Add version and TLV suffix for more user-facing "major" structs

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

diff --git a/lightning/src/util/enforcing_trait_impls.rs b/lightning/src/util/enforcing_trait_impls.rs
index c2908836c8078b311c16c3ae4690fe36ac361ab7..55e45d309454dd286a8b357a65dbd61b9fccfe9c 100644 (file)
--- a/lightning/src/util/enforcing_trait_impls.rs
+++ b/lightning/src/util/enforcing_trait_impls.rs
@@ -11,7 +11,7 @@ use ln::chan_utils::{HTLCOutputInCommitment, ChannelPublicKeys, HolderCommitment
 use ln::{chan_utils, msgs};
 use chain::keysinterface::{Sign, InMemorySigner, BaseSign};
 
-use std::cmp;
+use core::cmp;
 use std::sync::{Mutex, Arc};
 
 use bitcoin::blockdata::transaction::{Transaction, SigHashType};
@@ -38,6 +38,9 @@ pub const INITIAL_REVOKED_COMMITMENT_NUMBER: u64 = 1 << 48;
 ///
 /// Eventually we will probably want to expose a variant of this which would essentially
 /// be what you'd want to run on a hardware wallet.
+///
+/// Note that before we do so we should ensure its serialization format has backwards- and
+/// forwards-compatibility prefix/suffixes!
 #[derive(Clone)]
 pub struct EnforcingSigner {
        pub inner: InMemorySigner,