untested stellar

lib/db/migrate_wallets_to_isar.dart

@@ -86,6 +86,11 @@ Future<void> migrateWalletsToIsar({
       }
     }
 
+    // reset stellar address type
+    if (old.coin == Coin.stellar || old.coin == Coin.stellarTestnet) {
+      await MainDB.instance.deleteWalletBlockchainData(old.walletId);
+    }
+
     //
     // Set other data values
     //

lib/models/isar/models/blockchain_data/address.dart

@@ -161,6 +161,7 @@ enum AddressType {
   nano,
   banano,
   spark,
+  stellar,
   ;
 
   String get readableName {
@@ -187,6 +188,8 @@ enum AddressType {
         return "Banano";
       case AddressType.spark:
         return "Spark";
+      case AddressType.stellar:
+        return "Stellar";
     }
   }
 }

lib/models/isar/models/blockchain_data/address.g.dart

@@ -264,6 +264,7 @@ const _AddresstypeEnumValueMap = {
   'nano': 8,
   'banano': 9,
   'spark': 10,
+  'stellar': 11,
 };
 const _AddresstypeValueEnumMap = {
   0: AddressType.p2pkh,
@@ -277,6 +278,7 @@ const _AddresstypeValueEnumMap = {
   8: AddressType.nano,
   9: AddressType.banano,
   10: AddressType.spark,
+  11: AddressType.stellar,
 };
 
 Id _addressGetId(Address object) {

lib/services/coins/coin_service.dart

@@ -14,7 +14,6 @@ import 'package:stackwallet/models/balance.dart';
 import 'package:stackwallet/models/isar/models/isar_models.dart' as isar_models;
 import 'package:stackwallet/models/node_model.dart';
 import 'package:stackwallet/models/paymint/fee_object_model.dart';
-import 'package:stackwallet/services/coins/stellar/stellar_wallet.dart';
 import 'package:stackwallet/services/transaction_notification_tracker.dart';
 import 'package:stackwallet/utilities/amount/amount.dart';
 import 'package:stackwallet/utilities/enums/coin_enum.dart';
@@ -109,22 +108,10 @@ abstract class CoinServiceAPI {
         throw UnimplementedError("moved");
 
       case Coin.stellar:
-        return StellarWallet(
-          walletId: walletId,
-          walletName: walletName,
-          coin: coin,
-          secureStore: secureStorageInterface,
-          tracker: tracker,
-        );
+        throw UnimplementedError("moved");
 
       case Coin.stellarTestnet:
-        return StellarWallet(
-          walletId: walletId,
-          walletName: walletName,
-          coin: coin,
-          secureStore: secureStorageInterface,
-          tracker: tracker,
-        );
+        throw UnimplementedError("moved");
 
       case Coin.tezos:
         throw UnimplementedError("moved");

lib/utilities/enums/coin_enum.dart

@@ -399,9 +399,7 @@ extension CoinExt on Coin {
 
       case Coin.stellar:
       case Coin.stellarTestnet:
-        // should not be unknown but since already used in prod changing
-        // this requires a migrate
-        return AddressType.unknown;
+        return AddressType.stellar;
     }
   }
 }

lib/wallets/crypto_currency/coins/stellar.dart

@@ -0,0 +1,42 @@
+import 'package:stackwallet/models/node_model.dart';
+import 'package:stackwallet/utilities/default_nodes.dart';
+import 'package:stackwallet/utilities/enums/coin_enum.dart';
+import 'package:stackwallet/wallets/crypto_currency/crypto_currency.dart';
+import 'package:stackwallet/wallets/crypto_currency/intermediate/bip39_currency.dart';
+
+class Stellar extends Bip39Currency {
+  Stellar(super.network) {
+    switch (network) {
+      case CryptoCurrencyNetwork.main:
+        coin = Coin.stellar;
+      case CryptoCurrencyNetwork.test:
+        coin = Coin.stellarTestnet;
+      default:
+        throw Exception("Unsupported network: $network");
+    }
+  }
+
+  @override
+  int get minConfirms => 1;
+
+  @override
+  String get genesisHash => throw UnimplementedError(
+        "Not used for stellar",
+      );
+
+  @override
+  NodeModel get defaultNode {
+    switch (network) {
+      case CryptoCurrencyNetwork.main:
+        return DefaultNodes.stellar;
+      case CryptoCurrencyNetwork.test:
+        return DefaultNodes.stellarTestnet;
+      default:
+        throw Exception("Unsupported network");
+    }
+  }
+
+  @override
+  bool validateAddress(String address) =>
+      RegExp(r"^[G][A-Z0-9]{55}$").hasMatch(address);
+}

lib/wallets/isar/models/wallet_info.g.dart

@@ -263,6 +263,7 @@ const _WalletInfomainAddressTypeEnumValueMap = {
   'nano': 8,
   'banano': 9,
   'spark': 10,
+  'stellar': 11,
 };
 const _WalletInfomainAddressTypeValueEnumMap = {
   0: AddressType.p2pkh,
@@ -276,6 +277,7 @@ const _WalletInfomainAddressTypeValueEnumMap = {
   8: AddressType.nano,
   9: AddressType.banano,
   10: AddressType.spark,
+  11: AddressType.stellar,
 };
 
 Id _walletInfoGetId(WalletInfo object) {

lib/wallets/wallet/impl/stellar_wallet.dart

@@ -0,0 +1,561 @@
+import 'dart:async';
+import 'dart:convert';
+
+import 'package:isar/isar.dart';
+import 'package:stackwallet/models/balance.dart';
+import 'package:stackwallet/models/isar/models/blockchain_data/address.dart';
+import 'package:stackwallet/models/isar/models/blockchain_data/transaction.dart';
+import 'package:stackwallet/models/isar/models/blockchain_data/v2/input_v2.dart';
+import 'package:stackwallet/models/isar/models/blockchain_data/v2/output_v2.dart';
+import 'package:stackwallet/models/isar/models/blockchain_data/v2/transaction_v2.dart';
+import 'package:stackwallet/models/paymint/fee_object_model.dart';
+import 'package:stackwallet/utilities/amount/amount.dart';
+import 'package:stackwallet/utilities/enums/fee_rate_type_enum.dart';
+import 'package:stackwallet/utilities/logger.dart';
+import 'package:stackwallet/utilities/test_stellar_node_connection.dart';
+import 'package:stackwallet/wallets/crypto_currency/coins/stellar.dart';
+import 'package:stackwallet/wallets/crypto_currency/crypto_currency.dart';
+import 'package:stackwallet/wallets/models/tx_data.dart';
+import 'package:stackwallet/wallets/wallet/intermediate/bip39_wallet.dart';
+import 'package:stellar_flutter_sdk/stellar_flutter_sdk.dart' as stellar;
+
+class StellarWallet extends Bip39Wallet<Stellar> {
+  StellarWallet(CryptoCurrencyNetwork network) : super(Stellar(network));
+
+  stellar.StellarSDK get stellarSdk {
+    if (_stellarSdk == null) {
+      _updateSdk();
+    }
+    return _stellarSdk!;
+  }
+
+  stellar.Network get stellarNetwork {
+    switch (cryptoCurrency.network) {
+      case CryptoCurrencyNetwork.main:
+        return stellar.Network.PUBLIC;
+      case CryptoCurrencyNetwork.test:
+        return stellar.Network.TESTNET;
+      default:
+        throw Exception("Unsupported network");
+    }
+  }
+
+  // ============== Private ====================================================
+
+  stellar.StellarSDK? _stellarSdk;
+
+  Future<int> _getBaseFee() async {
+    final fees = await stellarSdk.feeStats.execute();
+    return int.parse(fees.lastLedgerBaseFee);
+  }
+
+  void _updateSdk() {
+    final currentNode = getCurrentNode();
+    _stellarSdk = stellar.StellarSDK("${currentNode.host}:${currentNode.port}");
+  }
+
+  Future<bool> _accountExists(String accountId) async {
+    bool exists = false;
+
+    try {
+      final receiverAccount = await stellarSdk.accounts.account(accountId);
+      if (receiverAccount.accountId != "") {
+        exists = true;
+      }
+    } catch (e, s) {
+      Logging.instance.log(
+          "Error getting account  ${e.toString()} - ${s.toString()}",
+          level: LogLevel.Error);
+    }
+    return exists;
+  }
+
+  Future<stellar.Wallet> _getStellarWallet() async {
+    return await stellar.Wallet.from(
+      await getMnemonic(),
+      passphrase: await getMnemonicPassphrase(),
+    );
+  }
+
+  Future<stellar.KeyPair> _getSenderKeyPair({required int index}) async {
+    final wallet = await _getStellarWallet();
+    return await wallet.getKeyPair(index: index);
+  }
+
+  Future<Address> _fetchStellarAddress({required int index}) async {
+    final stellar.KeyPair keyPair = await _getSenderKeyPair(index: index);
+    final String address = keyPair.accountId;
+
+    return Address(
+      walletId: walletId,
+      value: address,
+      publicKey: keyPair.publicKey,
+      derivationIndex: index,
+      derivationPath: null,
+      type: AddressType.stellar,
+      subType: AddressSubType.receiving,
+    );
+  }
+
+  // ============== Overrides ==================================================
+
+  @override
+  int get isarTransactionVersion => 2;
+
+  @override
+  FilterOperation? get changeAddressFilterOperation =>
+      FilterGroup.and(standardChangeAddressFilters);
+
+  @override
+  FilterOperation? get receivingAddressFilterOperation =>
+      FilterGroup.and(standardReceivingAddressFilters);
+
+  @override
+  Future<void> init() async {
+    try {
+      final address = await getCurrentReceivingAddress();
+      if (address == null) {
+        await mainDB
+            .updateOrPutAddresses([await _fetchStellarAddress(index: 0)]);
+      }
+    } catch (_) {
+      // do nothing, still allow user into wallet
+    }
+    return super.init();
+  }
+
+  @override
+  Future<TxData> prepareSend({required TxData txData}) async {
+    try {
+      if (txData.recipients?.length != 1) {
+        throw Exception("Missing recipient");
+      }
+
+      final feeRate = txData.feeRateType;
+      var fee = 1000;
+      if (feeRate is FeeRateType) {
+        final theFees = await fees;
+        switch (feeRate) {
+          case FeeRateType.fast:
+            fee = theFees.fast;
+          case FeeRateType.slow:
+            fee = theFees.slow;
+          case FeeRateType.average:
+          default:
+            fee = theFees.medium;
+        }
+      }
+
+      return txData.copyWith(
+        fee: Amount(
+          rawValue: BigInt.from(fee),
+          fractionDigits: cryptoCurrency.fractionDigits,
+        ),
+      );
+    } catch (e, s) {
+      Logging.instance.log("$runtimeType prepareSend() failed: $e\n$s",
+          level: LogLevel.Error);
+      rethrow;
+    }
+  }
+
+  @override
+  Future<TxData> confirmSend({required TxData txData}) async {
+    final senderKeyPair = await _getSenderKeyPair(index: 0);
+    final sender = await stellarSdk.accounts.account(senderKeyPair.accountId);
+
+    final address = txData.recipients!.first.address;
+    final amountToSend = txData.recipients!.first.amount;
+    final memo = txData.memo;
+
+    //First check if account exists, can be skipped, but if the account does not exist,
+    // the transaction fee will be charged when the transaction fails.
+    final validAccount = await _accountExists(address);
+    final stellar.TransactionBuilder transactionBuilder;
+
+    if (!validAccount) {
+      //Fund the account, user must ensure account is correct
+      final createAccBuilder = stellar.CreateAccountOperationBuilder(
+        address,
+        amountToSend.decimal.toString(),
+      );
+      transactionBuilder = stellar.TransactionBuilder(sender).addOperation(
+        createAccBuilder.build(),
+      );
+    } else {
+      transactionBuilder = stellar.TransactionBuilder(sender).addOperation(
+        stellar.PaymentOperationBuilder(
+          address,
+          stellar.Asset.NATIVE,
+          amountToSend.decimal.toString(),
+        ).build(),
+      );
+    }
+
+    if (memo != null) {
+      transactionBuilder.addMemo(stellar.MemoText(memo));
+    }
+
+    final transaction = transactionBuilder.build();
+
+    transaction.sign(senderKeyPair, stellarNetwork);
+    try {
+      final response = await stellarSdk.submitTransaction(transaction);
+      if (!response.success) {
+        throw Exception("${response.extras?.resultCodes?.transactionResultCode}"
+            " ::: ${response.extras?.resultCodes?.operationsResultCodes}");
+      }
+
+      return txData.copyWith(
+        txHash: response.hash!,
+        txid: response.hash!,
+      );
+    } catch (e, s) {
+      Logging.instance.log("Error sending TX $e - $s", level: LogLevel.Error);
+      rethrow;
+    }
+  }
+
+  @override
+  Future<Amount> estimateFeeFor(Amount amount, int feeRate) async {
+    final baseFee = await _getBaseFee();
+    return Amount(
+      rawValue: BigInt.from(baseFee),
+      fractionDigits: cryptoCurrency.fractionDigits,
+    );
+  }
+
+  @override
+  Future<FeeObject> get fees async {
+    int fee = await _getBaseFee();
+    return FeeObject(
+      numberOfBlocksFast: 1,
+      numberOfBlocksAverage: 1,
+      numberOfBlocksSlow: 1,
+      fast: fee,
+      medium: fee,
+      slow: fee,
+    );
+  }
+
+  @override
+  Future<bool> pingCheck() async {
+    final currentNode = getCurrentNode();
+    return await testStellarNodeConnection(currentNode.host, currentNode.port);
+  }
+
+  @override
+  Future<void> recover({required bool isRescan}) async {
+    await refreshMutex.protect(() async {
+      if (isRescan) {
+        await mainDB.deleteWalletBlockchainData(walletId);
+      }
+
+      await mainDB.updateOrPutAddresses([await _fetchStellarAddress(index: 0)]);
+    });
+
+    if (isRescan) {
+      unawaited(refresh());
+    }
+  }
+
+  @override
+  Future<void> updateBalance() async {
+    try {
+      stellar.AccountResponse accountResponse;
+
+      try {
+        accountResponse = await stellarSdk.accounts
+            .account((await getCurrentReceivingAddress())!.value)
+            .onError((error, stackTrace) => throw error!);
+      } catch (e) {
+        if (e is stellar.ErrorResponse &&
+            e.body.contains("The resource at the url requested was not found.  "
+                "This usually occurs for one of two reasons:  "
+                "The url requested is not valid, or no data in our database "
+                "could be found with the parameters provided.")) {
+          // probably just doesn't have any history yet or whatever stellar needs
+          return;
+        } else {
+          Logging.instance.log(
+            "$runtimeType ${info.name} $walletId "
+            "failed to fetch account to updateBalance",
+            level: LogLevel.Warning,
+          );
+          rethrow;
+        }
+      }
+
+      for (stellar.Balance balance in accountResponse.balances) {
+        switch (balance.assetType) {
+          case stellar.Asset.TYPE_NATIVE:
+            final swBalance = Balance(
+              total: Amount(
+                rawValue: BigInt.from(float.parse(balance.balance) * 10000000),
+                fractionDigits: cryptoCurrency.fractionDigits,
+              ),
+              spendable: Amount(
+                rawValue: BigInt.from(float.parse(balance.balance) * 10000000),
+                fractionDigits: cryptoCurrency.fractionDigits,
+              ),
+              blockedTotal: Amount(
+                rawValue: BigInt.from(0),
+                fractionDigits: cryptoCurrency.fractionDigits,
+              ),
+              pendingSpendable: Amount(
+                rawValue: BigInt.from(0),
+                fractionDigits: cryptoCurrency.fractionDigits,
+              ),
+            );
+            await info.updateBalance(newBalance: swBalance, isar: mainDB.isar);
+        }
+      }
+    } catch (e, s) {
+      Logging.instance.log(
+        "$runtimeType ${info.name} $walletId "
+        "updateBalance() failed: $e\n$s",
+        level: LogLevel.Warning,
+      );
+      rethrow;
+    }
+  }
+
+  @override
+  Future<void> updateChainHeight() async {
+    try {
+      final height = await stellarSdk.ledgers
+          .order(stellar.RequestBuilderOrder.DESC)
+          .limit(1)
+          .execute()
+          .then((value) => value.records!.first.sequence);
+      await info.updateCachedChainHeight(newHeight: height, isar: mainDB.isar);
+    } catch (e, s) {
+      Logging.instance.log(
+        "$runtimeType updateChainHeight() failed: $e\n$s",
+        level: LogLevel.Error,
+      );
+
+      rethrow;
+    }
+  }
+
+  @override
+  Future<void> updateNode() async {
+    _updateSdk();
+  }
+
+  @override
+  Future<void> updateTransactions() async {
+    try {
+      final myAddress = (await getCurrentReceivingAddress())!;
+
+      List<TransactionV2> transactionList = [];
+      stellar.Page<stellar.OperationResponse> payments;
+      try {
+        payments = await stellarSdk.payments
+            .forAccount(myAddress.value)
+            .order(stellar.RequestBuilderOrder.DESC)
+            .execute();
+      } catch (e) {
+        if (e is stellar.ErrorResponse &&
+            e.body.contains("The resource at the url requested was not found.  "
+                "This usually occurs for one of two reasons:  "
+                "The url requested is not valid, or no data in our database "
+                "could be found with the parameters provided.")) {
+          // probably just doesn't have any history yet or whatever stellar needs
+          return;
+        } else {
+          Logging.instance.log(
+            "Stellar ${info.name} $walletId failed to fetch transactions",
+            level: LogLevel.Warning,
+          );
+          rethrow;
+        }
+      }
+      for (stellar.OperationResponse response in payments.records!) {
+        // PaymentOperationResponse por;
+        if (response is stellar.PaymentOperationResponse) {
+          final por = response;
+
+          final addressTo = por.to!.accountId;
+          final addressFrom = por.from!.accountId;
+
+          final TransactionType type;
+          if (addressFrom == myAddress.value) {
+            if (addressTo == myAddress.value) {
+              type = TransactionType.sentToSelf;
+            } else {
+              type = TransactionType.outgoing;
+            }
+          } else {
+            type = TransactionType.incoming;
+          }
+          final amount = Amount(
+            rawValue: BigInt.parse(float
+                .parse(por.amount!)
+                .toStringAsFixed(cryptoCurrency.fractionDigits)
+                .replaceAll(".", "")),
+            fractionDigits: cryptoCurrency.fractionDigits,
+          );
+
+          // hack eth tx data into inputs and outputs
+          final List<OutputV2> outputs = [];
+          final List<InputV2> inputs = [];
+
+          OutputV2 output = OutputV2.isarCantDoRequiredInDefaultConstructor(
+            scriptPubKeyHex: "00",
+            valueStringSats: amount.raw.toString(),
+            addresses: [
+              addressTo,
+            ],
+            walletOwns: addressTo == myAddress.value,
+          );
+          InputV2 input = InputV2.isarCantDoRequiredInDefaultConstructor(
+            scriptSigHex: null,
+            sequence: null,
+            outpoint: null,
+            addresses: [addressFrom],
+            valueStringSats: amount.raw.toString(),
+            witness: null,
+            innerRedeemScriptAsm: null,
+            coinbase: null,
+            walletOwns: addressFrom == myAddress.value,
+          );
+
+          outputs.add(output);
+          inputs.add(input);
+
+          int fee = 0;
+          int height = 0;
+          //Query the transaction linked to the payment,
+          // por.transaction returns a null sometimes
+          stellar.TransactionResponse tx =
+              await stellarSdk.transactions.transaction(por.transactionHash!);
+
+          if (tx.hash.isNotEmpty) {
+            fee = tx.feeCharged!;
+            height = tx.ledger;
+          }
+
+          final otherData = {
+            "overrideFee": Amount(
+              rawValue: BigInt.from(fee),
+              fractionDigits: cryptoCurrency.fractionDigits,
+            ).toJsonString(),
+          };
+
+          final theTransaction = TransactionV2(
+            walletId: walletId,
+            blockHash: "",
+            hash: por.transactionHash!,
+            txid: por.transactionHash!,
+            timestamp:
+                DateTime.parse(por.createdAt!).millisecondsSinceEpoch ~/ 1000,
+            height: height,
+            inputs: inputs,
+            outputs: outputs,
+            version: -1,
+            type: type,
+            subType: TransactionSubType.none,
+            otherData: jsonEncode(otherData),
+          );
+
+          transactionList.add(theTransaction);
+        } else if (response is stellar.CreateAccountOperationResponse) {
+          final caor = response;
+          final TransactionType type;
+          if (caor.sourceAccount == myAddress.value) {
+            type = TransactionType.outgoing;
+          } else {
+            type = TransactionType.incoming;
+          }
+          final amount = Amount(
+            rawValue: BigInt.parse(float
+                .parse(caor.startingBalance!)
+                .toStringAsFixed(cryptoCurrency.fractionDigits)
+                .replaceAll(".", "")),
+            fractionDigits: cryptoCurrency.fractionDigits,
+          );
+
+          // hack eth tx data into inputs and outputs
+          final List<OutputV2> outputs = [];
+          final List<InputV2> inputs = [];
+
+          OutputV2 output = OutputV2.isarCantDoRequiredInDefaultConstructor(
+            scriptPubKeyHex: "00",
+            valueStringSats: amount.raw.toString(),
+            addresses: [
+              // this is what the previous code was doing and I don't think its correct
+              caor.sourceAccount!,
+            ],
+            walletOwns: caor.sourceAccount! == myAddress.value,
+          );
+          InputV2 input = InputV2.isarCantDoRequiredInDefaultConstructor(
+            scriptSigHex: null,
+            sequence: null,
+            outpoint: null,
+            addresses: [
+              // this is what the previous code was doing and I don't think its correct
+              caor.sourceAccount!,
+            ],
+            valueStringSats: amount.raw.toString(),
+            witness: null,
+            innerRedeemScriptAsm: null,
+            coinbase: null,
+            walletOwns: caor.sourceAccount! == myAddress.value,
+          );
+
+          outputs.add(output);
+          inputs.add(input);
+
+          int fee = 0;
+          int height = 0;
+          final tx =
+              await stellarSdk.transactions.transaction(caor.transactionHash!);
+          if (tx.hash.isNotEmpty) {
+            fee = tx.feeCharged!;
+            height = tx.ledger;
+          }
+
+          final otherData = {
+            "overrideFee": Amount(
+              rawValue: BigInt.from(fee),
+              fractionDigits: cryptoCurrency.fractionDigits,
+            ).toJsonString(),
+          };
+
+          final theTransaction = TransactionV2(
+            walletId: walletId,
+            blockHash: "",
+            hash: caor.transactionHash!,
+            txid: caor.transactionHash!,
+            timestamp:
+                DateTime.parse(caor.createdAt!).millisecondsSinceEpoch ~/ 1000,
+            height: height,
+            inputs: inputs,
+            outputs: outputs,
+            version: -1,
+            type: type,
+            subType: TransactionSubType.none,
+            otherData: jsonEncode(otherData),
+          );
+
+          transactionList.add(theTransaction);
+        }
+      }
+
+      await mainDB.updateOrPutTransactionV2s(transactionList);
+    } catch (e, s) {
+      Logging.instance.log(
+          "Exception rethrown from updateTransactions(): $e\n$s",
+          level: LogLevel.Error);
+      rethrow;
+    }
+  }
+
+  @override
+  Future<bool> updateUTXOs() async {
+    // do nothing for stellar
+    return false;
+  }
+}

lib/wallets/wallet/wallet.dart

@@ -36,6 +36,7 @@ import 'package:stackwallet/wallets/wallet/impl/monero_wallet.dart';
 import 'package:stackwallet/wallets/wallet/impl/namecoin_wallet.dart';
 import 'package:stackwallet/wallets/wallet/impl/nano_wallet.dart';
 import 'package:stackwallet/wallets/wallet/impl/particl_wallet.dart';
+import 'package:stackwallet/wallets/wallet/impl/stellar_wallet.dart';
 import 'package:stackwallet/wallets/wallet/impl/sub_wallets/eth_token_wallet.dart';
 import 'package:stackwallet/wallets/wallet/impl/tezos_wallet.dart';
 import 'package:stackwallet/wallets/wallet/impl/wownero_wallet.dart';
@@ -209,7 +210,7 @@ abstract class Wallet<T extends CryptoCurrency> {
   static Wallet loadTokenWallet({
     required EthereumWallet ethWallet,
     required EthContract contract,
-  })  {
+  }) {
     final Wallet wallet = EthTokenWallet(
       ethWallet,
       contract,
@@ -329,6 +330,11 @@ abstract class Wallet<T extends CryptoCurrency> {
       case Coin.particl:
         return ParticlWallet(CryptoCurrencyNetwork.main);
 
+      case Coin.stellar:
+        return StellarWallet(CryptoCurrencyNetwork.main);
+      case Coin.stellarTestnet:
+        return StellarWallet(CryptoCurrencyNetwork.test);
+
       case Coin.tezos:
         return TezosWallet(CryptoCurrencyNetwork.main);