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Olaoluwa Osuntokun 6c986864ff
routing: fix bug in newRoute, use time lock delta of prior hop, not current
In this commit, we fix an existing bug in the newRoute method. Before
this commit we would use the time lock delta of the current hop to
compute the outgoing time lock for the current hop. This is incorrect as
the time lock delta of the _outgoing_ hop should be used, as this is
what we're paying for "transit" on. This is a bug left over from when we
switched the meaning of the CLTV delta on the ChannelUpdate message
sometime last year.

The fix is simple: use the CLTV delta of the prior (later in the route)
hop.
2018-06-26 17:29:42 -07:00
.github github: add GitHub issue template 2018-03-28 15:02:07 -07:00
aezeed aezeed: fix README links 2018-05-09 16:36:40 -07:00
autopilot multi: 64bit aligment of atomic vars on arm/x86-32 2018-06-04 20:02:34 -07:00
brontide multi: fix a-vs-an typos 2018-04-17 19:02:04 -07:00
chainntnfs chainntnfs: expand test for mempool spend notifications 2018-05-01 19:09:56 -07:00
channeldb channeldb/channel: update short chan id for fwd packager 2018-06-19 13:48:08 +01:00
cmd/lncli lncli: add closedchannels command 2018-06-13 08:48:01 +02:00
contractcourt contractcourt/channel_arbitrator: stop block epoch on channel attendant exit 2018-06-21 11:13:46 +01:00
contrib contrib: add basic bash completion for lncli 2017-01-29 18:12:53 -08:00
discovery discovery/gossiper: hold ref to block epoch stream and cancel when stopped 2018-06-13 19:20:53 -07:00
docker docker: use alpine and multistage builds in btcd, ltcd images 2018-05-18 23:48:15 -04:00
docs docs: Add starter doc on debugging lnd. 2018-06-25 16:27:58 -04:00
htlcswitch htlcswitch: update forwarding policy verification to use new time lock info 2018-06-26 17:29:42 -07:00
keychain keychain/interface_test: init test wallet w/o recovery window 2018-04-26 16:03:27 -07:00
lnpeer lnpeer: birth of peer package! 2018-06-08 13:47:57 -07:00
lnrpc lnrpc: add ClosedChannels call 2018-06-13 08:48:33 +02:00
lntest Merge pull request #1367 from halseth/waitpredicate-interval 2018-06-13 19:17:30 -07:00
lnwallet btcwallet: extend config to allow passing of an unlocked wallet 2018-06-12 19:27:56 -07:00
lnwire lnwire: ensure zlib short chan id's are sorted 2018-06-25 16:16:37 -07:00
macaroons macaroons: export db filename 2018-05-31 17:23:59 -07:00
make make/testing_flags: delete log files before running itests, print date 2018-05-09 10:02:30 +02:00
multimutex multimutex: add new multimutex package 2018-01-24 10:26:39 +01:00
nat nat: introduce new NAT traversal package with UPnP/NAT-PMP implementations 2018-06-12 18:36:27 -07:00
routing routing: fix bug in newRoute, use time lock delta of prior hop, not current 2018-06-26 17:29:42 -07:00
shachain multi: fix typos in comments 2018-04-17 19:03:27 -07:00
tor tor: add inital tor controller implementation 2018-06-04 20:41:36 -07:00
walletunlocker walletunlocker: pass unlocked wallet back to lnd to avoid double unlock 2018-06-12 19:27:57 -07:00
zpay32 zpay32: modify an invoice's r field to allow multiple routes 2018-04-20 04:01:34 -04:00
.gitignore gitignore: exclude debug binaries 2018-06-13 08:48:00 +02:00
.travis.yml test: upload integration test logs from TravisCI to file.io 2018-05-01 13:16:21 +03:00
breacharbiter_test.go multi: use mutex-guarded ShortChanID() on OpenChannel 2018-05-09 16:06:49 -07:00
breacharbiter.go multi: 64bit aligment of atomic vars on arm/x86-32 2018-06-04 20:02:34 -07:00
chainparams.go chainparams: create isTestnet function 2018-03-24 15:01:12 +05:30
chainregistry.go chainregistry: pass initialized wallet to chain control 2018-06-12 19:27:56 -07:00
chan_series.go discovery+lnd: create new chanSeries impl of the ChannelGraphTimeSeries interface 2018-05-31 16:30:55 -07:00
chancloser.go chancloser: don't log potential closes to the chainwatcher 2018-05-22 12:05:47 +02:00
config.go config: clarify documentation for NAT traversal flag 2018-06-12 18:36:24 -07:00
doc.go add some daemon related skeleton files 2015-12-26 00:09:17 -06:00
Dockerfile lnd+docker: add "Production" Docker Image 2018-05-16 18:50:25 -07:00
fundingmanager_test.go fundingmanager test: check that error is sent on timeout 2018-06-01 08:55:07 +02:00
fundingmanager.go peer: prevent processing close msg if channel is not found 2018-06-25 13:13:12 -07:00
Gopkg.lock build: include NAT traversal related dependencies 2018-06-12 18:32:48 -07:00
Gopkg.toml build: include NAT traversal related dependencies 2018-06-12 18:32:48 -07:00
invoiceregistry.go htlcswitch: face race condition in unit tests by returning invoice 2017-11-11 16:09:29 -08:00
LICENSE LICENSE: update year to 2018 2018-04-05 19:59:48 -07:00
lnd_test.go Merge pull request #1344 from halseth/lndtest-defer-shutdown 2018-06-13 15:57:17 -07:00
lnd.go lnd: use unlocked wallet from WalletUnlocker for chain control 2018-06-12 19:27:57 -07:00
log.go config: make log rotation configurable 2018-04-06 15:11:42 -07:00
logo.png README: add logo to top portion of page 2017-09-29 14:06:31 -07:00
Makefile makefile flakehunter: call $(ITEST) directly, print current time 2018-05-09 09:59:51 +02:00
mock.go multi test: make mock adhere to api change 2018-04-03 22:04:02 +02:00
nodesigner.go rpc: modify SignMessage+VerifyMessage to bind msg to LN context 2018-04-25 19:45:32 -07:00
nursery_store_test.go test: update nursery_store_test.go due to recent chain genesis renaming 2018-03-14 19:11:16 -07:00
nursery_store.go multi: fix a-vs-an typos 2018-04-17 19:02:04 -07:00
peer_test.go peer test: remove var casting 2018-02-26 22:42:27 +01:00
peer.go peer: add write timeout within writeMessage 2018-06-26 17:27:22 -07:00
pilot.go multi: ensure addresses are no longer assumed to be TCP addresses only 2018-06-04 20:41:49 -07:00
README.md lnd+docker: add "Production" Docker Image 2018-05-16 18:50:25 -07:00
release.sh release: update release script to compile commit hash into binary 2018-05-29 16:26:53 -07:00
rpcserver.go rpc: sort closed channels in order of ascending height 2018-06-14 17:14:39 -07:00
sample-lnd.conf docs: add NAT traversal related documentation 2018-06-12 18:40:13 -07:00
server_test.go server test: add !rpctest build flag 2018-04-13 12:27:01 +02:00
server.go multi: move block epochs dependency from links to switch 2018-06-13 17:41:21 -07:00
signal.go lnd: add interrupt handler to handle shutdown requests while syncing 2018-05-23 11:26:07 -04:00
test_utils.go multi: move block epochs dependency from links to switch 2018-06-13 17:41:21 -07:00
utxonursery_test.go multi: update packages due to recent SignDescriptor and WalletController changes 2018-03-06 16:04:03 -05:00
utxonursery.go utxonursery: rebroadcast finalized kinder txns on startup 2018-06-13 01:40:05 -07:00
version.go lnd+cmd/lncli: bump version to 0.4.2 2018-05-29 16:27:05 -07:00
witness_beacon.go multi: comprehensive typo fixes across all packages 2018-02-06 19:11:11 -08:00

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: Basic of Lightning Technologies. 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

Further reading