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92 lines
4.8 KiB
Markdown
92 lines
4.8 KiB
Markdown
## Lightning Network Daemon
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[](https://travis-ci.org/lightningnetwork/lnd)
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[](https://github.com/lightningnetwork/lnd/blob/master/LICENSE)
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[](https://webchat.freenode.net/?channels=lnd)
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[](https://godoc.org/github.com/lightningnetwork/lnd)
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<img src="logo.png">
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The Lightning Network Daemon (`lnd`) - is a complete implementation of a
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[Lightning Network](https://lightning.network) node and currently deployed on
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`testnet3` - the Bitcoin Test Network. `lnd` has several pluggable back-end
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chain services including [`btcd`](https://github.com/btcsuite/btcd) (a
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full-node), [`bitcoind`](https://github.com/bitcoin/bitcoin), and
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[`neutrino`](https://github.com/lightninglabs/neutrino) (a new experimental light client). The project's codebase uses the
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[btcsuite](https://github.com/btcsuite/) set of Bitcoin libraries, and also
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exports a large set of isolated re-usable Lightning Network related libraries
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within it. In the current state `lnd` is capable of:
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* Creating channels.
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* Closing channels.
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* Completely managing all channel states (including the exceptional ones!).
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* Maintaining a fully authenticated+validated channel graph.
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* Performing path finding within the network, passively forwarding incoming payments.
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* Sending outgoing [onion-encrypted payments](https://github.com/lightningnetwork/lightning-onion)
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through the network.
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* Updating advertised fee schedules.
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* Automatic channel management ([`autopilot`](https://github.com/lightningnetwork/lnd/tree/master/autopilot)).
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## Lightning Network Specification Compliance
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`lnd` _fully_ conforms to the [Lightning Network specification
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(BOLTs)](https://github.com/lightningnetwork/lightning-rfc). BOLT stands for:
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Basis of Lightning Technology. The specifications are currently being drafted
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by several groups of implementers based around the world including the
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developers of `lnd`. The set of specification documents as well as our
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implementation of the specification are still a work-in-progress. With that
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said, the current status of `lnd`'s BOLT compliance is:
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- [X] BOLT 1: Base Protocol
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- [X] BOLT 2: Peer Protocol for Channel Management
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- [X] BOLT 3: Bitcoin Transaction and Script Formats
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- [X] BOLT 4: Onion Routing Protocol
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- [X] BOLT 5: Recommendations for On-chain Transaction Handling
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- [X] BOLT 7: P2P Node and Channel Discovery
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- [X] BOLT 8: Encrypted and Authenticated Transport
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- [X] BOLT 9: Assigned Feature Flags
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- [X] BOLT 10: DNS Bootstrap and Assisted Node Location
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- [X] BOLT 11: Invoice Protocol for Lightning Payments
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## Developer Resources
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The daemon has been designed to be as developer friendly as possible in order
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to facilitate application development on top of `lnd`. Two primary RPC
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interfaces are exported: an HTTP REST API, and a [gRPC](https://grpc.io/)
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service. The exported API's are not yet stable, so be warned: they may change
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drastically in the near future.
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An automatically generated set of documentation for the RPC APIs can be found
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at [api.lightning.community](https://api.lightning.community). A set of developer
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resources including talks, articles, and example applications can be found at:
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[dev.lightning.community](https://dev.lightning.community).
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Finally, we also have an active
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[Slack](https://join.slack.com/t/lightningcommunity/shared_invite/enQtMzQ0OTQyNjE5NjU1LWRiMGNmOTZiNzU0MTVmYzc1ZGFkZTUyNzUwOGJjMjYwNWRkNWQzZWE3MTkwZjdjZGE5ZGNiNGVkMzI2MDU4ZTE) where protocol developers, application developers, testers and users gather to
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discuss various aspects of `lnd` and also Lightning in general.
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## Installation
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In order to build from source, please see [the installation
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instructions](docs/INSTALL.md).
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## Docker
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To run lnd from Docker, please see the main [Docker instructions](docs/DOCKER.md)
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## IRC
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* irc.freenode.net
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* channel #lnd
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* [webchat](https://webchat.freenode.net/?channels=lnd)
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## Security
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The developers of `lnd` take security _very_ seriously. The disclosure of
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security vulnerabilities helps us secure the health of `lnd`, privacy of our
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users, and also the health of the Lightning Network as a whole. If you find
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any issues regarding security or privacy, please disclose the information
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responsibly by sending an email to security at lightning dot engineering,
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preferably [encrypted using our designated PGP key
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(`91FE464CD75101DA6B6BAB60555C6465E5BCB3AF`) which can be found
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here](https://pgp.mit.edu/pks/lookup?op=vindex&search=0x555C6465E5BCB3AF).
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## Further reading
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* [Step-by-step send payment guide with docker](https://github.com/lightningnetwork/lnd/tree/master/docker)
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* [Contribution guide](https://github.com/lightningnetwork/lnd/blob/master/docs/code_contribution_guidelines.md)
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