polygonid-flutter-sdk/lib/sdk/polygon_id_sdk.dart at develop · IsinBlockchainTeam/polygonid-flutter-sdk · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
import 'dart:convert';

import 'package:flutter/cupertino.dart';
import 'package:hive_flutter/hive_flutter.dart';
import 'package:polygonid_flutter_sdk/common/domain/domain_logger.dart';
import 'package:polygonid_flutter_sdk/common/domain/entities/chain_config_entity.dart';
import 'package:polygonid_flutter_sdk/common/domain/entities/env_entity.dart';
import 'package:polygonid_flutter_sdk/common/domain/repositories/config_repository.dart';
import 'package:polygonid_flutter_sdk/common/domain/use_cases/get_env_use_case.dart';
import 'package:polygonid_flutter_sdk/common/domain/use_cases/get_selected_chain_use_case.dart';
import 'package:polygonid_flutter_sdk/common/domain/use_cases/set_env_use_case.dart';
import 'package:polygonid_flutter_sdk/common/domain/use_cases/set_selected_chain_use_case.dart';
import 'package:polygonid_flutter_sdk/sdk/di/injector.dart';
import 'package:polygonid_flutter_sdk/sdk/error_handling.dart';
import 'package:polygonid_flutter_sdk/sdk/polygonid_flutter_channel.dart';

import 'credential.dart';
import 'iden3comm.dart';
import 'identity.dart';
import 'proof.dart';

class PolygonIsSdkNotInitializedException implements Exception {
  String message;

  PolygonIsSdkNotInitializedException(this.message);
}

class PolygonIdSdk {
  static PolygonIdSdk? _ref;

  static PolygonIdSdk get I {
    if (_ref == null) {
      throw PolygonIsSdkNotInitializedException(
          "The PolygonID SDK has not been initialized,"
          "please call and await PolygonIdSDK.init()");
    }

    return _ref!;
  }

  static Future<void> init({EnvEntity? env}) async {
    // As [PolygonIdSdk] uses path_provider plugin, we need to ensure the
    // platform is initialized
    WidgetsFlutterBinding.ensureInitialized();

    String? stacktraceEncryptionKey = env?.stacktraceEncryptionKey;
    if (stacktraceEncryptionKey != null &&
        stacktraceEncryptionKey.isNotEmpty &&
        utf8.encode(stacktraceEncryptionKey).length == 32) {
      await Hive.initFlutter();
      await Hive.openBox(
        'stacktrace',
        encryptionCipher: HiveAesCipher(utf8.encode(stacktraceEncryptionKey)),
      );
    }

    // Init injection
    await configureInjection();
    await getItSdk.allReady();

    // Set env
    if (env != null) {
      await getItSdk
          .getAsync<SetEnvUseCase>()
          .then((instance) => instance.execute(param: env));
    }
    if (env?.chainConfigs.entries.isNotEmpty ?? false) {
      await getItSdk.getAsync<SetSelectedChainUseCase>().then(
          (instance) => instance.execute(param: env!.chainConfigs.keys.first));
    }

    // SDK singleton
    _ref = PolygonIdSdk._();
    _ref!.identity = await getItSdk.getAsync<Identity>();
    _ref!.credential = await getItSdk.getAsync<Credential>();
    _ref!.proof = await getItSdk.getAsync<Proof>();
    _ref!.iden3comm = await getItSdk.getAsync<Iden3comm>();
    _ref!.errorHandling = getItSdk.get<ErrorHandling>();

    // Channel
    getItSdk<PolygonIdFlutterChannel>();

    // Logging
    Domain.logger = getItSdk<PolygonIdSdkLogger>();
  }

  late Identity identity;
  late Credential credential;
  late Proof proof;
  late Iden3comm iden3comm;
  late ErrorHandling errorHandling;

  PolygonIdSdk._();

  Future<void> setEnv({required EnvEntity env}) {
    return getItSdk
        .getAsync<SetEnvUseCase>()
        .then((instance) => instance.execute(param: env));
  }

  Future<EnvEntity> getEnv() {
    return getItSdk
        .getAsync<GetEnvUseCase>()
        .then((instance) => instance.execute());
  }

  Future<ChainConfigEntity> getSelectedChain() {
    return getItSdk
        .getAsync<GetSelectedChainUseCase>()
        .then((instance) => instance.execute());
  }

  Future<String?> getSelectedChainId() {
    return getItSdk
        .getAsync<ConfigRepository>()
        .then((instance) => instance.getSelectedChainId());
  }

  Future<void> setSelectedChain({required String chainConfigId}) {
    return getItSdk
        .getAsync<SetSelectedChainUseCase>()
        .then((instance) => instance.execute(param: chainConfigId));
  }

  Future<void> switchLog({required bool enabled}) async {
    Domain.logEnabled = enabled;
  }
}