RTL/backend/controllers/cln/network.js

import request from 'request-promise';
import { Logger } from '../../utils/logger.js';
import { Common } from '../../utils/common.js';
let options = null;
const logger = Logger;
const common = Common;
const aliasCache = new Map();
export const getRoute = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Network', msg: 'Getting Network Routes..' });
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    options.url = req.session.selectedNode.settings.lnServerUrl + '/v1/getroute';
    options.body = req.body;
    request.post(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Network', msg: 'Network Routes Received', data: body });
        return Promise.all(body.route?.map((rt) => getAlias(req.session.selectedNode, rt, 'id'))).then((values) => {
            logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Peers', msg: 'Network Routes with Alias Received', data: body });
            res.status(200).json(body || []);
        });
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Network', 'Query Routes Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const listChannels = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Network', msg: 'Channel Lookup..' });
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    options.url = req.session.selectedNode.settings.lnServerUrl + '/v1/listchannels';
    options.body = req.body;
    request.post(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Network', msg: 'Channel Lookup Finished', data: body });
        res.status(200).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Network', 'Channel Lookup Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const feeRates = (req, res, next) => {
    const { style } = req.body;
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Network', msg: 'Getting Network Fee Rates..' });
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    options.url = req.session.selectedNode.settings.lnServerUrl + '/v1/feerates';
    options.body = req.body;
    request.post(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Network', msg: 'Network Fee Rates Received for ' + style, data: body });
        res.status(200).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Network', 'Fee Rates Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const listNodes = (req, res, next) => {
    const filter_liquidity_ads = !!req.body.liquidity_ads;
    delete req.body.liquidity_ads;
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Network', msg: 'List Nodes..' });
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    options.url = req.session.selectedNode.settings.lnServerUrl + '/v1/listnodes';
    options.body = req.body;
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Network', msg: 'List Nodes URL' + options.url });
    request.post(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Network', msg: 'List Nodes Finished', data: body });
        let response = body.nodes;
        if (filter_liquidity_ads) {
            response = body.nodes.filter((node) => ((node.option_will_fund) ? node : null));
        }
        res.status(200).json(response);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Network', 'Node Lookup Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const getAlias = (selNode, peer, id) => {
    const peerId = peer[id];
    if (!peerId) {
        logger.log({ selectedNode: selNode, level: 'ERROR', fileName: 'Network', msg: 'Empty Peer ID' });
        peer.alias = '';
        return Promise.resolve(peer);
    }
    if (aliasCache.has(peerId)) {
        peer.alias = aliasCache.get(peerId);
        return Promise.resolve(peer);
    }
    options.url = selNode.settings.lnServerUrl + '/v1/listnodes';
    options.body = { id: peerId };
    return request.post(options).then((body) => {
        logger.log({ selectedNode: selNode, level: 'DEBUG', fileName: 'Network', msg: 'Peer Alias Finished', data: body });
        const alias = body.nodes?.[0]?.alias || peerId.substring(0, 20);
        aliasCache.set(peerId, alias);
        peer.alias = alias;
        return peer;
    }).catch((errRes) => {
        common.handleError(errRes, 'Network', 'Peer Alias Error', selNode);
        const alias = peerId.substring(0, 20);
        peer.alias = alias;
        return peer;
    });
};