lightninglabs / lightninglabs/loop

URGENT: Loop In Operation Stuck - Funds Not Credited to Channel

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Description

Dear Lightning Labs Support,
I'm experiencing a critical issue with a Loop In operation that appears to be stuck.
Problem Summary:
Loop In operation for 1,490,000 sats shows "HTLC Published" status
On-chain transaction has 121+ confirmations
Funds have not been credited to any Lightning channel
Operation has been stuck in this state for over 24 hours
Technical Details (Safe to Share):
Operation Type: Loop In
Amount: 1,490,000 sats
Status: HTLC Published (stuck)
Confirmations: 121 blocks
Timestamp: November 27, ~7:36 PM
Evidence of Issue:
Lightning Terminal interface shows permanent "HTLC Published" status
Channel balances remain unchanged pre/post operation
Wallet balance does not reflect the Loop In amount
On-chain transaction confirmed but Lightning portion incomplete
What I've Verified:
All channels are active and healthy
Node is fully synced (chain + graph)
No error messages in logs related to this operation
Previous Loop operations completed successfully

Request:
Please investigate this stuck operation and either:
Complete the Loop In and credit funds to my Lightning channels, OR
Initiate a refund of the 1,490,000 sats
I'm available to provide additional technical details via private channels if needed.

Additional Context:
LND version: 0.20.0-beta
Loop operation via Lightning Terminal web interface
All other node functions operating normally

Thank you for your urgent attention to this matter.

Best regards,
Alex

![Image](https://github.com/user-attachments/assets/b0d0d61b-5c46-4d09-ae9c-9ba59bf9c159)

Contributor guide

No contributing guide indexed for this repository

Research direction

The report concerns a Loop In operation shown in the Lightning Terminal interface, with LND 0.20.0-beta and an on-chain transaction confirmed 121+ times. Start by reviewing how the operation's HTLC Published state is tracked and reconciled; done means identifying why this operation did not credit a channel or reach a refund path, with the funds safely resolved.

Written by the indexing model from the issue text.

Assessment

Tech stack
go
Domain
backend, payments
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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