onion-wownero-blockchain-ex.../main.cpp

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#define CROW_ENABLE_SSL
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#include "src/page.h"
#include "ext/crow/crow.h"
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#include "src/CmdLineOptions.h"
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#include "src/MicroCore.h"
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#include <fstream>
#include <regex>
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using boost::filesystem::path;
using namespace std;
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namespace myxmr
{
struct jsonresponse: crow::response
{
jsonresponse(const nlohmann::json& _body)
: crow::response {_body.dump()}
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{
add_header("Access-Control-Allow-Origin", "*");
add_header("Access-Control-Allow-Headers", "Content-Type");
add_header("Content-Type", "application/json");
}
};
}
int
main(int ac, const char* av[])
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{
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// get command line options
xmreg::CmdLineOptions opts {ac, av};
auto help_opt = opts.get_option<bool>("help");
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// if help was chosen, display help text and finish
if (*help_opt)
{
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return EXIT_SUCCESS;
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}
auto port_opt = opts.get_option<string>("port");
auto bc_path_opt = opts.get_option<string>("bc-path");
auto deamon_url_opt = opts.get_option<string>("deamon-url");
auto ssl_crt_file_opt = opts.get_option<string>("ssl-crt-file");
auto ssl_key_file_opt = opts.get_option<string>("ssl-key-file");
auto no_blocks_on_index_opt = opts.get_option<string>("no-blocks-on-index");
auto testnet_url = opts.get_option<string>("testnet-url");
auto mainnet_url = opts.get_option<string>("mainnet-url");
auto network_info_timeout_opt = opts.get_option<string>("network-info-timeout");
auto mempool_info_timeout_opt = opts.get_option<string>("mempool-info-timeout");
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auto mempool_refresh_time_opt = opts.get_option<string>("mempool-refresh-time");
auto testnet_opt = opts.get_option<bool>("testnet");
auto enable_key_image_checker_opt = opts.get_option<bool>("enable-key-image-checker");
auto enable_output_key_checker_opt = opts.get_option<bool>("enable-output-key-checker");
auto enable_autorefresh_option_opt = opts.get_option<bool>("enable-autorefresh-option");
auto enable_pusher_opt = opts.get_option<bool>("enable-pusher");
auto enable_mixin_details_opt = opts.get_option<bool>("enable-mixin-details");
auto enable_json_api_opt = opts.get_option<bool>("enable-json-api");
auto enable_tx_cache_opt = opts.get_option<bool>("enable-tx-cache");
auto enable_block_cache_opt = opts.get_option<bool>("enable-block-cache");
auto show_cache_times_opt = opts.get_option<bool>("show-cache-times");
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auto enable_emission_monitor_opt = opts.get_option<bool>("enable-emission-monitor");
bool testnet {*testnet_opt};
bool enable_pusher {*enable_pusher_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_tx_cache {*enable_tx_cache_opt};
bool enable_block_cache {*enable_block_cache_opt};
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bool enable_emission_monitor {*enable_emission_monitor_opt};
bool show_cache_times {*show_cache_times_opt};
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// set monero log output level
uint32_t log_level = 0;
mlog_configure("", true);
//cast port number in string to uint
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uint16_t app_port = boost::lexical_cast<uint16_t>(*port_opt);
// cast no_blocks_on_index_opt to uint
uint64_t no_blocks_on_index = boost::lexical_cast<uint64_t>(*no_blocks_on_index_opt);
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bool use_ssl {false};
string ssl_crt_file;
string ssl_key_file;
// check if ssl enabled and files exist
if (ssl_crt_file_opt and ssl_key_file_opt)
{
if (!boost::filesystem::exists(boost::filesystem::path(*ssl_crt_file_opt)))
{
cerr << "ssl_crt_file path: " << *ssl_crt_file_opt
<< "does not exist!" << endl;
return EXIT_FAILURE;
}
if (!boost::filesystem::exists(boost::filesystem::path(*ssl_key_file_opt)))
{
cerr << "ssl_key_file path: " << *ssl_key_file_opt
<< "does not exist!" << endl;
return EXIT_FAILURE;
}
ssl_crt_file = *ssl_crt_file_opt;
ssl_key_file = *ssl_key_file_opt;
use_ssl = true;
}
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// get blockchain path
path blockchain_path;
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if (!xmreg::get_blockchain_path(bc_path_opt, blockchain_path, testnet))
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{
cerr << "Error getting blockchain path." << endl;
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return EXIT_FAILURE;
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}
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cout << blockchain_path << endl;
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// create instance of our MicroCore
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// and make pointer to the Blockchain
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xmreg::MicroCore mcore;
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cryptonote::Blockchain* core_storage;
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// initialize mcore and core_storage
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if (!xmreg::init_blockchain(blockchain_path.string(),
mcore, core_storage))
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{
cerr << "Error accessing blockchain." << endl;
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return EXIT_FAILURE;
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}
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string deamon_url {*deamon_url_opt};
if (testnet && deamon_url == "http:://127.0.0.1:18081")
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{
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deamon_url = "http:://127.0.0.1:28081";
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}
uint64_t network_info_timeout {1000};
uint64_t mempool_info_timeout {5000};
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try
{
network_info_timeout = boost::lexical_cast<uint64_t>(*network_info_timeout_opt);
mempool_info_timeout = boost::lexical_cast<uint64_t>(*mempool_info_timeout_opt);
}
catch (boost::bad_lexical_cast &e)
{
cout << "Cant cast " << (*network_info_timeout_opt)
<< " or/and " << (*mempool_info_timeout_opt) <<" into numbers. Using default values."
<< endl;
}
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uint64_t mempool_refresh_time {10};
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if (enable_emission_monitor == true)
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{
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// This starts new thread, which aim is
// to calculate, store and monitor
// current total Monero emission amount.
// This thread stores the current emission
// which it has caluclated in
// <blockchain_path>/emission_amount.txt file,
// e.g., ~/.bitmonero/lmdb/emission_amount.txt.
// So instead of calcualting the emission
// from scrach whenever the explorer is started,
// the thread is initalized with the values
// found in emission_amount.txt file.
xmreg::CurrentBlockchainStatus::blockchain_path
= blockchain_path;
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xmreg::CurrentBlockchainStatus::testnet
= testnet;
xmreg::CurrentBlockchainStatus::deamon_url
= deamon_url;
xmreg::CurrentBlockchainStatus::set_blockchain_variables(
&mcore, core_storage);
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// launch the status monitoring thread so that it keeps track of blockchain
// info, e.g., current height. Information from this thread is used
// by tx searching threads that are launched for each user independently,
// when they log back or create new account.
xmreg::CurrentBlockchainStatus::start_monitor_blockchain_thread();
}
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xmreg::MempoolStatus::blockchain_path
= blockchain_path;
xmreg::MempoolStatus::testnet
= testnet;
xmreg::MempoolStatus::deamon_url
= deamon_url;
xmreg::MempoolStatus::set_blockchain_variables(
&mcore, core_storage);
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try
{
mempool_refresh_time = boost::lexical_cast<uint64_t>(*mempool_refresh_time_opt);
}
catch (boost::bad_lexical_cast &e)
{
cout << "Cant cast " << (*mempool_refresh_time_opt)
<<" into number. Using default value."
<< endl;
}
// launch the status monitoring thread so that it keeps track of blockchain
// info, e.g., current height. Information from this thread is used
// by tx searching threads that are launched for each user independently,
// when they log back or create new account.
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xmreg::MempoolStatus::mempool_refresh_time = mempool_refresh_time;
xmreg::MempoolStatus::start_mempool_status_thread();
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// create instance of page class which
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// contains logic for the website
xmreg::page xmrblocks(&mcore,
core_storage,
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deamon_url,
testnet,
enable_pusher,
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,
network_info_timeout,
mempool_info_timeout,
*testnet_url,
*mainnet_url);
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// crow instance
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crow::SimpleApp app;
CROW_ROUTE(app, "/")
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([&](const crow::request& req) {
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return crow::response(xmrblocks.index2());
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});
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CROW_ROUTE(app, "/page/<uint>")
([&](size_t page_no) {
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return xmrblocks.index2(page_no);
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});
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CROW_ROUTE(app, "/block/<uint>")
([&](const crow::request& req, size_t block_height) {
return crow::response(xmrblocks.show_block(block_height));
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});
CROW_ROUTE(app, "/block/<string>")
([&](const crow::request& req, string block_hash) {
return crow::response(xmrblocks.show_block(block_hash));
});
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CROW_ROUTE(app, "/tx/<string>")
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([&](const crow::request& req, string tx_hash) {
return crow::response(xmrblocks.show_tx(tx_hash));
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});
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CROW_ROUTE(app, "/tx/<string>/<uint>")
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([&](string tx_hash, uint16_t with_ring_signatures) {
return xmrblocks.show_tx(tx_hash, with_ring_signatures);
});
CROW_ROUTE(app, "/myoutputs").methods("POST"_method)
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([&](const crow::request& req) {
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map<std::string, std::string> post_body
= xmreg::parse_crow_post_data(req.body);
if (post_body.count("xmr_address") == 0
|| post_body.count("viewkey") == 0
|| post_body.count("tx_hash") == 0)
{
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return string("xmr address, viewkey or tx hash not provided");
}
string tx_hash = post_body["tx_hash"];
string xmr_address = post_body["xmr_address"];
string viewkey = post_body["viewkey"];
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// this will be only not empty when checking raw tx data
// using tx pusher
string raw_tx_data = post_body["raw_tx_data"];
return xmrblocks.show_my_outputs(tx_hash, xmr_address,
viewkey, raw_tx_data);
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});
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CROW_ROUTE(app, "/prove").methods("POST"_method)
([&](const crow::request& req) {
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map<std::string, std::string> post_body
= xmreg::parse_crow_post_data(req.body);
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if (post_body.count("xmraddress") == 0
|| post_body.count("txprvkey") == 0
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|| post_body.count("txhash") == 0)
{
return string("xmr address, tx private key or "
"tx hash not provided");
}
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string tx_hash = post_body["txhash"];;
string tx_prv_key = post_body["txprvkey"];;
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string xmr_address = post_body["xmraddress"];;
return xmrblocks.show_prove(tx_hash, xmr_address, tx_prv_key);
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});
if (enable_pusher)
{
CROW_ROUTE(app, "/rawtx")
([&](const crow::request& req) {
return xmrblocks.show_rawtx();
});
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CROW_ROUTE(app, "/checkandpush").methods("POST"_method)
([&](const crow::request& req) {
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map<std::string, std::string> post_body
= xmreg::parse_crow_post_data(req.body);
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if (post_body.count("rawtxdata") == 0 || post_body.count("action") == 0)
{
return string("Raw tx data or action not provided");
}
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string raw_tx_data = post_body["rawtxdata"];
string action = post_body["action"];
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if (action == "check")
return xmrblocks.show_checkrawtx(raw_tx_data, action);
else if (action == "push")
return xmrblocks.show_pushrawtx(raw_tx_data, action);
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});
}
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if (enable_key_image_checker)
{
CROW_ROUTE(app, "/rawkeyimgs")
([&](const crow::request& req) {
return xmrblocks.show_rawkeyimgs();
});
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CROW_ROUTE(app, "/checkrawkeyimgs").methods("POST"_method)
([&](const crow::request& req) {
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map<std::string, std::string> post_body
= xmreg::parse_crow_post_data(req.body);
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if (post_body.count("rawkeyimgsdata") == 0)
{
return string("Raw key images data not given");
}
if (post_body.count("viewkey") == 0)
{
return string("Viewkey not provided. Cant decrypt key image file without it");
}
string raw_data = post_body["rawkeyimgsdata"];
string viewkey = post_body["viewkey"];
return xmrblocks.show_checkrawkeyimgs(raw_data, viewkey);
});
}
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if (enable_output_key_checker)
{
CROW_ROUTE(app, "/rawoutputkeys")
([&](const crow::request& req) {
return xmrblocks.show_rawoutputkeys();
});
CROW_ROUTE(app, "/checkrawoutputkeys").methods("POST"_method)
([&](const crow::request& req) {
map<std::string, std::string> post_body
= xmreg::parse_crow_post_data(req.body);
if (post_body.count("rawoutputkeysdata") == 0)
{
return string("Raw output keys data not given");
}
if (post_body.count("viewkey") == 0)
{
return string("Viewkey not provided. Cant decrypt "
"key image file without it");
}
string raw_data = post_body["rawoutputkeysdata"];
string viewkey = post_body["viewkey"];
return xmrblocks.show_checkcheckrawoutput(raw_data, viewkey);
});
}
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CROW_ROUTE(app, "/search").methods("GET"_method)
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([&](const crow::request& req) {
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return xmrblocks.search(string(req.url_params.get("value")));
});
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CROW_ROUTE(app, "/mempool")
([&](const crow::request& req) {
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return xmrblocks.mempool(true);
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});
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CROW_ROUTE(app, "/robots.txt")
([&]() {
string text = "User-agent: *\n"
"Disallow: ";
return text;
});
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if (enable_json_api)
{
CROW_ROUTE(app, "/api/transaction/<string>")
([&](const crow::request &req, string tx_hash) {
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myxmr::jsonresponse r{xmrblocks.json_transaction(tx_hash)};
return r;
});
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CROW_ROUTE(app, "/api/rawtransaction/<string>")
([&](const crow::request &req, string tx_hash) {
myxmr::jsonresponse r{xmrblocks.json_rawtransaction(tx_hash)};
return r;
});
CROW_ROUTE(app, "/api/block/<string>")
([&](const crow::request &req, string block_no_or_hash) {
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myxmr::jsonresponse r{xmrblocks.json_block(block_no_or_hash)};
return r;
});
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CROW_ROUTE(app, "/api/rawblock/<string>")
([&](const crow::request &req, string block_no_or_hash) {
myxmr::jsonresponse r{xmrblocks.json_rawblock(block_no_or_hash)};
return r;
});
CROW_ROUTE(app, "/api/transactions").methods("GET"_method)
([&](const crow::request &req) {
string page = regex_search(req.raw_url, regex {"page=\\d+"}) ?
req.url_params.get("page") : "0";
string limit = regex_search(req.raw_url, regex {"limit=\\d+"}) ?
req.url_params.get("limit") : "25";
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myxmr::jsonresponse r{xmrblocks.json_transactions(page, limit)};
return r;
});
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CROW_ROUTE(app, "/api/mempool").methods("GET"_method)
([&](const crow::request &req) {
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string page = regex_search(req.raw_url, regex {"page=\\d+"}) ?
req.url_params.get("page") : "0";
// default value for limit is some large number, so that
// a call to api/mempool without any limit return all
// mempool txs
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string limit = regex_search(req.raw_url, regex {"limit=\\d+"}) ?
req.url_params.get("limit") : "100000000";
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myxmr::jsonresponse r{xmrblocks.json_mempool(page, limit)};
return r;
});
CROW_ROUTE(app, "/api/search/<string>")
([&](const crow::request &req, string search_value) {
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myxmr::jsonresponse r{xmrblocks.json_search(search_value)};
return r;
});
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CROW_ROUTE(app, "/api/networkinfo")
([&](const crow::request &req) {
myxmr::jsonresponse r{xmrblocks.json_networkinfo()};
return r;
});
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CROW_ROUTE(app, "/api/emission")
([&](const crow::request &req) {
myxmr::jsonresponse r{xmrblocks.json_emission()};
return r;
});
CROW_ROUTE(app, "/api/outputs").methods("GET"_method)
([&](const crow::request &req) {
string tx_hash = regex_search(req.raw_url, regex {"txhash=\\w+"}) ?
req.url_params.get("txhash") : "";
string address = regex_search(req.raw_url, regex {"address=\\w+"}) ?
req.url_params.get("address") : "";
string viewkey = regex_search(req.raw_url, regex {"viewkey=\\w+"}) ?
req.url_params.get("viewkey") : "";
bool tx_prove{false};
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try
{
tx_prove = regex_search(req.raw_url, regex {"txprove=[01]"}) ?
boost::lexical_cast<bool>(req.url_params.get("txprove")) :
false;
}
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catch (const boost::bad_lexical_cast &e)
{
cerr << "Cant parse tx_prove as bool. Using default value" << endl;
}
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myxmr::jsonresponse r{xmrblocks.json_outputs(tx_hash, address, viewkey, tx_prove)};
return r;
});
}
if (enable_autorefresh_option)
{
CROW_ROUTE(app, "/autorefresh")
([&]() {
uint64_t page_no {0};
bool refresh_page {true};
return xmrblocks.index2(page_no, refresh_page);
});
}
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// run the crow http server
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if (use_ssl)
{
cout << "Staring in ssl mode" << endl;
app.port(app_port).ssl_file(ssl_crt_file, ssl_key_file)
.multithreaded().run();
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}
else
{
cout << "Staring in non-ssl mode" << endl;
app.port(app_port).multithreaded().run();
}
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if (enable_emission_monitor == true)
{
// finish Emission monitoring thread in a cotrolled manner.
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cout << "Waiting for emission monitoring thread to finish." << endl;
xmreg::CurrentBlockchainStatus::m_thread.interrupt();
xmreg::CurrentBlockchainStatus::m_thread.join();
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cout << "Emission monitoring thread finished." << endl;
}
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// finish mempool thread
cout << "Waiting for mempool monitoring thread to finish." << endl;
xmreg::MempoolStatus::m_thread.interrupt();
xmreg::MempoolStatus::m_thread.join();
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cout << "Mempool monitoring thread finished." << endl;
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cout << "The explorer is terminating." << endl;
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return EXIT_SUCCESS;
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}