Ride-The-Lightning-RTL/controllers/channels.js
ShahanaFarooqui a9e8ca6a75 Angular 8 Update
Angular 8 Update
2019-07-27 14:20:17 -04:00

218 lines
8.1 KiB
JavaScript

var request = require('request-promise');
var common = require('../common');
var logger = require('./logger');
var options = {};
getAliasForChannel = (channel, channelType) => {
return new Promise(function(resolve, reject) {
if (undefined === channelType || channelType === 'all') {
options.url = common.getSelLNDServerUrl() + '/graph/node/' + channel.remote_pubkey;
} else {
options.url = common.getSelLNDServerUrl() + '/graph/node/' + channel.channel.remote_node_pub;
}
request(options).then(function(aliasBody) {
logger.info({fileName: 'Channels', msg: 'Alias: ' + JSON.stringify(aliasBody.node.alias)});
if (undefined === channelType || channelType === 'all') {
channel.remote_alias = aliasBody.node.alias;
resolve(aliasBody.node.alias);
} else {
channel.channel.remote_alias = aliasBody.node.alias;
resolve(aliasBody.node.alias);
}
})
.catch(err => resolve(''));
});
}
exports.getChannels = (req, res, next) => {
options = common.getOptions();
if (undefined === req.params.channelType || req.params.channelType === 'all') {
options.url = common.getSelLNDServerUrl() + '/channels';
} else {
options.url = common.getSelLNDServerUrl() + '/channels/' + req.params.channelType; // active_only, inactive_only, public_only, private_only, Not Implemented in Frontend yet
}
options.qs = req.query;
request(options).then(function (body) {
let channels = [];
if (undefined === req.params.channelType || req.params.channelType === 'all') {
channels = (undefined === body.channels) ? [] : body.channels;
Promise.all(
channels.map(channel => {
return getAliasForChannel(channel, req.params.channelType);
})
)
.then(function(values) {
logger.info({fileName: 'Channels', msg: 'Channels with Alias: ' + JSON.stringify(body)});
res.status(200).json(body);
}).catch(err => {
console.error(err.error);
});
} else {
if (undefined === body.total_limbo_balance) {
body.total_limbo_balance = 0;
body.btc_total_limbo_balance = 0;
} else {
body.btc_total_limbo_balance = common.convertToBTC(body.total_limbo_balance);
}
if (req.params.channelType === 'closed') {
body.channels.forEach(channel => {
channel.close_type = (undefined === channel.close_type) ? 'COOPERATIVE_CLOSE' : channel.close_type;
});
body.channels = common.sortDescByKey(body.channels, 'close_type');
}
logger.info({fileName: 'Channels', msg: 'Pending/Closed Channels: ' + JSON.stringify(body)});
res.status(200).json(body);
}
})
.catch(function (err) {
logger.error({fileName: 'Channels', lineNum: 68, msg: 'Get Channel: ' + JSON.stringify(err)});
return res.status(500).json({
message: 'Fetching Channels Failed!',
error: err.error
});
});
};
exports.postChannel = (req, res, next) => {
options = common.getOptions();
options.url = common.getSelLNDServerUrl() + '/channels';
options.form = {
node_pubkey_string: req.body.node_pubkey,
local_funding_amount: req.body.local_funding_amount,
private: req.body.private,
spend_unconfirmed: req.body.spend_unconfirmed
};
if (req.body.trans_type === '1') {
options.form.target_conf = req.body.trans_type_value;
} else if (req.body.trans_type === '2') {
options.form.sat_per_byte = req.body.trans_type_value;
}
options.form = JSON.stringify(options.form);
request.post(options).then((body) => {
logger.info({fileName: 'Channels', msg: 'Channel Open Response: ' + JSON.stringify(body)});
if(undefined === body || body.error) {
res.status(500).json({
message: 'Open Channel Failed!',
error: (undefined === body) ? 'Error From Server!' : body.error
});
} else {
res.status(201).json(body);
}
})
.catch(function (err) {
logger.error({fileName: 'Channels', lineNum: 103, msg: 'Open Channel: ' + JSON.stringify(err)});
return res.status(500).json({
message: 'Open Channel Failed!',
error: err.error
});
});
};
exports.postTransactions = (req, res, next) => {
options = common.getOptions();
options.url = common.getSelLNDServerUrl() + '/channels/transactions';
if(req.body.paymentReq) {
options.form = JSON.stringify({
payment_request: req.body.paymentReq
});
} else if(req.body.paymentDecoded) {
options.form = JSON.stringify({
payment_hash_string: req.body.paymentDecoded.payment_hash,
final_cltv_delta: parseInt(req.body.paymentDecoded.cltv_expiry),
amt: req.body.paymentDecoded.num_satoshis,
dest_string: req.body.paymentDecoded.destination
});
}
request.post(options).then((body) => {
logger.info({fileName: 'Channels', msg: 'Send Payment Response: ' + JSON.stringify(body)});
if(undefined === body || body.error) {
res.status(500).json({
message: 'Send Payment Failed!',
error: (undefined === body) ? 'Error From Server!' : body.error
});
} else if (body.payment_error) {
res.status(500).json({
message: 'Send Payment Failed!',
error: (undefined === body) ? 'Error From Server!' : body.payment_error
});
} else {
res.status(201).json(body);
}
})
.catch(function (err) {
logger.error({fileName: 'Channels', lineNum: 143, msg: 'Send Payment: ' + JSON.stringify(err)});
return res.status(500).json({
message: 'Send Payment Failed!',
error: err.error
});
});
};
exports.closeChannel = (req, res, next) => {
req.setTimeout(60000 * 10); // timeout 10 mins
options = common.getOptions();
let channelpoint = req.params.channelPoint.replace(':', '/');
options.url = common.getSelLNDServerUrl() + '/channels/' + channelpoint + '?force=' + req.query.force;
logger.info({fileName: 'Channels', msg: 'Closing Channel: ' + options.url});
request.delete(options).then((body) => {
logger.info({fileName: 'Channels', msg: 'Close Channel Response: ' + JSON.stringify(body)});
if(undefined === body || body.error) {
res.status(500).json({
message: 'Close Channel Failed!',
error: (undefined === body) ? 'Error From Server!' : body.error
});
} else {
res.status(204).json({message: 'Channel Closed!'});
}
})
.catch(function (err) {
logger.error({fileName: 'Channels', lineNum: 169, msg: 'Close Channel: ' + JSON.stringify(err)});
return res.status(500).json({
message: 'Close Channel Failed!',
error: err.error
});
});
}
exports.postChanPolicy = (req, res, next) => {
options = common.getOptions();
options.url = common.getSelLNDServerUrl() + '/chanpolicy';
if(req.body.chanPoint === 'all') {
options.form = JSON.stringify({
global: true,
base_fee_msat: req.body.baseFeeMsat,
fee_rate: parseFloat(req.body.feeRate/1000000),
time_lock_delta: parseInt(req.body.timeLockDelta)
});
} else {
let breakPoint = req.body.chanPoint.indexOf(':');
let txid_str = req.body.chanPoint.substring(0, breakPoint);
let output_idx = req.body.chanPoint.substring(breakPoint+1, req.body.chanPoint.length);
options.form = JSON.stringify({
base_fee_msat: req.body.baseFeeMsat,
fee_rate: parseFloat(req.body.feeRate/1000000),
time_lock_delta: parseInt(req.body.timeLockDelta),
chan_point: {funding_txid_str: txid_str, output_index: parseInt(output_idx)}
});
}
logger.info({fileName: 'Channels', msg: 'Update Channel Policy Options: ' + JSON.stringify(options)});
request.post(options).then((body) => {
logger.info({fileName: 'Channels', msg: 'Update Channel Policy: ' + JSON.stringify(body)});
if(undefined === body || body.error) {
res.status(500).json({
message: 'Update Channel Failed!',
error: (undefined === body) ? 'Error From Server!' : body.error
});
} else {
res.status(201).json(body);
}
})
.catch(function (err) {
logger.error({fileName: 'Channels', lineNum: 211, msg: 'Update Channel Policy: ' + JSON.stringify(err)});
return res.status(500).json({
message: 'Update Channel Failed!',
error: err.error
});
});
};