kosmos/lndhub
8
0
Fork 0
Code Issues Pull Requests Releases Activity

FIX: improve stuck payments processing

Browse Source
This commit is contained in:
Overtorment 2019-04-13 00:27:07 +01:00
parent 4a871a7d17
commit 35d8ff5599
3 changed files with 51 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
class/Paym.js
View File

@ -126,13 +126,29 @@ export class Paym {
return await this.sendToRouteSync(routes.routes);
}
async listPayments() {
return new Promise((resolve, reject) => {
this._lightning.listPayments({}, function(err, response) {
if (err) return reject(err);
resolve(response);
});
});
}
async isExpired() {
if (!this._bolt11) throw new Error('bolt11 is not provided');
const decoded = await this.decodePayReqViaRpc(this._bolt11);
return +decoded.timestamp + +decoded.expiry < +new Date() / 1000;
}
decodePayReq(payReq) {
this._decoded = lightningPayReq.decode(payReq);
decodePayReqLocally(payReq) {
this._decoded_locally = lightningPayReq.decode(payReq);
}
async getPaymentHash() {
if (!this._bolt11) throw new Error('bolt11 is not provided');
if (!this._decoded) await this.decodePayReqViaRpc(this._bolt11);
return this._decoded['payment_hash'];
}
}

2
lightning.js
View File

@ -44,4 +44,4 @@ if (config.lnd.password) {
);
}
module.exports = new lnrpc.Lightning(config.lnd.url, creds);
module.exports = new lnrpc.Lightning(config.lnd.url, creds, { 'grpc.max_receive_message_length': 1024 * 1024 * 1024 });

35
scripts/process-locked-payments.js
View File

@ -11,6 +11,11 @@ let lightning = require('../lightning');
let keys = await redis.keys('locked_payments_for_*');
keys = User._shuffle(keys);
console.log('fetching listPayments...');
let tempPaym = new Paym(redis, bitcoinclient, lightning);
let listPayments = await tempPaym.listPayments();
console.log('done', 'got', listPayments['payments'].length, 'payments');
for (let key of keys) {
const userid = key.replace('locked_payments_for_', '');
console.log('===================================================================================');
@ -18,13 +23,16 @@ let lightning = require('../lightning');
let user = new User(redis, bitcoinclient, lightning);
user._userid = userid;
let lockedPayments = await user.getLockedPayments();
// lockedPayments = [{pay_req : 'lnbc2m1pwgd4tdpp5vjz80mm8murdkskrnre6w4kphzy3d6gap5jyffr93u02ruaj0wtsdq2xgcrqvpsxqcqzysk34zva4h9ce9jdf08nfdm2sh2ek4y4hjse8ww9jputneltjl24krkv50sene4jh0wpull6ujgrg632u2qt3lkva74vpkqr5e5tuuljspasqfhx'}];
for (let lockedPayment of lockedPayments) {
console.log('processing lockedPayment=', lockedPayment);
let daysPassed = (+new Date() / 1000 - lockedPayment.timestamp) / 3600 / 24;
console.log('processing lockedPayment=', lockedPayment, daysPassed, 'days passed');
let payment = new Paym(redis, bitcoinclient, lightning);
payment.setInvoice(lockedPayment.pay_req);
if (await payment.isExpired()) {
if (daysPassed < 2) {
// if (!await payment.isExpired()) {
let sendResult;
try {
sendResult = await payment.attemptPayToRoute();
@ -50,7 +58,28 @@ let lightning = require('../lightning');
}
console.log('sleeping 5 sec...');
console.log('-----------------------------------------------------------------------------------');
await User._sleep(5);
await User._sleep(0);
} else if (daysPassed > 4) {
// trying to lookup this stuck payment in an array of delivered payments
let isPaid = false;
for (let sentPayment of listPayments['payments']) {
if ((await payment.getPaymentHash()) == sentPayment.payment_hash) {
console.log('found this payment in listPayments array, so it is paid successfully');
let sendResult = payment.processSendPaymentResponse({ payment_error: 'already paid' } /* hacky */); // adds fees
console.log('saving paid invoice:', sendResult);
await user.savePaidLndInvoice(sendResult);
await user.unlockFunds(lockedPayment.pay_req);
isPaid = true;
console.log('!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!', await payment.getPaymentHash(), sentPayment.payment_hash);
process.exit();
break;
}
}
if (!isPaid) {
console.log('very old payment, evict the lock');
await user.unlockFunds(lockedPayment.pay_req);
}
}
}
}