable_block_cache}, - show_cache_times {_show_cache_times}, no_blocks_on_index {_no_blocks_on_index}, mempool_info_timeout {_mempool_info_timeout}, testnet_url {_testnet_url}, stagenet_url {_stagenet_url}, - mainnet_url {_mainnet_url}, - block_tx_cache(200), - tx_context_cache(1000) + mainnet_url {_mainnet_url} { mainnet = nettype == cryptonote::network_type::MAINNET; testnet = nettype == cryptonote::network_type::TESTNET; @@ -517,6 +555,7 @@ page(MicroCore* _mcore, template_file["mempool_error"] = xmreg::read(TMPL_MEMPOOL_ERROR); template_file["mempool_full"] = get_full_page(template_file["mempool"]); template_file["block"] = get_full_page(xmreg::read(TMPL_BLOCK)); + template_file["randomx"] = get_full_page(xmreg::read(TMPL_RANDOMX)); template_file["tx"] = get_full_page(xmreg::read(TMPL_TX)); template_file["my_outputs"] = get_full_page(xmreg::read(TMPL_MY_OUTPUTS)); template_file["rawtx"] = get_full_page(xmreg::read(TMPL_MY_RAWTX)); @@ -531,65 +570,6 @@ page(MicroCore* _mcore, template_file["tx_details"] = xmreg::read(string(TMPL_PARIALS_DIR) + "/tx_details.html"); template_file["tx_table_header"] = xmreg::read(string(TMPL_PARIALS_DIR) + "/tx_table_header.html"); template_file["tx_table_row"] = xmreg::read(string(TMPL_PARIALS_DIR) + "/tx_table_row.html"); - - if (enable_js) { - // JavaScript files - template_file["jquery.min.js"] = xmreg::read(JS_JQUERY); - template_file["crc32.js"] = xmreg::read(JS_CRC32); - template_file["crypto.js"] = xmreg::read(JS_CRYPTO); - template_file["cn_util.js"] = xmreg::read(JS_CNUTIL); - template_file["base58.js"] = xmreg::read(JS_BASE58); - template_file["nacl-fast-cn.js"] = xmreg::read(JS_NACLFAST); - template_file["sha3.js"] = xmreg::read(JS_SHA3); - template_file["config.js"] = xmreg::read(JS_CONFIG); - template_file["biginteger.js"] = xmreg::read(JS_BIGINT); - - // need to set "testnet: false," flag to reflect - // if we are running testnet or mainnet explorer - - if (testnet) - { - template_file["config.js"] = std::regex_replace( - template_file["config.js"], - std::regex("testnet: false"), - "testnet: true"); - } - - // the same idea as above for the stagenet - - if (stagenet) - { - template_file["config.js"] = std::regex_replace( - template_file["config.js"], - std::regex("stagenet: false"), - "stagenet: true"); - } - - template_file["all_in_one.js"] = template_file["jquery.min.js"] + - template_file["crc32.js"] + - template_file["biginteger.js"] + - template_file["config.js"] + - template_file["nacl-fast-cn.js"] + - template_file["crypto.js"] + - template_file["base58.js"] + - template_file["cn_util.js"] + - template_file["sha3.js"]; - - js_html_files += ""; - js_html_files += ""; - js_html_files += ""; - js_html_files += ""; - js_html_files += ""; - js_html_files += ""; - js_html_files += ""; - js_html_files += ""; - js_html_files += ""; - - // /js/all_in_one.js file does not exist. it is generated on the fly - // from the above real files. - js_html_files_all_in_one = ""; - } - } /** @@ -654,8 +634,7 @@ index2(uint64_t page_no = 0, bool refresh_page = false) {"enable_pusher" , enable_pusher}, {"enable_key_image_checker" , enable_key_image_checker}, {"enable_output_key_checker", enable_output_key_checker}, - {"enable_autorefresh_option", enable_autorefresh_option}, - {"show_cache_times" , show_cache_times} + {"enable_autorefresh_option", enable_autorefresh_option} }; context.emplace("txs", mstch::array()); // will keep tx to show @@ -673,12 +652,6 @@ index2(uint64_t page_no = 0, bool refresh_page = false) vector blk_sizes; - // measure time of cache based execution, and non-cached execution - double duration_cached {0.0}; - double duration_non_cached {0.0}; - uint64_t cache_hits {0}; - uint64_t cache_misses {0}; - // loop index int64_t i = end_height; @@ -713,193 +686,67 @@ index2(uint64_t page_no = 0, bool refresh_page = false) context["age_format"] = age.second; + // start measure time here + auto start = std::chrono::steady_clock::now(); - if (enable_block_cache && block_tx_cache.Contains(i)) + // get all transactions in the block found + // initialize the first list with transaction for solving + // the block i.e. coinbase. + vector blk_txs {blk.miner_tx}; + vector missed_txs; + + if (!core_storage->get_transactions(blk.tx_hashes, blk_txs, missed_txs)) { - // get txs info in the ith block from - // our cache - - // start measure time here - auto start = std::chrono::steady_clock::now(); - - const vector>& txd_pairs - = block_tx_cache.Get(i); - - // copy tx maps from txs_maps_tmp into txs array, - // that will go to templates - for (const pair& txd_pair: txd_pairs) - { - // we need to check if the given transaction is still - // in the same block as when it was cached. it is possible - // the block got orphaned, and this tx is in mempool - // or different block, and what we have in cache - // is thus wrong - - // but we do this only for first top blocks. no sense - // doing it for all blocks - - bool is_tx_still_in_block_as_expected {true}; - - if (i + CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE > height) - { - const crypto::hash& tx_hash = txd_pair.first; - - if (core_storage->have_tx(tx_hash)) - { - try - { - uint64_t tx_height_in_blockchain = - core_storage->get_db().get_tx_block_height(tx_hash); - - // check if height of the given tx that we have in cache, - // denoted by i, is same as what is acctually stored - // in blockchain - if (tx_height_in_blockchain == i) - { - is_tx_still_in_block_as_expected = true; - } - else - { - // if no tx in the given block, just stop - // any futher search. no need. we are going - // to ditch the cache, in a monent - is_tx_still_in_block_as_expected = false; - break; - } - } - catch (const TX_DNE& e) - { - cerr << "Tx from cache" << pod_to_hex(tx_hash) - << " is no longer in the blockchain " - << endl; - - is_tx_still_in_block_as_expected = false; - break; - } - } - else - { - is_tx_still_in_block_as_expected = false; - break; - } - - } // if (i + CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE > height) - - - if (!is_tx_still_in_block_as_expected) - { - // if some tx in cache is not in blockchain - // where it should be, its probably better to - // ditch entire cache, as redo it below. - - block_tx_cache.Clear(); - txs.clear(); - i = end_height; - continue; // reado the main loop - } - - // if we got to here, it means that everything went fine - // and no unexpeced things happended. - mstch::map txd_map = boost::get(txd_pair.second); - - // now we need to update age of txs from cashe - if (!boost::get(txd_map["age"]).empty()) - { - txd_map["age"] = age.first; - } - - txs.push_back(txd_map); - - } // for (const pair& txd_pair: txd_pairs) - - auto duration = std::chrono::duration_cast - (std::chrono::steady_clock::now() - start); - - // cout << "block_tx_json_cache from cache" << endl; - - duration_cached += duration.count(); - - ++cache_hits; + cerr << "Cant get transactions in block: " << i << endl; + --i; + continue; } - else + + uint64_t tx_i {0}; + + // tx_hash , txd_map + vector> txd_pairs; + + for(auto it = blk_txs.begin(); it != blk_txs.end(); ++it) { - // this is new block. not in cashe. - // need to process its txs and add to cache + const cryptonote::transaction& tx = *it; - // start measure time here - auto start = std::chrono::steady_clock::now(); + const tx_details& txd = get_tx_details(tx, false, i, height); - // get all transactions in the block found - // initialize the first list with transaction for solving - // the block i.e. coinbase. - vector blk_txs {blk.miner_tx}; - vector missed_txs; + mstch::map txd_map = txd.get_mstch_map(); - if (!core_storage->get_transactions(blk.tx_hashes, blk_txs, missed_txs)) + //add age to the txd mstch map + txd_map.insert({"height" , i}); + txd_map.insert({"blk_hash" , blk_hash_str}); + txd_map.insert({"age" , age.first}); + txd_map.insert({"is_ringct" , (tx.version > 1)}); + txd_map.insert({"rct_type" , tx.rct_signatures.type}); + txd_map.insert({"blk_size" , blk_size_str}); + + + // do not show block info for other than first tx in a block + if (tx_i > 0) { - cerr << "Cant get transactions in block: " << i << endl; - --i; - continue; + txd_map["height"] = string(""); + txd_map["age"] = string(""); + txd_map["blk_size"] = string(""); } - uint64_t tx_i {0}; + txd_pairs.emplace_back(txd.hash, txd_map); - // this vector will go into block_tx cache - // tx_hash , txd_map - vector> txd_pairs; + ++tx_i; - for(auto it = blk_txs.begin(); it != blk_txs.end(); ++it) - { - const cryptonote::transaction& tx = *it; + } // for(list::reverse_iterator rit = blk_txs.rbegin(); - const tx_details& txd = get_tx_details(tx, false, i, height); + // copy tx maps from txs_maps_tmp into txs array, + // that will go to templates + for (const pair& txd_pair: txd_pairs) + { + txs.push_back(boost::get(txd_pair.second)); + } - mstch::map txd_map = txd.get_mstch_map(); - - //add age to the txd mstch map - txd_map.insert({"height" , i}); - txd_map.insert({"blk_hash" , blk_hash_str}); - txd_map.insert({"age" , age.first}); - txd_map.insert({"is_ringct" , (tx.version > 1)}); - txd_map.insert({"rct_type" , tx.rct_signatures.type}); - txd_map.insert({"blk_size" , blk_size_str}); - - - // do not show block info for other than first tx in a block - if (tx_i > 0) - { - txd_map["height"] = string(""); - txd_map["age"] = string(""); - txd_map["blk_size"] = string(""); - } - - txd_pairs.emplace_back(txd.hash, txd_map); - - ++tx_i; - - } // for(list::reverse_iterator rit = blk_txs.rbegin(); - - // copy tx maps from txs_maps_tmp into txs array, - // that will go to templates - for (const pair& txd_pair: txd_pairs) - { - txs.push_back(boost::get(txd_pair.second)); - } - - auto duration = std::chrono::duration_cast - (std::chrono::steady_clock::now() - start); - - duration_non_cached += duration.count(); - - ++cache_misses; - - if (enable_block_cache) - { - // save in block_tx cache - block_tx_cache.Put(i, txd_pairs); - } - - } // else if (block_tx_json_cache.Contains(i)) + auto duration = std::chrono::duration_cast + (std::chrono::steady_clock::now() - start); --i; // go to next block number @@ -908,21 +755,6 @@ index2(uint64_t page_no = 0, bool refresh_page = false) // calculate median size of the blocks shown //double blk_size_median = xmreg::calc_median(blk_sizes.begin(), blk_sizes.end()); - // save computational times for disply in the frontend - - context["construction_time_cached"] = fmt::format( - "{:0.4f}", duration_cached/1.0e6); - - context["construction_time_non_cached"] = fmt::format( - "{:0.4f}", duration_non_cached/1.0e6); - - context["construction_time_total"] = fmt::format( - "{:0.4f}", (duration_non_cached+duration_cached)/1.0e6); - - context["cache_hits"] = cache_hits; - context["cache_misses"] = cache_misses; - - // get current network info from MemoryStatus thread. MempoolStatus::network_info current_network_info = MempoolStatus::current_network_info; @@ -930,12 +762,19 @@ index2(uint64_t page_no = 0, bool refresh_page = false) // perapre network info mstch::map for the front page string hash_rate; - if (current_network_info.hash_rate > 1e6) - hash_rate = fmt::format("{:0.3f} MH/s", current_network_info.hash_rate/1.0e6); - else if (current_network_info.hash_rate > 1e3) - hash_rate = fmt::format("{:0.3f} kH/s", current_network_info.hash_rate/1.0e3); + double hr_d; + char metric_prefix; + + cryptonote::difficulty_type hr = make_difficulty( + current_network_info.hash_rate, + current_network_info.hash_rate_top64); + + get_metric_prefix(hr, hr_d, metric_prefix); + + if (metric_prefix != 0) + hash_rate = fmt::format("{:0.3f} {:c}H/s", hr_d, metric_prefix); else - hash_rate = fmt::format("{:d} H/s", current_network_info.hash_rate); + hash_rate = fmt::format("{:s} H/s", hr.str()); pair network_info_age = get_age(local_copy_server_timestamp, current_network_info.info_timestamp); @@ -1048,7 +887,6 @@ mempool(bool add_header_and_footer = false, uint64_t no_of_mempool_tx = 25) // initalise page tempate map with basic info about mempool mstch::map context { {"mempool_size" , static_cast(total_no_of_mempool_tx)}, // total no of mempool txs - {"show_cache_times" , show_cache_times}, {"mempool_refresh_time" , MempoolStatus::mempool_refresh_time} }; @@ -1057,11 +895,6 @@ mempool(bool add_header_and_footer = false, uint64_t no_of_mempool_tx = 25) // get reference to blocks template map to be field below mstch::array& txs = boost::get(context["mempooltxs"]); - double duration_cached {0.0}; - double duration_non_cached {0.0}; - uint64_t cache_hits {0}; - uint64_t cache_misses {0}; - uint64_t local_copy_server_timestamp = server_timestamp; // for each transaction in the memory pool @@ -1092,7 +925,6 @@ mempool(bool add_header_and_footer = false, uint64_t no_of_mempool_tx = 25) delta_time[3], delta_time[4]); } - // cout << "block_tx_json_cache from cache" << endl; // set output page template map txs.push_back(mstch::map { @@ -1205,7 +1037,6 @@ altblocks() string show_block(uint64_t _blk_height) { - // get block at the given height i block blk; @@ -1290,11 +1121,8 @@ show_block(uint64_t _blk_height) // initalise page tempate map with basic info about blockchain - string blk_pow_hash_str = pod_to_hex(get_block_longhash( - core_storage, blk, _blk_height, 0)); - - cryptonote::difficulty_type blk_difficulty - = core_storage->get_db().get_block_difficulty(_blk_height); + string blk_pow_hash_str = pod_to_hex(get_block_longhash(core_storage, blk, _blk_height, 0)); + cryptonote::difficulty_type blk_difficulty = core_storage->get_db().get_block_difficulty(_blk_height); mstch::map context { {"testnet" , testnet}, @@ -1315,8 +1143,9 @@ show_block(uint64_t _blk_height) {"delta_time" , delta_time}, {"blk_nonce" , blk.nonce}, {"blk_pow_hash" , blk_pow_hash_str}, - {"blk_difficulty_lo" , (blk_difficulty << 64 >> 64).convert_to()}, - {"blk_difficulty_hi" , (blk_difficulty >> 64).convert_to()}, + {"is_randomx" , (blk.major_version >= 13 + && enable_randomx == true)}, + {"blk_difficulty" , blk_difficulty.str()}, {"age_format" , age.second}, {"major_ver" , std::to_string(blk.major_version)}, {"minor_ver" , std::to_string(blk.minor_version)}, @@ -1416,7 +1245,71 @@ show_block(string _blk_hash) } string -show_tx(string tx_hash_str, uint16_t with_ring_signatures = 0) +show_randomx(uint64_t _blk_height) +{ + if (enable_randomx == false) + { + return "RandomX code generation disabled! Use --enable-randomx" + " flag to enable if."; + } + + // get block at the given height i + block blk; + + uint64_t current_blockchain_height + = core_storage->get_current_blockchain_height(); + + if (_blk_height > current_blockchain_height) + { + cerr << "Cant get block: " << _blk_height + << " since its higher than current blockchain height" + << " i.e., " << current_blockchain_height + << endl; + return fmt::format("Cant get block {:d} since its higher than current blockchain height!", + _blk_height); + } + + if (!mcore->get_block_by_height(_blk_height, blk)) + { + cerr << "Cant get block: " << _blk_height << endl; + return fmt::format("Cant get block {:d}!", _blk_height); + } + + // get block's hash + crypto::hash blk_hash = core_storage->get_block_id_by_height(_blk_height); + + string blk_hash_str = pod_to_hex(blk_hash); + + + auto rx_code = get_randomx_code(_blk_height, + blk, blk_hash); + + mstch::array rx_code_str = mstch::array{}; + int code_idx {1}; + + for (auto& rxc: rx_code) + { + mstch::map rx_map = rxc.get_mstch(); + rx_map["first_program"] = (code_idx == 1); + rx_map["rx_code_idx"] = code_idx++; + rx_code_str.push_back(rx_map); + } + + mstch::map context { + {"testnet" , testnet}, + {"stagenet" , stagenet}, + {"blk_hash" , blk_hash_str}, + {"blk_height" , _blk_height}, + {"rx_codes" , rx_code_str}, + }; + + add_css_style(context); + + return mstch::render(template_file["randomx"], context); +} + +string +show_tx(string tx_hash_str, uint16_t with_ring_signatures = 0, bool refresh_page = false) { // parse tx hash string to hash object @@ -1476,149 +1369,8 @@ show_tx(string tx_hash_str, uint16_t with_ring_signatures = 0) mstch::map tx_context; - if (enable_tx_cache && tx_context_cache.Contains({tx_hash, static_cast(with_ring_signatures)})) - { - // with_ring_signatures == 0 means that cache is not used - // when obtaining detailed information about tx is requested. - - // we are going to measure time for the construction of the - // tx context from cashe. just for fun, to see if cache is any faster. - auto start = std::chrono::steady_clock::now(); - - const tx_info_cache& tx_info_cashed - = tx_context_cache.Get({tx_hash, static_cast(with_ring_signatures)}); - - tx_context = tx_info_cashed.tx_map; - - //cout << "get tx from cash: " << tx_hash_str <(tx_context["tx_blk_height"]) <(tx_context["blk_timestamp_uint"]) <(tx_context["tx_blk_height"]); - uint64_t blk_timestamp_uint = boost::get(tx_context["blk_timestamp_uint"]); - - if (tx_blk_height > 0) - { - // seems to be in blockchain. off course it could have been orphaned - // so double check if its for sure in blockchain - - if (core_storage->have_tx(tx_hash)) - { - // ok, it is still in blockchain - // update its age and number of confirmations - - pair age - = get_age(std::time(nullptr), - blk_timestamp_uint, - FULL_AGE_FORMAT); - - tx_context["delta_time"] = age.first; - - uint64_t bc_height = core_storage->get_current_blockchain_height(); - - tx_context["confirmations"] = bc_height - (tx_blk_height - 1); - - // marke it as from cashe. useful if we want to show - // info about cashed/not cashed in frontend. - tx_context["from_cache"] = true; - - auto duration = std::chrono::duration_cast - (std::chrono::steady_clock::now() - start); - - tx_context["construction_time"] = fmt::format( - "{:0.4f}", static_cast(duration.count())/1.0e6); - - // normally we should update this into in the cache. - // but since we make this check all the time, - // we can skip updating cashed version - - } // if (core_storage->have_tx(tx_hash)) - else - { - // its not in blockchain, but it was there when we cashed it. - // so we update it in cash, as it should be back in mempool - - tx_context = construct_tx_context(tx, static_cast(with_ring_signatures)); - - tx_context_cache.Put( - {tx_hash, static_cast(with_ring_signatures)}, - tx_info_cache { - boost::get(tx_context["tx_blk_height"]), - boost::get(tx_context["blk_timestamp_uint"]), - tx_context} - ); - } - } // if (tx_blk_height > 0) - else - { - // the tx was cashed when in mempool. - // since then, it might have been included in some block. - // so we check it. - - if (core_storage->have_tx(tx_hash)) - { - // checking if in blockchain already - // it was before in mempool, but now maybe already in blockchain - - tx_context = construct_tx_context(tx, static_cast(with_ring_signatures)); - - tx_context_cache.Put( - {tx_hash, static_cast(with_ring_signatures)}, - tx_info_cache { - boost::get(tx_context["tx_blk_height"]), - boost::get(tx_context["blk_timestamp_uint"]), - tx_context}); - - - } // if (core_storage->have_tx(tx_hash)) - else - { - // still seems to be in mempool only. - // so just get its time duration, as its read only - // from cache - - tx_context["from_cache"] = true; - - auto duration = std::chrono::duration_cast - (std::chrono::steady_clock::now() - start); - - tx_context["construction_time"] = fmt::format( - "{:0.4f}", static_cast(duration.count())/1.0e6); - - } - - } // else if (tx_blk_height > 0) - - } // if (tx_context_cache.Contains(tx_hash)) - else - { - - // we are going to measure time for the construction of the - // tx context. just for fun, to see if cache is any faster. - auto start = std::chrono::steady_clock::now(); - - tx_context = construct_tx_context(tx, static_cast(with_ring_signatures)); - - auto duration = std::chrono::duration_cast - (std::chrono::steady_clock::now() - start); - - if (enable_tx_cache) - { - tx_context_cache.Put( - {tx_hash, static_cast(with_ring_signatures)}, - tx_info_cache { - boost::get(tx_context["tx_blk_height"]), - boost::get(tx_context["blk_timestamp_uint"]), - tx_context}); - } - - tx_context["construction_time"] = fmt::format( - "{:0.4f}", static_cast(duration.count())/1.0e6); - - } // else if (tx_context_cache.Contains(tx_hash)) + tx_context = construct_tx_context(tx, static_cast(with_ring_signatures)); tx_context["show_more_details_link"] = show_more_details_link; @@ -1630,8 +1382,9 @@ show_tx(string tx_hash_str, uint16_t with_ring_signatures = 0) mstch::map context { {"testnet" , this->testnet}, {"stagenet" , this->stagenet}, - {"show_cache_times" , show_cache_times}, - {"txs" , mstch::array{}} + {"txs" , mstch::array{}}, + {"refresh" , refresh_page}, + {"tx_hash" , tx_hash_str} }; boost::get(context["txs"]).push_back(tx_context); @@ -1642,9 +1395,6 @@ show_tx(string tx_hash_str, uint16_t with_ring_signatures = 0) add_css_style(context); - if (enable_js) - add_js_files(context); - // render the page return mstch::render(template_file["tx"], context, partials); } @@ -2335,8 +2085,8 @@ show_my_outputs(string tx_hash_str, string pid_str = pod_to_hex(txd.payment_id); string pid8_str = pod_to_hex(txd.payment_id8); - string shortcut_url = domain - + (tx_prove ? "/prove" : "/myoutputs") + string shortcut_url = tx_prove + ? string("/prove") : string("/myoutputs") + '/' + tx_hash_str + '/' + xmr_address_str + '/' + viewkey_str; @@ -2370,6 +2120,7 @@ show_my_outputs(string tx_hash_str, {"payment_id8" , pid8_str}, {"decrypted_payment_id8", string{}}, {"tx_prove" , tx_prove}, + {"domain_url" , domain}, {"shortcut_url" , shortcut_url} }; @@ -3026,8 +2777,6 @@ show_checkrawtx(string raw_tx_data, string action) add_css_style(context); - if (enable_js) - add_js_files(context); if (unsigned_tx_given) { @@ -3374,8 +3123,6 @@ show_checkrawtx(string raw_tx_data, string action) add_css_style(context); - if (enable_js) - add_js_files(context); // render the page return mstch::render(template_file["checkrawtx"], context, partials); @@ -4775,11 +4522,6 @@ json_transaction(string tx_hash_str) no_confirmations = txd.no_confirmations; } - // get tx from tx fetched. can be use to double check - // if what we return in the json response agrees with - // what tx_hash was requested - string tx_hash_str_again = pod_to_hex(get_transaction_hash(tx)); - // get basic tx info j_data = get_tx_json(tx, txd); @@ -6344,7 +6086,6 @@ construct_tx_context(transaction tx, uint16_t with_ring_signatures = 0) {"error_msg" , string("")}, {"have_raw_tx" , false}, {"show_more_details_link", true}, - {"from_cache" , false}, {"construction_time" , string {}}, }; @@ -6760,7 +6501,15 @@ get_tx_details(const transaction& tx, tx_details txd; // get tx hash - txd.hash = get_transaction_hash(tx); + + if (!tx.pruned) + { + txd.hash = get_transaction_hash(tx); + } + else + { + txd.hash = get_pruned_transaction_hash(tx, tx.prunable_hash); + } // get tx public key from extra // this check if there are two public keys @@ -6990,7 +6739,7 @@ get_monero_network_info(json& j_info) {"current" , local_copy_network_info.current}, {"height" , local_copy_network_info.height}, {"target_height" , local_copy_network_info.target_height}, - {"difficulty" , local_copy_network_info.difficulty}, + {"difficulty" , make_difficulty(local_copy_network_info.difficulty, local_copy_network_info.difficulty_top64).str()}, {"target" , local_copy_network_info.target}, {"hash_rate" , local_copy_network_info.hash_rate}, {"tx_count" , local_copy_network_info.tx_count}, @@ -7003,7 +6752,7 @@ get_monero_network_info(json& j_info) {"testnet" , local_copy_network_info.nettype == cryptonote::network_type::TESTNET}, {"stagenet" , local_copy_network_info.nettype == cryptonote::network_type::STAGENET}, {"top_block_hash" , pod_to_hex(local_copy_network_info.top_block_hash)}, - {"cumulative_difficulty" , local_copy_network_info.cumulative_difficulty}, + {"cumulative_difficulty" , make_difficulty(local_copy_network_info.cumulative_difficulty, local_copy_network_info.cumulative_difficulty_top64).str()}, {"block_size_limit" , local_copy_network_info.block_size_limit}, {"block_size_median" , local_copy_network_info.block_size_median}, {"start_time" , local_copy_network_info.start_time}, @@ -7090,8 +6839,6 @@ void add_css_style(mstch::map& context) { // add_css_style goes to every subpage so here we mark - // if js is anabled or not. - context["enable_js"] = enable_js; context["css_styles"] = mstch::lambda{[&](const std::string& text) -> mstch::node { return template_file["css_styles"]; @@ -7133,13 +6880,70 @@ get_tx(string const& tx_hash_str, return true; } -void -add_js_files(mstch::map& context) +vector +get_randomx_code(uint64_t blk_height, + block const& blk, + crypto::hash const& blk_hash) { - context["js_files"] = mstch::lambda{[&](const std::string& text) -> mstch::node { - //return this->js_html_files; - return this->js_html_files_all_in_one; - }}; + static std::mutex mtx; + + vector rx_code; + + blobdata bd = get_block_hashing_blob(blk); + + std::lock_guard lk {mtx}; + + if (!rx_vm) + { + + crypto::hash block_hash; + + // this will create rx_vm instance if one + // does not exist + me_get_block_longhash(core_storage, blk, block_hash, blk_height, 0); + + if (!rx_vm) + { + cerr << "rx_vm is still null!"; + return {}; + } + } + + + // based on randomx calculate hash + // the hash is seed used to generated scrachtpad and program + alignas(16) uint64_t tempHash[8]; + blake2b(tempHash, sizeof(tempHash), bd.data(), bd.size(), nullptr, 0); + + rx_vm->initScratchpad(&tempHash); + rx_vm->resetRoundingMode(); + + for (int chain = 0; chain < RANDOMX_PROGRAM_COUNT - 1; ++chain) + { + rx_vm->run(&tempHash); + + blake2b(tempHash, sizeof(tempHash), + rx_vm->getRegisterFile(), + sizeof(randomx::RegisterFile), nullptr, 0); + + rx_code.push_back({}); + + rx_code.back().prog = rx_vm->getProgram(); + rx_code.back().reg_file = *(rx_vm->getRegisterFile()); + } + + rx_vm->run(&tempHash); + + rx_code.push_back({}); + + rx_code.back().prog = rx_vm->getProgram(); + rx_code.back().reg_file = *(rx_vm->getRegisterFile()); + + //crypto::hash res2; + //rx_vm->getFinalResult(res2.data, RANDOMX_HASH_SIZE); + //cout << "pow2: " << pod_to_hex(res2) << endl; + + return rx_code; } template diff --git a/src/templates/block.html b/src/templates/block.html index 844eef5..7df8c6e 100644 --- a/src/templates/block.html +++ b/src/templates/block.html @@ -32,7 +32,13 @@ PoW hash:{{blk_pow_hash}} - Difficulty (hi64, lo64):{{blk_difficulty_hi}}, {{blk_difficulty_lo}} + Difficulty:{{blk_difficulty}} + {{#is_randomx}} + RandomWOW source code + {{/is_randomx}} + {{^is_randomx}} + + {{/is_randomx}} diff --git a/src/templates/header.html b/src/templates/header.html index 915569a..9eb518f 100644 --- a/src/templates/header.html +++ b/src/templates/header.html @@ -13,15 +13,13 @@ {{#css_styles}}{{/css_styles}} - {{#js_files}}{{/js_files}} -
-

Wownero Blockchain Explorer

-

({{^enable_js}}no javascript - {{/enable_js}}no cookies - no web analytics trackers - no images - open sourced)

+

Onion Wownero Blockchain Explorer

+

(no javascript - no cookies - no web analytics trackers - no images - open sourced)

diff --git a/src/templates/index2.html b/src/templates/index2.html index c97ac0c..762ee80 100644 --- a/src/templates/index2.html +++ b/src/templates/index2.html @@ -111,14 +111,3 @@
- -{{#show_cache_times}} -
-
- Tx details construction time: {{construction_time_total}} s -
- includes {{construction_time_cached}} s from block cache ({{cache_hits}} hits) - and {{construction_time_non_cached}} s from non cache ({{cache_misses}} misses) -
-
-{{/show_cache_times}} diff --git a/src/templates/js/base58.js b/src/templates/js/base58.js deleted file mode 100755 index 092bac5..0000000 --- a/src/templates/js/base58.js +++ /dev/null @@ -1,190 +0,0 @@ -var cnBase58 = (function () { - var b58 = {}; - - var alphabet_str = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"; - var alphabet = []; - for (var i = 0; i < alphabet_str.length; i++) { - alphabet.push(alphabet_str.charCodeAt(i)); - } - var encoded_block_sizes = [0, 2, 3, 5, 6, 7, 9, 10, 11]; - - var alphabet_size = alphabet.length; - var full_block_size = 8; - var full_encoded_block_size = 11; - - var UINT64_MAX = new JSBigInt(2).pow(64); - - function hextobin(hex) { - if (hex.length % 2 !== 0) throw "Hex string has invalid length!"; - var res = new Uint8Array(hex.length / 2); - for (var i = 0; i < hex.length / 2; ++i) { - res[i] = parseInt(hex.slice(i * 2, i * 2 + 2), 16); - } - return res; - } - - function bintohex(bin) { - var out = []; - for (var i = 0; i < bin.length; ++i) { - out.push(("0" + bin[i].toString(16)).slice(-2)); - } - return out.join(""); - } - - function strtobin(str) { - var res = new Uint8Array(str.length); - for (var i = 0; i < str.length; i++) { - res[i] = str.charCodeAt(i); - } - return res; - } - - function bintostr(bin) { - var out = []; - for (var i = 0; i < bin.length; i++) { - out.push(String.fromCharCode(bin[i])); - } - return out.join(""); - } - - function uint8_be_to_64(data) { - if (data.length < 1 || data.length > 8) { - throw "Invalid input length"; - } - var res = JSBigInt.ZERO; - var twopow8 = new JSBigInt(2).pow(8); - var i = 0; - switch (9 - data.length) { - case 1: - res = res.add(data[i++]); - case 2: - res = res.multiply(twopow8).add(data[i++]); - case 3: - res = res.multiply(twopow8).add(data[i++]); - case 4: - res = res.multiply(twopow8).add(data[i++]); - case 5: - res = res.multiply(twopow8).add(data[i++]); - case 6: - res = res.multiply(twopow8).add(data[i++]); - case 7: - res = res.multiply(twopow8).add(data[i++]); - case 8: - res = res.multiply(twopow8).add(data[i++]); - break; - default: - throw "Impossible condition"; - } - return res; - } - - function uint64_to_8be(num, size) { - var res = new Uint8Array(size); - if (size < 1 || size > 8) { - throw "Invalid input length"; - } - var twopow8 = new JSBigInt(2).pow(8); - for (var i = size - 1; i >= 0; i--) { - res[i] = num.remainder(twopow8).toJSValue(); - num = num.divide(twopow8); - } - return res; - } - - b58.encode_block = function (data, buf, index) { - if (data.length < 1 || data.length > full_encoded_block_size) { - throw "Invalid block length: " + data.length; - } - var num = uint8_be_to_64(data); - var i = encoded_block_sizes[data.length] - 1; - // while num > 0 - while (num.compare(0) === 1) { - var div = num.divRem(alphabet_size); - // remainder = num % alphabet_size - var remainder = div[1]; - // num = num / alphabet_size - num = div[0]; - buf[index + i] = alphabet[remainder.toJSValue()]; - i--; - } - return buf; - }; - - b58.encode = function (hex) { - var data = hextobin(hex); - if (data.length === 0) { - return ""; - } - var full_block_count = Math.floor(data.length / full_block_size); - var last_block_size = data.length % full_block_size; - var res_size = full_block_count * full_encoded_block_size + encoded_block_sizes[last_block_size]; - - var res = new Uint8Array(res_size); - var i; - for (i = 0; i < res_size; ++i) { - res[i] = alphabet[0]; - } - for (i = 0; i < full_block_count; i++) { - res = b58.encode_block(data.subarray(i * full_block_size, i * full_block_size + full_block_size), res, i * full_encoded_block_size); - } - if (last_block_size > 0) { - res = b58.encode_block(data.subarray(full_block_count * full_block_size, full_block_count * full_block_size + last_block_size), res, full_block_count * full_encoded_block_size) - } - return bintostr(res); - }; - - b58.decode_block = function (data, buf, index) { - if (data.length < 1 || data.length > full_encoded_block_size) { - throw "Invalid block length: " + data.length; - } - - var res_size = encoded_block_sizes.indexOf(data.length); - if (res_size <= 0) { - throw "Invalid block size"; - } - var res_num = new JSBigInt(0); - var order = new JSBigInt(1); - for (var i = data.length - 1; i >= 0; i--) { - var digit = alphabet.indexOf(data[i]); - if (digit < 0) { - throw "Invalid symbol"; - } - var product = order.multiply(digit).add(res_num); - // if product > UINT64_MAX - if (product.compare(UINT64_MAX) === 1) { - throw "Overflow"; - } - res_num = product; - order = order.multiply(alphabet_size); - } - if (res_size < full_block_size && (new JSBigInt(2).pow(8 * res_size).compare(res_num) <= 0)) { - throw "Overflow 2"; - } - buf.set(uint64_to_8be(res_num, res_size), index); - return buf; - }; - - b58.decode = function (enc) { - enc = strtobin(enc); - if (enc.length === 0) { - return ""; - } - var full_block_count = Math.floor(enc.length / full_encoded_block_size); - var last_block_size = enc.length % full_encoded_block_size; - var last_block_decoded_size = encoded_block_sizes.indexOf(last_block_size); - if (last_block_decoded_size < 0) { - throw "Invalid encoded length"; - } - var data_size = full_block_count * full_block_size + last_block_decoded_size; - var data = new Uint8Array(data_size); - for (var i = 0; i < full_block_count; i++) { - data = b58.decode_block(enc.subarray(i * full_encoded_block_size, i * full_encoded_block_size + full_encoded_block_size), data, i * full_block_size); - } - if (last_block_size > 0) { - data = b58.decode_block(enc.subarray(full_block_count * full_encoded_block_size, full_block_count * full_encoded_block_size + last_block_size), data, full_block_count * full_block_size); - } - return bintohex(data); - }; - - return b58; -})(); \ No newline at end of file diff --git a/src/templates/js/biginteger.js b/src/templates/js/biginteger.js deleted file mode 100644 index 8b63aa9..0000000 --- a/src/templates/js/biginteger.js +++ /dev/null @@ -1,1629 +0,0 @@ -/* - JavaScript BigInteger library version 0.9.1 - http://silentmatt.com/biginteger/ - - Copyright (c) 2009 Matthew Crumley - Copyright (c) 2010,2011 by John Tobey - Licensed under the MIT license. - - Support for arbitrary internal representation base was added by - Vitaly Magerya. -*/ - -/* - File: biginteger.js - - Exports: - - -*/ -(function(exports) { -"use strict"; -/* - Class: BigInteger - An arbitrarily-large integer. - - objects should be considered immutable. None of the "built-in" - methods modify *this* or their arguments. All properties should be - considered private. - - All the methods of instances can be called "statically". The - static versions are convenient if you don't already have a - object. - - As an example, these calls are equivalent. - - > BigInteger(4).multiply(5); // returns BigInteger(20); - > BigInteger.multiply(4, 5); // returns BigInteger(20); - - > var a = 42; - > var a = BigInteger.toJSValue("0b101010"); // Not completely useless... -*/ - -var CONSTRUCT = {}; // Unique token to call "private" version of constructor - -/* - Constructor: BigInteger() - Convert a value to a . - - Although is the constructor for objects, it is - best not to call it as a constructor. If *n* is a object, it is - simply returned as-is. Otherwise, is equivalent to - without a radix argument. - - > var n0 = BigInteger(); // Same as - > var n1 = BigInteger("123"); // Create a new with value 123 - > var n2 = BigInteger(123); // Create a new with value 123 - > var n3 = BigInteger(n2); // Return n2, unchanged - - The constructor form only takes an array and a sign. *n* must be an - array of numbers in little-endian order, where each digit is between 0 - and BigInteger.base. The second parameter sets the sign: -1 for - negative, +1 for positive, or 0 for zero. The array is *not copied and - may be modified*. If the array contains only zeros, the sign parameter - is ignored and is forced to zero. - - > new BigInteger([5], -1): create a new BigInteger with value -5 - - Parameters: - - n - Value to convert to a . - - Returns: - - A value. - - See Also: - - , -*/ -function BigInteger(n, s, token) { - if (token !== CONSTRUCT) { - if (n instanceof BigInteger) { - return n; - } - else if (typeof n === "undefined") { - return ZERO; - } - return BigInteger.parse(n); - } - - n = n || []; // Provide the nullary constructor for subclasses. - while (n.length && !n[n.length - 1]) { - --n.length; - } - this._d = n; - this._s = n.length ? (s || 1) : 0; -} - -BigInteger._construct = function(n, s) { - return new BigInteger(n, s, CONSTRUCT); -}; - -// Base-10 speedup hacks in parse, toString, exp10 and log functions -// require base to be a power of 10. 10^7 is the largest such power -// that won't cause a precision loss when digits are multiplied. -var BigInteger_base = 10000000; -var BigInteger_base_log10 = 7; - -BigInteger.base = BigInteger_base; -BigInteger.base_log10 = BigInteger_base_log10; - -var ZERO = new BigInteger([], 0, CONSTRUCT); -// Constant: ZERO -// 0. -BigInteger.ZERO = ZERO; - -var ONE = new BigInteger([1], 1, CONSTRUCT); -// Constant: ONE -// 1. -BigInteger.ONE = ONE; - -var M_ONE = new BigInteger(ONE._d, -1, CONSTRUCT); -// Constant: M_ONE -// -1. -BigInteger.M_ONE = M_ONE; - -// Constant: _0 -// Shortcut for . -BigInteger._0 = ZERO; - -// Constant: _1 -// Shortcut for . -BigInteger._1 = ONE; - -/* - Constant: small - Array of from 0 to 36. - - These are used internally for parsing, but useful when you need a "small" - . - - See Also: - - , , <_0>, <_1> -*/ -BigInteger.small = [ - ZERO, - ONE, - /* Assuming BigInteger_base > 36 */ - new BigInteger( [2], 1, CONSTRUCT), - new BigInteger( [3], 1, CONSTRUCT), - new BigInteger( [4], 1, CONSTRUCT), - new BigInteger( [5], 1, CONSTRUCT), - new BigInteger( [6], 1, CONSTRUCT), - new BigInteger( [7], 1, CONSTRUCT), - new BigInteger( [8], 1, CONSTRUCT), - new BigInteger( [9], 1, CONSTRUCT), - new BigInteger([10], 1, CONSTRUCT), - new BigInteger([11], 1, CONSTRUCT), - new BigInteger([12], 1, CONSTRUCT), - new BigInteger([13], 1, CONSTRUCT), - new BigInteger([14], 1, CONSTRUCT), - new BigInteger([15], 1, CONSTRUCT), - new BigInteger([16], 1, CONSTRUCT), - new BigInteger([17], 1, CONSTRUCT), - new BigInteger([18], 1, CONSTRUCT), - new BigInteger([19], 1, CONSTRUCT), - new BigInteger([20], 1, CONSTRUCT), - new BigInteger([21], 1, CONSTRUCT), - new BigInteger([22], 1, CONSTRUCT), - new BigInteger([23], 1, CONSTRUCT), - new BigInteger([24], 1, CONSTRUCT), - new BigInteger([25], 1, CONSTRUCT), - new BigInteger([26], 1, CONSTRUCT), - new BigInteger([27], 1, CONSTRUCT), - new BigInteger([28], 1, CONSTRUCT), - new BigInteger([29], 1, CONSTRUCT), - new BigInteger([30], 1, CONSTRUCT), - new BigInteger([31], 1, CONSTRUCT), - new BigInteger([32], 1, CONSTRUCT), - new BigInteger([33], 1, CONSTRUCT), - new BigInteger([34], 1, CONSTRUCT), - new BigInteger([35], 1, CONSTRUCT), - new BigInteger([36], 1, CONSTRUCT) -]; - -// Used for parsing/radix conversion -BigInteger.digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ".split(""); - -/* - Method: toString - Convert a to a string. - - When *base* is greater than 10, letters are upper case. - - Parameters: - - base - Optional base to represent the number in (default is base 10). - Must be between 2 and 36 inclusive, or an Error will be thrown. - - Returns: - - The string representation of the . -*/ -BigInteger.prototype.toString = function(base) { - base = +base || 10; - if (base < 2 || base > 36) { - throw new Error("illegal radix " + base + "."); - } - if (this._s === 0) { - return "0"; - } - if (base === 10) { - var str = this._s < 0 ? "-" : ""; - str += this._d[this._d.length - 1].toString(); - for (var i = this._d.length - 2; i >= 0; i--) { - var group = this._d[i].toString(); - while (group.length < BigInteger_base_log10) group = '0' + group; - str += group; - } - return str; - } - else { - var numerals = BigInteger.digits; - base = BigInteger.small[base]; - var sign = this._s; - - var n = this.abs(); - var digits = []; - var digit; - - while (n._s !== 0) { - var divmod = n.divRem(base); - n = divmod[0]; - digit = divmod[1]; - // TODO: This could be changed to unshift instead of reversing at the end. - // Benchmark both to compare speeds. - digits.push(numerals[digit.valueOf()]); - } - return (sign < 0 ? "-" : "") + digits.reverse().join(""); - } -}; - -// Verify strings for parsing -BigInteger.radixRegex = [ - /^$/, - /^$/, - /^[01]*$/, - /^[012]*$/, - /^[0-3]*$/, - /^[0-4]*$/, - /^[0-5]*$/, - /^[0-6]*$/, - /^[0-7]*$/, - /^[0-8]*$/, - /^[0-9]*$/, - /^[0-9aA]*$/, - /^[0-9abAB]*$/, - /^[0-9abcABC]*$/, - /^[0-9a-dA-D]*$/, - /^[0-9a-eA-E]*$/, - /^[0-9a-fA-F]*$/, - /^[0-9a-gA-G]*$/, - /^[0-9a-hA-H]*$/, - /^[0-9a-iA-I]*$/, - /^[0-9a-jA-J]*$/, - /^[0-9a-kA-K]*$/, - /^[0-9a-lA-L]*$/, - /^[0-9a-mA-M]*$/, - /^[0-9a-nA-N]*$/, - /^[0-9a-oA-O]*$/, - /^[0-9a-pA-P]*$/, - /^[0-9a-qA-Q]*$/, - /^[0-9a-rA-R]*$/, - /^[0-9a-sA-S]*$/, - /^[0-9a-tA-T]*$/, - /^[0-9a-uA-U]*$/, - /^[0-9a-vA-V]*$/, - /^[0-9a-wA-W]*$/, - /^[0-9a-xA-X]*$/, - /^[0-9a-yA-Y]*$/, - /^[0-9a-zA-Z]*$/ -]; - -/* - Function: parse - Parse a string into a . - - *base* is optional but, if provided, must be from 2 to 36 inclusive. If - *base* is not provided, it will be guessed based on the leading characters - of *s* as follows: - - - "0x" or "0X": *base* = 16 - - "0c" or "0C": *base* = 8 - - "0b" or "0B": *base* = 2 - - else: *base* = 10 - - If no base is provided, or *base* is 10, the number can be in exponential - form. For example, these are all valid: - - > BigInteger.parse("1e9"); // Same as "1000000000" - > BigInteger.parse("1.234*10^3"); // Same as 1234 - > BigInteger.parse("56789 * 10 ** -2"); // Same as 567 - - If any characters fall outside the range defined by the radix, an exception - will be thrown. - - Parameters: - - s - The string to parse. - base - Optional radix (default is to guess based on *s*). - - Returns: - - a instance. -*/ -BigInteger.parse = function(s, base) { - // Expands a number in exponential form to decimal form. - // expandExponential("-13.441*10^5") === "1344100"; - // expandExponential("1.12300e-1") === "0.112300"; - // expandExponential(1000000000000000000000000000000) === "1000000000000000000000000000000"; - function expandExponential(str) { - str = str.replace(/\s*[*xX]\s*10\s*(\^|\*\*)\s*/, "e"); - - return str.replace(/^([+\-])?(\d+)\.?(\d*)[eE]([+\-]?\d+)$/, function(x, s, n, f, c) { - c = +c; - var l = c < 0; - var i = n.length + c; - x = (l ? n : f).length; - c = ((c = Math.abs(c)) >= x ? c - x + l : 0); - var z = (new Array(c + 1)).join("0"); - var r = n + f; - return (s || "") + (l ? r = z + r : r += z).substr(0, i += l ? z.length : 0) + (i < r.length ? "." + r.substr(i) : ""); - }); - } - - s = s.toString(); - if (typeof base === "undefined" || +base === 10) { - s = expandExponential(s); - } - - var prefixRE; - if (typeof base === "undefined") { - prefixRE = '0[xcb]'; - } - else if (base == 16) { - prefixRE = '0x'; - } - else if (base == 8) { - prefixRE = '0c'; - } - else if (base == 2) { - prefixRE = '0b'; - } - else { - prefixRE = ''; - } - var parts = new RegExp('^([+\\-]?)(' + prefixRE + ')?([0-9a-z]*)(?:\\.\\d*)?$', 'i').exec(s); - if (parts) { - var sign = parts[1] || "+"; - var baseSection = parts[2] || ""; - var digits = parts[3] || ""; - - if (typeof base === "undefined") { - // Guess base - if (baseSection === "0x" || baseSection === "0X") { // Hex - base = 16; - } - else if (baseSection === "0c" || baseSection === "0C") { // Octal - base = 8; - } - else if (baseSection === "0b" || baseSection === "0B") { // Binary - base = 2; - } - else { - base = 10; - } - } - else if (base < 2 || base > 36) { - throw new Error("Illegal radix " + base + "."); - } - - base = +base; - - // Check for digits outside the range - if (!(BigInteger.radixRegex[base].test(digits))) { - throw new Error("Bad digit for radix " + base); - } - - // Strip leading zeros, and convert to array - digits = digits.replace(/^0+/, "").split(""); - if (digits.length === 0) { - return ZERO; - } - - // Get the sign (we know it's not zero) - sign = (sign === "-") ? -1 : 1; - - // Optimize 10 - if (base == 10) { - var d = []; - while (digits.length >= BigInteger_base_log10) { - d.push(parseInt(digits.splice(digits.length-BigInteger.base_log10, BigInteger.base_log10).join(''), 10)); - } - d.push(parseInt(digits.join(''), 10)); - return new BigInteger(d, sign, CONSTRUCT); - } - - // Do the conversion - var d = ZERO; - base = BigInteger.small[base]; - var small = BigInteger.small; - for (var i = 0; i < digits.length; i++) { - d = d.multiply(base).add(small[parseInt(digits[i], 36)]); - } - return new BigInteger(d._d, sign, CONSTRUCT); - } - else { - throw new Error("Invalid BigInteger format: " + s); - } -}; - -/* - Function: add - Add two . - - Parameters: - - n - The number to add to *this*. Will be converted to a . - - Returns: - - The numbers added together. - - See Also: - - , , , -*/ -BigInteger.prototype.add = function(n) { - if (this._s === 0) { - return BigInteger(n); - } - - n = BigInteger(n); - if (n._s === 0) { - return this; - } - if (this._s !== n._s) { - n = n.negate(); - return this.subtract(n); - } - - var a = this._d; - var b = n._d; - var al = a.length; - var bl = b.length; - var sum = new Array(Math.max(al, bl) + 1); - var size = Math.min(al, bl); - var carry = 0; - var digit; - - for (var i = 0; i < size; i++) { - digit = a[i] + b[i] + carry; - sum[i] = digit % BigInteger_base; - carry = (digit / BigInteger_base) | 0; - } - if (bl > al) { - a = b; - al = bl; - } - for (i = size; carry && i < al; i++) { - digit = a[i] + carry; - sum[i] = digit % BigInteger_base; - carry = (digit / BigInteger_base) | 0; - } - if (carry) { - sum[i] = carry; - } - - for ( ; i < al; i++) { - sum[i] = a[i]; - } - - return new BigInteger(sum, this._s, CONSTRUCT); -}; - -/* - Function: negate - Get the additive inverse of a . - - Returns: - - A with the same magnatude, but with the opposite sign. - - See Also: - - -*/ -BigInteger.prototype.negate = function() { - return new BigInteger(this._d, (-this._s) | 0, CONSTRUCT); -}; - -/* - Function: abs - Get the absolute value of a . - - Returns: - - A with the same magnatude, but always positive (or zero). - - See Also: - - -*/ -BigInteger.prototype.abs = function() { - return (this._s < 0) ? this.negate() : this; -}; - -/* - Function: subtract - Subtract two . - - Parameters: - - n - The number to subtract from *this*. Will be converted to a . - - Returns: - - The *n* subtracted from *this*. - - See Also: - - , , , -*/ -BigInteger.prototype.subtract = function(n) { - if (this._s === 0) { - return BigInteger(n).negate(); - } - - n = BigInteger(n); - if (n._s === 0) { - return this; - } - if (this._s !== n._s) { - n = n.negate(); - return this.add(n); - } - - var m = this; - // negative - negative => -|a| - -|b| => -|a| + |b| => |b| - |a| - if (this._s < 0) { - m = new BigInteger(n._d, 1, CONSTRUCT); - n = new BigInteger(this._d, 1, CONSTRUCT); - } - - // Both are positive => a - b - var sign = m.compareAbs(n); - if (sign === 0) { - return ZERO; - } - else if (sign < 0) { - // swap m and n - var t = n; - n = m; - m = t; - } - - // a > b - var a = m._d; - var b = n._d; - var al = a.length; - var bl = b.length; - var diff = new Array(al); // al >= bl since a > b - var borrow = 0; - var i; - var digit; - - for (i = 0; i < bl; i++) { - digit = a[i] - borrow - b[i]; - if (digit < 0) { - digit += BigInteger_base; - borrow = 1; - } - else { - borrow = 0; - } - diff[i] = digit; - } - for (i = bl; i < al; i++) { - digit = a[i] - borrow; - if (digit < 0) { - digit += BigInteger_base; - } - else { - diff[i++] = digit; - break; - } - diff[i] = digit; - } - for ( ; i < al; i++) { - diff[i] = a[i]; - } - - return new BigInteger(diff, sign, CONSTRUCT); -}; - -(function() { - function addOne(n, sign) { - var a = n._d; - var sum = a.slice(); - var carry = true; - var i = 0; - - while (true) { - var digit = (a[i] || 0) + 1; - sum[i] = digit % BigInteger_base; - if (digit <= BigInteger_base - 1) { - break; - } - ++i; - } - - return new BigInteger(sum, sign, CONSTRUCT); - } - - function subtractOne(n, sign) { - var a = n._d; - var sum = a.slice(); - var borrow = true; - var i = 0; - - while (true) { - var digit = (a[i] || 0) - 1; - if (digit < 0) { - sum[i] = digit + BigInteger_base; - } - else { - sum[i] = digit; - break; - } - ++i; - } - - return new BigInteger(sum, sign, CONSTRUCT); - } - - /* - Function: next - Get the next (add one). - - Returns: - - *this* + 1. - - See Also: - - , - */ - BigInteger.prototype.next = function() { - switch (this._s) { - case 0: - return ONE; - case -1: - return subtractOne(this, -1); - // case 1: - default: - return addOne(this, 1); - } - }; - - /* - Function: prev - Get the previous (subtract one). - - Returns: - - *this* - 1. - - See Also: - - , - */ - BigInteger.prototype.prev = function() { - switch (this._s) { - case 0: - return M_ONE; - case -1: - return addOne(this, -1); - // case 1: - default: - return subtractOne(this, 1); - } - }; -})(); - -/* - Function: compareAbs - Compare the absolute value of two . - - Calling is faster than calling twice, then . - - Parameters: - - n - The number to compare to *this*. Will be converted to a . - - Returns: - - -1, 0, or +1 if *|this|* is less than, equal to, or greater than *|n|*. - - See Also: - - , -*/ -BigInteger.prototype.compareAbs = function(n) { - if (this === n) { - return 0; - } - - if (!(n instanceof BigInteger)) { - if (!isFinite(n)) { - return(isNaN(n) ? n : -1); - } - n = BigInteger(n); - } - - if (this._s === 0) { - return (n._s !== 0) ? -1 : 0; - } - if (n._s === 0) { - return 1; - } - - var l = this._d.length; - var nl = n._d.length; - if (l < nl) { - return -1; - } - else if (l > nl) { - return 1; - } - - var a = this._d; - var b = n._d; - for (var i = l-1; i >= 0; i--) { - if (a[i] !== b[i]) { - return a[i] < b[i] ? -1 : 1; - } - } - - return 0; -}; - -/* - Function: compare - Compare two . - - Parameters: - - n - The number to compare to *this*. Will be converted to a . - - Returns: - - -1, 0, or +1 if *this* is less than, equal to, or greater than *n*. - - See Also: - - , , , -*/ -BigInteger.prototype.compare = function(n) { - if (this === n) { - return 0; - } - - n = BigInteger(n); - - if (this._s === 0) { - return -n._s; - } - - if (this._s === n._s) { // both positive or both negative - var cmp = this.compareAbs(n); - return cmp * this._s; - } - else { - return this._s; - } -}; - -/* - Function: isUnit - Return true iff *this* is either 1 or -1. - - Returns: - - true if *this* compares equal to or . - - See Also: - - , , , , , - , -*/ -BigInteger.prototype.isUnit = function() { - return this === ONE || - this === M_ONE || - (this._d.length === 1 && this._d[0] === 1); -}; - -/* - Function: multiply - Multiply two . - - Parameters: - - n - The number to multiply *this* by. Will be converted to a - . - - Returns: - - The numbers multiplied together. - - See Also: - - , , , -*/ -BigInteger.prototype.multiply = function(n) { - // TODO: Consider adding Karatsuba multiplication for large numbers - if (this._s === 0) { - return ZERO; - } - - n = BigInteger(n); - if (n._s === 0) { - return ZERO; - } - if (this.isUnit()) { - if (this._s < 0) { - return n.negate(); - } - return n; - } - if (n.isUnit()) { - if (n._s < 0) { - return this.negate(); - } - return this; - } - if (this === n) { - return this.square(); - } - - var r = (this._d.length >= n._d.length); - var a = (r ? this : n)._d; // a will be longer than b - var b = (r ? n : this)._d; - var al = a.length; - var bl = b.length; - - var pl = al + bl; - var partial = new Array(pl); - var i; - for (i = 0; i < pl; i++) { - partial[i] = 0; - } - - for (i = 0; i < bl; i++) { - var carry = 0; - var bi = b[i]; - var jlimit = al + i; - var digit; - for (var j = i; j < jlimit; j++) { - digit = partial[j] + bi * a[j - i] + carry; - carry = (digit / BigInteger_base) | 0; - partial[j] = (digit % BigInteger_base) | 0; - } - if (carry) { - digit = partial[j] + carry; - carry = (digit / BigInteger_base) | 0; - partial[j] = digit % BigInteger_base; - } - } - return new BigInteger(partial, this._s * n._s, CONSTRUCT); -}; - -// Multiply a BigInteger by a single-digit native number -// Assumes that this and n are >= 0 -// This is not really intended to be used outside the library itself -BigInteger.prototype.multiplySingleDigit = function(n) { - if (n === 0 || this._s === 0) { - return ZERO; - } - if (n === 1) { - return this; - } - - var digit; - if (this._d.length === 1) { - digit = this._d[0] * n; - if (digit >= BigInteger_base) { - return new BigInteger([(digit % BigInteger_base)|0, - (digit / BigInteger_base)|0], 1, CONSTRUCT); - } - return new BigInteger([digit], 1, CONSTRUCT); - } - - if (n === 2) { - return this.add(this); - } - if (this.isUnit()) { - return new BigInteger([n], 1, CONSTRUCT); - } - - var a = this._d; - var al = a.length; - - var pl = al + 1; - var partial = new Array(pl); - for (var i = 0; i < pl; i++) { - partial[i] = 0; - } - - var carry = 0; - for (var j = 0; j < al; j++) { - digit = n * a[j] + carry; - carry = (digit / BigInteger_base) | 0; - partial[j] = (digit % BigInteger_base) | 0; - } - if (carry) { - partial[j] = carry; - } - - return new BigInteger(partial, 1, CONSTRUCT); -}; - -/* - Function: square - Multiply a by itself. - - This is slightly faster than regular multiplication, since it removes the - duplicated multiplcations. - - Returns: - - > this.multiply(this) - - See Also: - -*/ -BigInteger.prototype.square = function() { - // Normally, squaring a 10-digit number would take 100 multiplications. - // Of these 10 are unique diagonals, of the remaining 90 (100-10), 45 are repeated. - // This procedure saves (N*(N-1))/2 multiplications, (e.g., 45 of 100 multiplies). - // Based on code by Gary Darby, Intellitech Systems Inc., www.DelphiForFun.org - - if (this._s === 0) { - return ZERO; - } - if (this.isUnit()) { - return ONE; - } - - var digits = this._d; - var length = digits.length; - var imult1 = new Array(length + length + 1); - var product, carry, k; - var i; - - // Calculate diagonal - for (i = 0; i < length; i++) { - k = i * 2; - product = digits[i] * digits[i]; - carry = (product / BigInteger_base) | 0; - imult1[k] = product % BigInteger_base; - imult1[k + 1] = carry; - } - - // Calculate repeating part - for (i = 0; i < length; i++) { - carry = 0; - k = i * 2 + 1; - for (var j = i + 1; j < length; j++, k++) { - product = digits[j] * digits[i] * 2 + imult1[k] + carry; - carry = (product / BigInteger_base) | 0; - imult1[k] = product % BigInteger_base; - } - k = length + i; - var digit = carry + imult1[k]; - carry = (digit / BigInteger_base) | 0; - imult1[k] = digit % BigInteger_base; - imult1[k + 1] += carry; - } - - return new BigInteger(imult1, 1, CONSTRUCT); -}; - -/* - Function: quotient - Divide two and truncate towards zero. - - throws an exception if *n* is zero. - - Parameters: - - n - The number to divide *this* by. Will be converted to a . - - Returns: - - The *this* / *n*, truncated to an integer. - - See Also: - - , , , , -*/ -BigInteger.prototype.quotient = function(n) { - return this.divRem(n)[0]; -}; - -/* - Function: divide - Deprecated synonym for . -*/ -BigInteger.prototype.divide = BigInteger.prototype.quotient; - -/* - Function: remainder - Calculate the remainder of two . - - throws an exception if *n* is zero. - - Parameters: - - n - The remainder after *this* is divided *this* by *n*. Will be - converted to a . - - Returns: - - *this* % *n*. - - See Also: - - , -*/ -BigInteger.prototype.remainder = function(n) { - return this.divRem(n)[1]; -}; - -/* - Function: divRem - Calculate the integer quotient and remainder of two . - - throws an exception if *n* is zero. - - Parameters: - - n - The number to divide *this* by. Will be converted to a . - - Returns: - - A two-element array containing the quotient and the remainder. - - > a.divRem(b) - - is exactly equivalent to - - > [a.quotient(b), a.remainder(b)] - - except it is faster, because they are calculated at the same time. - - See Also: - - , -*/ -BigInteger.prototype.divRem = function(n) { - n = BigInteger(n); - if (n._s === 0) { - throw new Error("Divide by zero"); - } - if (this._s === 0) { - return [ZERO, ZERO]; - } - if (n._d.length === 1) { - return this.divRemSmall(n._s * n._d[0]); - } - - // Test for easy cases -- |n1| <= |n2| - switch (this.compareAbs(n)) { - case 0: // n1 == n2 - return [this._s === n._s ? ONE : M_ONE, ZERO]; - case -1: // |n1| < |n2| - return [ZERO, this]; - } - - var sign = this._s * n._s; - var a = n.abs(); - var b_digits = this._d; - var b_index = b_digits.length; - var digits = n._d.length; - var quot = []; - var guess; - - var part = new BigInteger([], 0, CONSTRUCT); - - while (b_index) { - part._d.unshift(b_digits[--b_index]); - part = new BigInteger(part._d, 1, CONSTRUCT); - - if (part.compareAbs(n) < 0) { - quot.push(0); - continue; - } - if (part._s === 0) { - guess = 0; - } - else { - var xlen = part._d.length, ylen = a._d.length; - var highx = part._d[xlen-1]*BigInteger_base + part._d[xlen-2]; - var highy = a._d[ylen-1]*BigInteger_base + a._d[ylen-2]; - if (part._d.length > a._d.length) { - // The length of part._d can either match a._d length, - // or exceed it by one. - highx = (highx+1)*BigInteger_base; - } - guess = Math.ceil(highx/highy); - } - do { - var check = a.multiplySingleDigit(guess); - if (check.compareAbs(part) <= 0) { - break; - } - guess--; - } while (guess); - - quot.push(guess); - if (!guess) { - continue; - } - var diff = part.subtract(check); - part._d = diff._d.slice(); - } - - return [new BigInteger(quot.reverse(), sign, CONSTRUCT), - new BigInteger(part._d, this._s, CONSTRUCT)]; -}; - -// Throws an exception if n is outside of (-BigInteger.base, -1] or -// [1, BigInteger.base). It's not necessary to call this, since the -// other division functions will call it if they are able to. -BigInteger.prototype.divRemSmall = function(n) { - var r; - n = +n; - if (n === 0) { - throw new Error("Divide by zero"); - } - - var n_s = n < 0 ? -1 : 1; - var sign = this._s * n_s; - n = Math.abs(n); - - if (n < 1 || n >= BigInteger_base) { - throw new Error("Argument out of range"); - } - - if (this._s === 0) { - return [ZERO, ZERO]; - } - - if (n === 1 || n === -1) { - return [(sign === 1) ? this.abs() : new BigInteger(this._d, sign, CONSTRUCT), ZERO]; - } - - // 2 <= n < BigInteger_base - - // divide a single digit by a single digit - if (this._d.length === 1) { - var q = new BigInteger([(this._d[0] / n) | 0], 1, CONSTRUCT); - r = new BigInteger([(this._d[0] % n) | 0], 1, CONSTRUCT); - if (sign < 0) { - q = q.negate(); - } - if (this._s < 0) { - r = r.negate(); - } - return [q, r]; - } - - var digits = this._d.slice(); - var quot = new Array(digits.length); - var part = 0; - var diff = 0; - var i = 0; - var guess; - - while (digits.length) { - part = part * BigInteger_base + digits[digits.length - 1]; - if (part < n) { - quot[i++] = 0; - digits.pop(); - diff = BigInteger_base * diff + part; - continue; - } - if (part === 0) { - guess = 0; - } - else { - guess = (part / n) | 0; - } - - var check = n * guess; - diff = part - check; - quot[i++] = guess; - if (!guess) { - digits.pop(); - continue; - } - - digits.pop(); - part = diff; - } - - r = new BigInteger([diff], 1, CONSTRUCT); - if (this._s < 0) { - r = r.negate(); - } - return [new BigInteger(quot.reverse(), sign, CONSTRUCT), r]; -}; - -/* - Function: isEven - Return true iff *this* is divisible by two. - - Note that is even. - - Returns: - - true if *this* is even, false otherwise. - - See Also: - - -*/ -BigInteger.prototype.isEven = function() { - var digits = this._d; - return this._s === 0 || digits.length === 0 || (digits[0] % 2) === 0; -}; - -/* - Function: isOdd - Return true iff *this* is not divisible by two. - - Returns: - - true if *this* is odd, false otherwise. - - See Also: - - -*/ -BigInteger.prototype.isOdd = function() { - return !this.isEven(); -}; - -/* - Function: sign - Get the sign of a . - - Returns: - - * -1 if *this* < 0 - * 0 if *this* == 0 - * +1 if *this* > 0 - - See Also: - - , , , , -*/ -BigInteger.prototype.sign = function() { - return this._s; -}; - -/* - Function: isPositive - Return true iff *this* > 0. - - Returns: - - true if *this*.compare() == 1. - - See Also: - - , , , , , -*/ -BigInteger.prototype.isPositive = function() { - return this._s > 0; -}; - -/* - Function: isNegative - Return true iff *this* < 0. - - Returns: - - true if *this*.compare() == -1. - - See Also: - - , , , , , -*/ -BigInteger.prototype.isNegative = function() { - return this._s < 0; -}; - -/* - Function: isZero - Return true iff *this* == 0. - - Returns: - - true if *this*.compare() == 0. - - See Also: - - , , , , -*/ -BigInteger.prototype.isZero = function() { - return this._s === 0; -}; - -/* - Function: exp10 - Multiply a by a power of 10. - - This is equivalent to, but faster than - - > if (n >= 0) { - > return this.multiply(BigInteger("1e" + n)); - > } - > else { // n <= 0 - > return this.quotient(BigInteger("1e" + -n)); - > } - - Parameters: - - n - The power of 10 to multiply *this* by. *n* is converted to a - javascipt number and must be no greater than - (0x7FFFFFFF), or an exception will be thrown. - - Returns: - - *this* * (10 ** *n*), truncated to an integer if necessary. - - See Also: - - , -*/ -BigInteger.prototype.exp10 = function(n) { - n = +n; - if (n === 0) { - return this; - } - if (Math.abs(n) > Number(MAX_EXP)) { - throw new Error("exponent too large in BigInteger.exp10"); - } - // Optimization for this == 0. This also keeps us from having to trim zeros in the positive n case - if (this._s === 0) { - return ZERO; - } - if (n > 0) { - var k = new BigInteger(this._d.slice(), this._s, CONSTRUCT); - - for (; n >= BigInteger_base_log10; n -= BigInteger_base_log10) { - k._d.unshift(0); - } - if (n == 0) - return k; - k._s = 1; - k = k.multiplySingleDigit(Math.pow(10, n)); - return (this._s < 0 ? k.negate() : k); - } else if (-n >= this._d.length*BigInteger_base_log10) { - return ZERO; - } else { - var k = new BigInteger(this._d.slice(), this._s, CONSTRUCT); - - for (n = -n; n >= BigInteger_base_log10; n -= BigInteger_base_log10) { - k._d.shift(); - } - return (n == 0) ? k : k.divRemSmall(Math.pow(10, n))[0]; - } -}; - -/* - Function: pow - Raise a to a power. - - In this implementation, 0**0 is 1. - - Parameters: - - n - The exponent to raise *this* by. *n* must be no greater than - (0x7FFFFFFF), or an exception will be thrown. - - Returns: - - *this* raised to the *nth* power. - - See Also: - - -*/ -BigInteger.prototype.pow = function(n) { - if (this.isUnit()) { - if (this._s > 0) { - return this; - } - else { - return BigInteger(n).isOdd() ? this : this.negate(); - } - } - - n = BigInteger(n); - if (n._s === 0) { - return ONE; - } - else if (n._s < 0) { - if (this._s === 0) { - throw new Error("Divide by zero"); - } - else { - return ZERO; - } - } - if (this._s === 0) { - return ZERO; - } - if (n.isUnit()) { - return this; - } - - if (n.compareAbs(MAX_EXP) > 0) { - throw new Error("exponent too large in BigInteger.pow"); - } - var x = this; - var aux = ONE; - var two = BigInteger.small[2]; - - while (n.isPositive()) { - if (n.isOdd()) { - aux = aux.multiply(x); - if (n.isUnit()) { - return aux; - } - } - x = x.square(); - n = n.quotient(two); - } - - return aux; -}; - -/* - Function: modPow - Raise a to a power (mod m). - - Because it is reduced by a modulus, is not limited by - like . - - Parameters: - - exponent - The exponent to raise *this* by. Must be positive. - modulus - The modulus. - - Returns: - - *this* ^ *exponent* (mod *modulus*). - - See Also: - - , -*/ -BigInteger.prototype.modPow = function(exponent, modulus) { - var result = ONE; - var base = this; - - while (exponent.isPositive()) { - if (exponent.isOdd()) { - result = result.multiply(base).remainder(modulus); - } - - exponent = exponent.quotient(BigInteger.small[2]); - if (exponent.isPositive()) { - base = base.square().remainder(modulus); - } - } - - return result; -}; - -/* - Function: log - Get the natural logarithm of a as a native JavaScript number. - - This is equivalent to - - > Math.log(this.toJSValue()) - - but handles values outside of the native number range. - - Returns: - - log( *this* ) - - See Also: - - -*/ -BigInteger.prototype.log = function() { - switch (this._s) { - case 0: return -Infinity; - case -1: return NaN; - default: // Fall through. - } - - var l = this._d.length; - - if (l*BigInteger_base_log10 < 30) { - return Math.log(this.valueOf()); - } - - var N = Math.ceil(30/BigInteger_base_log10); - var firstNdigits = this._d.slice(l - N); - return Math.log((new BigInteger(firstNdigits, 1, CONSTRUCT)).valueOf()) + (l - N) * Math.log(BigInteger_base); -}; - -/* - Function: valueOf - Convert a to a native JavaScript integer. - - This is called automatically by JavaScipt to convert a to a - native value. - - Returns: - - > parseInt(this.toString(), 10) - - See Also: - - , -*/ -BigInteger.prototype.valueOf = function() { - return parseInt(this.toString(), 10); -}; - -/* - Function: toJSValue - Convert a to a native JavaScript integer. - - This is the same as valueOf, but more explicitly named. - - Returns: - - > parseInt(this.toString(), 10) - - See Also: - - , -*/ -BigInteger.prototype.toJSValue = function() { - return parseInt(this.toString(), 10); -}; - - -/* - Function: lowVal - Author: Lucas Jones - */ -BigInteger.prototype.lowVal = function () { - return this._d[0] || 0; -}; - -var MAX_EXP = BigInteger(0x7FFFFFFF); -// Constant: MAX_EXP -// The largest exponent allowed in and (0x7FFFFFFF or 2147483647). -BigInteger.MAX_EXP = MAX_EXP; - -(function() { - function makeUnary(fn) { - return function(a) { - return fn.call(BigInteger(a)); - }; - } - - function makeBinary(fn) { - return function(a, b) { - return fn.call(BigInteger(a), BigInteger(b)); - }; - } - - function makeTrinary(fn) { - return function(a, b, c) { - return fn.call(BigInteger(a), BigInteger(b), BigInteger(c)); - }; - } - - (function() { - var i, fn; - var unary = "toJSValue,isEven,isOdd,sign,isZero,isNegative,abs,isUnit,square,negate,isPositive,toString,next,prev,log".split(","); - var binary = "compare,remainder,divRem,subtract,add,quotient,divide,multiply,pow,compareAbs".split(","); - var trinary = ["modPow"]; - - for (i = 0; i < unary.length; i++) { - fn = unary[i]; - BigInteger[fn] = makeUnary(BigInteger.prototype[fn]); - } - - for (i = 0; i < binary.length; i++) { - fn = binary[i]; - BigInteger[fn] = makeBinary(BigInteger.prototype[fn]); - } - - for (i = 0; i < trinary.length; i++) { - fn = trinary[i]; - BigInteger[fn] = makeTrinary(BigInteger.prototype[fn]); - } - - BigInteger.exp10 = function(x, n) { - return BigInteger(x).exp10(n); - }; - })(); -})(); - -exports.JSBigInt = BigInteger; // exports.BigInteger changed to exports.JSBigInt -})(typeof exports !== 'undefined' ? exports : this); diff --git a/src/templates/js/cn_util.js b/src/templates/js/cn_util.js deleted file mode 100755 index 91f5c4c..0000000 --- a/src/templates/js/cn_util.js +++ /dev/null @@ -1,2219 +0,0 @@ -// Copyright (c) 2014-2017, MyMonero.com -// -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or without modification, are -// permitted provided that the following conditions are met: -// -// 1. Redistributions of source code must retain the above copyright notice, this list of -// conditions and the following disclaimer. -// -// 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 -// materials provided with the distribution. -// -// 3. Neither the name of the copyright holder nor the names of its contributors may be -// used to endorse or promote products derived from this software without specific -// prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY -// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, -// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// Original Author: Lucas Jones -// Modified to remove jQuery dep and support modular inclusion of deps by Paul Shapiro (2016) -// Modified by luigi1111 2017 - -var cnUtil = (function(initConfig) { - - var config = {};// shallow copy of initConfig - - for (var key in initConfig) { - config[key] = initConfig[key]; - } - - config.coinUnits = new JSBigInt(10).pow(config.coinUnitPlaces); - - var HASH_STATE_BYTES = 200; - var HASH_SIZE = 32; - var ADDRESS_CHECKSUM_SIZE = 4; - var INTEGRATED_ID_SIZE = 8; - var ENCRYPTED_PAYMENT_ID_TAIL = 141; - var CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX = config.addressPrefix; - var CRYPTONOTE_PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX = config.integratedAddressPrefix; - var CRYPTONOTE_PUBLIC_SUBADDRESS_BASE58_PREFIX = config.subAddressPrefix; - - if (config.testnet === true) - { - CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX = config.addressPrefixTestnet; - CRYPTONOTE_PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX = config.integratedAddressPrefixTestnet; - CRYPTONOTE_PUBLIC_SUBADDRESS_BASE58_PREFIX = config.subAddressPrefixTestnet; - } - - if (config.stagenet === true) - { - CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX = config.addressPrefixStagenet; - CRYPTONOTE_PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX = config.integratedAddressPrefixStagenet; - CRYPTONOTE_PUBLIC_SUBADDRESS_BASE58_PREFIX = config.subAddressPrefixStagenet; - } - - var UINT64_MAX = new JSBigInt(2).pow(64); - var CURRENT_TX_VERSION = 2; - var OLD_TX_VERSION = 1; - var RCTTypeFull = 1; - var RCTTypeSimple = 2; - var TX_EXTRA_NONCE_MAX_COUNT = 255; - var TX_EXTRA_TAGS = { - PADDING: '00', - PUBKEY: '01', - NONCE: '02', - MERGE_MINING: '03' - }; - var TX_EXTRA_NONCE_TAGS = { - PAYMENT_ID: '00', - ENCRYPTED_PAYMENT_ID: '01' - }; - var KEY_SIZE = 32; - var STRUCT_SIZES = { - GE_P3: 160, - GE_P2: 120, - GE_P1P1: 160, - GE_CACHED: 160, - EC_SCALAR: 32, - EC_POINT: 32, - KEY_IMAGE: 32, - GE_DSMP: 160 * 8, // ge_cached * 8 - SIGNATURE: 64 // ec_scalar * 2 - }; - - //RCT vars - var H = "8b655970153799af2aeadc9ff1add0ea6c7251d54154cfa92c173a0dd39c1f94"; //base H for amounts - var l = JSBigInt("7237005577332262213973186563042994240857116359379907606001950938285454250989"); //curve order (not RCT specific) - var I = "0100000000000000000000000000000000000000000000000000000000000000"; //identity element - var Z = "0000000000000000000000000000000000000000000000000000000000000000"; //zero scalar - //H2 object to speed up some operations - var H2 = ["8b655970153799af2aeadc9ff1add0ea6c7251d54154cfa92c173a0dd39c1f94", "8faa448ae4b3e2bb3d4d130909f55fcd79711c1c83cdbccadd42cbe1515e8712", - "12a7d62c7791654a57f3e67694ed50b49a7d9e3fc1e4c7a0bde29d187e9cc71d", "789ab9934b49c4f9e6785c6d57a498b3ead443f04f13df110c5427b4f214c739", - "771e9299d94f02ac72e38e44de568ac1dcb2edc6edb61f83ca418e1077ce3de8", "73b96db43039819bdaf5680e5c32d741488884d18d93866d4074a849182a8a64", - "8d458e1c2f68ebebccd2fd5d379f5e58f8134df3e0e88cad3d46701063a8d412", "09551edbe494418e81284455d64b35ee8ac093068a5f161fa6637559177ef404", - "d05a8866f4df8cee1e268b1d23a4c58c92e760309786cdac0feda1d247a9c9a7", "55cdaad518bd871dd1eb7bc7023e1dc0fdf3339864f88fdd2de269fe9ee1832d", - "e7697e951a98cfd5712b84bbe5f34ed733e9473fcb68eda66e3788df1958c306", "f92a970bae72782989bfc83adfaa92a4f49c7e95918b3bba3cdc7fe88acc8d47", - "1f66c2d491d75af915c8db6a6d1cb0cd4f7ddcd5e63d3ba9b83c866c39ef3a2b", "3eec9884b43f58e93ef8deea260004efea2a46344fc5965b1a7dd5d18997efa7", - "b29f8f0ccb96977fe777d489d6be9e7ebc19c409b5103568f277611d7ea84894", "56b1f51265b9559876d58d249d0c146d69a103636699874d3f90473550fe3f2c", - "1d7a36575e22f5d139ff9cc510fa138505576b63815a94e4b012bfd457caaada", "d0ac507a864ecd0593fa67be7d23134392d00e4007e2534878d9b242e10d7620", - "f6c6840b9cf145bb2dccf86e940be0fc098e32e31099d56f7fe087bd5deb5094", "28831a3340070eb1db87c12e05980d5f33e9ef90f83a4817c9f4a0a33227e197", - "87632273d629ccb7e1ed1a768fa2ebd51760f32e1c0b867a5d368d5271055c6e", "5c7b29424347964d04275517c5ae14b6b5ea2798b573fc94e6e44a5321600cfb", - "e6945042d78bc2c3bd6ec58c511a9fe859c0ad63fde494f5039e0e8232612bd5", "36d56907e2ec745db6e54f0b2e1b2300abcb422e712da588a40d3f1ebbbe02f6", - "34db6ee4d0608e5f783650495a3b2f5273c5134e5284e4fdf96627bb16e31e6b", "8e7659fb45a3787d674ae86731faa2538ec0fdf442ab26e9c791fada089467e9", - "3006cf198b24f31bb4c7e6346000abc701e827cfbb5df52dcfa42e9ca9ff0802", "f5fd403cb6e8be21472e377ffd805a8c6083ea4803b8485389cc3ebc215f002a", - "3731b260eb3f9482e45f1c3f3b9dcf834b75e6eef8c40f461ea27e8b6ed9473d", "9f9dab09c3f5e42855c2de971b659328a2dbc454845f396ffc053f0bb192f8c3", - "5e055d25f85fdb98f273e4afe08464c003b70f1ef0677bb5e25706400be620a5", "868bcf3679cb6b500b94418c0b8925f9865530303ae4e4b262591865666a4590", - "b3db6bd3897afbd1df3f9644ab21c8050e1f0038a52f7ca95ac0c3de7558cb7a", "8119b3a059ff2cac483e69bcd41d6d27149447914288bbeaee3413e6dcc6d1eb", - "10fc58f35fc7fe7ae875524bb5850003005b7f978c0c65e2a965464b6d00819c", "5acd94eb3c578379c1ea58a343ec4fcff962776fe35521e475a0e06d887b2db9", - "33daf3a214d6e0d42d2300a7b44b39290db8989b427974cd865db011055a2901", "cfc6572f29afd164a494e64e6f1aeb820c3e7da355144e5124a391d06e9f95ea", - "d5312a4b0ef615a331f6352c2ed21dac9e7c36398b939aec901c257f6cbc9e8e", "551d67fefc7b5b9f9fdbf6af57c96c8a74d7e45a002078a7b5ba45c6fde93e33", - "d50ac7bd5ca593c656928f38428017fc7ba502854c43d8414950e96ecb405dc3", "0773e18ea1be44fe1a97e239573cfae3e4e95ef9aa9faabeac1274d3ad261604", - "e9af0e7ca89330d2b8615d1b4137ca617e21297f2f0ded8e31b7d2ead8714660", "7b124583097f1029a0c74191fe7378c9105acc706695ed1493bb76034226a57b", - "ec40057b995476650b3db98e9db75738a8cd2f94d863b906150c56aac19caa6b", "01d9ff729efd39d83784c0fe59c4ae81a67034cb53c943fb818b9d8ae7fc33e5", - "00dfb3c696328c76424519a7befe8e0f6c76f947b52767916d24823f735baf2e", "461b799b4d9ceea8d580dcb76d11150d535e1639d16003c3fb7e9d1fd13083a8", - "ee03039479e5228fdc551cbde7079d3412ea186a517ccc63e46e9fcce4fe3a6c", "a8cfb543524e7f02b9f045acd543c21c373b4c9b98ac20cec417a6ddb5744e94", - "932b794bf89c6edaf5d0650c7c4bad9242b25626e37ead5aa75ec8c64e09dd4f", "16b10c779ce5cfef59c7710d2e68441ea6facb68e9b5f7d533ae0bb78e28bf57", - "0f77c76743e7396f9910139f4937d837ae54e21038ac5c0b3fd6ef171a28a7e4", "d7e574b7b952f293e80dde905eb509373f3f6cd109a02208b3c1e924080a20ca", - "45666f8c381e3da675563ff8ba23f83bfac30c34abdde6e5c0975ef9fd700cb9", "b24612e454607eb1aba447f816d1a4551ef95fa7247fb7c1f503020a7177f0dd", - "7e208861856da42c8bb46a7567f8121362d9fb2496f131a4aa9017cf366cdfce", "5b646bff6ad1100165037a055601ea02358c0f41050f9dfe3c95dccbd3087be0", - "746d1dccfed2f0ff1e13c51e2d50d5324375fbd5bf7ca82a8931828d801d43ab", "cb98110d4a6bb97d22feadbc6c0d8930c5f8fc508b2fc5b35328d26b88db19ae", - "60b626a033b55f27d7676c4095eababc7a2c7ede2624b472e97f64f96b8cfc0e", "e5b52bc927468df71893eb8197ef820cf76cb0aaf6e8e4fe93ad62d803983104", - "056541ae5da9961be2b0a5e895e5c5ba153cbb62dd561a427bad0ffd41923199", "f8fef05a3fa5c9f3eba41638b247b711a99f960fe73aa2f90136aeb20329b888"]; - - //begin rct new functions - //creates a Pedersen commitment from an amount (in scalar form) and a mask - //C = bG + aH where b = mask, a = amount - function commit(amount, mask){ - if (!valid_hex(mask) || mask.length !== 64 || !valid_hex(amount) || amount.length !== 64){ - throw "invalid amount or mask!"; - } - var C = this.ge_double_scalarmult_base_vartime(amount, H, mask); - return C; - } - - function zeroCommit(amount){ - if (!valid_hex(amount) || amount.length !== 64){ - throw "invalid amount!"; - } - var C = this.ge_double_scalarmult_base_vartime(amount, H, I); - return C; - } - - this.decode_rct_ecdh = function(ecdh, key) { - var first = this.hash_to_scalar(key); - var second = this.hash_to_scalar(first); - return { - "mask": this.sc_sub(ecdh.mask, first), - "amount": this.sc_sub(ecdh.amount, second) - }; - }; - - this.encode_rct_ecdh = function(ecdh, key) { - var first = this.hash_to_scalar(key); - var second = this.hash_to_scalar(first); - return { - "mask": this.sc_add(ecdh.mask, first), - "amount": this.sc_add(ecdh.amount, second) - }; - }; - - //switch byte order for hex string - function swapEndian(hex){ - if (hex.length % 2 !== 0){return "length must be a multiple of 2!";} - var data = ""; - for (var i=1; i <= hex.length / 2; i++){ - data += hex.substr(0 - 2 * i, 2); - } - return data; - } - - //switch byte order charwise - function swapEndianC(string){ - var data = ""; - for (var i=1; i <= string.length; i++){ - data += string.substr(0 - i, 1); - } - return data; - } - - //for most uses you'll also want to swapEndian after conversion - //mainly to convert integer "scalars" to usable hexadecimal strings - function d2h(integer){ - if (typeof integer !== "string" && integer.toString().length > 15){throw "integer should be entered as a string for precision";} - var padding = ""; - for (i = 0; i < 63; i++){ - padding += "0"; - } - return (padding + JSBigInt(integer).toString(16).toLowerCase()).slice(-64); - } - - //integer (string) to scalar - function d2s(integer){ - return swapEndian(d2h(integer)); - } - - //scalar to integer (string) - function s2d(scalar){ - return JSBigInt.parse(swapEndian(scalar), 16).toString(); - } - - //convert integer string to 64bit "binary" little-endian string - function d2b(integer){ - if (typeof integer !== "string" && integer.toString().length > 15){throw "integer should be entered as a string for precision";} - var padding = ""; - for (i = 0; i < 63; i++){ - padding += "0"; - } - var a = new JSBigInt(integer); - if (a.toString(2).length > 64){throw "amount overflows uint64!";} - return swapEndianC((padding + a.toString(2)).slice(-64)); - } - - //convert integer string to 64bit base 4 little-endian string - function d2b4(integer){ - if (typeof integer !== "string" && integer.toString().length > 15){throw "integer should be entered as a string for precision";} - var padding = ""; - for (i = 0; i < 31; i++){ - padding += "0"; - } - var a = new JSBigInt(integer); - if (a.toString(2).length > 64){throw "amount overflows uint64!";} - return swapEndianC((padding + a.toString(4)).slice(-32)); - } - //end rct new functions - - this.valid_hex = function(hex) { - var exp = new RegExp("[0-9a-fA-F]{" + hex.length + "}"); - return exp.test(hex); - }; - - //simple exclusive or function for two hex inputs - this.hex_xor = function(hex1, hex2) { - if (!hex1 || !hex2 || hex1.length !== hex2.length || hex1.length % 2 !== 0 || hex2.length % 2 !== 0){throw "Hex string(s) is/are invalid!";} - var bin1 = hextobin(hex1); - var bin2 = hextobin(hex2); - var xor = new Uint8Array(bin1.length); - for (i = 0; i < xor.length; i++){ - xor[i] = bin1[i] ^ bin2[i]; - } - return bintohex(xor); - }; - - function hextobin(hex) { - if (hex.length % 2 !== 0) throw "Hex string has invalid length!"; - var res = new Uint8Array(hex.length / 2); - for (var i = 0; i < hex.length / 2; ++i) { - res[i] = parseInt(hex.slice(i * 2, i * 2 + 2), 16); - } - return res; - } - - function bintohex(bin) { - var out = []; - for (var i = 0; i < bin.length; ++i) { - out.push(("0" + bin[i].toString(16)).slice(-2)); - } - return out.join(""); - } - - // Generate a 256-bit crypto random - this.rand_32 = function() { - return mn_random(256); - }; - - // Generate a 128-bit crypto random - this.rand_16 = function() { - return mn_random(128); - }; - - // Generate a 64-bit crypto random - this.rand_8 = function() { - return mn_random(64); - }; - - this.encode_varint = function(i) { - i = new JSBigInt(i); - var out = ''; - // While i >= b10000000 - while (i.compare(0x80) >= 0) { - // out.append i & b01111111 | b10000000 - out += ("0" + ((i.lowVal() & 0x7f) | 0x80).toString(16)).slice(-2); - i = i.divide(new JSBigInt(2).pow(7)); - } - out += ("0" + i.toJSValue().toString(16)).slice(-2); - return out; - }; - - this.sc_reduce = function(hex) { - var input = hextobin(hex); - if (input.length !== 64) { - throw "sc_reduce: Invalid hextobin(hex) input length"; - } - var mem = Module._malloc(64); - Module.HEAPU8.set(input, mem); - Module.ccall('sc_reduce', 'void', ['number'], [mem]); - var output = Module.HEAPU8.subarray(mem, mem + 64); - Module._free(mem); - return bintohex(output); - }; - - this.sc_reduce32 = function(hex) { - var input = hextobin(hex); - if (input.length !== 32) { - throw "sc_reduce32: Invalid hextobin(hex) input length"; - } - var mem = Module._malloc(32); - Module.HEAPU8.set(input, mem); - Module.ccall('sc_reduce32', 'void', ['number'], [mem]); - var output = Module.HEAPU8.subarray(mem, mem + 32); - Module._free(mem); - return bintohex(output); - }; - - this.cn_fast_hash = function(input, inlen) { - /*if (inlen === undefined || !inlen) { - inlen = Math.floor(input.length / 2); - }*/ - if (input.length % 2 !== 0 || !this.valid_hex(input)) { - throw "cn_fast_hash: Input invalid"; - } - //update to use new keccak impl (approx 45x faster) - //var state = this.keccak(input, inlen, HASH_STATE_BYTES); - //return state.substr(0, HASH_SIZE * 2); - return keccak_256(hextobin(input)); - }; - - //many functions below are commented out now, and duplicated with the faster nacl impl --luigi1111 - // to be removed completely later - /*this.sec_key_to_pub = function(sec) { - var input = hextobin(sec); - if (input.length !== 32) { - throw "Invalid input length"; - } - var input_mem = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(input, input_mem); - var ge_p3 = Module._malloc(STRUCT_SIZES.GE_P3); - var out_mem = Module._malloc(KEY_SIZE); - Module.ccall('ge_scalarmult_base', 'void', ['number', 'number'], [ge_p3, input_mem]); - Module.ccall('ge_p3_tobytes', 'void', ['number', 'number'], [out_mem, ge_p3]); - var output = Module.HEAPU8.subarray(out_mem, out_mem + KEY_SIZE); - Module._free(ge_p3); - Module._free(input_mem); - Module._free(out_mem); - return bintohex(output); - };*/ - - this.sec_key_to_pub = function(sec) { - if (sec.length !== 64) { - throw "sec_key_to_pub: Invalid sec length"; - } - return bintohex(nacl.ll.ge_scalarmult_base(hextobin(sec))); - }; - - //alias - this.ge_scalarmult_base = function(sec) { - return this.sec_key_to_pub(sec); - }; - - //accepts arbitrary point, rather than G - /*this.ge_scalarmult = function(pub, sec) { - if (pub.length !== 64 || sec.length !== 64) { - throw "Invalid input length"; - } - var pub_b = hextobin(pub); - var sec_b = hextobin(sec); - var pub_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(pub_b, pub_m); - var sec_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(sec_b, sec_m); - var ge_p3_m = Module._malloc(STRUCT_SIZES.GE_P3); - var ge_p2_m = Module._malloc(STRUCT_SIZES.GE_P2); - if (Module.ccall("ge_frombytes_vartime", "bool", ["number", "number"], [ge_p3_m, pub_m]) !== 0) { - throw "ge_frombytes_vartime returned non-zero error code"; - } - Module.ccall("ge_scalarmult", "void", ["number", "number", "number"], [ge_p2_m, sec_m, ge_p3_m]); - var derivation_m = Module._malloc(KEY_SIZE); - Module.ccall("ge_tobytes", "void", ["number", "number"], [derivation_m, ge_p2_m]); - var res = Module.HEAPU8.subarray(derivation_m, derivation_m + KEY_SIZE); - Module._free(pub_m); - Module._free(sec_m); - Module._free(ge_p3_m); - Module._free(ge_p2_m); - Module._free(derivation_m); - return bintohex(res); - };*/ - this.ge_scalarmult = function(pub, sec) { - if (pub.length !== 64 || sec.length !== 64) { - throw "ge_scalarmult: Invalid pub or sec input lengths"; - } - return bintohex(nacl.ll.ge_scalarmult(hextobin(pub), hextobin(sec))); - }; - - this.pubkeys_to_string = function(spend, view) { - var prefix = this.encode_varint(CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX); - var data = prefix + spend + view; - var checksum = this.cn_fast_hash(data); - return cnBase58.encode(data + checksum.slice(0, ADDRESS_CHECKSUM_SIZE * 2)); - }; - - this.get_account_integrated_address = function(address, payment_id8) { - var decoded_address = decode_address(address); - - var prefix = this.encode_varint(CRYPTONOTE_PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX); - var data = prefix + decoded_address.spend + decoded_address.view + payment_id8; - - var checksum = this.cn_fast_hash(data); - - return cnBase58.encode(data + checksum.slice(0, ADDRESS_CHECKSUM_SIZE * 2)); - }; - - - this.decrypt_payment_id = function(payment_id8, tx_public_key, acc_prv_view_key) { - if (payment_id8.length !== 16) throw "decrypt_payment_id: Invalid payment_id8 length!"; - - var key_derivation = this.generate_key_derivation(tx_public_key, acc_prv_view_key); - - var pid_key = this.cn_fast_hash(key_derivation + ENCRYPTED_PAYMENT_ID_TAIL.toString(16)).slice(0, INTEGRATED_ID_SIZE * 2); - - var decrypted_payment_id = this.hex_xor(payment_id8, pid_key); - - return decrypted_payment_id; - } - - // Generate keypair from seed - this.generate_keys_old = function(seed) { - if (seed.length !== 64) throw "Invalid input length!"; - var sec = this.sc_reduce32(seed); - var pub = this.sec_key_to_pub(sec); - return { - 'sec': sec, - 'pub': pub - }; - }; - - // Generate keypair from seed 2 - // as in simplewallet - this.generate_keys = function(seed) { - if (seed.length !== 64) throw "generate_keys: Invalid seed input length!"; - var sec = this.sc_reduce32(seed); - var pub = this.sec_key_to_pub(sec); - return { - 'sec': sec, - 'pub': pub - }; - }; - - this.random_keypair = function() { - return this.generate_keys(this.rand_32()); - }; - - // Random 32-byte ec scalar - this.random_scalar = function() { - //var rand = this.sc_reduce(mn_random(64 * 8)); - //return rand.slice(0, STRUCT_SIZES.EC_SCALAR * 2); - return this.sc_reduce32(this.rand_32()); - }; - - /* no longer used - this.keccak = function(hex, inlen, outlen) { - var input = hextobin(hex); - if (input.length !== inlen) { - throw "Invalid input length"; - } - if (outlen <= 0) { - throw "Invalid output length"; - } - var input_mem = Module._malloc(inlen); - Module.HEAPU8.set(input, input_mem); - var out_mem = Module._malloc(outlen); - Module._keccak(input_mem, inlen | 0, out_mem, outlen | 0); - var output = Module.HEAPU8.subarray(out_mem, out_mem + outlen); - Module._free(input_mem); - Module._free(out_mem); - return bintohex(output); - };*/ - - - this.create_address = function(seed) { - var keys = {}; - var first; - if (seed.length !== 64) { - first = this.cn_fast_hash(seed); - } else { - first = seed; //only input reduced seeds or this will not give you the result you want - } - - keys.spend = this.generate_keys(first); - if (seed.length !== 64) { - var second = this.cn_fast_hash(first); - } else { - var second = this.cn_fast_hash(keys.spend.sec); - } - - keys.view = this.generate_keys(second); - keys.public_addr = this.pubkeys_to_string(keys.spend.pub, keys.view.pub); - return keys; - }; - - - this.create_addr_prefix = function(seed) { - var first; - if (seed.length !== 64) { - first = this.cn_fast_hash(seed); - } else { - first = seed; - } - var spend = this.generate_keys(first); - var prefix = this.encode_varint(CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX); - return cnBase58.encode(prefix + spend.pub).slice(0, 44); - }; - - this.is_subaddress = function(address) { - var dec = cnBase58.decode(address); - var expectedPrefixSub = this.encode_varint(CRYPTONOTE_PUBLIC_SUBADDRESS_BASE58_PREFIX); - var prefix = dec.slice(0, expectedPrefixSub.length); - return (prefix === expectedPrefixSub); - } - - this.decode_address = function(address) { - var dec = cnBase58.decode(address); - var expectedPrefix = this.encode_varint(CRYPTONOTE_PUBLIC_ADDRESS_BASE58_PREFIX); - var expectedPrefixInt = this.encode_varint(CRYPTONOTE_PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX); - var expectedPrefixSub = this.encode_varint(CRYPTONOTE_PUBLIC_SUBADDRESS_BASE58_PREFIX); - var prefix = dec.slice(0, expectedPrefix.length); - if (prefix !== expectedPrefix && prefix !== expectedPrefixInt && prefix !== expectedPrefixSub) { - throw "Invalid address prefix"; - } - dec = dec.slice(expectedPrefix.length); - var spend = dec.slice(0, 64); - var view = dec.slice(64, 128); - if (prefix === expectedPrefixInt){ - var intPaymentId = dec.slice(128, 128 + (INTEGRATED_ID_SIZE * 2)); - var checksum = dec.slice(128 + (INTEGRATED_ID_SIZE * 2), 128 + (INTEGRATED_ID_SIZE * 2) + (ADDRESS_CHECKSUM_SIZE * 2)); - var expectedChecksum = this.cn_fast_hash(prefix + spend + view + intPaymentId).slice(0, ADDRESS_CHECKSUM_SIZE * 2); - } else if (prefix === expectedPrefix) { - var checksum = dec.slice(128, 128 + (ADDRESS_CHECKSUM_SIZE * 2)); - var expectedChecksum = this.cn_fast_hash(prefix + spend + view).slice(0, ADDRESS_CHECKSUM_SIZE * 2); - } else { - // if its not regular address, nor integrated, than it must be subaddress - var checksum = dec.slice(128, 128 + (ADDRESS_CHECKSUM_SIZE * 2)); - var expectedChecksum = this.cn_fast_hash(prefix + spend + view).slice(0, ADDRESS_CHECKSUM_SIZE * 2); - } - if (checksum !== expectedChecksum) { - throw "Invalid checksum"; - } - if (intPaymentId){ - return { - spend: spend, - view: view, - intPaymentId: intPaymentId - }; - } else { - return { - spend: spend, - view: view - }; - } - }; - - this.valid_keys = function(view_pub, view_sec, spend_pub, spend_sec) { - var expected_view_pub = this.sec_key_to_pub(view_sec); - var expected_spend_pub = this.sec_key_to_pub(spend_sec); - return (expected_spend_pub === spend_pub) && (expected_view_pub === view_pub); - }; - - this.hash_to_scalar = function(buf) { - var hash = this.cn_fast_hash(buf); - var scalar = this.sc_reduce32(hash); - return scalar; - }; - - /*this.generate_key_derivation = function(pub, sec) { - if (pub.length !== 64 || sec.length !== 64) { - throw "Invalid input length"; - } - var pub_b = hextobin(pub); - var sec_b = hextobin(sec); - var pub_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(pub_b, pub_m); - var sec_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(sec_b, sec_m); - var ge_p3_m = Module._malloc(STRUCT_SIZES.GE_P3); - var ge_p2_m = Module._malloc(STRUCT_SIZES.GE_P2); - var ge_p1p1_m = Module._malloc(STRUCT_SIZES.GE_P1P1); - if (Module.ccall("ge_frombytes_vartime", "bool", ["number", "number"], [ge_p3_m, pub_m]) !== 0) { - throw "ge_frombytes_vartime returned non-zero error code"; - } - Module.ccall("ge_scalarmult", "void", ["number", "number", "number"], [ge_p2_m, sec_m, ge_p3_m]); - Module.ccall("ge_mul8", "void", ["number", "number"], [ge_p1p1_m, ge_p2_m]); - Module.ccall("ge_p1p1_to_p2", "void", ["number", "number"], [ge_p2_m, ge_p1p1_m]); - var derivation_m = Module._malloc(KEY_SIZE); - Module.ccall("ge_tobytes", "void", ["number", "number"], [derivation_m, ge_p2_m]); - var res = Module.HEAPU8.subarray(derivation_m, derivation_m + KEY_SIZE); - Module._free(pub_m); - Module._free(sec_m); - Module._free(ge_p3_m); - Module._free(ge_p2_m); - Module._free(ge_p1p1_m); - Module._free(derivation_m); - return bintohex(res); - };*/ - - this.generate_key_derivation = function(pub, sec) { - if (pub.length !== 64 || sec.length !== 64) { - throw "generate_key_derivation: Invalid pub or sec keys lengths"; - } - var P = this.ge_scalarmult(pub, sec); - return this.ge_scalarmult(P, d2s(8)); //mul8 to ensure group - }; - - this.derivation_to_scalar = function(derivation, output_index) { - var buf = ""; - if (derivation.length !== (STRUCT_SIZES.EC_POINT * 2)) { - throw "derivation_to_scalar: Invalid derivation length!"; - } - buf += derivation; - var enc = encode_varint(output_index); - if (enc.length > 10 * 2) { - throw "output_index didn't fit in 64-bit varint"; - } - buf += enc; - return this.hash_to_scalar(buf); - }; - - this.derive_secret_key = function(derivation, out_index, sec) { - if (derivation.length !== 64 || sec.length !== 64) { - throw "derive_secret_key: Invalid derivation or sec input length!"; - } - var scalar_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - var scalar_b = hextobin(this.derivation_to_scalar(derivation, out_index)); - Module.HEAPU8.set(scalar_b, scalar_m); - var base_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(hextobin(sec), base_m); - var derived_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - Module.ccall("sc_add", "void", ["number", "number", "number"], [derived_m, base_m, scalar_m]); - var res = Module.HEAPU8.subarray(derived_m, derived_m + STRUCT_SIZES.EC_SCALAR); - Module._free(scalar_m); - Module._free(base_m); - Module._free(derived_m); - return bintohex(res); - }; - - /*this.derive_public_key = function(derivation, out_index, pub) { - if (derivation.length !== 64 || pub.length !== 64) { - throw "Invalid input length!"; - } - var derivation_m = Module._malloc(KEY_SIZE); - var derivation_b = hextobin(derivation); - Module.HEAPU8.set(derivation_b, derivation_m); - var base_m = Module._malloc(KEY_SIZE); - var base_b = hextobin(pub); - Module.HEAPU8.set(base_b, base_m); - var point1_m = Module._malloc(STRUCT_SIZES.GE_P3); - var point2_m = Module._malloc(STRUCT_SIZES.GE_P3); - var point3_m = Module._malloc(STRUCT_SIZES.GE_CACHED); - var point4_m = Module._malloc(STRUCT_SIZES.GE_P1P1); - var point5_m = Module._malloc(STRUCT_SIZES.GE_P2); - var derived_key_m = Module._malloc(KEY_SIZE); - if (Module.ccall("ge_frombytes_vartime", "bool", ["number", "number"], [point1_m, base_m]) !== 0) { - throw "ge_frombytes_vartime returned non-zero error code"; - } - var scalar_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - var scalar_b = hextobin(this.derivation_to_scalar(bintohex(Module.HEAPU8.subarray(derivation_m, derivation_m + STRUCT_SIZES.EC_POINT)), out_index)); - Module.HEAPU8.set(scalar_b, scalar_m); - Module.ccall("ge_scalarmult_base", "void", ["number", "number"], [point2_m, scalar_m]); - Module.ccall("ge_p3_to_cached", "void", ["number", "number"], [point3_m, point2_m]); - Module.ccall("ge_add", "void", ["number", "number", "number"], [point4_m, point1_m, point3_m]); - Module.ccall("ge_p1p1_to_p2", "void", ["number", "number"], [point5_m, point4_m]); - Module.ccall("ge_tobytes", "void", ["number", "number"], [derived_key_m, point5_m]); - var res = Module.HEAPU8.subarray(derived_key_m, derived_key_m + KEY_SIZE); - Module._free(derivation_m); - Module._free(base_m); - Module._free(scalar_m); - Module._free(point1_m); - Module._free(point2_m); - Module._free(point3_m); - Module._free(point4_m); - Module._free(point5_m); - Module._free(derived_key_m); - return bintohex(res); - };*/ - - this.derive_public_key = function(derivation, out_index, pub) { - if (derivation.length !== 64 || pub.length !== 64) { - throw "derive_public_key: Invalid derivation or pub key input lengths!"; - } - var s = this.derivation_to_scalar(derivation, out_index); - return bintohex(nacl.ll.ge_add(hextobin(pub), hextobin(this.ge_scalarmult_base(s)))); - }; - - this.hash_to_ec = function(key) { - if (key.length !== (KEY_SIZE * 2)) { - throw "hash_to_ec: Invalid key input length"; - } - var h_m = Module._malloc(HASH_SIZE); - var point_m = Module._malloc(STRUCT_SIZES.GE_P2); - var point2_m = Module._malloc(STRUCT_SIZES.GE_P1P1); - var res_m = Module._malloc(STRUCT_SIZES.GE_P3); - var hash = hextobin(this.cn_fast_hash(key, KEY_SIZE)); - Module.HEAPU8.set(hash, h_m); - Module.ccall("ge_fromfe_frombytes_vartime", "void", ["number", "number"], [point_m, h_m]); - Module.ccall("ge_mul8", "void", ["number", "number"], [point2_m, point_m]); - Module.ccall("ge_p1p1_to_p3", "void", ["number", "number"], [res_m, point2_m]); - var res = Module.HEAPU8.subarray(res_m, res_m + STRUCT_SIZES.GE_P3); - Module._free(h_m); - Module._free(point_m); - Module._free(point2_m); - Module._free(res_m); - return bintohex(res); - }; - - //returns a 32 byte point via "ge_p3_tobytes" rather than a 160 byte "p3", otherwise same as above; - this.hash_to_ec_2 = function(key) { - if (key.length !== (KEY_SIZE * 2)) { - throw "hash_to_ec_2: Invalid key input length"; - } - var h_m = Module._malloc(HASH_SIZE); - var point_m = Module._malloc(STRUCT_SIZES.GE_P2); - var point2_m = Module._malloc(STRUCT_SIZES.GE_P1P1); - var res_m = Module._malloc(STRUCT_SIZES.GE_P3); - var hash = hextobin(this.cn_fast_hash(key, KEY_SIZE)); - var res2_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(hash, h_m); - Module.ccall("ge_fromfe_frombytes_vartime", "void", ["number", "number"], [point_m, h_m]); - Module.ccall("ge_mul8", "void", ["number", "number"], [point2_m, point_m]); - Module.ccall("ge_p1p1_to_p3", "void", ["number", "number"], [res_m, point2_m]); - Module.ccall("ge_p3_tobytes", "void", ["number", "number"], [res2_m, res_m]); - var res = Module.HEAPU8.subarray(res2_m, res2_m + KEY_SIZE); - Module._free(h_m); - Module._free(point_m); - Module._free(point2_m); - Module._free(res_m); - Module._free(res2_m); - return bintohex(res); - }; - - this.generate_key_image_2 = function(pub, sec) { - if (!pub || !sec || pub.length !== 64 || sec.length !== 64) { - throw "generate_key_image_2: Invalid pub or sec keys input length"; - } - var pub_m = Module._malloc(KEY_SIZE); - var sec_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(hextobin(pub), pub_m); - Module.HEAPU8.set(hextobin(sec), sec_m); - if (Module.ccall("sc_check", "number", ["number"], [sec_m]) !== 0) { - throw "sc_check(sec) != 0"; - } - var point_m = Module._malloc(STRUCT_SIZES.GE_P3); - var point2_m = Module._malloc(STRUCT_SIZES.GE_P2); - var point_b = hextobin(this.hash_to_ec(pub)); - Module.HEAPU8.set(point_b, point_m); - var image_m = Module._malloc(STRUCT_SIZES.KEY_IMAGE); - Module.ccall("ge_scalarmult", "void", ["number", "number", "number"], [point2_m, sec_m, point_m]); - Module.ccall("ge_tobytes", "void", ["number", "number"], [image_m, point2_m]); - var res = Module.HEAPU8.subarray(image_m, image_m + STRUCT_SIZES.KEY_IMAGE); - Module._free(pub_m); - Module._free(sec_m); - Module._free(point_m); - Module._free(point2_m); - Module._free(image_m); - return bintohex(res); - }; - - this.generate_key_image = function(tx_pub, view_sec, spend_pub, spend_sec, output_index) { - if (tx_pub.length !== 64) { - throw "Invalid tx_pub length"; - } - if (view_sec.length !== 64) { - throw "Invalid view_sec length"; - } - if (spend_pub.length !== 64) { - throw "Invalid spend_pub length"; - } - if (spend_sec.length !== 64) { - throw "Invalid spend_sec length"; - } - var recv_derivation = this.generate_key_derivation(tx_pub, view_sec); - var ephemeral_pub = this.derive_public_key(recv_derivation, output_index, spend_pub); - var ephemeral_sec = this.derive_secret_key(recv_derivation, output_index, spend_sec); - var k_image = this.generate_key_image_2(ephemeral_pub, ephemeral_sec); - return { - ephemeral_pub: ephemeral_pub, - key_image: k_image - }; - }; - - this.generate_key_image_helper_rct = function(keys, tx_pub_key, out_index, enc_mask) { - var recv_derivation = this.generate_key_derivation(tx_pub_key, keys.view.sec); - if (!recv_derivation) throw "Failed to generate key image"; - - var mask; - - if (enc_mask === I) - { - // this is for ringct coinbase txs (rct type 0). they are ringct tx that have identity mask - mask = enc_mask; // enc_mask is idenity mask returned by backend. - } - else - { - // for other ringct types or for non-ringct txs to this. - mask = enc_mask ? sc_sub(enc_mask, hash_to_scalar(derivation_to_scalar(recv_derivation, out_index))) : I; //decode mask, or d2s(1) if no mask - } - - var ephemeral_pub = this.derive_public_key(recv_derivation, out_index, keys.spend.pub); - if (!ephemeral_pub) throw "Failed to generate key image"; - var ephemeral_sec = this.derive_secret_key(recv_derivation, out_index, keys.spend.sec); - var image = this.generate_key_image_2(ephemeral_pub, ephemeral_sec); - return { - in_ephemeral: { - pub: ephemeral_pub, - sec: ephemeral_sec, - mask: mask - }, - image: image - }; - }; - - //curve and scalar functions; split out to make their host functions cleaner and more readable - //inverts X coordinate -- this seems correct ^_^ -luigi1111 - this.ge_neg = function(point) { - if (point.length !== 64){ - throw "expected 64 char hex string"; - } - return point.slice(0,62) + ((parseInt(point.slice(62,63), 16) + 8) % 16).toString(16) + point.slice(63,64); - }; - - //adds two points together, order does not matter - /*this.ge_add2 = function(point1, point2) { - var point1_m = Module._malloc(KEY_SIZE); - var point2_m = Module._malloc(KEY_SIZE); - var point1_m2 = Module._malloc(STRUCT_SIZES.GE_P3); - var point2_m2 = Module._malloc(STRUCT_SIZES.GE_P3); - Module.HEAPU8.set(hextobin(point1), point1_m); - Module.HEAPU8.set(hextobin(point2), point2_m); - if (Module.ccall("ge_frombytes_vartime", "bool", ["number", "number"], [point1_m2, point1_m]) !== 0) { - throw "ge_frombytes_vartime returned non-zero error code"; - } - if (Module.ccall("ge_frombytes_vartime", "bool", ["number", "number"], [point2_m2, point2_m]) !== 0) { - throw "ge_frombytes_vartime returned non-zero error code"; - } - var sum_m = Module._malloc(KEY_SIZE); - var p2_m = Module._malloc(STRUCT_SIZES.GE_P2); - var p1_m = Module._malloc(STRUCT_SIZES.GE_P1P1); - var p3_m = Module._malloc(STRUCT_SIZES.GE_CACHED); - Module.ccall("ge_p3_to_cached", "void", ["number", "number"], [p3_m, point2_m2]); - Module.ccall("ge_add", "void", ["number", "number", "number"], [p1_m, point1_m2, p3_m]); - Module.ccall("ge_p1p1_to_p2", "void", ["number", "number"], [p2_m, p1_m]); - Module.ccall("ge_tobytes", "void", ["number", "number"], [sum_m, p2_m]); - var res = Module.HEAPU8.subarray(sum_m, sum_m + KEY_SIZE); - Module._free(point1_m); - Module._free(point1_m2); - Module._free(point2_m); - Module._free(point2_m2); - Module._free(p2_m); - Module._free(p1_m); - Module._free(sum_m); - Module._free(p3_m); - return bintohex(res); - };*/ - - this.ge_add = function(p1, p2) { - if (p1.length !== 64 || p2.length !== 64) { - throw "ge_add: Invalid p1 or p2 input lengths!"; - } - return bintohex(nacl.ll.ge_add(hextobin(p1), hextobin(p2))); - }; - - //order matters - this.ge_sub = function(point1, point2) { - point2n = ge_neg(point2); - return ge_add(point1, point2n); - }; - - //adds two scalars together - this.sc_add = function(scalar1, scalar2) { - if (scalar1.length !== 64 || scalar2.length !== 64) { - throw "sc_add: Invalid scalar1 or scalar2 input length!"; - } - var scalar1_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - var scalar2_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - Module.HEAPU8.set(hextobin(scalar1), scalar1_m); - Module.HEAPU8.set(hextobin(scalar2), scalar2_m); - var derived_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - Module.ccall("sc_add", "void", ["number", "number", "number"], [derived_m, scalar1_m, scalar2_m]); - var res = Module.HEAPU8.subarray(derived_m, derived_m + STRUCT_SIZES.EC_SCALAR); - Module._free(scalar1_m); - Module._free(scalar2_m); - Module._free(derived_m); - return bintohex(res); - }; - - //subtracts one scalar from another - this.sc_sub = function(scalar1, scalar2) { - if (scalar1.length !== 64 || scalar2.length !== 64) { - throw "sc_sub: Invalid scalar1 or scalar2 input lengths!"; - } - var scalar1_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - var scalar2_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - Module.HEAPU8.set(hextobin(scalar1), scalar1_m); - Module.HEAPU8.set(hextobin(scalar2), scalar2_m); - var derived_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - Module.ccall("sc_sub", "void", ["number", "number", "number"], [derived_m, scalar1_m, scalar2_m]); - var res = Module.HEAPU8.subarray(derived_m, derived_m + STRUCT_SIZES.EC_SCALAR); - Module._free(scalar1_m); - Module._free(scalar2_m); - Module._free(derived_m); - return bintohex(res); - }; - - //fun mul function - this.sc_mul = function(scalar1, scalar2) { - if (scalar1.length !== 64 || scalar2.length !== 64) { - throw "sc_mul: Invalid scalar1 or scalar2 input lengths!"; - } - return d2s(JSBigInt(s2d(scalar1)).multiply(JSBigInt(s2d(scalar2))).remainder(l).toString()); - }; - - //res = c - (ab) mod l; argument names copied from the signature implementation - this.sc_mulsub = function(sigc, sec, k) { - if (k.length !== KEY_SIZE * 2 || sigc.length !== KEY_SIZE * 2 || sec.length !== KEY_SIZE * 2 || !this.valid_hex(k) || !this.valid_hex(sigc) || !this.valid_hex(sec)) { - throw "bad scalar"; - } - var sec_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(hextobin(sec), sec_m); - var sigc_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(hextobin(sigc), sigc_m); - var k_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(hextobin(k), k_m); - var res_m = Module._malloc(KEY_SIZE); - - Module.ccall("sc_mulsub", "void", ["number", "number", "number", "number"], [res_m, sigc_m, sec_m, k_m]); - res = Module.HEAPU8.subarray(res_m, res_m + KEY_SIZE); - Module._free(k_m); - Module._free(sec_m); - Module._free(sigc_m); - Module._free(res_m); - return bintohex(res); - }; - - //res = aB + cG; argument names copied from the signature implementation - /*this.ge_double_scalarmult_base_vartime = function(sigc, pub, sigr) { - var pub_m = Module._malloc(KEY_SIZE); - var pub2_m = Module._malloc(STRUCT_SIZES.GE_P3); - Module.HEAPU8.set(hextobin(pub), pub_m); - if (Module.ccall("ge_frombytes_vartime", "void", ["number", "number"], [pub2_m, pub_m]) !== 0) { - throw "Failed to call ge_frombytes_vartime"; - } - var sigc_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(hextobin(sigc), sigc_m); - var sigr_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(hextobin(sigr), sigr_m); - if (Module.ccall("sc_check", "number", ["number"], [sigc_m]) !== 0 || Module.ccall("sc_check", "number", ["number"], [sigr_m]) !== 0) { - throw "bad scalar(s)"; - } - var tmp_m = Module._malloc(STRUCT_SIZES.GE_P2); - var res_m = Module._malloc(KEY_SIZE); - Module.ccall("ge_double_scalarmult_base_vartime", "void", ["number", "number", "number", "number"], [tmp_m, sigc_m, pub2_m, sigr_m]); - Module.ccall("ge_tobytes", "void", ["number", "number"], [res_m, tmp_m]); - var res = Module. HEAPU8.subarray(res_m, res_m + KEY_SIZE); - Module._free(pub_m); - Module._free(pub2_m); - Module._free(sigc_m); - Module._free(sigr_m); - Module._free(tmp_m); - Module._free(res_m); - return bintohex(res); - };*/ - - this.ge_double_scalarmult_base_vartime = function(c, P, r) { - if (c.length !== 64 || P.length !== 64 || r.length !== 64) { - throw "ge_double_scalarmult_base_vartime: Invalid c, P or r input lengths!"; - } - return bintohex(nacl.ll.ge_double_scalarmult_base_vartime(hextobin(c), hextobin(P), hextobin(r))); - }; - - //res = a * Hp(B) + c*D - //res = sigr * Hp(pub) + sigc * k_image; argument names also copied from the signature implementation; note precomp AND hash_to_ec are done internally!! - /*this.ge_double_scalarmult_postcomp_vartime = function(sigr, pub, sigc, k_image) { - var image_m = Module._malloc(STRUCT_SIZES.KEY_IMAGE); - Module.HEAPU8.set(hextobin(k_image), image_m); - var image_unp_m = Module._malloc(STRUCT_SIZES.GE_P3); - var image_pre_m = Module._malloc(STRUCT_SIZES.GE_DSMP); - var tmp3_m = Module._malloc(STRUCT_SIZES.GE_P3); - var sigr_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - var sigc_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - var tmp2_m = Module._malloc(STRUCT_SIZES.GE_P2); - var res_m = Module._malloc(STRUCT_SIZES.EC_POINT); - if (Module.ccall("ge_frombytes_vartime", "void", ["number", "number"], [image_unp_m, image_m]) !== 0) { - throw "Failed to call ge_frombytes_vartime"; - } - Module.ccall("ge_dsm_precomp", "void", ["number", "number"], [image_pre_m, image_unp_m]); - var ec = this.hash_to_ec(pub); - Module.HEAPU8.set(hextobin(ec), tmp3_m); - Module.HEAPU8.set(hextobin(sigc), sigc_m); - Module.HEAPU8.set(hextobin(sigr), sigr_m); - Module.ccall("ge_double_scalarmult_precomp_vartime", "void", ["number", "number", "number", "number", "number"], [tmp2_m, sigr_m, tmp3_m, sigc_m, image_pre_m]); - Module.ccall("ge_tobytes", "void", ["number", "number"], [res_m, tmp2_m]); - var res = Module. HEAPU8.subarray(res_m, res_m + STRUCT_SIZES.EC_POINT); - Module._free(image_m); - Module._free(image_unp_m); - Module._free(image_pre_m); - Module._free(tmp3_m); - Module._free(sigr_m); - Module._free(sigc_m); - Module._free(tmp2_m); - Module._free(res_m); - return bintohex(res); - };*/ - - this.ge_double_scalarmult_postcomp_vartime = function(r, P, c, I) { - if (c.length !== 64 || P.length !== 64 || r.length !== 64 || I.length !== 64) { - throw "ge_double_scalarmult_postcomp_vartime: Invalid r, p, c or I input lengths!"; - } - var Pb = this.hash_to_ec_2(P); - return bintohex(nacl.ll.ge_double_scalarmult_postcomp_vartime(hextobin(r), hextobin(Pb), hextobin(c), hextobin(I))); - }; - - - - //begin RCT functions - - //xv: vector of secret keys, 1 per ring (nrings) - //pm: matrix of pubkeys, indexed by size first - //iv: vector of indexes, 1 per ring (nrings), can be a string - //size: ring size - //nrings: number of rings - //extensible borromean signatures - this.genBorromean = function(xv, pm, iv, size, nrings){ - if (xv.length !== nrings){ - throw "wrong xv length " + xv.length; - } - if (pm.length !== size){ - throw "wrong pm size " + pm.length; - } - for (var i = 0; i < pm.length; i++){ - if (pm[i].length !== nrings){ - throw "wrong pm[" + i + "] length " + pm[i].length; - } - } - if (iv.length !== nrings){ - throw "wrong iv length " + iv.length; - } - for (var i = 0; i < iv.length; i++){ - if (iv[i] >= size){ - throw "bad indices value at: " + i + ": " + iv[i]; - } - } - //signature struct - var bb = { - s: [], - ee: "" - }; - //signature pubkey matrix - var L = []; - //add needed sub vectors (1 per ring size) - for (var i = 0; i < size; i++){ - bb.s[i] = []; - L[i] = []; - } - //compute starting at the secret index to the last row - var index; - var alpha = []; - for (var i = 0; i < nrings; i++){ - index = parseInt(iv[i]); - alpha[i] = random_scalar(); - L[index][i] = ge_scalarmult_base(alpha[i]); - for (var j = index + 1; j < size; j++){ - bb.s[j][i] = random_scalar(); - var c = hash_to_scalar(L[j-1][i]); - L[j][i] = ge_double_scalarmult_base_vartime(c, pm[j][i], bb.s[j][i]); - } - } - //hash last row to create ee - var ltemp = ""; - for (var i = 0; i < nrings; i++){ - ltemp += L[size-1][i]; - } - bb.ee = hash_to_scalar(ltemp); - //compute the rest from 0 to secret index - for (var i = 0; i < nrings; i++){ - var cc = bb.ee - for (var j = 0; j < iv[i]; j++){ - bb.s[j][i] = random_scalar(); - var LL = ge_double_scalarmult_base_vartime(cc, pm[j][i], bb.s[j][i]); - cc = hash_to_scalar(LL); - } - bb.s[j][i] = sc_mulsub(xv[i], cc, alpha[i]); - } - return bb; - }; - - //proveRange - //proveRange gives C, and mask such that \sumCi = C - // c.f. http://eprint.iacr.org/2015/1098 section 5.1 - // and Ci is a commitment to either 0 or s^i, i=0,...,n - // thus this proves that "amount" is in [0, s^n] (we assume s to be 4) (2 for now with v2 txes) - // mask is a such that C = aG + bH, and b = amount - //commitMaskObj = {C: commit, mask: mask} - this.proveRange = function(commitMaskObj, amount, nrings, enc_seed, exponent){ - var size = 2; - var C = I; //identity - var mask = Z; //zero scalar - var indices = d2b(amount); //base 2 for now - var sig = { - Ci: [] - //exp: exponent //doesn't exist for now - } - /*payload stuff - ignore for now - seeds = new Array(3); - for (var i = 0; i < seeds.length; i++){ - seeds[i] = new Array(1); - } - genSeeds(seeds, enc_seed); - */ - var ai = []; - var PM = []; - for (var i = 0; i < size; i++){ - PM[i] = []; - } - var j; - //start at index and fill PM left and right -- PM[0] holds Ci - for (i = 0; i < nrings; i++){ - ai[i] = random_scalar(); - j = indices[i]; - PM[j][i] = ge_scalarmult_base(ai[i]); - while (j > 0){ - j--; - PM[j][i] = ge_add(PM[j+1][i], H2[i]); //will need to use i*2 for base 4 (or different object) - } - j = indices[i]; - while (j < size - 1){ - j++; - PM[j][i] = ge_sub(PM[j-1][i], H2[i]); //will need to use i*2 for base 4 (or different object) - } - mask = sc_add(mask, ai[i]); - } - /* - * some more payload stuff here - */ - //copy commitments to sig and sum them to commitment - for (i = 0; i < nrings; i++){ - //if (i < nrings - 1) //for later version - sig.Ci[i] = PM[0][i]; - C = ge_add(C, PM[0][i]); - } - /* exponent stuff - ignore for now - if (exponent){ - n = JSBigInt(10); - n = n.pow(exponent).toString(); - mask = sc_mul(mask, d2s(n)); //new sum - } - */ - sig.bsig = this.genBorromean(ai, PM, indices, size, nrings); - commitMaskObj.C = C; - commitMaskObj.mask = mask; - return sig; - }; - - - function array_hash_to_scalar(array){ - var buf = "" - for (var i = 0; i < array.length; i++){ - if (typeof array[i] !== "string"){throw "unexpected array element";} - buf += array[i]; - } - return hash_to_scalar(buf); - } - - // Gen creates a signature which proves that for some column in the keymatrix "pk" - // the signer knows a secret key for each row in that column - // we presently only support matrices of 2 rows (pubkey, commitment) - // this is a simplied MLSAG_Gen function to reflect that - // because we don't want to force same secret column for all inputs - this.MLSAG_Gen = function(message, pk, xx, kimg, index){ - var cols = pk.length; //ring size - if (index >= cols){throw "index out of range";} - var rows = pk[0].length; //number of signature rows (always 2) - if (rows !== 2){throw "wrong row count";} - for (var i = 0; i < cols; i++){ - if (pk[i].length !== rows){throw "pk is not rectangular";} - } - if (xx.length !== rows){throw "bad xx size";} - - var c_old = ""; - var alpha = []; - - var rv = { - ss: [], - cc: null - }; - for (i = 0; i < cols; i++){ - rv.ss[i] = []; - } - var toHash = []; //holds 6 elements: message, pubkey, dsRow L, dsRow R, commitment, ndsRow L - toHash[0] = message; - - //secret index (pubkey section) - alpha[0] = random_scalar(); //need to save alphas for later - toHash[1] = pk[index][0]; //secret index pubkey - toHash[2] = ge_scalarmult_base(alpha[0]); //dsRow L - toHash[3] = generate_key_image_2(pk[index][0], alpha[0]); //dsRow R (key image check) - //secret index (commitment section) - alpha[1] = random_scalar(); - toHash[4] = pk[index][1]; //secret index commitment - toHash[5] = ge_scalarmult_base(alpha[1]); //ndsRow L - - c_old = array_hash_to_scalar(toHash); - - i = (index + 1) % cols; - if (i === 0){ - rv.cc = c_old; - } - while (i != index){ - rv.ss[i][0] = random_scalar(); //dsRow ss - rv.ss[i][1] = random_scalar(); //ndsRow ss - - //!secret index (pubkey section) - toHash[1] = pk[i][0]; - toHash[2] = ge_double_scalarmult_base_vartime(c_old, pk[i][0], rv.ss[i][0]); - toHash[3] = ge_double_scalarmult_postcomp_vartime(rv.ss[i][0], pk[i][0], c_old, kimg); - //!secret index (commitment section) - toHash[4] = pk[i][1]; - toHash[5] = ge_double_scalarmult_base_vartime(c_old, pk[i][1], rv.ss[i][1]); - c_old = array_hash_to_scalar(toHash); //hash to get next column c - i = (i + 1) % cols; - if (i === 0){ - rv.cc = c_old; - } - } - for (i = 0; i < rows; i++){ - rv.ss[index][i] = sc_mulsub(c_old, xx[i], alpha[i]); - } - return rv; - }; - - //prepares for MLSAG_Gen - this.proveRctMG = function(message, pubs, inSk, kimg, mask, Cout, index){ - var cols = pubs.length; - if (cols < 3){throw "cols must be > 2 (mixin)";} - var xx = []; - var PK = []; - //fill pubkey matrix (copy destination, subtract commitments) - for (var i = 0; i < cols; i++){ - PK[i] = []; - PK[i][0] = pubs[i].dest; - PK[i][1] = ge_sub(pubs[i].mask, Cout); - } - xx[0] = inSk.x; - xx[1] = sc_sub(inSk.a, mask); - return this.MLSAG_Gen(message, PK, xx, kimg, index); - }; - - this.get_pre_mlsag_hash = function(rv) { - var hashes = ""; - hashes += rv.message; - hashes += this.cn_fast_hash(this.serialize_rct_base(rv)); - var buf = serialize_range_proofs(rv); - hashes += this.cn_fast_hash(buf); - return this.cn_fast_hash(hashes); - } - - function serialize_range_proofs(rv) { - var buf = ""; - for (var i = 0; i < rv.p.rangeSigs.length; i++) { - for (var j = 0; j < rv.p.rangeSigs[i].bsig.s.length; j++) { - for (var l = 0; l < rv.p.rangeSigs[i].bsig.s[j].length; l++) { - buf += rv.p.rangeSigs[i].bsig.s[j][l]; - } - } - buf += rv.p.rangeSigs[i].bsig.ee; - for (j = 0; j < rv.p.rangeSigs[i].Ci.length; j++) { - buf += rv.p.rangeSigs[i].Ci[j]; - } - } - return buf; - } - - //message is normal prefix hash - //inSk is vector of x,a - //kimg is vector of kimg - //destinations is vector of pubkeys (we skip and proxy outAmounts instead) - //inAmounts is vector of strings - //outAmounts is vector of strings - //mixRing is matrix of pubkey, commit (dest, mask) - //amountKeys is vector of scalars - //indices is vector - //txnFee is string - this.genRct = function(message, inSk, kimg, /*destinations, */inAmounts, outAmounts, mixRing, amountKeys, indices, txnFee){ - if (outAmounts.length !== amountKeys.length ){throw "different number of amounts/amount_keys";} - for (var i = 0; i < mixRing.length; i++){ - if (mixRing[i].length <= indices[i]){throw "bad mixRing/index size";} - } - if (mixRing.length !== inSk.length){throw "mismatched mixRing/inSk";} - if (inAmounts.length !== inSk.length){throw "mismatched inAmounts/inSk";} - if (indices.length !== inSk.length){throw "mismatched indices/inSk";} - - rv = { - type: inSk.length === 1 ? RCTTypeFull : RCTTypeSimple, - message: message, - outPk: [], - p: { - rangeSigs: [], - MGs: [] - }, - ecdhInfo: [], - txnFee: txnFee.toString(), - pseudoOuts: [] - }; - - var sumout = Z; - var cmObj = { - C: null, - mask: null - }; - var nrings = 64; //for base 2/current - //compute range proofs, etc - for (i = 0; i < outAmounts.length; i++){ - var teststart = new Date().getTime(); - rv.p.rangeSigs[i] = this.proveRange(cmObj, outAmounts[i], nrings, 0, 0); - var testfinish = new Date().getTime() - teststart; - console.log("Time take for range proof " + i + ": " + testfinish); - rv.outPk[i] = cmObj.C; - sumout = sc_add(sumout, cmObj.mask); - rv.ecdhInfo[i] = this.encode_rct_ecdh({mask: cmObj.mask, amount: d2s(outAmounts[i])}, amountKeys[i]); - } - - //simple - if (rv.type === 2){ - var ai = []; - var sumpouts = Z; - //create pseudoOuts - for (i = 0; i < inAmounts.length - 1; i++){ - ai[i] = random_scalar(); - sumpouts = sc_add(sumpouts, ai[i]); - rv.pseudoOuts[i] = commit(d2s(inAmounts[i]), ai[i]); - } - ai[i] = sc_sub(sumout, sumpouts); - rv.pseudoOuts[i] = commit(d2s(inAmounts[i]), ai[i]); - var full_message = this.get_pre_mlsag_hash(rv); - for (i = 0; i < inAmounts.length; i++){ - rv.p.MGs.push(this.proveRctMG(full_message, mixRing[i], inSk[i], kimg[i], ai[i], rv.pseudoOuts[i], indices[i])); - } - } else { - var sumC = I; - //get sum of output commitments to use in MLSAG - for (i = 0; i < rv.outPk.length; i++){ - sumC = ge_add(sumC, rv.outPk[i]); - } - sumC = ge_add(sumC, ge_scalarmult(H, d2s(rv.txnFee))); - var full_message = this.get_pre_mlsag_hash(rv); - rv.p.MGs.push(this.proveRctMG(full_message, mixRing[0], inSk[0], kimg[0], sumout, sumC, indices[0])); - } - return rv; - }; - - //end RCT functions - - - this.add_pub_key_to_extra = function(extra, pubkey) { - if (pubkey.length !== 64) throw "Invalid pubkey length"; - // Append pubkey tag and pubkey - extra += TX_EXTRA_TAGS.PUBKEY + pubkey; - return extra; - }; - - this.add_nonce_to_extra = function(extra, nonce) { - // Append extra nonce - if ((nonce.length % 2) !== 0) { - throw "Invalid extra nonce"; - } - if ((nonce.length / 2) > TX_EXTRA_NONCE_MAX_COUNT) { - throw "Extra nonce must be at most " + TX_EXTRA_NONCE_MAX_COUNT + " bytes"; - } - // Add nonce tag - extra += TX_EXTRA_TAGS.NONCE; - // Encode length of nonce - extra += ('0' + (nonce.length / 2).toString(16)).slice(-2); - // Write nonce - extra += nonce; - return extra; - }; - - this.get_payment_id_nonce = function(payment_id, pid_encrypt) { - if (payment_id.length !== 64 && payment_id.length !== 16) { - throw "Invalid payment id"; - } - var res = ''; - if (pid_encrypt) { - res += TX_EXTRA_NONCE_TAGS.ENCRYPTED_PAYMENT_ID; - } else { - res += TX_EXTRA_NONCE_TAGS.PAYMENT_ID; - } - res += payment_id; - return res; - }; - - this.abs_to_rel_offsets = function(offsets) { - if (offsets.length === 0) return offsets; - for (var i = offsets.length - 1; i >= 1; --i) { - offsets[i] = new JSBigInt(offsets[i]).subtract(offsets[i - 1]).toString(); - } - return offsets; - }; - - this.get_tx_prefix_hash = function(tx) { - var prefix = this.serialize_tx(tx, true); - return this.cn_fast_hash(prefix); - }; - - this.get_tx_hash = function(tx) { - if (typeof(tx) === 'string') { - return this.cn_fast_hash(tx); - } else { - return this.cn_fast_hash(this.serialize_tx(tx)); - } - }; - - this.serialize_tx = function(tx, headeronly) { - //tx: { - // version: uint64, - // unlock_time: uint64, - // extra: hex, - // vin: [{amount: uint64, k_image: hex, key_offsets: [uint64,..]},...], - // vout: [{amount: uint64, target: {key: hex}},...], - // signatures: [[s,s,...],...] - //} - if (headeronly === undefined) { - headeronly = false; - } - var buf = ""; - buf += this.encode_varint(tx.version); - buf += this.encode_varint(tx.unlock_time); - buf += this.encode_varint(tx.vin.length); - var i, j; - for (i = 0; i < tx.vin.length; i++) { - var vin = tx.vin[i]; - switch (vin.type) { - case "input_to_key": - buf += "02"; - buf += this.encode_varint(vin.amount); - buf += this.encode_varint(vin.key_offsets.length); - for (j = 0; j < vin.key_offsets.length; j++) { - buf += this.encode_varint(vin.key_offsets[j]); - } - buf += vin.k_image; - break; - default: - throw "Unhandled vin type: " + vin.type; - } - } - buf += this.encode_varint(tx.vout.length); - for (i = 0; i < tx.vout.length; i++) { - var vout = tx.vout[i]; - buf += this.encode_varint(vout.amount); - switch (vout.target.type) { - case "txout_to_key": - buf += "02"; - buf += vout.target.key; - break; - default: - throw "Unhandled txout target type: " + vout.target.type; - } - } - if (!this.valid_hex(tx.extra)) { - throw "Tx extra has invalid hex"; - } - buf += this.encode_varint(tx.extra.length / 2); - buf += tx.extra; - if (!headeronly) { - if (tx.vin.length !== tx.signatures.length) { - throw "Signatures length != vin length"; - } - for (i = 0; i < tx.vin.length; i++) { - for (j = 0; j < tx.signatures[i].length; j++) { - buf += tx.signatures[i][j]; - } - } - } - return buf; - }; - - this.serialize_rct_tx_with_hash = function(tx) { - var hashes = ""; - var buf = ""; - buf += this.serialize_tx(tx, true); - hashes += this.cn_fast_hash(buf); - var buf2 = this.serialize_rct_base(tx.rct_signatures); - hashes += this.cn_fast_hash(buf2); - buf += buf2; - var buf3 = serialize_range_proofs(tx.rct_signatures); - //add MGs - for (var i = 0; i < tx.rct_signatures.p.MGs.length; i++) { - for (var j = 0; j < tx.rct_signatures.p.MGs[i].ss.length; j++) { - buf3 += tx.rct_signatures.p.MGs[i].ss[j][0]; - buf3 += tx.rct_signatures.p.MGs[i].ss[j][1]; - } - buf3 += tx.rct_signatures.p.MGs[i].cc; - } - hashes += this.cn_fast_hash(buf3); - buf += buf3; - var hash = this.cn_fast_hash(hashes); - return { - raw: buf, - hash: hash, - prvkey: tx.prvkey - }; - }; - - this.serialize_rct_base = function(rv) { - var buf = ""; - buf += this.encode_varint(rv.type); - buf += this.encode_varint(rv.txnFee); - if (rv.type === 2) { - for (var i = 0; i < rv.pseudoOuts.length; i++) { - buf += rv.pseudoOuts[i]; - } - } - if (rv.ecdhInfo.length !== rv.outPk.length) { - throw "mismatched outPk/ecdhInfo!"; - } - for (i = 0; i < rv.ecdhInfo.length; i++) { - buf += rv.ecdhInfo[i].mask; - buf += rv.ecdhInfo[i].amount; - } - for (i = 0; i < rv.outPk.length; i++) { - buf += rv.outPk[i]; - } - return buf; - }; - - this.generate_ring_signature = function(prefix_hash, k_image, keys, sec, real_index) { - if (k_image.length !== STRUCT_SIZES.KEY_IMAGE * 2) { - throw "invalid key image length"; - } - if (sec.length !== KEY_SIZE * 2) { - throw "Invalid secret key length"; - } - if (prefix_hash.length !== HASH_SIZE * 2 || !this.valid_hex(prefix_hash)) { - throw "Invalid prefix hash"; - } - if (real_index >= keys.length || real_index < 0) { - throw "real_index is invalid"; - } - var _ge_tobytes = Module.cwrap("ge_tobytes", "void", ["number", "number"]); - var _ge_p3_tobytes = Module.cwrap("ge_p3_tobytes", "void", ["number", "number"]); - var _ge_scalarmult_base = Module.cwrap("ge_scalarmult_base", "void", ["number", "number"]); - var _ge_scalarmult = Module.cwrap("ge_scalarmult", "void", ["number", "number", "number"]); - var _sc_add = Module.cwrap("sc_add", "void", ["number", "number", "number"]); - var _sc_sub = Module.cwrap("sc_sub", "void", ["number", "number", "number"]); - var _sc_mulsub = Module.cwrap("sc_mulsub", "void", ["number", "number", "number", "number"]); - var _sc_0 = Module.cwrap("sc_0", "void", ["number"]); - var _ge_double_scalarmult_base_vartime = Module.cwrap("ge_double_scalarmult_base_vartime", "void", ["number", "number", "number", "number"]); - var _ge_double_scalarmult_precomp_vartime = Module.cwrap("ge_double_scalarmult_precomp_vartime", "void", ["number", "number", "number", "number", "number"]); - var _ge_frombytes_vartime = Module.cwrap("ge_frombytes_vartime", "number", ["number", "number"]); - var _ge_dsm_precomp = Module.cwrap("ge_dsm_precomp", "void", ["number", "number"]); - - var buf_size = STRUCT_SIZES.EC_POINT * 2 * keys.length; - var buf_m = Module._malloc(buf_size); - var sig_size = STRUCT_SIZES.SIGNATURE * keys.length; - var sig_m = Module._malloc(sig_size); - - // Struct pointer helper functions - function buf_a(i) { - return buf_m + STRUCT_SIZES.EC_POINT * (2 * i); - } - function buf_b(i) { - return buf_m + STRUCT_SIZES.EC_POINT * (2 * i + 1); - } - function sig_c(i) { - return sig_m + STRUCT_SIZES.EC_SCALAR * (2 * i); - } - function sig_r(i) { - return sig_m + STRUCT_SIZES.EC_SCALAR * (2 * i + 1); - } - var image_m = Module._malloc(STRUCT_SIZES.KEY_IMAGE); - Module.HEAPU8.set(hextobin(k_image), image_m); - var i; - var image_unp_m = Module._malloc(STRUCT_SIZES.GE_P3); - var image_pre_m = Module._malloc(STRUCT_SIZES.GE_DSMP); - var sum_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - var k_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - var h_m = Module._malloc(STRUCT_SIZES.EC_SCALAR); - var tmp2_m = Module._malloc(STRUCT_SIZES.GE_P2); - var tmp3_m = Module._malloc(STRUCT_SIZES.GE_P3); - var pub_m = Module._malloc(KEY_SIZE); - var sec_m = Module._malloc(KEY_SIZE); - Module.HEAPU8.set(hextobin(sec), sec_m); - if (_ge_frombytes_vartime(image_unp_m, image_m) != 0) { - throw "failed to call ge_frombytes_vartime"; - } - _ge_dsm_precomp(image_pre_m, image_unp_m); - _sc_0(sum_m); - for (i = 0; i < keys.length; i++) { - if (i === real_index) { - // Real key - var rand = this.random_scalar(); - Module.HEAPU8.set(hextobin(rand), k_m); - _ge_scalarmult_base(tmp3_m, k_m); - _ge_p3_tobytes(buf_a(i), tmp3_m); - var ec = this.hash_to_ec(keys[i]); - Module.HEAPU8.set(hextobin(ec), tmp3_m); - _ge_scalarmult(tmp2_m, k_m, tmp3_m); - _ge_tobytes(buf_b(i), tmp2_m); - } else { - Module.HEAPU8.set(hextobin(this.random_scalar()), sig_c(i)); - Module.HEAPU8.set(hextobin(this.random_scalar()), sig_r(i)); - Module.HEAPU8.set(hextobin(keys[i]), pub_m); - if (Module.ccall("ge_frombytes_vartime", "void", ["number", "number"], [tmp3_m, pub_m]) !== 0) { - throw "Failed to call ge_frombytes_vartime"; - } - _ge_double_scalarmult_base_vartime(tmp2_m, sig_c(i), tmp3_m, sig_r(i)); - _ge_tobytes(buf_a(i), tmp2_m); - var ec = this.hash_to_ec(keys[i]); - Module.HEAPU8.set(hextobin(ec), tmp3_m); - _ge_double_scalarmult_precomp_vartime(tmp2_m, sig_r(i), tmp3_m, sig_c(i), image_pre_m); - _ge_tobytes(buf_b(i), tmp2_m); - _sc_add(sum_m, sum_m, sig_c(i)); - } - } - var buf_bin = Module.HEAPU8.subarray(buf_m, buf_m + buf_size); - var scalar = this.hash_to_scalar(prefix_hash + bintohex(buf_bin)); - Module.HEAPU8.set(hextobin(scalar), h_m); - _sc_sub(sig_c(real_index), h_m, sum_m); - _sc_mulsub(sig_r(real_index), sig_c(real_index), sec_m, k_m); - var sig_data = bintohex(Module.HEAPU8.subarray(sig_m, sig_m + sig_size)); - var sigs = []; - for (var k = 0; k < keys.length; k++) { - sigs.push(sig_data.slice(STRUCT_SIZES.SIGNATURE * 2 * k, STRUCT_SIZES.SIGNATURE * 2 * (k + 1))); - } - Module._free(image_m); - Module._free(image_unp_m); - Module._free(image_pre_m); - Module._free(sum_m); - Module._free(k_m); - Module._free(h_m); - Module._free(tmp2_m); - Module._free(tmp3_m); - Module._free(buf_m); - Module._free(sig_m); - Module._free(pub_m); - Module._free(sec_m); - return sigs; - }; - - // reargances array to specific indices. - this.rearrange = function(arr, ind) { - var new_arr = []; - - for (j = 0; j < ind.length; j++) { - new_arr.push(arr[ind[j]]); - } - - return new_arr; - }; - - this.construct_tx = function(keys, sources, dsts, fee_amount, payment_id, pid_encrypt, realDestViewKey, unlock_time, rct) { - //we move payment ID stuff here, because we need txkey to encrypt - var txkey = this.random_keypair(); - console.log(txkey); - var extra = ''; - if (payment_id) { - if (pid_encrypt && payment_id.length !== INTEGRATED_ID_SIZE * 2) { - throw "payment ID must be " + INTEGRATED_ID_SIZE + " bytes to be encrypted!"; - } - console.log("Adding payment id: " + payment_id); - if (pid_encrypt) { //get the derivation from our passed viewkey, then hash that + tail to get encryption key - var pid_key = this.cn_fast_hash(this.generate_key_derivation(realDestViewKey, txkey.sec) + ENCRYPTED_PAYMENT_ID_TAIL.toString(16)).slice(0, INTEGRATED_ID_SIZE * 2); - console.log("Txkeys:", txkey, "Payment ID key:", pid_key); - payment_id = this.hex_xor(payment_id, pid_key); - } - var nonce = this.get_payment_id_nonce(payment_id, pid_encrypt); - console.log("Extra nonce: " + nonce); - extra = this.add_nonce_to_extra(extra, nonce); - } - - // for sending to a subaddress, need to generate new tx public key - - //var sub_addr_decoded = this.decode_address(dsts[0].address); // for example dest[0] is subaddress - //txkey.pub = ge_scalarmult(sub_addr_decoded.spend, txkey.sec); - - var tx = { - unlock_time: unlock_time, - version: rct ? CURRENT_TX_VERSION : OLD_TX_VERSION, - extra: extra, - prvkey: '', - vin: [], - vout: [] - }; - if (rct) { - tx.rct_signatures = {}; - } else { - tx.signatures = []; - } - - //tx.extra = this.add_pub_key_to_extra(tx.extra, txkey.pub); - tx.prvkey = txkey.sec; - - var in_contexts = []; - - var is_rct_coinbases = []; // monkey patching to solve problem of - // not being able to spend coinbase ringct txs. - - var inputs_money = JSBigInt.ZERO; - var i, j; - - console.log('Sources: '); - - for (i = 0; i < sources.length; i++) - { - console.log(i + ': ' + this.formatMoneyFull(sources[i].amount)); - if (sources[i].real_out >= sources[i].outputs.length) { - throw "real index >= outputs.length"; - } - inputs_money = inputs_money.add(sources[i].amount); - - // sets res.mask among other things. mask is identity for non-rct transactions - // and for coinbase ringct (type = 0) txs. - var res = this.generate_key_image_helper_rct(keys, sources[i].real_out_tx_key, sources[i].real_out_in_tx, sources[i].mask); //mask will be undefined for non-rct - - in_contexts.push(res.in_ephemeral); - - // now we mark if this is ringct coinbase txs. such transactions - // will have identity mask. Non-ringct txs will have sources[i].mask set to null. - // this only works if beckend will produce masks in get_unspent_outs for - // coinbaser ringct txs. - is_rct_coinbases.push((sources[i].mask ? sources[i].mask === I : 0)); - - - if (res.in_ephemeral.pub !== sources[i].outputs[sources[i].real_out].key) { - throw "in_ephemeral.pub != source.real_out.key"; - } - var input_to_key = {}; - input_to_key.type = "input_to_key"; - input_to_key.amount = sources[i].amount; - input_to_key.k_image = res.image; - input_to_key.key_offsets = []; - for (j = 0; j < sources[i].outputs.length; ++j) { - input_to_key.key_offsets.push(sources[i].outputs[j].index); - } - input_to_key.key_offsets = this.abs_to_rel_offsets(input_to_key.key_offsets); - tx.vin.push(input_to_key); - } - - - // new to sort key_imags and associated variables. - - var ins_order = []; - - for (var i = 0; i < tx.vin.length; i++){ - ins_order.push(i); - } - - // determine indexes which we should sort. - ins_order.sort(function(i0, i1) { - if (tx.vin[i0].k_image < tx.vin[i1].k_image) { - return 1; - } - - if (tx.vin[i0].k_image > tx.vin[i1].k_image) { - return -1; - } - - return 0; - }); - - // sort key images along with rources and contexts. - tx.vin = rearrange(tx.vin , ins_order); - sources = rearrange(sources, ins_order); - in_contexts = rearrange(in_contexts, ins_order); - - - var outputs_money = JSBigInt.ZERO; - var out_index = 0; - var amountKeys = []; //rct only - - for (i = 0; i < dsts.length; ++i) { - - if (new JSBigInt(dsts[i].amount).compare(0) < 0) { - throw "dst.amount < 0"; //amount can be zero if no change - } - - dsts[i].keys = this.decode_address(dsts[i].address); - - if (this.is_subaddress(dsts[i].address)) { - txkey.pub = ge_scalarmult(dsts[i].keys.spend, txkey.sec); - } - - var out_derivation; - - // if destination public view and spend keys matches our own public keys - // we send change to ourself - if (dsts[i].keys.view === keys.view.pub && dsts[i].keys.spend === keys.spend.pub) { - out_derivation = this.generate_key_derivation(txkey.pub, keys.view.sec); - } - else { - out_derivation = this.generate_key_derivation(dsts[i].keys.view, txkey.sec); - } - - if (rct) { - amountKeys.push(this.derivation_to_scalar(out_derivation, out_index)); - } - - var out_ephemeral_pub = this.derive_public_key( - out_derivation, out_index, dsts[i].keys.spend); - - var out = { - amount: dsts[i].amount.toString() - }; - - // txout_to_key - out.target = { - type: "txout_to_key", - key: out_ephemeral_pub - }; - - tx.vout.push(out); - - ++out_index; - - outputs_money = outputs_money.add(dsts[i].amount); - } - - tx.extra = this.add_pub_key_to_extra(tx.extra, txkey.pub); - - if (outputs_money.add(fee_amount).compare(inputs_money) > 0) { - throw "outputs money (" + this.formatMoneyFull(outputs_money) + ") + fee (" + this.formatMoneyFull(fee_amount) + ") > inputs money (" + this.formatMoneyFull(inputs_money) + ")"; - } - - - if (!rct) { - for (i = 0; i < sources.length; ++i) { - var src_keys = []; - for (j = 0; j < sources[i].outputs.length; ++j) { - src_keys.push(sources[i].outputs[j].key); - } - var sigs = this.generate_ring_signature(this.get_tx_prefix_hash(tx), tx.vin[i].k_image, src_keys, - in_contexts[i].sec, sources[i].real_out); - tx.signatures.push(sigs); - } - } else { //rct - var txnFee = fee_amount; - var keyimages = []; - var inSk = []; - var inAmounts = []; - var mixRing = []; - var indices = []; - for (i = 0; i < tx.vin.length; i++) { - keyimages.push(tx.vin[i].k_image); - inSk.push({ - x: in_contexts[i].sec, - a: in_contexts[i].mask - }); - inAmounts.push(tx.vin[i].amount); - - //if (in_contexts[i].mask !== I) {//if input is rct (has a valid mask), 0 out amount - //tx.vin[i].amount = "0"; - //} - - if (in_contexts[i].mask !== I || is_rct_coinbases[i] === true) - { - // if input is rct (has a valid mask), 0 out amount - // coinbase ringct txs also have mask === I, so their amount - // must be set to zero when spending them. - tx.vin[i].amount = "0"; - } - - mixRing[i] = []; - for (j = 0; j < sources[i].outputs.length; j++) { - mixRing[i].push({ - dest: sources[i].outputs[j].key, - mask: sources[i].outputs[j].commit - }); - } - indices.push(sources[i].real_out); - } - var outAmounts = []; - for (i = 0; i < tx.vout.length; i++) { - outAmounts.push(tx.vout[i].amount); - tx.vout[i].amount = "0"; //zero out all rct outputs - } - var tx_prefix_hash = this.get_tx_prefix_hash(tx); - tx.rct_signatures = genRct(tx_prefix_hash, inSk, keyimages, /*destinations, */inAmounts, outAmounts, mixRing, amountKeys, indices, txnFee); - - } - console.log(tx); - return tx; - }; - this.create_transaction = function(pub_keys, sec_keys, dsts, outputs, mix_outs, fake_outputs_count, fee_amount, payment_id, pid_encrypt, realDestViewKey, unlock_time, rct) { - unlock_time = unlock_time || 0; - mix_outs = mix_outs || []; - var i, j; - if (dsts.length === 0) { - throw 'Destinations empty'; - } - if (mix_outs.length !== outputs.length && fake_outputs_count !== 0) { - throw 'Wrong number of mix outs provided (' + outputs.length + ' outputs, ' + mix_outs.length + ' mix outs)'; - } - for (i = 0; i < mix_outs.length; i++) { - if ((mix_outs[i].outputs || []).length < fake_outputs_count) { - throw 'Not enough outputs to mix with'; - } - } - var keys = { - view: { - pub: pub_keys.view, - sec: sec_keys.view - }, - spend: { - pub: pub_keys.spend, - sec: sec_keys.spend - } - }; - if (!this.valid_keys(keys.view.pub, keys.view.sec, keys.spend.pub, keys.spend.sec)) { - throw "Invalid secret keys!"; - } - var needed_money = JSBigInt.ZERO; - for (i = 0; i < dsts.length; ++i) { - needed_money = needed_money.add(dsts[i].amount); - if (needed_money.compare(UINT64_MAX) !== -1) { - throw "Output overflow!"; - } - } - var found_money = JSBigInt.ZERO; - var sources = []; - console.log('Selected transfers: ', outputs); - for (i = 0; i < outputs.length; ++i) { - found_money = found_money.add(outputs[i].amount); - if (found_money.compare(UINT64_MAX) !== -1) { - throw "Input overflow!"; - } - var src = { - outputs: [] - }; - src.amount = new JSBigInt(outputs[i].amount).toString(); - if (mix_outs.length !== 0) { - // Sort fake outputs by global index - mix_outs[i].outputs.sort(function(a, b) { - return new JSBigInt(a.global_index).compare(b.global_index); - }); - j = 0; - while ((src.outputs.length < fake_outputs_count) && (j < mix_outs[i].outputs.length)) { - var out = mix_outs[i].outputs[j]; - if (out.global_index === outputs[i].global_index) { - console.log('got mixin the same as output, skipping'); - j++; - continue; - } - var oe = {}; - oe.index = out.global_index.toString(); - oe.key = out.public_key; - if (rct){ - if (out.rct){ - oe.commit = out.rct.slice(0,64); //add commitment from rct mix outs - } else { - if (outputs[i].rct) {throw "mix rct outs missing commit";} - oe.commit = zeroCommit(d2s(src.amount)); //create identity-masked commitment for non-rct mix input - } - } - src.outputs.push(oe); - j++; - } - } - var real_oe = {}; - real_oe.index = new JSBigInt(outputs[i].global_index || 0).toString(); - real_oe.key = outputs[i].public_key; - if (rct){ - if (outputs[i].rct) { - real_oe.commit = outputs[i].rct.slice(0,64); //add commitment for real input - } else { - real_oe.commit = zeroCommit(d2s(src.amount)); //create identity-masked commitment for non-rct input - } - } - var real_index = src.outputs.length; - for (j = 0; j < src.outputs.length; j++) { - if (new JSBigInt(real_oe.index).compare(src.outputs[j].index) < 0) { - real_index = j; - break; - } - } - // Add real_oe to outputs - src.outputs.splice(real_index, 0, real_oe); - src.real_out_tx_key = outputs[i].tx_pub_key; - // Real output entry index - src.real_out = real_index; - src.real_out_in_tx = outputs[i].index; - if (rct){ - if (outputs[i].rct) { - src.mask = outputs[i].rct.slice(64,128); //encrypted or idenity mask for coinbase txs. - } else { - src.mask = null; //will be set by generate_key_image_helper_rct - } - } - sources.push(src); - } - console.log('sources: ', sources); - var change = { - amount: JSBigInt.ZERO - }; - var cmp = needed_money.compare(found_money); - if (cmp < 0) { - change.amount = found_money.subtract(needed_money); - if (change.amount.compare(fee_amount) !== 0) { - throw "early fee calculation != later"; - } - } else if (cmp > 0) { - throw "Need more money than found! (have: " + cnUtil.formatMoney(found_money) + " need: " + cnUtil.formatMoney(needed_money) + ")"; - } - return this.construct_tx(keys, sources, dsts, fee_amount, payment_id, pid_encrypt, realDestViewKey, unlock_time, rct); - }; - - this.estimateRctSize = function(inputs, mixin, outputs) { - var size = 0; - size += outputs * 6306; - size += ((mixin + 1) * 4 + 32 + 8) * inputs; //key offsets + key image + amount - size += 64 * (mixin + 1) * inputs + 64 * inputs; //signature + pseudoOuts/cc - size += 74; //extra + whatever, assume long payment ID - return size; - }; - - function trimRight(str, char) { - while (str[str.length - 1] == char) str = str.slice(0, -1); - return str; - } - - function padLeft(str, len, char) { - while (str.length < len) { - str = char + str; - } - return str; - } - - this.printDsts = function(dsts) { - for (var i = 0; i < dsts.length; i++) { - console.log(dsts[i].address + ': ' + this.formatMoneyFull(dsts[i].amount)); - } - }; - - this.formatMoneyFull = function(units) { - units = units.toString(); - var symbol = units[0] === '-' ? '-' : ''; - if (symbol === '-') { - units = units.slice(1); - } - var decimal; - if (units.length >= config.coinUnitPlaces) { - decimal = units.substr(units.length - config.coinUnitPlaces, config.coinUnitPlaces); - } else { - decimal = padLeft(units, config.coinUnitPlaces, '0'); - } - return symbol + (units.substr(0, units.length - config.coinUnitPlaces) || '0') + '.' + decimal; - }; - - this.formatMoneyFullSymbol = function(units) { - return this.formatMoneyFull(units) + ' ' + config.coinSymbol; - }; - - this.formatMoney = function(units) { - var f = trimRight(this.formatMoneyFull(units), '0'); - if (f[f.length - 1] === '.') { - return f.slice(0, f.length - 1); - } - return f; - }; - - this.formatMoneySymbol = function(units) { - return this.formatMoney(units) + ' ' + config.coinSymbol; - }; - - this.parseMoney = function(str) { - if (!str) return JSBigInt.ZERO; - var negative = str[0] === '-'; - if (negative) { - str = str.slice(1); - } - var decimalIndex = str.indexOf('.'); - if (decimalIndex == -1) { - if (negative) { - return JSBigInt.multiply(str, config.coinUnits).negate(); - } - return JSBigInt.multiply(str, config.coinUnits); - } - if (decimalIndex + config.coinUnitPlaces + 1 < str.length) { - str = str.substr(0, decimalIndex + config.coinUnitPlaces + 1); - } - if (negative) { - return new JSBigInt(str.substr(0, decimalIndex)).exp10(config.coinUnitPlaces) - .add(new JSBigInt(str.substr(decimalIndex + 1)).exp10(decimalIndex + config.coinUnitPlaces - str.length + 1)).negate; - } - return new JSBigInt(str.substr(0, decimalIndex)).exp10(config.coinUnitPlaces) - .add(new JSBigInt(str.substr(decimalIndex + 1)).exp10(decimalIndex + config.coinUnitPlaces - str.length + 1)); - }; - - this.decompose_amount_into_digits = function(amount) { - /*if (dust_threshold === undefined) { - dust_threshold = config.dustThreshold; - }*/ - amount = amount.toString(); - var ret = []; - while (amount.length > 0) { - //split all the way down since v2 fork - /*var remaining = new JSBigInt(amount); - if (remaining.compare(config.dustThreshold) <= 0) { - if (remaining.compare(0) > 0) { - ret.push(remaining); - } - break; - }*/ - //check so we don't create 0s - if (amount[0] !== "0"){ - var digit = amount[0]; - while (digit.length < amount.length) { - digit += "0"; - } - ret.push(new JSBigInt(digit)); - } - amount = amount.slice(1); - } - return ret; - }; - - this.decompose_tx_destinations = function(dsts, rct) { - var out = []; - if (rct) { - for (var i = 0; i < dsts.length; i++) { - out.push({ - address: dsts[i].address, - amount: dsts[i].amount - }); - } - } else { - for (var i = 0; i < dsts.length; i++) { - var digits = this.decompose_amount_into_digits(dsts[i].amount); - for (var j = 0; j < digits.length; j++) { - if (digits[j].compare(0) > 0) { - out.push({ - address: dsts[i].address, - amount: digits[j] - }); - } - } - } - } - return out.sort(function(a,b){ - return a["amount"] - b["amount"]; - }); - }; - - this.is_tx_unlocked = function(unlock_time, blockchain_height) { - if (!config.maxBlockNumber) { - throw "Max block number is not set in config!"; - } - if (unlock_time < config.maxBlockNumber) { - // unlock time is block height - return blockchain_height >= unlock_time; - } else { - // unlock time is timestamp - var current_time = Math.round(new Date().getTime() / 1000); - return current_time >= unlock_time; - } - }; - - this.tx_locked_reason = function(unlock_time, blockchain_height) { - if (unlock_time < config.maxBlockNumber) { - // unlock time is block height - var numBlocks = unlock_time - blockchain_height; - if (numBlocks <= 0) { - return "Transaction is unlocked"; - } - var unlock_prediction = moment().add(numBlocks * config.avgBlockTime, 'seconds'); - //return "Will be unlocked in " + numBlocks + " blocks, ~" + unlock_prediction.fromNow(true) + ", " + unlock_prediction.calendar() + ""; - return "Will be unlocked in " + numBlocks + " blocks, ~" + unlock_prediction.fromNow(true); - } else { - // unlock time is timestamp - var current_time = Math.round(new Date().getTime() / 1000); - var time_difference = unlock_time - current_time; - if(time_difference <= 0) { - return "Transaction is unlocked"; - } - var unlock_moment = moment(unlock_time * 1000); - //return "Will be unlocked " + unlock_moment.fromNow() + ", " + unlock_moment.calendar(); - return "Will be unlocked " + unlock_moment.fromNow(); - } - }; - - - //decode amount and mask and check against commitment - // from https://xmr.llcoins.net/js/site.js - // from https://xmr.llcoins.net/js/site.js - this.decodeRct = function(rv, i, der){ - var key = derivation_to_scalar(der, i); - var ecdh = decode_rct_ecdh(rv.ecdhInfo[i], key); - //console.log(ecdh); - var Ctmp = commit(ecdh.amount, ecdh.mask); - //console.log(Ctmp); - if (Ctmp !== rv.outPk[i]){ - throw "mismatched commitments!"; - } - ecdh.amount = s2d(ecdh.amount); - return ecdh; - }; - - function assert(stmt, val) { - if (!stmt) { - throw "assert failed" + (val !== undefined ? ': ' + val : ''); - } - } - - return this; -})(config); \ No newline at end of file diff --git a/src/templates/js/crc32.js b/src/templates/js/crc32.js deleted file mode 100755 index 090dc5d..0000000 --- a/src/templates/js/crc32.js +++ /dev/null @@ -1,65 +0,0 @@ -var crc32 = (function () { - 'use strict'; - var crc32 = {}; - - crc32.Utf8Encode = function (string) { - return unescape(encodeURIComponent(string)); - }; - - crc32.run = function (str) { - var crc = new crc32.Type(); - crc.processString(str); - return crc.checksum(); - }; - - crc32.table = [ - 0, 1996959894, 3993919788, 2567524794, 124634137, 1886057615, 3915621685, 2657392035, - 249268274, 2044508324, 3772115230, 2547177864, 162941995, 2125561021, 3887607047, 2428444049, - 498536548, 1789927666, 4089016648, 2227061214, 450548861, 1843258603, 4107580753, 2211677639, - 325883990, 1684777152, 4251122042, 2321926636, 335633487, 1661365465, 4195302755, 2366115317, - 997073096, 1281953886, 3579855332, 2724688242, 1006888145, 1258607687, 3524101629, 2768942443, - 901097722, 1119000684, 3686517206, 2898065728, 853044451, 1172266101, 3705015759, 2882616665, - 651767980, 1373503546, 3369554304, 3218104598, 565507253, 1454621731, 3485111705, 3099436303, - 671266974, 1594198024, 3322730930, 2970347812, 795835527, 1483230225, 3244367275, 3060149565, - 1994146192, 31158534, 2563907772, 4023717930, 1907459465, 112637215, 2680153253, 3904427059, - 2013776290, 251722036, 2517215374, 3775830040, 2137656763, 141376813, 2439277719, 3865271297, - 1802195444, 476864866, 2238001368, 4066508878, 1812370925, 453092731, 2181625025, 4111451223, - 1706088902, 314042704, 2344532202, 4240017532, 1658658271, 366619977, 2362670323, 4224994405, - 1303535960, 984961486, 2747007092, 3569037538, 1256170817, 1037604311, 2765210733, 3554079995, - 1131014506, 879679996, 2909243462, 3663771856, 1141124467, 855842277, 2852801631, 3708648649, - 1342533948, 654459306, 3188396048, 3373015174, 1466479909, 544179635, 3110523913, 3462522015, - 1591671054, 702138776, 2966460450, 3352799412, 1504918807, 783551873, 3082640443, 3233442989, - 3988292384, 2596254646, 62317068, 1957810842, 3939845945, 2647816111, 81470997, 1943803523, - 3814918930, 2489596804, 225274430, 2053790376, 3826175755, 2466906013, 167816743, 2097651377, - 4027552580, 2265490386, 503444072, 1762050814, 4150417245, 2154129355, 426522225, 1852507879, - 4275313526, 2312317920, 282753626, 1742555852, 4189708143, 2394877945, 397917763, 1622183637, - 3604390888, 2714866558, 953729732, 1340076626, 3518719985, 2797360999, 1068828381, 1219638859, - 3624741850, 2936675148, 906185462, 1090812512, 3747672003, 2825379669, 829329135, 1181335161, - 3412177804, 3160834842, 628085408, 1382605366, 3423369109, 3138078467, 570562233, 1426400815, - 3317316542, 2998733608, 733239954, 1555261956, 3268935591, 3050360625, 752459403, 1541320221, - 2607071920, 3965973030, 1969922972, 40735498, 2617837225, 3943577151, 1913087877, 83908371, - 2512341634, 3803740692, 2075208622, 213261112, 2463272603, 3855990285, 2094854071, 198958881, - 2262029012, 4057260610, 1759359992, 534414190, 2176718541, 4139329115, 1873836001, 414664567, - 2282248934, 4279200368, 1711684554, 285281116, 2405801727, 4167216745, 1634467795, 376229701, - 2685067896, 3608007406, 1308918612, 956543938, 2808555105, 3495958263, 1231636301, 1047427035, - 2932959818, 3654703836, 1088359270, 936918000, 2847714899, 3736837829, 1202900863, 817233897, - 3183342108, 3401237130, 1404277552, 615818150, 3134207493, 3453421203, 1423857449, 601450431, - 3009837614, 3294710456, 1567103746, 711928724, 3020668471, 3272380065, 1510334235, 755167117 - ]; - crc32.Type = function () { - this.rem_ = 0xFFFFFFFF; - this.checksum = function () { - return ((this.rem_ ^ 0xFFFFFFFF) >>> 0); - }; - this.processString = function (str) { - str = crc32.Utf8Encode(str); - for (var i = 0; i < str.length; i++) { - var byte_index = ((str.charCodeAt(i) ^ this.rem_) >>> 0) & 0xFF; - this.rem_ = ((this.rem_ >>> 8) ^ crc32.table[byte_index]) >>> 0; - } - }; - return this; - }; - - return crc32; -})(); diff --git a/src/templates/js/crypto.js b/src/templates/js/crypto.js deleted file mode 100755 index a096a5a..0000000 --- a/src/templates/js/crypto.js +++ /dev/null @@ -1,22 +0,0 @@ -var Module;if(!Module)Module=(typeof Module!=="undefined"?Module:null)||{};var moduleOverrides={};for(var key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}var ENVIRONMENT_IS_NODE=typeof process==="object"&&typeof require==="function";var ENVIRONMENT_IS_WEB=typeof window==="object";var ENVIRONMENT_IS_WORKER=typeof importScripts==="function";var ENVIRONMENT_IS_SHELL=!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_NODE&&!ENVIRONMENT_IS_WORKER;if(ENVIRONMENT_IS_NODE){if(!Module["print"])Module["print"]=function print(x){process["stdout"].write(x+"\n")};if(!Module["printErr"])Module["printErr"]=function printErr(x){process["stderr"].write(x+"\n")};var nodeFS=require("fs");var nodePath=require("path");Module["read"]=function read(filename,binary){filename=nodePath["normalize"](filename);var ret=nodeFS["readFileSync"](filename);if(!ret&&filename!=nodePath["resolve"](filename)){filename=path.join(__dirname,"..","src",filename);ret=nodeFS["readFileSync"](filename)}if(ret&&!binary)ret=ret.toString();return ret};Module["readBinary"]=function readBinary(filename){return Module["read"](filename,true)};Module["load"]=function load(f){globalEval(read(f))};Module["thisProgram"]=process["argv"][1].replace(/\\/g,"/");Module["arguments"]=process["argv"].slice(2);if(typeof module!=="undefined"){module["exports"]=Module}}else if(ENVIRONMENT_IS_SHELL){if(!Module["print"])Module["print"]=print;if(typeof printErr!="undefined")Module["printErr"]=printErr;if(typeof read!="undefined"){Module["read"]=read}else{Module["read"]=function read(){throw"no read() available (jsc?)"}}Module["readBinary"]=function readBinary(f){return read(f,"binary")};if(typeof scriptArgs!="undefined"){Module["arguments"]=scriptArgs}else if(typeof arguments!="undefined"){Module["arguments"]=arguments}this["Module"]=Module}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){Module["read"]=function read(url){var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.send(null);return xhr.responseText};if(typeof arguments!="undefined"){Module["arguments"]=arguments}if(typeof console!=="undefined"){if(!Module["print"])Module["print"]=function print(x){console.log(x)};if(!Module["printErr"])Module["printErr"]=function printErr(x){console.log(x)}}else{var TRY_USE_DUMP=false;if(!Module["print"])Module["print"]=TRY_USE_DUMP&&typeof dump!=="undefined"?(function(x){dump(x)}):(function(x){})}if(ENVIRONMENT_IS_WEB){window["Module"]=Module}else{Module["load"]=importScripts}}else{throw"Unknown runtime environment. Where are we?"}function globalEval(x){eval.call(null,x)}if(!Module["load"]=="undefined"&&Module["read"]){Module["load"]=function load(f){globalEval(Module["read"](f))}}if(!Module["print"]){Module["print"]=(function(){})}if(!Module["printErr"]){Module["printErr"]=Module["print"]}if(!Module["arguments"]){Module["arguments"]=[]}if(!Module["thisProgram"]){Module["thisProgram"]="./this.program"}Module.print=Module["print"];Module.printErr=Module["printErr"];Module["preRun"]=[];Module["postRun"]=[];for(var key in moduleOverrides){if(moduleOverrides.hasOwnProperty(key)){Module[key]=moduleOverrides[key]}}var Runtime={setTempRet0:(function(value){tempRet0=value}),getTempRet0:(function(){return tempRet0}),stackSave:(function(){return STACKTOP}),stackRestore:(function(stackTop){STACKTOP=stackTop}),forceAlign:(function(target,quantum){quantum=quantum||4;if(quantum==1)return target;if(isNumber(target)&&isNumber(quantum)){return Math.ceil(target/quantum)*quantum}else if(isNumber(quantum)&&isPowerOfTwo(quantum)){return"((("+target+")+"+(quantum-1)+")&"+ -quantum+")"}return"Math.ceil(("+target+")/"+quantum+")*"+quantum}),isNumberType:(function(type){return type in Runtime.INT_TYPES||type in Runtime.FLOAT_TYPES}),isPointerType:function isPointerType(type){return type[type.length-1]=="*"},isStructType:function isStructType(type){if(isPointerType(type))return false;if(isArrayType(type))return true;if(/?/.test(type))return true;return type[0]=="%"},INT_TYPES:{"i1":0,"i8":0,"i16":0,"i32":0,"i64":0},FLOAT_TYPES:{"float":0,"double":0},or64:(function(x,y){var l=x|0|(y|0);var h=(Math.round(x/4294967296)|Math.round(y/4294967296))*4294967296;return l+h}),and64:(function(x,y){var l=(x|0)&(y|0);var h=(Math.round(x/4294967296)&Math.round(y/4294967296))*4294967296;return l+h}),xor64:(function(x,y){var l=(x|0)^(y|0);var h=(Math.round(x/4294967296)^Math.round(y/4294967296))*4294967296;return l+h}),getNativeTypeSize:(function(type){switch(type){case"i1":case"i8":return 1;case"i16":return 2;case"i32":return 4;case"i64":return 8;case"float":return 4;case"double":return 8;default:{if(type[type.length-1]==="*"){return Runtime.QUANTUM_SIZE}else if(type[0]==="i"){var bits=parseInt(type.substr(1));assert(bits%8===0);return bits/8}else{return 0}}}}),getNativeFieldSize:(function(type){return Math.max(Runtime.getNativeTypeSize(type),Runtime.QUANTUM_SIZE)}),dedup:function dedup(items,ident){var seen={};if(ident){return items.filter((function(item){if(seen[item[ident]])return false;seen[item[ident]]=true;return true}))}else{return items.filter((function(item){if(seen[item])return false;seen[item]=true;return true}))}},set:function set(){var args=typeof arguments[0]==="object"?arguments[0]:arguments;var ret={};for(var i=0;i=0){diffs.push(curr-prev)}prev=curr;return curr}));if(type.name_&&type.name_[0]==="["){type.flatSize=parseInt(type.name_.substr(1))*type.flatSize/2}type.flatSize=Runtime.alignMemory(type.flatSize,type.alignSize);if(diffs.length==0){type.flatFactor=type.flatSize}else if(Runtime.dedup(diffs).length==1){type.flatFactor=diffs[0]}type.needsFlattening=type.flatFactor!=1;return type.flatIndexes},generateStructInfo:(function(struct,typeName,offset){var type,alignment;if(typeName){offset=offset||0;type=(typeof Types==="undefined"?Runtime.typeInfo:Types.types)[typeName];if(!type)return null;if(type.fields.length!=struct.length){printErr("Number of named fields must match the type for "+typeName+": possibly duplicate struct names. Cannot return structInfo");return null}alignment=type.flatIndexes}else{var type={fields:struct.map((function(item){return item[0]}))};alignment=Runtime.calculateStructAlignment(type)}var ret={__size__:type.flatSize};if(typeName){struct.forEach((function(item,i){if(typeof item==="string"){ret[item]=alignment[i]+offset}else{var key;for(var k in item)key=k;ret[key]=Runtime.generateStructInfo(item[key],type.fields[i],alignment[i])}}))}else{struct.forEach((function(item,i){ret[item[1]]=alignment[i]}))}return ret}),dynCall:(function(sig,ptr,args){if(args&&args.length){if(!args.splice)args=Array.prototype.slice.call(args);args.splice(0,0,ptr);return Module["dynCall_"+sig].apply(null,args)}else{return Module["dynCall_"+sig].call(null,ptr)}}),functionPointers:[],addFunction:(function(func){for(var i=0;i0)return""}var c1=buffer[0];var c2=buffer[1];var c3=buffer[2];var c4=buffer[3];var ret;if(buffer.length==2){ret=String.fromCharCode((c1&31)<<6|c2&63)}else if(buffer.length==3){ret=String.fromCharCode((c1&15)<<12|(c2&63)<<6|c3&63)}else{var codePoint=(c1&7)<<18|(c2&63)<<12|(c3&63)<<6|c4&63;ret=String.fromCharCode(Math.floor((codePoint-65536)/1024)+55296,(codePoint-65536)%1024+56320)}buffer.length=0;return ret});this.processJSString=function processJSString(string){string=unescape(encodeURIComponent(string));var ret=[];for(var i=0;i=TOTAL_MEMORY)enlargeMemory();return ret}),alignMemory:(function(size,quantum){var ret=size=Math.ceil(size/(quantum?quantum:8))*(quantum?quantum:8);return ret}),makeBigInt:(function(low,high,unsigned){var ret=unsigned?+(low>>>0)+ +(high>>>0)*+4294967296:+(low>>>0)+ +(high|0)*+4294967296;return ret}),GLOBAL_BASE:8,QUANTUM_SIZE:4,__dummy__:0};Module["Runtime"]=Runtime;function getSafeHeapType(bytes,isFloat){switch(bytes){case 1:return"i8";case 2:return"i16";case 4:return isFloat?"float":"i32";case 8:return"double";default:assert(0)}}function SAFE_HEAP_STORE(dest,value,bytes,isFloat){if(dest<=0)abort("segmentation fault storing "+bytes+" bytes to address "+dest);if(dest%bytes!==0)abort("alignment error storing to address "+dest+", which was expected to be aligned to a multiple of "+bytes);if(dest+bytes>Math.max(DYNAMICTOP,STATICTOP))abort("segmentation fault, exceeded the top of the available heap when storing "+bytes+" bytes to address "+dest+". STATICTOP="+STATICTOP+", DYNAMICTOP="+DYNAMICTOP);assert(DYNAMICTOP<=TOTAL_MEMORY);setValue(dest,value,getSafeHeapType(bytes,isFloat),1)}function SAFE_HEAP_LOAD(dest,bytes,isFloat,unsigned){if(dest<=0)abort("segmentation fault loading "+bytes+" bytes from address "+dest);if(dest%bytes!==0)abort("alignment error loading from address "+dest+", which was expected to be aligned to a multiple of "+bytes);if(dest+bytes>Math.max(DYNAMICTOP,STATICTOP))abort("segmentation fault, exceeded the top of the available heap when loading "+bytes+" bytes from address "+dest+". STATICTOP="+STATICTOP+", DYNAMICTOP="+DYNAMICTOP);assert(DYNAMICTOP<=TOTAL_MEMORY);var type=getSafeHeapType(bytes,isFloat);var ret=getValue(dest,type,1);if(unsigned)ret=unSign(ret,parseInt(type.substr(1)),1);return ret}function SAFE_FT_MASK(value,mask){var ret=value&mask;if(ret!==value){abort("Function table mask error: function pointer is "+value+" which is masked by "+mask+", the likely cause of this is that the function pointer is being called by the wrong type.")}return ret}var __THREW__=0;var ABORT=false;var EXITSTATUS=0;var undef=0;var tempValue,tempInt,tempBigInt,tempInt2,tempBigInt2,tempPair,tempBigIntI,tempBigIntR,tempBigIntS,tempBigIntP,tempBigIntD,tempDouble,tempFloat;var tempI64,tempI64b;var tempRet0,tempRet1,tempRet2,tempRet3,tempRet4,tempRet5,tempRet6,tempRet7,tempRet8,tempRet9;function assert(condition,text){if(!condition){abort("Assertion failed: "+text)}}var globalScope=this;function getCFunc(ident){var func=Module["_"+ident];if(!func){try{func=eval("_"+ident)}catch(e){}}assert(func,"Cannot call unknown function "+ident+" (perhaps LLVM optimizations or closure removed it?)");return func}var cwrap,ccall;((function(){var stack=0;var JSfuncs={"stackSave":(function(){stack=Runtime.stackSave()}),"stackRestore":(function(){Runtime.stackRestore(stack)}),"arrayToC":(function(arr){var ret=Runtime.stackAlloc(arr.length);writeArrayToMemory(arr,ret);return ret}),"stringToC":(function(str){var ret=0;if(str!==null&&str!==undefined&&str!==0){ret=Runtime.stackAlloc(str.length+1);writeStringToMemory(str,ret)}return ret})};var toC={"string":JSfuncs["stringToC"],"array":JSfuncs["arrayToC"]};ccall=function ccallFunc(ident,returnType,argTypes,args){var func=getCFunc(ident);var cArgs=[];if(args){for(var i=0;i>0]=value;break;case"i8":HEAP8[ptr>>0]=value;break;case"i16":HEAP16[ptr>>1]=value;break;case"i32":HEAP32[ptr>>2]=value;break;case"i64":tempI64=[value>>>0,(tempDouble=value,+Math_abs(tempDouble)>=+1?tempDouble>+0?(Math_min(+Math_floor(tempDouble/+4294967296),+4294967295)|0)>>>0:~~+Math_ceil((tempDouble- +(~~tempDouble>>>0))/+4294967296)>>>0:0)],HEAP32[ptr>>2]=tempI64[0],HEAP32[ptr+4>>2]=tempI64[1];break;case"float":HEAPF32[ptr>>2]=value;break;case"double":HEAPF64[ptr>>3]=value;break;default:abort("invalid type for setValue: "+type)}}else{switch(type){case"i1":SAFE_HEAP_STORE(ptr|0,value|0,1,0)|0;break;case"i8":SAFE_HEAP_STORE(ptr|0,value|0,1,0)|0;break;case"i16":SAFE_HEAP_STORE(ptr|0,value|0,2,0)|0;break;case"i32":SAFE_HEAP_STORE(ptr|0,value|0,4,0)|0;break;case"i64":tempI64=[value>>>0,(tempDouble=value,+Math_abs(tempDouble)>=+1?tempDouble>+0?(Math_min(+Math_floor(tempDouble/+4294967296),+4294967295)|0)>>>0:~~+Math_ceil((tempDouble- +(~~tempDouble>>>0))/+4294967296)>>>0:0)],SAFE_HEAP_STORE(ptr|0,tempI64[0]|0,4,0)|0,SAFE_HEAP_STORE(ptr+4|0,tempI64[1]|0,4,0)|0;break;case"float":+SAFE_HEAP_STORE(ptr|0,+value,4,1);break;case"double":+SAFE_HEAP_STORE(ptr|0,+value,8,1);break;default:abort("invalid type for setValue: "+type)}}}Module["setValue"]=setValue;function getValue(ptr,type,noSafe){type=type||"i8";if(type.charAt(type.length-1)==="*")type="i32";if(noSafe){switch(type){case"i1":return HEAP8[ptr>>0];case"i8":return HEAP8[ptr>>0];case"i16":return HEAP16[ptr>>1];case"i32":return HEAP32[ptr>>2];case"i64":return HEAP32[ptr>>2];case"float":return HEAPF32[ptr>>2];case"double":return HEAPF64[ptr>>3];default:abort("invalid type for setValue: "+type)}}else{switch(type){case"i1":return SAFE_HEAP_LOAD(ptr|0,1,0,0)|0;case"i8":return SAFE_HEAP_LOAD(ptr|0,1,0,0)|0;case"i16":return SAFE_HEAP_LOAD(ptr|0,2,0,0)|0;case"i32":return SAFE_HEAP_LOAD(ptr|0,4,0,0)|0;case"i64":return SAFE_HEAP_LOAD(ptr|0,8,0,0)|0;case"float":return+SAFE_HEAP_LOAD(ptr|0,4,1,0);case"double":return+SAFE_HEAP_LOAD(ptr|0,8,1,0);default:abort("invalid type for setValue: "+type)}}return null}Module["getValue"]=getValue;var ALLOC_NORMAL=0;var ALLOC_STACK=1;var ALLOC_STATIC=2;var ALLOC_DYNAMIC=3;var ALLOC_NONE=4;Module["ALLOC_NORMAL"]=ALLOC_NORMAL;Module["ALLOC_STACK"]=ALLOC_STACK;Module["ALLOC_STATIC"]=ALLOC_STATIC;Module["ALLOC_DYNAMIC"]=ALLOC_DYNAMIC;Module["ALLOC_NONE"]=ALLOC_NONE;function allocate(slab,types,allocator,ptr){var zeroinit,size;if(typeof slab==="number"){zeroinit=true;size=slab}else{zeroinit=false;size=slab.length}var singleType=typeof types==="string"?types:null;var ret;if(allocator==ALLOC_NONE){ret=ptr}else{ret=[_malloc,Runtime.stackAlloc,Runtime.staticAlloc,Runtime.dynamicAlloc][allocator===undefined?ALLOC_STATIC:allocator](Math.max(size,singleType?1:types.length))}if(zeroinit){var ptr=ret,stop;assert((ret&3)==0);stop=ret+(size&~3);for(;ptr>2]=0}stop=ret+size;while(ptr>0]=0}return ret}if(singleType==="i8"){if(slab.subarray||slab.slice){HEAPU8.set(slab,ret)}else{HEAPU8.set(new Uint8Array(slab),ret)}return ret}var i=0,type,typeSize,previousType;while(i=128)hasUtf=true;else if(t==0&&!length)break;i++;if(length&&i==length)break}if(!length)length=i;var ret="";if(!hasUtf){var MAX_CHUNK=1024;var curr;while(length>0){curr=String.fromCharCode.apply(String,HEAPU8.subarray(ptr,ptr+Math.min(length,MAX_CHUNK)));ret=ret?ret+curr:curr;ptr+=MAX_CHUNK;length-=MAX_CHUNK}return ret}var utf8=new Runtime.UTF8Processor;for(i=0;i=65536){var ch=utf32-65536;str+=String.fromCharCode(55296|ch>>10,56320|ch&1023)}else{str+=String.fromCharCode(utf32)}}}Module["UTF32ToString"]=UTF32ToString;function stringToUTF32(str,outPtr){var iChar=0;for(var iCodeUnit=0;iCodeUnit=55296&&codeUnit<=57343){var trailSurrogate=str.charCodeAt(++iCodeUnit);codeUnit=65536+((codeUnit&1023)<<10)|trailSurrogate&1023}SAFE_HEAP_STORE(outPtr+iChar*4|0,codeUnit|0,4,0)|0;++iChar}SAFE_HEAP_STORE(outPtr+iChar*4|0,0|0,4,0)|0}Module["stringToUTF32"]=stringToUTF32;function demangle(func){var hasLibcxxabi=!!Module["___cxa_demangle"];if(hasLibcxxabi){try{var buf=_malloc(func.length);writeStringToMemory(func.substr(1),buf);var status=_malloc(4);var ret=Module["___cxa_demangle"](buf,0,0,status);if(getValue(status,"i32")===0&&ret){return Pointer_stringify(ret)}}catch(e){}finally{if(buf)_free(buf);if(status)_free(status);if(ret)_free(ret)}}var i=3;var basicTypes={"v":"void","b":"bool","c":"char","s":"short","i":"int","l":"long","f":"float","d":"double","w":"wchar_t","a":"signed char","h":"unsigned char","t":"unsigned short","j":"unsigned int","m":"unsigned long","x":"long long","y":"unsigned long long","z":"..."};var subs=[];var first=true;function dump(x){if(x)Module.print(x);Module.print(func);var pre="";for(var a=0;a"}else{ret=name}paramLoop:while(i0){var c=func[i++];if(c in basicTypes){list.push(basicTypes[c])}else{switch(c){case"P":list.push(parse(true,1,true)[0]+"*");break;case"R":list.push(parse(true,1,true)[0]+"&");break;case"L":{i++;var end=func.indexOf("E",i);var size=end-i;list.push(func.substr(i,size));i+=size+2;break};case"A":{var size=parseInt(func.substr(i));i+=size.toString().length;if(func[i]!=="_")throw"?";i++;list.push(parse(true,1,true)[0]+" ["+size+"]");break};case"E":break paramLoop;default:ret+="?"+c;break paramLoop}}}if(!allowVoid&&list.length===1&&list[0]==="void")list=[];if(rawList){if(ret){list.push(ret+"?")}return list}else{return ret+flushList()}}var final=func;try{if(func=="Object._main"||func=="_main"){return"main()"}if(typeof func==="number")func=Pointer_stringify(func);if(func[0]!=="_")return func;if(func[1]!=="_")return func;if(func[2]!=="Z")return func;switch(func[3]){case"n":return"operator new()";case"d":return"operator delete()"}final=parse()}catch(e){final+="?"}if(final.indexOf("?")>=0&&!hasLibcxxabi){Runtime.warnOnce("warning: a problem occurred in builtin C++ name demangling; build with -s DEMANGLE_SUPPORT=1 to link in libcxxabi demangling")}return final}function demangleAll(text){return text.replace(/__Z[\w\d_]+/g,(function(x){var y=demangle(x);return x===y?x:x+" ["+y+"]"}))}function jsStackTrace(){var err=new Error;if(!err.stack){try{throw new Error(0)}catch(e){err=e}if(!err.stack){return"(no stack trace available)"}}return err.stack.toString()}function stackTrace(){return demangleAll(jsStackTrace())}Module["stackTrace"]=stackTrace;var PAGE_SIZE=4096;function alignMemoryPage(x){return x+4095&-4096}var HEAP;var HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;var STATIC_BASE=0,STATICTOP=0,staticSealed=false;var STACK_BASE=0,STACKTOP=0,STACK_MAX=0;var DYNAMIC_BASE=0,DYNAMICTOP=0;function enlargeMemory(){abort("Cannot enlarge memory arrays. 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Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(__ATPRERUN__)}function ensureInitRuntime(){if(runtimeInitialized)return;runtimeInitialized=true;callRuntimeCallbacks(__ATINIT__)}function preMain(){callRuntimeCallbacks(__ATMAIN__)}function exitRuntime(){callRuntimeCallbacks(__ATEXIT__);runtimeExited=true}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(__ATPOSTRUN__)}function addOnPreRun(cb){__ATPRERUN__.unshift(cb)}Module["addOnPreRun"]=Module.addOnPreRun=addOnPreRun;function addOnInit(cb){__ATINIT__.unshift(cb)}Module["addOnInit"]=Module.addOnInit=addOnInit;function addOnPreMain(cb){__ATMAIN__.unshift(cb)}Module["addOnPreMain"]=Module.addOnPreMain=addOnPreMain;function addOnExit(cb){__ATEXIT__.unshift(cb)}Module["addOnExit"]=Module.addOnExit=addOnExit;function addOnPostRun(cb){__ATPOSTRUN__.unshift(cb)}Module["addOnPostRun"]=Module.addOnPostRun=addOnPostRun;function intArrayFromString(stringy,dontAddNull,length){var ret=(new Runtime.UTF8Processor).processJSString(stringy);if(length){ret.length=length}if(!dontAddNull){ret.push(0)}return ret}Module["intArrayFromString"]=intArrayFromString;function intArrayToString(array){var ret=[];for(var i=0;i255){chr&=255}ret.push(String.fromCharCode(chr))}return ret.join("")}Module["intArrayToString"]=intArrayToString;function writeStringToMemory(string,buffer,dontAddNull){var array=intArrayFromString(string,dontAddNull);var i=0;while(i=0){return value}return bits<=32?2*Math.abs(1<=half&&(bits<=32||value>half)){value=-2*half+value}return value}if(!Math["imul"]||Math["imul"](4294967295,5)!==-5)Math["imul"]=function imul(a,b){var ah=a>>>16;var al=a&65535;var bh=b>>>16;var bl=b&65535;return al*bl+(ah*bl+al*bh<<16)|0};Math.imul=Math["imul"];var Math_abs=Math.abs;var Math_cos=Math.cos;var Math_sin=Math.sin;var Math_tan=Math.tan;var Math_acos=Math.acos;var Math_asin=Math.asin;var Math_atan=Math.atan;var Math_atan2=Math.atan2;var Math_exp=Math.exp;var Math_log=Math.log;var Math_sqrt=Math.sqrt;var Math_ceil=Math.ceil;var Math_floor=Math.floor;var Math_pow=Math.pow;var Math_imul=Math.imul;var Math_fround=Math.fround;var Math_min=Math.min;var runDependencies=0;var runDependencyWatcher=null;var dependenciesFulfilled=null;function addRunDependency(id){runDependencies++;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}}Module["addRunDependency"]=addRunDependency;function removeRunDependency(id){runDependencies--;if(Module["monitorRunDependencies"]){Module["monitorRunDependencies"](runDependencies)}if(runDependencies==0){if(runDependencyWatcher!==null){clearInterval(runDependencyWatcher);runDependencyWatcher=null}if(dependenciesFulfilled){var 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memoryInitializer=null;STATIC_BASE=8;STATICTOP=STATIC_BASE+Runtime.alignMemory(32659);__ATINIT__.push();allocate([40,102,101,95,97,100,100,40,121,44,32,119,44,32,120,41,44,32,33,102,101,95,105,115,110,111,110,122,101,114,111,40,121,41,41,0,0,0,0,0,47,104,111,109,101,47,108,117,99,97,115,47,116,104,105,110,45,119,97,108,108,101,116,47,99,114,121,112,116,111,45,111,112,115,46,99,0,0,0,0,103,101,95,102,114,111,109,102,101,95,102,114,111,109,98,121,116,101,115,95,118,97,114,116,105,109,101,0,0,0,0,0,102,101,95,105,115,110,111,110,122,101,114,111,40,114,45,62,88,41,0,0,0,0,0,0,33,102,101,95,105,115,110,111,110,122,101,114,111,40,99,104,101,99,107,95,118,41,0,0,40,40,40,98,32,45,32,49,41,32,38,32,126,98,41,32,124,32,40,40,98,32,45,32,50,41,32,38,32,126,40,98,32,45,32,49,41,41,41,32,61,61,32,40,117,110,115,105,103,110,101,100,32,105,110,116,41,32,45,49,0,0,0,0,102,101,95,99,109,111,118,0,182,120,89,255,133,114,211,0,189,110,21,255,15,10,106,0,41,192,1,0,152,232,121,255,188,60,160,255,153,113,206,255,0,183,226,254,180,13,72,255,176,160,14,254,211,201,134,255,158,24,143,0,127,105,53,0,96,12,189,0,167,215,251,255,159,76,128,254,106,101,225,255,30,252,4,0,146,12,174,0,89,241,178,254,10,229,166,255,123,221,42,254,30,20,212,0,82,128,3,0,48,209,243,0,119,121,64,255,50,227,156,255,0,110,197,1,103,27,144,0,133,59,140,1,189,241,36,255,248,37,195,1,96,220,55,0,183,76,62,255,195,66,61,0,50,76,164,1,225,164,76,255,76,61,163,255,117,62,31,0,81,145,64,255,118,65,14,0,162,115,214,255,6,138,46,0,124,230,244,255,10,138,143,0,52,26,194,0,184,244,76,0,129,143,41,1,190,244,19,255,123,170,122,255,98,129,68,0,121,213,147,0,86,101,30,255,161,103,155,0,140,89,67,255,239,229,190,1,67,11,181,0,198,240,137,254,238,69,188,255,234,113,60,255,37,255,57,255,69,178,182,254,128,208,179,0,118,26,125,254,3,7,214,255,241,50,77,255,85,203,197,255,211,135,250,255,25,48,100,255,187,213,180,254,17,88,105,0,83,209,158,1,5,115,98,0,4,174,60,254,171,55,110,255,217,181,17,255,20,188,170,0,146,156,102,254,87,214,174,255,114,122,155,1,233,44,170,0,127,8,239,1,214,236,234,0,175,5,219,0,49,106,61,255,6,66,208,255,2,106,110,255,81,234,19,255,215,107,192,255,67,151,238,0,19,42,108,255,229,85,113,1,50,68,135,255,17,106,9,0,50,103,1,255,80,1,168,1,35,152,30,255,16,168,185,1,56,89,232,255,101,210,252,0,41,250,71,0,204,170,79,255,14,46,239,255,80,77,239,0,189,214,75,255,17,141,249,0,38,80,76,255,190,85,117,0,86,228,170,0,156,216,208,1,195,207,164,255,150,66,76,255,175,225,16,255,141,80,98,1,76,219,242,0,198,162,114,0,46,218,152,0,155,43,241,254,155,160,104,255,178,9,252,254,100,110,212,0,14,5,167,0,233,239,163,255,28,151,157,1,101,146,10,255,254,158,70,254,71,249,228,0,88,30,50,0,68,58,160,255,191,24,104,1,129,66,129,255,192,50,85,255,8,179,138,255,38,250,201,0,115,80,160,0,131,230,113,0,125,88,147,0,90,68,199,0,253,76,158,0,28,255,118,0,113,250,254,0,66,75,46,0,230,218,43,0,229,120,186,1,148,68,43,0,136,124,238,1,187,107,197,255,84,53,246,255,51,116,254,255,51,187,165,0,2,17,175,0,66,84,160,1,247,58,30,0,35,65,53,254,69,236,191,0,45,134,245,1,163,123,221,0,32,110,20,255,52,23,165,0,186,214,71,0,233,176,96,0,242,239,54,1,57,89,138,0,83,0,84,255,136,160,100,0,92,142,120,254,104,124,190,0,181,177,62,255,250,41,85,0,152,130,42,1,96,252,246,0,151,151,63,254,239,133,62,0,32,56,156,0,45,167,189,255,142,133,179,1,131,86,211,0,187,179,150,254,250,170,14,255,68,113,21,255,222,186,59,255,66,7,241,1,69,6,72,0,86,156,108,254,55,167,89,0,109,52,219,254,13,176,23,255,196,44,106,255,239,149,71,255,164,140,125,255,159,173,1,0,51,41,231,0,145,62,33,0,138,111,93,1,185,83,69,0,144,115,46,0,97,151,16,255,24,228,26,0,49,217,226,0,113,75,234,254,193,153,12,255,182,48,96,255,14,13,26,0,128,195,249,254,69,193,59,0,132,37,81,254,125,106,60,0,214,240,169,1,164,227,66,0,210,163,78,0,37,52,151,0,99,77,26,0,238,156,213,255,213,192,209,1,73,46,84,0,20,65,41,1,54,206,79,0,201,131,146,254,170,111,24,255,177,33,50,254,171,38,203,255,78,247,116,0,209,221,153,0,133,128,178,1,58,44,25,0,201,39,59,1,189,19,252,0,49,229,210,1,117,187,117,0,181,179,184,1,0,114,219,0,48,94,147,0,245,41,56,0,125,13,204,254,244,173,119,0,44,221,32,254,84,234,20,0,249,160,198,1,236,126,234,255,143,62,221,0,129,89,214,255,55,139,5,254,68,20,191,255,14,204,178,1,35,195,217,0,47,51,206,1,38,246,165,0,206,27,6,254,158,87,36,0,217,52,146,255,125,123,215,255,85,60,31,255,171,13,7,0,218,245,88,254,252,35,60,0,55,214,160,255,133,101,56,0,224,32,19,254,147,64,234,0,26,145,162,1,114,118,125,0,248,252,250,0,101,94,196,255,198,141,226,254,51,42,182,0,135,12,9,254,109,172,210,255,197,236,194,1,241,65,154,0,48,156,47,255,153,67,55,255,218,165,34,254,74,180,179,0,218,66,71,1,88,122,99,0,212,181,219,255,92,42,231,255,239,0,154,0,245,77,183,255,94,81,170,1,18,213,216,0,171,93,71,0,52,94,248,0,18,151,161,254,197,209,66,255,174,244,15,254,162,48,183,0,49,61,240,254,182,93,195,0,199,228,6,1,200,5,17,255,137,45,237,255,108,148,4,0,90,79,237,255,39,63,77,255,53,82,207,1,142,22,118,255,101,232,18,1,92,26,67,0,5,200,88,255,33,168,138,255,149,225,72,0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,1,211,167,254,0,44,6,202,254,120,18,236,255,15,113,184,255,184,223,139],"i8",ALLOC_NONE,Runtime.GLOBAL_BASE);allocate([40,177,119,254,182,123,90,255,176,165,176,0,247,77,194,0,27,234,120,0,231,0,214,255,59,39,30,0,125,99,145,255,150,68,68,1,141,222,248,0,153,123,210,255,110,127,152,255,229,33,214,1,135,221,197,0,137,97,2,0,12,143,204,255,81,41,188,0,115,79,130,255,94,3,132,0,152,175,187,255,124,141,10,255,126,192,179,255,11,103,198,0,149,6,45,0,219,85,187,1,230,18,178,255,72,182,152,0,3,198,184,255,128,112,224,1,97,161,230,0,254,99,38,255,58,159,197,0,151,66,219,0,59,69,143,255,185,112,249,0,119,136,47,255,123,130,132,0,168,71,95,255,113,176,40,1,232,185,173,0,207,93,117,1,68,157,108,255,102,5,147,254,49,97,33,0,89,65,111,254,247,30,163,255,124,217,221,1,102,250,216,0,198,174,75,254,57,55,18,0,227,5,236,1,229,213,173,0,201,109,218,1,49,233,239,0,30,55,158,1,25,178,106,0,155,111,188,1,94,126,140,0,215,31,238,1,77,240,16,0,213,242,25,1,38,71,168,0,205,186,93,254,49,211,140,255,219,0,180,255,134,118,165,0,160,147,134,255,110,186,35,255,198,243,42,0,243,146,119,0,134,235,163,1,4,241,135,255,193,46,193,254,103,180,79,255,225,4,184,254,242,118,130,0,146,135,176,1,234,111,30,0,69,66,213,254,41,96,123,0,121,94,42,255,178,191,195,255,46,130,42,0,117,84,8,255,233,49,214,254,238,122,109,0,6,71,89,1,236,211,123,0,244,13,48,254,119,148,14,0,114,28,86,255,75,237,25,255,145,229,16,254,129,100,53,255,134,150,120,254,168,157,50,0,23,72,104,255,224,49,14,0,255,123,22,255,151,185,151,255,170,80,184,1,134,182,20,0,41,100,101,1,153,33,16,0,76,154,111,1,86,206,234,255,192,160,164,254,165,123,93,255,1,216,164,254,67,17,175,255,169,11,59,255,158,41,61,255,73,188,14,255,195,6,137,255,22,147,29,255,20,103,3,255,246,130,227,255,122,40,128,0,226,47,24,254,35,36,32,0,152,186,183,255,69,202,20,0,195,133,195,0,222,51,247,0,169,171,94,1,183,0,160,255,64,205,18,1,156,83,15,255,197,58,249,254,251,89,110,255,50,10,88,254,51,43,216,0,98,242,198,1,245,151,113,0,171,236,194,1,197,31,199,255,229,81,38,1,41,59,20,0,253,104,230,0,152,93,14,255,246,242,146,254,214,169,240,255,240,102,108,254,160,167,236,0,154,218,188,0,150,233,202,255,27,19,250,1,2,71,133,255,175,12,63,1,145,183,198,0,104,120,115,255,130,251,247,0,17,212,167,255,62,123,132,255,247,100,189,0,155,223,152,0,143,197,33,0,155,59,44,255,150,93,240,1,127,3,87,255,95,71,207,1,167,85,1,255,188,152,116,255,10,23,23,0,137,195,93,1,54,98,97,0,240,0,168,255,148,188,127,0,134,107,151,0,76,253,171,0,90,132,192,0,146,22,54,0,224,66,54,254,230,186,229,255,39,182,196,0,148,251,130,255,65,131,108,254,128,1,160,0,169,49,167,254,199,254,148,255,251,6,131,0,187,254,129,255,85,82,62,0,178,23,58,255,254,132,5,0,164,213,39,0,134,252,146,254,37,53,81,255,155,134,82,0,205,167,238,255,94,45,180,255,132,40,161,0,254,111,112,1,54,75,217,0,179,230,221,1,235,94,191,255,23,243,48,1,202,145,203,255,39,118,42,255,117,141,253,0,254,0,222,0,43,251,50,0,54,169,234,1,80,68,208,0,148,203,243,254,145,7,135,0,6,254,0,0,252,185,127,0,98,8,129,255,38,35,72,255,211,36,220,1,40,26,89,0,168,64,197,254,3,222,239,255,2,83,215,254,180,159,105,0,58,115,194,0,186,116,106,255,229,247,219,255,129,118,193,0,202,174,183,1,166,161,72,0,201,107,147,254,237,136,74,0,233,230,106,1,105,111,168,0,64,224,30,1,1,229,3,0,102,151,175,255,194,238,228,255,254,250,212,0,187,237,121,0,67,251,96,1,197,30,11,0,183,95,204,0,205,89,138,0,64,221,37,1,255,223,30,255,178,48,211,255,241,200,90,255,167,209,96,255,57,130,221,0,46,114,200,255,61,184,66,0,55,182,24,254,110,182,33,0,171,190,232,255,114,94,31,0,18,221,8,0,47,231,254,0,255,112,83,0,118,15,215,255,173,25,40,254,192,193,31,255,238,21,146,255,171,193,118,255,101,234,53,254,131,212,112,0,89,192,107,1,8,208,27,0,181,217,15,255,231,149,232,0,140,236,126,0,144,9,199,255,12,79,181,254,147,182,202,255,19,109,182,255,49,212,225,0,74,163,203,0,175,233,148,0,26,112,51,0,193,193,9,255,15,135,249,0,150,227,130,0,204,0,219,1,24,242,205,0,238,208,117,255,22,244,112,0,26,229,34,0,37,80,188,255,38,45,206,254,240,90,225,255,29,3,47,255,42,224,76,0,186,243,167,0,32,132,15,255,5,51,125,0,139,135,24,0,6,241,219,0,172,229,133,255,246,214,50,0,231,11,207,255,191,126,83,1,180,163,170,255,245,56,24,1,178,164,211,255,3,16,202,1,98,57,118,255,141,131,89,254,33,51,24,0,243,149,91,255,253,52,14,0,35,169,67,254,49,30,88,255,179,27,36,255,165,140,183,0,58,189,151,0,88,31,0,0,75,169,66,0,66,101,199,255,24,216,199,1,121,196,26,255,14,79,203,254,240,226,81,255,94,28,10,255,83,193,240,255,204,193,131,255,94,15,86,0,218,40,157,0,51,193,209,0,0,242,177,0,102,185,247,0,158,109,116,0,38,135,91,0,223,175,149,0,220,66,1,255,86,60,232,0,25,96,37,255,225,122,162,1,215,187,168,255,158,157,46,0,56,171,162,0,232,240,101,1,122,22,9,0,51,9,21,255,53,25,238,255,217,30,232,254,125,169,148,0,13,232,102,0,148,9,37,0,165,97,141,1,228,131,41,0,222,15,243,255,254,18,17,0,6,60,237,1,106,3,113,0,59,132,189,0,92,112,30,0,105,208,213,0,48,84,179,255,187,121,231,254,27,216,109,255,162,221,107,254,73,239,195,255,250,31,57,255,149,135,89,255,185,23,115,1,3,16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55,196,5,52,0,72,172,242,255,126,22,157,255,146,96,59,255,162,121,152,254,140,16,95,0,195,254,200,254,82,150,162,0,119,43,145,254,204,172,78,255,166,224,159,0,104,19,237,255,245,126,208,255,226,59,213,0,117,217,197,0,152,72,237],"i8",ALLOC_NONE,Runtime.GLOBAL_BASE+10240);allocate([220,31,23,254,14,90,231,255,188,212,64,1,60,101,246,255,85,24,86,0,1,177,109,0,146,83,32,1,75,182,192,0,119,241,224,0,185,237,27,255,184,101,82,1,235,37,77,255,253,134,19,0,232,246,122,0,60,106,179,0,195,11,12,0,109,66,235,1,125,113,59,0,61,40,164,0,175,104,240,0,2,47,187,255,50,12,141,0,194,139,181,255,135,250,104,0,97,92,222,255,217,149,201,255,203,241,118,255,79,151,67,0,122,142,218,255,149,245,239,0,138,42,200,254,80,37,97,255,124,112,167,255,36,138,87,255,130,29,147,255,241,87,78,255,204,97,19,1,177,209,22,255,247,227,127,254,99,119,83,255,212,25,198,1,16,179,179,0,145,77,172,254,89,153,14,255,218,189,167,0,107,233,59,255,35,33,243,254,44,112,112,255,161,127,79,1,204,175,10,0,40,21,138,254,104,116,228,0,199,95,137,255,133,190,168,255,146,165,234,1,183,99,39,0,183,220,54,254,255,222,133,0,162,219,121,254,63,239,6,0,225,102,54,255,251,18,246,0,4,34,129,1,135,36,131,0,206,50,59,1,15,97,183,0,171,216,135,255,101,152,43,255,150,251,91,0,38,145,95,0,34,204,38,254,178,140,83,255,25,129,243,255,76,144,37,0,106,36,26,254,118,144,172,255,68,186,229,255,107,161,213,255,46,163,68,255,149,170,253,0,187,17,15,0,218,160,165,255,171,35,246,1,96,13,19,0,165,203,117,0,214,107,192,255,244,123,177,1,100,3,104,0,178,242,97,255,251,76,130,255,211,77,42,1,250,79,70,255,63,244,80,1,105,101,246,0,61,136,58,1,238,91,213,0,14,59,98,255,167,84,77,0,17,132,46,254,57,175,197,255,185,62,184,0,76,64,207,0,172,175,208,254,175,74,37,0,138,27,211,254,148,125,194,0,10,89,81,0,168,203,101,255,43,213,209,1,235,245,54,0,30,35,226,255,9,126,70,0,226,125,94,254,156,117,20,255,57,248,112,1,230,48,64,255,164,92,166,1,224,214,230,255,36,120,143,0,55,8,43,255,251,1,245,1,106,98,165,0,74,107,106,254,53,4,54,255,90,178,150,1,3,120,123,255,244,5,89,1,114,250,61,255,254,153,82,1,77,15,17,0,57,238,90,1,95,223,230,0,236,52,47,254,103,148,164,255,121,207,36,1,18,16,185,255,75,20,74,0,187,11,101,0,46,48,129,255,22,239,210,255,77,236,129,255,111,77,204,255,61,72,97,255,199,217,251,255,42,215,204,0,133,145,201,255,57,230,146,1,235,100,198,0,146,73,35,254,108,198,20,255,182,79,210,255,82,103,136,0,246,108,176,0,34,17,60,255,19,74,114,254,168,170,78,255,157,239,20,255,149,41,168,0,58,121,28,0,79,179,134,255,231,121,135,255,174,209,98,255,243,122,190,0,171,166,205,0,212,116,48,0,29,108,66,255,162,222,182,1,14,119,21,0,213,39,249,255,254,223,228,255,183,165,198,0,133,190,48,0,124,208,109,255,119,175,85,255,9,209,121,1,48,171,189,255,195,71,134,1,136,219,51,255,182,91,141,254,49,159,72,0,35,118,245,255,112,186,227,255,59,137,31,0,137,44,163,0,114,103,60,254,8,213,150,0,162,10,113,255,194,104,72,0,220,131,116,255,178,79,92,0,203,250,213,254,93,193,189,255,130,255,34,254,212,188,151,0,136,17,20,255,20,101,83,255,212,206,166,0,229,238,73,255,151,74,3,255,168,87,215,0,155,188,133,255,166,129,73,0,240,79,133,255,178,211,81,255,203,72,163,254,193,168,165,0,14,164,199,254,30,255,204,0,65,72,91,1,166,74,102,255,200,42,0,255,194,113,227,255,66,23,208,0,229,216,100,255,24,239,26,0,10,233,62,255,123,10,178,1,26,36,174,255,119,219,199,1,45,163,190,0,16,168,42,0,166,57,198,255,28,26,26,0,126,165,231,0,251,108,100,255,61,229,121,255,58,118,138,0,76,207,17,0,13,34,112,254,89,16,168,0,37,208,105,255,35,201,215,255,40,106,101,254,6,239,114,0,40,103,226,254,246,127,110,255,63,167,58,0,132,240,142,0,5,158,88,255,129,73,158,255,94,89,146,0,230,54,146,0,8,45,173,0,79,169,1,0,115,186,247,0,84,64,131,0,67,224,253,255,207,189,64,0,154,28,81,1,45,184,54,255,87,212,224,255,0,96,73,255,129,33,235,1,52,66,80,255,251,174,155,255,4,179,37,0,234,164,93,254,93,175,253,0,198,69,87,255,224,106,46,0,99,29,210,0,62,188,114,255,44,234,8,0,169,175,247,255,23,109,137,255,229,182,39,0,192,165,94,254,245,101,217,0,191,88,96,0,196,94,99,255,106,238,11,254,53,126,243,0,94,1,101,255,46,147,2,0,201,124,124,255,141,12,218,0,13,166,157,1,48,251,237,255,155,250,124,255,106,148,146,255,182,13,202,0,28,61,167,0,217,152,8,254,220,130,45,255,200,230,255,1,55,65,87,255,93,191,97,254,114,251,14,0,32,105,92,1,26,207,141,0,24,207,13,254,21,50,48,255,186,148,116,255,211,43,225,0,37,34,162,254,164,210,42,255,68,23,96,255,182,214,8,255,245,117,137,255,66,195,50,0,75,12,83,254,80,140,164,0,9,165,36,1,228,110,227,0,241,17,90,1,25,52,212,0,6,223,12,255,139,243,57,0,12,113,75,1,246,183,191,255,213,191,69,255,230,15,142,0,1,195,196,255,138,171,47,255,64,63,106,1,16,169,214,255,207,174,56,1,88,73,133,255,182,133,140,0,177,14,25,255,147,184,53,255,10,227,161,255,120,216,244,255,73,77,233,0,157,238,139,1,59,65,233,0,70,251,216,1,41,184,153,255,32,203,112,0,146,147,253,0,87,101,109,1,44,82,133,255,244,150,53,255,94,152,232,255,59,93,39,255,88,147,220,255,78,81,13,1,32,47,252,255,160,19,114,255,93,107,39,255,118,16,211,1,185,119,209,255,227,219,127,254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254,218,69,50,0,236,56,161,1,213,131,42,0,138,145,44,254,136,229,40,255,49,63,35,255,61,145,245,255,101,192,2,254,232,167,113,0,152,104,38,1,121,185,218,0,121,139,211,254,119,240,35,0,65,189,217,254,187,179,162,255,160,187,230,0,62,248,14,255,60,78,97,0,255,247,163,255,225,59,91,255,107,71,58,255,241,47,33,1,50,117,236,0,219,177,63,254,244,90,179,0,35,194,215,255,189,67,50,255,23,135,129,0,104,189,37,255,185,57,194,0,35,62,231,255,220,248,108,0,12,231,178,0,143,80,91,1,131,93,101,255,144,39,2,1,255,250,178],"i8",ALLOC_NONE,Runtime.GLOBAL_BASE+20480);allocate([5,17,236,254,139,32,46,0,204,188,38,254,245,115,52,255,191,113,73,254,191,108,69,255,22,69,245,1,23,203,178,0,170,99,170,0,65,248,111,0,37,108,153,255,64,37,69,0,0,88,62,254,89,148,144,255,191,68,224,1,241,39,53,0,41,203,237,255,145,126,194,255,221,42,253,255,25,99,151,0,97,253,223,1,74,115,49,255,6,175,72,255,59,176,203,0,124,183,249,1,228,228,99,0,129,12,207,254,168,192,195,255,204,176,16,254,152,234,171,0,77,37,85,255,33,120,135,255,142,194,227,1,31,214,58,0,213,187,125,255,232,46,60,255,190,116,42,254,151,178,19,255,51,62,237,254,204,236,193,0,194,232,60,0,172,34,157,255,189,16,184,254,103,3,95,255,141,233,36,254,41,25,11,255,21,195,166,0,118,245,45,0,67,213,149,255,159,12,18,255,187,164,227,1,160,25,5,0,12,78,195,1,43,197,225,0,48,142,41,254,196,155,60,255,223,199,18,1,145,136,156,0,252,117,169,254,145,226,238,0,239,23,107,0,109,181,188,255,230,112,49,254,73,170,237,255,231,183,227,255,80,220,20,0,194,107,127,1,127,205,101,0,46,52,197,1,210,171,36,255,88,3,90,255,56,151,141,0,96,187,255,255,42,78,200,0,254,70,70,1,244,125,168,0,204,68,138,1,124,215,70,0,102,66,200,254,17,52,228,0,117,220,143,254,203,248,123,0,56,18,174,255,186,151,164,255,51,232,208,1,160,228,43,255,249,29,25,1,68,190,63,0,133,59,140,1,189,241,36,255,248,37,195,1,96,220,55,0,183,76,62,255,195,66,61,0,50,76,164,1,225,164,76,255,76,61,163,255,117,62,31,0,81,145,64,255,118,65,14,0,162,115,214,255,6,138,46,0,124,230,244,255,10,138,143,0,52,26,194,0,184,244,76,0,129,143,41,1,190,244,19,255,123,170,122,255,98,129,68,0,121,213,147,0,86,101,30,255,161,103,155,0,140,89,67,255,239,229,190,1,67,11,181,0,198,240,137,254,238,69,188,255,67,151,238,0,19,42,108,255,229,85,113,1,50,68,135,255,17,106,9,0,50,103,1,255,80,1,168,1,35,152,30,255,16,168,185,1,56,89,232,255,101,210,252,0,41,250,71,0,204,170,79,255,14,46,239,255,80,77,239,0,189,214,75,255,17,141,249,0,38,80,76,255,190,85,117,0,86,228,170,0,156,216,208,1,195,207,164,255,150,66,76,255,175,225,16,255,141,80,98,1,76,219,242,0,198,162,114,0,46,218,152,0,155,43,241,254,155,160,104,255,51,187,165,0,2,17,175,0,66,84,160,1,247,58,30,0,35,65,53,254,69,236,191,0,45,134,245,1,163,123,221,0,32,110,20,255,52,23,165,0,186,214,71,0,233,176,96,0,242,239,54,1,57,89,138,0,83,0,84,255,136,160,100,0,92,142,120,254,104,124,190,0,181,177,62,255,250,41,85,0,152,130,42,1,96,252,246,0,151,151,63,254,239,133,62,0,32,56,156,0,45,167,189,255,142,133,179,1,131,86,211,0,187,179,150,254,250,170,14,255,210,163,78,0,37,52,151,0,99,77,26,0,238,156,213,255,213,192,209,1,73,46,84,0,20,65,41,1,54,206,79,0,201,131,146,254,170,111,24,255,177,33,50,254,171,38,203,255,78,247,116,0,209,221,153,0,133,128,178,1,58,44,25,0,201,39,59,1,189,19,252,0,49,229,210,1,117,187,117,0,181,179,184,1,0,114,219,0,48,94,147,0,245,41,56,0,125,13,204,254,244,173,119,0,44,221,32,254,84,234,20,0,249,160,198,1,236,126,234,255,47,99,168,254,170,226,153,255,102,179,216,0,226,141,122,255,122,66,153,254,182,245,134,0,227,228,25,1,214,57,235,255,216,173,56,255,181,231,210,0,119,128,157,255,129,95,136,255,110,126,51,0,2,169,183,255,7,130,98,254,69,176,94,255,116,4,227,1,217,242,145,255,202,173,31,1,105,1,39,255,46,175,69,0,228,47,58,255,215,224,69,254,207,56,69,255,16,254,139,255,23,207,212,255,202,20,126,255,95,213,96,255,9,176,33,0,200,5,207,255,241,42,128,254,35,33,192,255,248,229,196,1,129,17,120,0,251,103,151,255,7,52,112,255,140,56,66,255,40,226,245,255,217,70,37,254,172,214,9,255,72,67,134,1,146,192,214,255,44,38,112,0,68,184,75,255,206,90,251,0,149,235,141,0,181,170,58,0,116,244,239,0,92,157,2,0,102,173,98,0,233,137,96,1,127,49,203,0,5,155,148,0,23,148,9,255,211,122,12,0,34,134,26,255,219,204,136,0,134,8,41,255,224,83,43,254,85,25,247,0,109,127,0,254,169,136,48,0,238,119,219,255,231,173,213,0,206,18,254,254,8,186,7,255,126,9,7,1,111,42,72,0,111,52,236,254,96,63,141,0,147,191,127,254,205,78,192,255,14,106,237,1,187,219,76,0,175,243,187,254,105,89,173,0,85,25,89,1,162,243,148,0,2,118,209,254,33,158,9,0,139,163,46,255,93,70,40,0,108,42,142,254,111,252,142,255,155,223,144,0,51,229,167,255,73,252,155,255,94,116,12,255,152,160,218,255,156,238,37,255,179,234,207,255,197,0,179,255,154,164,141,0,225,196,104,0,10,35,25,254,209,212,242,255,97,253,222,254,184,101,229,0,222,18,127,1,164,136,135,255,30,207,140,254,146,97,243,0,129,192,26,254,201,84,33,255,111,10,78,255,147,81,178,255,4,4,24,0,161,238,215,255,6,141,33,0,53,215,14,255,41,181,208,255,231,139,157,0,179,203,221,255,255,185,113,0,189,226,172,255,113,66,214,255,202,62,45,255,102,64,8,255,78,174,16,254,133,117,68,255,220,227,61,255,55,242,255,255,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,250,146,248,255,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,66,28,254,77,93,218,255,85,164,113,254,84,201,69,255,19,80,70,255,228,25,251,255,161,155,226,0,21,228,98,255,98,173,253,254,240,199,249,255,243,154,124,0,216,32,153,255,92,250,251,254,184,34,48,0,13,120,71,1,190,95,22,0,224,219,40,254,59,210,158,255,163,69,160,0,120,24,52,255,121,44,48,255,198,97,223,0,3,43,69,0,178,44,117,0,253,147,0,1,237,162,13,255,32,32,163,254,19,247,29,255,33,76,209,0,68,40,157,255,134,145,179,254,238,64,70,255,168,48,73,1,250,9,69,0,240,27,185,255,47,67,247,0,63,68,122,0,216,36,127,255,126,6,49,0,204,15,105,0,1,0,0,0,0,0,0,0,130,128,0,0,0,0,0,0,138,128,0,0,0,0,0,128,0,128,0,128,0,0,0,128,139,128,0,0,0,0,0,0,1,0,0,128,0,0,0,0,129,128,0,128,0,0,0,128,9,128,0,0,0,0,0,128,138,0,0,0,0,0,0,0,136,0,0,0,0,0,0,0,9,128,0,128,0,0,0,0,10,0,0,128,0,0,0,0,139,128,0,128,0,0,0,0,139,0,0,0,0,0,0,128,137,128,0,0,0,0,0,128,3,128,0,0,0,0,0,128,2,128,0,0,0,0,0,128,128,0,0,0,0,0,0,128,10,128,0,0,0,0,0,0,10,0,0,128,0,0,0,128,129,128,0,128,0,0,0,128,128,128,0,0,0,0,0,128,1,0,0,128,0,0,0,0,8,128,0,128,0,0,0,128,1,0,0,0,3,0,0,0,6,0,0,0,10,0,0,0,15,0,0,0,21,0,0,0,28,0,0,0,36,0,0,0,45,0,0,0,55,0,0,0,2,0,0,0,14,0,0,0,27,0,0,0,41,0,0,0,56,0,0,0,8,0,0,0,25,0,0,0,43,0,0,0,62,0,0,0,18,0,0,0,39,0,0,0,61,0,0,0,20,0,0,0,44,0,0,0,10,0,0,0,7,0,0,0,11,0,0,0,17,0,0,0,18,0,0,0,3,0,0,0,5,0,0,0,16,0,0,0,8,0,0,0,21,0,0,0,24,0,0,0,4,0,0,0,15,0,0,0,23,0,0,0,19,0,0,0,13,0,0,0,12,0,0,0,2,0,0,0,20,0,0,0,14,0,0,0,22,0,0,0,9,0,0,0,6,0,0,0,1,0,0,0],"i8",ALLOC_NONE,Runtime.GLOBAL_BASE+30720);var tempDoublePtr=Runtime.alignMemory(allocate(12,"i8",ALLOC_STATIC),8);assert(tempDoublePtr%8==0);function copyTempFloat(ptr){HEAP8[tempDoublePtr]=HEAP8[ptr];HEAP8[tempDoublePtr+1]=HEAP8[ptr+1];HEAP8[tempDoublePtr+2]=HEAP8[ptr+2];HEAP8[tempDoublePtr+3]=HEAP8[ptr+3]}function copyTempDouble(ptr){HEAP8[tempDoublePtr]=HEAP8[ptr];HEAP8[tempDoublePtr+1]=HEAP8[ptr+1];HEAP8[tempDoublePtr+2]=HEAP8[ptr+2];HEAP8[tempDoublePtr+3]=HEAP8[ptr+3];HEAP8[tempDoublePtr+4]=HEAP8[ptr+4];HEAP8[tempDoublePtr+5]=HEAP8[ptr+5];HEAP8[tempDoublePtr+6]=HEAP8[ptr+6];HEAP8[tempDoublePtr+7]=HEAP8[ptr+7]}Module["_bitshift64Ashr"]=_bitshift64Ashr;function _malloc(bytes){var ptr=Runtime.dynamicAlloc(bytes+8);return ptr+8&4294967288}Module["_malloc"]=_malloc;Module["_i64Subtract"]=_i64Subtract;function ___assert_fail(condition,filename,line,func){ABORT=true;throw"Assertion failed: "+Pointer_stringify(condition)+", at: "+[filename?Pointer_stringify(filename):"unknown filename",line,func?Pointer_stringify(func):"unknown function"]+" at "+stackTrace()}Module["_i64Add"]=_i64Add;Module["_memset"]=_memset;Module["_bitshift64Lshr"]=_bitshift64Lshr;function _free(){}Module["_free"]=_free;Module["_bitshift64Shl"]=_bitshift64Shl;var ERRNO_CODES={EPERM:1,ENOENT:2,ESRCH:3,EINTR:4,EIO:5,ENXIO:6,E2BIG:7,ENOEXEC:8,EBADF:9,ECHILD:10,EAGAIN:11,EWOULDBLOCK:11,ENOMEM:12,EACCES:13,EFAULT:14,ENOTBLK:15,EBUSY:16,EEXIST:17,EXDEV:18,ENODEV:19,ENOTDIR:20,EISDIR:21,EINVAL:22,ENFILE:23,EMFILE:24,ENOTTY:25,ETXTBSY:26,EFBIG:27,ENOSPC:28,ESPIPE:29,EROFS:30,EMLINK:31,EPIPE:32,EDOM:33,ERANGE:34,ENOMSG:42,EIDRM:43,ECHRNG:44,EL2NSYNC:45,EL3HLT:46,EL3RST:47,ELNRNG:48,EUNATCH:49,ENOCSI:50,EL2HLT:51,EDEADLK:35,ENOLCK:37,EBADE:52,EBADR:53,EXFULL:54,ENOANO:55,EBADRQC:56,EBADSLT:57,EDEADLOCK:35,EBFONT:59,ENOSTR:60,ENODATA:61,ETIME:62,ENOSR:63,ENONET:64,ENOPKG:65,EREMOTE:66,ENOLINK:67,EADV:68,ESRMNT:69,ECOMM:70,EPROTO:71,EMULTIHOP:72,EDOTDOT:73,EBADMSG:74,ENOTUNIQ:76,EBADFD:77,EREMCHG:78,ELIBACC:79,ELIBBAD:80,ELIBSCN:81,ELIBMAX:82,ELIBEXEC:83,ENOSYS:38,ENOTEMPTY:39,ENAMETOOLONG:36,ELOOP:40,EOPNOTSUPP:95,EPFNOSUPPORT:96,ECONNRESET:104,ENOBUFS:105,EAFNOSUPPORT:97,EPROTOTYPE:91,ENOTSOCK:88,ENOPROTOOPT:92,ESHUTDOWN:108,ECONNREFUSED:111,EADDRINUSE:98,ECONNABORTED:103,ENETUNREACH:101,ENETDOWN:100,ETIMEDOUT:110,EHOSTDOWN:112,EHOSTUNREACH:113,EINPROGRESS:115,EALREADY:114,EDESTADDRREQ:89,EMSGSIZE:90,EPROTONOSUPPORT:93,ESOCKTNOSUPPORT:94,EADDRNOTAVAIL:99,ENETRESET:102,EISCONN:106,ENOTCONN:107,ETOOMANYREFS:109,EUSERS:87,EDQUOT:122,ESTALE:116,ENOTSUP:95,ENOMEDIUM:123,EILSEQ:84,EOVERFLOW:75,ECANCELED:125,ENOTRECOVERABLE:131,EOWNERDEAD:130,ESTRPIPE:86};var ERRNO_MESSAGES={0:"Success",1:"Not super-user",2:"No such file or directory",3:"No such process",4:"Interrupted system call",5:"I/O error",6:"No such device or address",7:"Arg list too long",8:"Exec format error",9:"Bad file number",10:"No children",11:"No more processes",12:"Not enough core",13:"Permission denied",14:"Bad address",15:"Block device required",16:"Mount device busy",17:"File exists",18:"Cross-device link",19:"No such device",20:"Not a directory",21:"Is a directory",22:"Invalid argument",23:"Too many open files in system",24:"Too many open files",25:"Not a typewriter",26:"Text file busy",27:"File too large",28:"No space left on device",29:"Illegal seek",30:"Read only file system",31:"Too many links",32:"Broken pipe",33:"Math arg out of domain of func",34:"Math result not representable",35:"File locking deadlock error",36:"File or path name too long",37:"No record locks available",38:"Function not implemented",39:"Directory not empty",40:"Too many symbolic links",42:"No message of desired type",43:"Identifier removed",44:"Channel number out of range",45:"Level 2 not synchronized",46:"Level 3 halted",47:"Level 3 reset",48:"Link number out of range",49:"Protocol driver not attached",50:"No CSI structure available",51:"Level 2 halted",52:"Invalid exchange",53:"Invalid request descriptor",54:"Exchange full",55:"No anode",56:"Invalid request code",57:"Invalid slot",59:"Bad font file fmt",60:"Device not a stream",61:"No data (for no delay io)",62:"Timer expired",63:"Out of streams resources",64:"Machine is not on the network",65:"Package not installed",66:"The object is remote",67:"The link has been severed",68:"Advertise error",69:"Srmount error",70:"Communication error on send",71:"Protocol error",72:"Multihop attempted",73:"Cross mount point (not really error)",74:"Trying to read unreadable message",75:"Value too large for defined data type",76:"Given log. name not unique",77:"f.d. invalid for this operation",78:"Remote address changed",79:"Can access a needed shared lib",80:"Accessing a corrupted shared lib",81:".lib section in a.out corrupted",82:"Attempting to link in too many libs",83:"Attempting to exec a shared library",84:"Illegal byte sequence",86:"Streams pipe error",87:"Too many users",88:"Socket operation on non-socket",89:"Destination address required",90:"Message too long",91:"Protocol wrong type for socket",92:"Protocol not available",93:"Unknown protocol",94:"Socket type not supported",95:"Not supported",96:"Protocol family not supported",97:"Address family not supported by protocol family",98:"Address already in use",99:"Address not available",100:"Network interface is not configured",101:"Network is unreachable",102:"Connection reset by network",103:"Connection aborted",104:"Connection reset by peer",105:"No buffer space available",106:"Socket is already connected",107:"Socket is not connected",108:"Can't send after socket shutdown",109:"Too many references",110:"Connection timed out",111:"Connection refused",112:"Host is down",113:"Host is unreachable",114:"Socket already connected",115:"Connection already in progress",116:"Stale file handle",122:"Quota exceeded",123:"No medium (in tape drive)",125:"Operation canceled",130:"Previous owner died",131:"State not recoverable"};var ___errno_state=0;function ___setErrNo(value){SAFE_HEAP_STORE(___errno_state|0,value|0,4,0)|0;return value}var TTY={ttys:[],init:(function(){}),shutdown:(function(){}),register:(function(dev,ops){TTY.ttys[dev]={input:[],output:[],ops:ops};FS.registerDevice(dev,TTY.stream_ops)}),stream_ops:{open:(function(stream){var tty=TTY.ttys[stream.node.rdev];if(!tty){throw new FS.ErrnoError(ERRNO_CODES.ENODEV)}stream.tty=tty;stream.seekable=false}),close:(function(stream){if(stream.tty.output.length){stream.tty.ops.put_char(stream.tty,10)}}),read:(function(stream,buffer,offset,length,pos){if(!stream.tty||!stream.tty.ops.get_char){throw new FS.ErrnoError(ERRNO_CODES.ENXIO)}var bytesRead=0;for(var i=0;inode.contents.length){node.contents=MEMFS.getFileDataAsRegularArray(node);node.usedBytes=node.contents.length}if(!node.contents||node.contents.subarray){var prevCapacity=node.contents?node.contents.buffer.byteLength:0;if(prevCapacity>=newCapacity)return;var CAPACITY_DOUBLING_MAX=1024*1024;newCapacity=Math.max(newCapacity,prevCapacity*(prevCapacity0)node.contents.set(oldContents.subarray(0,node.usedBytes),0);return}if(!node.contents&&newCapacity>0)node.contents=[];while(node.contents.lengthnewSize)node.contents.length=newSize;else while(node.contents.length=stream.node.usedBytes)return 0;var size=Math.min(stream.node.usedBytes-position,length);assert(size>=0);if(size>8&&contents.subarray){buffer.set(contents.subarray(position,position+size),offset)}else{for(var i=0;i0||position+lengthe2.timestamp){create.push(key);total++}}));var remove=[];Object.keys(dst.entries).forEach((function(key){var e=dst.entries[key];var e2=src.entries[key];if(!e2){remove.push(key);total++}}));if(!total){return callback(null)}var errored=false;var completed=0;var db=src.type==="remote"?src.db:dst.db;var transaction=db.transaction([IDBFS.DB_STORE_NAME],"readwrite");var store=transaction.objectStore(IDBFS.DB_STORE_NAME);function done(err){if(err){if(!done.errored){done.errored=true;return callback(err)}return}if(++completed>=total){return callback(null)}}transaction.onerror=(function(){done(this.error)});create.sort().forEach((function(path){if(dst.type==="local"){IDBFS.loadRemoteEntry(store,path,(function(err,entry){if(err)return done(err);IDBFS.storeLocalEntry(path,entry,done)}))}else{IDBFS.loadLocalEntry(path,(function(err,entry){if(err)return done(err);IDBFS.storeRemoteEntry(store,path,entry,done)}))}}));remove.sort().reverse().forEach((function(path){if(dst.type==="local"){IDBFS.removeLocalEntry(path,done)}else{IDBFS.removeRemoteEntry(store,path,done)}}))})};var NODEFS={isWindows:false,staticInit:(function(){NODEFS.isWindows=!!process.platform.match(/^win/)}),mount:(function(mount){assert(ENVIRONMENT_IS_NODE);return NODEFS.createNode(null,"/",NODEFS.getMode(mount.opts.root),0)}),createNode:(function(parent,name,mode,dev){if(!FS.isDir(mode)&&!FS.isFile(mode)&&!FS.isLink(mode)){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}var node=FS.createNode(parent,name,mode);node.node_ops=NODEFS.node_ops;node.stream_ops=NODEFS.stream_ops;return node}),getMode:(function(path){var stat;try{stat=fs.lstatSync(path);if(NODEFS.isWindows){stat.mode=stat.mode|(stat.mode&146)>>1}}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}return stat.mode}),realPath:(function(node){var parts=[];while(node.parent!==node){parts.push(node.name);node=node.parent}parts.push(node.mount.opts.root);parts.reverse();return PATH.join.apply(null,parts)}),flagsToPermissionStringMap:{0:"r",1:"r+",2:"r+",64:"r",65:"r+",66:"r+",129:"rx+",193:"rx+",514:"w+",577:"w",578:"w+",705:"wx",706:"wx+",1024:"a",1025:"a",1026:"a+",1089:"a",1090:"a+",1153:"ax",1154:"ax+",1217:"ax",1218:"ax+",4096:"rs",4098:"rs+"},flagsToPermissionString:(function(flags){if(flags in NODEFS.flagsToPermissionStringMap){return NODEFS.flagsToPermissionStringMap[flags]}else{return flags}}),node_ops:{getattr:(function(node){var path=NODEFS.realPath(node);var stat;try{stat=fs.lstatSync(path)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}if(NODEFS.isWindows&&!stat.blksize){stat.blksize=4096}if(NODEFS.isWindows&&!stat.blocks){stat.blocks=(stat.size+stat.blksize-1)/stat.blksize|0}return{dev:stat.dev,ino:stat.ino,mode:stat.mode,nlink:stat.nlink,uid:stat.uid,gid:stat.gid,rdev:stat.rdev,size:stat.size,atime:stat.atime,mtime:stat.mtime,ctime:stat.ctime,blksize:stat.blksize,blocks:stat.blocks}}),setattr:(function(node,attr){var path=NODEFS.realPath(node);try{if(attr.mode!==undefined){fs.chmodSync(path,attr.mode);node.mode=attr.mode}if(attr.timestamp!==undefined){var date=new Date(attr.timestamp);fs.utimesSync(path,date,date)}if(attr.size!==undefined){fs.truncateSync(path,attr.size)}}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),lookup:(function(parent,name){var path=PATH.join2(NODEFS.realPath(parent),name);var mode=NODEFS.getMode(path);return NODEFS.createNode(parent,name,mode)}),mknod:(function(parent,name,mode,dev){var node=NODEFS.createNode(parent,name,mode,dev);var path=NODEFS.realPath(node);try{if(FS.isDir(node.mode)){fs.mkdirSync(path,node.mode)}else{fs.writeFileSync(path,"",{mode:node.mode})}}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}return node}),rename:(function(oldNode,newDir,newName){var oldPath=NODEFS.realPath(oldNode);var newPath=PATH.join2(NODEFS.realPath(newDir),newName);try{fs.renameSync(oldPath,newPath)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),unlink:(function(parent,name){var path=PATH.join2(NODEFS.realPath(parent),name);try{fs.unlinkSync(path)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),rmdir:(function(parent,name){var path=PATH.join2(NODEFS.realPath(parent),name);try{fs.rmdirSync(path)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),readdir:(function(node){var path=NODEFS.realPath(node);try{return fs.readdirSync(path)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),symlink:(function(parent,newName,oldPath){var newPath=PATH.join2(NODEFS.realPath(parent),newName);try{fs.symlinkSync(oldPath,newPath)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),readlink:(function(node){var path=NODEFS.realPath(node);try{return fs.readlinkSync(path)}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}})},stream_ops:{open:(function(stream){var path=NODEFS.realPath(stream.node);try{if(FS.isFile(stream.node.mode)){stream.nfd=fs.openSync(path,NODEFS.flagsToPermissionString(stream.flags))}}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),close:(function(stream){try{if(FS.isFile(stream.node.mode)&&stream.nfd){fs.closeSync(stream.nfd)}}catch(e){if(!e.code)throw e;throw new FS.ErrnoError(ERRNO_CODES[e.code])}}),read:(function(stream,buffer,offset,length,position){var nbuffer=new Buffer(length);var res;try{res=fs.readSync(stream.nfd,nbuffer,0,length,position)}catch(e){throw new FS.ErrnoError(ERRNO_CODES[e.code])}if(res>0){for(var i=0;i8){throw new FS.ErrnoError(ERRNO_CODES.ELOOP)}var parts=PATH.normalizeArray(path.split("/").filter((function(p){return!!p})),false);var current=FS.root;var current_path="/";for(var i=0;i40){throw new FS.ErrnoError(ERRNO_CODES.ELOOP)}}}}return{path:current_path,node:current}}),getPath:(function(node){var path;while(true){if(FS.isRoot(node)){var mount=node.mount.mountpoint;if(!path)return mount;return mount[mount.length-1]!=="/"?mount+"/"+path:mount+path}path=path?node.name+"/"+path:node.name;node=node.parent}}),hashName:(function(parentid,name){var hash=0;for(var i=0;i>>0)%FS.nameTable.length}),hashAddNode:(function(node){var hash=FS.hashName(node.parent.id,node.name);node.name_next=FS.nameTable[hash];FS.nameTable[hash]=node}),hashRemoveNode:(function(node){var hash=FS.hashName(node.parent.id,node.name);if(FS.nameTable[hash]===node){FS.nameTable[hash]=node.name_next}else{var current=FS.nameTable[hash];while(current){if(current.name_next===node){current.name_next=node.name_next;break}current=current.name_next}}}),lookupNode:(function(parent,name){var err=FS.mayLookup(parent);if(err){throw new FS.ErrnoError(err)}var hash=FS.hashName(parent.id,name);for(var node=FS.nameTable[hash];node;node=node.name_next){var nodeName=node.name;if(node.parent.id===parent.id&&nodeName===name){return node}}return FS.lookup(parent,name)}),createNode:(function(parent,name,mode,rdev){if(!FS.FSNode){FS.FSNode=(function(parent,name,mode,rdev){if(!parent){parent=this}this.parent=parent;this.mount=parent.mount;this.mounted=null;this.id=FS.nextInode++;this.name=name;this.mode=mode;this.node_ops={};this.stream_ops={};this.rdev=rdev});FS.FSNode.prototype={};var readMode=292|73;var writeMode=146;Object.defineProperties(FS.FSNode.prototype,{read:{get:(function(){return(this.mode&readMode)===readMode}),set:(function(val){val?this.mode|=readMode:this.mode&=~readMode})},write:{get:(function(){return(this.mode&writeMode)===writeMode}),set:(function(val){val?this.mode|=writeMode:this.mode&=~writeMode})},isFolder:{get:(function(){return FS.isDir(this.mode)})},isDevice:{get:(function(){return FS.isChrdev(this.mode)})}})}var node=new FS.FSNode(parent,name,mode,rdev);FS.hashAddNode(node);return node}),destroyNode:(function(node){FS.hashRemoveNode(node)}),isRoot:(function(node){return node===node.parent}),isMountpoint:(function(node){return!!node.mounted}),isFile:(function(mode){return(mode&61440)===32768}),isDir:(function(mode){return(mode&61440)===16384}),isLink:(function(mode){return(mode&61440)===40960}),isChrdev:(function(mode){return(mode&61440)===8192}),isBlkdev:(function(mode){return(mode&61440)===24576}),isFIFO:(function(mode){return(mode&61440)===4096}),isSocket:(function(mode){return(mode&49152)===49152}),flagModes:{"r":0,"rs":1052672,"r+":2,"w":577,"wx":705,"xw":705,"w+":578,"wx+":706,"xw+":706,"a":1089,"ax":1217,"xa":1217,"a+":1090,"ax+":1218,"xa+":1218},modeStringToFlags:(function(str){var flags=FS.flagModes[str];if(typeof flags==="undefined"){throw new Error("Unknown file open mode: "+str)}return flags}),flagsToPermissionString:(function(flag){var accmode=flag&2097155;var perms=["r","w","rw"][accmode];if(flag&512){perms+="w"}return perms}),nodePermissions:(function(node,perms){if(FS.ignorePermissions){return 0}if(perms.indexOf("r")!==-1&&!(node.mode&292)){return ERRNO_CODES.EACCES}else if(perms.indexOf("w")!==-1&&!(node.mode&146)){return ERRNO_CODES.EACCES}else if(perms.indexOf("x")!==-1&&!(node.mode&73)){return ERRNO_CODES.EACCES}return 0}),mayLookup:(function(dir){var err=FS.nodePermissions(dir,"x");if(err)return err;if(!dir.node_ops.lookup)return ERRNO_CODES.EACCES;return 0}),mayCreate:(function(dir,name){try{var node=FS.lookupNode(dir,name);return ERRNO_CODES.EEXIST}catch(e){}return FS.nodePermissions(dir,"wx")}),mayDelete:(function(dir,name,isdir){var node;try{node=FS.lookupNode(dir,name)}catch(e){return e.errno}var err=FS.nodePermissions(dir,"wx");if(err){return err}if(isdir){if(!FS.isDir(node.mode)){return ERRNO_CODES.ENOTDIR}if(FS.isRoot(node)||FS.getPath(node)===FS.cwd()){return ERRNO_CODES.EBUSY}}else{if(FS.isDir(node.mode)){return ERRNO_CODES.EISDIR}}return 0}),mayOpen:(function(node,flags){if(!node){return ERRNO_CODES.ENOENT}if(FS.isLink(node.mode)){return ERRNO_CODES.ELOOP}else if(FS.isDir(node.mode)){if((flags&2097155)!==0||flags&512){return ERRNO_CODES.EISDIR}}return FS.nodePermissions(node,FS.flagsToPermissionString(flags))}),MAX_OPEN_FDS:4096,nextfd:(function(fd_start,fd_end){fd_start=fd_start||0;fd_end=fd_end||FS.MAX_OPEN_FDS;for(var fd=fd_start;fd<=fd_end;fd++){if(!FS.streams[fd]){return fd}}throw new FS.ErrnoError(ERRNO_CODES.EMFILE)}),getStream:(function(fd){return FS.streams[fd]}),createStream:(function(stream,fd_start,fd_end){if(!FS.FSStream){FS.FSStream=(function(){});FS.FSStream.prototype={};Object.defineProperties(FS.FSStream.prototype,{object:{get:(function(){return this.node}),set:(function(val){this.node=val})},isRead:{get:(function(){return(this.flags&2097155)!==1})},isWrite:{get:(function(){return(this.flags&2097155)!==0})},isAppend:{get:(function(){return this.flags&1024})}})}var newStream=new FS.FSStream;for(var p in stream){newStream[p]=stream[p]}stream=newStream;var fd=FS.nextfd(fd_start,fd_end);stream.fd=fd;FS.streams[fd]=stream;return stream}),closeStream:(function(fd){FS.streams[fd]=null}),getStreamFromPtr:(function(ptr){return FS.streams[ptr-1]}),getPtrForStream:(function(stream){return stream?stream.fd+1:0}),chrdev_stream_ops:{open:(function(stream){var device=FS.getDevice(stream.node.rdev);stream.stream_ops=device.stream_ops;if(stream.stream_ops.open){stream.stream_ops.open(stream)}}),llseek:(function(){throw new FS.ErrnoError(ERRNO_CODES.ESPIPE)})},major:(function(dev){return dev>>8}),minor:(function(dev){return dev&255}),makedev:(function(ma,mi){return ma<<8|mi}),registerDevice:(function(dev,ops){FS.devices[dev]={stream_ops:ops}}),getDevice:(function(dev){return FS.devices[dev]}),getMounts:(function(mount){var mounts=[];var check=[mount];while(check.length){var m=check.pop();mounts.push(m);check.push.apply(check,m.mounts)}return mounts}),syncfs:(function(populate,callback){if(typeof populate==="function"){callback=populate;populate=false}var mounts=FS.getMounts(FS.root.mount);var completed=0;function done(err){if(err){if(!done.errored){done.errored=true;return callback(err)}return}if(++completed>=mounts.length){callback(null)}}mounts.forEach((function(mount){if(!mount.type.syncfs){return done(null)}mount.type.syncfs(mount,populate,done)}))}),mount:(function(type,opts,mountpoint){var root=mountpoint==="/";var pseudo=!mountpoint;var node;if(root&&FS.root){throw new FS.ErrnoError(ERRNO_CODES.EBUSY)}else if(!root&&!pseudo){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});mountpoint=lookup.path;node=lookup.node;if(FS.isMountpoint(node)){throw new FS.ErrnoError(ERRNO_CODES.EBUSY)}if(!FS.isDir(node.mode)){throw new FS.ErrnoError(ERRNO_CODES.ENOTDIR)}}var mount={type:type,opts:opts,mountpoint:mountpoint,mounts:[]};var mountRoot=type.mount(mount);mountRoot.mount=mount;mount.root=mountRoot;if(root){FS.root=mountRoot}else if(node){node.mounted=mount;if(node.mount){node.mount.mounts.push(mount)}}return mountRoot}),unmount:(function(mountpoint){var lookup=FS.lookupPath(mountpoint,{follow_mount:false});if(!FS.isMountpoint(lookup.node)){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}var node=lookup.node;var mount=node.mounted;var mounts=FS.getMounts(mount);Object.keys(FS.nameTable).forEach((function(hash){var current=FS.nameTable[hash];while(current){var next=current.name_next;if(mounts.indexOf(current.mount)!==-1){FS.destroyNode(current)}current=next}}));node.mounted=null;var idx=node.mount.mounts.indexOf(mount);assert(idx!==-1);node.mount.mounts.splice(idx,1)}),lookup:(function(parent,name){return parent.node_ops.lookup(parent,name)}),mknod:(function(path,mode,dev){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);if(!name||name==="."||name===".."){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}var err=FS.mayCreate(parent,name);if(err){throw new FS.ErrnoError(err)}if(!parent.node_ops.mknod){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}return parent.node_ops.mknod(parent,name,mode,dev)}),create:(function(path,mode){mode=mode!==undefined?mode:438;mode&=4095;mode|=32768;return FS.mknod(path,mode,0)}),mkdir:(function(path,mode){mode=mode!==undefined?mode:511;mode&=511|512;mode|=16384;return FS.mknod(path,mode,0)}),mkdev:(function(path,mode,dev){if(typeof dev==="undefined"){dev=mode;mode=438}mode|=8192;return FS.mknod(path,mode,dev)}),symlink:(function(oldpath,newpath){if(!PATH.resolve(oldpath)){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}var lookup=FS.lookupPath(newpath,{parent:true});var parent=lookup.node;if(!parent){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}var newname=PATH.basename(newpath);var err=FS.mayCreate(parent,newname);if(err){throw new FS.ErrnoError(err)}if(!parent.node_ops.symlink){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}return parent.node_ops.symlink(parent,newname,oldpath)}),rename:(function(old_path,new_path){var old_dirname=PATH.dirname(old_path);var new_dirname=PATH.dirname(new_path);var old_name=PATH.basename(old_path);var new_name=PATH.basename(new_path);var lookup,old_dir,new_dir;try{lookup=FS.lookupPath(old_path,{parent:true});old_dir=lookup.node;lookup=FS.lookupPath(new_path,{parent:true});new_dir=lookup.node}catch(e){throw new FS.ErrnoError(ERRNO_CODES.EBUSY)}if(!old_dir||!new_dir)throw new FS.ErrnoError(ERRNO_CODES.ENOENT);if(old_dir.mount!==new_dir.mount){throw new FS.ErrnoError(ERRNO_CODES.EXDEV)}var old_node=FS.lookupNode(old_dir,old_name);var relative=PATH.relative(old_path,new_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}relative=PATH.relative(new_path,old_dirname);if(relative.charAt(0)!=="."){throw new FS.ErrnoError(ERRNO_CODES.ENOTEMPTY)}var new_node;try{new_node=FS.lookupNode(new_dir,new_name)}catch(e){}if(old_node===new_node){return}var 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e}finally{FS.hashAddNode(old_node)}try{if(FS.trackingDelegate["onMovePath"])FS.trackingDelegate["onMovePath"](old_path,new_path)}catch(e){console.log("FS.trackingDelegate['onMovePath']('"+old_path+"', '"+new_path+"') threw an exception: "+e.message)}}),rmdir:(function(path){var lookup=FS.lookupPath(path,{parent:true});var parent=lookup.node;var name=PATH.basename(path);var node=FS.lookupNode(parent,name);var err=FS.mayDelete(parent,name,true);if(err){throw new FS.ErrnoError(err)}if(!parent.node_ops.rmdir){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}if(FS.isMountpoint(node)){throw new FS.ErrnoError(ERRNO_CODES.EBUSY)}try{if(FS.trackingDelegate["willDeletePath"]){FS.trackingDelegate["willDeletePath"](path)}}catch(e){console.log("FS.trackingDelegate['willDeletePath']('"+path+"') threw an exception: 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FS.ErrnoError(ERRNO_CODES.EBUSY)}try{if(FS.trackingDelegate["willDeletePath"]){FS.trackingDelegate["willDeletePath"](path)}}catch(e){console.log("FS.trackingDelegate['willDeletePath']('"+path+"') threw an exception: "+e.message)}parent.node_ops.unlink(parent,name);FS.destroyNode(node);try{if(FS.trackingDelegate["onDeletePath"])FS.trackingDelegate["onDeletePath"](path)}catch(e){console.log("FS.trackingDelegate['onDeletePath']('"+path+"') threw an exception: "+e.message)}}),readlink:(function(path){var lookup=FS.lookupPath(path);var link=lookup.node;if(!link){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}if(!link.node_ops.readlink){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}return link.node_ops.readlink(link)}),stat:(function(path,dontFollow){var lookup=FS.lookupPath(path,{follow:!dontFollow});var node=lookup.node;if(!node){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}if(!node.node_ops.getattr){throw new FS.ErrnoError(ERRNO_CODES.EPERM)}return 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node=lookup.node;node.node_ops.setattr(node,{timestamp:Math.max(atime,mtime)})}),open:(function(path,flags,mode,fd_start,fd_end){if(path===""){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}flags=typeof flags==="string"?FS.modeStringToFlags(flags):flags;mode=typeof mode==="undefined"?438:mode;if(flags&64){mode=mode&4095|32768}else{mode=0}var node;if(typeof path==="object"){node=path}else{path=PATH.normalize(path);try{var lookup=FS.lookupPath(path,{follow:!(flags&131072)});node=lookup.node}catch(e){}}var created=false;if(flags&64){if(node){if(flags&128){throw new FS.ErrnoError(ERRNO_CODES.EEXIST)}}else{node=FS.mknod(path,mode,0);created=true}}if(!node){throw new FS.ErrnoError(ERRNO_CODES.ENOENT)}if(FS.isChrdev(node.mode)){flags&=~512}if(!created){var err=FS.mayOpen(node,flags);if(err){throw new FS.ErrnoError(err)}}if(flags&512){FS.truncate(node,0)}flags&=~(128|512);var stream=FS.createStream({node:node,path:FS.getPath(node),flags:flags,seekable:true,position:0,stream_ops:node.stream_ops,ungotten:[],error:false},fd_start,fd_end);if(stream.stream_ops.open){stream.stream_ops.open(stream)}if(Module["logReadFiles"]&&!(flags&1)){if(!FS.readFiles)FS.readFiles={};if(!(path in FS.readFiles)){FS.readFiles[path]=1;Module["printErr"]("read file: "+path)}}try{if(FS.trackingDelegate["onOpenFile"]){var trackingFlags=0;if((flags&2097155)!==1){trackingFlags|=FS.tracking.openFlags.READ}if((flags&2097155)!==0){trackingFlags|=FS.tracking.openFlags.WRITE}FS.trackingDelegate["onOpenFile"](path,trackingFlags)}}catch(e){console.log("FS.trackingDelegate['onOpenFile']('"+path+"', flags) threw an exception: "+e.message)}return stream}),close:(function(stream){try{if(stream.stream_ops.close){stream.stream_ops.close(stream)}}catch(e){throw e}finally{FS.closeStream(stream.fd)}}),llseek:(function(stream,offset,whence){if(!stream.seekable||!stream.stream_ops.llseek){throw new FS.ErrnoError(ERRNO_CODES.ESPIPE)}return stream.stream_ops.llseek(stream,offset,whence)}),read:(function(stream,buffer,offset,length,position){if(length<0||position<0){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}if((stream.flags&2097155)===1){throw new FS.ErrnoError(ERRNO_CODES.EBADF)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(ERRNO_CODES.EISDIR)}if(!stream.stream_ops.read){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}var seeking=true;if(typeof position==="undefined"){position=stream.position;seeking=false}else if(!stream.seekable){throw new FS.ErrnoError(ERRNO_CODES.ESPIPE)}var bytesRead=stream.stream_ops.read(stream,buffer,offset,length,position);if(!seeking)stream.position+=bytesRead;return bytesRead}),write:(function(stream,buffer,offset,length,position,canOwn){if(length<0||position<0){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(ERRNO_CODES.EBADF)}if(FS.isDir(stream.node.mode)){throw new FS.ErrnoError(ERRNO_CODES.EISDIR)}if(!stream.stream_ops.write){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}if(stream.flags&1024){FS.llseek(stream,0,2)}var seeking=true;if(typeof position==="undefined"){position=stream.position;seeking=false}else if(!stream.seekable){throw new FS.ErrnoError(ERRNO_CODES.ESPIPE)}var bytesWritten=stream.stream_ops.write(stream,buffer,offset,length,position,canOwn);if(!seeking)stream.position+=bytesWritten;try{if(stream.path&&FS.trackingDelegate["onWriteToFile"])FS.trackingDelegate["onWriteToFile"](stream.path)}catch(e){console.log("FS.trackingDelegate['onWriteToFile']('"+path+"') threw an exception: "+e.message)}return bytesWritten}),allocate:(function(stream,offset,length){if(offset<0||length<=0){throw new FS.ErrnoError(ERRNO_CODES.EINVAL)}if((stream.flags&2097155)===0){throw new FS.ErrnoError(ERRNO_CODES.EBADF)}if(!FS.isFile(stream.node.mode)&&!FS.isDir(node.mode)){throw new FS.ErrnoError(ERRNO_CODES.ENODEV)}if(!stream.stream_ops.allocate){throw new FS.ErrnoError(ERRNO_CODES.EOPNOTSUPP)}stream.stream_ops.allocate(stream,offset,length)}),mmap:(function(stream,buffer,offset,length,position,prot,flags){if((stream.flags&2097155)===1){throw new FS.ErrnoError(ERRNO_CODES.EACCES)}if(!stream.stream_ops.mmap){throw new FS.ErrnoError(ERRNO_CODES.ENODEV)}return stream.stream_ops.mmap(stream,buffer,offset,length,position,prot,flags)}),ioctl:(function(stream,cmd,arg){if(!stream.stream_ops.ioctl){throw new FS.ErrnoError(ERRNO_CODES.ENOTTY)}return stream.stream_ops.ioctl(stream,cmd,arg)}),readFile:(function(path,opts){opts=opts||{};opts.flags=opts.flags||"r";opts.encoding=opts.encoding||"binary";if(opts.encoding!=="utf8"&&opts.encoding!=="binary"){throw new Error('Invalid encoding type "'+opts.encoding+'"')}var ret;var stream=FS.open(path,opts.flags);var stat=FS.stat(path);var length=stat.size;var buf=new Uint8Array(length);FS.read(stream,buf,0,length,0);if(opts.encoding==="utf8"){ret="";var utf8=new Runtime.UTF8Processor;for(var 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Status: "+xhr.status);if(xhr.response!==undefined){return new Uint8Array(xhr.response||[])}else{return intArrayFromString(xhr.responseText||"",true)}});var lazyArray=this;lazyArray.setDataGetter((function(chunkNum){var start=chunkNum*chunkSize;var end=(chunkNum+1)*chunkSize-1;end=Math.min(end,datalength-1);if(typeof lazyArray.chunks[chunkNum]==="undefined"){lazyArray.chunks[chunkNum]=doXHR(start,end)}if(typeof lazyArray.chunks[chunkNum]==="undefined")throw new Error("doXHR failed!");return lazyArray.chunks[chunkNum]}));this._length=datalength;this._chunkSize=chunkSize;this.lengthKnown=true};if(typeof XMLHttpRequest!=="undefined"){if(!ENVIRONMENT_IS_WORKER)throw"Cannot do synchronous binary XHRs outside webworkers in modern browsers. 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pointerLockChange(){Browser.pointerLock=document["pointerLockElement"]===canvas||document["mozPointerLockElement"]===canvas||document["webkitPointerLockElement"]===canvas||document["msPointerLockElement"]===canvas}if(canvas){canvas.requestPointerLock=canvas["requestPointerLock"]||canvas["mozRequestPointerLock"]||canvas["webkitRequestPointerLock"]||canvas["msRequestPointerLock"]||(function(){});canvas.exitPointerLock=document["exitPointerLock"]||document["mozExitPointerLock"]||document["webkitExitPointerLock"]||document["msExitPointerLock"]||(function(){});canvas.exitPointerLock=canvas.exitPointerLock.bind(document);document.addEventListener("pointerlockchange",pointerLockChange,false);document.addEventListener("mozpointerlockchange",pointerLockChange,false);document.addEventListener("webkitpointerlockchange",pointerLockChange,false);document.addEventListener("mspointerlockchange",pointerLockChange,false);if(Module["elementPointerLock"]){canvas.addEventListener("click",(function(ev){if(!Browser.pointerLock&&canvas.requestPointerLock){canvas.requestPointerLock();ev.preventDefault()}}),false)}}}),createContext:(function(canvas,useWebGL,setInModule,webGLContextAttributes){if(useWebGL&&Module.ctx&&canvas==Module.canvas)return Module.ctx;var ctx;var contextHandle;if(useWebGL){var contextAttributes={antialias:false,alpha:false};if(webGLContextAttributes){for(var attribute in webGLContextAttributes){contextAttributes[attribute]=webGLContextAttributes[attribute]}}contextHandle=GL.createContext(canvas,contextAttributes);ctx=GL.getContext(contextHandle).GLctx;canvas.style.backgroundColor="black"}else{ctx=canvas.getContext("2d")}if(!ctx)return null;if(setInModule){if(!useWebGL)assert(typeof GLctx==="undefined","cannot set in module if GLctx is used, but we are a non-GL context that would replace it");Module.ctx=ctx;if(useWebGL)GL.makeContextCurrent(contextHandle);Module.useWebGL=useWebGL;Browser.moduleContextCreatedCallbacks.forEach((function(callback){callback()}));Browser.init()}return ctx}),destroyContext:(function(canvas,useWebGL,setInModule){}),fullScreenHandlersInstalled:false,lockPointer:undefined,resizeCanvas:undefined,requestFullScreen:(function(lockPointer,resizeCanvas){Browser.lockPointer=lockPointer;Browser.resizeCanvas=resizeCanvas;if(typeof Browser.lockPointer==="undefined")Browser.lockPointer=true;if(typeof Browser.resizeCanvas==="undefined")Browser.resizeCanvas=false;var canvas=Module["canvas"];function fullScreenChange(){Browser.isFullScreen=false;var canvasContainer=canvas.parentNode;if((document["webkitFullScreenElement"]||document["webkitFullscreenElement"]||document["mozFullScreenElement"]||document["mozFullscreenElement"]||document["fullScreenElement"]||document["fullscreenElement"]||document["msFullScreenElement"]||document["msFullscreenElement"]||document["webkitCurrentFullScreenElement"])===canvasContainer){canvas.cancelFullScreen=document["cancelFullScreen"]||document["mozCancelFullScreen"]||document["webkitCancelFullScreen"]||document["msExitFullscreen"]||document["exitFullscreen"]||(function(){});canvas.cancelFullScreen=canvas.cancelFullScreen.bind(document);if(Browser.lockPointer)canvas.requestPointerLock();Browser.isFullScreen=true;if(Browser.resizeCanvas)Browser.setFullScreenCanvasSize()}else{canvasContainer.parentNode.insertBefore(canvas,canvasContainer);canvasContainer.parentNode.removeChild(canvasContainer);if(Browser.resizeCanvas)Browser.setWindowedCanvasSize()}if(Module["onFullScreen"])Module["onFullScreen"](Browser.isFullScreen);Browser.updateCanvasDimensions(canvas)}if(!Browser.fullScreenHandlersInstalled){Browser.fullScreenHandlersInstalled=true;document.addEventListener("fullscreenchange",fullScreenChange,false);document.addEventListener("mozfullscreenchange",fullScreenChange,false);document.addEventListener("webkitfullscreenchange",fullScreenChange,false);document.addEventListener("MSFullscreenChange",fullScreenChange,false)}var 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Ra(a,b){a=a|0;b=b|0;var c=0,d=0,e=0,f=0,g=0;c=i;i=i+160|0;d=c+120|0;g=c+80|0;e=c+40|0;f=c;Na(g,b+80|0);ya(e,b,g);ya(f,b+40|0,g);Oa(a,f);Oa(d,e);b=a+31|0;ga(b>>0|0,(fa(b>>0|0,1,0,1)|0|0)^(fa(d>>0|0,1,0,1)|0|0)<<7|0,1,0);i=c;return}function Sa(a){a=a|0;var b=0,c=0,d=0,e=0,f=0,g=0,h=0,j=0,k=0,l=0,m=0,n=0,o=0,p=0,q=0,r=0,s=0,t=0,u=0,v=0,w=0,x=0,y=0,z=0,A=0,B=0,C=0,E=0,F=0,G=0,H=0,I=0,J=0,K=0,L=0,M=0,N=0,O=0,P=0,Q=0,R=0,S=0,T=0,U=0,V=0,W=0,X=0,Y=0,Z=0,_=0,$=0,aa=0,ba=0,ca=0,da=0,ea=0,ha=0,ia=0,ja=0,ka=0,la=0,ma=0,na=0,oa=0,pa=0,qa=0,ra=0,sa=0,ta=0,ua=0,va=0,wa=0,xa=0,ya=0,za=0,Aa=0,Ba=0,Ca=0,Da=0,Ea=0,Fa=0,Ga=0,Ha=0,Ia=0,Ja=0,Ka=0,La=0,Ma=0,Na=0,Oa=0,Pa=0,Qa=0,Ra=0,Sa=0,Ta=0,Ua=0,Va=0,Wa=0,Xa=0,Ya=0,Za=0,_a=0,$a=0,ab=0,bb=0,cb=0,db=0,eb=0,ib=0,lb=0,mb=0,nb=0;b=i;ea=a+1|0;ca=a+2|0;La=fa(ca>>0|0,1,0,0)|0|0;da=fa(a>>0|0,1,0,1)|0|0;W=kb(fa(ea>>0|0,1,0,1)|0|0|0,0,8)|0;xa=D;La=La&255;U=kb(La|0,0,16)|0;aa=a+3|0;ua=kb(fa(aa>>0|0,1,0,1)|0|0|0,0,8)|0;ra=D;$=a+4|0;V=kb(fa($>>0|0,1,0,1)|0|0|0,0,16)|0;ra=ra|D;Z=a+5|0;N=fa(Z>>0|0,1,0,1)|0|0;X=kb(N|0,0,24)|0;ra=jb(ua|La|V|X|0,ra|D|0,5)|0;X=a+6|0;V=a+7|0;La=fa(V>>0|0,1,0,0)|0|0;ua=kb(fa(X>>0|0,1,0,1)|0|0|0,0,8)|0;Ma=D;La=La&255;T=kb(La|0,0,16)|0;Ma=jb(ua|N|T|0,Ma|D|0,2)|0;T=a+8|0;N=kb(fa(T>>0|0,1,0,1)|0|0|0,0,8)|0;ua=D;S=a+9|0;Ia=kb(fa(S>>0|0,1,0,1)|0|0|0,0,16)|0;ua=ua|D;Q=a+10|0;Ua=fa(Q>>0|0,1,0,1)|0|0;O=kb(Ua|0,0,24)|0;ua=jb(N|La|Ia|O|0,ua|D|0,7)|0;O=a+11|0;Ia=kb(fa(O>>0|0,1,0,1)|0|0|0,0,8)|0;La=D;N=a+12|0;H=kb(fa(N>>0|0,1,0,1)|0|0|0,0,16)|0;La=La|D;L=a+13|0;u=fa(L>>0|0,1,0,1)|0|0;J=kb(u|0,0,24)|0;La=jb(Ia|Ua|H|J|0,La|D|0,4)|0;J=a+14|0;H=a+15|0;Ua=fa(H>>0|0,1,0,0)|0|0;Ia=kb(fa(J>>0|0,1,0,1)|0|0|0,0,8)|0;Fa=D;Ua=Ua&255;F=kb(Ua|0,0,16)|0;Fa=jb(Ia|u|F|0,Fa|D|0,1)|0;F=a+16|0;u=kb(fa(F>>0|0,1,0,1)|0|0|0,0,8)|0;Ia=D;E=a+17|0;w=kb(fa(E>>0|0,1,0,1)|0|0|0,0,16)|0;Ia=Ia|D;B=a+18|0;v=fa(B>>0|0,1,0,1)|0|0;z=kb(v|0,0,24)|0;Ia=jb(u|Ua|w|z|0,Ia|D|0,6)|0;z=a+19|0;w=a+20|0;Ua=fa(w>>0|0,1,0,0)|0|0;u=kb(fa(z>>0|0,1,0,1)|0|0|0,0,8)|0;Va=D;Ua=kb(Ua&255|0,0,16)|0;Va=jb(u|v|Ua|0,Va|D|0,3)|0;Ua=D;v=a+21|0;u=a+22|0;s=a+23|0;Sa=fa(s>>0|0,1,0,0)|0|0;cb=fa(v>>0|0,1,0,1)|0|0;db=kb(fa(u>>0|0,1,0,1)|0|0|0,0,8)|0;ab=D;Sa=Sa&255;bb=kb(Sa|0,0,16)|0;q=a+24|0;Aa=kb(fa(q>>0|0,1,0,1)|0|0|0,0,8)|0;la=D;p=a+25|0;j=kb(fa(p>>0|0,1,0,1)|0|0|0,0,16)|0;la=la|D;n=a+26|0;Ja=fa(n>>0|0,1,0,1)|0|0;l=kb(Ja|0,0,24)|0;la=jb(Aa|Sa|j|l|0,la|D|0,5)|0;l=a+27|0;j=a+28|0;Sa=fa(j>>0|0,1,0,0)|0|0;Aa=kb(fa(l>>0|0,1,0,1)|0|0|0,0,8)|0;$a=D;Sa=Sa&255;g=kb(Sa|0,0,16)|0;$a=jb(Aa|Ja|g|0,$a|D|0,2)|0;g=a+29|0;Ja=kb(fa(g>>0|0,1,0,1)|0|0|0,0,8)|0;Aa=D;f=a+30|0;mb=kb(fa(f>>0|0,1,0,1)|0|0|0,0,16)|0;Aa=Aa|D;c=a+31|0;t=fa(c>>0|0,1,0,1)|0|0;ta=kb(t|0,0,24)|0;Aa=jb(Ja|Sa|mb|ta|0,Aa|D|0,7)|0;ta=kb(fa(a+32>>0|0,1,0,1)|0|0|0,0,8)|0;mb=D;Sa=kb(fa(a+33>>0|0,1,0,1)|0|0|0,0,16)|0;mb=mb|D;Ja=fa(a+34>>0|0,1,0,1)|0|0;Ca=kb(Ja|0,0,24)|0;mb=jb(ta|t|Sa|Ca|0,mb|D|0,4)|0;Ca=fa(a+36>>0|0,1,0,0)|0|0;Sa=kb(fa(a+35>>0|0,1,0,1)|0|0|0,0,8)|0;t=D;Ca=Ca&255;ta=kb(Ca|0,0,16)|0;t=jb(Sa|Ja|ta|0,t|D|0,1)|0;ta=kb(fa(a+37>>0|0,1,0,1)|0|0|0,0,8)|0;Ja=D;Sa=kb(fa(a+38>>0|0,1,0,1)|0|0|0,0,16)|0;Ja=Ja|D;wa=fa(a+39>>0|0,1,0,1)|0|0;ha=kb(wa|0,0,24)|0;Ja=jb(ta|Ca|Sa|ha|0,Ja|D|0,6)|0;ha=fa(a+41>>0|0,1,0,0)|0|0;Sa=kb(fa(a+40>>0|0,1,0,1)|0|0|0,0,8)|0;Ca=D;ha=kb(ha&255|0,0,16)|0;Ca=jb(Sa|wa|ha|0,Ca|D|0,3)|0;ha=D;wa=fa(a+44>>0|0,1,0,0)|0|0;Sa=fa(a+42>>0|0,1,0,1)|0|0;ta=kb(fa(a+43>>0|0,1,0,1)|0|0|0,0,8)|0;G=D;wa=wa&255;na=kb(wa|0,0,16)|0;Ga=kb(fa(a+45>>0|0,1,0,1)|0|0|0,0,8)|0;K=D;Oa=kb(fa(a+46>>0|0,1,0,1)|0|0|0,0,16)|0;K=K|D;nb=fa(a+47>>0|0,1,0,1)|0|0;M=kb(nb|0,0,24)|0;K=jb(Ga|wa|Oa|M|0,K|D|0,5)|0;M=fa(a+49>>0|0,1,0,0)|0|0;Oa=kb(fa(a+48>>0|0,1,0,1)|0|0|0,0,8)|0;wa=D;M=M&255;Ga=kb(M|0,0,16)|0;wa=jb(Oa|nb|Ga|0,wa|D|0,2)|0;wa=wa&2097151;Ga=kb(fa(a+50>>0|0,1,0,1)|0|0|0,0,8)|0;nb=D;Oa=kb(fa(a+51>>0|0,1,0,1)|0|0|0,0,16)|0;nb=nb|D;Ka=fa(a+52>>0|0,1,0,1)|0|0;m=kb(Ka|0,0,24)|0;nb=jb(Ga|M|Oa|m|0,nb|D|0,7)|0;nb=nb&2097151;m=kb(fa(a+53>>0|0,1,0,1)|0|0|0,0,8)|0;Oa=D;M=kb(fa(a+54>>0|0,1,0,1)|0|0|0,0,16)|0;Oa=Oa|D;Ga=fa(a+55>>0|0,1,0,1)|0|0;R=kb(Ga|0,0,24)|0;Oa=jb(m|Ka|M|R|0,Oa|D|0,4)|0;Oa=Oa&2097151;R=fa(a+57>>0|0,1,0,0)|0|0;M=kb(fa(a+56>>0|0,1,0,1)|0|0|0,0,8)|0;Ka=D;R=R&255;m=kb(R|0,0,16)|0;Ka=jb(M|Ga|m|0,Ka|D|0,1)|0;Ka=Ka&2097151;m=kb(fa(a+58>>0|0,1,0,1)|0|0|0,0,8)|0;Ga=D;M=kb(fa(a+59>>0|0,1,0,1)|0|0|0,0,16)|0;Ga=Ga|D;ja=fa(a+60>>0|0,1,0,1)|0|0;ia=kb(ja|0,0,24)|0;Ga=jb(m|R|M|ia|0,Ga|D|0,6)|0;Ga=Ga&2097151;ia=kb(fa(a+61>>0|0,1,0,1)|0|0|0,0,8)|0;M=D;R=kb(fa(a+62>>0|0,1,0,1)|0|0|0,0,16)|0;M=M|D;m=kb(fa(a+63>>0|0,1,0,1)|0|0|0,0,24)|0;M=jb(ia|ja|R|m|0,M|D|0,3)|0;m=D;R=sb(M|0,m|0,666643,0)|0;ja=D;ia=sb(M|0,m|0,470296,0)|0;I=D;r=sb(M|0,m|0,654183,0)|0;C=D;P=sb(M|0,m|0,-997805,-1)|0;Y=D;k=sb(M|0,m|0,136657,0)|0;e=D;m=sb(M|0,m|0,-683901,-1)|0;G=hb(m|0,D|0,ta|Sa|na&2031616|0,G|0)|0;na=D;Sa=sb(Ga|0,0,666643,0)|0;ta=D;m=sb(Ga|0,0,470296,0)|0;M=D;Xa=sb(Ga|0,0,654183,0)|0;Ra=D;Ba=sb(Ga|0,0,-997805,-1)|0;_=D;Pa=sb(Ga|0,0,136657,0)|0;Qa=D;Ga=sb(Ga|0,0,-683901,-1)|0;y=D;d=sb(Ka|0,0,666643,0)|0;ba=D;Ha=sb(Ka|0,0,470296,0)|0;va=D;o=sb(Ka|0,0,654183,0)|0;Na=D;eb=sb(Ka|0,0,-997805,-1)|0;Wa=D;ya=sb(Ka|0,0,136657,0)|0;oa=D;Ka=sb(Ka|0,0,-683901,-1)|0;Ja=hb(Ka|0,D|0,Ja&2097151|0,0)|0;Qa=hb(Ja|0,D|0,Pa|0,Qa|0)|0;Y=hb(Qa|0,D|0,P|0,Y|0)|0;P=D;Qa=sb(Oa|0,0,666643,0)|0;Pa=D;Ja=sb(Oa|0,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high=this.high_;if(numBits<32){var low=this.low_;return goog.math.Long.fromBits(low>>>numBits|high<<32-numBits,high>>>numBits)}else if(numBits==32){return goog.math.Long.fromBits(high,0)}else{return goog.math.Long.fromBits(high>>>numBits-32,0)}}});var navigator={appName:"Modern Browser"};var dbits;var canary=0xdeadbeefcafe;var j_lm=(canary&16777215)==15715070;function BigInteger(a,b,c){if(a!=null)if("number"==typeof a)this.fromNumber(a,b,c);else if(b==null&&"string"!=typeof a)this.fromString(a,256);else this.fromString(a,b)}function nbi(){return new BigInteger(null)}function am1(i,x,w,j,c,n){while(--n>=0){var v=x*this[i++]+w[j]+c;c=Math.floor(v/67108864);w[j++]=v&67108863}return c}function am2(i,x,w,j,c,n){var xl=x&32767,xh=x>>15;while(--n>=0){var l=this[i]&32767;var h=this[i++]>>15;var m=xh*l+h*xl;l=xl*l+((m&32767)<<15)+w[j]+(c&1073741823);c=(l>>>30)+(m>>>15)+xh*h+(c>>>30);w[j++]=l&1073741823}return c}function am3(i,x,w,j,c,n){var xl=x&16383,xh=x>>14;while(--n>=0){var l=this[i]&16383;var h=this[i++]>>14;var m=xh*l+h*xl;l=xl*l+((m&16383)<<14)+w[j]+c;c=(l>>28)+(m>>14)+xh*h;w[j++]=l&268435455}return c}if(j_lm&&navigator.appName=="Microsoft Internet Explorer"){BigInteger.prototype.am=am2;dbits=30}else if(j_lm&&navigator.appName!="Netscape"){BigInteger.prototype.am=am1;dbits=26}else{BigInteger.prototype.am=am3;dbits=28}BigInteger.prototype.DB=dbits;BigInteger.prototype.DM=(1<=0;--i)r[i]=this[i];r.t=this.t;r.s=this.s}function bnpFromInt(x){this.t=1;this.s=x<0?-1:0;if(x>0)this[0]=x;else if(x<-1)this[0]=x+DV;else this.t=0}function nbv(i){var r=nbi();r.fromInt(i);return r}function bnpFromString(s,b){var k;if(b==16)k=4;else if(b==8)k=3;else if(b==256)k=8;else if(b==2)k=1;else if(b==32)k=5;else if(b==4)k=2;else{this.fromRadix(s,b);return}this.t=0;this.s=0;var i=s.length,mi=false,sh=0;while(--i>=0){var x=k==8?s[i]&255:intAt(s,i);if(x<0){if(s.charAt(i)=="-")mi=true;continue}mi=false;if(sh==0)this[this.t++]=x;else if(sh+k>this.DB){this[this.t-1]|=(x&(1<>this.DB-sh}else this[this.t-1]|=x<=this.DB)sh-=this.DB}if(k==8&&(s[0]&128)!=0){this.s=-1;if(sh>0)this[this.t-1]|=(1<0&&this[this.t-1]==c)--this.t}function bnToString(b){if(this.s<0)return"-"+this.negate().toString(b);var k;if(b==16)k=4;else if(b==8)k=3;else if(b==2)k=1;else if(b==32)k=5;else if(b==4)k=2;else return this.toRadix(b);var km=(1<0){if(p>p)>0){m=true;r=int2char(d)}while(i>=0){if(p>(p+=this.DB-k)}else{d=this[i]>>(p-=k)&km;if(p<=0){p+=this.DB;--i}}if(d>0)m=true;if(m)r+=int2char(d)}}return m?r:"0"}function bnNegate(){var r=nbi();BigInteger.ZERO.subTo(this,r);return r}function bnAbs(){return this.s<0?this.negate():this}function bnCompareTo(a){var r=this.s-a.s;if(r!=0)return r;var i=this.t;r=i-a.t;if(r!=0)return this.s<0?-r:r;while(--i>=0)if((r=this[i]-a[i])!=0)return r;return 0}function nbits(x){var r=1,t;if((t=x>>>16)!=0){x=t;r+=16}if((t=x>>8)!=0){x=t;r+=8}if((t=x>>4)!=0){x=t;r+=4}if((t=x>>2)!=0){x=t;r+=2}if((t=x>>1)!=0){x=t;r+=1}return r}function bnBitLength(){if(this.t<=0)return 0;return this.DB*(this.t-1)+nbits(this[this.t-1]^this.s&this.DM)}function bnpDLShiftTo(n,r){var i;for(i=this.t-1;i>=0;--i)r[i+n]=this[i];for(i=n-1;i>=0;--i)r[i]=0;r.t=this.t+n;r.s=this.s}function bnpDRShiftTo(n,r){for(var i=n;i=0;--i){r[i+ds+1]=this[i]>>cbs|c;c=(this[i]&bm)<=0;--i)r[i]=0;r[ds]=c;r.t=this.t+ds+1;r.s=this.s;r.clamp()}function bnpRShiftTo(n,r){r.s=this.s;var ds=Math.floor(n/this.DB);if(ds>=this.t){r.t=0;return}var bs=n%this.DB;var cbs=this.DB-bs;var bm=(1<>bs;for(var i=ds+1;i>bs}if(bs>0)r[this.t-ds-1]|=(this.s&bm)<>=this.DB}if(a.t>=this.DB}c+=this.s}else{c+=this.s;while(i>=this.DB}c-=a.s}r.s=c<0?-1:0;if(c<-1)r[i++]=this.DV+c;else if(c>0)r[i++]=c;r.t=i;r.clamp()}function bnpMultiplyTo(a,r){var x=this.abs(),y=a.abs();var i=x.t;r.t=i+y.t;while(--i>=0)r[i]=0;for(i=0;i=0)r[i]=0;for(i=0;i=x.DV){r[i+x.t]-=x.DV;r[i+x.t+1]=1}}if(r.t>0)r[r.t-1]+=x.am(i,x[i],r,2*i,0,1);r.s=0;r.clamp()}function bnpDivRemTo(m,q,r){var pm=m.abs();if(pm.t<=0)return;var pt=this.abs();if(pt.t0){pm.lShiftTo(nsh,y);pt.lShiftTo(nsh,r)}else{pm.copyTo(y);pt.copyTo(r)}var ys=y.t;var y0=y[ys-1];if(y0==0)return;var yt=y0*(1<1?y[ys-2]>>this.F2:0);var d1=this.FV/yt,d2=(1<=0){r[r.t++]=1;r.subTo(t,r)}BigInteger.ONE.dlShiftTo(ys,t);t.subTo(y,y);while(y.t=0){var qd=r[--i]==y0?this.DM:Math.floor(r[i]*d1+(r[i-1]+e)*d2);if((r[i]+=y.am(0,qd,r,j,0,ys))0)r.rShiftTo(nsh,r);if(ts<0)BigInteger.ZERO.subTo(r,r)}function bnMod(a){var r=nbi();this.abs().divRemTo(a,null,r);if(this.s<0&&r.compareTo(BigInteger.ZERO)>0)a.subTo(r,r);return r}function Classic(m){this.m=m}function cConvert(x){if(x.s<0||x.compareTo(this.m)>=0)return x.mod(this.m);else return x}function cRevert(x){return x}function cReduce(x){x.divRemTo(this.m,null,x)}function cMulTo(x,y,r){x.multiplyTo(y,r);this.reduce(r)}function cSqrTo(x,r){x.squareTo(r);this.reduce(r)}Classic.prototype.convert=cConvert;Classic.prototype.revert=cRevert;Classic.prototype.reduce=cReduce;Classic.prototype.mulTo=cMulTo;Classic.prototype.sqrTo=cSqrTo;function bnpInvDigit(){if(this.t<1)return 0;var x=this[0];if((x&1)==0)return 0;var y=x&3;y=y*(2-(x&15)*y)&15;y=y*(2-(x&255)*y)&255;y=y*(2-((x&65535)*y&65535))&65535;y=y*(2-x*y%this.DV)%this.DV;return y>0?this.DV-y:-y}function Montgomery(m){this.m=m;this.mp=m.invDigit();this.mpl=this.mp&32767;this.mph=this.mp>>15;this.um=(1<0)this.m.subTo(r,r);return r}function montRevert(x){var r=nbi();x.copyTo(r);this.reduce(r);return r}function montReduce(x){while(x.t<=this.mt2)x[x.t++]=0;for(var i=0;i>15)*this.mpl&this.um)<<15)&x.DM;j=i+this.m.t;x[j]+=this.m.am(0,u0,x,i,0,this.m.t);while(x[j]>=x.DV){x[j]-=x.DV;x[++j]++}}x.clamp();x.drShiftTo(this.m.t,x);if(x.compareTo(this.m)>=0)x.subTo(this.m,x)}function montSqrTo(x,r){x.squareTo(r);this.reduce(r)}function montMulTo(x,y,r){x.multiplyTo(y,r);this.reduce(r)}Montgomery.prototype.convert=montConvert;Montgomery.prototype.revert=montRevert;Montgomery.prototype.reduce=montReduce;Montgomery.prototype.mulTo=montMulTo;Montgomery.prototype.sqrTo=montSqrTo;function bnpIsEven(){return(this.t>0?this[0]&1:this.s)==0}function bnpExp(e,z){if(e>4294967295||e<1)return BigInteger.ONE;var r=nbi(),r2=nbi(),g=z.convert(this),i=nbits(e)-1;g.copyTo(r);while(--i>=0){z.sqrTo(r,r2);if((e&1<0)z.mulTo(r2,g,r);else{var t=r;r=r2;r2=t}}return z.revert(r)}function bnModPowInt(e,m){var z;if(e<256||m.isEven())z=new Classic(m);else z=new Montgomery(m);return this.exp(e,z)}BigInteger.prototype.copyTo=bnpCopyTo;BigInteger.prototype.fromInt=bnpFromInt;BigInteger.prototype.fromString=bnpFromString;BigInteger.prototype.clamp=bnpClamp;BigInteger.prototype.dlShiftTo=bnpDLShiftTo;BigInteger.prototype.drShiftTo=bnpDRShiftTo;BigInteger.prototype.lShiftTo=bnpLShiftTo;BigInteger.prototype.rShiftTo=bnpRShiftTo;BigInteger.prototype.subTo=bnpSubTo;BigInteger.prototype.multiplyTo=bnpMultiplyTo;BigInteger.prototype.squareTo=bnpSquareTo;BigInteger.prototype.divRemTo=bnpDivRemTo;BigInteger.prototype.invDigit=bnpInvDigit;BigInteger.prototype.isEven=bnpIsEven;BigInteger.prototype.exp=bnpExp;BigInteger.prototype.toString=bnToString;BigInteger.prototype.negate=bnNegate;BigInteger.prototype.abs=bnAbs;BigInteger.prototype.compareTo=bnCompareTo;BigInteger.prototype.bitLength=bnBitLength;BigInteger.prototype.mod=bnMod;BigInteger.prototype.modPowInt=bnModPowInt;BigInteger.ZERO=nbv(0);BigInteger.ONE=nbv(1);function bnpFromRadix(s,b){this.fromInt(0);if(b==null)b=10;var cs=this.chunkSize(b);var d=Math.pow(b,cs),mi=false,j=0,w=0;for(var i=0;i=cs){this.dMultiply(d);this.dAddOffset(w,0);j=0;w=0}}if(j>0){this.dMultiply(Math.pow(b,j));this.dAddOffset(w,0)}if(mi)BigInteger.ZERO.subTo(this,this)}function bnpChunkSize(r){return Math.floor(Math.LN2*this.DB/Math.log(r))}function bnSigNum(){if(this.s<0)return-1;else if(this.t<=0||this.t==1&&this[0]<=0)return 0;else return 1}function bnpDMultiply(n){this[this.t]=this.am(0,n-1,this,0,0,this.t);++this.t;this.clamp()}function bnpDAddOffset(n,w){if(n==0)return;while(this.t<=w)this[this.t++]=0;this[w]+=n;while(this[w]>=this.DV){this[w]-=this.DV;if(++w>=this.t)this[this.t++]=0;++this[w]}}function bnpToRadix(b){if(b==null)b=10;if(this.signum()==0||b<2||b>36)return"0";var cs=this.chunkSize(b);var a=Math.pow(b,cs);var d=nbv(a),y=nbi(),z=nbi(),r="";this.divRemTo(d,y,z);while(y.signum()>0){r=(a+z.intValue()).toString(b).substr(1)+r;y.divRemTo(d,y,z)}return z.intValue().toString(b)+r}function bnIntValue(){if(this.s<0){if(this.t==1)return this[0]-this.DV;else if(this.t==0)return-1}else if(this.t==1)return this[0];else if(this.t==0)return 0;return(this[1]&(1<<32-this.DB)-1)<>=this.DB}if(a.t>=this.DB}c+=this.s}else{c+=this.s;while(i>=this.DB}c+=a.s}r.s=c<0?-1:0;if(c>0)r[i++]=c;else if(c<-1)r[i++]=this.DV+c;r.t=i;r.clamp()}BigInteger.prototype.fromRadix=bnpFromRadix;BigInteger.prototype.chunkSize=bnpChunkSize;BigInteger.prototype.signum=bnSigNum;BigInteger.prototype.dMultiply=bnpDMultiply;BigInteger.prototype.dAddOffset=bnpDAddOffset;BigInteger.prototype.toRadix=bnpToRadix;BigInteger.prototype.intValue=bnIntValue;BigInteger.prototype.addTo=bnpAddTo;var Wrapper={abs:(function(l,h){var x=new goog.math.Long(l,h);var ret;if(x.isNegative()){ret=x.negate()}else{ret=x}HEAP32[tempDoublePtr>>2]=ret.low_;HEAP32[tempDoublePtr+4>>2]=ret.high_}),ensureTemps:(function(){if(Wrapper.ensuredTemps)return;Wrapper.ensuredTemps=true;Wrapper.two32=new 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