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 getSentInfoFromPaymentRequest = (lnServerUrl, payment) => { options.url = lnServerUrl + '/getsentinfo'; options.form = { paymentHash: payment }; return request.post(options).then((body) => { logger.log({ selectedNode: null, level: 'DEBUG', fileName: 'Payments', msg: 'Payment Sent Information Received', data: body }); body.forEach((sentPayment) => { if (sentPayment.amount) { sentPayment.amount = Math.round(sentPayment.amount / 1000); } if (sentPayment.recipientAmount) { sentPayment.recipientAmount = Math.round(sentPayment.recipientAmount / 1000); } }); return body; }).catch((err) => err); }; export const getQueryNodes = (lnServerUrl, nodeIds) => { options.url = lnServerUrl + '/nodes'; options.form = { nodeIds: nodeIds }; return request.post(options).then((nodes) => { logger.log({ selectedNode: null, level: 'DEBUG', fileName: 'Payments', msg: 'Query Nodes', data: nodes }); return nodes; }).catch((err) => []); }; export const decodePayment = (req, res, next) => { logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Decoding Payment..' }); 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 + '/parseinvoice'; options.form = { invoice: req.params.invoice }; request.post(options).then((body) => { logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Payments', msg: 'Payment Decode Received', data: body }); if (body.amount) { body.amount = Math.round(body.amount / 1000); } logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Payment Decoded' }); res.status(200).json(body); }).catch((errRes) => { const err = common.handleError(errRes, 'Payments', 'Decode Payment Error', req.session.selectedNode); return res.status(err.statusCode).json({ message: err.message, error: err.error }); }); }; export const postPayment = (req, res, next) => { logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Paying Invoice..' }); 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 + '/payinvoice'; options.form = req.body; logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Payments', msg: 'Send Payment Options', data: options.form }); request.post(options).then((body) => { logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Payments', msg: 'Send Payment Response', data: body }); logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Invoice Paid' }); res.status(201).json(body); }).catch((errRes) => { const err = common.handleError(errRes, 'Payments', 'Send Payment Error', req.session.selectedNode); return res.status(err.statusCode).json({ message: err.message, error: err.error }); }); }; export const queryPaymentRoute = (req, res, next) => { logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Querying Payment Route..' }); 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 + '/findroutetonode'; options.form = { nodeId: req.query.nodeId, amountMsat: req.query.amountMsat }; logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Payments', msg: 'Query Payment Route Options', data: options.form }); request.post(options).then((body) => { logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Payments', msg: 'Query Payment Route Received', data: body }); if (body && body.length) { const queryRoutes = []; return getQueryNodes(req.session.selectedNode.ln_server_url, body).then((hopsWithAlias) => { let foundPeer = null; body.map((hop) => { foundPeer = hopsWithAlias.find((hopWithAlias) => hop === hopWithAlias.nodeId); queryRoutes.push({ nodeId: hop, alias: foundPeer ? foundPeer.alias : '' }); return hop; }); logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Payments', msg: 'Query Routes with Alias', data: queryRoutes }); logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Payment Route Information Received' }); res.status(200).json(queryRoutes); }); } else { logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Empty Payment Route Information Received' }); res.status(200).json([]); } }).catch((errRes) => { const err = common.handleError(errRes, 'Payments', 'Query Route Error', req.session.selectedNode); return res.status(err.statusCode).json({ message: err.message, error: err.error }); }); }; export const getSentPaymentsInformation = (req, res, next) => { logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Getting Sent Payment Information..' }); options = common.getOptions(req); if (options.error) { return res.status(options.statusCode).json({ message: options.message, error: options.error }); } if (req.body.payments) { const paymentsArr = req.body.payments.split(','); return Promise.all(paymentsArr.map((payment) => getSentInfoFromPaymentRequest(req.session.selectedNode.ln_server_url, payment))). then((values) => { logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Payments', msg: 'Payment Sent Informations', data: values }); logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Sent Payment Information Received' }); return res.status(200).json(values); }). catch((errRes) => { const err = common.handleError(errRes, 'Payments', 'Sent Payment Error', req.session.selectedNode); return res.status(err.statusCode).json({ message: err.message, error: err.error }); }); } else { logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Empty Sent Payment Information Received' }); return res.status(200).json([]); } };