Ride-The-Lightning-RTL/backend/controllers/cln/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 listChannels = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Getting 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 + '/v1/channel/listChannels';
    request(options).then((body) => {
        body.map((channel) => {
            if (!channel.alias || channel.alias === '') {
                channel.alias = channel.id.substring(0, 20);
            }
            const local = (channel.msatoshi_to_us) ? channel.msatoshi_to_us : 0;
            const remote = (channel.msatoshi_to_them) ? channel.msatoshi_to_them : 0;
            const total = channel.msatoshi_total ? channel.msatoshi_total : 0;
            channel.balancedness = (total === 0) ? 1 : (1 - Math.abs((local - remote) / total)).toFixed(3);
            return channel;
        });
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Channels List Received', data: body });
        res.status(200).json(body);
    }).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 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 + '/v1/channel/openChannel';
    options.body = req.body;
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Channels', msg: 'Open Channel Options', data: options.body });
    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 setChannelFee = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Setting Channel 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 + '/v1/channel/setChannelFee';
    options.body = req.body;
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Channels', msg: 'Update Channel Policy Options', data: options.body });
    request.post(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Updated Channel Policy', data: body });
        res.status(201).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Channels', 'Update Channel Policy Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const closeChannel = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Closing Channel..' });
    req.setTimeout(60000 * 10); // timeout 10 mins
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    const unilateralTimeoutQuery = req.query.force ? '?unilateralTimeout=1' : '';
    options.url = req.session.selectedNode.ln_server_url + '/v1/channel/closeChannel/' + req.params.channelId + unilateralTimeoutQuery;
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Channels', msg: 'Closing Channel', data: options.url });
    request.delete(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 });
    });
};
export const getLocalRemoteBalance = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Getting Local & Remote Balances..' });
    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 + '/v1/channel/localremotebal';
    request(options).then((body) => {
        if (!body.localBalance) {
            body.localBalance = 0;
        }
        if (!body.remoteBalance) {
            body.remoteBalance = 0;
        }
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Local Remote Balance Received', data: body });
        res.status(200).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Channels', 'Local Remote Balance Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const listForwards = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Getting Channel List Forwards..' });
    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 + '/v1/channel/listForwards?status=' + req.query.status;
    request.get(options).then((body) => {
        if (body && body.length > 0) {
            body = common.sortDescByKey(body, 'received_time');
        }
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Forwarding History Received For Status' + req.query.status, data: body });
        res.status(200).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Channels', 'Forwarding History Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const funderUpdatePolicy = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Getting or Updating Funder Policy..' });
    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 + '/v1/channel/funderUpdate';
    if (req.body && req.body.policy) {
        options.body = req.body;
    }
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Channels', msg: 'Funder Update Body', data: options.body });
    request.post(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Funder Policy Received', data: body });
        body.channel_fee_max_base_msat = (body.channel_fee_max_base_msat && typeof body.channel_fee_max_base_msat === 'string' && body.channel_fee_max_base_msat.includes('msat')) ? +body.channel_fee_max_base_msat.replace('msat', '') : body.channel_fee_max_base_msat;
        body.lease_fee_base_msat = (body.lease_fee_base_msat && typeof body.lease_fee_base_msat === 'string' && body.lease_fee_base_msat.includes('msat')) ? +body.lease_fee_base_msat.replace('msat', '') : body.channel_fee_max_base_msat;
        res.status(200).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Channels', 'Funder Policy Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const listForwardsPaginated = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Getting Paginated List Forwards..' });
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    let queryStr = '';
    if (req.query && Object.keys(req.query).length > 0) {
        queryStr = req.query.status ? '&status=' + req.query.status : '';
        queryStr = req.query.maxLen ? (queryStr + '&maxLen=' + req.query.maxLen) : '';
        queryStr = req.query.offset ? (queryStr + '&offset=' + req.query.offset) : '';
        queryStr = req.query.reverse ? (queryStr + '&reverse=' + req.query.reverse) : '';
        queryStr = queryStr.replace('&', '?');
    }
    options.url = req.session.selectedNode.ln_server_url + '/v1/channel/listForwardsFilter' + queryStr;
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Channels', msg: 'Paginated Forwarding History url' + options.url });
    request.get(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Paginated Forwarding History Received For Status' + req.query.status, data: body });
        res.status(200).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Channels', 'Paginated Forwarding History Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};