X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Futil%2Fser.rs;h=b5d424efa3451b6d230c313b664385c0183445fe;hb=4b8b17d72f9928220f44820247027ec497e79062;hp=7c4ba7fd50f99888745a6944971c10f3f00f77a9;hpb=593d8c4610f082441563d4906d64175a354b1cfc;p=rust-lightning

diff --git a/lightning/src/util/ser.rs b/lightning/src/util/ser.rs
index 7c4ba7fd..b5d424ef 100644
--- a/lightning/src/util/ser.rs
+++ b/lightning/src/util/ser.rs
@@ -11,7 +11,7 @@
 //! as ChannelsManagers and ChannelMonitors.
 
 use crate::prelude::*;
-use crate::io::{self, Read, Write};
+use crate::io::{self, Read, Seek, Write};
 use crate::io_extras::{copy, sink};
 use core::hash::Hash;
 use crate::sync::Mutex;
@@ -219,6 +219,13 @@ pub trait Readable
 	fn read<R: Read>(reader: &mut R) -> Result<Self, DecodeError>;
 }
 
+/// A trait that various rust-lightning types implement allowing them to be read in from a
+/// `Read + Seek`.
+pub(crate) trait SeekReadable where Self: Sized {
+	/// Reads a Self in from the given Read
+	fn read<R: Read + Seek>(reader: &mut R) -> Result<Self, DecodeError>;
+}
+
 /// A trait that various higher-level rust-lightning types implement allowing them to be read in
 /// from a Read given some additional set of arguments which is required to deserialize.
 ///
@@ -425,6 +432,7 @@ macro_rules! impl_writeable_primitive {
 	}
 }
 
+impl_writeable_primitive!(u128, 16);
 impl_writeable_primitive!(u64, 8);
 impl_writeable_primitive!(u32, 4);
 impl_writeable_primitive!(u16, 2);