net.cpp

// Copyright (c) 2009-2016 The Bitcoin Core developers
// Copyright (c) 2022 The Dogecoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include "rpc/server.h"

#include "chainparams.h"
#include "clientversion.h"
#include "validation.h"
#include "net.h"
#include "net_processing.h"
#include "netbase.h"
#include "policy/policy.h"
#include "protocol.h"
#include "sync.h"
#include "timedata.h"
#include "ui_interface.h"
#include "util.h"
#include "utilmoneystr.h"
#include "utilstrencodings.h"
#include "version.h"

#include <boost/foreach.hpp>

#include <univalue.h>

using namespace std;

UniValue getconnectioncount(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() != 0)
        throw runtime_error(
            "getconnectioncount\n"
            "\nReturns the number of connections to other nodes.\n"
            "\nResult:\n"
            "n          (numeric) The connection count\n"
            "\nExamples:\n"
            + HelpExampleCli("getconnectioncount", "")
            + HelpExampleRpc("getconnectioncount", "")
        );

    if(!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    return (int)g_connman->GetNodeCount(CConnman::CONNECTIONS_ALL);
}

UniValue setmaxconnections(const JSONRPCRequest& request)
{
    int newMaxCount = 0;
    const std::string minConnCount = to_string(MAX_ADDNODE_CONNECTIONS);

    if (request.fHelp || request.params.size() != 1)
        throw runtime_error(
            "setmaxconnections\n"
            "\nSets the maximum number of connections to other nodes.\n"
            "\nArguments:\n"
            "1. maxconnectioncount     (numeric, required) The new maximum connection count (must be >= " + minConnCount + ")\n"
            "\nResult:\n"
            "n          (boolean) True or false connection count\n"
            "\nExamples:\n"
            + HelpExampleCli("setmaxconnections", "20")
            + HelpExampleRpc("setmaxconnections", minConnCount)
        );
    else
        newMaxCount = request.params[0].get_int();

    if (newMaxCount < MAX_ADDNODE_CONNECTIONS)
        throw JSONRPCError(RPC_INVALID_PARAMETER, "Error: maxconnectioncount must be >= " + minConnCount);

    if(!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    g_connman->SetMaxConnections(newMaxCount);

    return true;
}

UniValue ping(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() != 0)
        throw runtime_error(
            "ping\n"
            "\nRequests that a ping be sent to all other nodes, to measure ping time.\n"
            "Results provided in getpeerinfo, pingtime and pingwait fields are decimal seconds.\n"
            "Ping command is handled in queue with all other commands, so it measures processing backlog, not just network ping.\n"
            "\nExamples:\n"
            + HelpExampleCli("ping", "")
            + HelpExampleRpc("ping", "")
        );

    if(!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    // Request that each node send a ping during next message processing pass
    g_connman->ForEachNode([](CNode* pnode) {
        pnode->fPingQueued = true;
    });
    return NullUniValue;
}

UniValue getpeerinfo(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() != 0)
        throw runtime_error(
            "getpeerinfo\n"
            "\nReturns data about each connected network node as a json array of objects.\n"
            "\nResult:\n"
            "[\n"
            "  {\n"
            "    \"id\": n,                   (numeric) Peer index\n"
            "    \"addr\":\"host:port\",      (string) The ip address and port of the peer\n"
            "    \"addrlocal\":\"ip:port\",   (string) local address\n"
            "    \"services\":\"xxxxxxxxxxxxxxxx\",   (string) The services offered\n"
            "    \"relaytxes\":true|false,    (boolean) Whether peer has asked us to relay transactions to it\n"
            "    \"lastsend\": ttt,           (numeric) The time in seconds since epoch (Jan 1 1970 GMT) of the last send\n"
            "    \"lastrecv\": ttt,           (numeric) The time in seconds since epoch (Jan 1 1970 GMT) of the last receive\n"
            "    \"bytessent\": n,            (numeric) The total bytes sent\n"
            "    \"bytesrecv\": n,            (numeric) The total bytes received\n"
            "    \"conntime\": ttt,           (numeric) The connection time in seconds since epoch (Jan 1 1970 GMT)\n"
            "    \"timeoffset\": ttt,         (numeric) The time offset in seconds\n"
            "    \"pingtime\": n,             (numeric) ping time (if available)\n"
            "    \"minping\": n,              (numeric) minimum observed ping time (if any at all)\n"
            "    \"pingwait\": n,             (numeric) ping wait (if non-zero)\n"
            "    \"version\": v,              (numeric) The peer version, such as 7001\n"
            "    \"subver\": \"/Satoshi:0.8.5/\",  (string) The string version\n"
            "    \"inbound\": true|false,     (boolean) Inbound (true) or Outbound (false)\n"
            "    \"addnode\": true|false,     (boolean) Whether connection was due to addnode and is using an addnode slot\n"
            "    \"startingheight\": n,       (numeric) The starting height (block) of the peer\n"
            "    \"feefilter\": \"decimal\",  (string)  The value of the last feefilter set by this peer, in DOGE\n"
            "    \"banscore\": n,             (numeric) The ban score\n"
            "    \"synced_headers\": n,       (numeric) The last header we have in common with this peer\n"
            "    \"synced_blocks\": n,        (numeric) The last block we have in common with this peer\n"
            "    \"inflight\": [\n"
            "       n,                        (numeric) The heights of blocks we're currently asking from this peer\n"
            "       ...\n"
            "    ],\n"
            "    \"addr_processed\": n,       (numeric) The total number of addresses processed, excluding those dropped due to rate limiting\n"
            "    \"addr_rate_limited\": n,    (numeric) The total number of addresses dropped due to rate limiting\n"
            "    \"whitelisted\": true|false, (boolean) Whether the peer is whitelisted\n"
            "    \"bytessent_per_msg\": {\n"
            "       \"addr\": n,              (numeric) The total bytes sent aggregated by message type\n"
            "       ...\n"
            "    },\n"
            "    \"bytesrecv_per_msg\": {\n"
            "       \"addr\": n,              (numeric) The total bytes received aggregated by message type\n"
            "       ...\n"
            "    }\n"
            "  }\n"
            "  ,...\n"
            "]\n"
            "\nExamples:\n"
            + HelpExampleCli("getpeerinfo", "")
            + HelpExampleRpc("getpeerinfo", "")
        );

    if(!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    vector<CNodeStats> vstats;
    g_connman->GetNodeStats(vstats);

    UniValue ret(UniValue::VARR);

    BOOST_FOREACH(const CNodeStats& stats, vstats) {
        UniValue obj(UniValue::VOBJ);
        CNodeStateStats statestats;
        bool fStateStats = GetNodeStateStats(stats.nodeid, statestats);
        obj.pushKV("id", stats.nodeid);
        obj.pushKV("addr", stats.addrName);
        if (!(stats.addrLocal.empty()))
            obj.pushKV("addrlocal", stats.addrLocal);
        obj.pushKV("services", strprintf("%016x", stats.nServices));
        obj.pushKV("relaytxes", stats.fRelayTxes);
        obj.pushKV("lastsend", stats.nLastSend);
        obj.pushKV("lastrecv", stats.nLastRecv);
        obj.pushKV("bytessent", stats.nSendBytes);
        obj.pushKV("bytesrecv", stats.nRecvBytes);
        obj.pushKV("conntime", stats.nTimeConnected);
        obj.pushKV("timeoffset", stats.nTimeOffset);
        if (stats.dPingTime > 0.0)
            obj.pushKV("pingtime", stats.dPingTime);
        if (stats.dMinPing < std::numeric_limits<int64_t>::max()/1e6)
            obj.pushKV("minping", stats.dMinPing);
        if (stats.dPingWait > 0.0)
            obj.pushKV("pingwait", stats.dPingWait);
        obj.pushKV("version", stats.nVersion);
        // Use the sanitized form of subver here, to avoid tricksy remote peers from
        // corrupting or modifying the JSON output by putting special characters in
        // their ver message.
        obj.pushKV("subver", stats.cleanSubVer);
        obj.pushKV("inbound", stats.fInbound);
        obj.pushKV("addnode", stats.fAddnode);
        obj.pushKV("startingheight", stats.nStartingHeight);
        obj.pushKV("feefilter", FormatMoney(stats.minFeeFilter));
        if (fStateStats) {
            obj.pushKV("banscore", statestats.nMisbehavior);
            obj.pushKV("synced_headers", statestats.nSyncHeight);
            obj.pushKV("synced_blocks", statestats.nCommonHeight);
            UniValue heights(UniValue::VARR);
            BOOST_FOREACH(int height, statestats.vHeightInFlight) {
                heights.push_back(height);
            }
            obj.pushKV("inflight", heights);
        }
        obj.pushKV("addr_processed", stats.nProcessedAddrs);
        obj.pushKV("addr_rate_limited", stats.nRatelimitedAddrs);
        obj.pushKV("whitelisted", stats.fWhitelisted);

        UniValue sendPerMsgCmd(UniValue::VOBJ);
        BOOST_FOREACH(const mapMsgCmdSize::value_type &i, stats.mapSendBytesPerMsgCmd) {
            if (i.second > 0)
                sendPerMsgCmd.pushKV(i.first, i.second);
        }
        obj.pushKV("bytessent_per_msg", sendPerMsgCmd);

        UniValue recvPerMsgCmd(UniValue::VOBJ);
        BOOST_FOREACH(const mapMsgCmdSize::value_type &i, stats.mapRecvBytesPerMsgCmd) {
            if (i.second > 0)
                recvPerMsgCmd.pushKV(i.first, i.second);
        }
        obj.pushKV("bytesrecv_per_msg", recvPerMsgCmd);

        ret.push_back(obj);
    }

    return ret;
}

UniValue addnode(const JSONRPCRequest& request)
{
    string strCommand;
    if (request.params.size() == 2)
        strCommand = request.params[1].get_str();
    if (request.fHelp || request.params.size() != 2 ||
        (strCommand != "onetry" && strCommand != "add" && strCommand != "remove"))
        throw runtime_error(
            "addnode \"node\" \"add|remove|onetry\"\n"
            "\nAttempts add or remove a node from the addnode list.\n"
            "Or try a connection to a node once.\n"
            "\nArguments:\n"
            "1. \"node\"     (string, required) The node (see getpeerinfo for nodes)\n"
            "2. \"command\"  (string, required) 'add' to add a node to the list, 'remove' to remove a node from the list, 'onetry' to try a connection to the node once\n"
            "\nExamples:\n"
            + HelpExampleCli("addnode", "\"192.168.0.6:22556\" \"onetry\"")
            + HelpExampleRpc("addnode", "\"192.168.0.6:22556\", \"onetry\"")
        );

    if(!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    string strNode = request.params[0].get_str();

    if (strNode.size() > 256) {
      throw JSONRPCError(RPC_CLIENT_NODE_ADDRESS_INVALID, "Error: Node address is invalid");
    }

    if (strCommand == "onetry")
    {
        CAddress addr;
        g_connman->OpenNetworkConnection(addr, false, NULL, strNode.c_str());
        return NullUniValue;
    }

    if (strCommand == "add")
    {
        if(!g_connman->AddNode(strNode))
            throw JSONRPCError(RPC_CLIENT_NODE_ALREADY_ADDED, "Error: Unable to add node");
    }
    else if(strCommand == "remove")
    {
        if(!g_connman->RemoveAddedNode(strNode))
            throw JSONRPCError(RPC_CLIENT_NODE_NOT_ADDED, "Error: Node has not been added.");
    }

    return NullUniValue;
}

UniValue disconnectnode(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() != 1)
        throw std::runtime_error(
            "disconnectnode \"address\" \n"
            "\nImmediately disconnects from the specified node.\n"
            "\nArguments:\n"
            "1. \"address\"     (string, required) The IP address/port of the node\n"
            "\nExamples:\n"
            + HelpExampleCli("disconnectnode", "\"192.168.0.6:22556\"")
            + HelpExampleRpc("disconnectnode", "\"192.168.0.6:22556\"")
        );

    if(!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    bool ret = g_connman->DisconnectNode(request.params[0].get_str());
    if (!ret)
        throw JSONRPCError(RPC_CLIENT_NODE_NOT_CONNECTED, "Node not found in connected nodes");

    return NullUniValue;
}

UniValue getaddednodeinfo(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() > 1)
        throw runtime_error(
            "getaddednodeinfo ( \"node\" )\n"
            "\nReturns information about the given added node, or all added nodes\n"
            "(note that onetry addnodes are not listed here)\n"
            "\nArguments:\n"
            "1. \"node\"   (string, optional) If provided, return information about this specific node, otherwise all nodes are returned.\n"
            "\nResult:\n"
            "[\n"
            "  {\n"
            "    \"addednode\" : \"192.168.0.201\",   (string) The node ip address or name (as provided to addnode)\n"
            "    \"connected\" : true|false,          (boolean) If connected\n"
            "    \"addresses\" : [                    (list of objects) Only when connected = true\n"
            "       {\n"
            "         \"address\" : \"192.168.0.201:22556\", (string) The dogecoin server IP and port we're connected to\n"
            "         \"connected\" : \"outbound\"           (string) connection, inbound or outbound\n"
            "       }\n"
            "     ]\n"
            "  }\n"
            "  ,...\n"
            "]\n"
            "\nExamples:\n"
            + HelpExampleCli("getaddednodeinfo", "true")
            + HelpExampleCli("getaddednodeinfo", "true \"192.168.0.201\"")
            + HelpExampleRpc("getaddednodeinfo", "true, \"192.168.0.201\"")
        );

    if(!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    std::vector<AddedNodeInfo> vInfo = g_connman->GetAddedNodeInfo();

    if (request.params.size() == 1) {
        bool found = false;
        for (const AddedNodeInfo& info : vInfo) {
            if (info.strAddedNode == request.params[0].get_str()) {
                vInfo.assign(1, info);
                found = true;
                break;
            }
        }
        if (!found) {
            throw JSONRPCError(RPC_CLIENT_NODE_NOT_ADDED, "Error: Node has not been added.");
        }
    }

    UniValue ret(UniValue::VARR);

    for (const AddedNodeInfo& info : vInfo) {
        UniValue obj(UniValue::VOBJ);
        obj.pushKV("addednode", info.strAddedNode);
        obj.pushKV("connected", info.fConnected);
        UniValue addresses(UniValue::VARR);
        if (info.fConnected) {
            UniValue address(UniValue::VOBJ);
            address.pushKV("address", info.resolvedAddress.ToString());
            address.pushKV("connected", info.fInbound ? "inbound" : "outbound");
            addresses.push_back(address);
        }
        obj.pushKV("addresses", addresses);
        ret.push_back(obj);
    }

    return ret;
}

UniValue getnettotals(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() > 0)
        throw runtime_error(
            "getnettotals\n"
            "\nReturns information about network traffic, including bytes in, bytes out,\n"
            "and current time.\n"
            "\nResult:\n"
            "{\n"
            "  \"totalbytesrecv\": n,   (numeric) Total bytes received\n"
            "  \"totalbytessent\": n,   (numeric) Total bytes sent\n"
            "  \"timemillis\": t,       (numeric) Current UNIX time in milliseconds\n"
            "  \"uploadtarget\":\n"
            "  {\n"
            "    \"timeframe\": n,                         (numeric) Length of the measuring timeframe in seconds\n"
            "    \"target\": n,                            (numeric) Target in bytes\n"
            "    \"target_reached\": true|false,           (boolean) True if target is reached\n"
            "    \"serve_historical_blocks\": true|false,  (boolean) True if serving historical blocks\n"
            "    \"bytes_left_in_cycle\": t,               (numeric) Bytes left in current time cycle\n"
            "    \"time_left_in_cycle\": t                 (numeric) Seconds left in current time cycle\n"
            "  }\n"
            "}\n"
            "\nExamples:\n"
            + HelpExampleCli("getnettotals", "")
            + HelpExampleRpc("getnettotals", "")
       );
    if(!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    UniValue obj(UniValue::VOBJ);
    obj.pushKV("totalbytesrecv", g_connman->GetTotalBytesRecv());
    obj.pushKV("totalbytessent", g_connman->GetTotalBytesSent());
    obj.pushKV("timemillis", GetTimeMillis());

    UniValue outboundLimit(UniValue::VOBJ);
    outboundLimit.pushKV("timeframe", g_connman->GetMaxOutboundTimeframe());
    outboundLimit.pushKV("target", g_connman->GetMaxOutboundTarget());
    outboundLimit.pushKV("target_reached", g_connman->OutboundTargetReached(false));
    outboundLimit.pushKV("serve_historical_blocks", !g_connman->OutboundTargetReached(true));
    outboundLimit.pushKV("bytes_left_in_cycle", g_connman->GetOutboundTargetBytesLeft());
    outboundLimit.pushKV("time_left_in_cycle", g_connman->GetMaxOutboundTimeLeftInCycle());
    obj.pushKV("uploadtarget", outboundLimit);
    return obj;
}

static UniValue GetNetworksInfo()
{
    UniValue networks(UniValue::VARR);
    for(int n=0; n<NET_MAX; ++n)
    {
        enum Network network = static_cast<enum Network>(n);
        if(network == NET_UNROUTABLE)
            continue;
        proxyType proxy;
        UniValue obj(UniValue::VOBJ);
        GetProxy(network, proxy);
        obj.pushKV("name", GetNetworkName(network));
        obj.pushKV("limited", IsLimited(network));
        obj.pushKV("reachable", IsReachable(network));
        obj.pushKV("proxy", proxy.IsValid() ? proxy.proxy.ToStringIPPort() : string());
        obj.pushKV("proxy_randomize_credentials", proxy.randomize_credentials);
        networks.push_back(obj);
    }
    return networks;
}

UniValue getnetworkinfo(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() != 0)
        throw runtime_error(
            "getnetworkinfo\n"
            "Returns an object containing various state info regarding P2P networking.\n"
            "\nResult:\n"
            "{\n"
            "  \"version\": xxxxx,                      (numeric) the server version\n"
            "  \"subversion\": \"/Satoshi:x.x.x/\",     (string) the server subversion string\n"
            "  \"protocolversion\": xxxxx,              (numeric) the protocol version\n"
            "  \"localservices\": \"xxxxxxxxxxxxxxxx\", (string) the services we offer to the network\n"
            "  \"localrelay\": true|false,              (bool) true if transaction relay is requested from peers\n"
            "  \"timeoffset\": xxxxx,                   (numeric) the time offset\n"
            "  \"connections\": xxxxx,                  (numeric) the number of connections\n"
            "  \"networkactive\": true|false,           (bool) whether p2p networking is enabled\n"
            "  \"networks\": [                          (array) information per network\n"
            "  {\n"
            "    \"name\": \"xxx\",                     (string) network (ipv4, ipv6 or onion)\n"
            "    \"limited\": true|false,               (boolean) is the network limited using -onlynet?\n"
            "    \"reachable\": true|false,             (boolean) is the network reachable?\n"
            "    \"proxy\": \"host:port\"               (string) the proxy that is used for this network, or empty if none\n"
            "    \"proxy_randomize_credentials\": true|false,  (string) Whether randomized credentials are used\n"
            "  }\n"
            "  ,...\n"
            "  ],\n"
            "  \"relayfee\": x.xxxxxxxx,                (numeric) minimum relay fee for non-free transactions in " + CURRENCY_UNIT + "/kB\n"
            "  \"incrementalfee\": x.xxxxxxxx,          (numeric) minimum fee increment for mempool limiting or BIP 125 replacement in " + CURRENCY_UNIT + "/kB\n"
            "  \"softdustlimit\": x.xxxxxxxx,           (numeric) minimum output value under which this value needs to be added to fee, in " + CURRENCY_UNIT + "\n"
            "  \"harddustlimit\": x.xxxxxxxx,           (numeric) minimum output value under which the node will no longer relay, in " + CURRENCY_UNIT + "\n"
            "  \"localaddresses\": [                    (array) list of local addresses\n"
            "  {\n"
            "    \"address\": \"xxxx\",                 (string) network address\n"
            "    \"port\": xxx,                         (numeric) network port\n"
            "    \"score\": xxx                         (numeric) relative score\n"
            "  }\n"
            "  ,...\n"
            "  ]\n"
            "  \"warnings\": \"...\"                    (string) any network warnings\n"
            "}\n"
            "\nExamples:\n"
            + HelpExampleCli("getnetworkinfo", "")
            + HelpExampleRpc("getnetworkinfo", "")
        );

    LOCK(cs_main);
    UniValue obj(UniValue::VOBJ);
    obj.pushKV("version",       CLIENT_VERSION);
    obj.pushKV("subversion",    strSubVersion);
    obj.pushKV("protocolversion",PROTOCOL_VERSION);
    if(g_connman)
        obj.pushKV("localservices", strprintf("%016x", g_connman->GetLocalServices()));
    obj.pushKV("localrelay",     fRelayTxes);
    obj.pushKV("timeoffset",    GetTimeOffset());
    if (g_connman) {
        obj.pushKV("networkactive", g_connman->GetNetworkActive());
        obj.pushKV("connections",   (int)g_connman->GetNodeCount(CConnman::CONNECTIONS_ALL));
    }
    obj.pushKV("networks",      GetNetworksInfo());
    obj.pushKV("relayfee",      ValueFromAmount(::minRelayTxFeeRate.GetFeePerK()));
    obj.pushKV("incrementalfee", ValueFromAmount(::incrementalRelayFee.GetFeePerK()));
    obj.pushKV("softdustlimit",  ValueFromAmount(nDustLimit));
    obj.pushKV("harddustlimit",  ValueFromAmount(nHardDustLimit));
    UniValue localAddresses(UniValue::VARR);
    {
        LOCK(cs_mapLocalHost);
        BOOST_FOREACH(const PAIRTYPE(CNetAddr, LocalServiceInfo) &item, mapLocalHost)
        {
            UniValue rec(UniValue::VOBJ);
            rec.pushKV("address", item.first.ToString());
            rec.pushKV("port", item.second.nPort);
            rec.pushKV("score", item.second.nScore);
            localAddresses.push_back(rec);
        }
    }
    obj.pushKV("localaddresses", localAddresses);
    obj.pushKV("warnings",       GetWarnings("statusbar"));
    return obj;
}

UniValue setban(const JSONRPCRequest& request)
{
    string strCommand;
    if (request.params.size() >= 2)
        strCommand = request.params[1].get_str();
    if (request.fHelp || request.params.size() < 2 ||
        (strCommand != "add" && strCommand != "remove"))
        throw runtime_error(
                            "setban \"subnet\" \"add|remove\" (bantime) (absolute)\n"
                            "\nAttempts add or remove a IP/Subnet from the banned list.\n"
                            "\nArguments:\n"
                            "1. \"subnet\"       (string, required) The IP/Subnet (see getpeerinfo for nodes ip) with a optional netmask (default is /32 = single ip)\n"
                            "2. \"command\"      (string, required) 'add' to add a IP/Subnet to the list, 'remove' to remove a IP/Subnet from the list\n"
                            "3. \"bantime\"      (numeric, optional) time in seconds how long (or until when if [absolute] is set) the ip is banned (0 or empty means using the default time of 24h which can also be overwritten by the -bantime startup argument)\n"
                            "4. \"absolute\"     (boolean, optional) If set, the bantime must be a absolute timestamp in seconds since epoch (Jan 1 1970 GMT)\n"
                            "\nExamples:\n"
                            + HelpExampleCli("setban", "\"192.168.0.6\" \"add\" 86400")
                            + HelpExampleCli("setban", "\"192.168.0.0/24\" \"add\"")
                            + HelpExampleRpc("setban", "\"192.168.0.6\", \"add\", 86400")
                            );
    if(!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    CSubNet subNet;
    CNetAddr netAddr;
    bool isSubnet = false;

    if (request.params[0].get_str().find("/") != string::npos)
        isSubnet = true;

    if (!isSubnet) {
        CNetAddr resolved;
        LookupHost(request.params[0].get_str(), resolved, false);
        netAddr = resolved;
    }
    else
        LookupSubNet(request.params[0].get_str(), subNet);

    if (! (isSubnet ? subNet.IsValid() : netAddr.IsValid()) )
        throw JSONRPCError(RPC_CLIENT_INVALID_IP_OR_SUBNET, "Error: Invalid IP/Subnet");

    if (strCommand == "add")
    {
        if (isSubnet ? g_connman->IsBanned(subNet) : g_connman->IsBanned(netAddr))
            throw JSONRPCError(RPC_CLIENT_NODE_ALREADY_ADDED, "Error: IP/Subnet already banned");

        int64_t banTime = 0; //use standard bantime if not specified
        if (request.params.size() >= 3 && !request.params[2].isNull())
            banTime = request.params[2].get_int64();

        bool absolute = false;
        if (request.params.size() == 4 && request.params[3].isTrue())
            absolute = true;

        isSubnet ? g_connman->Ban(subNet, BanReasonManuallyAdded, banTime, absolute) : g_connman->Ban(netAddr, BanReasonManuallyAdded, banTime, absolute);
    }
    else if(strCommand == "remove")
    {
        if (!( isSubnet ? g_connman->Unban(subNet) : g_connman->Unban(netAddr) ))
            throw JSONRPCError(RPC_CLIENT_INVALID_IP_OR_SUBNET, "Error: Unban failed. Requested address/subnet was not previously banned.");
    }
    return NullUniValue;
}

UniValue listbanned(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() != 0)
        throw runtime_error(
                            "listbanned\n"
                            "\nList all banned IPs/Subnets.\n"
                            "\nExamples:\n"
                            + HelpExampleCli("listbanned", "")
                            + HelpExampleRpc("listbanned", "")
                            );

    if(!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    banmap_t banMap;
    g_connman->GetBanned(banMap);

    UniValue bannedAddresses(UniValue::VARR);
    for (banmap_t::iterator it = banMap.begin(); it != banMap.end(); it++)
    {
        CBanEntry banEntry = (*it).second;
        UniValue rec(UniValue::VOBJ);
        rec.pushKV("address", (*it).first.ToString());
        rec.pushKV("banned_until", banEntry.nBanUntil);
        rec.pushKV("ban_created", banEntry.nCreateTime);
        rec.pushKV("ban_reason", banEntry.banReasonToString());

        bannedAddresses.push_back(rec);
    }

    return bannedAddresses;
}

UniValue clearbanned(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() != 0)
        throw runtime_error(
                            "clearbanned\n"
                            "\nClear all banned IPs.\n"
                            "\nExamples:\n"
                            + HelpExampleCli("clearbanned", "")
                            + HelpExampleRpc("clearbanned", "")
                            );
    if(!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    g_connman->ClearBanned();

    return NullUniValue;
}

UniValue setnetworkactive(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() != 1) {
        throw runtime_error(
            "setnetworkactive true|false\n"
            "\nDisable/enable all p2p network activity.\n"
            "\nArguments:\n"
            "1. \"state\"        (boolean, required) true to enable networking, false to disable\n"
        );
    }

    if (!g_connman) {
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
    }

    g_connman->SetNetworkActive(request.params[0].get_bool());

    return g_connman->GetNetworkActive();
}

static const CRPCCommand commands[] =
{ //  category              name                      actor (function)         okSafeMode
  //  --------------------- ------------------------  -----------------------  ----------
    { "network",            "getconnectioncount",     &getconnectioncount,     true,  {} },
    { "network",            "setmaxconnections",      &setmaxconnections,      true,  {"newconnectioncount"} },
    { "network",            "ping",                   &ping,                   true,  {} },
    { "network",            "getpeerinfo",            &getpeerinfo,            true,  {} },
    { "network",            "addnode",                &addnode,                true,  {"node","command"} },
    { "network",            "disconnectnode",         &disconnectnode,         true,  {"address"} },
    { "network",            "getaddednodeinfo",       &getaddednodeinfo,       true,  {"node"} },
    { "network",            "getnettotals",           &getnettotals,           true,  {} },
    { "network",            "getnetworkinfo",         &getnetworkinfo,         true,  {} },
    { "network",            "setban",                 &setban,                 true,  {"subnet", "command", "bantime", "absolute"} },
    { "network",            "listbanned",             &listbanned,             true,  {} },
    { "network",            "clearbanned",            &clearbanned,            true,  {} },
    { "network",            "setnetworkactive",       &setnetworkactive,       true,  {"state"} },
};

void RegisterNetRPCCommands(CRPCTable &t)
{
    for (unsigned int vcidx = 0; vcidx < ARRAYLEN(commands); vcidx++)
        t.appendCommand(commands[vcidx].name, &commands[vcidx]);
}