feat: total tor support for cardano

lib/utilities/test_node_connection.dart

@@ -6,6 +6,7 @@ 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 'package:socks5_proxy/socks.dart';
 
 import '../networking/http.dart';
 import '../pages/settings_views/global_settings_view/manage_nodes_views/add_edit_node_view.dart';
@@ -243,9 +244,21 @@ Future<bool> testNodeConnection({
 
     case Cardano():
       try {
+        final client = HttpClient();
+        if (ref
+            .read(prefsChangeNotifierProvider)
+            .useTor) {
+          final proxyInfo = TorService.sharedInstance.getProxyInfo();
+          final proxySettings = ProxySettings(
+            proxyInfo.host,
+            proxyInfo.port,
+          );
+          SocksTCPClient.assignToHttpClient(client, [proxySettings]);
+        }
         final blockfrostProvider = BlockforestProvider(
           BlockfrostHttpProvider(
             url: "${formData.host!}:${formData.port!}/api/v0",
+            client: client,
           ),
         );
 

lib/wallets/api/cardano/blockfrost_http_provider.dart

@@ -1,51 +1,49 @@
 import 'dart:convert';
-import 'package:http/http.dart' as http;
+import 'dart:io';
 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();
+  BlockfrostHttpProvider({
+    required this.url,
+    this.version = "v0",
+    this.projectId,
+    HttpClient? client,
+    this.defaultRequestTimeout = const Duration(seconds: 30),
+  }) : client = client ?? HttpClient();
   @override
   final String url;
   final String version;
   final String? projectId;
-  final http.Client client;
+  final HttpClient client;
   final Duration defaultRequestTimeout;
 
   @override
   Future<dynamic> get(BlockforestRequestDetails params,
-      [Duration? timeout]) async {
-    final response =
-    await client.get(Uri.parse(params.url(url, "api/$version")), headers: {
-      'Content-Type': 'application/json',
-      "Accept": "application/json",
-      if (projectId != null) ...{"project_id": projectId!},
-    }).timeout(timeout ?? defaultRequestTimeout);
-    final data = json.decode(response.body);
+      [Duration? timeout,]) async {
+    final response = await client.getUrl(Uri.parse(params.url(url, "api/$version"))).timeout(timeout ?? defaultRequestTimeout);
+    response.headers.add("Content-Type", "application/json");
+    response.headers.add("Accept", "application/json");
+    if (projectId != null) {
+      response.headers.add("project_id", projectId!);
+    }
+    final responseStream = await response.close();
+    final data = json.decode(await responseStream.transform(utf8.decoder).join());
     return data;
   }
 
   @override
   Future<dynamic> post(BlockforestRequestDetails params,
-      [Duration? timeout]) async {
-    final response = await client
-        .post(Uri.parse(params.url(url, "api/$version")),
-        headers: {
-          "Accept": "application/json",
-          if (projectId != null) ...{"project_id": projectId!},
-          ...params.header
-        },
-        body: params.body)
-        .timeout(timeout ?? defaultRequestTimeout);
-    final data = json.decode(response.body);
+      [Duration? timeout,]) async {
+    final request = await client.postUrl(Uri.parse(params.url(url, "api/$version"))).timeout(timeout ?? defaultRequestTimeout);
+    request.headers.add("Content-Type", "application/json");
+    request.headers.add("Accept", "application/json");
+    if (projectId != null) {
+      request.headers.add("project_id", projectId!);
+    }
+    request.write(json.encode(params.body));
+    final response = await request.close();
+    final data = json.decode(await response.transform(utf8.decoder).join());
     return data;
   }
-}
+}

lib/wallets/crypto_currency/coins/cardano.dart

@@ -111,6 +111,9 @@ class Cardano extends Bip39Currency {
   @override
   int get targetBlockTimeSeconds => 20;
 
+  @override
+  bool get torSupport => true;
+
   @override
   bool validateAddress(String address) {
     switch (network) {

lib/wallets/wallet/impl/cardano_wallet.dart

@@ -1,4 +1,5 @@
 import 'dart:convert';
+import 'dart:io';
 
 import 'package:blockchain_utils/bip/bip/bip44/base/bip44_base.dart';
 import 'package:blockchain_utils/bip/cardano/bip32/cardano_icarus_bip32.dart';
@@ -7,6 +8,7 @@ import 'package:blockchain_utils/bip/cardano/cip1852/conf/cip1852_coins.dart';
 import 'package:blockchain_utils/bip/cardano/mnemonic/cardano_icarus_seed_generator.dart';
 import 'package:blockchain_utils/bip/cardano/shelley/cardano_shelley.dart';
 import 'package:on_chain/ada/ada.dart';
+import 'package:socks5_proxy/socks.dart';
 import '../../../models/balance.dart';
 import '../../../models/isar/models/blockchain_data/address.dart';
 import 'package:tuple/tuple.dart';
@@ -84,12 +86,7 @@ class CardanoWallet extends Bip39Wallet<Cardano> {
   @override
   Future<bool> pingCheck() async {
     try {
-      final currentNode = getCurrentNode();
-      blockfrostProvider = BlockforestProvider(
-        BlockfrostHttpProvider(
-          url: "${currentNode.host}:${currentNode.port}/api/v0",
-        ),
-      );
+      await updateProvider();
 
       final health = await blockfrostProvider!.request(
         BlockfrostRequestBackendHealthStatus(),
@@ -176,7 +173,7 @@ class CardanoWallet extends Bip39Wallet<Cardano> {
       );
 
       var leftAmountForUtxos = txData.amount!.raw;
-      var listOfUtxosToBeUsed = <ADAAccountUTXOResponse>[];
+      final listOfUtxosToBeUsed = <ADAAccountUTXOResponse>[];
       var totalBalance = BigInt.zero;
 
       for (final utxo in utxos) {
@@ -271,7 +268,7 @@ class CardanoWallet extends Bip39Wallet<Cardano> {
 
 
       var leftAmountForUtxos = txData.amount!.raw + txData.fee!.raw;
-      var listOfUtxosToBeUsed = <ADAAccountUTXOResponse>[];
+      final listOfUtxosToBeUsed = <ADAAccountUTXOResponse>[];
       var totalBalance = BigInt.zero;
 
       for (final utxo in utxos) {
@@ -551,9 +548,19 @@ class CardanoWallet extends Bip39Wallet<Cardano> {
 
   Future<void> updateProvider() async {
     final currentNode = getCurrentNode();
+    final client = HttpClient();
+    if (prefs.useTor) {
+      final proxyInfo = TorService.sharedInstance.getProxyInfo();
+      final proxySettings = ProxySettings(
+        proxyInfo.host,
+        proxyInfo.port,
+      );
+      SocksTCPClient.assignToHttpClient(client, [proxySettings]);
+    }
     blockfrostProvider = BlockforestProvider(
       BlockfrostHttpProvider(
         url: "${currentNode.host}:${currentNode.port}/",
+        client: client,
       ),
     );
   }