Improve routing-related documentation

[rust-lightning] / lightning / src / util / events.rs

diff --git a/lightning/src/util/events.rs b/lightning/src/util/events.rs
index ca6355af001e5eb7d05a96a7ffa22548c9340d87..82c215a2697692b453e50581edcedf572faf5d32 100644 (file)
--- a/lightning/src/util/events.rs
+++ b/lightning/src/util/events.rs
@@ -13,7 +13,7 @@ use util::ser::{Writeable, Writer, MaybeReadable, Readable};
 
 use bitcoin::blockdata::script::Script;
 
-use secp256k1::key::PublicKey;
+use bitcoin::secp256k1::key::PublicKey;
 
 use std::time::Duration;
 
@@ -51,8 +51,9 @@ pub enum Event {
        },
        /// Indicates we've received money! Just gotta dig out that payment preimage and feed it to
        /// ChannelManager::claim_funds to get it....
-       /// Note that if the preimage is not known or the amount paid is incorrect, you must call
-       /// ChannelManager::fail_htlc_backwards to free up resources for this HTLC.
+       /// Note that if the preimage is not known or the amount paid is incorrect, you should call
+       /// ChannelManager::fail_htlc_backwards to free up resources for this HTLC and avoid
+       /// network congestion.
        /// The amount paid should be considered 'incorrect' when it is less than or more than twice
        /// the amount expected.
        /// If you fail to call either ChannelManager::claim_funds or
@@ -331,9 +332,9 @@ pub enum MessageSendEvent {
                action: msgs::ErrorAction
        },
        /// When a payment fails we may receive updates back from the hop where it failed. In such
-       /// cases this event is generated so that we can inform the router of this information.
+       /// cases this event is generated so that we can inform the network graph of this information.
        PaymentFailureNetworkUpdate {
-               /// The channel/node update which should be sent to router
+               /// The channel/node update which should be sent to NetGraphMsgHandler
                update: msgs::HTLCFailChannelUpdate,
        }
 }