LND Channel Opening Stuck — Pending Channel Not Confirming

A channel open transaction stuck in mempool means your channel is in limbo. Here's how to diagnose and recover.

Check pending channels

lncli pendingchannels | python3 -c "
import json, sys
d = json.load(sys.stdin)
for ch in d.get('pending_open_channels', []):
    txid = ch['channel']['channel_point'].split(':')[0]
    print(f'Pending open: {txid}')
    print(f'  Capacity: {ch["channel"]["capacity"]} sats')
    print(f'  Local balance: {ch["channel"]["local_balance"]} sats')
"

Check if the funding TX is in mempool

TXID="<your_funding_txid>"

# Using bitcoin-cli
bitcoin-cli getmempoolentry $TXID
# If 'Transaction not in mempool' → either confirmed or dropped

# Check if confirmed
bitcoin-cli getrawtransaction $TXID 1 | python3 -c "
import json,sys
d=json.load(sys.stdin)
print('Confirmations:', d.get('confirmations', 0))
"

TX dropped from mempool — CPFP to bump fee

# If TX fell out of mempool (too low fee), use CPFP:
# 1. Find the change output from your funding TX
bitcoin-cli getrawtransaction $TXID 1 | python3 -c "
import json,sys
d=json.load(sys.stdin)
for i,out in enumerate(d['vout']):
    print(f'Output {i}: {out[\"value\"]} BTC -> {out[\"scriptPubKey\"].get(\"address\", \"?\")}') 
"

# 2. Spend the change output with a high-fee TX
# This creates a child TX that incentivizes miners to include the parent
lncli wallet bumpfee <txid>:<vout_index>  # LND 0.15+

Channel still pending after 6+ confirmations?

# Check if LND sees the confirmation
lncli listchannels | grep -c 'active'

# Force LND to rescan
lncli wallet rescan --start_height <block_before_funding_tx>

# Check LND logs for channel open events
sudo journalctl -u lnd --since '1 hour ago' | grep -iE 'channel|open|confirm|funding'

Prevent stuck channels

# In lnd.conf — set minimum confirmation target
[Bitcoin]
bitcoin.defaultchanconfs=3

# Use sat/vbyte estimate before opening
bitcoin-cli estimatesmartfee 6  # 6-block target

# Or check mempool.space for current fees
curl -s https://mempool.space/api/v1/fees/recommended

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