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505 changed files with 6657 additions and 5875 deletions
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@ -34,6 +34,7 @@ import 'package:cw_core/wallet_info.dart';
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import 'package:cw_bitcoin/electrum.dart';
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import 'package:hex/hex.dart';
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import 'package:cw_core/crypto_currency.dart';
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import 'package:collection/collection.dart';
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part 'electrum_wallet.g.dart';
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@ -42,31 +43,34 @@ class ElectrumWallet = ElectrumWalletBase with _$ElectrumWallet;
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abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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ElectrumTransactionHistory, ElectrumTransactionInfo> with Store {
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ElectrumWalletBase(
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{@required String password,
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@required WalletInfo walletInfo,
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@required Box<UnspentCoinsInfo> unspentCoinsInfo,
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@required List<BitcoinAddressRecord> initialAddresses,
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@required this.networkType,
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@required this.mnemonic,
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ElectrumClient electrumClient,
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ElectrumBalance initialBalance})
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: hd = bitcoin.HDWallet.fromSeed(mnemonicToSeedBytes(mnemonic),
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network: networkType)
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{required String password,
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required WalletInfo walletInfo,
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required Box<UnspentCoinsInfo> unspentCoinsInfo,
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required this.networkType,
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required this.mnemonic,
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required Uint8List seedBytes,
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List<BitcoinAddressRecord>? initialAddresses,
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ElectrumClient? electrumClient,
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ElectrumBalance? initialBalance,
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CryptoCurrency? currency})
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: hd = bitcoin.HDWallet.fromSeed(seedBytes, network: networkType)
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.derivePath("m/0'/0"),
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syncStatus = NotConnectedSyncStatus(),
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_password = password,
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_feeRates = <int>[],
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_isTransactionUpdating = false,
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unspentCoins = [],
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_scripthashesUpdateSubject = {},
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balance = ObservableMap<CryptoCurrency, ElectrumBalance>.of(
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currency != null
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? {currency: initialBalance ?? const ElectrumBalance(confirmed: 0, unconfirmed: 0)}
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: {}),
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this.unspentCoinsInfo = unspentCoinsInfo,
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super(walletInfo) {
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balance = ObservableMap<CryptoCurrency, ElectrumBalance>.of({
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currency: initialBalance ?? const ElectrumBalance(confirmed: 0, unconfirmed: 0)});
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this.electrumClient = electrumClient ?? ElectrumClient();
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this.walletInfo = walletInfo;
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this.unspentCoinsInfo = unspentCoinsInfo;
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transactionHistory =
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ElectrumTransactionHistory(walletInfo: walletInfo, password: password);
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unspentCoins = [];
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_scripthashesUpdateSubject = {};
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}
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static int estimatedTransactionSize(int inputsCount, int outputsCounts) =>
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@ -75,15 +79,15 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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final bitcoin.HDWallet hd;
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final String mnemonic;
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ElectrumClient electrumClient;
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late ElectrumClient electrumClient;
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Box<UnspentCoinsInfo> unspentCoinsInfo;
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@override
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ElectrumWalletAddresses walletAddresses;
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late ElectrumWalletAddresses walletAddresses;
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@override
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@observable
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ObservableMap<CryptoCurrency, ElectrumBalance> balance;
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late ObservableMap<CryptoCurrency, ElectrumBalance> balance;
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@override
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@observable
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@ -98,7 +102,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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.map((addr) => scriptHash(addr.address, networkType: networkType))
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.toList();
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String get xpub => hd.base58;
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String get xpub => hd.base58!;
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@override
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String get seed => mnemonic;
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@ -107,12 +111,12 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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@override
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BitcoinWalletKeys get keys => BitcoinWalletKeys(
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wif: hd.wif, privateKey: hd.privKey, publicKey: hd.pubKey);
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wif: hd.wif!, privateKey: hd.privKey!, publicKey: hd.pubKey!);
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String _password;
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List<BitcoinUnspent> unspentCoins;
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List<int> _feeRates;
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Map<String, BehaviorSubject<Object>> _scripthashesUpdateSubject;
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Map<String, BehaviorSubject<Object>?> _scripthashesUpdateSubject;
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bool _isTransactionUpdating;
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Future<void> init() async {
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@ -137,7 +141,8 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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(timer) async => _feeRates = await electrumClient.feeRates());
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syncStatus = SyncedSyncStatus();
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} catch (e) {
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} catch (e, stacktrace) {
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print(stacktrace);
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print(e.toString());
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syncStatus = FailedSyncStatus();
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}
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@ -145,7 +150,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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@action
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@override
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Future<void> connectToNode({@required Node node}) async {
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Future<void> connectToNode({required Node node}) async {
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try {
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syncStatus = ConnectingSyncStatus();
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await electrumClient.connectToUri(node.uri);
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@ -187,7 +192,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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}
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final allAmountFee = feeAmountForPriority(
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transactionCredentials.priority, inputs.length, outputs.length);
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transactionCredentials.priority!, inputs.length, outputs.length);
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final allAmount = allInputsAmount - allAmountFee;
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var credentialsAmount = 0;
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@ -196,12 +201,12 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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if (hasMultiDestination) {
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if (outputs.any((item) => item.sendAll
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|| item.formattedCryptoAmount <= 0)) {
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|| item.formattedCryptoAmount! <= 0)) {
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throw BitcoinTransactionWrongBalanceException(currency);
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}
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credentialsAmount = outputs.fold(0, (acc, value) =>
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acc + value.formattedCryptoAmount);
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acc + value.formattedCryptoAmount!);
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if (allAmount - credentialsAmount < minAmount) {
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throw BitcoinTransactionWrongBalanceException(currency);
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@ -210,7 +215,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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amount = credentialsAmount;
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if (transactionCredentials.feeRate != null) {
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fee = calculateEstimatedFeeWithFeeRate(transactionCredentials.feeRate, amount,
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fee = calculateEstimatedFeeWithFeeRate(transactionCredentials.feeRate!, amount,
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outputsCount: outputs.length + 1);
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} else {
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fee = calculateEstimatedFee(transactionCredentials.priority, amount,
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@ -219,7 +224,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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} else {
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final output = outputs.first;
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credentialsAmount = !output.sendAll
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? output.formattedCryptoAmount
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? output.formattedCryptoAmount!
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: 0;
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if (credentialsAmount > allAmount) {
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@ -233,7 +238,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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if (output.sendAll || amount == allAmount) {
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fee = allAmountFee;
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} else if (transactionCredentials.feeRate != null) {
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fee = calculateEstimatedFeeWithFeeRate(transactionCredentials.feeRate, amount);
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fee = calculateEstimatedFeeWithFeeRate(transactionCredentials.feeRate!, amount);
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} else {
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fee = calculateEstimatedFee(transactionCredentials.priority, amount);
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}
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@ -245,7 +250,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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final totalAmount = amount + fee;
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if (totalAmount > balance[currency].confirmed || totalAmount > allInputsAmount) {
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if (totalAmount > balance[currency]!.confirmed || totalAmount > allInputsAmount) {
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throw BitcoinTransactionWrongBalanceException(currency);
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}
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@ -298,11 +303,11 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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? item.formattedCryptoAmount
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: amount;
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final outputAddress = item.isParsedAddress
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? item.extractedAddress
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? item.extractedAddress!
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: item.address;
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txb.addOutput(
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addressToOutputScript(outputAddress, networkType),
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outputAmount);
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outputAmount!);
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});
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final estimatedSize =
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@ -310,9 +315,9 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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var feeAmount = 0;
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if (transactionCredentials.feeRate != null) {
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feeAmount = transactionCredentials.feeRate * estimatedSize;
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feeAmount = transactionCredentials.feeRate! * estimatedSize;
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} else {
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feeAmount = feeRate(transactionCredentials.priority) * estimatedSize;
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feeAmount = feeRate(transactionCredentials.priority!) * estimatedSize;
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}
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final changeValue = totalInputAmount - amount - feeAmount;
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@ -369,8 +374,8 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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feeRate * estimatedTransactionSize(inputsCount, outputsCount);
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@override
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int calculateEstimatedFee(TransactionPriority priority, int amount,
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{int outputsCount}) {
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int calculateEstimatedFee(TransactionPriority? priority, int? amount,
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{int? outputsCount}) {
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if (priority is BitcoinTransactionPriority) {
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return calculateEstimatedFeeWithFeeRate(
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feeRate(priority),
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@ -381,8 +386,8 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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return 0;
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}
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int calculateEstimatedFeeWithFeeRate(int feeRate, int amount,
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{int outputsCount}) {
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int calculateEstimatedFeeWithFeeRate(int feeRate, int? amount,
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{int? outputsCount}) {
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int inputsCount = 0;
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if (amount != null) {
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@ -429,16 +434,16 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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await transactionHistory.changePassword(password);
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}
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bitcoin.ECPair keyPairFor({@required int index}) =>
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bitcoin.ECPair keyPairFor({required int index}) =>
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generateKeyPair(hd: hd, index: index, network: networkType);
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@override
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Future<void> rescan({int height}) async => throw UnimplementedError();
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Future<void> rescan({required int height}) async => throw UnimplementedError();
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@override
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Future<void> close() async {
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try {
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await electrumClient?.close();
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await electrumClient.close();
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} catch (_) {}
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}
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@ -498,10 +503,9 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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if (currentWalletUnspentCoins.isNotEmpty) {
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currentWalletUnspentCoins.forEach((element) {
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final existUnspentCoins = unspentCoins
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?.where((coin) => element.hash.contains(coin?.hash));
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final existUnspentCoins = unspentCoins.where((coin) => element.hash.contains(coin.hash));
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if (existUnspentCoins?.isEmpty ?? true) {
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if (existUnspentCoins.isEmpty) {
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keys.add(element.key);
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}
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});
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@ -516,7 +520,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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}
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Future<ElectrumTransactionBundle> getTransactionExpanded(
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{@required String hash, @required int height}) async {
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{required String hash, required int height}) async {
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final verboseTransaction = await electrumClient.getTransactionRaw(hash: hash);
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final transactionHex = verboseTransaction['hex'] as String;
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final original = bitcoin.Transaction.fromHex(transactionHex);
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@ -525,7 +529,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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final confirmations = verboseTransaction['confirmations'] as int ?? 0;
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for (final vin in original.ins) {
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final id = HEX.encode(vin.hash.reversed.toList());
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final id = HEX.encode(vin.hash!.reversed.toList());
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final txHex = await electrumClient.getTransactionHex(hash: id);
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final tx = bitcoin.Transaction.fromHex(txHex);
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ins.add(tx);
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@ -539,7 +543,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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}
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Future<ElectrumTransactionInfo> fetchTransactionInfo(
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{@required String hash, @required int height}) async {
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{required String hash, required int height}) async {
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final tx = await getTransactionExpanded(hash: hash, height: height);
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final addresses = walletAddresses.addresses.map((addr) => addr.address).toSet();
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return ElectrumTransactionInfo.fromElectrumBundle(
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@ -567,7 +571,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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history.entries.forEach((historyItem) {
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if (historyItem.value.isNotEmpty) {
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final address = addressHashes[historyItem.key];
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address.setAsUsed();
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address?.setAsUsed();
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normalizedHistories.addAll(historyItem.value);
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}
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});
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@ -637,8 +641,8 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
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for (var i = 0; i < balances.length; i++) {
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final addressRecord = addresses[i];
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final balance = balances[i];
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final confirmed = balance['confirmed'] as int ?? 0;
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final unconfirmed = balance['unconfirmed'] as int ?? 0;
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final confirmed = balance['confirmed'] as int? ?? 0;
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final unconfirmed = balance['unconfirmed'] as int? ?? 0;
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totalConfirmed += confirmed;
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totalUnconfirmed += unconfirmed;
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