feat: add cardano

lib/models/isar/models/blockchain_data/address.dart

@@ -165,7 +165,8 @@ enum AddressType {
   tezos,
   frostMS,
   p2tr,
-  solana;
+  solana,
+  cardanoShelley;
 
   String get readableName {
     switch (this) {
@@ -201,6 +202,8 @@ enum AddressType {
         return "Solana";
       case AddressType.p2tr:
         return "P2TR (taproot)";
+      case AddressType.cardanoShelley:
+        return "Cardano Shelley";
     }
   }
 }

lib/pages/add_wallet_views/new_wallet_recovery_phrase_warning_view/new_wallet_recovery_phrase_warning_view.dart

@@ -12,6 +12,8 @@ import 'dart:async';
 import 'dart:convert';
 
 import 'package:bip39/bip39.dart' as bip39;
+import 'package:blockchain_utils/bip/bip/bip39/bip39_mnemonic.dart';
+import 'package:blockchain_utils/bip/bip/bip39/bip39_mnemonic_generator.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:flutter_svg/flutter_svg.dart';
@@ -560,6 +562,8 @@ class _NewWalletRecoveryPhraseWarningViewState
                                             wordCount = info
                                                 .coin.defaultSeedPhraseLength;
 
+                                            // TODO: Refactor these to generate each coin in their respective classes
+                                            // This code should not be in a random view page file
                                             if (coin is Monero ||
                                                 coin is Wownero) {
                                               // currently a special case due to the

lib/services/price.dart

@@ -30,6 +30,7 @@ class PriceAPI {
     BitcoinFrost: "bitcoin",
     Litecoin: "litecoin",
     Bitcoincash: "bitcoin-cash",
+    Cardano: "cardano",
     Dash: "dash",
     Dogecoin: "dogecoin",
     Epiccash: "epic-cash",

lib/utilities/enums/derive_path_type_enum.dart

@@ -18,7 +18,8 @@ enum DerivePathType {
   eth,
   eCash44,
   solana,
-  bip86;
+  bip86,
+  cardanoShelley;
 
   AddressType getAddressType() {
     switch (this) {
@@ -41,6 +42,9 @@ enum DerivePathType {
 
       case DerivePathType.bip86:
         return AddressType.p2tr;
+
+      case DerivePathType.cardanoShelley:
+        return AddressType.cardanoShelley;
     }
   }
 }

lib/utilities/test_node_connection.dart

@@ -4,11 +4,14 @@ import 'dart:io';
 
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:on_chain/ada/ada.dart';
+import 'package:on_chain/ada/src/provider/provider/provider.dart';
 
 import '../networking/http.dart';
 import '../pages/settings_views/global_settings_view/manage_nodes_views/add_edit_node_view.dart';
 import '../providers/global/prefs_provider.dart';
 import '../services/tor_service.dart';
+import '../wallets/api/cardano/blockfrost_http_provider.dart';
 import '../wallets/api/tezos/tezos_rpc_api.dart';
 import '../wallets/crypto_currency/crypto_currency.dart';
 import '../wallets/crypto_currency/interfaces/electrumx_currency_interface.dart';
@@ -107,7 +110,9 @@ Future<bool> testNodeConnection({
 
     case CryptonoteCurrency():
       try {
-        final proxyInfo = ref.read(prefsChangeNotifierProvider).useTor
+        final proxyInfo = ref
+            .read(prefsChangeNotifierProvider)
+            .useTor
             ? ref.read(pTorService).getProxyInfo()
             : null;
 
@@ -180,7 +185,7 @@ Future<bool> testNodeConnection({
     case Stellar():
       try {
         testPassed =
-            await testStellarNodeConnection(formData.host!, formData.port!);
+        await testStellarNodeConnection(formData.host!, formData.port!);
       } catch (_) {}
       break;
 
@@ -196,7 +201,9 @@ Future<bool> testNodeConnection({
               "action": "version",
             },
           ),
-          proxyInfo: ref.read(prefsChangeNotifierProvider).useTor
+          proxyInfo: ref
+              .read(prefsChangeNotifierProvider)
+              .useTor
               ? ref.read(pTorService).getProxyInfo()
               : null,
         );
@@ -233,6 +240,29 @@ Future<bool> testNodeConnection({
         testPassed = false;
       }
       break;
+
+    case Cardano():
+      try {
+        final blockfrostProvider = BlockforestProvider(
+          BlockfrostHttpProvider(
+            url: "${formData.host!}:${formData.port!}/api/v0",
+          ),
+        );
+
+        final health = await blockfrostProvider.request(
+          BlockfrostRequestBackendHealthStatus(),
+        );
+
+        Logging.instance.log(
+          "Cardano testNodeConnection \"health=$health\"",
+          level: LogLevel.Info,
+        );
+
+        return health;
+      } catch (_) {
+        testPassed = false;
+      }
+      break;
   }
 
   return testPassed;

lib/wallets/api/cardano/blockfrost_http_provider.dart

@@ -0,0 +1,51 @@
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+import 'package:on_chain/ada/src/provider/blockfrost/core/core.dart';
+import 'package:on_chain/ada/src/provider/service/service.dart';
+
+import '../../../utilities/logger.dart';
+
+class BlockfrostHttpProvider implements BlockfrostServiceProvider {
+  BlockfrostHttpProvider(
+      {required this.url,
+        this.version = "v0",
+        this.projectId,
+        http.Client? client,
+        this.defaultRequestTimeout = const Duration(seconds: 30)})
+      : client = client ?? http.Client();
+  @override
+  final String url;
+  final String version;
+  final String? projectId;
+  final http.Client client;
+  final Duration defaultRequestTimeout;
+
+  @override
+  Future<dynamic> get(BlockforestRequestDetails params,
+      [Duration? timeout]) async {
+    final response =
+    await client.get(Uri.parse(params.url(url, "api/$version")), headers: {
+      'Content-Type': 'application/json',
+      "Accept": "application/json",
+      if (projectId != null) ...{"project_id": projectId!},
+    }).timeout(timeout ?? defaultRequestTimeout);
+    final data = json.decode(response.body);
+    return data;
+  }
+
+  @override
+  Future<dynamic> post(BlockforestRequestDetails params,
+      [Duration? timeout]) async {
+    final response = await client
+        .post(Uri.parse(params.url(url, "api/$version")),
+        headers: {
+          "Accept": "application/json",
+          if (projectId != null) ...{"project_id": projectId!},
+          ...params.header
+        },
+        body: params.body)
+        .timeout(timeout ?? defaultRequestTimeout);
+    final data = json.decode(response.body);
+    return data;
+  }
+}

lib/wallets/crypto_currency/coins/cardano.dart

@@ -0,0 +1,123 @@
+import '../../../models/isar/models/blockchain_data/address.dart';
+import '../../../models/node_model.dart';
+import '../../../utilities/default_nodes.dart';
+import '../../../utilities/enums/derive_path_type_enum.dart';
+import '../crypto_currency.dart';
+import '../intermediate/bip39_currency.dart';
+
+class Cardano extends Bip39Currency {
+  Cardano(super.network) {
+    _idMain = "cardano";
+    _uriScheme = "cardano";
+    switch (network) {
+      case CryptoCurrencyNetwork.main:
+        _id = _idMain;
+        _name = "Cardano";
+        _ticker = "ADA";
+      default:
+        throw Exception("Unsupported network: $network");
+    }
+  }
+
+  late final String _id;
+
+  @override
+  String get identifier => _id;
+
+  late final String _idMain;
+
+  @override
+  String get mainNetId => _idMain;
+
+  late final String _name;
+
+  @override
+  String get prettyName => _name;
+
+  late final String _uriScheme;
+
+  @override
+  String get uriScheme => _uriScheme;
+
+  late final String _ticker;
+
+  @override
+  String get ticker => _ticker;
+
+  @override
+  AddressType get defaultAddressType => AddressType.cardanoShelley;
+
+  @override
+  Uri defaultBlockExplorer(String txid) {
+    switch (network) {
+      case CryptoCurrencyNetwork.main:
+        return Uri.parse(
+            "https://explorer.cardano.org/en/transaction?id=$txid");
+      default:
+        throw Exception(
+          "Unsupported network for defaultBlockExplorer(): $network",
+        );
+    }
+  }
+
+  @override
+  DerivePathType get defaultDerivePathType => DerivePathType.cardanoShelley;
+
+  @override
+  NodeModel get defaultNode {
+    switch (network) {
+      case CryptoCurrencyNetwork.main:
+        return NodeModel(
+          host: "https://cardano.stackwallet.com",
+          port: 443,
+          name: DefaultNodes.defaultName,
+          id: DefaultNodes.buildId(this),
+          useSSL: true,
+          enabled: true,
+          coinName: identifier,
+          isFailover: true,
+          isDown: false,
+        );
+
+      default:
+        throw Exception("Unsupported network: $network");
+    }
+  }
+
+  @override
+  int get defaultSeedPhraseLength => 15;
+
+  @override
+  int get fractionDigits => 6;
+
+  @override
+  String get genesisHash => "f0f7892b5c333cffc4b3c4344de48af4cc63f55e44936196f365a9ef2244134f";
+
+  @override
+  bool get hasBuySupport => false;
+
+  @override
+  bool get hasMnemonicPassphraseSupport => false;
+
+  @override
+  int get minConfirms => 2;
+
+  @override
+  List<int> get possibleMnemonicLengths => [defaultSeedPhraseLength];
+
+  @override
+  BigInt get satsPerCoin => BigInt.from(1000000);
+
+  @override
+  int get targetBlockTimeSeconds => 20;
+
+  @override
+  bool validateAddress(String address) {
+    switch (network) {
+      case CryptoCurrencyNetwork.main:
+        return RegExp(r"^addr1[0-9a-zA-Z]{98}$").hasMatch(address);
+      default:
+        throw Exception("Unsupported network: $network");
+    }
+  }
+}

lib/wallets/crypto_currency/crypto_currency.dart

@@ -6,6 +6,7 @@ export 'coins/banano.dart';
 export 'coins/bitcoin.dart';
 export 'coins/bitcoin_frost.dart';
 export 'coins/bitcoincash.dart';
+export 'coins/cardano.dart';
 export 'coins/dash.dart';
 export 'coins/dogecoin.dart';
 export 'coins/ecash.dart';