[#45] Fix linter errors

- Changed package names adding version
- Added documentation descriptions (sometimes useless) for all fields
- Changed enum format
- Made SessionToken and BearerToken field names more clear

Signed-off-by: Stanislav Bogatyrev <stanislav@nspcc.ru>

service/meta.proto

@@ -1,17 +1,19 @@
 syntax = "proto3";
 
-package service;
+package neo.fs.v2.service;
 
-option go_package = "github.com/nspcc-dev/neofs-api-go/service";
-option csharp_namespace = "NeoFS.API.Service";
+option go_package = "github.com/nspcc-dev/neofs-api-go/v2/service;service";
+option csharp_namespace = "NeoFS.API.v2.Service";
 
 import "acl/types.proto";
 import "refs/types.proto";
 import "service/verify.proto";
 
+// Extended headers for Request/Response
 message XHeader {
   // Key of the X-Header.
   string key = 1;
+
   // Value of the X-Header.
   string value = 2;
 }
@@ -20,6 +22,7 @@ message XHeader {
 message Version {
   // Major API version.
   uint32 major = 1;
+
   // Minor API version.
   uint32 minor = 2;
 }
@@ -28,50 +31,67 @@ message Version {
 message TokenLifetime {
   // Expiration Epoch
   uint64 exp = 1;
+
   // Not valid before Epoch
   uint64 nbf = 2;
+
   // Issued at Epoch
   uint64 iat = 3;
 }
 
 // NeoFS session token.
 message SessionToken {
+  // Session token body
   message Body {
     // ID is a token identifier. valid UUIDv4 represented in bytes
     bytes id = 1;
+
     // OwnerID carries identifier of the session initiator.
-    refs.OwnerID owner_id = 2;
+    neo.fs.v2.refs.OwnerID owner_id = 2;
+
     // Verb is an enumeration of session request types
     enum Verb {
+      // Unknown verb
+      VERB_UNSPECIFIED = 0;
+
       // Refers to object.Put RPC call
-      OBJECT_PUT = 0;
+      OBJECT_PUT = 1;
+
       // Refers to object.Get RPC call
-      OBJECT_GET = 1;
+      OBJECT_GET = 2;
+
       // Refers to object.Head RPC call
-      OBJECT_HEAD = 2;
+      OBJECT_HEAD = 3;
+
       // Refers to object.Search RPC call
-      OBJECT_SEARCH = 3;
+      OBJECT_SEARCH = 4;
+
       // Refers to object.Delete RPC call
-      OBJECT_DELETE = 4;
+      OBJECT_DELETE = 5;
+
       // Refers to object.GetRange RPC call
-      OBJECT_RANGE = 5;
+      OBJECT_RANGE = 6;
+
       // Refers to object.GetRangeHash RPC call
-      OBJECT_RANGEHASH = 6;
+      OBJECT_RANGEHASH = 7;
     }
     // Verb is a type of request for which the token is issued
     Verb verb = 3;
+
     // Lifetime is a lifetime of the session
     TokenLifetime lifetime = 4;
+
     // SessionKey is a public key of session key
     bytes session_key = 5;
+
     // Carries context of the session.
     oneof context {
       // object_address represents the object session context.
-      refs.Address object_address = 6;
+      neo.fs.v2.refs.Address object_address = 6;
     }
   }
   // Session Token body
-  Body token = 1;
+  Body body = 1;
 
   // Signature is a signature of session token information
   Signature signature = 2;
@@ -79,16 +99,19 @@ message SessionToken {
 
 // BearerToken has information about request ACL rules with limited lifetime
 message BearerToken {
+  // Bearer Token body
   message Body {
     // EACLTable carries table of extended ACL rules
-    acl.EACLTable eacl_table = 1;
+    neo.fs.v2.acl.EACLTable eacl_table = 1;
+
     // OwnerID carries identifier of the token owner
-    refs.OwnerID owner_id = 2;
+    neo.fs.v2.refs.OwnerID owner_id = 2;
+
     // Token expiration and valid time period parameters
     TokenLifetime lifetime = 3;
   }
   // Bearer Token body
-  Body token = 1;
+  Body body = 1;
 
   // Signature of BearerToken body
   Signature signature = 2;
@@ -98,16 +121,21 @@ message BearerToken {
 message RequestMetaHeader {
   // Client API version.
   Version version = 1;
+
   // Client local epoch number. Set to 0 if unknown.
   uint64 epoch = 2;
+
   // Maximum number of nodes in the request route.
   uint32 ttl = 3;
+
   // Request X-Headers.
   repeated XHeader x_headers = 4;
+
   // Token is a token of the session within which the request is sent
-  SessionToken token = 5;
+  SessionToken session_token = 5;
+
   // Bearer is a Bearer token of the request
-  BearerToken bearer = 6;
+  BearerToken bearer_token = 6;
 
   // RequestMetaHeader of the origin request.
   RequestMetaHeader origin = 7;
@@ -117,10 +145,13 @@ message RequestMetaHeader {
 message ResponseMetaHeader {
   // Server API version.
   Version version = 1;
+
   // Server local epoch number.
   uint64 epoch = 2;
+
   // Maximum number of nodes in the response route.
   uint32 ttl = 3;
+
   // Response X-Headers.
   repeated XHeader x_headers = 4;
 

service/verify.proto

@@ -1,9 +1,9 @@
 syntax = "proto3";
 
-package service;
+package neo.fs.v2.service;
 
-option go_package = "github.com/nspcc-dev/neofs-api-go/service";
-option csharp_namespace = "NeoFS.API.Service";
+option go_package = "github.com/nspcc-dev/neofs-api-go/v2/service;service";
+option csharp_namespace = "NeoFS.API.v2.Service";
 
 import "acl/types.proto";
 import "refs/types.proto";