protoc and localization

lib/entities/local_account.dart

@@ -0,0 +1,53 @@
+import 'dart:typed_data';
+
+import 'package:change_case/change_case.dart';
+import 'package:flutter/material.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:uuid/uuid.dart';
+import 'package:veilid/veilid.dart';
+import 'identity.dart';
+
+part 'local_account.freezed.dart';
+part 'local_account.g.dart';
+
+// Local account identitySecretKey is potentially encrypted with a key
+// using the following mechanisms
+// * None : no key, bytes are unencrypted
+// * Pin : Code is a numeric pin (4-256 numeric digits) hashed with Argon2
+// * Password: Code is a UTF-8 string that is hashed with Argon2
+enum EncryptionKeyType {
+  none,
+  pin,
+  password;
+
+  String toJson() => name.toPascalCase();
+  factory EncryptionKeyType.fromJson(String j) =>
+      EncryptionKeyType.values.byName(j.toCamelCase());
+}
+
+// Local Accounts are stored in a table locally and not backed by a DHT key
+// and represents the accounts that have been added/imported
+// on the current device.
+// Stores a copy of the IdentityMaster associated with the account
+// and the identitySecretKey optionally encrypted by an unlock code
+// This is the root of the account information tree for VeilidChat
+//
+@freezed
+class LocalAccount with _$LocalAccount {
+  const factory LocalAccount({
+    // The master key record for the account, containing the identityPublicKey
+    required IdentityMaster identityMaster,
+    // The encrypted identity secret that goes with the identityPublicKey
+    @Uint8ListJsonConverter() required Uint8List identitySecretKeyBytes,
+    // The kind of encryption input used on the account
+    required EncryptionKeyType encryptionKeyType,
+    // If account is not hidden, password can be retrieved via
+    required bool biometricsEnabled,
+    // Keep account hidden unless account password is entered
+    // (tries all hidden accounts with auth method (no biometrics))
+    required bool hiddenAccount,
+  }) = _LocalAccount;
+
+  factory LocalAccount.fromJson(Map<String, dynamic> json) =>
+      _$LocalAccountFromJson(json);
+}