Function addnode

src/rpc/net.cpp:193–238

}

static UniValue addnode(const JSONRPCRequest& request)
{
    std::string strCommand;
    if (!request.params[1].isNull())
        strCommand = request.params[1].get_str();
    if (request.fHelp || request.params.size() != 2 ||
        (strCommand != "onetry" && strCommand != "add" && strCommand != "remove"))
        throw std::runtime_error(
            "addnode \"node\" \"add|remove|onetry\"\n"
            "\nAttempts to add or remove a node from the addnode list.\n"
            "Or try a connection to a node once.\n"
            "Nodes added using addnode (or -connect) are protected from DoS disconnection and are not required to be\n"
            "full nodes/support SegWit as other outbound peers are (though such peers will not be synced from).\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", "\"192.168.0.6:8338\" \"onetry\"")
            + HelpExampleRpc("addnode", "\"192.168.0.6:8338\", \"onetry\"")
        );

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

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

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

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

    return NullUniValue;
}

static UniValue disconnectnode(const JSONRPCRequest& request)
{