Integrate EtherScan API for fetching address transactions

Generate Ethereum specific secrets in Ethereum package

.github/workflows/pr_test_build.yml

@@ -118,6 +118,7 @@ jobs:
           echo "const anonPayReferralCode = '${{ secrets.ANON_PAY_REFERRAL_CODE }}';" >> lib/.secrets.g.dart
           echo "const fiatApiKey = '${{ secrets.FIAT_API_KEY }}';" >> lib/.secrets.g.dart
           echo "const payfuraApiKey = '${{ secrets.PAYFURA_API_KEY }}';" >> lib/.secrets.g.dart
+          echo "const etherScanApiKey = '${{ secrets.ETHER_SCAN_API_KEY }}';" >> cw_ethereum/lib/.secrets.g.dart
 
       - name: Rename app
         run: echo -e "id=com.cakewallet.test\nname=$GITHUB_HEAD_REF" > /opt/android/cake_wallet/android/app.properties

.gitignore

@@ -89,7 +89,9 @@ android/key.properties
 **/tool/.secrets-prod.json
 **/tool/.secrets-test.json
 **/tool/.secrets-config.json
+**/tool/.ethereum-secrets-config.json
 **/lib/.secrets.g.dart
+**/cw_ethereum/lib/.secrets.g.dart
 
 vendor/
 

cw_ethereum/lib/ethereum_client.dart

@@ -1,9 +1,11 @@
 import 'dart:async';
+import 'dart:convert';
 import 'dart:math';
 
 import 'package:cw_core/crypto_currency.dart';
-import 'package:cw_ethereum/ethereum_balance.dart';
+import 'package:cw_ethereum/erc20_balance.dart';
 import 'package:cw_core/erc20_token.dart';
+import 'package:cw_ethereum/ethereum_transaction_model.dart';
 import 'package:cw_ethereum/pending_ethereum_transaction.dart';
 import 'package:flutter/services.dart';
 import 'package:http/http.dart';
@@ -11,6 +13,7 @@ import 'package:web3dart/web3dart.dart';
 import 'package:web3dart/contracts/erc20.dart';
 import 'package:cw_core/node.dart';
 import 'package:cw_ethereum/ethereum_transaction_priority.dart';
+import 'package:cw_ethereum/.secrets.g.dart' as secrets;
 
 class EthereumClient {
   Web3Client? _client;
@@ -53,7 +56,6 @@ class EthereumClient {
     // final eventFilter = FilterOptions(address: userAddress);
     //
     // _client!.events(eventFilter).listen((event) {
-    //     print("!!!!!!!!!!!!!!!!!!");
     //     print('Address ${event.address} data ${event.data} tx hash ${event.transactionHash}!');
     //     onNewTransaction(event);
     // });
@@ -61,7 +63,6 @@ class EthereumClient {
     // final erc20 = Erc20(client: _client!, address: userAddress);
     //
     // subscription = erc20.transferEvents().take(1).listen((event) {
-    //   print("!!!!!!!!!!!!!!!!!!");
     //   print('${event.from} sent ${event.value} MetaCoins to ${event.to}!');
     //   onNewTransaction(event);
     // });
@@ -155,7 +156,6 @@ class EthereumClient {
     // Wait for the transaction receipt to become available
     TransactionReceipt? receipt;
     while (receipt == null) {
-      print("&&&&&&&&&&&&&&&&&&&&&&&&&&&&&");
       receipt = await _client!.getTransactionReceipt(transactionHash);
       await Future.delayed(Duration(seconds: 1));
     }
@@ -240,6 +240,29 @@ I/flutter ( 4474): Gas Used: 53000
     _client?.dispose();
   }
 
+  Future<List<EthereumTransactionModel>> fetchTransactions(String address,
+      {String? contractAddress}) async {
+    final client = Client();
+
+    final response = await client.get(Uri.https("api.etherscan.io", "/api", {
+      "module": "account",
+      "action": contractAddress != null ? "tokentx" : "txlist",
+      if (contractAddress != null) "contractaddress": contractAddress,
+      "address": address,
+      "apikey": secrets.etherScanApiKey,
+    }));
+
+    final _jsonResponse = json.decode(response.body) as Map<String, dynamic>;
+
+    if (response.statusCode >= 200 && response.statusCode < 300 && _jsonResponse['status'] != 0) {
+      return (_jsonResponse['result'] as List)
+          .map((e) => EthereumTransactionModel.fromJson(e as Map<String, dynamic>))
+          .toList();
+    }
+
+    return [];
+  }
+
 // Future<int> _getDecimalPlacesForContract(DeployedContract contract) async {
 //     final String abi = await rootBundle.loadString("assets/abi_json/erc20_abi.json");
 //     final contractAbi = ContractAbi.fromJson(abi, "ERC20");

cw_ethereum/lib/ethereum_transaction_info.dart

@@ -1,27 +1,68 @@
+import 'package:cw_core/format_amount.dart';
+import 'package:cw_core/transaction_direction.dart';
 import 'package:cw_core/transaction_info.dart';
 
 class EthereumTransactionInfo extends TransactionInfo {
-  @override
-  String amountFormatted() {
-    // TODO: implement amountFormatted
-    throw UnimplementedError();
-  }
+  EthereumTransactionInfo({
+    required this.id,
+    required this.height,
+    required this.amount,
+    required this.fee,
+    this.tokenSymbol = "ETH",
+    this.exponent = 18,
+    required this.direction,
+    required this.isPending,
+    required this.date,
+    required this.confirmations,
+  });
+
+  final String id;
+  final int height;
+  final int amount;
+  final int exponent;
+  final TransactionDirection direction;
+  final DateTime date;
+  final bool isPending;
+  final int fee;
+  final int confirmations;
+  final String tokenSymbol;
+  String? _fiatAmount;
 
   @override
-  void changeFiatAmount(String amount) {
-    // TODO: implement changeFiatAmount
-  }
+  String amountFormatted() =>
+      '${formatAmount((BigInt.from(amount) / BigInt.from(10).pow(exponent)).toString())} $tokenSymbol';
 
   @override
-  String? feeFormatted() {
-    // TODO: implement feeFormatted
-    throw UnimplementedError();
-  }
+  String fiatAmount() => _fiatAmount ?? '';
 
   @override
-  String fiatAmount() {
-    // TODO: implement fiatAmount
-    throw UnimplementedError();
+  void changeFiatAmount(String amount) => _fiatAmount = formatAmount(amount);
+
+  @override
+  String feeFormatted() => '${(BigInt.from(fee) / BigInt.from(10).pow(exponent)).toString()} ETH';
+
+  factory EthereumTransactionInfo.fromJson(Map<String, dynamic> data) {
+    return EthereumTransactionInfo(
+        id: data['id'] as String,
+        height: data['height'] as int,
+        amount: data['amount'] as int,
+        fee: data['fee'] as int,
+        direction: parseTransactionDirectionFromInt(data['direction'] as int),
+        date: DateTime.fromMillisecondsSinceEpoch(data['date'] as int),
+        isPending: data['isPending'] as bool,
+        confirmations: data['confirmations'] as int);
   }
 
+  Map<String, dynamic> toJson() {
+    final m = <String, dynamic>{};
+    m['id'] = id;
+    m['height'] = height;
+    m['amount'] = amount;
+    m['direction'] = direction.index;
+    m['date'] = date.millisecondsSinceEpoch;
+    m['isPending'] = isPending;
+    m['confirmations'] = confirmations;
+    m['fee'] = fee;
+    return m;
+  }
 }

cw_ethereum/lib/ethereum_transaction_model.dart

@@ -0,0 +1,44 @@
+class EthereumTransactionModel {
+  final DateTime date;
+  final String hash;
+  final String from;
+  final String to;
+  final BigInt amount;
+  final int gasUsed;
+  final BigInt gasPrice;
+  final String contractAddress;
+  final int confirmations;
+  final int blockNumber;
+  final String? tokenSymbol;
+  final int? tokenDecimal;
+
+  EthereumTransactionModel({
+    required this.date,
+    required this.hash,
+    required this.from,
+    required this.to,
+    required this.amount,
+    required this.gasUsed,
+    required this.gasPrice,
+    required this.contractAddress,
+    required this.confirmations,
+    required this.blockNumber,
+    required this.tokenSymbol,
+    required this.tokenDecimal,
+  });
+
+  factory EthereumTransactionModel.fromJson(Map<String, dynamic> json) => EthereumTransactionModel(
+        date: DateTime.fromMillisecondsSinceEpoch(int.parse(json["timeStamp"]) * 1000),
+        hash: json["hash"],
+        from: json["from"],
+        to: json["to"],
+        amount: BigInt.parse(json["value"]),
+        gasUsed: int.parse(json["gasUsed"]),
+        gasPrice: BigInt.parse(json["gasPrice"]),
+        contractAddress: json["contractAddress"],
+        confirmations: int.parse(json["confirmations"]),
+        blockNumber: int.parse(json["blockNumber"]),
+        tokenSymbol: json["tokenSymbol"] ?? "ETH",
+        tokenDecimal: int.tryParse(json["tokenDecimal"] ?? ""),
+      );
+}

cw_ethereum/lib/ethereum_wallet.dart

@@ -7,12 +7,13 @@ import 'package:cw_core/node.dart';
 import 'package:cw_core/pathForWallet.dart';
 import 'package:cw_core/pending_transaction.dart';
 import 'package:cw_core/sync_status.dart';
+import 'package:cw_core/transaction_direction.dart';
 import 'package:cw_core/transaction_priority.dart';
 import 'package:cw_core/wallet_addresses.dart';
 import 'package:cw_core/wallet_base.dart';
 import 'package:cw_core/wallet_info.dart';
 import 'package:cw_ethereum/default_erc20_tokens.dart';
-import 'package:cw_ethereum/ethereum_balance.dart';
+import 'package:cw_ethereum/erc20_balance.dart';
 import 'package:cw_ethereum/ethereum_client.dart';
 import 'package:cw_ethereum/ethereum_exceptions.dart';
 import 'package:cw_ethereum/ethereum_transaction_credentials.dart';
@@ -45,6 +46,7 @@ abstract class EthereumWalletBase
         _password = password,
         _mnemonic = mnemonic,
         _priorityFees = [],
+        _isTransactionUpdating = false,
         _client = EthereumClient(),
         walletAddresses = EthereumWalletAddresses(walletInfo),
         balance = ObservableMap<CryptoCurrency, ERC20Balance>.of(
@@ -68,6 +70,7 @@ abstract class EthereumWalletBase
 
   List<int> _priorityFees;
   int? _gasPrice;
+  bool _isTransactionUpdating;
 
   @override
   WalletAddresses walletAddresses;
@@ -174,9 +177,56 @@ abstract class EthereumWalletBase
     return pendingEthereumTransaction;
   }
 
+  Future<void> updateTransactions() async {
+    try {
+      if (_isTransactionUpdating) {
+        return;
+      }
+
+      _isTransactionUpdating = true;
+      final transactions = await fetchTransactions();
+      transactionHistory.addMany(transactions);
+      await transactionHistory.save();
+      _isTransactionUpdating = false;
+    } catch (_) {
+      _isTransactionUpdating = false;
+    }
+  }
+
   @override
-  Future<Map<String, EthereumTransactionInfo>> fetchTransactions() {
-    throw UnimplementedError("fetchTransactions");
+  Future<Map<String, EthereumTransactionInfo>> fetchTransactions() async {
+    final address = _privateKey.address.hex;
+    final transactions = await _client.fetchTransactions(address);
+
+    for (var token in balance.keys) {
+      if (token is Erc20Token) {
+        transactions.addAll(await _client.fetchTransactions(
+          address,
+          contractAddress: token.contractAddress,
+        ));
+      }
+    }
+
+    final Map<String, EthereumTransactionInfo> result = {};
+
+    for (var transactionModel in transactions) {
+      result[transactionModel.hash] = EthereumTransactionInfo(
+        id: transactionModel.hash,
+        height: transactionModel.blockNumber,
+        amount: transactionModel.amount.toInt(),
+        direction: transactionModel.from == address
+            ? TransactionDirection.outgoing
+            : TransactionDirection.incoming,
+        isPending: false,
+        date: transactionModel.date,
+        confirmations: transactionModel.confirmations,
+        fee: transactionModel.gasUsed * transactionModel.gasPrice.toInt(),
+        exponent: transactionModel.tokenDecimal ?? 18,
+        tokenSymbol: transactionModel.tokenSymbol ?? "ETH",
+      );
+    }
+
+    return result;
   }
 
   @override
@@ -204,6 +254,7 @@ abstract class EthereumWalletBase
     try {
       syncStatus = AttemptingSyncStatus();
       await _updateBalance();
+      await updateTransactions();
       _gasPrice = await _client.getGasUnitPrice();
       _priorityFees = await _client.getEstimatedGasForPriorities();
 
@@ -354,8 +405,7 @@ abstract class EthereumWalletBase
     final currentWalletPath = await pathForWallet(name: walletInfo.name, type: type);
     final currentWalletFile = File(currentWalletPath);
 
-    final currentDirPath =
-    await pathForWalletDir(name: walletInfo.name, type: type);
+    final currentDirPath = await pathForWalletDir(name: walletInfo.name, type: type);
     // TODO: un-hash when transactions flow is implemented
     // final currentTransactionsFile = File('$currentDirPath/$transactionsHistoryFileName');
 

lib/ethereum/cw_ethereum.dart

@@ -80,6 +80,13 @@ class CWEthereum extends Ethereum {
   @override
   int formatterEthereumParseAmount(String amount) => EthereumFormatter.parseEthereumAmount(amount);
 
+  @override
+  double formatterEthereumAmountToDouble({required TransactionInfo transaction}) {
+    transaction as EthereumTransactionInfo;
+    return cryptoAmountToDouble(
+        amount: transaction.amount, divider: BigInt.from(10).pow(transaction.exponent).toInt());
+  }
+
   @override
   List<Erc20Token> getERC20Currencies(WalletBase wallet) {
     final ethereumWallet = wallet as EthereumWallet;

lib/view_model/dashboard/transaction_list_item.dart

@@ -1,5 +1,6 @@
 import 'package:cake_wallet/entities/balance_display_mode.dart';
 import 'package:cake_wallet/entities/fiat_currency.dart';
+import 'package:cake_wallet/ethereum/ethereum.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cw_core/transaction_direction.dart';
 import 'package:cw_core/transaction_info.dart';
@@ -84,6 +85,11 @@ class TransactionListItem extends ActionListItem with Keyable {
           cryptoAmount: haven!.formatterMoneroAmountToDouble(amount: transaction.amount),
           price: price);
         break;
+      case WalletType.ethereum:
+        amount = calculateFiatAmountRaw(
+            cryptoAmount: ethereum!.formatterEthereumAmountToDouble(transaction: transaction),
+            price: price);
+        break;
       default:
         break;
     }

lib/view_model/transaction_details_view_model.dart

@@ -9,6 +9,7 @@ import 'package:cw_core/transaction_direction.dart';
 import 'package:cake_wallet/utils/date_formatter.dart';
 import 'package:cake_wallet/entities/transaction_description.dart';
 import 'package:hive/hive.dart';
+import 'package:intl/src/intl/date_format.dart';
 import 'package:mobx/mobx.dart';
 import 'package:cake_wallet/store/settings_store.dart';
 import 'package:cake_wallet/generated/i18n.dart';
@@ -27,105 +28,27 @@ abstract class TransactionDetailsViewModelBase with Store {
       required this.wallet,
       required this.settingsStore})
       : items = [],
-      isRecipientAddressShown = false,
-      showRecipientAddress = settingsStore.shouldSaveRecipientAddress {
+        isRecipientAddressShown = false,
+        showRecipientAddress = settingsStore.shouldSaveRecipientAddress {
     final dateFormat = DateFormatter.withCurrentLocal();
     final tx = transactionInfo;
 
-    if (wallet.type == WalletType.monero) {
-      final key = tx.additionalInfo['key'] as String?;
-      final accountIndex = tx.additionalInfo['accountIndex'] as int;
-      final addressIndex = tx.additionalInfo['addressIndex'] as int;
-      final feeFormatted = tx.feeFormatted();
-      final _items = [
-        StandartListItem(
-            title: S.current.transaction_details_transaction_id, value: tx.id),
-        StandartListItem(
-            title: S.current.transaction_details_date,
-            value: dateFormat.format(tx.date)),
-        StandartListItem(
-            title: S.current.transaction_details_height, value: '${tx.height}'),
-        StandartListItem(
-            title: S.current.transaction_details_amount,
-            value: tx.amountFormatted()),
-        if (feeFormatted != null)
-          StandartListItem(
-            title: S.current.transaction_details_fee, value: feeFormatted),
-        if (key?.isNotEmpty ?? false)
-          StandartListItem(title: S.current.transaction_key, value: key!)
-      ];
-
-      if (tx.direction == TransactionDirection.incoming &&
-          accountIndex != null &&
-          addressIndex != null) {
-        try {
-          final address = monero!.getTransactionAddress(wallet, accountIndex, addressIndex);
-          final label = monero!.getSubaddressLabel(wallet, accountIndex, addressIndex);
-
-          if (address?.isNotEmpty ?? false) {
-            isRecipientAddressShown = true;
-            _items.add(
-                StandartListItem(
-                    title: S.current.transaction_details_recipient_address,
-                    value: address));
-          }
-
-          if (label?.isNotEmpty ?? false) {
-            _items.add(
-                StandartListItem(
-                  title: S.current.address_label,
-                  value: label)
-            );
-          }
-        } catch (e) {
-          print(e.toString());
-        }
-      }
-
-      items.addAll(_items);
-    }
-
-    if (wallet.type == WalletType.bitcoin
-        || wallet.type == WalletType.litecoin) {
-      final _items = [
-        StandartListItem(
-            title: S.current.transaction_details_transaction_id, value: tx.id),
-        StandartListItem(
-            title: S.current.transaction_details_date,
-            value: dateFormat.format(tx.date)),
-        StandartListItem(
-            title: S.current.confirmations,
-            value: tx.confirmations.toString()),
-        StandartListItem(
-            title: S.current.transaction_details_height, value: '${tx.height}'),
-        StandartListItem(
-            title: S.current.transaction_details_amount,
-            value: tx.amountFormatted()),
-        if (tx.feeFormatted()?.isNotEmpty ?? false)
-          StandartListItem(
-              title: S.current.transaction_details_fee,
-              value: tx.feeFormatted()!),
-      ];
-
-      items.addAll(_items);
-    }
-
-    if (wallet.type == WalletType.haven) {
-      items.addAll([
-        StandartListItem(
-            title: S.current.transaction_details_transaction_id, value: tx.id),
-        StandartListItem(
-            title: S.current.transaction_details_date,
-            value: dateFormat.format(tx.date)),
-        StandartListItem(
-            title: S.current.transaction_details_height, value: '${tx.height}'),
-        StandartListItem(
-            title: S.current.transaction_details_amount,
-            value: tx.amountFormatted()),
-        if (tx.feeFormatted()?.isNotEmpty ?? false)
-          StandartListItem(
-            title: S.current.transaction_details_fee, value: tx.feeFormatted()!),
-      ]);
+    switch (wallet.type) {
+      case WalletType.monero:
+        _addMoneroListItems(tx, dateFormat);
+        break;
+      case WalletType.bitcoin:
+      case WalletType.litecoin:
+        _addElectrumListItems(tx, dateFormat);
+        break;
+      case WalletType.haven:
+        _addHavenListItems(tx, dateFormat);
+        break;
+      case WalletType.ethereum:
+        _addEthereumListItems(tx, dateFormat);
+        break;
+      default:
+        break;
     }
 
     if (showRecipientAddress && !isRecipientAddressShown) {
@@ -136,10 +59,9 @@ abstract class TransactionDetailsViewModelBase with Store {
 
         if (recipientAddress?.isNotEmpty ?? false) {
           items.add(StandartListItem(
-              title: S.current.transaction_details_recipient_address,
-              value: recipientAddress!));
+              title: S.current.transaction_details_recipient_address, value: recipientAddress!));
         }
-      } catch(_) {
+      } catch (_) {
         // FIX-ME: Unhandled exception
       }
     }
@@ -211,4 +133,86 @@ abstract class TransactionDetailsViewModelBase with Store {
         return '';
     }
   }
+
+  void _addMoneroListItems(TransactionInfo tx, DateFormat dateFormat) {
+    final key = tx.additionalInfo['key'] as String?;
+    final accountIndex = tx.additionalInfo['accountIndex'] as int;
+    final addressIndex = tx.additionalInfo['addressIndex'] as int;
+    final feeFormatted = tx.feeFormatted();
+    final _items = [
+      StandartListItem(title: S.current.transaction_details_transaction_id, value: tx.id),
+      StandartListItem(
+          title: S.current.transaction_details_date, value: dateFormat.format(tx.date)),
+      StandartListItem(title: S.current.transaction_details_height, value: '${tx.height}'),
+      StandartListItem(title: S.current.transaction_details_amount, value: tx.amountFormatted()),
+      if (feeFormatted != null)
+        StandartListItem(title: S.current.transaction_details_fee, value: feeFormatted),
+      if (key?.isNotEmpty ?? false) StandartListItem(title: S.current.transaction_key, value: key!),
+    ];
+
+    if (tx.direction == TransactionDirection.incoming) {
+      try {
+        final address = monero!.getTransactionAddress(wallet, accountIndex, addressIndex);
+        final label = monero!.getSubaddressLabel(wallet, accountIndex, addressIndex);
+
+        if (address.isNotEmpty) {
+          isRecipientAddressShown = true;
+          _items.add(StandartListItem(
+            title: S.current.transaction_details_recipient_address,
+            value: address,
+          ));
+        }
+
+        if (label.isNotEmpty) {
+          _items.add(StandartListItem(title: S.current.address_label, value: label));
+        }
+      } catch (e) {
+        print(e.toString());
+      }
+    }
+
+    items.addAll(_items);
+  }
+
+  void _addElectrumListItems(TransactionInfo tx, DateFormat dateFormat) {
+    final _items = [
+      StandartListItem(title: S.current.transaction_details_transaction_id, value: tx.id),
+      StandartListItem(
+          title: S.current.transaction_details_date, value: dateFormat.format(tx.date)),
+      StandartListItem(title: S.current.confirmations, value: tx.confirmations.toString()),
+      StandartListItem(title: S.current.transaction_details_height, value: '${tx.height}'),
+      StandartListItem(title: S.current.transaction_details_amount, value: tx.amountFormatted()),
+      if (tx.feeFormatted()?.isNotEmpty ?? false)
+        StandartListItem(title: S.current.transaction_details_fee, value: tx.feeFormatted()!),
+    ];
+
+    items.addAll(_items);
+  }
+
+  void _addHavenListItems(TransactionInfo tx, DateFormat dateFormat) {
+    items.addAll([
+      StandartListItem(title: S.current.transaction_details_transaction_id, value: tx.id),
+      StandartListItem(
+          title: S.current.transaction_details_date, value: dateFormat.format(tx.date)),
+      StandartListItem(title: S.current.transaction_details_height, value: '${tx.height}'),
+      StandartListItem(title: S.current.transaction_details_amount, value: tx.amountFormatted()),
+      if (tx.feeFormatted()?.isNotEmpty ?? false)
+        StandartListItem(title: S.current.transaction_details_fee, value: tx.feeFormatted()!),
+    ]);
+  }
+
+  void _addEthereumListItems(TransactionInfo tx, DateFormat dateFormat) {
+    final _items = [
+      StandartListItem(title: S.current.transaction_details_transaction_id, value: tx.id),
+      StandartListItem(
+          title: S.current.transaction_details_date, value: dateFormat.format(tx.date)),
+      StandartListItem(title: S.current.confirmations, value: tx.confirmations.toString()),
+      StandartListItem(title: S.current.transaction_details_height, value: '${tx.height}'),
+      StandartListItem(title: S.current.transaction_details_amount, value: tx.amountFormatted()),
+      if (tx.feeFormatted()?.isNotEmpty ?? false)
+        StandartListItem(title: S.current.transaction_details_fee, value: tx.feeFormatted()!),
+    ];
+
+    items.addAll(_items);
+  }
 }

tool/configure.dart

@@ -480,9 +480,11 @@ Future<void> generateEthereum(bool hasImplementation) async {
 """;
   const ethereumCWHeaders = """
 import 'package:cake_wallet/view_model/send/output.dart';
+import 'package:cw_core/crypto_amount_format.dart';
 import 'package:cw_core/crypto_currency.dart';
 import 'package:cw_core/erc20_token.dart';
 import 'package:cw_core/output_info.dart';
+import 'package:cw_core/transaction_info.dart';
 import 'package:cw_core/transaction_priority.dart';
 import 'package:cw_core/wallet_base.dart';
 import 'package:cw_core/wallet_credentials.dart';
@@ -491,6 +493,7 @@ import 'package:cw_core/wallet_service.dart';
 import 'package:cw_ethereum/ethereum_formatter.dart';
 import 'package:cw_ethereum/ethereum_mnemonics.dart';
 import 'package:cw_ethereum/ethereum_transaction_credentials.dart';
+import 'package:cw_ethereum/ethereum_transaction_info.dart';
 import 'package:cw_ethereum/ethereum_wallet.dart';
 import 'package:cw_ethereum/ethereum_wallet_creation_credentials.dart';
 import 'package:cw_ethereum/ethereum_wallet_service.dart';
@@ -525,6 +528,7 @@ abstract class Ethereum {
   });
 
   int formatterEthereumParseAmount(String amount);
+  double formatterEthereumAmountToDouble({required TransactionInfo transaction});
   List<Erc20Token> getERC20Currencies(WalletBase wallet);
   Future<void> addErc20Token(WalletBase wallet, Erc20Token token);
   Future<void> deleteErc20Token(WalletBase wallet, Erc20Token token);

tool/generate_secrets_config.dart

@@ -4,12 +4,12 @@ import 'utils/secret_key.dart';
 import 'utils/utils.dart';
 
 const configPath = 'tool/.secrets-config.json';
+const ethereumConfigPath = 'tool/.ethereum-secrets-config.json';
 
 Future<void> main(List<String> args) async => generateSecretsConfig(args);
 
 Future<void> generateSecretsConfig(List<String> args) async {
-  final extraInfo =
-      args.fold(<String, dynamic>{}, (Map<String, dynamic> acc, String arg) {
+  final extraInfo = args.fold(<String, dynamic>{}, (Map<String, dynamic> acc, String arg) {
     final parts = arg.split('=');
     final key = normalizeKeyName(parts[0]);
     acc[key] = acc[key] = parts.length > 1 ? parts[1] : 1;
@@ -17,6 +17,7 @@ Future<void> generateSecretsConfig(List<String> args) async {
   });
 
   final configFile = File(configPath);
+  final ethereumConfigFile = File(ethereumConfigPath);
   final secrets = <String, dynamic>{};
 
   secrets.addAll(extraInfo);
@@ -44,6 +45,19 @@ Future<void> generateSecretsConfig(List<String> args) async {
     secrets[sec.name] = sec.generate();
   });
 
-  final secretsJson = JsonEncoder.withIndent(' ').convert(secrets);
+  var secretsJson = JsonEncoder.withIndent(' ').convert(secrets);
   await configFile.writeAsString(secretsJson);
+
+  secrets.clear();
+  SecretKey.ethereumSecrets.forEach((sec) {
+    if (secrets[sec.name] != null) {
+      return;
+    }
+
+    secrets[sec.name] = sec.generate();
+  });
+
+  secretsJson = JsonEncoder.withIndent(' ').convert(secrets);
+
+  await ethereumConfigFile.writeAsString(secretsJson);
 }

tool/import_secrets_config.dart

@@ -5,19 +5,31 @@ import 'utils/utils.dart';
 const configPath = 'tool/.secrets-config.json';
 const outputPath = 'lib/.secrets.g.dart';
 
+const ethereumConfigPath = 'tool/.ethereum-secrets-config.json';
+const ethereumOutputPath = 'cw_ethereum/lib/.secrets.g.dart';
+
 Future<void> main(List<String> args) async => importSecretsConfig();
 
 Future<void> importSecretsConfig() async {
   final outputFile = File(outputPath);
-  final input = json.decode(File(configPath).readAsStringSync())
-          as Map<String, dynamic> ??
-      <String, dynamic>{};
-  final output = input.keys
-      .fold('', (String acc, String val) => acc + generateConst(val, input));
+  final input = json.decode(File(configPath).readAsStringSync()) as Map<String, dynamic>;
+  final output = input.keys.fold('', (String acc, String val) => acc + generateConst(val, input));
+
+  final ethereumOutputFile = File(ethereumOutputPath);
+  final ethereumInput =
+      json.decode(File(ethereumConfigPath).readAsStringSync()) as Map<String, dynamic>;
+  final ethereumOutput = ethereumInput.keys
+      .fold('', (String acc, String val) => acc + generateConst(val, ethereumInput));
 
   if (outputFile.existsSync()) {
     await outputFile.delete();
   }
 
   await outputFile.writeAsString(output);
+
+  if (ethereumOutputFile.existsSync()) {
+    await ethereumOutputFile.delete();
+  }
+
+  await ethereumOutputFile.writeAsString(ethereumOutput);
 }

tool/utils/secret_key.dart

@@ -33,6 +33,10 @@ class SecretKey {
     SecretKey('payfuraApiKey', () => ''),
   ];
 
+  static final ethereumSecrets = [
+    SecretKey('etherScanApiKey', () => ''),
+  ];
+
   final String name;
   final String Function() generate;
 }