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Erick Cestari aca27e27f5
lint: remove redundant loop var copies in test files
Since Go 1.22 loop variables are scoped per-iteration, so the
`x := x` / `a, b := a, b` copies inside range/for loops are no longer
needed. This removes the existing redundant copies in test files.
2026-06-03 15:32:45 -03:00
.claude/commands multi: add issue dedupe command and workflow 2026-02-11 13:06:42 +02:00
.gemini .gemini: ignore char wrapping during code review 2025-09-01 10:16:44 +02:00
.github Merge pull request #10841 from ziggie1984/bump-grpc-v1.79.3 2026-05-28 22:22:33 +08:00
.vscode meta: add build tags to workspace settings for lsp support 2023-11-14 17:10:31 -08:00
actor build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
aezeed multi: Fix typos and grammar in multiple docs 2024-07-22 20:08:12 -07:00
aliasmgr lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
amp lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
autopilot lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
batch multi: context.Background() -> t.Context() 2025-08-30 14:13:44 -03:00
blockcache blockcache: fix heap escape in GetBlock 2024-01-23 17:08:57 +08:00
brontide brontide+peer: use internal sync/pool to reduce allocations 2025-09-24 11:52:01 -07:00
buffer lnwire: remove unused MaxMessagePayload const 2021-08-10 05:36:07 +08:00
build lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
cert build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
chainio chainio: use package logger instead of instance logger 2025-06-18 19:43:27 +08:00
chainntnfs lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
chainparams sqldb: add validate-network unit tests 2026-04-10 12:03:54 +02:00
chainreg chainreg: clarify zmq port-mismatch warnings 2026-05-13 23:12:34 -05:00
chanacceptor lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
chanbackup lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
chanfitness lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
channeldb lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
channelnotifier channelnotifier: add NotifyEarlyClosedChannelEvent 2026-05-21 13:49:10 -07:00
chanstate chanstate: introduce Store interface 2026-05-11 18:54:30 -03:00
clock build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
cluster multi: context.Background() -> t.Context() 2025-08-30 14:13:44 -03:00
cmd multi: rename "taproot" channel type to mean production variant 2026-05-20 22:22:38 -07:00
contractcourt lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
contrib docs: remove PIDFile from example systemd service 2022-01-11 14:08:18 +01:00
discovery lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
docker build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
docs Merge pull request #10848 from saubyk/docs/db-migration-guide-update 2026-05-28 03:20:43 +08:00
feature lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
fn build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
funding lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
graph lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
healthcheck build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
htlcswitch lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
input lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
internal/musig2v040 lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
invoices lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
itest lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
keychain lnwallet: use the wallet interface 2025-08-26 20:36:21 +08:00
kvdb Merge pull request #10841 from ziggie1984/bump-grpc-v1.79.3 2026-05-28 22:22:33 +08:00
labels multi: fix make fmt 2022-08-23 22:10:24 +08:00
lncfg Merge pull request #10813 from erickcestari/tor-v2-cleanup 2026-05-26 18:25:07 +08:00
lnencrypt lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
lnmock mod+multi: bump neutrino to v0.16.2, btcwallet to 70a94ea39e9c 2026-03-10 17:19:29 -05:00
lnpeer multi: extend lnpeer.Peer interface with Disconnect function 2024-08-27 14:11:06 -04:00
lnrpc lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
lntest itest: assert sweep outpoint mined after RBF 2026-05-22 20:27:54 +08:00
lntypes refactor: replace min/max helpers with built-in min/max 2025-02-06 09:45:10 +08:00
lnutils lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
lnwallet lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
lnwire lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
macaroons multi: golang.org/x/net/context -> context 2025-08-30 14:13:44 -03:00
make build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
mobile mobile: correct output directory for generated files 2024-08-05 16:00:00 +02:00
monitoring multi: start updating various loggers to use the new v2 type 2024-10-22 17:03:55 +02:00
msgmux multi: actor-based onion message forwarding 2026-03-02 15:46:21 +01:00
multimutex multimutex: add unit tests 2025-03-24 00:40:35 -03:00
nat multi: Fix typos [skip ci] 2022-01-24 12:19:02 +02:00
netann lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
onionmessage lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
payments/db lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
peer lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
peernotifier multi: start updating various loggers to use the new v2 type 2024-10-22 17:03:55 +02:00
pool multi: fix fmt.Errorf error wrapping 2024-02-27 11:13:40 +00:00
protofsm protofsm: implement the actor.ActorBehavior interface for StateMachine 2026-04-22 17:33:04 -07:00
queue build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
record lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
routing lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
rpcperms rpcperms: allow multiple read-only middleware 2026-03-16 17:00:46 -04:00
scripts scripts: add tag-release.sh to safely cut release tags 2026-05-26 10:52:53 -03:00
shachain multi: use the "errors" package everywhere 2025-06-30 09:46:55 +02:00
signal multi: start updating various loggers to use the new v2 type 2024-10-22 17:03:55 +02:00
sqldb Merge pull request #10851 from ziggie1984/fix-fetch-nonterminal-pagination 2026-05-28 22:16:35 +08:00
subscribe trivial: Fix spelling errors 2023-09-21 22:35:33 -04:00
sweep lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
ticker build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
tlv build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
tools build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
tor build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
walletunlocker multi: context.Background() -> t.Context() 2025-08-30 14:13:44 -03:00
watchtower lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
zpay32 lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
.editorconfig .editorconfig: add editor settings for most editors 2022-07-06 13:33:02 +02:00
.gitignore gitignore: ignore .worktrees 2026-03-26 17:07:12 +08:00
.golangci.yml build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
.protolint.yaml protolint: configure protolint and fix the protolinting issues 2024-01-22 22:00:00 +02:00
accessman.go accessman: fix structured logging formatting 2025-07-01 07:43:26 +02:00
accessman_test.go multi: context.Background() -> t.Context() 2025-08-30 14:13:44 -03:00
channel_notifier.go multi: thread context through to AddrsForNode 2025-06-17 19:20:59 +02:00
chanrestore.go multi: drop tor v2 onion production, keep wire codec faithful 2026-05-22 09:42:37 -03:00
config.go multi: drop tor v2 onion production, keep wire codec faithful 2026-05-22 09:42:37 -03:00
config_builder.go config_builder: wire neutrino header import config 2026-05-20 19:34:32 -07:00
config_onion_ratelimit_test.go lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
config_prod.go lnd: add clarifiying comment when introducing a new db 2026-03-17 20:55:23 +01:00
config_test.go multi: drop tor v2 onion production, keep wire codec faithful 2026-05-22 09:42:37 -03:00
config_test_native_sql.go lnd: use sql store for payments in normal build 2026-03-17 20:55:23 +01:00
dev.Dockerfile build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
doc.go lnd: rename package main->lnd 2019-04-23 20:57:33 +02:00
Dockerfile build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
go.mod mod: bump sqldb to v1.0.13 2026-05-29 01:14:24 +08:00
go.sum mod: bump btcwallet to v0.16.18 2026-05-29 00:51:36 +08:00
intercepted_forward.go multi: update to fn v2 2024-12-04 13:19:00 -07:00
LICENSE multi: Update Licenses to 2022 [skip ci] 2022-02-09 00:25:20 +02:00
lnd.go multi: drop tor v2 onion production, keep wire codec faithful 2026-05-22 09:42:37 -03:00
log.go chanstate: introduce Store interface 2026-05-11 18:54:30 -03:00
logo.png README: add logo to top portion of page 2017-09-29 14:06:31 -07:00
Makefile build: bump Go version to 1.26.3 2026-05-26 15:45:16 -03:00
pilot.go multi: drop tor v2 onion production, keep wire codec faithful 2026-05-22 09:42:37 -03:00
README.md security: update security@ PGP key 2025-11-11 14:44:50 -08:00
rpcserver.go contractcourt+server: insta-dispatch CLOSED_CHANNEL on first conf 2026-05-21 13:49:10 -07:00
rpcserver_test.go multi: update to fn v2 2024-12-04 13:19:00 -07:00
sample-lnd.conf Merge pull request #10813 from erickcestari/tor-v2-cleanup 2026-05-26 18:25:07 +08:00
SECURITY.md security: update security@ PGP key 2025-11-11 14:44:50 -08:00
server.go Merge pull request #10813 from erickcestari/tor-v2-cleanup 2026-05-26 18:25:07 +08:00
server_test.go multi: drop tor v2 onion production, keep wire codec faithful 2026-05-22 09:42:37 -03:00
sqlc.yaml multi: add sqlc support 2023-07-10 17:36:58 -07:00
subrpcserver_config.go lnrpc: depend on chanstate Store 2026-05-12 11:26:28 -03:00
sweeper_wallet.go lnd: skip canceling rebroadcast for neutrino backend 2023-04-26 10:38:13 +08:00
tls_manager.go tls_manager.go: handle case when either TLS pair files exist 2025-11-27 13:33:14 +00:00
tls_manager_test.go lint: remove redundant loop var copies in test files 2026-06-03 15:32:45 -03:00
types.go cmd: make types.go accessible in lnd package 2026-01-07 10:25:29 +01:00
witness_beacon.go Merge pull request #9319 from thirdkeyword/master 2024-12-19 08:30:39 +01:00
witness_beacon_test.go lnd: replace defer cleanup with t.Cleanup 2022-10-13 17:47:04 +08:00

Lightning Network Daemon

Release build MIT licensed Irc Godoc Go Report Card

The Lightning Network Daemon (lnd) - is a complete implementation of a Lightning Network node. lnd has several pluggable back-end chain services including btcd (a full-node), bitcoind, and neutrino (a new experimental light client). The project's codebase uses the btcsuite set of Bitcoin libraries, and also exports a large set of isolated re-usable Lightning Network related libraries within it. In the current state lnd is capable of:

  • Creating channels.
  • Closing channels.
  • Completely managing all channel states (including the exceptional ones!).
  • Maintaining a fully authenticated+validated channel graph.
  • Performing path finding within the network, passively forwarding incoming payments.
  • Sending outgoing onion-encrypted payments through the network.
  • Updating advertised fee schedules.
  • Automatic channel management (autopilot).

Lightning Network Specification Compliance

lnd fully conforms to the Lightning Network specification (BOLTs). BOLT stands for: Basis of Lightning Technology. The specifications are currently being drafted by several groups of implementers based around the world including the developers of lnd. The set of specification documents as well as our implementation of the specification are still a work-in-progress. With that said, the current status of lnd's BOLT compliance is:

  • BOLT 1: Base Protocol
  • BOLT 2: Peer Protocol for Channel Management
  • BOLT 3: Bitcoin Transaction and Script Formats
  • BOLT 4: Onion Routing Protocol
  • BOLT 5: Recommendations for On-chain Transaction Handling
  • BOLT 7: P2P Node and Channel Discovery
  • BOLT 8: Encrypted and Authenticated Transport
  • BOLT 9: Assigned Feature Flags
  • BOLT 10: DNS Bootstrap and Assisted Node Location
  • BOLT 11: Invoice Protocol for Lightning Payments

Developer Resources

The daemon has been designed to be as developer friendly as possible in order to facilitate application development on top of lnd. Two primary RPC interfaces are exported: an HTTP REST API, and a gRPC service. The exported APIs are not yet stable, so be warned: they may change drastically in the near future.

An automatically generated set of documentation for the RPC APIs can be found at api.lightning.community. A set of developer resources including guides, articles, example applications and community resources can be found at: docs.lightning.engineering.

Finally, we also have an active Slack where protocol developers, application developers, testers and users gather to discuss various aspects of lnd and also Lightning in general.

First-time contributors are highly encouraged to start with code review first, before creating their own Pull Requests.

Installation

In order to build from source, please see the installation instructions.

Docker

To run lnd from Docker, please see the main Docker instructions

IRC

  • irc.libera.chat
  • channel #lnd
  • webchat

Safety

When operating a mainnet lnd node, please refer to our operational safety guidelines. It is important to note that lnd is still beta software and that ignoring these operational guidelines can lead to loss of funds.

Security

The developers of lnd take security very seriously. The disclosure of security vulnerabilities helps us secure the health of lnd, privacy of our users, and also the health of the Lightning Network as a whole. If you find any issues regarding security or privacy, please disclose the information responsibly by sending an email to security at lightning dot engineering, preferably encrypted using our designated PGP key (91FE464CD75101DA6B6BAB60555C6465E5BCB3AF) which can be found here.

Further reading