var request = require('request-promise'); var common = require('../../routes/common'); var logger = require('../shared/logger'); var options = {}; function paymentReducer(accumulator, currentPayment) { let currPayHash = currentPayment.payment_hash; if (!currentPayment.partid) { currentPayment.partid = 0; } if(!accumulator[currPayHash]) { accumulator[currPayHash] = [currentPayment]; } else { accumulator[currPayHash].push(currentPayment); } return accumulator; } function summaryReducer(accumulator, mpp) { if (mpp.status === 'complete') { accumulator.msatoshi = accumulator.msatoshi + mpp.msatoshi; accumulator.msatoshi_sent = accumulator.msatoshi_sent + mpp.msatoshi_sent; accumulator.status = mpp.status; } return accumulator; } function groupBy(payments) { let temp = null; let paymentsInGroups = payments.reduce(paymentReducer, {}); let paymentsGrpArray = Object.keys(paymentsInGroups).map(key => (paymentsInGroups[key].length && paymentsInGroups[key].length > 1) ? common.sortDescByKey(paymentsInGroups[key], 'partid') : paymentsInGroups[key]); return paymentsGrpArray.reduce((acc, curr) => { if (curr.length && curr.length === 1) { temp = JSON.parse(JSON.stringify(curr)); temp[0].is_group = false; temp[0].is_expanded = false; temp[0].total_parts = 1; delete temp[0].partid; } else { temp = {}; let paySummary = curr.reduce(summaryReducer, {msatoshi: 0, msatoshi_sent: 0, status: (curr[0] && curr[0].status) ? curr[0].status : 'failed'}); temp = {is_group: true, is_expanded: false, total_parts: (curr.length ? curr.length : 0), status: paySummary.status, payment_hash: curr[0].payment_hash, destination: curr[0].destination, msatoshi: paySummary.msatoshi, msatoshi_sent: paySummary.msatoshi_sent, created_at: curr[0].created_at, mpps: curr}; } return acc.concat(temp); }, []); } exports.listPayments = (req, res, next) => { logger.log({level: 'INFO', fileName: 'Payments', msg: 'List Payments..'}); options = common.getOptions(); options.url = common.getSelLNServerUrl() + '/v1/pay/listPayments'; request(options).then((body) => { logger.log({level: 'DEBUG', fileName: 'Payments', msg: 'Payment List Received', data: body.payments}); if(!body || body.error) { logger.log({level: 'ERROR', fileName: 'Payments', msg: 'Payments List Error', error: body.error}); res.status(500).json({ message: "Payments List Failed!", error: (!body) ? 'Error From Server!' : body.error }); } else { if ( body && body.payments && body.payments.length > 0) { body.payments = common.sortDescByKey(body.payments, 'created_at'); } logger.log({level: 'INFO', fileName: 'Payments', msg: 'List Payments Received'}); res.status(200).json(groupBy(body.payments)); } }) .catch(errRes => { let err = JSON.parse(JSON.stringify(errRes)); if (err.options && err.options.headers && err.options.headers.macaroon) { delete err.options.headers.macaroon; } if (err.response && err.response.request && err.response.request.headers && err.response.request.headers.macaroon) { delete err.response.request.headers.macaroon; } logger.log({level: 'ERROR', fileName: 'Payments', msg: 'Payments List Error', error: err}); return res.status(500).json({ message: "Payments List Failed!", error: err.error }); }); }; exports.decodePayment = (req, res, next) => { logger.log({level: 'INFO', fileName: 'Payments', msg: 'Decoding Payment..'}); options = common.getOptions(); options.url = common.getSelLNServerUrl() + '/v1/pay/decodePay/' + req.params.invoice; request(options).then((body) => { logger.log({level: 'DEBUG', fileName: 'Payments', msg: 'Payment Decode Received', data: body}); if(!body || body.error) { logger.log({level: 'ERROR', fileName: 'Payments', msg: 'Payment Decode Error', error: body.error}); res.status(500).json({ message: "Payment Request Decode Failed!", error: (!body || search_idx > -1) ? 'Error From Server!' : body.error }); } else { logger.log({level: 'INFO', fileName: 'Payments', msg: 'Payment Decoded'}); res.status(200).json(body); } }) .catch(errRes => { let err = JSON.parse(JSON.stringify(errRes)); if (err.options && err.options.headers && err.options.headers.macaroon) { delete err.options.headers.macaroon; } if (err.response && err.response.request && err.response.request.headers && err.response.request.headers.macaroon) { delete err.response.request.headers.macaroon; } logger.log({level: 'ERROR', fileName: 'Payments', msg: 'Payment Decode Error', error: err}); return res.status(500).json({ message: "Payment Request Decode Failed!", error: err.error }); }); }; exports.postPayment = (req, res, next) => { options = common.getOptions(); if (req.params.type === 'keysend') { logger.log({level: 'INFO', fileName: 'Payments', msg: 'Keysend Payment..'}); options.url = common.getSelLNServerUrl() + '/v1/pay/keysend'; } else { logger.log({level: 'INFO', fileName: 'Payments', msg: 'Send Payment..'}); options.url = common.getSelLNServerUrl() + '/v1/pay'; } options.body = req.body; request.post(options).then((body) => { logger.log({level: 'DEBUG', fileName: 'Payments', msg: 'Send Payment Response', data: body}); if(!body || body.error) { logger.log({level: 'ERROR', fileName: 'Payments', msg: 'Send Payment Error', error: body.error}); res.status(500).json({ message: "Send Payment Failed!", error: (!body) ? 'Error From Server!' : body.error }); } else { logger.log({level: 'INFO', fileName: 'Payments', msg: 'Payment Sent'}); res.status(201).json(body); } }) .catch(errRes => { let err = JSON.parse(JSON.stringify(errRes)); if (err.options && err.options.headers && err.options.headers.macaroon) { delete err.options.headers.macaroon; } if (err.response && err.response.request && err.response.request.headers && err.response.request.headers.macaroon) { delete err.response.request.headers.macaroon; } logger.log({level: 'ERROR', fileName: 'Payments', msg: 'Send Payments Error', error: err}); return res.status(500).json({ message: "Send Payment Failed!", error: err.error }); }); };