mirror of
https://github.com/cypherstack/stack_wallet.git
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WIP:ADd Ethereum
This commit is contained in:
likho
parent
6370e927a2
commit
c6d5ad598c
1 changed files with 93 additions and 24 deletions
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@ -11,6 +11,7 @@ import 'package:stackwallet/utilities/flutter_secure_storage_interface.dart';
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import 'package:stackwallet/utilities/prefs.dart';
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import 'package:string_to_hex/string_to_hex.dart';
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import 'package:web3dart/web3dart.dart';
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import 'package:web3dart/web3dart.dart' as Transaction;
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// import 'package:string_to_hex/string_to_hex.dart';
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// import 'package:web3dart/credentials.dart';
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// import 'package:web3dart/web3dart.dart';
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@ -57,6 +58,8 @@ class EthereumWallet extends CoinServiceAPI {
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"https://mainnet.infura.io/v3/22677300bf774e49a458b73313ee56ba",
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Client());
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late EthPrivateKey _credentials;
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EthereumWallet(
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{required String walletId,
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required String walletName,
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@ -82,25 +85,48 @@ class EthereumWallet extends CoinServiceAPI {
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@override
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// TODO: implement allOwnAddresses
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Future<List<String>> get allOwnAddresses => throw UnimplementedError();
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Future<List<String>> get allOwnAddresses =>
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_allOwnAddresses ??= _fetchAllOwnAddresses();
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Future<List<String>>? _allOwnAddresses;
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Future<List<String>> _fetchAllOwnAddresses() async {
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List<String> addresses = [];
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final ownAddress = _credentials.address;
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addresses.add(ownAddress.toString());
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return addresses;
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}
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@override
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// TODO: implement availableBalance
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Future<Decimal> get availableBalance => throw UnimplementedError();
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Future<Decimal> get availableBalance async {
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EtherAmount ethBalance = await _client.getBalance(_credentials.address);
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return Decimal.parse(ethBalance.getValueInUnit(EtherUnit.ether).toString());
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}
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@override
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// TODO: implement balanceMinusMaxFee
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Future<Decimal> get balanceMinusMaxFee => throw UnimplementedError();
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@override
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Future<String> confirmSend({required Map<String, dynamic> txData}) {
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// TODO: implement confirmSend
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throw UnimplementedError();
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Future<String> confirmSend({required Map<String, dynamic> txData}) async {
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final transaction = await _client.sendTransaction(
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_credentials,
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Transaction(
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to: EthereumAddress.fromHex(
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'0xC914Bb2ba888e3367bcecEb5C2d99DF7C7423706'),
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gasPrice: EtherAmount.inWei(BigInt.one),
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maxGas: 100000,
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value: EtherAmount.fromUnitAndValue(EtherUnit.ether, 1),
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),
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);
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return transaction;
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}
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@override
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// TODO: implement currentReceivingAddress
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Future<String> get currentReceivingAddress => throw UnimplementedError();
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Future<String> get currentReceivingAddress async {
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final _currentReceivingAddress = _credentials.address;
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return _currentReceivingAddress.toString();
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}
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@override
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Future<int> estimateFeeFor(int satoshiAmount, int feeRate) {
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@ -115,8 +141,19 @@ class EthereumWallet extends CoinServiceAPI {
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}
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@override
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// TODO: implement fees
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Future<FeeObject> get fees => throw UnimplementedError();
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Future<FeeObject> get fees => _feeObject ??= _getFees();
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Future<FeeObject>? _feeObject;
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Future<FeeObject> _getFees() async {
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// TODO: implement _getFees
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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: 1,
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medium: 1,
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slow: 1);
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}
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@override
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Future<void> fullRescan(
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@ -157,12 +194,12 @@ class EthereumWallet extends CoinServiceAPI {
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Future<void> initializeNew() async {
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await _prefs.init();
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final String mnemonic = bip39.generateMnemonic(strength: 256);
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final credentials =
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EthPrivateKey.fromHex(StringToHex.toHexString(mnemonic));
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print("Mnemonic is $mnemonic");
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_credentials = EthPrivateKey.fromHex(StringToHex.toHexString(mnemonic));
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final String password = generatePassword();
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var rng = Random.secure();
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Wallet wallet = Wallet.createNew(credentials, password, rng);
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Wallet wallet = Wallet.createNew(_credentials, password, rng);
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await _secureStore.write(key: '${_walletId}_mnemonic', value: mnemonic);
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@ -188,13 +225,14 @@ class EthereumWallet extends CoinServiceAPI {
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.put<dynamic>(boxName: walletId, key: "isFavorite", value: false);
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}
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@override
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// TODO: implement isConnected
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bool get isConnected => throw UnimplementedError();
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bool _isConnected = false;
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@override
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// TODO: implement isRefreshing
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bool get isRefreshing => throw UnimplementedError();
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bool get isConnected => _isConnected;
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bool refreshMutex = false;
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@override
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bool get isRefreshing => refreshMutex;
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@override
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// TODO: implement maxFee
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@ -231,9 +269,37 @@ class EthereumWallet extends CoinServiceAPI {
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{required String mnemonic,
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required int maxUnusedAddressGap,
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required int maxNumberOfIndexesToCheck,
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required int height}) {
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// TODO: implement recoverFromMnemonic
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throw UnimplementedError();
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required int height}) async {
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await _prefs.init();
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print("Mnemonic is $mnemonic");
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_credentials = EthPrivateKey.fromHex(StringToHex.toHexString(mnemonic));
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final String password = generatePassword();
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var rng = Random.secure();
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Wallet wallet = Wallet.createNew(_credentials, password, rng);
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await _secureStore.write(key: '${_walletId}_mnemonic', value: mnemonic);
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await DB.instance
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.put<dynamic>(boxName: walletId, key: "id", value: _walletId);
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await DB.instance.put<dynamic>(
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boxName: walletId, key: 'receivingAddresses', value: ["0"]);
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await DB.instance
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.put<dynamic>(boxName: walletId, key: "receivingIndex", value: 0);
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await DB.instance
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.put<dynamic>(boxName: walletId, key: "changeIndex", value: 0);
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await DB.instance.put<dynamic>(
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boxName: walletId,
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key: 'blocked_tx_hashes',
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value: ["0xdefault"],
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); // A list of transaction hashes to represent frozen utxos in wallet
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// initialize address book entries
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await DB.instance.put<dynamic>(
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boxName: walletId,
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key: 'addressBookEntries',
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value: <String, String>{});
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await DB.instance
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.put<dynamic>(boxName: walletId, key: "isFavorite", value: false);
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}
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@override
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@ -258,8 +324,11 @@ class EthereumWallet extends CoinServiceAPI {
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}
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@override
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// TODO: implement totalBalance
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Future<Decimal> get totalBalance => throw UnimplementedError();
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// TODO: Check difference between total and available balance for eth
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Future<Decimal> get totalBalance async {
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EtherAmount ethBalance = await _client.getBalance(_credentials.address);
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return Decimal.parse(ethBalance.getValueInUnit(EtherUnit.ether).toString());
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}
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@override
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Future<TransactionData> get transactionData =>
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@ -287,7 +356,7 @@ class EthereumWallet extends CoinServiceAPI {
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@override
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bool validateAddress(String address) {
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// TODO: implement validateAddress
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throw UnimplementedError();
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return true;
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}
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Future<TransactionData> _fetchTransactionData() async {
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