From 1775be1cd93549a48bc3453adb4cfb96fa8d1c60 Mon Sep 17 00:00:00 2001
From: Ethan Buchman <ethan@coinculture.info>
Date: Thu, 5 Oct 2017 22:19:48 -0400
Subject: [PATCH] remove some assertXxx funcs

---
 keys/cryptostore/holder.go       | 11 +----------
 keys/storage/filestorage/main.go |  6 +-----
 keys/storage/memstorage/main.go  |  6 +-----
 3 files changed, 3 insertions(+), 20 deletions(-)

diff --git a/keys/cryptostore/holder.go b/keys/cryptostore/holder.go
index f4d82583..44332f17 100644
--- a/keys/cryptostore/holder.go
+++ b/keys/cryptostore/holder.go
@@ -24,19 +24,10 @@ func New(coder Encoder, store keys.Storage, codec keys.Codec) Manager {
 	}
 }
 
+// assert Manager satisfies keys.Signer and keys.Manager interfaces
 var _ keys.Signer = Manager{}
 var _ keys.Manager = Manager{}
 
-// exists just to make sure we fulfill the Signer interface
-func (s Manager) assertSigner() keys.Signer {
-	return s
-}
-
-// exists just to make sure we fulfill the Manager interface
-func (s Manager) assertKeyManager() keys.Manager {
-	return s
-}
-
 // Create adds a new key to the storage engine, returning error if
 // another key already stored under this name
 //
diff --git a/keys/storage/filestorage/main.go b/keys/storage/filestorage/main.go
index e33ca500..bed80efb 100644
--- a/keys/storage/filestorage/main.go
+++ b/keys/storage/filestorage/main.go
@@ -42,13 +42,9 @@ func New(dir string) FileStore {
 	return FileStore{dir}
 }
 
+// assert FileStore satisfies keys.Storage
 var _ keys.Storage = FileStore{}
 
-// assertStorage just makes sure we implement the proper Storage interface
-func (s FileStore) assertStorage() keys.Storage {
-	return s
-}
-
 // Put creates two files, one with the public info as json, the other
 // with the (encoded) private key as gpg ascii-armor style
 func (s FileStore) Put(name string, key []byte, info keys.Info) error {
diff --git a/keys/storage/memstorage/main.go b/keys/storage/memstorage/main.go
index 6464b130..a988fe0f 100644
--- a/keys/storage/memstorage/main.go
+++ b/keys/storage/memstorage/main.go
@@ -22,13 +22,9 @@ func New() MemStore {
 	return MemStore{}
 }
 
+// assert MemStore satisfies keys.Storage
 var _ keys.Storage = MemStore{}
 
-// assertStorage just makes sure we implement the Storage interface
-func (s MemStore) assertStorage() keys.Storage {
-	return s
-}
-
 // Put adds the given key, returns an error if it another key
 // is already stored under this name
 func (s MemStore) Put(name string, key []byte, info keys.Info) error {