import request from 'request-promise'; import { Logger, LoggerService } from '../../utils/logger.js'; import { Common, CommonService } from '../../utils/common.js'; import { CommonSelectedNode } from '../../models/config.model.js'; let options = null; const logger: LoggerService = Logger; const common: CommonService = Common; export const simplifyAllChannels = (selNode: CommonSelectedNode, 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 }); }); };