var request = require('request-promise'); var common = require('../../common'); var logger = require('../logger'); var options = {}; exports.listChannels = (req, res, next) => { options = common.getOptions(); options.url = common.getSelLNServerUrl() + '/channel/listChannels'; request(options).then(function (body) { logger.info({fileName: 'Channels', msg: 'List Channels: ' + JSON.stringify(body)}); body.map(channel => { local = (channel.msatoshi_to_us) ? channel.msatoshi_to_us : 0; remote = (channel.msatoshi_to_them) ? channel.msatoshi_to_them : 0; total = channel.msatoshi_total ? channel.msatoshi_total : 0; channel.balancedness = (total == 0) ? 1 : (1 - Math.abs((local-remote)/total)).toFixed(3); }) res.status(200).json(body); }) .catch(function (err) { logger.error({fileName: 'Channels', lineNum: 14, msg: 'List Channels: ' + JSON.stringify(err)}); return res.status(500).json({ message: 'Fetching List Channels Failed!', error: err.error }); }); } exports.openChannel = (req, res, next) => { options = common.getOptions(); options.url = common.getSelLNServerUrl() + '/channel/openChannel'; options.body = req.body; logger.info({fileName: 'Channels', msg: 'Open Channel Options: ' + JSON.stringify(options.body)}); request.post(options).then((body) => { logger.info({fileName: 'Channels', msg: 'Open Channel Response: ' + JSON.stringify(body)}); if(!body || body.error) { res.status(500).json({ message: 'Open Channel Failed!', error: (!body) ? 'Error From Server!' : body.error }); } else { res.status(201).json(body); } }) .catch(function (err) { logger.error({fileName: 'Channels', lineNum: 39, msg: 'Open Channel Failed: ' + JSON.stringify(err)}); return res.status(500).json({ message: 'Open Channel Failed!', error: err.error }); }); } exports.setChannelFee = (req, res, next) => { options = common.getOptions(); options.url = common.getSelLNServerUrl() + '/channel/setChannelFee'; options.body = req.body; logger.info({fileName: 'Channels', msg: 'Update Channel Policy Options: ' + JSON.stringify(options.body)}); request.post(options).then((body) => { logger.info({fileName: 'Channels', msg: 'Update Channel Policy: ' + JSON.stringify(body)}); if(!body || body.error) { res.status(500).json({ message: 'Update Channel Policy Failed!', error: (!body) ? 'Error From Server!' : body.error }); } else { res.status(201).json(body); } }) .catch(function (err) { logger.error({fileName: 'Channels', lineNum: 211, msg: 'Update Channel Policy: ' + JSON.stringify(err)}); return res.status(500).json({ message: 'Update Channel Policy Failed!', error: err.error }); }); } exports.closeChannel = (req, res, next) => { options = common.getOptions(); const unilateralTimeoutQuery = req.query.unilateralTimeout ? '?unilateralTimeout=' + req.query.unilateralTimeout : ''; options.url = common.getSelLNServerUrl() + '/channel/closeChannel/' + req.params.channelId + unilateralTimeoutQuery; logger.info({fileName: 'Channels', msg: 'Closing Channel: ' + options.url}); request.delete(options).then((body) => { logger.info({fileName: 'Channels', msg: 'Close Channel Response: ' + JSON.stringify(body)}); if(!body || body.error) { res.status(500).json({ message: 'Close Channel Failed!', error: (!body) ? 'Error From Server!' : body.error }); } else { res.status(204).json(body); } }) .catch(function (err) { logger.error({fileName: 'Channels', lineNum: 41, msg: 'Close Channel: ' + JSON.stringify(err)}); return res.status(500).json({ message: 'Close Channel Failed!', error: err.error }); }); } exports.getLocalRemoteBalance = (req, res, next) => { options = common.getOptions(); options.url = common.getSelLNServerUrl() + '/channel/localremotebal'; request(options).then(function (body) { logger.info({fileName: 'Channels', msg: 'Local Remote Balance: ' + JSON.stringify(body)}); if(!body.localBalance) { body.localBalance = 0; body.btc_localBalance = 0; } else { body.btc_localBalance = common.convertToBTC(body.localBalance); } if(!body.remoteBalance) { body.remoteBalance = 0; body.btc_remoteBalance = 0; } else { body.btc_remoteBalance = common.convertToBTC(body.remoteBalance); } res.status(200).json(body); }) .catch(function (err) { logger.error({fileName: 'Channels', lineNum: 14, msg: 'Local Remote Balance: ' + JSON.stringify(err)}); return res.status(500).json({ message: 'Fetching Local Remote Balance Failed!', error: err.error }); }); }; exports.listForwards = (req, res, next) => { options = common.getOptions(); options.url = common.getSelLNServerUrl() + '/channel/listForwards/'; request.get(options).then((body) => { logger.info({fileName: 'Channels', msg: 'Forwarding History Response: ' + JSON.stringify(body)}); if(!body || body.error) { logger.error({fileName: 'Channels', lineNum: 27, msg: 'Forwarding History Error: ' + JSON.stringify((!body) ? 'Error From Server!' : body.error)}); res.status(500).json({ message: "Forwarding History Failed!", error: (!body) ? 'Error From Server!' : body.error }); } else { if (body && body.length > 0) { body.forEach(event => { event.received_time_str = (!event.received_time) ? '' : common.convertTimestampToDate(event.received_time); event.resolved_time_str = (!event.resolved_time) ? '' : common.convertTimestampToDate(event.resolved_time); }); body = common.sortDescByKey(body, 'received_time'); } logger.info({fileName: 'Channels', msg: 'Forwarding History Received: ' + JSON.stringify(body)}); res.status(200).json({ last_offset_index: 0, forwarding_events: body }); } }) .catch(function (err) { logger.error({fileName: 'Channels', lineNum: 44, msg: 'Forwarding History Error: ' + JSON.stringify(err)}); return res.status(500).json({ message: "Forwarding History Failed!", error: err.error }); }); };