syntax = "proto3";

package neo.fs.v2.refs;

option go_package = "github.com/nspcc-dev/neofs-api-go/v2/refs/grpc;refs";
option csharp_namespace = "NeoFS.API.v2.Refs";

// Address of object (container id + object id)
message Address {
  // container_id carries container identifier.
  ContainerID container_id = 1;
  // object_id carries object identifier.
  ObjectID object_id = 2;
}

// NeoFS object identifier.
message ObjectID {
  // value carries the object identifier in a binary format.
  bytes value = 1;
}

// NeoFS container identifier.
message ContainerID {
  // value carries the container identifier in a binary format.
  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.
  bytes value = 1;
}

// Represents API version used by node.
message Version {
  // Major API version.
  uint32 major = 1;

  // Minor API version.
  uint32 minor = 2;
}

// Signature of something in NeoFS
message Signature {
  // Public key used for signing.
  bytes key = 1;
  // Signature
  bytes sign = 2;
}

// Checksum algorithm type
enum ChecksumType {
  // Unknown. Not used
  CHECKSUM_TYPE_UNSPECIFIED = 0;

  // Tillich-Zemor homomorphic hash funciton
  TZ = 1;

  // SHA-256
  SHA256 = 2;
}

// Checksum message
message Checksum {
  // Checksum algorithm type
  ChecksumType type = 1;

  // Checksum itself
  bytes sum = 2;
}