From c75298e3594a0d5f0c88112fbc0543edb6212d5b Mon Sep 17 00:00:00 2001
From: Jae Kwon <jae@tendermint.com>
Date: Sun, 21 Jan 2018 18:47:18 -0800
Subject: [PATCH] Update SimpleMap to hash both keys and values for benefit;
 Hashable is Hasher; Don't assume go-wire

---
 merkle/types.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/merkle/types.go b/merkle/types.go
index 1a6d75e0c..3881f3793 100644
--- a/merkle/types.go
+++ b/merkle/types.go
@@ -21,3 +21,7 @@ type Tree interface {
 type Hasher interface {
 	Hash() []byte
 }
+
+type Byteser interface {
+	Bytes() []byte
+}