RTL/backend/controllers/eclair/channels.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;
export const simplifyAllChannels = (selNode, channels) => {
    let channelNodeIds = '';
    const simplifiedChannels = [];
    channels.forEach((channel) => {
        channelNodeIds = channelNodeIds + ',' + channel.nodeId;
        simplifiedChannels.push({
            nodeId: channel.nodeId ? channel.nodeId : '',
            channelId: channel.channelId ? channel.channelId : '',
            state: channel.state ? channel.state : '',
            announceChannel: channel.data && channel.data.commitments && channel.data.commitments.channelFlags && channel.data.commitments.channelFlags.announceChannel ? channel.data.commitments.channelFlags.announceChannel : false,
            toLocal: (channel.data.commitments.localCommit.spec.toLocal) ? Math.round(+channel.data.commitments.localCommit.spec.toLocal / 1000) : 0,
            toRemote: (channel.data.commitments.localCommit.spec.toRemote) ? Math.round(+channel.data.commitments.localCommit.spec.toRemote / 1000) : 0,
            shortChannelId: channel.data && channel.data.channelUpdate && channel.data.channelUpdate.shortChannelId ? channel.data.channelUpdate.shortChannelId : '',
            isFunder: channel.data && channel.data.commitments && channel.data.commitments.localParams && channel.data.commitments.localParams.isFunder ? channel.data.commitments.localParams.isFunder : false,
            buried: channel.data && channel.data.buried ? channel.data.buried : false,
            feeBaseMsat: channel.data && channel.data.channelUpdate && channel.data.channelUpdate.feeBaseMsat ? channel.data.channelUpdate.feeBaseMsat : 0,
            feeRatePerKw: (channel.data.commitments.localCommit.spec.feeratePerKw) ? channel.data.commitments.localCommit.spec.feeratePerKw : 0,
            feeProportionalMillionths: channel.data && channel.data.channelUpdate && channel.data.channelUpdate.feeProportionalMillionths ? channel.data.channelUpdate.feeProportionalMillionths : 0,
            alias: ''
        });
    });
    channelNodeIds = channelNodeIds.substring(1);
    options.url = selNode.ln_server_url + '/nodes';
    options.form = { nodeIds: channelNodeIds };
    logger.log({ selectedNode: selNode, level: 'DEBUG', fileName: 'Channels', msg: 'Node Ids to find alias', data: channelNodeIds });
    return request.post(options).then((nodes) => {
        logger.log({ selectedNode: selNode, level: 'DEBUG', fileName: 'Channels', msg: 'Filtered Nodes Received', data: nodes });
        let foundPeer = null;
        simplifiedChannels?.map((channel) => {
            foundPeer = nodes.find((channelWithAlias) => channel.nodeId === channelWithAlias.nodeId);
            channel.alias = foundPeer ? foundPeer.alias : channel.nodeId.substring(0, 20);
            return channel;
        });
        return simplifiedChannels;
    }).catch((err) => simplifiedChannels);
};
export const getChannels = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'List Channels..' });
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    options.url = req.session.selectedNode.ln_server_url + '/channels';
    options.form = {};
    if (req.query && req.query.nodeId) {
        options.form = req.query;
        logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Channels', msg: 'Channels Node Id', data: options.form });
    }
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Channels', msg: 'Options', data: options });
    if (common.read_dummy_data) {
        common.getDummyData('Channels', req.session.selectedNode.ln_implementation).then((data) => { res.status(200).json(data); });
    }
    else {
        request.post(options).then((body) => {
            logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Channels', msg: 'Channels List Received', data: body });
            if (body && body.length) {
                return simplifyAllChannels(req.session.selectedNode, body).then((simplifiedChannels) => {
                    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Simplified Channels with Alias Received', data: simplifiedChannels });
                    res.status(200).json(simplifiedChannels);
                });
            }
            else {
                logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Empty Channels List Received' });
                res.status(200).json([]);
            }
        }).
            catch((errRes) => {
            const err = common.handleError(errRes, 'Channels', 'List Channels Error', req.session.selectedNode);
            return res.status(err.statusCode).json({ message: err.message, error: err.error });
        });
    }
};
export const getChannelStats = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Getting Channel States..' });
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    options.url = req.session.selectedNode.ln_server_url + '/channelstats';
    options.form = {};
    request.post(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Channel States Received', data: body });
        res.status(201).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Channels', 'Get Channel Stats Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const openChannel = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Opening Channel..' });
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    options.url = req.session.selectedNode.ln_server_url + '/open';
    options.form = req.body;
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Channels', msg: 'Open Channel Params', data: options.form });
    request.post(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Channel Opened', data: body });
        res.status(201).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Channels', 'Open Channel Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const updateChannelRelayFee = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Updating Channel Relay Fee..' });
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    options.url = req.session.selectedNode.ln_server_url + '/updaterelayfee';
    options.form = req.query;
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Channels', msg: 'Update Relay Fee Params', data: options.form });
    request.post(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Channel Relay Fee Updated', data: body });
        res.status(201).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Channels', 'Update Relay Fee Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const closeChannel = (req, res, next) => {
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    if (req.query.force !== 'true') {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Closing Channel..' });
        options.url = req.session.selectedNode.ln_server_url + '/close';
    }
    else {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Force Closing Channel..' });
        options.url = req.session.selectedNode.ln_server_url + '/forceclose';
    }
    options.form = { channelId: req.query.channelId };
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Channels', msg: 'Close URL', data: options.url });
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Channels', msg: 'Close Params', data: options.form });
    request.post(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Channel Closed', data: body });
        res.status(204).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Channels', 'Close Channel Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};