/*
 * SPDX-FileCopyrightText: © Hypermode Inc. <hello@hypermode.com>
 * SPDX-License-Identifier: Apache-2.0
 */

// Use protos/gen.sh to generate .pb.go files.
syntax = "proto3";

package badgerpb4;

option go_package = "github.com/dgraph-io/badger/v4/pb";

message KV {
  bytes key = 1;
  bytes value = 2;
  bytes user_meta = 3;
  uint64 version = 4;
  uint64 expires_at = 5;
  bytes meta = 6;

  // Stream id is used to identify which stream the KV came from.
  uint32 stream_id = 10;
  // Stream done is used to indicate end of stream.
  bool stream_done = 11;
}

message KVList {
  repeated KV kv = 1;

  // alloc_ref used internally for memory management.
  uint64 alloc_ref = 10;
}

message ManifestChangeSet {
  // A set of changes that are applied atomically.
  repeated ManifestChange changes = 1;
}

enum EncryptionAlgo {
  aes = 0;
}

message ManifestChange {
  uint64 Id = 1;            // Table ID.
  enum Operation {
    CREATE = 0;
    DELETE = 1;
  }
  Operation Op   = 2;
  uint32 Level   = 3;       // Only used for CREATE.
  uint64 key_id  = 4;
  EncryptionAlgo encryption_algo = 5;
  uint32 compression = 6;   // Only used for CREATE Op.
}

message Checksum {
  enum Algorithm {
    CRC32C = 0;
    XXHash64 = 1;
  }
  Algorithm algo = 1; // For storing type of Checksum algorithm used
  uint64 sum = 2;
}

message DataKey {
  uint64 key_id      = 1;
  bytes  data       = 2;
  bytes  iv         = 3;
  int64  created_at = 4;
}

message Match {
    bytes prefix = 1;
    string ignore_bytes = 2; // Comma separated with dash to represent ranges "1, 2-3, 4-7, 9"
}