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https://github.com/EvernodeXRPL/hpcore.git
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ba0cae019d
* Refactored consensus into 3 stages and removed stage 0. * Consensus threshold calculation improvements. * Refactored candidate user input processing. * Renamed proposal sent timestamp field. * Introduced comm_session display name.
89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
#ifndef _HP_USR_
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#define _HP_USR_
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#include "../pchheader.hpp"
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#include "../util.hpp"
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#include "../comm/comm_server.hpp"
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#include "../comm/comm_session.hpp"
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#include "../msg/usrmsg_parser.hpp"
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#include "user_session_handler.hpp"
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#include "user_input.hpp"
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/**
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* Maintains the global user list with pending input outputs and manages user connections.
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*/
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namespace usr
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{
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/**
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* Holds information about an authenticated (challenge-verified) user
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* connected to the HotPocket node.
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*/
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struct connected_user
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{
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// User binary public key
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const std::string pubkey;
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// Holds the unprocessed user inputs collected from websocket.
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std::list<user_input> submitted_inputs;
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// Holds the unprocessed read requests collected from websocket.
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std::list<std::string> read_requests;
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// Holds the websocket session of this user.
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// We don't need to own the session object since the lifetime of user and session are coupled.
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comm::comm_session &session;
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// The messaging protocol used by this user.
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const util::PROTOCOL protocol = util::PROTOCOL::JSON;
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/**
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* @param session The web socket session the user is connected to.
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* @param pubkey The public key of the user in binary format.
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*/
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connected_user(comm::comm_session &session, std::string_view pubkey, util::PROTOCOL protocol)
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: session(session), pubkey(pubkey), protocol(protocol)
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{
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}
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};
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/**
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* The context struct to hold global connected-users and related objects.
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*/
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struct connected_context
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{
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// Connected (authenticated) user list.
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// Map key: User pubkey. Value: User info object.
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std::unordered_map<std::string, usr::connected_user> users;
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std::mutex users_mutex; // Mutex for users access race conditions.
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comm::comm_server listener;
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};
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extern connected_context ctx;
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int init();
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void deinit();
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int start_listening();
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int verify_challenge(std::string_view message, comm::comm_session &session);
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int handle_user_message(connected_user &user, std::string_view message);
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void send_input_status(const msg::usrmsg::usrmsg_parser &parser, comm::comm_session &session,
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std::string_view status, std::string_view reason, std::string_view input_sig);
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int add_user(comm::comm_session &session, const std::string &user_pubkey_hex, std::string_view protocol_code);
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int remove_user(const std::string &pubkey);
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const char *validate_user_input_submission(const std::string_view user_pubkey, const usr::user_input &umsg,
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const uint64_t lcl_seq_no, size_t &total_input_len,
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util::rollover_hashset &recent_user_input_hashes,
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std::string &hash, std::string &input, uint64_t &max_lcl_seqno);
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bool verify_appbill_check(std::string_view pubkey, const size_t input_len);
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} // namespace usr
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#endif |