From befdb46dc32989d21deb8b50693dd6b579ed48d5 Mon Sep 17 00:00:00 2001
From: Henry de Valence <hdevalence@hdevalence.ca>
Date: Fri, 7 Feb 2020 22:08:38 -0800
Subject: [PATCH] Clean some warnings in the Bitcoin codec.

This doesn't clean the warnings about unused items in the builder, since
those are unused for a reason (the implementation that should use them
is missing).
---
 zebra-network/src/protocol/external/codec.rs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/zebra-network/src/protocol/external/codec.rs b/zebra-network/src/protocol/external/codec.rs
index e18417c3..7929714c 100644
--- a/zebra-network/src/protocol/external/codec.rs
+++ b/zebra-network/src/protocol/external/codec.rs
@@ -452,7 +452,7 @@ impl Codec {
         Ok(Message::GetAddr)
     }
 
-    fn read_block<R: Read>(&self, mut reader: R) -> Result<Message, Error> {
+    fn read_block<R: Read>(&self, reader: R) -> Result<Message, Error> {
         Ok(Message::Block(Box::new(Block::zcash_deserialize(reader)?)))
     }
 
@@ -493,7 +493,7 @@ impl Codec {
         Ok(Message::NotFound(Vec::zcash_deserialize(reader)?))
     }
 
-    fn read_tx<R: Read>(&self, mut rdr: R) -> Result<Message, Error> {
+    fn read_tx<R: Read>(&self, rdr: R) -> Result<Message, Error> {
         Ok(Message::Tx(Box::new(Transaction::zcash_deserialize(rdr)?)))
     }
 
@@ -571,7 +571,6 @@ mod tests {
             relay: true,
         };
 
-        use tokio::prelude::*;
         use tokio_util::codec::{FramedRead, FramedWrite};
         let v_bytes = rt.block_on(async {
             let mut bytes = Vec::new();
@@ -606,7 +605,6 @@ mod tests {
             flags: 0,
         };
 
-        use tokio::prelude::*;
         use tokio_util::codec::{FramedRead, FramedWrite};
         let v_bytes = rt.block_on(async {
             let mut bytes = Vec::new();
@@ -641,7 +639,6 @@ mod tests {
             flags: 0,
         };
 
-        use tokio::prelude::*;
         use tokio_util::codec::{FramedRead, FramedWrite};
         let v_bytes = rt.block_on(async {
             let mut bytes = Vec::new();