From: Arik Sosman <git@arik.io>
Date: Thu, 22 Jun 2023 22:22:40 +0000 (-0700)
Subject: Document nonzero anchors in features module.
X-Git-Tag: v0.0.116-alpha1~4^2~6
X-Git-Url: http://git.bitcoin.ninja/?a=commitdiff_plain;h=38a2186cb6091f4b041bf18c3fd0e3f714db93b7;p=rust-lightning

Document nonzero anchors in features module.
---

diff --git a/lightning/src/ln/features.rs b/lightning/src/ln/features.rs
index b769fda07..400888ff9 100644
--- a/lightning/src/ln/features.rs
+++ b/lightning/src/ln/features.rs
@@ -65,6 +65,12 @@
 //!     [BOLT-3](https://github.com/lightning/bolts/blob/master/03-transactions.md) for more
 //!     information).
 //!
+//! LDK knows about the following features, but does not support them:
+//! - `AnchorsNonzeroFeeHtlcTx` - the initial version of anchor outputs, which was later found to be
+//!     vulnerable (see this
+//!     [mailing list post](https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-September/002796.html)
+//!     for more information).
+//!
 //! [BOLT #9]: https://github.com/lightning/bolts/blob/master/09-features.md
 //! [messages]: crate::ln::msgs