From 4b58a254c57cde70aa9a9b5a19e78e0f97c875e3 Mon Sep 17 00:00:00 2001
From: Andrew Poelstra <apoelstra@wpsoftware.net>
Date: Fri, 8 Jan 2021 23:21:55 +0000
Subject: [PATCH] encode: add some more generic impls (more tuples, references)

---
 src/consensus/encode.rs | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/src/consensus/encode.rs b/src/consensus/encode.rs
index 20ca31ec..d422cd65 100644
--- a/src/consensus/encode.rs
+++ b/src/consensus/encode.rs
@@ -679,6 +679,31 @@ impl Decodable for CheckedData {
     }
 }
 
+// References
+impl<'a, T: Encodable> Encodable for &'a T {
+    fn consensus_encode<S: io::Write>(&self, s: S) -> Result<usize, Error> {
+        (&**self).consensus_encode(s)
+    }
+}
+
+impl<'a, T: Encodable> Encodable for &'a mut T {
+    fn consensus_encode<S: io::Write>(&self, s: S) -> Result<usize, Error> {
+        (&**self).consensus_encode(s)
+    }
+}
+
+impl<T: Encodable> Encodable for ::std::rc::Rc<T> {
+    fn consensus_encode<S: io::Write>(&self, s: S) -> Result<usize, Error> {
+        (&**self).consensus_encode(s)
+    }
+}
+
+impl<T: Encodable> Encodable for ::std::sync::Arc<T> {
+    fn consensus_encode<S: io::Write>(&self, s: S) -> Result<usize, Error> {
+        (&**self).consensus_encode(s)
+    }
+}
+
 // Tuples
 macro_rules! tuple_encode {
     ($($x:ident),*) => (
@@ -707,8 +732,11 @@ macro_rules! tuple_encode {
 }
 
 tuple_encode!(T0, T1);
+tuple_encode!(T0, T1, T2);
 tuple_encode!(T0, T1, T2, T3);
+tuple_encode!(T0, T1, T2, T3, T4);
 tuple_encode!(T0, T1, T2, T3, T4, T5);
+tuple_encode!(T0, T1, T2, T3, T4, T5, T6);
 tuple_encode!(T0, T1, T2, T3, T4, T5, T6, T7);
 
 impl Encodable for sha256d::Hash {