frostfs-api/object/types.proto

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syntax = "proto3";
package neo.fs.v2.object;
option go_package = "github.com/nspcc-dev/neofs-api-go/v2/object/grpc;object";
option csharp_namespace = "NeoFS.API.v2.Object";
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import "refs/types.proto";
import "service/types.proto";
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// Type of the object payload content
enum ObjectType {
// Just a normal object
REGULAR = 0;
// Used internally to identify deleted objects
TOMBSTONE = 1;
// Identifies that the object holds StorageGroup information
STORAGE_GROUP = 2;
}
// Type of match expression
enum MatchType {
// Unknown. Not used
MATCH_TYPE_UNSPECIFIED = 0;
// Full string match
STRING_EQUAL = 1;
}
// Short header fields
message ShortHeader {
// Object format version.
neo.fs.v2.service.Version version = 1;
// Epoch when the object was created
uint64 creation_epoch = 2;
// Object's owner
neo.fs.v2.refs.OwnerID owner_id = 3;
// Type of the object payload content
ObjectType object_type = 4;
// Size of payload in bytes.
// 0xFFFFFFFFFFFFFFFF means `payload_length` is unknown
uint64 payload_length = 5;
}
// Object Headers
message Header {
// Object format version.
// Effectively the version of API library used to create particular object
neo.fs.v2.service.Version version = 1;
// Object's container
neo.fs.v2.refs.ContainerID container_id = 2;
// Object's owner
neo.fs.v2.refs.OwnerID owner_id = 3;
// Object creation Epoch
uint64 creation_epoch = 4;
// Size of payload in bytes.
// 0xFFFFFFFFFFFFFFFF means `payload_length` is unknown
uint64 payload_length = 5;
// Hash of payload bytes
bytes payload_hash = 6;
// Special object type
ObjectType object_type = 7;
// Homomorphic hash of the object payload.
bytes homomorphic_hash = 8;
// Session token, if it was used during Object creation.
// Need it to verify integrity and authenticity out of Request scope.
neo.fs.v2.service.SessionToken session_token = 9;
// Attribute groups the user-defined Key-Value pairs attached to the object
message Attribute {
// string key to the object attribute
string key = 1;
// string value of the object attribute
string value = 2;
}
// User-defined object attributes
repeated Attribute attributes = 10;
// Information about spawning the objects through a payload splitting.
message Split {
// Identifier of the origin object.
// Parent and children objects must be within the same container.
// Parent object_id is known only to the minor child.
neo.fs.v2.refs.ObjectID parent = 1;
// Previous carries identifier of the left split neighbor.
neo.fs.v2.refs.ObjectID previous = 2;
// `signature` field of the parent object. Used to reconstruct parent.
neo.fs.v2.service.Signature parent_signature = 3;
// `header` field of the parent object. Used to reconstruct parent.
Header parent_header = 4;
// Children carries list of identifiers of the objects generated by splitting the current.
repeated neo.fs.v2.refs.ObjectID children = 5;
}
// Position of the object in the split hierarchy.
Split split = 11;
}
// Object structure.
message Object {
// Object's unique identifier.
// Object is content-addressed. It means id will change if header or payload
// changes. It's calculated as a hash of header field, which contains hash of
// object's payload
neo.fs.v2.refs.ObjectID object_id = 1;
// Signed object_id
neo.fs.v2.service.Signature signature = 2;
// Object metadata headers
Header header = 3;
// Payload bytes.
bytes payload = 4;
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}