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Merge pull request #1514 from mattfaltyn/issue438

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Matt Corallo 2022-06-13 04:19:02 -07:00 • committed by GitHub
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lightning/src/ln/features.rs
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@ -19,6 +19,35 @@
//! supports a feature if it advertises the feature (as either required or optional) to its peers.
//! And the implementation can interpret a feature if the feature is known to it.
//!
//! The following features are currently required in the LDK:
//! - `VariableLengthOnion` - requires/supports variable-length routing onion payloads
//! (see [BOLT-4](https://github.com/lightning/bolts/blob/master/04-onion-routing.md) for more information).
//! - `StaticRemoteKey` - requires/supports static key for remote output
//! (see [BOLT-3](https://github.com/lightning/bolts/blob/master/03-transactions.md) for more information).
//!
//! The following features are currently supported in the LDK:
//! - `DataLossProtect` - requires/supports that a node which has somehow fallen behind, e.g., has been restored from an old backup,
//! can detect that it has fallen behind
//! (see [BOLT-2](https://github.com/lightning/bolts/blob/master/02-peer-protocol.md) for more information).
//! - `InitialRoutingSync` - requires/supports that the sending node needs a complete routing information dump
//! (see [BOLT-7](https://github.com/lightning/bolts/blob/master/07-routing-gossip.md#initial-sync) for more information).
//! - `UpfrontShutdownScript` - commits to a shutdown scriptpubkey when opening a channel
//! (see [BOLT-2](https://github.com/lightning/bolts/blob/master/02-peer-protocol.md#the-open_channel-message) for more information).
//! - `GossipQueries` - requires/supports more sophisticated gossip control
//! (see [BOLT-7](https://github.com/lightning/bolts/blob/master/07-routing-gossip.md) for more information).
//! - `PaymentSecret` - requires/supports that a node supports payment_secret field
//! (see [BOLT-4](https://github.com/lightning/bolts/blob/master/04-onion-routing.md) for more information).
//! - `BasicMPP` - requires/supports that a node can receive basic multi-part payments
//! (see [BOLT-4](https://github.com/lightning/bolts/blob/master/04-onion-routing.md#basic-multi-part-payments) for more information).
//! - `ShutdownAnySegwit` - requires/supports that future segwit versions are allowed in `shutdown`
//! (see [BOLT-2](https://github.com/lightning/bolts/blob/master/02-peer-protocol.md) for more information).
//! - `ChannelType` - node supports the channel_type field in open/accept
//! (see [BOLT-2](https://github.com/lightning/bolts/blob/master/02-peer-protocol.md) for more information).
//! - `SCIDPrivacy` - supply channel aliases for routing
//! (see [BOLT-2](https://github.com/lightning/bolts/blob/master/02-peer-protocol.md) for more information).
//! - `Keysend` - send funds to a node without an invoice
//! (see the [`Keysend` feature assignment proposal](https://github.com/lightning/bolts/issues/605#issuecomment-606679798) for more information).
//!
//! [BOLT #9]: https://github.com/lightning/bolts/blob/master/09-features.md
//! [messages]: crate::ln::msgs