From: Wilmer Paulino <wilmer@wilmerpaulino.com>
Date: Mon, 17 Jul 2023 21:47:10 +0000 (-0700)
Subject: Add warning regarding remote fee estimators
X-Git-Tag: v0.0.116~6^2
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=c7d84d8ac87d581179a2e0073aee2299a397842d;p=rust-lightning

Add warning regarding remote fee estimators
---

diff --git a/lightning/src/chain/chaininterface.rs b/lightning/src/chain/chaininterface.rs
index 54cd33812..6aed834c1 100644
--- a/lightning/src/chain/chaininterface.rs
+++ b/lightning/src/chain/chaininterface.rs
@@ -59,6 +59,11 @@ pub enum ConfirmationTarget {
 /// A trait which should be implemented to provide feerate information on a number of time
 /// horizons.
 ///
+/// If access to a local mempool is not feasible, feerate estimates should be fetched from a set of
+/// third-parties hosting them. Note that this enables them to affect the propagation of your
+/// pre-signed transactions at any time and therefore endangers the safety of channels funds. It
+/// should be considered carefully as a deployment.
+///
 /// Note that all of the functions implemented here *must* be reentrant-safe (obviously - they're
 /// called from inside the library in response to chain events, P2P events, or timer events).
 pub trait FeeEstimator {