Blueberry ring

lib/features/common/contract/token_contract_use_case.dart

@@ -269,6 +269,12 @@ class TokenContractUseCase extends ReactiveUseCase {
         .getTokenTransferData(tokenHash, toAddress, amount);
   }
 
+  String signPersonalMessage({required String privateKey, required String message}) {
+    return _repository.tokenContract
+        .signPersonalMessage(privateKey: privateKey, message: message);
+  }
+
+
   String signMessage({required String privateKey, required String message}) {
     return _repository.tokenContract
         .signMessage(privateKey: privateKey, message: message);

lib/features/dapps/subfeatures/open_dapp/domain/helpers/bridge/bridge.dart

@@ -0,0 +1,2 @@
+export 'bridge_helper.dart';
+export 'bridge_functions_helper.dart';

lib/features/dapps/subfeatures/open_dapp/domain/helpers/bridge/bridge_functions_helper.dart

@@ -0,0 +1,167 @@
+import 'dart:typed_data';
+
+import 'package:datadashwallet/common/components/components.dart';
+import 'package:datadashwallet/features/common/common.dart';
+import 'package:datadashwallet/features/portfolio/subfeatures/token/add_token/domain/custom_tokens_use_case.dart';
+import 'package:datadashwallet/features/settings/settings.dart';
+import 'package:flutter/material.dart';
+import 'package:mxc_logic/mxc_logic.dart';
+
+import '../../../open_dapp.dart';
+
+class BridgeFunctionsHelper {
+  BridgeFunctionsHelper({
+    required this.state,
+    required this.context,
+    required this.translate,
+    required this.navigator,
+    required this.customTokensUseCase,
+    required this.tokenContractUseCase,
+    required this.transactionHistoryUseCase,
+    required this.chainConfigurationUseCase,
+    required this.addError,
+    required this.loading,
+  });
+
+  OpenDAppState state;
+  TokenContractUseCase tokenContractUseCase;
+  CustomTokensUseCase customTokensUseCase;
+  TransactionsHistoryUseCase transactionHistoryUseCase;
+  ChainConfigurationUseCase chainConfigurationUseCase;
+  NavigatorState? navigator;
+  BuildContext? context;
+  String? Function(String) translate;
+  void Function(bool v) loading;
+  void Function(dynamic error, [StackTrace? stackTrace]) addError;
+
+  Future<TransactionGasEstimation?> estimatedFee(
+    String from,
+    String to,
+    EtherAmount? gasPrice,
+    Uint8List data,
+    BigInt? amountOfGas,
+  ) async {
+    loading(true);
+    try {
+      final gasFee = await tokenContractUseCase.estimateGasFeeForContractCall(
+          from: from,
+          to: to,
+          gasPrice: gasPrice,
+          data: data,
+          amountOfGas: amountOfGas);
+      loading(false);
+
+      return gasFee;
+    } catch (e, s) {
+      addError(e, s);
+    } finally {
+      loading(false);
+    }
+  }
+
+  Future<String?> sendTransaction(String to, EtherAmount amount,
+      Uint8List? data, TransactionGasEstimation? estimatedGasFee, String url,
+      {String? from}) async {
+    final res = await tokenContractUseCase.sendTransaction(
+        privateKey: state.account!.privateKey,
+        to: to,
+        from: from,
+        amount: amount,
+        data: data,
+        estimatedGasFee: estimatedGasFee);
+    if (!MXCChains.isMXCChains(state.network!.chainId)) {
+      recordTransaction(res);
+    }
+
+    return res.hash;
+  }
+
+  String? signMessage(
+    String hexData,
+  ) {
+    loading(true);
+    try {
+      final res = tokenContractUseCase.signMessage(
+          privateKey: state.account!.privateKey, message: hexData);
+      return res;
+    } catch (e, s) {
+      addError(e, s);
+    } finally {
+      loading(false);
+    }
+  }
+
+  String? signPersonalMessage(
+    String hexData,
+  ) {
+    loading(true);
+    try {
+      final res = tokenContractUseCase.signPersonalMessage(
+          privateKey: state.account!.privateKey, message: hexData);
+      return res;
+    } catch (e, s) {
+      addError(e, s);
+    } finally {
+      loading(false);
+    }
+  }
+
+  String? signTypedMessage(
+    String hexData,
+  ) {
+    loading(true);
+    try {
+      final res = tokenContractUseCase.signTypedMessage(
+          privateKey: state.account!.privateKey, data: hexData);
+      return res;
+    } catch (e, s) {
+      addError(e, s);
+    } finally {
+      loading(false);
+    }
+  }
+
+  bool addAsset(Token token) {
+    loading(true);
+    try {
+      customTokensUseCase.addItem(token);
+      return true;
+    } catch (error, stackTrace) {
+      addError(error, stackTrace);
+      return false;
+    } finally {
+      loading(false);
+    }
+  }
+
+  void recordTransaction(TransactionModel tx) {
+    final currentNetwork = state.network!;
+    final chainId = currentNetwork.chainId;
+    final token = Token(
+      chainId: currentNetwork.chainId,
+      logoUri: currentNetwork.logo,
+      name: currentNetwork.label ?? currentNetwork.web3RpcHttpUrl,
+      symbol: currentNetwork.symbol,
+      address: null,
+    );
+
+    tx = tx.copyWith(token: token);
+
+    transactionHistoryUseCase.spyOnTransaction(
+      tx,
+    );
+    transactionHistoryUseCase.updateItem(
+      tx,
+    );
+  }
+
+  Network? updateNetwork(Network network, int index) {
+    chainConfigurationUseCase.updateItem(network, index);
+    return network;
+  }
+
+  Network? addNewNetwork(Network newNetwork) {
+    chainConfigurationUseCase.addItem(newNetwork);
+    return newNetwork;
+  }
+}