RTL/backend/controllers/eclair/invoices.js

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;
let pendingInvoices = [];
export const getReceivedPaymentInfo = (lnServerUrl, invoice) => {
    let idx = -1;
    invoice.expiresAt = (!invoice.expiry) ? null : (+invoice.timestamp + +invoice.expiry);
    if (invoice.amount) {
        invoice.amount = Math.round(invoice.amount / 1000);
    }
    idx = pendingInvoices.findIndex((pendingInvoice) => invoice.serialized === pendingInvoice.serialized);
    if (idx < 0) {
        options.url = lnServerUrl + '/getreceivedinfo';
        options.form = { paymentHash: invoice.paymentHash };
        return request(options).then((response) => {
            invoice.status = response.status.type;
            if (response.status && response.status.type === 'received') {
                invoice.amountSettled = response.status.amount ? Math.round(response.status.amount / 1000) : 0;
                invoice.receivedAt = response.status.receivedAt ? Math.round(response.status.receivedAt / 1000) : 0;
            }
            return invoice;
        }).catch((err) => {
            invoice.status = 'unknown';
            return invoice;
        });
    }
    else {
        pendingInvoices.splice(idx, 1);
        invoice.status = 'unpaid';
        return invoice;
    }
};
export const getInvoice = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Channels', msg: 'Getting 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 + '/getinvoice';
    options.form = { paymentHash: req.params.paymentHash };
    request.post(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Invoice', msg: 'Invoice Found', data: body });
        const current_time = (Math.round(new Date(Date.now()).getTime() / 1000));
        body.amount = body.amount ? body.amount / 1000 : 0;
        body.expiresAt = body.expiresAt ? body.expiresAt : (body.timestamp + body.expiry);
        body.status = body.status ? body.status : (+body.expiresAt < current_time ? 'expired' : 'unknown');
        res.status(200).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Invoices', 'Get Invoice Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};
export const listInvoices = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Invoices', msg: 'Getting List Invoices..' });
    options = common.getOptions(req);
    if (options.error) {
        return res.status(options.statusCode).json({ message: options.message, error: options.error });
    }
    options.form = {};
    const options1 = JSON.parse(JSON.stringify(options));
    options1.url = req.session.selectedNode.ln_server_url + '/listinvoices';
    options1.form = {};
    const options2 = JSON.parse(JSON.stringify(options));
    options2.url = req.session.selectedNode.ln_server_url + '/listpendinginvoices';
    options2.form = {};
    if (common.read_dummy_data) {
        return common.getDummyData('Invoices', req.session.selectedNode.ln_implementation).then((body) => {
            const invoices = (!body[0] || body[0].length <= 0) ? [] : body[0];
            pendingInvoices = (!body[1] || body[1].length <= 0) ? [] : body[1];
            return Promise.all(invoices.map((invoice) => getReceivedPaymentInfo(req.session.selectedNode.ln_server_url, invoice))).
                then((values) => {
                body = common.sortDescByKey(invoices, 'expiresAt');
                return res.status(200).json(invoices);
            });
        });
    }
    else {
        return Promise.all([request(options1), request(options2)]).
            then((body) => {
            logger.log({ selectedNode: req.session.selectedNode, level: 'DEBUG', fileName: 'Invoice', msg: 'Invoices List Received', data: body });
            const invoices = (!body[0] || body[0].length <= 0) ? [] : body[0];
            pendingInvoices = (!body[1] || body[1].length <= 0) ? [] : body[1];
            if (invoices && invoices.length > 0) {
                return Promise.all(invoices.map((invoice) => getReceivedPaymentInfo(req.session.selectedNode.ln_server_url, invoice))).
                    then((values) => {
                    body = common.sortDescByKey(invoices, 'expiresAt');
                    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Invoices', msg: 'Sorted Invoices List Received', data: invoices });
                    return res.status(200).json(invoices);
                }).
                    catch((errRes) => {
                    const err = common.handleError(errRes, 'Invoices', 'List Invoices 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: 'Invoices', msg: 'Empty List Invoice Received' });
                return res.status(200).json([]);
            }
        }).
            catch((errRes) => {
            const err = common.handleError(errRes, 'Invoices', 'List Invoices Error', req.session.selectedNode);
            return res.status(err.statusCode).json({ message: err.message, error: err.error });
        });
    }
};
export const createInvoice = (req, res, next) => {
    logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Invoices', msg: 'Creating 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 + '/createinvoice';
    options.form = req.body;
    request.post(options).then((body) => {
        logger.log({ selectedNode: req.session.selectedNode, level: 'INFO', fileName: 'Invoice', msg: 'Invoice Created', data: body });
        if (body.amount) {
            body.amount = Math.round(body.amount / 1000);
        }
        res.status(201).json(body);
    }).catch((errRes) => {
        const err = common.handleError(errRes, 'Invoices', 'Create Invoice Error', req.session.selectedNode);
        return res.status(err.statusCode).json({ message: err.message, error: err.error });
    });
};