[#32] Rename fields according to Protobuf Style Guide

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

accounting/service.proto

@@ -5,8 +5,6 @@ package accounting;
 option go_package = "github.com/nspcc-dev/neofs-api-go/accounting";
 option csharp_namespace = "NeoFS.API.Accounting";
 
-import "service/meta.proto";
-import "service/verify.proto";
 import "refs/types.proto";
 
 // The service provides methods for obtaining information
@@ -18,22 +16,22 @@ service Accounting {
 
 // Message defines the request body of Balance method.
 //
-// To indicate the account for which the balance is requested, its identifier is used.
+// To indicate the account for which the balance is requested, it's identifier is used.
 //
 // To gain access to the requested information, the request body must be formed according
 // to the requirements from the system specification.
 message BalanceRequest {
     // Carries user identifier in NeoFS system for which the balance is requested.
-    refs.OwnerID OwnerID = 1;
+    refs.OwnerID owner_id = 1;
 }
 
 // Decimal represents the decimal numbers.
 message Decimal {
-    // Value carries number value.
+    // value carries number value.
-    int64 Value = 1;
+    int64 value = 1;
 
-    // Precision carries value precision.
+    // precision carries value precision.
-    uint32 Precision = 2;
+    uint32 precision = 2;
 }
 
 // Message defines the response body of Balance method.
@@ -41,5 +39,5 @@ message Decimal {
 // The amount of funds is calculated in decimal numbers.
 message BalanceResponse {
     // Carries the amount of funds on the account.
-    Decimal Balance = 1;
+    Decimal balance = 1;
 }

acl/types.proto

@@ -10,17 +10,17 @@ import "refs/types.proto";
 // Target of the access control rule in access control list.
 enum Target {
     // Unknown target, default value.
-    Unknown = 0;
+    UNKNOWN = 0;
 
     // User target rule is applied if sender is the owner of the container.
-    User = 1;
+    USER = 1;
 
     // System target rule is applied if sender is the storage node within the
     // container or inner ring node.
-    System = 2;
+    SYSTEM = 2;
 
     // Others target rule is applied if sender is not user or system target.
-    Others = 3;
+    OTHERS = 3;
 }
 
 // EACLRecord groups information about extended ACL rule.
@@ -42,9 +42,9 @@ message EACLRecord {
 
     // Action is an enumeration of EACL actions.
     enum Action {
-        ActionUnknown = 0;
+        ACTION_UNKNOWN = 0;
-        Allow = 1;
+        ALLOW = 1;
-        Deny = 2;
+        DENY = 2;
     }
 
     // Action carries ACL target action.
@@ -54,10 +54,10 @@ message EACLRecord {
     message FilterInfo {
         // Header is an enumeration of filtering header types.
         enum Header {
-            HeaderUnknown = 0;
+            HEADER_UNKNOWN = 0;
-            Request = 1;
+            REQUEST = 1;
-            ObjectSystem = 2;
+            OBJECT_SYSTEM = 2;
-            ObjectUser = 3;
+            OBJECT_USER = 3;
         }
 
         // Header carries type of header.
@@ -65,42 +65,42 @@ message EACLRecord {
 
         // MatchType is an enumeration of match types.
         enum MatchType {
-            MatchUnknown = 0;
+            MATCH_UNKNOWN = 0;
-            StringEqual = 1;
+            STRING_EQUAL = 1;
-            StringNotEqual = 2;
+            STRING_NOT_EQUAL = 2;
         }
 
         // MatchType carries type of match.
-        MatchType matchType = 2 [json_name = "MatchType"];
+        MatchType match_type = 2 [json_name = "MatchType"];
 
-        // HeaderName carries name of filtering header.
+        // header_name carries name of filtering header.
-        string HeaderName = 3 [json_name="Name"];
+        string header_name = 3 [json_name="Name"];
 
-        // HeaderVal carries value of filtering header.
+        // header_val carries value of filtering header.
-        string HeaderVal = 4 [json_name="Value"];
+        string header_val = 4 [json_name="Value"];
     }
 
-    // Filters carries set of filters.
+    // filters carries set of filters.
-    repeated FilterInfo Filters = 3 [json_name="Filters"];
+    repeated FilterInfo filters = 3 [json_name="Filters"];
 
     // TargetInfo groups information about extended ACL target.
     message TargetInfo {
-        // Target carries target of ACL rule.
+        // target carries target of ACL rule.
-        acl.Target Target = 1 [json_name="Role"];
+        acl.Target target = 1 [json_name="Role"];
 
-        // KeyList carries public keys of ACL target.
+        // key_list carries public keys of ACL target.
-        repeated bytes KeyList = 2 [json_name="Keys"];
+        repeated bytes key_list = 2 [json_name="Keys"];
     }
 
-    // Targets carries information about extended ACL target list.
+    // targets carries information about extended ACL target list.
-    repeated TargetInfo Targets = 4 [json_name="Targets"];
+    repeated TargetInfo targets = 4 [json_name="Targets"];
 }
 
 // EACLRecord carries the information about extended ACL rules.
 message EACLTable {
     // Carries identifier of the container that should use given access control rules.
-    refs.ContainerID ContainerID = 1 [json_name="ContainerID"];
+    refs.ContainerID container_id = 1 [json_name="ContainerID"];
 
     // Records carries list of extended ACL rule records.
-    repeated EACLRecord Records = 2 [json_name="Records"];
+    repeated EACLRecord records = 2 [json_name="Records"];
 }

container/service.proto

@@ -43,73 +43,72 @@ service Service {
 
 message PutRequest {
     // Container to create in NeoFS.
-    container.Container Container = 1;
+    container.Container container = 1;
 
-    // PublicKey of container owner. It can be public key of the owner
+    // Public Key of container owner. It can be public key of the owner
     // or it can be public key that bound in neofs.id smart-contract.
-    bytes PublicKey = 2;
+    bytes public_key = 2;
 
     // Signature of stable-marshalled container according to RFC-6979.
-    bytes Signature = 3;
+    bytes signature = 3;
 }
 
 message PutResponse {
-    // ContainerID carries identifier of the new container.
+    // container_id carries identifier of the new container.
-    refs.ContainerID ContainerID = 1;
+    refs.ContainerID container_id = 1;
 }
 
 message DeleteRequest {
-    // ContainerID carries identifier of the container to delete from NeoFS.
+    // container_id carries identifier of the container to delete from NeoFS.
-    refs.ContainerID ContainerID = 1;
+    refs.ContainerID container_id = 1;
 
     // Signature of container id according to RFC-6979.
-    bytes Signature = 2;
+    bytes signature = 2;
 }
 
 // DeleteResponse is empty because delete operation is asynchronous and done
 // via consensus in inner ring nodes
 message DeleteResponse {}
 
-
 message GetRequest {
-    // ContainerID carries identifier of the container to get.
+    // container_id carries identifier of the container to get.
-    refs.ContainerID ContainerID = 1;
+    refs.ContainerID container_id = 1;
 }
 
 message GetResponse {
     // Container that has been requested.
-    container.Container Container = 1;
+    container.Container container = 1;
 }
 
 message ListRequest {
-    // OwnerID carries identifier of the container owner.
+    // owner_id carries identifier of the container owner.
-    refs.OwnerID OwnerID = 1;
+    refs.OwnerID owner_id = 1;
 }
 
 message ListResponse {
     // ContainerIDs carries list of identifiers of the containers that belong to the owner.
-    repeated refs.ContainerID ContainerIDs = 1;
+    repeated refs.ContainerID container_ids = 1;
 }
 
 message SetExtendedACLRequest {
-    // EACL to set for the container.
+    // Extended ACL to set for the container.
-    acl.EACLTable EACL = 1;
+    acl.EACLTable eacl = 1;
 
     // Signature of stable-marshalled Extended ACL according to RFC-6979.
-    bytes Signature = 2;
+    bytes signature = 2;
 }
 
 message SetExtendedACLResponse {}
 
 message GetExtendedACLRequest {
-    // ContainerID carries identifier of the container that has Extended ACL.
+    // container_id carries identifier of the container that has Extended ACL.
-    refs.ContainerID ContainerID = 1;
+    refs.ContainerID container_id = 1;
 }
 
 message GetExtendedACLResponse {
-    // EACL that has been requested if it was set up.
+    // Extended ACL that has been requested if it was set up.
-    acl.EACLTable EACL = 1;
+    acl.EACLTable eacl = 1;
 
     // Signature of stable-marshalled Extended ACL according to RFC-6979.
-    bytes Signature = 2;
+    bytes signature = 2;
 }

container/types.proto

@@ -14,27 +14,27 @@ import "netmap/types.proto";
 // SHA256 hash of stable-marshalled container message.
 message Container {
     // OwnerID carries identifier of the container owner.
-  refs.OwnerID OwnerID = 1;
+  refs.OwnerID owner_id = 1;
 
     // Nonce is a 16 byte UUID, used to avoid collisions of container id.
-    bytes Nonce = 2;
+    bytes nonce = 2;
 
     // BasicACL contains access control rules for owner, system, others groups and
     // permission bits for bearer token and Extended ACL.
-    uint32 BasicACL = 3;
+    uint32 basic_acl = 3;
 
     // Attribute is a key-value pair of strings.
     message Attribute {
         // Key of immutable container attribute.
-        string Key = 1;
+        string key = 1;
 
         // Value of immutable container attribute.
-        string Value = 2;
+        string value = 2;
     }
 
     // Attributes define any immutable characteristics of container.
-  repeated Attribute Attributes = 4;
+  repeated Attribute attributes = 4;
 
     // Rules define storage policy for the object inside the container.
-    netmap.PlacementRule Rules = 5;
+    netmap.PlacementRule rules = 5;
 }

netmap/types.proto

@@ -6,14 +6,14 @@ option go_package = "github.com/nspcc-dev/neofs-api-go/netmap";
 option csharp_namespace = "NeoFS.API.Netmap";
 
 message PlacementRule {
-    uint32 ReplFactor = 1;
+    uint32 repl_factor = 1;
 
     message SFGroup {
         message Filter {
-            string Key = 1;
+            string key = 1;
 
             message SimpleFilters {
-                repeated SimpleFilter Filters = 1;
+                repeated SimpleFilter filters = 1;
             }
 
             message SimpleFilter {
@@ -29,62 +29,62 @@ message PlacementRule {
                     AND = 8;
                 }
 
-                Operation Op = 1;
+                Operation op = 1;
 
                 oneof Args {
-                    string Value = 2;
+                    string value = 2;
-                    SimpleFilters FArgs = 3;
+                    SimpleFilters f_args = 3;
                 }
             }
 
-            SimpleFilter F = 2;
+            SimpleFilter f = 2;
         }
 
-        repeated Filter Filters = 1;
+        repeated Filter filters = 1;
 
         message Selector {
-            uint32 Count = 1;
+            uint32 count = 1;
-            string Key = 2;
+            string key = 2;
         }
 
-        repeated Selector Selectors = 2;
+        repeated Selector selectors = 2;
 
-        repeated uint32 Exclude = 3;
+        repeated uint32 exclude = 3;
     }
 
-    repeated SFGroup SFGroups = 2;
+    repeated SFGroup sf_groups = 2;
 }
 
 // Groups the information about the NeoFS node.
 message NodeInfo {
     // Carries network address of the NeoFS node.
-    string Address = 1;
+    string address = 1;
 
     // Carries public key of the NeoFS node in a binary format.
-    bytes PublicKey = 2;
+    bytes public_key = 2;
 
     // Groups attributes of the NeoFS node.
     message Attribute {
         // Carries string key to the node attribute.
-        string Key = 1;
+        string key = 1;
 
         // Carries string value of the node attribute.
-        string Value = 2;
+        string value = 2;
     }
 
-    // // Carries list of the NeoFS node attributes in a string key-value format.
+    // Carries list of the NeoFS node attributes in a string key-value format.
-    repeated Attribute Attributes = 3;
+    repeated Attribute attributes = 3;
 
     // Represents the enumeration of various states of the NeoFS node.
     enum State {
         // Undefined state.
-        Unknown = 0;
+        UNKNOWN = 0;
 
-        // Active state on the network.
+        // Active state in the network.
-        Online = 1;
+        ONLINE = 1;
 
         // Network unavailable state.
-        Offline = 2;
+        OFFLINE = 2;
     }
 
     // Carries state of the NeoFS node.

object/service.proto

@@ -54,30 +54,30 @@ service Service {
 
 message GetRequest {
     // Carries the address of the requested object.
-    refs.Address Address = 1;
+    refs.Address address = 1;
 
     // Carries the raw option flag of the request.
     // Raw request is sent to receive only the objects
     // that are physically stored on the server.
-    bool Raw = 2;
+    bool raw = 2;
 
     // Carries request meta information. Header data is used only to regulate message
     // transport and does not affect request execution.
-    service.RequestMetaHeader MetaHeader = 98;
+    service.RequestMetaHeader meta_header = 98;
 
     // Carries request verification information. This header is used to authenticate
     // the nodes of the message route and check the correctness of transmission.
-    service.RequestVerificationHeader VerifyHeader = 99;
+    service.RequestVerificationHeader verify_header = 99;
 }
 
 message GetResponse {
     // Carries the single message of the response stream.
     oneof ObjectPart {
         // Carries the object header.
-        Header Header = 1;
+        Header header = 1;
 
         // Carries part of the object payload.
-        bytes Chunk = 2;
+        bytes chunk = 2;
     }
 }
 
@@ -85,12 +85,12 @@ message PutRequest {
     // Groups initialization parameters of object placement in NeoFS.
     message Init {
         // Carries the header of the object to save in the system.
-        Header Header = 1;
+        Header header = 1;
 
         // Carries the number of the object copies to store
         // within the RPC call. Default zero value is processed according
         // to the container placement rules.
-        uint32 CopiesNumber = 2;
+        uint32 copies_number = 2;
     }
 
     // Carries the single part of the query stream.
@@ -99,38 +99,38 @@ message PutRequest {
         Init init = 1;
 
         // Carries part of the object payload.
-        bytes Chunk = 2;
+        bytes chunk = 2;
     }
 
     // Carries request meta information. Header data is used only to regulate message
     // transport and does not affect request execution.
-    service.RequestMetaHeader MetaHeader = 98;
+    service.RequestMetaHeader meta_header = 98;
 
     // Carries request verification information. This header is used to authenticate
     // the nodes of the message route and check the correctness of transmission.
-    service.RequestVerificationHeader VerifyHeader = 99;
+    service.RequestVerificationHeader verify_header = 99;
 }
 
 message PutResponse {
     // Carries identifier of the saved object.
     // It is used to access an object in the container.
-    refs.ObjectID ObjectID = 1;
+    refs.ObjectID object_id = 1;
 }
 
 message DeleteRequest {
     // Carries the address of the object to be deleted.
-    refs.Address Address = 1;
+    refs.Address address = 1;
 
     // Carries identifier the object owner.
-    refs.OwnerID OwnerID = 2;
+    refs.OwnerID owner_id = 2;
 
     // Carries request meta information. Header data is used only to regulate message
     // transport and does not affect request execution.
-    service.RequestMetaHeader MetaHeader = 98;
+    service.RequestMetaHeader meta_header = 98;
 
     // Carries request verification information. This header is used to authenticate
     // the nodes of the message route and check the correctness of transmission.
-    service.RequestVerificationHeader VerifyHeader = 99;
+    service.RequestVerificationHeader verify_header = 99;
 }
 
 // DeleteResponse is empty because we cannot guarantee permanent object removal
@@ -140,120 +140,120 @@ message DeleteResponse {
 
 message HeadRequest {
     // Carries the address of the object with the requested header.
-    refs.Address Address = 1;
+    refs.Address address = 1;
 
     // Carries the option to crop header to main part.
-    bool MainOnly = 2;
+    bool main_only = 2;
 
     // Carries the raw option flag of the request.
     // Raw request is sent to receive only the headers of the objects
     // that are physically stored on the server.
-    bool Raw = 3;
+    bool raw = 3;
 
     // Carries request meta information. Header data is used only to regulate message
     // transport and does not affect request execution.
-    service.RequestMetaHeader MetaHeader = 98;
+    service.RequestMetaHeader meta_header = 98;
 
     // Carries request verification information. This header is used to authenticate
     // the nodes of the message route and check the correctness of transmission.
-    service.RequestVerificationHeader VerifyHeader = 99;
+    service.RequestVerificationHeader verify_header = 99;
 }
 
 message HeadResponse {
     // Carries the requested object header.
-    Header Header = 1;
+    Header header = 1;
 }
 
 message SearchRequest {
     // Carries search container identifier.
-    refs.ContainerID ContainerID = 1;
+    refs.ContainerID container_id = 1;
 
     message Query {
-        uint32 Version = 1;
+        uint32 version = 1;
 
         message Filter {
             enum MatchType {
-                MatchUnknown = 0;
+                MATCH_UNKNOWN = 0;
-                StringEqual = 1;
+                STRING_EQUAL = 1;
             }
 
-            MatchType matchType = 1;
+            MatchType match_type = 1;
 
-            string Name = 2;
+            string name = 2;
 
-            string Value = 3;
+            string value = 3;
         }
 
-        repeated Filter Filters = 2;
+        repeated Filter filters = 2;
     }
 
     Query query = 2;
 
     // Carries request meta information. Header data is used only to regulate message
     // transport and does not affect request execution.
-    service.RequestMetaHeader MetaHeader = 98;
+    service.RequestMetaHeader meta_header = 98;
 
     // Carries request verification information. This header is used to authenticate
     // the nodes of the message route and check the correctness of transmission.
-    service.RequestVerificationHeader VerifyHeader = 99;
+    service.RequestVerificationHeader verify_header = 99;
 }
 
 message SearchResponse {
     // Carries list of object identifiers that match the search query.
-    repeated refs.ObjectID IDList = 1;
+    repeated refs.ObjectID id_list = 1;
 }
 
 // Range groups the parameters of object payload range.
 message Range {
     // Carries the offset of the range from the object payload start.
-    uint64 Offset = 1;
+    uint64 offset = 1;
 
     // Carries the length of the object payload range.
-    uint64 Length = 2;
+    uint64 length = 2;
 }
 
 message GetRangeRequest {
     // Address carries address of the object that contains the requested payload range.
-    refs.Address Address = 1;
+    refs.Address address = 1;
 
     // Range carries the parameters of the requested payload range.
-    Range Range = 2;
+    Range range = 2;
 
     // Carries request meta information. Header data is used only to regulate message
     // transport and does not affect request execution.
-    service.RequestMetaHeader MetaHeader = 98;
+    service.RequestMetaHeader meta_header = 98;
 
     // Carries request verification information. This header is used to authenticate
     // the nodes of the message route and check the correctness of transmission.
-    service.RequestVerificationHeader VerifyHeader = 99;
+    service.RequestVerificationHeader verify_header = 99;
 }
 
 message GetRangeResponse {
     // Carries part of the object payload.
-    bytes Chunk = 1;
+    bytes chunk = 1;
 }
 
 message GetRangeHashRequest {
     // Carries address of the object that contains the requested payload range.
-    refs.Address Address = 1;
+    refs.Address address = 1;
 
     // Carries the list of object payload range to calculate homomorphic hash.
-    repeated Range Ranges = 2;
+    repeated Range ranges = 2;
 
     // Carries binary salt to XOR object payload ranges before hash calculation.
-    bytes Salt = 3;
+    bytes salt = 3;
 
     // Carries request meta information. Header data is used only to regulate message
     // transport and does not affect request execution.
-    service.RequestMetaHeader MetaHeader = 98;
+    service.RequestMetaHeader meta_header = 98;
 
     // Carries request verification information. This header is used to authenticate
     // the nodes of the message route and check the correctness of transmission.
-    service.RequestVerificationHeader VerifyHeader = 99;
+    service.RequestVerificationHeader verify_header = 99;
 }
 
 message GetRangeHashResponse {
     // Carries list of homomorphic hashes in a binary format.
-    repeated bytes HashList = 1;
+    repeated bytes hash_list = 1;
 }
 

object/types.proto

@@ -13,14 +13,14 @@ message Header {
     // Main groups mandatory information about the object.
     // Message fields are presented in all NeoFS objects.
     message Main {
-        // PayloadLength carries length of the object payload.
+        // payload_length carries length of the object payload.
         // Each object has a fixed payload length since it's immutable.
-        uint64 PayloadLength = 1;
+        uint64 payload_length = 1;
-        // Address carries object address in the NeoFS system.
+        // address carries object address in the NeoFS system.
         // It encapsulates the object and the container identifiers.
-        refs.Address Address = 2;
+        refs.Address address = 2;
-        // OwnerID carries identifier of the object owner.
+        // owner_id carries identifier of the object owner.
-        refs.OwnerID OwnerID = 3;
+        refs.OwnerID owner_id = 3;
     }
 
     // Main carries the main part of the header.
@@ -33,49 +33,49 @@ message Header {
     message Extended {
         // Integrity groups evidence of the integrity of an object's structure.
         message Integrity {
-            // PayloadChecksum carries the checksum of object payload bytes.
+            // payload_checksum carries the checksum of object payload bytes.
             // Changing any byte of the payload changes the checksum.
             // It is calculated as a SHA-256 hash over payload bytes.
-            bytes PayloadChecksum = 1;
+            bytes payload_checksum = 1;
 
-            // HeaderChecksum carries checksum of the object header structure.
+            // header_checksum carries checksum of the object header structure.
             // It covers all object attributes. Changing any field of the object except
             // CreatorKey and ChecksumSignature changes the checksum.
-            // PayloadChecksum and HeaderChecksum cannot be merged due to the need
+            // payload_checksum and header_checksum cannot be merged due to the need
             // to verify the header in the absence of a payload (e.g. in object.Head rpc).
             // It is calculated as a SHA-256 hash over marshaled object header
-            // with cut CreatorKey and ChecksumSignature.
+            // with cut creator_key and checksum_signature.
-            bytes HeaderChecksum = 2;
+            bytes header_checksum = 2;
 
-            // SessionToken carries token of the session within which the object was created.
+            // session_token carries token of the session within which the object was created.
             // If session token is presented in object, it acts as the user's proof of the
-            // correctness of the CreatorKey.
+            // correctness of the creator_key.
-            service.Token SessionToken = 3;
+            service.Token session_token = 3;
 
-            // CreatorKey carries public key of the object creator in a binary format.
+            // creator_key carries public key of the object creator in a binary format.
-            bytes CreatorKey = 4;
+            bytes creator_key = 4;
 
-            // ChecksumSignature carries signature of the structure checksum by the object creator.
+            // checksum_signature carries signature of the structure checksum by the object creator.
-            bytes ChecksumSignature = 5;
+            bytes checksum_signature = 5;
         }
 
-        // Integrity carries object integrity evidence.
+        // integrity carries object integrity evidence.
         Integrity integrity = 1;
 
         // Attribute groups the parameters of the object attributes.
         message Attribute {
-            // Key carries the string key to the object attribute.
+            // key carries the string key to the object attribute.
-            string Key = 1;
+            string key = 1;
 
-            // Value carries the string value of the object attribute.
+            // value carries the string value of the object attribute.
-            string Value = 2;
+            string value = 2;
         }
 
-        // Attributes carries list of the object attributes in a string key-value format.
+        // attributes carries list of the object attributes in a string key-value format.
-        repeated Attribute Attributes = 2;
+        repeated Attribute attributes = 2;
 
-        // CreationEpoch carries number of NeoFS epoch on which the object was created.
+        // creation_epoch carries number of NeoFS epoch on which the object was created.
-        uint64 CreationEpoch = 3;
+        uint64 creation_epoch = 3;
 
         // Tombstone groups the options for deleting an object.
         message Tombstone {
@@ -84,32 +84,32 @@ message Header {
         // Tombstone marks the object to be deleted.
         Tombstone tombstone = 4;
 
-        // HomomorphicHash carries homomorphic hash of the object payload.
+        // homomorphic_hash carries homomorphic hash of the object payload.
-        bytes HomomorphicHash = 5;
+        bytes homomorphic_hash = 5;
 
         // StorageGroup groups meta information about a storage group.
         message StorageGroup {
         }
 
         // StorageGroup marks an object containing information about a storage group.
-        StorageGroup storageGroup = 6;
+        StorageGroup storage_group = 6;
 
         // Split groups information about spawning the object through a payload splitting.
         message Split {
             // Parent carries identifier of the origin object.
-            refs.ObjectID Parent = 1;
+            refs.ObjectID parent = 1;
 
             // Previous carries identifier of the left split neighbor.
-            refs.ObjectID Previous = 2;
+            refs.ObjectID previous = 2;
 
-            // Previous carries identifier of the right split neighbor.
+            // Next carries identifier of the right split neighbor.
-            refs.ObjectID Next = 3;
+            refs.ObjectID next = 3;
 
             // Children carries list of identifiers of the objects generated by splitting the current.
-            repeated refs.ObjectID Children = 4;
+            repeated refs.ObjectID children = 4;
 
             // Origin carries the header of the origin object.
-            Header Origin = 5;
+            Header origin = 5;
         }
 
         // Split carries the position of the object in the split hierarchy.
@@ -124,8 +124,8 @@ message Header {
 // It consists of payload data with additional service information.
 message Object {
     // Header carries the object header.
-    Header Header = 1;
+    Header header = 1;
 
     // Payload carries the object payload bytes.
-    bytes Payload = 2;
+    bytes payload = 2;
 }

refs/types.proto

@@ -7,27 +7,27 @@ option csharp_namespace = "NeoFS.API.Refs";
 
 // Address of object (container id + object id)
 message Address {
-    // ContainerID carries container identifier.
+    // container_id carries container identifier.
-    ContainerID ContainerID = 1;
+    ContainerID container_id = 1;
 
-    // ObjectID carries object identifier.
+    // object_id carries object identifier.
-    ObjectID ObjectID = 2;
+    ObjectID object_id = 2;
 }
 
 // ObjectID groups information about the NeoFS object identifier.
 message ObjectID {
-    // Value carries the object identifier in a binary format.
+    // value carries the object identifier in a binary format.
-    bytes Value = 1;
+    bytes value = 1;
 }
 
 // ContainerID groups information about the NeoFS container identifier.
 message ContainerID {
-    // Value carries the container identifier in a binary format.
+    // value carries the container identifier in a binary format.
-    bytes Value = 1;
+    bytes value = 1;
 }
 
 // OwnerID group information about the owner of the NeoFS container.
 message OwnerID {
-    // Value carries the identifier of the container owner in a binary format.
+    // value carries the identifier of the container owner in a binary format.
-    bytes Value = 1;
+    bytes value = 1;
 }

service/meta.proto

@@ -8,16 +8,16 @@ option csharp_namespace = "NeoFS.API.Service";
 // RequestMetaHeader contains information about request meta headers.
 message RequestMetaHeader {
     // Carries maximum number of nodes in the request route.
-    uint32 TTL = 1;
+    uint32 ttl = 1;
 
     message XHeader {
         // Carries key to the X-Header.
-        string Key = 1;
+        string key = 1;
 
         // Carries value of the X-Header.
-        string Value = 2;
+        string value = 2;
     }
 
     // Carries request X-Headers.
-    repeated XHeader XHeaders = 2;
+    repeated XHeader x_headers = 2;
 }

service/verify.proto

@@ -12,100 +12,100 @@ import "refs/types.proto";
 message RequestVerificationHeader {
     message Signature {
         // Key is compressed public key used for signature.
-        bytes Key = 1;
+        bytes key = 1;
 
         // Sign is signature of the request or session key.
-        bytes Sign = 2;
+        bytes sign = 2;
     }
 
     // Signatures is a set of signatures of every passed NeoFS Node
-    repeated Signature Signatures = 1;
+    repeated Signature signatures = 1;
 
     // Token is a token of the session within which the request is sent
-    Token Token = 2;
+    Token token = 2;
 
     // Bearer is a Bearer token of the request
-    BearerTokenMsg Bearer = 3;
+    BearerTokenMsg bearer = 3;
 }
 
 // User token granting rights for object manipulation
 message Token {
     message Info {
         // ID is a token identifier. valid UUIDv4 represented in bytes
-        bytes ID = 1;
+        bytes id = 1;
 
         // OwnerID carries identifier of the manipulation object owner.
-        refs.OwnerID OwnerID = 2;
+        refs.OwnerID owner_id = 2;
 
         // Verb is an enumeration of session request types
         enum Verb {
             // Put refers to object.Put RPC call
-            Put = 0;
+            PUT = 0;
             // Get refers to object.Get RPC call
-            Get = 1;
+            GET = 1;
             // Head refers to object.Head RPC call
-            Head = 2;
+            HEAD = 2;
             // Search refers to object.Search RPC call
-            Search = 3;
+            SEARCH = 3;
             // Delete refers to object.Delete RPC call
-            Delete = 4;
+            DELETE = 4;
             // Range refers to object.GetRange RPC call
-            Range = 5;
+            RANGE = 5;
             // RangeHash refers to object.GetRangeHash RPC call
-            RangeHash = 6;
+            RANGEHASH = 6;
         }
 
         // Verb is a type of request for which the token is issued
         Verb verb = 3;
 
         // Address is an object address for which token is issued
-        refs.Address Address = 4;
+        refs.Address address = 4;
 
         // Lifetime is a lifetime of the session
-        TokenLifetime Lifetime = 5;
+        TokenLifetime lifetime = 5;
 
         // SessionKey is a public key of session key
-        bytes SessionKey = 6;
+        bytes session_key = 6;
 
         // OwnerKey is a public key of the token owner
-        bytes OwnerKey = 7;
+        bytes owner_key = 7;
     }
 
-    // TokenInfo is a grouped information about token
+    // token_info is a grouped information about token
-    Info TokenInfo = 1;
+    Info token_info = 1;
 
     // Signature is a signature of session token information
-    bytes Signature = 8;
+    bytes signature = 8;
 }
 
 // TokenLifetime carries a group of lifetime parameters of the token
 message TokenLifetime {
-    // Created carries an initial epoch of token lifetime
+    // created carries an initial epoch of token lifetime
-    uint64 Created = 1;
+    uint64 created = 1;
 
-    // ValidUntil carries a last epoch of token lifetime
+    // valid_until carries a last epoch of token lifetime
-    uint64 ValidUntil = 2;
+    uint64 valid_until = 2;
 }
 
 // BearerTokenMsg carries information about request ACL rules with limited lifetime
 message BearerTokenMsg {
     message Info {
         // EACLTable carries table of extended ACL rules.
-        acl.EACLTable EACLTable = 1;
+        acl.EACLTable eacl_table = 1;
 
         // OwnerID carries identifier of the token owner.
-        refs.OwnerID OwnerID = 2;
+        refs.OwnerID owner_id = 2;
 
         // ValidUntil carries a last epoch of token lifetime
-        uint64 ValidUntil = 3;
+        uint64 valid_until = 3;
     }
 
-    // TokenInfo is a grouped information about token
+    // token_info is a grouped information about token
-    Info TokenInfo = 1;
+    Info token_info = 1;
 
-    // OwnerKey is a public key of the token owner
+    // owner_key is a public key of the token owner
-    bytes OwnerKey = 2;
+    bytes owner_key = 2;
 
     // Signature is a signature of token information
-    bytes Signature = 3;
+    bytes signature = 3;
 }

session/service.proto

@@ -17,25 +17,25 @@ service Session {
 // CreateRequest carries an information necessary for opening a session.
 message CreateRequest {
     // Carries an identifier of a session initiator.
-    refs.OwnerID OwnerID = 1;
+    refs.OwnerID owner_id = 1;
 
     // Carries a lifetime of the session.
-    service.TokenLifetime Lifetime = 2;
+    service.TokenLifetime lifetime = 2;
 
     // Carries request meta information. Header data is used only to regulate message
     // transport and does not affect request execution.
-    service.RequestMetaHeader MetaHeader = 98;
+    service.RequestMetaHeader meta_header = 98;
 
     // Carries request verification information. This header is used to authenticate
     // the nodes of the message route and check the correctness of transmission.
-    service.RequestVerificationHeader VerifyHeader = 99;
+    service.RequestVerificationHeader verify_header = 99;
 }
 
 // CreateResponse carries an information about the opened session.
 message CreateResponse {
-    // ID carries an identifier of session token.
+    // id carries an identifier of session token.
-    bytes ID = 1;
+    bytes id = 1;
 
-    // SessionKey carries a session public key.
+    // session_key carries a session public key.
-    bytes SessionKey = 2;
+    bytes session_key = 2;
 }

storagegroup/types.proto

@@ -10,17 +10,17 @@ import "refs/types.proto";
 // StorageGroup groups the information about the NeoFS storage group.
 // The storage group consists of objects from single container.
 message StorageGroup {
-    // ValidationDataSize carries the total size of the payloads of the storage group members.
+    // validation_data_size carries the total size of the payloads of the storage group members.
-    uint64 ValidationDataSize = 1;
+    uint64 validation_data_size = 1;
 
-    // ValidationHash carries homomorphic hash from the concatenation of the payloads of the storage group members.
+    // validation_hash carries homomorphic hash from the concatenation of the payloads of the storage group members.
     // The order of concatenation is the same as the order of the members in the Members field.
-    bytes ValidationHash = 2;
+    bytes validation_hash = 2;
 
-    // ExpirationEpoch carries last NeoFS epoch number of the storage group lifetime.
+    // expiration_epoch carries last NeoFS epoch number of the storage group lifetime.
-    uint64 ExpirationEpoch = 3;
+    uint64 expiration_epoch = 3;
 
     // Members carries the list of identifiers of the object storage group members.
     // The list is strictly ordered.
-    repeated refs.ObjectID Members = 4;
+    repeated refs.ObjectID members = 4;
 }