From 057d53459b6e060faa936e34d30d091fff6eebd5 Mon Sep 17 00:00:00 2001
From: Evgenii Stratonikov <evgeniy@nspcc.ru>
Date: Thu, 28 Apr 2022 10:19:26 +0300
Subject: [PATCH] [#1319] services/object: Remove `Write` method from `local`
 and `remote` targets

They work with prepared objects only.

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
---
 pkg/services/object/put/distributed.go |  7 ++++++-
 pkg/services/object/put/local.go       | 10 ----------
 pkg/services/object/put/remote.go      |  2 --
 pkg/services/object/put/streamer.go    |  2 +-
 4 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/pkg/services/object/put/distributed.go b/pkg/services/object/put/distributed.go
index 9580cb273f..6f5933c297 100644
--- a/pkg/services/object/put/distributed.go
+++ b/pkg/services/object/put/distributed.go
@@ -15,6 +15,11 @@ import (
 	"go.uber.org/zap"
 )
 
+type preparedObjectTarget interface {
+	WriteHeader(*objectSDK.Object) error
+	Close() (*transformer.AccessIdentifiers, error)
+}
+
 type distributedTarget struct {
 	traversal traversal
 
@@ -24,7 +29,7 @@ type distributedTarget struct {
 
 	payload []byte
 
-	nodeTargetInitializer func(nodeDesc) transformer.ObjectTarget
+	nodeTargetInitializer func(nodeDesc) preparedObjectTarget
 
 	isLocalKey func([]byte) bool
 
diff --git a/pkg/services/object/put/local.go b/pkg/services/object/put/local.go
index b4f04e6265..bff5aa388e 100644
--- a/pkg/services/object/put/local.go
+++ b/pkg/services/object/put/local.go
@@ -19,24 +19,14 @@ type localTarget struct {
 	storage ObjectStorage
 
 	obj *object.Object
-
-	payload []byte
 }
 
 func (t *localTarget) WriteHeader(obj *object.Object) error {
 	t.obj = obj
 
-	t.payload = make([]byte, 0, obj.PayloadSize())
-
 	return nil
 }
 
-func (t *localTarget) Write(p []byte) (n int, err error) {
-	t.payload = append(t.payload, p...)
-
-	return len(p), nil
-}
-
 func (t *localTarget) Close() (*transformer.AccessIdentifiers, error) {
 	if err := t.storage.Put(t.obj); err != nil {
 		return nil, fmt.Errorf("(%T) could not put object to local storage: %w", t, err)
diff --git a/pkg/services/object/put/remote.go b/pkg/services/object/put/remote.go
index 0d4ff40f52..1a9d964da9 100644
--- a/pkg/services/object/put/remote.go
+++ b/pkg/services/object/put/remote.go
@@ -13,8 +13,6 @@ import (
 )
 
 type remoteTarget struct {
-	transformer.ObjectTarget
-
 	ctx context.Context
 
 	keyStorage *util.KeyStorage
diff --git a/pkg/services/object/put/streamer.go b/pkg/services/object/put/streamer.go
index 0b6764dbe9..fbef13616f 100644
--- a/pkg/services/object/put/streamer.go
+++ b/pkg/services/object/put/streamer.go
@@ -184,7 +184,7 @@ func (p *Streamer) newCommonTarget(prm *PutInitPrm) transformer.ObjectTarget {
 		},
 		remotePool: p.remotePool,
 		localPool:  p.localPool,
-		nodeTargetInitializer: func(node nodeDesc) transformer.ObjectTarget {
+		nodeTargetInitializer: func(node nodeDesc) preparedObjectTarget {
 			if node.local {
 				return &localTarget{
 					storage: p.localStore,