syntax = "proto3"; package object; option go_package = "github.com/nspcc-dev/neofs-proto/object"; import "refs/types.proto"; import "session/types.proto"; import "storagegroup/types.proto"; import "github.com/gogo/protobuf/gogoproto/gogo.proto"; option (gogoproto.stable_marshaler_all) = true; message Range { // Offset of the data range uint64 Offset = 1; // Length of the data range uint64 Length = 2; } message UserHeader { // Key of the user's header string Key = 1; // Value of the user's header string Value = 2; } message Header { oneof Value { // Link to other objects Link Link = 1; // Redirect not used yet refs.Address Redirect = 2; // UserHeader is a set of KV headers defined by user UserHeader UserHeader = 3; // Transform defines transform operation (e.g. payload split) Transform Transform = 4; // Tombstone header that set up in deleted objects Tombstone Tombstone = 5; // Verify header that contains session public key and user's signature session.VerificationHeader Verify = 6; // HomoHash is a homomorphic hash of original object payload bytes HomoHash = 7 [(gogoproto.customtype) = "Hash"]; // PayloadChecksum of actual object's payload bytes PayloadChecksum = 8; // Integrity header with checksum of all above headers in the object IntegrityHeader Integrity = 9; // StorageGroup contains meta information for the data audit storagegroup.StorageGroup StorageGroup = 10; } } message Tombstone {} message SystemHeader { // Version of the object structure uint64 Version = 1; // PayloadLength is an object payload length uint64 PayloadLength = 2; // ID is an object identifier, is a valid UUIDv4 bytes ID = 3 [(gogoproto.customtype) = "ID", (gogoproto.nullable) = false]; // OwnerID is a wallet address bytes OwnerID = 4 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false]; // CID is a SHA256 hash of the container structure (container identifier) bytes CID = 5 [(gogoproto.customtype) = "CID", (gogoproto.nullable) = false]; // CreatedAt is a timestamp of object creation CreationPoint CreatedAt = 6 [(gogoproto.nullable) = false]; } message CreationPoint { // UnixTime is a date of creation in unixtime format int64 UnixTime = 1; // Epoch is a date of creation in NeoFS epochs uint64 Epoch = 2; } message IntegrityHeader { // HeadersChecksum is a checksum of all above headers in the object bytes HeadersChecksum = 1; // ChecksumSignature is an user's signature of checksum to verify if it is correct bytes ChecksumSignature = 2; } message Link { enum Type { Unknown = 0; // Parent object created during object transformation Parent = 1; // Previous object in the linked list created during object transformation Previous = 2; // Next object in the linked list created during object transformation Next = 3; // Child object created during object transformation Child = 4; // Object that included into this storage group StorageGroup = 5; } // Type of link Type type = 1; // ID is an object identifier, is a valid UUIDv4 bytes ID = 2 [(gogoproto.customtype) = "ID", (gogoproto.nullable) = false]; } message Transform { enum Type { Unknown = 0; // Split sets when object created after payload split Split = 1; // Sign sets when object created after re-signing (doesn't used) Sign = 2; // Mould sets when object created after filling missing headers in the object Mould = 3; } // Type of object transformation Type type = 1; } message Object { // SystemHeader describes system header SystemHeader SystemHeader = 1 [(gogoproto.nullable) = false]; // Headers describes a set of an extended headers repeated Header Headers = 2 [(gogoproto.nullable) = false]; // Payload is an object's payload bytes Payload = 3; }