Update/from rainbo

android/app/build.gradle

@@ -8,7 +8,7 @@ if (localPropertiesFile.exists()) {
 
 def flutterRoot = localProperties.getProperty('flutter.sdk')
 if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+    throw GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
 }
 
 def flutterVersionCode = localProperties.getProperty('flutter.versionCode')

lib/crypto/eosdart/src/client.dart

@@ -222,10 +222,21 @@ class EOSClient {
   }
 
   /// Get Key Accounts
-  Future<AccountNames> getKeyAccounts(String pubKey) async {
-    return _post('/history/get_key_accounts', {'public_key': pubKey}).then((accountNames) {
-      return AccountNames.fromJson(accountNames);
-    });
+
+  // Get Key Accounts using new API: new get_accounts_by_authorizers API
+  Future<AccountNames> getAccountsByKey(String pubKey) async {
+    try {
+      return _post('/chain/get_accounts_by_authorizers', {
+        'accounts': [],
+        'keys': [pubKey]
+      }).then((response) {
+        final List<String> accountNames = List.from(response['accounts'].map((e) => e['account_name']));
+        return AccountNames()..accountNames = accountNames.toSet().toList();
+      });
+    } catch (e) {
+      print("getAccountsByKey error $e");
+      return AccountNames();
+    }
   }
 
   // Get Key Accounts using new API: new get_accounts_by_authorizers API
@@ -314,19 +325,6 @@ class EOSClient {
     return ser.arrayToHex(buffer.asUint8List());
   }
 
-//  Future<List<AbiResp>> _getTransactionAbis(Transaction transaction) async {
-//    Set<String> accounts = Set();
-//    List<AbiResp> result = [];
-//
-//    for (Action action in transaction.actions) {
-//      accounts.add(action.account);
-//    }
-//
-//    for (String accountName in accounts) {
-//      result.add(await this.getRawAbi(accountName));
-//    }
-//  }
-
   Future<PushTransactionArgs> _pushTransactionArgs(
       String? chainId, Type transactionType, Transaction transaction, bool sign) async {
     final List<String> signatures = [];

lib/crypto/eosdart/src/numeric.dart

@@ -109,7 +109,7 @@ String binaryToDecimal(Uint8List bignum, {minDigits = 1}) {
 /// @param minDigits 0-pad result to this many digits
 String signedBinaryToDecimal(Uint8List bignum, {int minDigits = 1}) {
   if (isNegative(bignum)) {
-    var x = bignum.getRange(0, 0) as Uint8List;
+    var x = Uint8List.fromList(bignum.getRange(0, bignum.length).toList());
     negate(x);
     return '-' + binaryToDecimal(x, minDigits: minDigits);
   }

lib/datasource/local/models/token_data_model.dart

@@ -7,7 +7,8 @@ import 'package:seeds/utils/rate_states_extensions.dart';
 
 class TokenDataModel extends AmountDataModel {
   String? id;
-  TokenDataModel(double amount, {TokenModel token = seedsToken})
+  final TokenModel token;
+  TokenDataModel(double amount, {TokenModel this.token = seedsToken})
       : super(
           amount: amount,
           symbol: token.symbol,
@@ -37,7 +38,7 @@ class TokenDataModel extends AmountDataModel {
   }
 
   TokenDataModel copyWith(double amount) {
-    return TokenDataModel(amount, token: TokenModel.fromId(id!));
+    return TokenDataModel(amount, token: token);
   }
 }
 

lib/datasource/local/settings_storage.dart

@@ -67,7 +67,7 @@ class _SettingsStorage {
 
   String get selectedFiatCurrency => _preferences.getString(_kSelectedFiatCurrency) ?? getPlatformCurrency();
 
-  TokenModel get selectedToken => TokenModel.fromId(_preferences.getString(_kSelectedToken) ?? seedsToken.id);
+  TokenModel get selectedToken => TokenModel.fromId(_preferences.getString(_kSelectedToken) ?? seedsToken.id) ?? seedsToken;
 
   bool get inRecoveryMode => _preferences.getBool(_kInRecoveryMode) ?? false;
 

lib/datasource/remote/api/balance_repository.dart

@@ -6,7 +6,7 @@ import 'package:seeds/datasource/remote/model/balance_model.dart';
 class BalanceRepository extends HttpRepository {
   Future<Result<BalanceModel>> getTokenBalance(String userAccount,
       {required String tokenContract, required String symbol}) {
-    print('[http] get seeds getTokenBalance $userAccount for $symbol');
+    print('[http] get getTokenBalance $userAccount for $symbol');
 
     final String request = '''
     {

lib/datasource/remote/api/eos_repo/eos_repository.dart

@@ -74,7 +74,12 @@ abstract class EosRepository {
   }
 
   ErrorResult mapEosError(dynamic error) {
+    final regex = RegExp(r'^.*Internal Service Error.*assertion failure with message: ([^\"]*)');
     print('mapEosError: $error');
+    final match = regex.firstMatch(error);
+    if (match != null && match.groupCount == 1) {
+      return ErrorResult("Transaction error:\n${match.group(1)!}");
+    }
     return ErrorResult(error);
   }
 }

lib/datasource/remote/api/invoice_repository.dart

@@ -2,6 +2,7 @@ import 'package:async/async.dart';
 
 import 'package:seeds/crypto/dart_esr/dart_esr.dart' as esr;
 import 'package:seeds/datasource/local/models/token_data_model.dart';
+import 'package:seeds/datasource/remote/model/token_model.dart';
 import 'package:seeds/datasource/remote/api/eos_repo/eos_repository.dart';
 import 'package:seeds/datasource/remote/api/eos_repo/seeds_eos_actions.dart';
 import 'package:seeds/datasource/remote/firebase/firebase_remote_config.dart';
@@ -17,7 +18,7 @@ class InvoiceRepository extends EosRepository {
     final Map<String, String> data = {
       'from': esr.ESRConstants.PlaceholderName,
       'to': accountName,
-      'quantity': tokenAmount.asFormattedString(),
+      'quantity': TokenModel.getAssetString(tokenAmount.id, tokenAmount.amount),
       'memo': memo ?? ''
     };
 

lib/datasource/remote/api/key_accounts_repository.dart

@@ -3,18 +3,22 @@ import 'package:http/http.dart' as http;
 import 'package:seeds/datasource/remote/api/http_repo/http_repository.dart';
 
 class KeyAccountsRepository extends HttpRepository {
-  Future<Result<dynamic>> getKeyAccounts(String publicKey) {
-    print('[http] getKeyAccounts');
 
-    final url = Uri.parse('$baseURL/v1/history/get_key_accounts');
-    final body = '{ "public_key": "$publicKey" }';
+  Future<Result<dynamic>> getAccountsByKey(String publicKey) {
+    print('[http] getAccountsByKey');
+
+    final url = Uri.parse('$baseURL/v1/chain/get_accounts_by_authorizers');
+    final body = '{ "accounts": [], "keys": ["$publicKey"] }';
 
     return http
         .post(url, headers: headers, body: body)
         .then((http.Response response) => mapHttpResponse(response, (dynamic body) {
               print('result: $body');
-
-              final result = List<String>.from(body['account_names']);
+              // restriction to `active` permission matches ProfileRepository.getAccountPublicKeys
+              final result =
+                  List<dynamic>.from(body['accounts'] as List).cast<Map<String, dynamic>>()
+                    .where((e) => e['permission_name'] as String == 'active')
+                    .map((e) => e['account_name'] as String).toList().toSet().toList();
 
               result.sort();
 

lib/datasource/remote/api/profile_repository.dart

@@ -37,8 +37,8 @@ class ProfileRepository extends HttpRepository with EosRepository {
 
   // TODO(Raul): Unify this code with _getAccountPermissions in guardians repo
   // Returns the first active key permission - String
-  Future<Result> getAccountPublicKey(String accountName) async {
-    print('[http] getAccountPublicKey');
+  Future<Result> getAccountPublicKeys(String accountName) async {
+    print('[http] getAccountPublicKeys');
 
     final url = Uri.parse('$host/v1/chain/get_account');
     final body = '{ "account_name": "$accountName" }';
@@ -50,7 +50,7 @@ class ProfileRepository extends HttpRepository with EosRepository {
               final permissions = allAccounts.map((item) => Permission.fromJson(item)).toList();
               final Permission activePermission = permissions.firstWhere((element) => element.permName == "active");
               final RequiredAuth? activeAuth = activePermission.requiredAuth;
-              return activeAuth?.keys?.first?.key;
+              return activeAuth?.keys?.map((e)=>e?.key).toList();
             }))
         .catchError((error) => mapHttpError(error));
   }

lib/datasource/remote/api/stat_repository.dart

@@ -0,0 +1,31 @@
+import 'package:async/async.dart';
+import 'package:http/http.dart' as http;
+import 'package:seeds/datasource/remote/api/http_repo/http_repository.dart';
+import 'package:seeds/datasource/remote/model/balance_model.dart';
+import 'package:seeds/datasource/remote/model/token_model.dart';
+import 'package:seeds/datasource/remote/model/stat_model.dart';
+
+class StatRepository extends HttpRepository {
+  Future<Result<StatModel>> getTokenStat(
+      {required String tokenContract, required String symbol}) {
+    print('[http] get getTokenStat for $symbol');
+
+    final String request = '''
+    {
+      "code":"$tokenContract",
+      "table": "stat",
+      "scope":"$symbol",
+      "json": "true"
+    }
+    ''';
+
+    final statURL = Uri.parse('$baseURL/v1/chain/get_table_rows');
+
+    return http
+        .post(statURL, headers: headers, body: request)
+        .then((http.Response response) => mapHttpResponse<StatModel>(response, (dynamic body) {
+              return StatModel.fromJson(body);
+            }))
+        .catchError((dynamic error) => mapHttpError(error));
+  }
+}

lib/datasource/remote/api/transactions_repository.dart

@@ -1,4 +1,5 @@
 import 'package:async/async.dart';
+import 'package:collection/collection.dart';
 import 'package:http/http.dart' as http;
 import 'package:seeds/datasource/remote/api/http_repo/http_repository.dart';
 import 'package:seeds/datasource/remote/model/transaction_model.dart';
@@ -13,7 +14,7 @@ class TransactionsListRepository extends HttpRepository {
         .then((http.Response response) => mapHttpResponse<List<TransactionModel>>(response, (dynamic body) {
               final List<dynamic> transfers = body['actions'].toList();
 
-              return List<TransactionModel>.of(transfers.map((transfer) => TransactionModel.fromJson(transfer)));
+              return List<TransactionModel>.of(transfers.map((transfer) => TransactionModel.fromJson(transfer)).whereNotNull());
             }))
         .catchError((dynamic error) => mapHttpError(error));
   }

lib/datasource/remote/model/stat_model.dart

@@ -0,0 +1,20 @@
+
+/// Token per USD
+class StatModel {
+  final String supplyString;
+  final String maxSupplyString;
+  final String issuer;
+
+  const StatModel(this.supplyString, this.maxSupplyString, this.issuer);
+
+  factory StatModel.fromJson(Map<String, dynamic>? json) {
+    if (json != null && json['rows'].isNotEmpty) {
+      final supplyString = json['rows'][0]['supply'] ?? '';
+      final maxSupplyString = json['rows'][0]['max_supply'] ?? '';
+      final issuer = json['rows'][0]['issuer'] ?? '';
+      return StatModel(supplyString, maxSupplyString, issuer);
+    } else {
+      return const StatModel('', '', '');
+    }
+  }
+}

lib/datasource/remote/model/token_model.dart

@@ -14,13 +14,15 @@ class TokenModel extends Equatable {
   static const seedsEcosysUsecase = 'seedsecosys';
   static List<TokenModel> allTokens = [seedsToken];
   static JsonSchema? tmastrSchema;
+  static Map<String, int?> contractPrecisions = {"token.seeds#SEEDS": 4};
   final String chainName;
   final String contract;
   final String symbol;
   final String name;
   final String backgroundImageUrl;
   final String logoUrl;
   final String balanceSubTitle;
+  final String overdraw;
   final int precision;
   final List<String>? usecases;
 
@@ -47,6 +49,7 @@ class TokenModel extends Equatable {
     required this.backgroundImageUrl,
     required this.logoUrl,
     required this.balanceSubTitle,
+    required this.overdraw,
     this.precision = 4,
     this.usecases,
   });
@@ -95,15 +98,16 @@ class TokenModel extends Equatable {
         symbol: parsedJson["symbol"]!,
         name: parsedJson["name"]!,
         logoUrl: parsedJson["logo"]!,
-        balanceSubTitle: parsedJson["subtitle"],
+        balanceSubTitle: parsedJson["subtitle"] ?? CurrencyInfoCard.defaultBalanceSubtitle,
         backgroundImageUrl: parsedJson["bg_image"] ?? CurrencyInfoCard.defaultBgImage,
+        overdraw: parsedJson["overdraw"] ?? "allow",
         precision: parsedJson["precision"] ?? 4,
         usecases: parsedJson["usecases"],
       );
   }
 
-  factory TokenModel.fromId(String tokenId) {
-    return allTokens.firstWhere((e) => e.id == tokenId);
+  static TokenModel? fromId(String tokenId) {
+    return allTokens.firstWhereOrNull((e) => e.id == tokenId);
   }
 
   static TokenModel? fromSymbolOrNull(String symbol) {
@@ -113,8 +117,37 @@ class TokenModel extends Equatable {
   @override
   List<Object?> get props => [chainName, contract, symbol];
 
-  String getAssetString(double quantity) {
-    return "${quantity.toStringAsFixed(precision)} $symbol";
+  static String getAssetString(String? id, double quantity) {
+    if (id!=null && TokenModel.fromId(id)!=null && contractPrecisions.containsKey(id)) {
+      final symbol = TokenModel.fromId(id)!.symbol;
+      return symbol==null ? "" : "${quantity.toStringAsFixed(contractPrecisions[id]!)} $symbol";
+    } else {
+      return "";
+    }
+  }
+
+  void setPrecisionFromString(String s) {
+    final amount = s.split(' ')[0];
+    final ss = amount.split('.');
+    if (ss.isEmpty) {
+      return;
+    }
+    contractPrecisions[this.id] = ss.length==1 ? 0 : ss[1].length;
+  }
+
+  // enabling 'send' transfer validity checks, e.g. Mutual Credit,
+  //  membership limitations
+  bool blockTransfer(double insufficiency, String? toAccount) {
+    if (overdraw == "block") {
+      return insufficiency > 0;
+    } else if (overdraw == "allow") {
+      return false;
+    }
+    print("unexpected overdraw field: $overdraw");
+    return false;
+  }
+  String? warnTransfer(double insufficiency, String? toAccount) {
+    return insufficiency > 0 ? "insufficient balance" : null;
   }
 
   static Future<void> updateModels(List<String> acceptList, [List<String>? infoList]) async {
@@ -142,6 +175,7 @@ class TokenModel extends Equatable {
       }
     }
     allTokens = _staticTokenList;
+    contractPrecisions = Map.fromEntries(allTokens.map((t) => MapEntry(t.id , t.precision)));
   }
 
   static void pruneRemoving(List<String> useCaseList) {
@@ -163,6 +197,7 @@ const seedsToken = TokenModel(
   backgroundImageUrl: 'assets/images/wallet/currency_info_cards/seeds/background.jpg',
   logoUrl: 'assets/images/wallet/currency_info_cards/seeds/logo.jpg',
   balanceSubTitle: 'Wallet Balance',
+  overdraw: "block",
   usecases: ["lightwallet", TokenModel.seedsEcosysUsecase],
 );
 
@@ -175,6 +210,7 @@ const _husdToken = TokenModel(
   backgroundImageUrl: 'assets/images/wallet/currency_info_cards/husd/background.jpg',
   logoUrl: 'assets/images/wallet/currency_info_cards/husd/logo.jpg',
   balanceSubTitle: 'Wallet Balance',
+  overdraw: "block",
   precision: 2,
   usecases: ["lightwallet", TokenModel.seedsEcosysUsecase],
 );
@@ -187,6 +223,7 @@ const _hyphaToken = TokenModel(
   backgroundImageUrl: 'assets/images/wallet/currency_info_cards/hypha/background.jpg',
   logoUrl: 'assets/images/wallet/currency_info_cards/hypha/logo.jpg',
   balanceSubTitle: 'Wallet Balance',
+  overdraw: "block",
   precision: 2,
   usecases: ["lightwallet", TokenModel.seedsEcosysUsecase],
 );
@@ -199,6 +236,7 @@ const _localScaleToken = TokenModel(
   backgroundImageUrl: 'assets/images/wallet/currency_info_cards/lscl/background.jpg',
   logoUrl: 'assets/images/wallet/currency_info_cards/lscl/logo.png',
   balanceSubTitle: 'Wallet Balance',
+  overdraw: "block",
   usecases: ["lightwallet"],
 );
 
@@ -210,6 +248,7 @@ const _starsToken = TokenModel(
   backgroundImageUrl: 'assets/images/wallet/currency_info_cards/stars/background.jpg',
   logoUrl: 'assets/images/wallet/currency_info_cards/stars/logo.jpg',
   balanceSubTitle: 'Wallet Balance',
+  overdraw: "block",
   usecases: ["lightwallet"],
 );
 
@@ -221,5 +260,6 @@ const _telosToken = TokenModel(
   backgroundImageUrl: 'assets/images/wallet/currency_info_cards/tlos/background.png',
   logoUrl: 'assets/images/wallet/currency_info_cards/tlos/logo.png',
   balanceSubTitle: 'Wallet Balance',
+  overdraw: "block",
   usecases: ["lightwallet"],
 );