X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Futil%2Fenforcing_trait_impls.rs;h=baa9e7cd16d98b05be00abcf5d7ebc46a75cbbf8;hb=efa579bc61eafaae509657e57c6442c0c9229915;hp=32c17af64dd877efcd8c07a7698e0049bdc739bd;hpb=3a0356fe308ba29916d00f3376cd57ce6613f3d0;p=rust-lightning

diff --git a/lightning/src/util/enforcing_trait_impls.rs b/lightning/src/util/enforcing_trait_impls.rs
index 32c17af6..baa9e7cd 100644
--- a/lightning/src/util/enforcing_trait_impls.rs
+++ b/lightning/src/util/enforcing_trait_impls.rs
@@ -11,8 +11,10 @@ use ln::chan_utils::{HTLCOutputInCommitment, ChannelPublicKeys, HolderCommitment
 use ln::{chan_utils, msgs};
 use chain::keysinterface::{Sign, InMemorySigner, BaseSign};
 
+use io;
+use prelude::*;
 use core::cmp;
-use std::sync::{Mutex, Arc};
+use sync::{Mutex, Arc};
 
 use bitcoin::blockdata::transaction::{Transaction, SigHashType};
 use bitcoin::util::bip143;
@@ -21,7 +23,7 @@ use bitcoin::secp256k1;
 use bitcoin::secp256k1::key::{SecretKey, PublicKey};
 use bitcoin::secp256k1::{Secp256k1, Signature};
 use util::ser::{Writeable, Writer, Readable};
-use std::io::Error;
+use io::Error;
 use ln::msgs::DecodeError;
 
 /// Initial value for revoked commitment downward counter
@@ -38,6 +40,9 @@ 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,
@@ -177,7 +182,7 @@ impl Writeable for EnforcingSigner {
 }
 
 impl Readable for EnforcingSigner {
-	fn read<R: ::std::io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
+	fn read<R: io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
 		let inner = Readable::read(reader)?;
 		let last_commitment_number = Readable::read(reader)?;
 		Ok(EnforcingSigner {