RTL/backend/controllers/lnd/payments.js

import request from '../../utils/request.js';
import { Logger } from '../../utils/logger.js';
import { Common } from '../../utils/common.js';
let options = null;
const logger = Logger;
const common = Common;
export const decodePaymentFromPaymentRequest = (selNode, payment) => {
    options.url = selNode.settings.lnServerUrl + '/v1/payreq/' + payment;
    return request(options).then((res) => {
        logger.log({ selectedNode: selNode, level: 'DEBUG', fileName: 'PayReq', msg: 'Description Received', data: res.description });
        return res;
    }).catch((err) => { });
};
export const decodePayment = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'PayRequest', 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.settings.lnServerUrl + '/v1/payreq/' + req.params.payRequest;
    request(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'PayRequest', msg: 'Payment Decoded', data: body });
        res.status(200).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'PayRequest', 'Decode Payment Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const decodePayments = (req, res, next) => {
    const { payments } = req.body;
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'PayRequest', msg: 'Decoding Payments List..' });
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    if (payments) {
        const paymentsArr = payments.split(',');
        return Promise.all(paymentsArr?.map((payment) => decodePaymentFromPaymentRequest(req.session.selectedNode, payment))).
            then((values) => {
            logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'PayRequest', msg: 'Payment List Decoded', data: values });
            res.status(200).json(values);
        }).
            catch((errRes) => {
            const err = common.handleError(errRes, 'PayRequest', 'Decode Payments 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: 'PayRequest', msg: 'Empty Payment List Decoded' });
        return res.status(200).json([]);
    }
};
export const getPayments = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Getting Payments List..' });
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    options.url = req.session.selectedNode.settings.lnServerUrl + '/v1/payments?max_payments=' + req.query.max_payments + '&index_offset=' + req.query.index_offset + '&reversed=' + req.query.reversed;
    request(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Payments', msg: 'Payment List Received', data: body });
        res.status(200).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Payments', 'List Payments Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const getAllLightningTransactions = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Getting All Lightning Transactions..' });
    const options1 = JSON.parse(JSON.stringify(common.getOptions(req)));
    const options2 = JSON.parse(JSON.stringify(common.getOptions(req)));
    // options1.url = req.session.selectedNode.settings.lnServerUrl + '/v1/payments?max_payments=100000&index_offset=0&reversed=true';
    options2.url = req.session.selectedNode.settings.lnServerUrl + '/v1/invoices?num_max_invoices=100000&index_offset=0&reversed=true';
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Payments', msg: 'All Payments Options', data: options1 });
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Payments', msg: 'All Invoices Options', data: options2 });
    // return Promise.all([request(options1), request(options2)]).then((values) => {
    return Promise.all([{ payments: [] }, request(options2)]).then((values) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'All Lightning Transactions Received', data: ({ totalPayments: values[0].payments.length || 0, totalInvoices: values[1].invoices.length || 0 }) });
        res.status(200).json({ listPaymentsAll: values[0], listInvoicesAll: values[1] });
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Payments', 'All Lightning Transactions Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const paymentLookup = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Looking up 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.settings.lnServerUrl + '/v2/router/track/' + req.params.paymentHash;
    // Deliberately keep the wrapper's default timeout here: this holds a
    // browser-facing response open while tracking, and payments in flight
    // longer than that are delivered via the websocket subscription instead.
    request(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Payment Information Received for ' + req.params.paymentHash, data: body });
        res.status(200).json(body.result || body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Payments', 'Payment Lookup Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const sendPayment = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Sending 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.settings.lnServerUrl + '/v2/router/send';
    if (req.body.last_hop_pubkey) {
        req.body.last_hop_pubkey = Buffer.from(req.body.last_hop_pubkey, 'hex').toString('base64');
    }
    req.body.amp = req.body.amp ?? false;
    req.body.timeout_seconds = req.body.timeout_seconds || 600;
    options.form = JSON.stringify(req.body);
    logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Payments', msg: 'Send Payment Options', data: options.form });
    // LND ends the stream at timeout_seconds with a FAILURE_REASON_TIMEOUT result;
    // give the transport a margin over that so LND's mapped failure always wins
    // the race against the wrapper's own timeout.
    request.post({ ...options, timeout: (+req.body.timeout_seconds + 60) * 1000 }).then((body) => {
        const results = body.split('\n').filter(Boolean).map((jsonString) => JSON.parse(jsonString));
        body = results.length > 0 ? results[results.length - 1] : { result: { status: 'UNKNOWN' } };
        if (body.result.status === 'FAILED') {
            const err = common.handleError(common.titleCase(body.result.failure_reason.replace(/_/g, ' ').replace('FAILURE REASON ', '')), 'Payments', 'Send Payment Error', req.session.selectedNode);
            return res.status(err.statusCode).json({ message: err.message, error: err.error });
        }
        if (body.result.status === 'SUCCEEDED') {
            logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Payments', msg: 'Payment Sent', data: body.result });
            res.status(201).json(body.result);
        }
    }).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 });
    });
};