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241 lines
11 KiB
JavaScript
241 lines
11 KiB
JavaScript
var request = require('request-promise');
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var common = require('../../routes/common');
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var logger = require('../shared/logger');
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var options = {};
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getAliasForChannel = (channel) => {
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let pubkey = (channel.remote_pubkey) ? channel.remote_pubkey : (channel.remote_node_pub) ? channel.remote_node_pub : '';
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options.url = common.getSelLNServerUrl() + '/v1/graph/node/' + pubkey;
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return request(options).then(function(aliasBody) {
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logger.log({level: 'DEBUG', fileName: 'Channels', msg: 'Alias', data: aliasBody.node.alias});
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channel.remote_alias = aliasBody.node.alias;
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return aliasBody.node.alias;
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})
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.catch(err => {
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channel.remote_alias = pubkey.slice(0, 10) + '...' + pubkey.slice(-10);
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return pubkey;
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});
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}
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exports.getAllChannels = (req, res, next) => {
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Getting Channels..'});
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options = common.getOptions();
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options.url = common.getSelLNServerUrl() + '/v1/channels';
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options.qs = req.query;
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let local = 0;
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let remote = 0;
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let total = 0;
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request(options).then(function (body) {
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logger.log({level: 'DEBUG', fileName: 'Channels', msg: 'All Channels Received', data: body});
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if (body.channels) {
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return Promise.all(
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body.channels.map(channel => {
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local = (channel.local_balance) ? +channel.local_balance : 0;
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remote = (channel.remote_balance) ? +channel.remote_balance : 0;
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total = local + remote;
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channel.balancedness = (total == 0) ? 1 : (1 - Math.abs((local-remote)/total)).toFixed(3);
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return getAliasForChannel(channel);
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})
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)
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.then(function(values) {
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body.channels = common.sortDescByKey(body.channels, 'balancedness');
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logger.log({level: 'DEBUG', fileName: 'Channels', msg: 'All Channels with Alias', data: body});
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Channels Received'});
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res.status(200).json(body);
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})
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.catch(errRes => {
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const err = common.handleError(errRes, 'Channels', 'Get All Channel Aliases Error');
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return res.status(err.statusCode).json({message: err.message, error: err.error});
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});
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} else {
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body.channels = [];
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Empty Channels Received'});
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res.status(200).json(body);
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}
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})
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.catch(errRes => {
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const err = common.handleError(errRes, 'Channels', 'List Channels Error');
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return res.status(err.statusCode).json({message: err.message, error: err.error});
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});
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};
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exports.getPendingChannels = (req, res, next) => {
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Getting Pending Channels..'});
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options = common.getOptions();
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options.url = common.getSelLNServerUrl() + '/v1/channels/pending';
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options.qs = req.query;
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request(options).then(function (body) {
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if (!body.total_limbo_balance) {
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body.total_limbo_balance = 0;
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}
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const promises = [];
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if (body.pending_open_channels && body.pending_open_channels.length > 0) {
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body.pending_open_channels.map(channel => { return promises.push(getAliasForChannel(channel.channel))});
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}
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if (body.pending_closing_channels && body.pending_closing_channels.length > 0) {
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body.pending_closing_channels.map(channel => { return promises.push(getAliasForChannel(channel.channel))});
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}
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if (body.pending_force_closing_channels && body.pending_force_closing_channels.length > 0) {
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body.pending_force_closing_channels.map(channel => { return promises.push(getAliasForChannel(channel.channel))});
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}
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if (body.waiting_close_channels && body.waiting_close_channels.length > 0) {
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body.waiting_close_channels.map(channel => { return promises.push(getAliasForChannel(channel.channel))});
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}
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return Promise.all(promises).then(function(values) {
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logger.log({level: 'DEBUG', fileName: 'Channels', msg: 'Pending Channels', data: body});
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Pending Channels Received'});
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res.status(200).json(body);
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})
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.catch(errRes => {
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const err = common.handleError(errRes, 'Channels', 'Get Pending Channel Aliases Error');
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return res.status(err.statusCode).json({message: err.message, error: err.error});
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});
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})
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.catch(errRes => {
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const err = common.handleError(errRes, 'Channels', 'List Pending Channels Error');
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return res.status(err.statusCode).json({message: err.message, error: err.error});
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});
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};
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exports.getClosedChannels = (req, res, next) => {
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Getting Closed Channels..'});
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options = common.getOptions();
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options.url = common.getSelLNServerUrl() + '/v1/channels/closed';
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options.qs = req.query;
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request(options).then(function (body) {
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if (body.channels && body.channels.length > 0) {
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return Promise.all(
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body.channels.map(channel => {
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channel.close_type = (!channel.close_type) ? 'COOPERATIVE_CLOSE' : channel.close_type;
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return getAliasForChannel(channel);
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})
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)
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.then(function(values) {
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body.channels = common.sortDescByKey(body.channels, 'close_height');
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logger.log({level: 'DEBUG', fileName: 'Channels', msg: 'Closed Channels', data: body});
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Closed Channels Received'});
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res.status(200).json(body);
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})
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.catch(errRes => {
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const err = common.handleError(errRes, 'Channels', 'Get Closed Channel Aliases Error');
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return res.status(err.statusCode).json({message: err.message, error: err.error});
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});
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} else {
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body.channels = [];
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res.status(200).json(body);
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}
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})
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.catch(errRes => {
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const err = common.handleError(errRes, 'Channels', 'List Closed Channels Error');
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return res.status(err.statusCode).json({message: err.message, error: err.error});
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});
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};
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exports.postChannel = (req, res, next) => {
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Opening Channel..'});
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options = common.getOptions();
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options.url = common.getSelLNServerUrl() + '/v1/channels';
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options.form = {
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node_pubkey_string: req.body.node_pubkey,
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local_funding_amount: req.body.local_funding_amount,
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private: req.body.private,
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spend_unconfirmed: req.body.spend_unconfirmed
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};
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if (req.body.trans_type === '1') {
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options.form.target_conf = req.body.trans_type_value;
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} else if (req.body.trans_type === '2') {
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options.form.sat_per_byte = req.body.trans_type_value;
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}
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options.form = JSON.stringify(options.form);
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request.post(options).then((body) => {
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logger.log({level: 'DEBUG', fileName: 'Channels', msg: 'Channel Open Response', data: body});
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Channels Opened'});
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res.status(201).json(body);
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})
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.catch(errRes => {
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const err = common.handleError(errRes, 'Channels', 'Open Channel Error');
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return res.status(err.statusCode).json({message: err.message, error: err.error});
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});
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};
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exports.postTransactions = (req, res, next) => {
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Sending Payment..'});
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options = common.getOptions();
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options.url = common.getSelLNServerUrl() + '/v1/channels/transactions';
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options.form = { payment_request: req.body.paymentReq };
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if (req.body.paymentAmount) {
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options.form.amt = req.body.paymentAmount;
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}
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if (req.body.feeLimit) { options.form.fee_limit = req.body.feeLimit; }
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if (req.body.outgoingChannel) { options.form.outgoing_chan_id = req.body.outgoingChannel; }
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if (req.body.allowSelfPayment) { options.form.allow_self_payment = req.body.allowSelfPayment; }
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if (req.body.lastHopPubkey) { options.form.last_hop_pubkey = Buffer.from(req.body.lastHopPubkey, 'hex').toString('base64'); }
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options.form = JSON.stringify(options.form);
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logger.log({level: 'DEBUG', fileName: 'Channels', msg: 'Send Payment Options', data: options.form});
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request.post(options).then((body) => {
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logger.log({level: 'DEBUG', fileName: 'Channels', msg: 'Send Payment Response', data: body});
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if (body.payment_error) {
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const err = common.handleError(body.payment_error, 'Channels', 'Send Payment Error');
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return res.status(err.statusCode).json({message: err.message, error: err.error});
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} else {
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Payment Sent'});
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res.status(201).json(body);
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}
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})
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.catch(errRes => {
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const err = common.handleError(errRes, 'Channels', 'Send Payment Error');
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return res.status(err.statusCode).json({message: err.message, error: err.error});
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});
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};
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exports.closeChannel = (req, res, next) => {
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try {
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Closing Channel..'});
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options = common.getOptions();
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let channelpoint = req.params.channelPoint.replace(':', '/');
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options.url = common.getSelLNServerUrl() + '/v1/channels/' + channelpoint + '?force=' + req.query.force;
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if (req.query.target_conf) { options.url = options.url + '&target_conf=' + req.query.target_conf; }
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if (req.query.sat_per_byte) { options.url = options.url + '&sat_per_byte=' + req.query.sat_per_byte; }
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logger.log({level: 'DEBUG', fileName: 'Channels', msg: 'Closing Channel Options URL', data: options.url});
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request.delete(options);
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res.status(202).json({message: 'Close channel request has been submitted.'});
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} catch (error) {
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logger.log({level: 'ERROR', fileName: 'Channels', msg: 'Close Channel Error', error: error.message});
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return res.status(500).json({message: 'Close Channel Error', error: error.message});
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}
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}
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exports.postChanPolicy = (req, res, next) => {
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Updating Channel Policy..'});
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options = common.getOptions();
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options.url = common.getSelLNServerUrl() + '/v1/chanpolicy';
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if (req.body.chanPoint === 'all') {
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options.form = JSON.stringify({
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global: true,
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base_fee_msat: req.body.baseFeeMsat,
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fee_rate: parseFloat(req.body.feeRate/1000000),
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time_lock_delta: parseInt(req.body.timeLockDelta)
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});
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} else {
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let breakPoint = req.body.chanPoint.indexOf(':');
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let txid_str = req.body.chanPoint.substring(0, breakPoint);
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let output_idx = req.body.chanPoint.substring(breakPoint+1, req.body.chanPoint.length);
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options.form = JSON.stringify({
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base_fee_msat: req.body.baseFeeMsat,
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fee_rate: parseFloat(req.body.feeRate/1000000),
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time_lock_delta: parseInt(req.body.timeLockDelta),
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chan_point: {funding_txid_str: txid_str, output_index: parseInt(output_idx)}
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});
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}
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logger.log({level: 'DEBUG', fileName: 'Channels', msg: 'Update Channel Policy Options', data: options.form});
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request.post(options).then((body) => {
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logger.log({level: 'DEBUG', fileName: 'Channels', msg: 'Update Channel Policy', data: body});
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logger.log({level: 'INFO', fileName: 'Channels', msg: 'Channel Policy Updated'});
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res.status(201).json(body);
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})
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.catch(errRes => {
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const err = common.handleError(errRes, 'Channels', 'Update Channel Policy Error');
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return res.status(err.statusCode).json({message: err.message, error: err.error});
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});
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};
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