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#include "bootstrap_daemon.h"
#include <stdexcept>
#include <boost/thread/locks.hpp>
#include "crypto/crypto.h"
#include "cryptonote_core/cryptonote_core.h"
#include "misc_log_ex.h"
#undef MONERO_DEFAULT_LOG_CATEGORY
#define MONERO_DEFAULT_LOG_CATEGORY "daemon.rpc.bootstrap_daemon"
namespace cryptonote
{
bootstrap_daemon::bootstrap_daemon(
std::function<std::map<std::string, bool>()> get_public_nodes,
bool rpc_payment_enabled)
: m_selector(new bootstrap_node::selector_auto(std::move(get_public_nodes)))
, m_rpc_payment_enabled(rpc_payment_enabled)
{
}
bootstrap_daemon::bootstrap_daemon(
const std::string &address,
boost::optional<epee::net_utils::http::login> credentials,
bool rpc_payment_enabled)
: m_selector(nullptr)
, m_rpc_payment_enabled(rpc_payment_enabled)
{
if (!set_server(address, std::move(credentials)))
{
throw std::runtime_error("invalid bootstrap daemon address or credentials");
}
}
std::string bootstrap_daemon::address() const noexcept
{
const auto& host = m_http_client.get_host();
if (host.empty())
{
return std::string();
}
return host + ":" + m_http_client.get_port();
}
boost::optional<uint64_t> bootstrap_daemon::get_height()
{
cryptonote::COMMAND_RPC_GET_HEIGHT::request req;
cryptonote::COMMAND_RPC_GET_HEIGHT::response res;
if (!invoke_http_json("/getheight", req, res))
{
return boost::none;
}
if (res.status != CORE_RPC_STATUS_OK)
{
return boost::none;
}
return res.height;
}
bool bootstrap_daemon::handle_result(bool success, const std::string &status)
{
const bool failed = !success || (!m_rpc_payment_enabled && status == CORE_RPC_STATUS_PAYMENT_REQUIRED);
if (failed && m_selector)
{
const std::string current_address = address();
m_http_client.disconnect();
const boost::unique_lock<boost::mutex> lock(m_selector_mutex);
m_selector->handle_result(current_address, !failed);
}
return success;
}
bool bootstrap_daemon::set_server(const std::string &address, const boost::optional<epee::net_utils::http::login> &credentials /* = boost::none */)
{
if (!m_http_client.set_server(address, credentials))
{
MERROR("Failed to set bootstrap daemon address " << address);
return false;
}
MINFO("Changed bootstrap daemon address to " << address);
return true;
}
bool bootstrap_daemon::switch_server_if_needed()
{
if (m_http_client.is_connected() || !m_selector)
{
return true;
}
boost::optional<bootstrap_node::node_info> node;
{
const boost::unique_lock<boost::mutex> lock(m_selector_mutex);
node = m_selector->next_node();
}
if (node) {
return set_server(node->address, node->credentials);
}
return false;
}
}
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