AgentSkillsCN

check-lightning

对 Lightning Network 集成进行深入审计,包括节点健康状况、通道余额、对等节点连通性、发票处理以及路由机制等核心环节。适用于以下场景:评估 Lightning 网络的部署效果、排查支付失败原因,或进行容量规划与优化。 关键词:Lightning、LND、CLN、通道、发票、Bolt11。

SKILL.md
--- frontmatter
name: check-lightning
description: |
  Audit Lightning Network integration. Checks node health, channel balances,
  peer connectivity, invoice handling, and routing. Use when: reviewing
  Lightning setup, diagnosing payment failures, or capacity planning.
  Keywords: lightning, lnd, cln, channels, invoices, bolt11.

/check-lightning

Audit Lightning integration. Output findings as structured report.

What This Does

  1. Check node sync status
  2. Check channel balances (inbound/outbound)
  3. Audit peer connectivity
  4. Verify invoice generation
  5. Review payment routing success rate
  6. Check watchtower configuration
  7. Output prioritized findings (P0-P3)

This is a primitive. It only investigates and reports. Use /log-lightning-issues to create GitHub issues or /fix-lightning to fix.

Process

1. Node Sync Status (lncli getinfo)

bash
# LND: node info + sync status
lncli --network=testnet getinfo

# CLN alternative
lightning-cli getinfo

2. Channel Balance (inbound/outbound liquidity)

bash
# Channel balances + local/remote liquidity
lncli --network=testnet channelbalance
lncli --network=testnet listchannels

# On-chain wallet balance
lncli --network=testnet walletbalance

# CLN alternative
lightning-cli listfunds
lightning-cli listchannels

3. Peer Connectivity

bash
# Peers connected?
lncli --network=testnet listpeers

# CLN alternative
lightning-cli listpeers

4. Invoice Generation

bash
# Create test invoice (bolt11)
lncli --network=testnet addinvoice --amt 1000 --memo "healthcheck"

# List invoices
lncli --network=testnet listinvoices --max_invoices 5

# CLN alternative
lightning-cli invoice 1000 "healthcheck" "healthcheck"
lightning-cli listinvoices

5. Payment Routing Success Rate

bash
# Forwarding history (route success)
lncli --network=testnet fwdinghistory --max_events 50

# Recent payments
lncli --network=testnet listpayments --max_payments 20

# CLN alternative
lightning-cli listforwards
lightning-cli listpays

6. Watchtower Configuration

bash
# Watchtower info (LND)
lncli --network=testnet tower info 2>/dev/null || echo "No tower info (watchtower off?)"
lncli --network=testnet listtowers 2>/dev/null | head -5

# CLN alternative
lightning-cli listwatchtowers 2>/dev/null | head -5

7. Deep Audit

Spawn lightning-auditor agent for comprehensive review:

  • Channel policy sanity (fees, cltv deltas)
  • Route liquidity vs payment sizes
  • Invoice expiry + preimage handling
  • Peer reliability and channel age
  • Backup + recovery posture

Output Format

markdown
## Lightning Audit

### P0: Critical (Payment Failures)
- Node not synced - Cannot route or pay
- No inbound liquidity - Invoices cannot be paid
- Watchtower disabled on public node

### P1: Essential (Must Fix)
- Peers disconnected or flapping
- High failure rate in forwarding history
- Invoice generation failing (bolt11 invalid)

### P2: Important (Should Fix)
- Low outbound liquidity - Payments often fail
- Fee policy too high for routes
- No channel backups verified
- No monitoring for stuck HTLCs

### P3: Nice to Have
- Optimize channel mix for inbound capacity
- Add more diverse peers
- Track success rate over time

## Current Status
- Sync: Unknown
- Liquidity: Unknown
- Peers: Unknown
- Invoices: Unknown
- Routing: Unknown
- Watchtower: Unknown

## Summary
- P0: 2 | P1: 3 | P2: 4 | P3: 3
- Recommendation: Fix sync + inbound liquidity before routing work

Priority Mapping

GapPriority
Node not syncedP0
No inbound liquidityP0
Watchtower off on public nodeP0
Peer instabilityP1
Routing failuresP1
Invoice generation brokenP1
Low outbound liquidityP2
Fee policy too highP2
Missing channel backupsP2
Optimization workP3

Related

  • /log-lightning-issues - Create GitHub issues from findings
  • /fix-lightning - Fix Lightning issues
  • /lightning - Full Lightning lifecycle management
  • /check-bitcoin - Bitcoin on-chain audit
  • /check-btcpay - BTCPay Server audit
  • /check-payments - Multi-provider payment audit