feat(useragent): initial connection impl

mise.toml

@@ -16,5 +16,5 @@ sources = ['protobufs/*.proto']
 outputs = ['useragent/lib/proto/*']
 run = '''
 dart pub global activate protoc_plugin && \
-protoc --dart_out=useragent/lib/proto --proto_path=protobufs/ protobufs/*.proto
+protoc --dart_out=grpc:useragent/lib/proto --proto_path=protobufs/ protobufs/*.proto
 '''

useragent/lib/features/connection/connection.dart

@@ -1,3 +1,132 @@
+import 'dart:async';
+import 'dart:convert';
+
+import 'package:arbiter/features/connection/server_info_storage.dart';
+import 'package:arbiter/features/identity/pk_manager.dart';
+import 'package:arbiter/proto/arbiter.pbgrpc.dart';
+import 'package:arbiter/proto/user_agent.pb.dart';
+import 'package:grpc/grpc.dart';
+import 'package:mtcore/markettakers.dart';
+
+class Connection {
+  final ClientChannel channel;
+  final StreamController<UserAgentRequest> _tx;
+  final StreamIterator<UserAgentResponse> _rx;
+
+  Connection({
+    required this.channel,
+    required StreamController<UserAgentRequest> tx,
+    required ResponseStream<UserAgentResponse> rx,
+  }) : _tx = tx,
+       _rx = StreamIterator(rx);
+
+  Future<void> send(UserAgentRequest request) async {
+    _tx.add(request);
+  }
+
+  Future<UserAgentResponse> receive() async {
+    await _rx.moveNext();
+    return _rx.current;
+
+  }
+
+  Future<void> close() async {
+    await _tx.close();
+    await channel.shutdown();
+  }
+}
+
+Future<Connection> _connect(StoredServerInfo serverInfo) async {
+  final channel = ClientChannel(
+    serverInfo.address,
+    port: serverInfo.port,
+    options: ChannelOptions(
+      connectTimeout: const Duration(seconds: 10),
+      credentials: ChannelCredentials.secure(
+        onBadCertificate: (cert, host) {
+          return true;
+        },
+      ),
+    ),
+  );
+
+  final client = ArbiterServiceClient(channel);
+  final tx = StreamController<UserAgentRequest>();
+
+  final rx = client.userAgent(tx.stream);
+
+  return Connection(channel: channel, tx: tx, rx: rx);
+}
+
+List<int> formatChallenge(AuthChallenge challenge, List<int> pubkey) {
+  final encodedPubkey = base64Encode(pubkey);
+  final payload = "${challenge.nonce}:$encodedPubkey";
+  return utf8.encode(payload);
+}
+
+Future<Connection> connectAndAuthorize(
+  StoredServerInfo serverInfo,
+  KeyHandle key, {
+  String? bootstrapToken,
+}) async {
+  try {
+    final connection = await _connect(serverInfo);
+    talker.info(
+      'Connected to server at ${serverInfo.address}:${serverInfo.port}',
+    );
+    final pubkey = await key.getPublicKey();
+
+    final req = AuthChallengeRequest(
+      pubkey: pubkey,
+      bootstrapToken: bootstrapToken,
+      keyType: switch (key.alg) {
+        KeyAlgorithm.rsa => KeyType.KEY_TYPE_RSA,
+        KeyAlgorithm.ecdsa => KeyType.KEY_TYPE_ECDSA_SECP256K1,
+        KeyAlgorithm.ed25519 => KeyType.KEY_TYPE_ED25519,
+      },
+    );
+    await connection.send(UserAgentRequest(authChallengeRequest: req));
+    talker.info(
+      "Sent auth challenge request with pubkey ${base64Encode(pubkey)}",
+    );
 
 
-class Connection {}
+    final response = await connection.receive();
+
+    talker.info(
+      'Received response from server, checking for auth challenge...',
+    );
+
+    if (!response.hasAuthChallenge()) {
+      throw Exception(
+        'Expected AuthChallengeResponse, got ${response.whichPayload()}',
+      );
+    }
+
+    final challenge = formatChallenge(response.authChallenge, pubkey);
+    talker.info(
+      'Received auth challenge, signing with key ${base64Encode(pubkey)}',
+    );
+
+    final signature = await key.sign(challenge);
+
+    final solutionReq = AuthChallengeSolution(signature: signature);
+    await connection.send(UserAgentRequest(authChallengeSolution: solutionReq));
+
+    talker.info('Sent auth challenge solution, waiting for server response...');
+
+    final solutionResponse = await connection.receive();
+
+    if (!solutionResponse.hasAuthOk()) {
+      throw Exception(
+        'Expected AuthChallengeSolutionResponse, got ${solutionResponse.whichPayload()}',
+      );
+    }
+
+    talker.info('Authentication successful, connection established');
+
+    return connection;
+  } catch (e) {
+    throw Exception('Failed to connect to server: $e');
+  }
+}

useragent/lib/features/connection/server_info_storage.dart

@@ -1,7 +1,11 @@
 import 'dart:convert';
 
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:json_annotation/json_annotation.dart';
 
+part 'server_info_storage.g.dart';
+
+@JsonSerializable()
 class StoredServerInfo {
   const StoredServerInfo({
     required this.address,
@@ -13,19 +17,9 @@ class StoredServerInfo {
   final int port;
   final String caCertFingerprint;
 
-  Map<String, dynamic> toJson() => {
-    'address': address,
-    'port': port,
-    'caCertFingerprint': caCertFingerprint,
-  };
+  factory StoredServerInfo.fromJson(Map<String, dynamic> json) => _$StoredServerInfoFromJson(json);
+  Map<String, dynamic> toJson() => _$StoredServerInfoToJson(this);
   
-  factory StoredServerInfo.fromJson(Map<String, dynamic> json) {
-    return StoredServerInfo(
-      address: json['address'] as String,
-      port: json['port'] as int,
-      caCertFingerprint: json['caCertFingerprint'] as String,
-    );
-  }
 }
 
 abstract class ServerInfoStorage {

useragent/lib/features/connection/server_info_storage.g.dart

@@ -0,0 +1,21 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'server_info_storage.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+StoredServerInfo _$StoredServerInfoFromJson(Map<String, dynamic> json) =>
+    StoredServerInfo(
+      address: json['address'] as String,
+      port: (json['port'] as num).toInt(),
+      caCertFingerprint: json['caCertFingerprint'] as String,
+    );
+
+Map<String, dynamic> _$StoredServerInfoToJson(StoredServerInfo instance) =>
+    <String, dynamic>{
+      'address': instance.address,
+      'port': instance.port,
+      'caCertFingerprint': instance.caCertFingerprint,
+    };

useragent/lib/features/identity/simple_ed25519.dart

@@ -2,7 +2,7 @@ import 'dart:convert';
 
 import 'package:cryptography/cryptography.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
-import 'package:arbiter/features/pk_manager.dart';
+import 'package:arbiter/features/identity/pk_manager.dart';
 
 final storage = FlutterSecureStorage(
   aOptions: AndroidOptions.biometric(
@@ -16,7 +16,6 @@ final storage = FlutterSecureStorage(
     synchronizable: false,
     accessControlFlags: [
       AccessControlFlag.userPresence,
-      AccessControlFlag.privateKeyUsage,
     ],
     usesDataProtectionKeychain: true,
   ),

useragent/lib/proto/arbiter.pb.dart

@@ -10,14 +10,10 @@
 // ignore_for_file: deprecated_member_use_from_same_package, library_prefixes
 // ignore_for_file: non_constant_identifier_names, prefer_relative_imports
 
-import 'dart:async' as $async;
 import 'dart:core' as $core;
 
 import 'package:protobuf/protobuf.dart' as $pb;
 
-import 'client.pb.dart' as $0;
-import 'user_agent.pb.dart' as $1;
-
 export 'package:protobuf/protobuf.dart' show GeneratedMessageGenericExtensions;
 
 class ServerInfo extends $pb.GeneratedMessage {
@@ -86,21 +82,6 @@ class ServerInfo extends $pb.GeneratedMessage {
   void clearCertPublicKey() => $_clearField(2);
 }
 
-class ArbiterServiceApi {
-  final $pb.RpcClient _client;
-
-  ArbiterServiceApi(this._client);
-
-  $async.Future<$0.ClientResponse> client(
-          $pb.ClientContext? ctx, $0.ClientRequest request) =>
-      _client.invoke<$0.ClientResponse>(
-          ctx, 'ArbiterService', 'Client', request, $0.ClientResponse());
-  $async.Future<$1.UserAgentResponse> userAgent(
-          $pb.ClientContext? ctx, $1.UserAgentRequest request) =>
-      _client.invoke<$1.UserAgentResponse>(
-          ctx, 'ArbiterService', 'UserAgent', request, $1.UserAgentResponse());
-}
-
 const $core.bool _omitFieldNames =
     $core.bool.fromEnvironment('protobuf.omit_field_names');
 const $core.bool _omitMessageNames =

useragent/lib/proto/arbiter.pbgrpc.dart

@@ -0,0 +1,90 @@
+// This is a generated file - do not edit.
+//
+// Generated from arbiter.proto.
+
+// @dart = 3.3
+
+// ignore_for_file: annotate_overrides, camel_case_types, comment_references
+// ignore_for_file: constant_identifier_names
+// ignore_for_file: curly_braces_in_flow_control_structures
+// ignore_for_file: deprecated_member_use_from_same_package, library_prefixes
+// ignore_for_file: non_constant_identifier_names, prefer_relative_imports
+
+import 'dart:async' as $async;
+import 'dart:core' as $core;
+
+import 'package:grpc/service_api.dart' as $grpc;
+import 'package:protobuf/protobuf.dart' as $pb;
+
+import 'client.pb.dart' as $0;
+import 'user_agent.pb.dart' as $1;
+
+export 'arbiter.pb.dart';
+
+@$pb.GrpcServiceName('arbiter.ArbiterService')
+class ArbiterServiceClient extends $grpc.Client {
+  /// The hostname for this service.
+  static const $core.String defaultHost = '';
+
+  /// OAuth scopes needed for the client.
+  static const $core.List<$core.String> oauthScopes = [
+    '',
+  ];
+
+  ArbiterServiceClient(super.channel, {super.options, super.interceptors});
+
+  $grpc.ResponseStream<$0.ClientResponse> client(
+    $async.Stream<$0.ClientRequest> request, {
+    $grpc.CallOptions? options,
+  }) {
+    return $createStreamingCall(_$client, request, options: options);
+  }
+
+  $grpc.ResponseStream<$1.UserAgentResponse> userAgent(
+    $async.Stream<$1.UserAgentRequest> request, {
+    $grpc.CallOptions? options,
+  }) {
+    return $createStreamingCall(_$userAgent, request, options: options);
+  }
+
+  // method descriptors
+
+  static final _$client =
+      $grpc.ClientMethod<$0.ClientRequest, $0.ClientResponse>(
+          '/arbiter.ArbiterService/Client',
+          ($0.ClientRequest value) => value.writeToBuffer(),
+          $0.ClientResponse.fromBuffer);
+  static final _$userAgent =
+      $grpc.ClientMethod<$1.UserAgentRequest, $1.UserAgentResponse>(
+          '/arbiter.ArbiterService/UserAgent',
+          ($1.UserAgentRequest value) => value.writeToBuffer(),
+          $1.UserAgentResponse.fromBuffer);
+}
+
+@$pb.GrpcServiceName('arbiter.ArbiterService')
+abstract class ArbiterServiceBase extends $grpc.Service {
+  $core.String get $name => 'arbiter.ArbiterService';
+
+  ArbiterServiceBase() {
+    $addMethod($grpc.ServiceMethod<$0.ClientRequest, $0.ClientResponse>(
+        'Client',
+        client,
+        true,
+        true,
+        ($core.List<$core.int> value) => $0.ClientRequest.fromBuffer(value),
+        ($0.ClientResponse value) => value.writeToBuffer()));
+    $addMethod($grpc.ServiceMethod<$1.UserAgentRequest, $1.UserAgentResponse>(
+        'UserAgent',
+        userAgent,
+        true,
+        true,
+        ($core.List<$core.int> value) => $1.UserAgentRequest.fromBuffer(value),
+        ($1.UserAgentResponse value) => value.writeToBuffer()));
+  }
+
+  $async.Stream<$0.ClientResponse> client(
+      $grpc.ServiceCall call, $async.Stream<$0.ClientRequest> request);
+
+  $async.Stream<$1.UserAgentResponse> userAgent(
+      $grpc.ServiceCall call, $async.Stream<$1.UserAgentRequest> request);
+}

useragent/lib/proto/arbiter.pbjson.dart

@@ -15,15 +15,6 @@ import 'dart:convert' as $convert;
 import 'dart:core' as $core;
 import 'dart:typed_data' as $typed_data;
 
-import 'package:protobuf/well_known_types/google/protobuf/empty.pbjson.dart'
-    as $3;
-import 'package:protobuf/well_known_types/google/protobuf/timestamp.pbjson.dart'
-    as $4;
-
-import 'client.pbjson.dart' as $0;
-import 'evm.pbjson.dart' as $2;
-import 'user_agent.pbjson.dart' as $1;
-
 @$core.Deprecated('Use serverInfoDescriptor instead')
 const ServerInfo$json = {
   '1': 'ServerInfo',
@@ -37,88 +28,3 @@ const ServerInfo$json = {
 final $typed_data.Uint8List serverInfoDescriptor = $convert.base64Decode(
     'CgpTZXJ2ZXJJbmZvEhgKB3ZlcnNpb24YASABKAlSB3ZlcnNpb24SJgoPY2VydF9wdWJsaWNfa2'
     'V5GAIgASgMUg1jZXJ0UHVibGljS2V5');
-
-const $core.Map<$core.String, $core.dynamic> ArbiterServiceBase$json = {
-  '1': 'ArbiterService',
-  '2': [
-    {
-      '1': 'Client',
-      '2': '.arbiter.client.ClientRequest',
-      '3': '.arbiter.client.ClientResponse',
-      '5': true,
-      '6': true
-    },
-    {
-      '1': 'UserAgent',
-      '2': '.arbiter.user_agent.UserAgentRequest',
-      '3': '.arbiter.user_agent.UserAgentResponse',
-      '5': true,
-      '6': true
-    },
-  ],
-};
-
-@$core.Deprecated('Use arbiterServiceDescriptor instead')
-const $core.Map<$core.String, $core.Map<$core.String, $core.dynamic>>
-    ArbiterServiceBase$messageJson = {
-  '.arbiter.client.ClientRequest': $0.ClientRequest$json,
-  '.arbiter.client.AuthChallengeRequest': $0.AuthChallengeRequest$json,
-  '.arbiter.client.AuthChallengeSolution': $0.AuthChallengeSolution$json,
-  '.arbiter.client.ClientResponse': $0.ClientResponse$json,
-  '.arbiter.client.AuthChallenge': $0.AuthChallenge$json,
-  '.arbiter.client.AuthOk': $0.AuthOk$json,
-  '.arbiter.evm.EvmSignTransactionResponse': $2.EvmSignTransactionResponse$json,
-  '.arbiter.evm.TransactionEvalError': $2.TransactionEvalError$json,
-  '.google.protobuf.Empty': $3.Empty$json,
-  '.arbiter.evm.NoMatchingGrantError': $2.NoMatchingGrantError$json,
-  '.arbiter.evm.SpecificMeaning': $2.SpecificMeaning$json,
-  '.arbiter.evm.EtherTransferMeaning': $2.EtherTransferMeaning$json,
-  '.arbiter.evm.TokenTransferMeaning': $2.TokenTransferMeaning$json,
-  '.arbiter.evm.TokenInfo': $2.TokenInfo$json,
-  '.arbiter.evm.PolicyViolationsError': $2.PolicyViolationsError$json,
-  '.arbiter.evm.EvalViolation': $2.EvalViolation$json,
-  '.arbiter.evm.GasLimitExceededViolation': $2.GasLimitExceededViolation$json,
-  '.arbiter.evm.EvmAnalyzeTransactionResponse':
-      $2.EvmAnalyzeTransactionResponse$json,
-  '.arbiter.client.ClientConnectError': $0.ClientConnectError$json,
-  '.arbiter.user_agent.UserAgentRequest': $1.UserAgentRequest$json,
-  '.arbiter.user_agent.AuthChallengeRequest': $1.AuthChallengeRequest$json,
-  '.arbiter.user_agent.AuthChallengeSolution': $1.AuthChallengeSolution$json,
-  '.arbiter.user_agent.UnsealStart': $1.UnsealStart$json,
-  '.arbiter.user_agent.UnsealEncryptedKey': $1.UnsealEncryptedKey$json,
-  '.arbiter.evm.EvmGrantCreateRequest': $2.EvmGrantCreateRequest$json,
-  '.arbiter.evm.SharedSettings': $2.SharedSettings$json,
-  '.google.protobuf.Timestamp': $4.Timestamp$json,
-  '.arbiter.evm.TransactionRateLimit': $2.TransactionRateLimit$json,
-  '.arbiter.evm.SpecificGrant': $2.SpecificGrant$json,
-  '.arbiter.evm.EtherTransferSettings': $2.EtherTransferSettings$json,
-  '.arbiter.evm.VolumeRateLimit': $2.VolumeRateLimit$json,
-  '.arbiter.evm.TokenTransferSettings': $2.TokenTransferSettings$json,
-  '.arbiter.evm.EvmGrantDeleteRequest': $2.EvmGrantDeleteRequest$json,
-  '.arbiter.evm.EvmGrantListRequest': $2.EvmGrantListRequest$json,
-  '.arbiter.user_agent.ClientConnectionResponse':
-      $1.ClientConnectionResponse$json,
-  '.arbiter.user_agent.UserAgentResponse': $1.UserAgentResponse$json,
-  '.arbiter.user_agent.AuthChallenge': $1.AuthChallenge$json,
-  '.arbiter.user_agent.AuthOk': $1.AuthOk$json,
-  '.arbiter.user_agent.UnsealStartResponse': $1.UnsealStartResponse$json,
-  '.arbiter.evm.WalletCreateResponse': $2.WalletCreateResponse$json,
-  '.arbiter.evm.WalletEntry': $2.WalletEntry$json,
-  '.arbiter.evm.WalletListResponse': $2.WalletListResponse$json,
-  '.arbiter.evm.WalletList': $2.WalletList$json,
-  '.arbiter.evm.EvmGrantCreateResponse': $2.EvmGrantCreateResponse$json,
-  '.arbiter.evm.EvmGrantDeleteResponse': $2.EvmGrantDeleteResponse$json,
-  '.arbiter.evm.EvmGrantListResponse': $2.EvmGrantListResponse$json,
-  '.arbiter.evm.EvmGrantList': $2.EvmGrantList$json,
-  '.arbiter.evm.GrantEntry': $2.GrantEntry$json,
-  '.arbiter.user_agent.ClientConnectionRequest':
-      $1.ClientConnectionRequest$json,
-  '.arbiter.user_agent.ClientConnectionCancel': $1.ClientConnectionCancel$json,
-};
-
-/// Descriptor for `ArbiterService`. Decode as a `google.protobuf.ServiceDescriptorProto`.
-final $typed_data.Uint8List arbiterServiceDescriptor = $convert.base64Decode(
-    'Cg5BcmJpdGVyU2VydmljZRJLCgZDbGllbnQSHS5hcmJpdGVyLmNsaWVudC5DbGllbnRSZXF1ZX'
-    'N0Gh4uYXJiaXRlci5jbGllbnQuQ2xpZW50UmVzcG9uc2UoATABElwKCVVzZXJBZ2VudBIkLmFy'
-    'Yml0ZXIudXNlcl9hZ2VudC5Vc2VyQWdlbnRSZXF1ZXN0GiUuYXJiaXRlci51c2VyX2FnZW50Ll'
-    'VzZXJBZ2VudFJlc3BvbnNlKAEwAQ==');

useragent/lib/proto/arbiter.pbserver.dart

@@ -1,56 +0,0 @@
-// This is a generated file - do not edit.
-//
-// Generated from arbiter.proto.
-
-// @dart = 3.3
-
-// ignore_for_file: annotate_overrides, camel_case_types, comment_references
-// ignore_for_file: constant_identifier_names
-// ignore_for_file: curly_braces_in_flow_control_structures
-// ignore_for_file: deprecated_member_use_from_same_package, library_prefixes
-// ignore_for_file: non_constant_identifier_names, prefer_relative_imports
-
-import 'dart:async' as $async;
-import 'dart:core' as $core;
-
-import 'package:protobuf/protobuf.dart' as $pb;
-
-import 'arbiter.pbjson.dart';
-import 'client.pb.dart' as $0;
-import 'user_agent.pb.dart' as $1;
-
-export 'arbiter.pb.dart';
-
-abstract class ArbiterServiceBase extends $pb.GeneratedService {
-  $async.Future<$0.ClientResponse> client(
-      $pb.ServerContext ctx, $0.ClientRequest request);
-  $async.Future<$1.UserAgentResponse> userAgent(
-      $pb.ServerContext ctx, $1.UserAgentRequest request);
-
-  $pb.GeneratedMessage createRequest($core.String methodName) {
-    switch (methodName) {
-      case 'Client':
-        return $0.ClientRequest();
-      case 'UserAgent':
-        return $1.UserAgentRequest();
-      default:
-        throw $core.ArgumentError('Unknown method: $methodName');
-    }
-  }
-
-  $async.Future<$pb.GeneratedMessage> handleCall($pb.ServerContext ctx,
-      $core.String methodName, $pb.GeneratedMessage request) {
-    switch (methodName) {
-      case 'Client':
-        return client(ctx, request as $0.ClientRequest);
-      case 'UserAgent':
-        return userAgent(ctx, request as $1.UserAgentRequest);
-      default:
-        throw $core.ArgumentError('Unknown method: $methodName');
-    }
-  }
-
-  $core.Map<$core.String, $core.dynamic> get $json => ArbiterServiceBase$json;
-  $core.Map<$core.String, $core.Map<$core.String, $core.dynamic>>
-      get $messageJson => ArbiterServiceBase$messageJson;
-}

useragent/lib/proto/user_agent.pb.dart

@@ -26,10 +26,12 @@ class AuthChallengeRequest extends $pb.GeneratedMessage {
   factory AuthChallengeRequest({
     $core.List<$core.int>? pubkey,
     $core.String? bootstrapToken,
+    KeyType? keyType,
   }) {
     final result = create();
     if (pubkey != null) result.pubkey = pubkey;
     if (bootstrapToken != null) result.bootstrapToken = bootstrapToken;
+    if (keyType != null) result.keyType = keyType;
     return result;
   }
 
@@ -50,6 +52,8 @@ class AuthChallengeRequest extends $pb.GeneratedMessage {
     ..a<$core.List<$core.int>>(
         1, _omitFieldNames ? '' : 'pubkey', $pb.PbFieldType.OY)
     ..aOS(2, _omitFieldNames ? '' : 'bootstrapToken')
+    ..aE<KeyType>(3, _omitFieldNames ? '' : 'keyType',
+        enumValues: KeyType.values)
     ..hasRequiredFields = false;
 
   @$core.Deprecated('See https://github.com/google/protobuf.dart/issues/998.')
@@ -88,6 +92,15 @@ class AuthChallengeRequest extends $pb.GeneratedMessage {
   $core.bool hasBootstrapToken() => $_has(1);
   @$pb.TagNumber(2)
   void clearBootstrapToken() => $_clearField(2);
+
+  @$pb.TagNumber(3)
+  KeyType get keyType => $_getN(2);
+  @$pb.TagNumber(3)
+  set keyType(KeyType value) => $_setField(3, value);
+  @$pb.TagNumber(3)
+  $core.bool hasKeyType() => $_has(2);
+  @$pb.TagNumber(3)
+  void clearKeyType() => $_clearField(3);
 }
 
 class AuthChallenge extends $pb.GeneratedMessage {

useragent/lib/proto/user_agent.pbenum.dart

@@ -14,6 +14,31 @@ import 'dart:core' as $core;
 
 import 'package:protobuf/protobuf.dart' as $pb;
 
+class KeyType extends $pb.ProtobufEnum {
+  static const KeyType KEY_TYPE_UNSPECIFIED =
+      KeyType._(0, _omitEnumNames ? '' : 'KEY_TYPE_UNSPECIFIED');
+  static const KeyType KEY_TYPE_ED25519 =
+      KeyType._(1, _omitEnumNames ? '' : 'KEY_TYPE_ED25519');
+  static const KeyType KEY_TYPE_ECDSA_SECP256K1 =
+      KeyType._(2, _omitEnumNames ? '' : 'KEY_TYPE_ECDSA_SECP256K1');
+  static const KeyType KEY_TYPE_RSA =
+      KeyType._(3, _omitEnumNames ? '' : 'KEY_TYPE_RSA');
+
+  static const $core.List<KeyType> values = <KeyType>[
+    KEY_TYPE_UNSPECIFIED,
+    KEY_TYPE_ED25519,
+    KEY_TYPE_ECDSA_SECP256K1,
+    KEY_TYPE_RSA,
+  ];
+
+  static final $core.List<KeyType?> _byValue =
+      $pb.ProtobufEnum.$_initByValueList(values, 3);
+  static KeyType? valueOf($core.int value) =>
+      value < 0 || value >= _byValue.length ? null : _byValue[value];
+
+  const KeyType._(super.value, super.name);
+}
+
 class UnsealResult extends $pb.ProtobufEnum {
   static const UnsealResult UNSEAL_RESULT_UNSPECIFIED =
       UnsealResult._(0, _omitEnumNames ? '' : 'UNSEAL_RESULT_UNSPECIFIED');

useragent/lib/proto/user_agent.pbjson.dart

@@ -15,6 +15,22 @@ import 'dart:convert' as $convert;
 import 'dart:core' as $core;
 import 'dart:typed_data' as $typed_data;
 
+@$core.Deprecated('Use keyTypeDescriptor instead')
+const KeyType$json = {
+  '1': 'KeyType',
+  '2': [
+    {'1': 'KEY_TYPE_UNSPECIFIED', '2': 0},
+    {'1': 'KEY_TYPE_ED25519', '2': 1},
+    {'1': 'KEY_TYPE_ECDSA_SECP256K1', '2': 2},
+    {'1': 'KEY_TYPE_RSA', '2': 3},
+  ],
+};
+
+/// Descriptor for `KeyType`. Decode as a `google.protobuf.EnumDescriptorProto`.
+final $typed_data.Uint8List keyTypeDescriptor = $convert.base64Decode(
+    'CgdLZXlUeXBlEhgKFEtFWV9UWVBFX1VOU1BFQ0lGSUVEEAASFAoQS0VZX1RZUEVfRUQyNTUxOR'
+    'ABEhwKGEtFWV9UWVBFX0VDRFNBX1NFQ1AyNTZLMRACEhAKDEtFWV9UWVBFX1JTQRAD');
+
 @$core.Deprecated('Use unsealResultDescriptor instead')
 const UnsealResult$json = {
   '1': 'UnsealResult',
@@ -64,6 +80,14 @@ const AuthChallengeRequest$json = {
       '10': 'bootstrapToken',
       '17': true
     },
+    {
+      '1': 'key_type',
+      '3': 3,
+      '4': 1,
+      '5': 14,
+      '6': '.arbiter.user_agent.KeyType',
+      '10': 'keyType'
+    },
   ],
   '8': [
     {'1': '_bootstrap_token'},
@@ -73,8 +97,9 @@ const AuthChallengeRequest$json = {
 /// Descriptor for `AuthChallengeRequest`. Decode as a `google.protobuf.DescriptorProto`.
 final $typed_data.Uint8List authChallengeRequestDescriptor = $convert.base64Decode(
     'ChRBdXRoQ2hhbGxlbmdlUmVxdWVzdBIWCgZwdWJrZXkYASABKAxSBnB1YmtleRIsCg9ib290c3'
-    'RyYXBfdG9rZW4YAiABKAlIAFIOYm9vdHN0cmFwVG9rZW6IAQFCEgoQX2Jvb3RzdHJhcF90b2tl'
-    'bg==');
+    'RyYXBfdG9rZW4YAiABKAlIAFIOYm9vdHN0cmFwVG9rZW6IAQESNgoIa2V5X3R5cGUYAyABKA4y'
+    'Gy5hcmJpdGVyLnVzZXJfYWdlbnQuS2V5VHlwZVIHa2V5VHlwZUISChBfYm9vdHN0cmFwX3Rva2'
+    'Vu');
 
 @$core.Deprecated('Use authChallengeDescriptor instead')
 const AuthChallenge$json = {

useragent/lib/providers/connection/bootstrap_token.dart

@@ -0,0 +1,22 @@
+
+
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'bootstrap_token.g.dart';
+
+@Riverpod(keepAlive: true)
+class BootstrapToken extends _$BootstrapToken {
+  String? build() {
+    return null;
+  }
+
+  void set(String token) {
+    state = token;
+  }
+
+  String? take() {
+    final token = state;
+    state = null;
+    return token;
+  }
+}

useragent/lib/providers/connection/bootstrap_token.g.dart

@@ -0,0 +1,62 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'bootstrap_token.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint, type=warning
+
+@ProviderFor(BootstrapToken)
+final bootstrapTokenProvider = BootstrapTokenProvider._();
+
+final class BootstrapTokenProvider
+    extends $NotifierProvider<BootstrapToken, String?> {
+  BootstrapTokenProvider._()
+    : super(
+        from: null,
+        argument: null,
+        retry: null,
+        name: r'bootstrapTokenProvider',
+        isAutoDispose: false,
+        dependencies: null,
+        $allTransitiveDependencies: null,
+      );
+
+  @override
+  String debugGetCreateSourceHash() => _$bootstrapTokenHash();
+
+  @$internal
+  @override
+  BootstrapToken create() => BootstrapToken();
+
+  /// {@macro riverpod.override_with_value}
+  Override overrideWithValue(String? value) {
+    return $ProviderOverride(
+      origin: this,
+      providerOverride: $SyncValueProvider<String?>(value),
+    );
+  }
+}
+
+String _$bootstrapTokenHash() => r'a59e679ab0561ed2ab4148660499891571d439db';
+
+abstract class _$BootstrapToken extends $Notifier<String?> {
+  String? build();
+  @$mustCallSuper
+  @override
+  void runBuild() {
+    final ref = this.ref as $Ref<String?, String?>;
+    final element =
+        ref.element
+            as $ClassProviderElement<
+              AnyNotifier<String?, String?>,
+              String?,
+              Object?,
+              Object?
+            >;
+    element.handleCreate(ref, build);
+  }
+}

useragent/lib/providers/connection/connection_manager.dart

@@ -0,0 +1,39 @@
+import 'package:arbiter/features/connection/connection.dart';
+import 'package:arbiter/providers/connection/bootstrap_token.dart';
+import 'package:arbiter/providers/key.dart';
+import 'package:arbiter/providers/server_info.dart';
+import 'package:mtcore/markettakers.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'connection_manager.g.dart';
+
+@Riverpod(keepAlive: true)
+class ConnectionManager extends _$ConnectionManager {
+  @override
+  Future<Connection?> build() async {
+    final serverInfo = await ref.watch(serverInfoProvider.future);
+    final key = await ref.watch(keyProvider.future);
+    final token = ref.watch(bootstrapTokenProvider);
+
+    if (serverInfo == null || key == null) {
+      return null;
+    }
+    final Connection connection;
+    try {
+       connection = await connectAndAuthorize(serverInfo, key, bootstrapToken: token);
+    } catch (e) {
+      talker.handle(e);
+      rethrow;
+    }
+    
+
+    ref.onDispose(() {
+      final connection = state.asData?.value;
+      if (connection != null) {
+        connection.close();
+      }
+    });
+
+    return connection;
+  }
+}

useragent/lib/providers/connection/connection_manager.g.dart

@@ -0,0 +1,54 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'connection_manager.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint, type=warning
+
+@ProviderFor(ConnectionManager)
+final connectionManagerProvider = ConnectionManagerProvider._();
+
+final class ConnectionManagerProvider
+    extends $AsyncNotifierProvider<ConnectionManager, Connection?> {
+  ConnectionManagerProvider._()
+    : super(
+        from: null,
+        argument: null,
+        retry: null,
+        name: r'connectionManagerProvider',
+        isAutoDispose: false,
+        dependencies: null,
+        $allTransitiveDependencies: null,
+      );
+
+  @override
+  String debugGetCreateSourceHash() => _$connectionManagerHash();
+
+  @$internal
+  @override
+  ConnectionManager create() => ConnectionManager();
+}
+
+String _$connectionManagerHash() => r'8923346dff75a9a06127c71a0a39ca65d9733d8c';
+
+abstract class _$ConnectionManager extends $AsyncNotifier<Connection?> {
+  FutureOr<Connection?> build();
+  @$mustCallSuper
+  @override
+  void runBuild() {
+    final ref = this.ref as $Ref<AsyncValue<Connection?>, Connection?>;
+    final element =
+        ref.element
+            as $ClassProviderElement<
+              AnyNotifier<AsyncValue<Connection?>, Connection?>,
+              AsyncValue<Connection?>,
+              Object?,
+              Object?
+            >;
+    element.handleCreate(ref, build);
+  }
+}

useragent/lib/providers/key.dart

@@ -1,7 +1,7 @@
 import 'package:mtcore/markettakers.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
-import 'package:arbiter/features/pk_manager.dart';
-import 'package:arbiter/features/simple_ed25519.dart';
+import 'package:arbiter/features/identity/pk_manager.dart';
+import 'package:arbiter/features/identity/simple_ed25519.dart';
 
 part 'key.g.dart';
 

useragent/lib/providers/server_info.dart

@@ -1,4 +1,4 @@
-import 'package:arbiter/features/server_info_storage.dart';
+import 'package:arbiter/features/connection/server_info_storage.dart';
 import 'package:cryptography/cryptography.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 

useragent/lib/router.dart

@@ -8,6 +8,7 @@ class Router extends RootStackRouter {
   List<AutoRoute> get routes => [
     AutoRoute(page: Bootstrap.page, path: '/bootstrap', initial: true),
     AutoRoute(page: ServerInfoSetupRoute.page, path: '/server-info'),
+    AutoRoute(page: ServerConnectionRoute.page, path: '/server-connection'),
 
     AutoRoute(
       page: DashboardRouter.page,

useragent/lib/router.gr.dart

@@ -13,18 +13,20 @@ import 'package:arbiter/screens/bootstrap.dart' as _i2;
 import 'package:arbiter/screens/dashboard.dart' as _i4;
 import 'package:arbiter/screens/dashboard/about.dart' as _i1;
 import 'package:arbiter/screens/dashboard/calc.dart' as _i3;
-import 'package:arbiter/screens/server_info_setup.dart' as _i5;
-import 'package:auto_route/auto_route.dart' as _i6;
+import 'package:arbiter/screens/server_connection.dart' as _i5;
+import 'package:arbiter/screens/server_info_setup.dart' as _i6;
+import 'package:auto_route/auto_route.dart' as _i7;
+import 'package:flutter/material.dart' as _i8;
 
 /// generated route for
 /// [_i1.AboutScreen]
-class AboutRoute extends _i6.PageRouteInfo<void> {
-  const AboutRoute({List<_i6.PageRouteInfo>? children})
+class AboutRoute extends _i7.PageRouteInfo<void> {
+  const AboutRoute({List<_i7.PageRouteInfo>? children})
     : super(AboutRoute.name, initialChildren: children);
 
   static const String name = 'AboutRoute';
 
-  static _i6.PageInfo page = _i6.PageInfo(
+  static _i7.PageInfo page = _i7.PageInfo(
     name,
     builder: (data) {
       return const _i1.AboutScreen();
@@ -34,13 +36,13 @@ class AboutRoute extends _i6.PageRouteInfo<void> {
 
 /// generated route for
 /// [_i2.Bootstrap]
-class Bootstrap extends _i6.PageRouteInfo<void> {
-  const Bootstrap({List<_i6.PageRouteInfo>? children})
+class Bootstrap extends _i7.PageRouteInfo<void> {
+  const Bootstrap({List<_i7.PageRouteInfo>? children})
     : super(Bootstrap.name, initialChildren: children);
 
   static const String name = 'Bootstrap';
 
-  static _i6.PageInfo page = _i6.PageInfo(
+  static _i7.PageInfo page = _i7.PageInfo(
     name,
     builder: (data) {
       return const _i2.Bootstrap();
@@ -50,13 +52,13 @@ class Bootstrap extends _i6.PageRouteInfo<void> {
 
 /// generated route for
 /// [_i3.CalcScreen]
-class CalcRoute extends _i6.PageRouteInfo<void> {
-  const CalcRoute({List<_i6.PageRouteInfo>? children})
+class CalcRoute extends _i7.PageRouteInfo<void> {
+  const CalcRoute({List<_i7.PageRouteInfo>? children})
     : super(CalcRoute.name, initialChildren: children);
 
   static const String name = 'CalcRoute';
 
-  static _i6.PageInfo page = _i6.PageInfo(
+  static _i7.PageInfo page = _i7.PageInfo(
     name,
     builder: (data) {
       return const _i3.CalcScreen();
@@ -66,13 +68,13 @@ class CalcRoute extends _i6.PageRouteInfo<void> {
 
 /// generated route for
 /// [_i4.DashboardRouter]
-class DashboardRouter extends _i6.PageRouteInfo<void> {
-  const DashboardRouter({List<_i6.PageRouteInfo>? children})
+class DashboardRouter extends _i7.PageRouteInfo<void> {
+  const DashboardRouter({List<_i7.PageRouteInfo>? children})
     : super(DashboardRouter.name, initialChildren: children);
 
   static const String name = 'DashboardRouter';
 
-  static _i6.PageInfo page = _i6.PageInfo(
+  static _i7.PageInfo page = _i7.PageInfo(
     name,
     builder: (data) {
       return const _i4.DashboardRouter();
@@ -81,17 +83,70 @@ class DashboardRouter extends _i6.PageRouteInfo<void> {
 }
 
 /// generated route for
-/// [_i5.ServerInfoSetupScreen]
-class ServerInfoSetupRoute extends _i6.PageRouteInfo<void> {
-  const ServerInfoSetupRoute({List<_i6.PageRouteInfo>? children})
+/// [_i5.ServerConnectionScreen]
+class ServerConnectionRoute
+    extends _i7.PageRouteInfo<ServerConnectionRouteArgs> {
+  ServerConnectionRoute({
+    _i8.Key? key,
+    String? arbiterUrl,
+    List<_i7.PageRouteInfo>? children,
+  }) : super(
+         ServerConnectionRoute.name,
+         args: ServerConnectionRouteArgs(key: key, arbiterUrl: arbiterUrl),
+         initialChildren: children,
+       );
+
+  static const String name = 'ServerConnectionRoute';
+
+  static _i7.PageInfo page = _i7.PageInfo(
+    name,
+    builder: (data) {
+      final args = data.argsAs<ServerConnectionRouteArgs>(
+        orElse: () => const ServerConnectionRouteArgs(),
+      );
+      return _i5.ServerConnectionScreen(
+        key: args.key,
+        arbiterUrl: args.arbiterUrl,
+      );
+    },
+  );
+}
+
+class ServerConnectionRouteArgs {
+  const ServerConnectionRouteArgs({this.key, this.arbiterUrl});
+
+  final _i8.Key? key;
+
+  final String? arbiterUrl;
+
+  @override
+  String toString() {
+    return 'ServerConnectionRouteArgs{key: $key, arbiterUrl: $arbiterUrl}';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+    if (other is! ServerConnectionRouteArgs) return false;
+    return key == other.key && arbiterUrl == other.arbiterUrl;
+  }
+
+  @override
+  int get hashCode => key.hashCode ^ arbiterUrl.hashCode;
+}
+
+/// generated route for
+/// [_i6.ServerInfoSetupScreen]
+class ServerInfoSetupRoute extends _i7.PageRouteInfo<void> {
+  const ServerInfoSetupRoute({List<_i7.PageRouteInfo>? children})
     : super(ServerInfoSetupRoute.name, initialChildren: children);
 
   static const String name = 'ServerInfoSetupRoute';
 
-  static _i6.PageInfo page = _i6.PageInfo(
+  static _i7.PageInfo page = _i7.PageInfo(
     name,
     builder: (data) {
-      return const _i5.ServerInfoSetupScreen();
+      return const _i6.ServerInfoSetupScreen();
     },
   );
 }

useragent/lib/screens/server_connection.dart

@@ -0,0 +1,60 @@
+import 'package:arbiter/providers/connection/connection_manager.dart';
+import 'package:arbiter/router.gr.dart';
+import 'package:auto_route/auto_route.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_hooks/flutter_hooks.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:sizer/sizer.dart';
+
+@RoutePage()
+class ServerConnectionScreen extends HookConsumerWidget {
+  const ServerConnectionScreen({super.key, this.arbiterUrl});
+
+  final String? arbiterUrl;
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final connectionState = ref.watch(connectionManagerProvider);
+
+    if (connectionState.value != null) {
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        context.router.replace(const DashboardRouter());
+      });
+    }
+
+    final body = switch (connectionState) {
+      AsyncLoading() => const CircularProgressIndicator(),
+      AsyncError(:final error) => Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Text(
+            'Connection failed',
+            style: Theme.of(context).textTheme.headlineSmall,
+            textAlign: TextAlign.center,
+          ),
+          SizedBox(height: 1.5.h),
+          Text('$error', textAlign: TextAlign.center),
+          SizedBox(height: 2.h),
+
+          TextButton(
+            onPressed: () {
+              context.router.replace(const ServerInfoSetupRoute());
+            },
+            child: const Text('Back to server setup'),
+          ),
+        ],
+      ),
+      _ => const CircularProgressIndicator(),
+    };
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('Connecting')),
+      body: Center(
+        child: Padding(
+          padding: EdgeInsets.symmetric(horizontal: 8.w),
+          child: body,
+        ),
+      ),
+    );
+  }
+}

useragent/lib/screens/server_info_setup.dart

@@ -1,5 +1,6 @@
-import 'package:arbiter/features/arbiter_url.dart';
-import 'package:arbiter/features/server_info_storage.dart';
+import 'package:arbiter/features/connection/arbiter_url.dart';
+import 'package:arbiter/features/connection/server_info_storage.dart';
+import 'package:arbiter/providers/connection/bootstrap_token.dart';
 import 'package:arbiter/providers/server_info.dart';
 import 'package:arbiter/router.gr.dart';
 import 'package:auto_route/auto_route.dart';
@@ -25,7 +26,7 @@ class ServerInfoSetupScreen extends HookConsumerWidget {
       if (serverInfo != null) {
         WidgetsBinding.instance.addPostFrameCallback((_) {
           if (context.mounted) {
-            context.router.replace(const DashboardRouter());
+            context.router.replace(ServerConnectionRoute());
           }
         });
       }
@@ -38,6 +39,14 @@ class ServerInfoSetupScreen extends HookConsumerWidget {
 
       try {
         final arbiterUrl = ArbiterUrl.parse(controller.text.trim());
+
+        // set token before triggering reconnection by updating server info
+        if (arbiterUrl.bootstrapToken != null) {
+          ref
+              .read(bootstrapTokenProvider.notifier)
+              .set(arbiterUrl.bootstrapToken!);
+        }
+
         await ref
             .read(serverInfoProvider.notifier)
             .save(
@@ -47,7 +56,9 @@ class ServerInfoSetupScreen extends HookConsumerWidget {
             );
 
         if (context.mounted) {
-          context.router.replace(const DashboardRouter());
+          context.router.replace(
+            ServerConnectionRoute(arbiterUrl: controller.text.trim()),
+          );
         }
       } on FormatException catch (error) {
         errorText.value = error.message;
@@ -94,13 +105,15 @@ class ServerInfoSetupScreen extends HookConsumerWidget {
           final options = [
             const _OptionCard(
               title: 'Local',
-              subtitle: 'Will start and connect to a local service in a future update.',
+              subtitle:
+                  'Will start and connect to a local service in a future update.',
               enabled: false,
               child: SizedBox.shrink(),
             ),
             _OptionCard(
               title: 'Remote',
-              subtitle: 'Paste an Arbiter URL to store the server address, port, and CA fingerprint.',
+              subtitle:
+                  'Paste an Arbiter URL to store the server address, port, and CA fingerprint.',
               child: _RemoteConnectionForm(
                 controller: controller,
                 errorText: errorText.value,
@@ -271,10 +284,7 @@ class _OptionCard extends StatelessWidget {
               ),
               SizedBox(height: 1.h),
               Text(subtitle, style: theme.textTheme.bodyMedium),
-              if (enabled) ...[
-                SizedBox(height: 2.h),
-                child,
-              ],
+              if (enabled) ...[SizedBox(height: 2.h), child],
             ],
           ),
         ),

useragent/macos/Runner/DebugProfile.entitlements

@@ -4,5 +4,7 @@
 <dict>
 	<key>keychain-access-groups</key>
 	<array/>
+	<key>com.apple.security.network.client</key>
+    <true/>
 </dict>
 </plist>

useragent/macos/Runner/Release.entitlements

@@ -6,5 +6,7 @@
 	<true/>
 	<key>keychain-access-groups</key>
 	<array/>
+	<key>com.apple.security.network.client</key>
+    <true/>
 </dict>
 </plist>

useragent/pubspec.lock

@@ -218,7 +218,7 @@ packages:
     source: hosted
     version: "0.3.5+2"
   crypto:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: crypto
       sha256: c8ea0233063ba03258fbcf2ca4d6dadfefe14f02fab57702265467a19f27fadf
@@ -401,8 +401,16 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  freezed:
+    dependency: "direct dev"
+    description:
+      name: freezed
+      sha256: "13065f10e135263a4f5a4391b79a8efc5fb8106f8dd555a9e49b750b45393d77"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.3"
   freezed_annotation:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: freezed_annotation
       sha256: "7294967ff0a6d98638e7acb774aac3af2550777accd8149c90af5b014e6d44d8"
@@ -538,13 +546,21 @@ packages:
     source: hosted
     version: "0.7.2"
   json_annotation:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: json_annotation
-      sha256: cb09e7dac6210041fad964ed7fbee004f14258b4eca4040f72d1234062ace4c8
+      sha256: "1ce844379ca14835a50d2f019a3099f419082cfdd231cd86a142af94dd5c6bb1"
       url: "https://pub.dev"
     source: hosted
-    version: "4.11.0"
+    version: "4.9.0"
+  json_serializable:
+    dependency: "direct dev"
+    description:
+      name: json_serializable
+      sha256: c5b2ee75210a0f263c6c7b9eeea80553dbae96ea1bf57f02484e806a3ffdffa3
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.11.2"
   leak_tracker:
     dependency: transitive
     description:
@@ -918,6 +934,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.2.1"
+  source_helper:
+    dependency: transitive
+    description:
+      name: source_helper
+      sha256: "6a3c6cc82073a8797f8c4dc4572146114a39652851c157db37e964d9c7038723"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.8"
   source_map_stack_trace:
     dependency: transitive
     description:

useragent/pubspec.yaml

@@ -22,6 +22,7 @@ dependencies:
     hosted: https://git.markettakers.org/api/packages/MarketTakers/pub/
     version: ^1.0.6
   cryptography: ^2.9.0
+  crypto: ^3.0.6
   flutter_secure_storage: ^10.0.0
   cryptography_flutter: ^2.3.4
   riverpod_annotation: ^4.0.0
@@ -30,6 +31,8 @@ dependencies:
   flutter_hooks: ^0.21.3+1
   auto_route: ^11.1.0
   protobuf: ^6.0.0
+  freezed_annotation: ^3.1.0
+  json_annotation: ^4.9.0
 
 dev_dependencies:
   flutter_test:
@@ -39,6 +42,8 @@ dev_dependencies:
   riverpod_generator: ^4.0.0+1
   build_runner: ^2.12.2
   auto_route_generator: ^10.4.0
+  freezed: ^3.2.3
+  json_serializable: ^6.11.2
 
 flutter:
   uses-material-design: true