pull over tezos support files from the future

lib/services/coins/tezos/api/tezos_account.dart

@@ -0,0 +1,58 @@
+class TezosAccount {
+  final int id;
+  final String type;
+  final String address;
+  final String? publicKey;
+  final bool revealed;
+  final int balance;
+  final int counter;
+
+  TezosAccount({
+    required this.id,
+    required this.type,
+    required this.address,
+    required this.publicKey,
+    required this.revealed,
+    required this.balance,
+    required this.counter,
+  });
+
+  TezosAccount copyWith({
+    int? id,
+    String? type,
+    String? address,
+    String? publicKey,
+    bool? revealed,
+    int? balance,
+    int? counter,
+  }) {
+    return TezosAccount(
+      id: id ?? this.id,
+      type: type ?? this.type,
+      address: address ?? this.address,
+      publicKey: publicKey ?? this.publicKey,
+      revealed: revealed ?? this.revealed,
+      balance: balance ?? this.balance,
+      counter: counter ?? this.counter,
+    );
+  }
+
+  factory TezosAccount.fromMap(Map<String, dynamic> map) {
+    return TezosAccount(
+      id: map['id'] as int,
+      type: map['type'] as String,
+      address: map['address'] as String,
+      publicKey: map['publicKey'] as String?,
+      revealed: map['revealed'] as bool,
+      balance: map['balance'] as int,
+      counter: map['counter'] as int,
+    );
+  }
+
+  @override
+  String toString() {
+    return 'UserData{id: $id, type: $type, address: $address, '
+        'publicKey: $publicKey, revealed: $revealed,'
+        ' balance: $balance, counter: $counter}';
+  }
+}

lib/services/coins/tezos/api/tezos_api.dart

@@ -0,0 +1,117 @@
+import 'dart:convert';
+
+import 'package:stackwallet/networking/http.dart';
+import 'package:stackwallet/services/coins/tezos/api/tezos_account.dart';
+import 'package:stackwallet/services/coins/tezos/api/tezos_transaction.dart';
+import 'package:stackwallet/services/tor_service.dart';
+import 'package:stackwallet/utilities/logger.dart';
+import 'package:stackwallet/utilities/prefs.dart';
+
+abstract final class TezosAPI {
+  static final HTTP _client = HTTP();
+  static const String _baseURL = 'https://api.tzkt.io';
+
+  static Future<int> getCounter(String address) async {
+    try {
+      final uriString = "$_baseURL/v1/accounts/$address/counter";
+      final response = await _client.get(
+        url: Uri.parse(uriString),
+        headers: {'Content-Type': 'application/json'},
+        proxyInfo: Prefs.instance.useTor
+            ? TorService.sharedInstance.getProxyInfo()
+            : null,
+      );
+
+      final result = jsonDecode(response.body);
+      return result as int;
+    } catch (e, s) {
+      Logging.instance.log(
+        "Error occurred in TezosAPI while getting counter for $address: $e\n$s",
+        level: LogLevel.Error,
+      );
+      rethrow;
+    }
+  }
+
+  static Future<TezosAccount> getAccount(String address,
+      {String type = "user"}) async {
+    try {
+      final uriString = "$_baseURL/v1/accounts/$address?legacy=false";
+      final response = await _client.get(
+        url: Uri.parse(uriString),
+        headers: {'Content-Type': 'application/json'},
+        proxyInfo: Prefs.instance.useTor
+            ? TorService.sharedInstance.getProxyInfo()
+            : null,
+      );
+
+      final result = jsonDecode(response.body) as Map;
+
+      final account = TezosAccount.fromMap(Map<String, dynamic>.from(result));
+
+      return account;
+    } catch (e, s) {
+      Logging.instance.log(
+        "Error occurred in TezosAPI while getting account for $address: $e\n$s",
+        level: LogLevel.Error,
+      );
+      rethrow;
+    }
+  }
+
+  static Future<List<TezosTransaction>> getTransactions(String address) async {
+    try {
+      final transactionsCall =
+          "$_baseURL/v1/accounts/$address/operations?type=transaction";
+
+      final response = await _client.get(
+        url: Uri.parse(transactionsCall),
+        headers: {'Content-Type': 'application/json'},
+        proxyInfo: Prefs.instance.useTor
+            ? TorService.sharedInstance.getProxyInfo()
+            : null,
+      );
+
+      final result = jsonDecode(response.body) as List;
+
+      List<TezosTransaction> txs = [];
+      for (var tx in result) {
+        if (tx["type"] == "transaction") {
+          final theTx = TezosTransaction(
+            id: tx["id"] as int,
+            hash: tx["hash"] as String,
+            type: tx["type"] as String,
+            height: tx["level"] as int,
+            timestamp: DateTime.parse(tx["timestamp"].toString())
+                    .toUtc()
+                    .millisecondsSinceEpoch ~/
+                1000,
+            cycle: tx["cycle"] as int?,
+            counter: tx["counter"] as int,
+            opN: tx["op_n"] as int?,
+            opP: tx["op_p"] as int?,
+            status: tx["status"] as String,
+            gasLimit: tx["gasLimit"] as int,
+            gasUsed: tx["gasUsed"] as int,
+            storageLimit: tx["storageLimit"] as int?,
+            amountInMicroTez: tx["amount"] as int,
+            feeInMicroTez: (tx["bakerFee"] as int? ?? 0) +
+                (tx["storageFee"] as int? ?? 0) +
+                (tx["allocationFee"] as int? ?? 0),
+            burnedAmountInMicroTez: tx["burned"] as int?,
+            senderAddress: tx["sender"]["address"] as String,
+            receiverAddress: tx["target"]["address"] as String,
+          );
+          txs.add(theTx);
+        }
+      }
+      return txs;
+    } catch (e, s) {
+      Logging.instance.log(
+        "Error occurred in TezosAPI while getting transactions for $address: $e\n$s",
+        level: LogLevel.Error,
+      );
+      rethrow;
+    }
+  }
+}

lib/services/coins/tezos/api/tezos_rpc_api.dart

@@ -0,0 +1,71 @@
+import 'dart:convert';
+
+import 'package:stackwallet/networking/http.dart';
+import 'package:stackwallet/services/tor_service.dart';
+import 'package:stackwallet/utilities/logger.dart';
+import 'package:stackwallet/utilities/prefs.dart';
+
+abstract final class TezosRpcAPI {
+  static final HTTP _client = HTTP();
+
+  static Future<BigInt?> getBalance({
+    required ({String host, int port}) nodeInfo,
+    required String address,
+  }) async {
+    try {
+      String balanceCall =
+          "${nodeInfo.host}:${nodeInfo.port}/chains/main/blocks/head/context/contracts/$address/balance";
+
+      final response = await _client.get(
+        url: Uri.parse(balanceCall),
+        headers: {'Content-Type': 'application/json'},
+        proxyInfo: Prefs.instance.useTor
+            ? TorService.sharedInstance.getProxyInfo()
+            : null,
+      );
+
+      final balance =
+          BigInt.parse(response.body.substring(1, response.body.length - 2));
+      return balance;
+    } catch (e) {
+      Logging.instance.log(
+        "Error occurred in tezos_rpc_api.dart while getting balance for $address: $e",
+        level: LogLevel.Error,
+      );
+    }
+    return null;
+  }
+
+  static Future<int?> getChainHeight({
+    required ({String host, int port}) nodeInfo,
+  }) async {
+    try {
+      final api =
+          "${nodeInfo.host}:${nodeInfo.port}/chains/main/blocks/head/header/shell";
+
+      final response = await _client.get(
+        url: Uri.parse(api),
+        headers: {'Content-Type': 'application/json'},
+        proxyInfo: Prefs.instance.useTor
+            ? TorService.sharedInstance.getProxyInfo()
+            : null,
+      );
+
+      final jsonParsedResponse = jsonDecode(response.body);
+      return int.parse(jsonParsedResponse["level"].toString());
+    } catch (e) {
+      Logging.instance.log(
+        "Error occurred in tezos_rpc_api.dart while getting chain height for tezos: $e",
+        level: LogLevel.Error,
+      );
+    }
+    return null;
+  }
+
+  static Future<bool> testNetworkConnection({
+    required ({String host, int port}) nodeInfo,
+  }) async {
+    final result = await getChainHeight(nodeInfo: nodeInfo);
+    return result != null;
+  }
+}

lib/services/coins/tezos/api/tezos_transaction.dart

@@ -0,0 +1,43 @@
+class TezosTransaction {
+  final int? id;
+  final String hash;
+  final String? type;
+  final int height;
+  final int timestamp;
+  final int? cycle;
+  final int? counter;
+  final int? opN;
+  final int? opP;
+  final String? status;
+  final bool? isSuccess;
+  final int? gasLimit;
+  final int? gasUsed;
+  final int? storageLimit;
+  final int amountInMicroTez;
+  final int feeInMicroTez;
+  final int? burnedAmountInMicroTez;
+  final String senderAddress;
+  final String receiverAddress;
+
+  TezosTransaction({
+    this.id,
+    required this.hash,
+    this.type,
+    required this.height,
+    required this.timestamp,
+    this.cycle,
+    this.counter,
+    this.opN,
+    this.opP,
+    this.status,
+    this.isSuccess,
+    this.gasLimit,
+    this.gasUsed,
+    this.storageLimit,
+    required this.amountInMicroTez,
+    required this.feeInMicroTez,
+    this.burnedAmountInMicroTez,
+    required this.senderAddress,
+    required this.receiverAddress,
+  });
+}