object: Switch to object ID signature in Replicate request

Previously, `ReplicateRequest` carried signature of the full object
field. Since IDs are object checksums, it's enough to sign the ID.

Signed-off-by: Leonard Lyubich <[email protected]>

Author: cthulhu-rider

object/service.proto

@@ -717,8 +717,7 @@ message ReplicateRequest {
   // Object to be replicated.
   neo.fs.v2.object.Object object = 1;
 
-  // Signature of all other request fields serialized in Protocol Buffers v3
-  // format in ascending order of fields.
+  // Signature of `object.object_id.value` field.
   neo.fs.v2.refs.Signature signature = 2;
 }
 

proto-docs/object.md

@@ -720,7 +720,7 @@ Replicate RPC request
 | Field | Type | Label | Description |
 | ----- | ---- | ----- | ----------- |
 | object | [Object](#neo.fs.v2.object.Object) |  | Object to be replicated. |
-| signature | [neo.fs.v2.refs.Signature](#neo.fs.v2.refs.Signature) |  | Signature of all other request fields serialized in Protocol Buffers v3 format in ascending order of fields. |
+| signature | [neo.fs.v2.refs.Signature](#neo.fs.v2.refs.Signature) |  | Signature of `object.object_id.value` field. |
 
 
 <a name="neo.fs.v2.object.ReplicateResponse"></a>