Add Eth address initial setup

cw_ethereum/lib/ethereum_client.dart

@@ -1,6 +1,7 @@
 import 'package:cw_core/node.dart';
 import 'package:cw_ethereum/ethereum_transaction_priority.dart';
 import 'package:http/http.dart';
+import 'package:web3dart/crypto.dart';
 import 'package:web3dart/web3dart.dart';
 
 class EthereumClient {
@@ -30,14 +31,32 @@ class EthereumClient {
   Future<List<int>> getEstimatedGasForPriorities() async {
     final result = await Future.wait(EthereumTransactionPriority.all.map(
       (priority) => _client!.estimateGas(
-        maxPriorityFeePerGas: EtherAmount.fromUnitAndValue(EtherUnit.gwei, priority.tip),
-        // maxFeePerGas: EtherAmount.fromUnitAndValue(EtherUnit.gwei, 100),
-      ),
+          // maxPriorityFeePerGas: EtherAmount.fromUnitAndValue(EtherUnit.gwei, priority.tip),
+          // maxFeePerGas: EtherAmount.fromUnitAndValue(EtherUnit.gwei, 100),
+          ),
     ));
 
     return result.map((e) => e.toInt()).toList();
   }
 
+  Future<String> signTransaction(String privateKey, String toAddress, String amount) async {
+    final credentials = EthPrivateKey.fromHex(privateKey);
+
+    final transaction = Transaction(
+      from: credentials.address,
+      to: EthereumAddress.fromHex(toAddress),
+      value: EtherAmount.zero(),
+    );
+    print("@@@@@@@@@@@@@@@@@");
+    print(transaction);
+
+    String tr = bytesToHex(await _client!.signTransaction(credentials, transaction));
+    print("@@@@@@@@@@@@@@@@@");
+    print(tr);
+
+    return tr;
+  }
+
   Future<String> sendTransaction(String privateKey, String toAddress, String amount) async {
     final credentials = EthPrivateKey.fromHex(privateKey);
 
@@ -47,8 +66,6 @@ class EthereumClient {
       value: EtherAmount.fromUnitAndValue(EtherUnit.ether, amount),
     );
 
-    await _client!.signTransaction(credentials, transaction);
-
     return await _client!.sendTransaction(
       credentials,
       transaction,

cw_ethereum/lib/ethereum_exceptions.dart

@@ -1,6 +1,9 @@
 class EthereumTransactionCreationException implements Exception {
-  EthereumTransactionCreationException();
+  final String exceptionMessage;
+
+  EthereumTransactionCreationException(
+      {this.exceptionMessage = 'Wrong balance. Not enough Ether on your balance.'});
 
   @override
-  String toString() => 'Wrong balance. Not enough Ether on your balance.';
-}
+  String toString() => exceptionMessage;
+}

cw_ethereum/lib/ethereum_wallet.dart

@@ -72,6 +72,7 @@ abstract class EthereumWalletBase
   late ObservableMap<CryptoCurrency, EthereumBalance> balance;
 
   Future<void> init() async {
+    await walletAddresses.init();
     _privateKey = await getPrivateKey(_mnemonic, _password);
     transactionHistory = EthereumTransactionHistory();
     walletAddresses.address = EthPrivateKey.fromHex(_privateKey).address.toString();
@@ -120,76 +121,42 @@ abstract class EthereumWalletBase
 
   @override
   Future<PendingTransaction> createTransaction(Object credentials) async {
+    print("!!!!!!!!!!!!!!!!!!!");
     final _credentials = credentials as EthereumTransactionCredentials;
     final outputs = _credentials.outputs;
     final hasMultiDestination = outputs.length > 1;
     final balance = await _client.getBalance(_privateKey);
+    int totalAmount = 0;
 
     if (hasMultiDestination) {
-      outputs.any((element) => element.sendAll);
-    }
-
-
-    if (hasMultiDestination) {
-      if (outputs.any((item) => item.sendAll
-          || (item.formattedCryptoAmount ?? 0) <= 0)) {
+      if (outputs.any((item) => item.sendAll || (item.formattedCryptoAmount ?? 0) <= 0)) {
         throw EthereumTransactionCreationException();
       }
 
-      final BigInt totalAmount = outputs.fold(0, (acc, value) =>
-      acc + (value.formattedCryptoAmount ?? 0));
+      totalAmount = outputs.fold(0, (acc, value) => acc + (value.formattedCryptoAmount ?? 0));
 
-      if (balance.getInWei < EtherAmount.inWei(totalAmount)) {
-        throw MoneroTransactionCreationException('Wrong balance. Not enough XMR on your balance.');
+      if (balance.getInWei < EtherAmount.inWei(totalAmount as BigInt).getInWei) {
+        throw EthereumTransactionCreationException();
       }
-
-      final moneroOutputs = outputs.map((output) {
-        final outputAddress = output.isParsedAddress
-            ? output.extractedAddress
-            : output.address;
-
-        return MoneroOutput(
-            address: outputAddress!,
-            amount: output.cryptoAmount!.replaceAll(',', '.'));
-      }).toList();
-
-      pendingTransactionDescription =
-      await transaction_history.createTransactionMultDest(
-          outputs: moneroOutputs,
-          priorityRaw: _credentials.priority.serialize(),
-          accountIndex: walletAddresses.account!.id);
     } else {
       final output = outputs.first;
-      final address = output.isParsedAddress
-          ? output.extractedAddress
-          : output.address;
-      final amount = output.sendAll
-          ? null
-          : output.cryptoAmount!.replaceAll(',', '.');
-      final formattedAmount = output.sendAll
-          ? null
-          : output.formattedCryptoAmount;
+      final int allAmount = balance.getInWei.toInt() - feeRate(_credentials.priority!);
+      totalAmount = output.sendAll ? allAmount : output.formattedCryptoAmount ?? 0;
 
-      if ((formattedAmount != null && unlockedBalance < formattedAmount) ||
-          (formattedAmount == null && unlockedBalance <= 0)) {
-        final formattedBalance = moneroAmountToString(amount: unlockedBalance);
-
-        throw MoneroTransactionCreationException(
-            'Incorrect unlocked balance. Unlocked: $formattedBalance. Transaction amount: ${output.cryptoAmount}.');
+      if ((output.sendAll &&
+              balance.getInWei < EtherAmount.inWei(totalAmount as BigInt).getInWei) ||
+          (!output.sendAll && balance.getInWei.toInt() <= 0)) {
+        throw EthereumTransactionCreationException();
       }
-
-      pendingTransactionDescription =
-      await transaction_history.createTransaction(
-          address: address!,
-          amount: amount,
-          priorityRaw: _credentials.priority.serialize(),
-          accountIndex: walletAddresses.account!.id);
     }
 
+    await _client.signTransaction(_privateKey, _credentials.outputs.first.address, totalAmount.toString());
+
     return PendingEthereumTransaction(
       client: _client,
       credentials: _credentials,
       privateKey: _privateKey,
+      amount: totalAmount,
     );
   }
 
@@ -208,6 +175,7 @@ abstract class EthereumWalletBase
 
   @override
   Future<void> save() async {
+    await walletAddresses.updateAddressesInBox();
     final path = await makePath();
     await write(path: path, password: _password, data: toJSON());
     await transactionHistory.save();

cw_ethereum/lib/ethereum_wallet_addresses.dart

@@ -15,14 +15,19 @@ abstract class EthereumWalletAddressesBase extends WalletAddresses with Store {
   String address;
 
   @override
-  Future<void> init() {
-    // TODO: implement init
-    throw UnimplementedError();
+  Future<void> init() async {
+    address = walletInfo.address;
+    await updateAddressesInBox();
   }
 
   @override
-  Future<void> updateAddressesInBox() {
-    // TODO: implement updateAddressesInBox
-    throw UnimplementedError();
+  Future<void> updateAddressesInBox() async {
+    try {
+      addressesMap.clear();
+      addressesMap[address] = '';
+      await saveAddressesInBox();
+    } catch (e) {
+      print(e.toString());
+    }
   }
 }

cw_ethereum/lib/pending_ethereum_transaction.dart

@@ -1,3 +1,5 @@
+import 'package:cw_core/amount_converter.dart';
+import 'package:cw_core/crypto_currency.dart';
 import 'package:cw_core/pending_transaction.dart';
 import 'package:cw_ethereum/ethereum_client.dart';
 import 'package:cw_ethereum/ethereum_transaction_credentials.dart';
@@ -6,16 +8,17 @@ class PendingEthereumTransaction with PendingTransaction {
   final EthereumClient client;
   final EthereumTransactionCredentials credentials;
   final String privateKey;
+  final int amount;
 
   PendingEthereumTransaction({
     required this.client,
     required this.credentials,
     required this.privateKey,
+    required this.amount,
   });
 
   @override
-  // TODO: implement amountFormatted
-  String get amountFormatted => throw UnimplementedError();
+  String get amountFormatted => AmountConverter.amountIntToString(CryptoCurrency.eth, amount);
 
   @override
   Future<void> commit() async {
@@ -26,13 +29,13 @@ class PendingEthereumTransaction with PendingTransaction {
 
   @override
   // TODO: implement feeFormatted
-  String get feeFormatted => throw UnimplementedError();
+  String get feeFormatted => "0.01";
 
   @override
   // TODO: implement hex
-  String get hex => throw UnimplementedError();
+  String get hex => "hex";
 
   @override
   // TODO: implement id
-  String get id => throw UnimplementedError();
+  String get id => "id";
 }