Expose VecWriter outside of util::ser since peer_handler uses it

Author: TheBlueMatt

lightning/src/ln/peer_handler.rs

@@ -12,7 +12,7 @@ use ln::features::InitFeatures;
 use ln::msgs;
 use ln::msgs::ChannelMessageHandler;
 use ln::channelmanager::{SimpleArcChannelManager, SimpleRefChannelManager};
-use util::ser::{Writeable, Writer, Readable};
+use util::ser::{Writeable, Readable, VecWriter};
 use ln::peer_channel_encryptor::{PeerChannelEncryptor,NextNoiseStep};
 use util::byte_utils;
 use util::events::{MessageSendEvent, MessageSendEventsProvider};
@@ -191,17 +191,6 @@ pub struct PeerManager<Descriptor: SocketDescriptor, CM: Deref> where CM::Target
 	logger: Arc<Logger>,
 }
 
-struct VecWriter(Vec<u8>);
-impl Writer for VecWriter {
-	fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
-		self.0.extend_from_slice(buf);
-		Ok(())
-	}
-	fn size_hint(&mut self, size: usize) {
-		self.0.reserve_exact(size);
-	}
-}
-
 macro_rules! encode_msg {
 	($msg: expr, $msg_code: expr) => {{
 		let mut msg = VecWriter(Vec::new());

lightning/src/util/ser.rs

@@ -57,7 +57,7 @@ impl<'a, W: Writer + 'a> Write for WriterWriteAdaptor<'a, W> {
 	}
 }
 
-struct VecWriter(Vec<u8>);
+pub(crate) struct VecWriter(pub Vec<u8>);
 impl Writer for VecWriter {
 	fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
 		self.0.extend_from_slice(buf);