mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2024-11-18 10:11:03 +00:00
606 lines
17 KiB
Dart
606 lines
17 KiB
Dart
import 'package:isar/isar.dart';
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import 'package:stackwallet/models/balance.dart';
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import 'package:stackwallet/models/isar/models/blockchain_data/address.dart';
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import 'package:stackwallet/models/isar/models/blockchain_data/transaction.dart';
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import 'package:stackwallet/models/node_model.dart';
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import 'package:stackwallet/models/paymint/fee_object_model.dart';
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import 'package:stackwallet/services/node_service.dart';
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import 'package:stackwallet/utilities/amount/amount.dart';
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import 'package:stackwallet/utilities/default_nodes.dart';
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import 'package:stackwallet/utilities/enums/coin_enum.dart';
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import 'package:stackwallet/utilities/extensions/impl/string.dart';
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import 'package:stackwallet/utilities/logger.dart';
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import 'package:stackwallet/wallets/api/tezos/tezos_account.dart';
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import 'package:stackwallet/wallets/api/tezos/tezos_api.dart';
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import 'package:stackwallet/wallets/api/tezos/tezos_rpc_api.dart';
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import 'package:stackwallet/wallets/crypto_currency/coins/tezos.dart';
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import 'package:stackwallet/wallets/crypto_currency/crypto_currency.dart';
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import 'package:stackwallet/wallets/isar/models/wallet_info.dart';
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import 'package:stackwallet/wallets/models/tx_data.dart';
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import 'package:stackwallet/wallets/wallet/intermediate/bip39_wallet.dart';
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import 'package:tezart/tezart.dart' as tezart;
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import 'package:tuple/tuple.dart';
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// const kDefaultTransactionStorageLimit = 496;
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// const kDefaultTransactionGasLimit = 10600;
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//
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// const kDefaultKeyRevealFee = 1270;
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// const kDefaultKeyRevealStorageLimit = 0;
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// const kDefaultKeyRevealGasLimit = 1100;
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class TezosWallet extends Bip39Wallet<Tezos> {
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TezosWallet(CryptoCurrencyNetwork network) : super(Tezos(network));
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NodeModel? _xtzNode;
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String get derivationPath =>
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info.otherData[WalletInfoKeys.tezosDerivationPath] as String? ?? "";
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Future<DerivationPath> _scanPossiblePaths({
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required String mnemonic,
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String passphrase = "",
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}) async {
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try {
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for (final path in Tezos.possibleDerivationPaths) {
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final ks = await _getKeyStore(path: path.value);
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// TODO: some kind of better check to see if the address has been used
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final hasHistory =
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(await TezosAPI.getTransactions(ks.address)).isNotEmpty;
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if (hasHistory) {
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return path;
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}
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}
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return Tezos.standardDerivationPath;
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} catch (e, s) {
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Logging.instance.log(
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"Error in _scanPossiblePaths() in tezos_wallet.dart: $e\n$s",
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level: LogLevel.Error,
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);
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rethrow;
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}
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}
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Future<tezart.Keystore> _getKeyStore({String? path}) async {
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final mnemonic = await getMnemonic();
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final passphrase = await getMnemonicPassphrase();
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return Tezos.mnemonicToKeyStore(
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mnemonic: mnemonic,
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mnemonicPassphrase: passphrase,
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derivationPath: path ?? derivationPath,
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);
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}
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Future<Address> _getAddressFromMnemonic() async {
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final keyStore = await _getKeyStore();
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return Address(
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walletId: walletId,
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value: keyStore.address,
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publicKey: keyStore.publicKey.toUint8ListFromBase58CheckEncoded,
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derivationIndex: 0,
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derivationPath: DerivationPath()..value = derivationPath,
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type: info.coin.primaryAddressType,
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subType: AddressSubType.receiving,
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);
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}
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Future<tezart.OperationsList> _buildSendTransaction({
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required Amount amount,
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required String address,
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required int counter,
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// required bool reveal,
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// int? customGasLimit,
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// Amount? customFee,
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// Amount? customRevealFee,
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}) async {
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try {
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final sourceKeyStore = await _getKeyStore();
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final server = (_xtzNode ?? getCurrentNode()).host;
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// if (kDebugMode) {
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// print("SERVER: $server");
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// print("COUNTER: $counter");
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// print("customFee: $customFee");
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// }
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final tezartClient = tezart.TezartClient(
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server,
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);
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final opList = await tezartClient.transferOperation(
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source: sourceKeyStore,
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destination: address,
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amount: amount.raw.toInt(),
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// customFee: customFee?.raw.toInt(),
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// customGasLimit: customGasLimit,
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// reveal: false,
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);
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// if (reveal) {
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// opList.prependOperation(
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// tezart.RevealOperation(
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// customGasLimit: customGasLimit,
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// customFee: customRevealFee?.raw.toInt(),
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// ),
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// );
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// }
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for (final op in opList.operations) {
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op.counter = counter;
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counter++;
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}
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return opList;
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} catch (e, s) {
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Logging.instance.log(
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"Error in _buildSendTransaction() in tezos_wallet.dart: $e\n$s",
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level: LogLevel.Error,
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);
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rethrow;
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}
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}
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// ===========================================================================
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@override
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Future<void> init() async {
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final _address = await getCurrentReceivingAddress();
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if (_address == null) {
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final address = await _getAddressFromMnemonic();
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await mainDB.updateOrPutAddresses([address]);
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}
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await super.init();
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}
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@override
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FilterOperation? get changeAddressFilterOperation =>
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throw UnimplementedError("Not used for $runtimeType");
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@override
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FilterOperation? get receivingAddressFilterOperation =>
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FilterGroup.and(standardReceivingAddressFilters);
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@override
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Future<TxData> prepareSend({required TxData txData}) async {
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try {
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if (txData.recipients == null || txData.recipients!.length != 1) {
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throw Exception("$runtimeType prepareSend requires 1 recipient");
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}
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Amount sendAmount = txData.amount!;
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if (sendAmount > info.cachedBalance.spendable) {
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throw Exception("Insufficient available balance");
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}
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final myAddress = (await getCurrentReceivingAddress())!;
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final account = await TezosAPI.getAccount(
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myAddress.value,
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);
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// final bool isSendAll = sendAmount == info.cachedBalance.spendable;
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//
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// int? customGasLimit;
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// Amount? fee;
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// Amount? revealFee;
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//
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// if (isSendAll) {
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// final fees = await _estimate(
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// account,
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// txData.recipients!.first.address,
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// );
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// //Fee guides for emptying a tz account
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// // https://github.com/TezTech/eztz/blob/master/PROTO_004_FEES.md
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// // customGasLimit = kDefaultTransactionGasLimit + 320;
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// fee = Amount(
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// rawValue: BigInt.from(fees.transfer + 32),
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// fractionDigits: cryptoCurrency.fractionDigits,
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// );
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//
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// BigInt rawAmount = sendAmount.raw - fee.raw;
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//
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// if (!account.revealed) {
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// revealFee = Amount(
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// rawValue: BigInt.from(fees.reveal + 32),
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// fractionDigits: cryptoCurrency.fractionDigits,
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// );
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//
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// rawAmount = rawAmount - revealFee.raw;
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// }
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//
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// sendAmount = Amount(
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// rawValue: rawAmount,
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// fractionDigits: cryptoCurrency.fractionDigits,
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// );
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// }
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final opList = await _buildSendTransaction(
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amount: sendAmount,
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address: txData.recipients!.first.address,
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counter: account.counter + 1,
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// reveal: !account.revealed,
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// customFee: isSendAll ? fee : null,
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// customRevealFee: isSendAll ? revealFee : null,
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// customGasLimit: customGasLimit,
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);
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await opList.computeLimits();
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await opList.computeFees();
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await opList.simulate();
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return txData.copyWith(
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recipients: [
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(
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amount: sendAmount,
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address: txData.recipients!.first.address,
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)
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],
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// fee: fee,
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fee: Amount(
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rawValue: opList.operations
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.map(
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(e) => BigInt.from(e.fee),
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)
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.fold(
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BigInt.zero,
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(p, e) => p + e,
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),
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fractionDigits: cryptoCurrency.fractionDigits,
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),
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tezosOperationsList: opList,
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);
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} catch (e, s) {
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Logging.instance.log(
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"Error in prepareSend() in tezos_wallet.dart: $e\n$s",
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level: LogLevel.Error,
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);
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if (e
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.toString()
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.contains("(_operationResult['errors']): Must not be null")) {
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throw Exception("Probably insufficient balance");
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} else if (e.toString().contains(
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"The simulation of the operation: \"transaction\" failed with error(s) :"
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" contract.balance_too_low, tez.subtraction_underflow.",
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)) {
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throw Exception("Insufficient balance to pay fees");
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}
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rethrow;
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}
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}
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@override
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Future<TxData> confirmSend({required TxData txData}) async {
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await txData.tezosOperationsList!.inject();
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await txData.tezosOperationsList!.monitor();
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return txData.copyWith(
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txid: txData.tezosOperationsList!.result.id,
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);
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}
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int _estCount = 0;
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Future<({int reveal, int transfer})> _estimate(
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TezosAccount account,
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String recipientAddress,
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) async {
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try {
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final opList = await _buildSendTransaction(
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amount: Amount(
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rawValue: BigInt.one,
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fractionDigits: cryptoCurrency.fractionDigits,
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),
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address: recipientAddress,
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counter: account.counter + 1,
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// reveal: !account.revealed,
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);
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await opList.computeLimits();
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await opList.computeFees();
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await opList.simulate();
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int reveal = 0;
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int transfer = 0;
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for (final op in opList.operations) {
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if (op is tezart.TransactionOperation) {
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transfer += op.fee;
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} else if (op is tezart.RevealOperation) {
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reveal += op.fee;
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}
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}
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return (reveal: reveal, transfer: transfer);
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} catch (e, s) {
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if (_estCount > 3) {
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_estCount = 0;
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Logging.instance.log(
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" Error in _estimate in tezos_wallet.dart: $e\n$s",
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level: LogLevel.Error,
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);
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rethrow;
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} else {
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_estCount++;
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Logging.instance.log(
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"_estimate() retry _estCount=$_estCount",
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level: LogLevel.Warning,
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);
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return await _estimate(
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account,
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recipientAddress,
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);
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}
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}
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}
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@override
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Future<Amount> estimateFeeFor(
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Amount amount,
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int feeRate, {
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String recipientAddress = "tz1MXvDCyXSqBqXPNDcsdmVZKfoxL9FTHmp2",
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}) async {
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if (info.cachedBalance.spendable.raw == BigInt.zero) {
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return Amount(
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rawValue: BigInt.zero,
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fractionDigits: cryptoCurrency.fractionDigits,
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);
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}
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final myAddress = (await getCurrentReceivingAddress())!;
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final account = await TezosAPI.getAccount(
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myAddress.value,
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);
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try {
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final fees = await _estimate(account, recipientAddress);
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final fee = Amount(
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rawValue: BigInt.from(fees.reveal + fees.transfer),
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fractionDigits: cryptoCurrency.fractionDigits,
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);
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return fee;
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} catch (e, s) {
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Logging.instance.log(
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" Error in estimateFeeFor() in tezos_wallet.dart: $e\n$s",
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level: LogLevel.Error,
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);
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rethrow;
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}
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}
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/// Not really used (yet)
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@override
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Future<FeeObject> get fees async {
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const feePerTx = 1;
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return FeeObject(
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numberOfBlocksFast: 10,
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numberOfBlocksAverage: 10,
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numberOfBlocksSlow: 10,
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fast: feePerTx,
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medium: feePerTx,
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slow: feePerTx,
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);
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}
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@override
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Future<bool> pingCheck() async {
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final currentNode = getCurrentNode();
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return await TezosRpcAPI.testNetworkConnection(
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nodeInfo: (
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host: currentNode.host,
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port: currentNode.port,
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),
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);
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}
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@override
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Future<void> recover({required bool isRescan}) async {
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await refreshMutex.protect(() async {
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if (isRescan) {
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await mainDB.deleteWalletBlockchainData(walletId);
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} else {
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final derivationPath = await _scanPossiblePaths(
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mnemonic: await getMnemonic(),
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passphrase: await getMnemonicPassphrase(),
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);
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await info.updateOtherData(
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newEntries: {
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WalletInfoKeys.tezosDerivationPath: derivationPath.value,
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},
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isar: mainDB.isar,
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);
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}
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final address = await _getAddressFromMnemonic();
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await mainDB.updateOrPutAddresses([address]);
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// ensure we only have a single address
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await mainDB.isar.writeTxn(() async {
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await mainDB.isar.addresses
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.where()
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.walletIdEqualTo(walletId)
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.filter()
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.not()
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.derivationPath((q) => q.valueEqualTo(derivationPath))
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.deleteAll();
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});
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if (info.cachedReceivingAddress != address.value) {
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await info.updateReceivingAddress(
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newAddress: address.value,
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isar: mainDB.isar,
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);
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}
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await Future.wait([
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updateBalance(),
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updateTransactions(),
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updateChainHeight(),
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]);
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});
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}
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@override
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Future<void> updateBalance() async {
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try {
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final currentNode = _xtzNode ?? getCurrentNode();
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final balance = await TezosRpcAPI.getBalance(
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nodeInfo: (host: currentNode.host, port: currentNode.port),
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address: (await getCurrentReceivingAddress())!.value,
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);
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final balanceInAmount = Amount(
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rawValue: balance!,
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fractionDigits: cryptoCurrency.fractionDigits,
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);
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final newBalance = Balance(
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total: balanceInAmount,
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spendable: balanceInAmount,
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blockedTotal: Amount(
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rawValue: BigInt.zero,
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fractionDigits: cryptoCurrency.fractionDigits,
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),
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pendingSpendable: Amount(
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rawValue: BigInt.zero,
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fractionDigits: cryptoCurrency.fractionDigits,
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),
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);
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await info.updateBalance(newBalance: newBalance, isar: mainDB.isar);
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} catch (e, s) {
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Logging.instance.log(
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"Error getting balance in tezos_wallet.dart: $e\n$s",
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level: LogLevel.Error,
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);
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}
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}
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@override
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Future<void> updateChainHeight() async {
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try {
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final currentNode = _xtzNode ?? getCurrentNode();
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final height = await TezosRpcAPI.getChainHeight(
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nodeInfo: (
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host: currentNode.host,
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port: currentNode.port,
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),
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);
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await info.updateCachedChainHeight(
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newHeight: height!,
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isar: mainDB.isar,
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);
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} catch (e, s) {
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Logging.instance.log(
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"Error occurred in tezos_wallet.dart while getting"
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" chain height for tezos: $e\n$s",
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level: LogLevel.Error,
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);
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}
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}
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@override
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Future<void> updateNode() async {
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_xtzNode = NodeService(secureStorageInterface: secureStorageInterface)
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.getPrimaryNodeFor(coin: info.coin) ??
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DefaultNodes.getNodeFor(info.coin);
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await refresh();
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}
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@override
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NodeModel getCurrentNode() {
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return _xtzNode ??
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NodeService(secureStorageInterface: secureStorageInterface)
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.getPrimaryNodeFor(coin: info.coin) ??
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DefaultNodes.getNodeFor(info.coin);
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}
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@override
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Future<void> updateTransactions() async {
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// TODO: optimize updateTransactions
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final myAddress = (await getCurrentReceivingAddress())!;
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final txs = await TezosAPI.getTransactions(myAddress.value);
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if (txs.isEmpty) {
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return;
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}
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List<Tuple2<Transaction, Address>> transactions = [];
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for (final theTx in txs) {
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final TransactionType txType;
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if (myAddress.value == theTx.senderAddress) {
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txType = TransactionType.outgoing;
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} else if (myAddress.value == theTx.receiverAddress) {
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if (myAddress.value == theTx.senderAddress) {
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txType = TransactionType.sentToSelf;
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} else {
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txType = TransactionType.incoming;
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}
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} else {
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|
txType = TransactionType.unknown;
|
|
}
|
|
|
|
var transaction = Transaction(
|
|
walletId: walletId,
|
|
txid: theTx.hash,
|
|
timestamp: theTx.timestamp,
|
|
type: txType,
|
|
subType: TransactionSubType.none,
|
|
amount: theTx.amountInMicroTez,
|
|
amountString: Amount(
|
|
rawValue: BigInt.from(theTx.amountInMicroTez),
|
|
fractionDigits: cryptoCurrency.fractionDigits,
|
|
).toJsonString(),
|
|
fee: theTx.feeInMicroTez,
|
|
height: theTx.height,
|
|
isCancelled: false,
|
|
isLelantus: false,
|
|
slateId: "",
|
|
otherData: "",
|
|
inputs: [],
|
|
outputs: [],
|
|
nonce: 0,
|
|
numberOfMessages: null,
|
|
);
|
|
|
|
final Address theAddress;
|
|
switch (txType) {
|
|
case TransactionType.incoming:
|
|
case TransactionType.sentToSelf:
|
|
theAddress = myAddress;
|
|
break;
|
|
case TransactionType.outgoing:
|
|
case TransactionType.unknown:
|
|
theAddress = Address(
|
|
walletId: walletId,
|
|
value: theTx.receiverAddress,
|
|
publicKey: [],
|
|
derivationIndex: 0,
|
|
derivationPath: null,
|
|
type: AddressType.unknown,
|
|
subType: AddressSubType.unknown,
|
|
);
|
|
break;
|
|
}
|
|
transactions.add(Tuple2(transaction, theAddress));
|
|
}
|
|
await mainDB.addNewTransactionData(transactions, walletId);
|
|
}
|
|
|
|
@override
|
|
Future<bool> updateUTXOs() async {
|
|
// do nothing. Not used in tezos
|
|
return false;
|
|
}
|
|
}
|