Lightning Network Daemon ⚡️
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.github docs: expand contributor checklist w/ commit structure Dec 20, 2018
aezeed Fixup aezeed Jan 14, 2019
autopilot autopilot/interface+agent: return NodeScore from NodeScores Jan 8, 2019
brontide multi: sort import paths with gofmt Aug 3, 2018
build build: bump version to 0.5.1 Nov 16, 2018
chainntnfs chainntnfs/txnotiifer: define MaxNumConfs supported as ReorgSafetyLimit Jan 12, 2019
channeldb multi: move CsvDelay into ChannelConstraints Jan 12, 2019
cmd/lncli cmd/lncli: add new --sweepall flag to sendcoins Jan 9, 2019
contractcourt cnct: split resolvers in separate files Jan 16, 2019
contrib contrib: add basic bash completion for lncli Jan 30, 2017
discovery gossiper: validate our own node announement Dec 5, 2018
docker enable btct and btcctl mainnet to be invoked from docker Jan 12, 2019
docs docs: add new section to contribution guidelines for go mod replace Jan 18, 2019
htlcswitch Merge pull request #2397 from halseth/reject-commitment-expected-fee-… Jan 15, 2019
invoices invoices: create package Jan 7, 2019
keychain keychain: extend DerivePrivKey to derive based on pubkey+KeyFamily Jan 4, 2019
lncfg lncfg/address_test: test LNAddress parsing, refactor addr tests Jan 10, 2019
lnpeer peer: make AddNewChannel take OpenChannel Sep 28, 2018
lnrpc lnrpc/signrpc/signer_server: fix incorrect lnwallet.InputScript field Jan 16, 2019
lntest lnd_test+lntest: seperate miner and chain backend Jan 16, 2019
lnwallet Merge pull request #2198 from Roasbeef/sendall-rpc Jan 15, 2019
lnwire lnwire: ensure we precisely encode the length for onion errors w/ cha… Jan 11, 2019
macaroons multi: switch from bolt packge to bbolt package for all imports Nov 30, 2018
make make/testing_flags: remove unused PROD_TAGS Nov 30, 2018
multimutex multimutex: add new multimutex package Jan 24, 2018
nat nat: introduce new NAT traversal package with UPnP/NAT-PMP implementa… Jun 13, 2018
netann Merge pull request #2445 from cfromknecht/netann-logging Jan 11, 2019
queue queue/queue_test: adds 100% test coverage Dec 3, 2018
routing routing/router: avoid naked spew of channel policies Jan 10, 2019
shachain multi: sort import paths with gofmt Aug 3, 2018
signal multi: init subsystem loggers via build pkg Oct 5, 2018
sweep sweep: add unit tests for TestDetermineFeePerKw and CraftSweepAllTx Jan 9, 2019
ticker ticker: fix linter error Aug 10, 2018
tor Merge pull request #1856 from maurycy/typos Sep 28, 2018
walletunlocker walletunlocker/service: change noencryptwallet reference to noseedbackup Sep 5, 2018
watchtower watchtower/wtserver/server: return valid reward script Jan 18, 2019
zpay32 multi: sort import paths with gofmt Aug 3, 2018
.gitignore gitignore: ignore .minerlogs folder Jan 16, 2019
.travis.yml travis: use make targets instead of chaining Nov 30, 2018
Dockerfile fix dockerfile dependency bug Dec 2, 2018
LICENSE lnd: update copyright notice Nov 2, 2018
Makefile make: build lnd-itest before flakehunting Jan 17, 2019
README.md server: properly set node pubkey within initTorController Oct 28, 2018
breacharbiter.go lnwallet+sweep: extend the WitnessGenerator type to return an InputSc… Jan 9, 2019
breacharbiter_test.go multi: move CsvDelay into ChannelConstraints Jan 12, 2019
chainparams.go test+lnd: update unit test mocks to adhere to new interface API's Aug 1, 2018
chainregistry.go lnwallet: prevent static fee estimator fees from being modified Dec 18, 2018
chancloser.go chancloser: remove error returned from unregisterChannel Aug 10, 2018
config.go config: add minbackoff to mirror maxbackoff Jan 4, 2019
doc.go add some daemon related skeleton files Dec 26, 2015
fundingmanager.go lnwallet+fundingmanager: enforce max MinAcceptDepth within funding pr… Jan 12, 2019
fundingmanager_test.go lnwallet+fundingmanager: enforce max MinAcceptDepth within funding pr… Jan 12, 2019
go.mod build: update ltcd import Jan 2, 2019
go.sum build: tidy go modules Jan 2, 2019
lnd.go rpcsercer+subservercfg: populate autopilot RPC config Dec 13, 2018
lnd_test.go lnd_test: fix reorg test by using new Node RPC Jan 16, 2019
log.go log: add watchtower logs Jan 15, 2019
logo.png README: add logo to top portion of page Sep 29, 2017
mock.go utxonursery: connect to time-based sweeper Dec 18, 2018
nursery_store.go utxonursery: connect to time-based sweeper Dec 18, 2018
nursery_store_test.go utxonursery: connect to time-based sweeper Dec 18, 2018
peer.go peer: handle message encoding errors on write Jan 11, 2019
peer_test.go htlcswitch: remove lnrpc dependency Jan 3, 2019
pilot.go autopilot/pref_attachment: rename ConstrainedPrefAttachment->PrefAtta… Jan 8, 2019
release.sh build: update release.sh to contain vendor archive + source code Jan 18, 2019
rpcserver.go rpc: populate new initiator field in ListChannels response Jan 16, 2019
sample-lnd.conf Merge pull request #1108 from sangaman/sever-server Sep 28, 2018
server.go Merge pull request #2463 from wpaulino/notify-when-offline Jan 16, 2019
server_test.go Improved color validation - now with fixes and a table driven test Nov 9, 2018
subrpcserver_config.go rpcsercer+subservercfg: populate autopilot RPC config Dec 13, 2018
test_utils.go multi: move CsvDelay into ChannelConstraints Jan 12, 2019
utxonursery.go utxonursery: fix bound variable bug Dec 21, 2018
utxonursery_test.go utxonursery: use mocked sweeper in tests Dec 19, 2018
witness_beacon.go invoices: create package Jan 7, 2019

README.md

Lightning Network Daemon

Build Status MIT licensed Irc Godoc

The Lightning Network Daemon (lnd) - is a complete implementation of a Lightning Network node and currently deployed on testnet3 - the Bitcoin Test Network. 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 API's 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 talks, articles, and example applications can be found at: dev.lightning.community.

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.

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.freenode.net
  • channel #lnd
  • webchat

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