362 lines
10 KiB
Dart
362 lines
10 KiB
Dart
// ignore_for_file: avoid_print
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import 'package:crypto/crypto.dart';
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import 'package:fast_base58/fast_base58.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:gecko/globals.dart';
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import 'package:polkawallet_sdk/api/apiKeyring.dart';
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import 'package:polkawallet_sdk/api/types/networkParams.dart';
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import 'package:polkawallet_sdk/api/types/txInfoData.dart';
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import 'package:polkawallet_sdk/polkawallet_sdk.dart';
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import 'package:polkawallet_sdk/storage/keyring.dart';
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import 'package:polkawallet_sdk/storage/types/keyPairData.dart';
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import 'package:truncate/truncate.dart';
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class SubstrateSdk with ChangeNotifier {
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final int ss58 = 42;
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final WalletSDK sdk = WalletSDK();
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final Keyring keyring = Keyring();
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String generatedMnemonic = '';
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bool sdkReady = false;
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bool sdkLoading = false;
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bool nodeConnected = false;
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bool importIsLoading = false;
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int blocNumber = 0;
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bool isLoadingEndpoint = false;
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TextEditingController jsonKeystore = TextEditingController();
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TextEditingController keystorePassword = TextEditingController();
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Future<void> initApi() async {
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sdkLoading = true;
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await keyring.init([ss58]);
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keyring.setSS58(ss58);
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await sdk.init(keyring);
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sdkReady = true;
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sdkLoading = false;
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notifyListeners();
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}
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Future<void> connectNode(BuildContext ctx) async {
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List<NetworkParams> node = [];
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final n = NetworkParams();
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n.name = currencyName;
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n.endpoint = configBox.get('endpoint');
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n.ss58 = ss58;
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node.add(n);
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if (sdk.api.connectedNode?.endpoint != null) {
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await sdk.api.setting.unsubscribeBestNumber();
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}
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isLoadingEndpoint = true;
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notifyListeners();
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final res = await sdk.api.connectNode(keyring, node).timeout(
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const Duration(seconds: 7),
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onTimeout: () => null,
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);
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isLoadingEndpoint = false;
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notifyListeners();
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if (res != null) {
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nodeConnected = true;
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notifyListeners();
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snackNode(ctx, true);
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} else {
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nodeConnected = false;
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notifyListeners();
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snackNode(ctx, false);
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}
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// Subscribe bloc number
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if (nodeConnected) {
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sdk.api.setting.subscribeBestNumber((res) {
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blocNumber = int.parse(res.toString());
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notifyListeners();
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});
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}
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log.d(sdk.api.connectedNode?.endpoint);
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}
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Future<String> importAccount(
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{String mnemonic = '',
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bool fromMnemonic = false,
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String derivePath = '',
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String password = ''}) async {
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// toy exercise immense month enter answer table prefer speed cycle gold phone
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final clipboardData = await Clipboard.getData(Clipboard.kTextPlain);
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if (mnemonic != '') {
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fromMnemonic = true;
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generatedMnemonic = mnemonic;
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} else if (clipboardData!.text!.split(' ').length == 12) {
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fromMnemonic = true;
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generatedMnemonic = clipboardData.text!;
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}
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if (password == '') {
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password = keystorePassword.text;
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}
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final KeyType keytype;
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final String keyToImport;
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if (fromMnemonic) {
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keytype = KeyType.mnemonic;
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keyToImport = generatedMnemonic;
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} else {
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keytype = KeyType.keystore;
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keyToImport = jsonKeystore.text.replaceAll("'", "\\'");
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}
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importIsLoading = true;
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notifyListeners();
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if (clipboardData?.text != null) jsonKeystore.text = clipboardData!.text!;
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var json = await sdk.api.keyring
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.importAccount(keyring,
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keyType: keytype,
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key: keyToImport,
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name: derivePath,
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password: password,
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derivePath: derivePath,
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cryptoType: CryptoType.sr25519)
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.catchError((e) {
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importIsLoading = false;
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notifyListeners();
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});
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if (json == null) return '';
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print(json);
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try {
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await sdk.api.keyring.addAccount(
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keyring,
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keyType: keytype,
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acc: json,
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password: password,
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);
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// Clipboard.setData(ClipboardData(text: jsonEncode(acc.toJson())));
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} catch (e) {
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print(e);
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importIsLoading = false;
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notifyListeners();
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}
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importIsLoading = false;
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await Future.delayed(const Duration(milliseconds: 20));
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notifyListeners();
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final bakedAddress = keyring.allAccounts.last.address;
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return bakedAddress!;
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}
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void reload() {
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notifyListeners();
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}
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Future<List<AddressInfo>> getKeyStoreAddress() async {
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List<AddressInfo> result = [];
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// sdk.api.account.unsubscribeBalance();
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for (var element in keyring.allAccounts) {
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// Clipboard.setData(ClipboardData(text: jsonEncode(element)));
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final account = AddressInfo(address: element.address);
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// await sdk.api.account.subscribeBalance(element.address, (p0) {
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// account.balance = int.parse(p0.freeBalance) / 100;
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// });
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// sdk.api.setting.unsubscribeBestNumber();
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account.balance = await getBalance(element.address!);
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result.add(account);
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}
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return result;
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}
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Future<double> getBalance(String address, {bool isUd = false}) async {
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double balance = 0.0;
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if (nodeConnected) {
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final brutBalance = await sdk.api.account.queryBalance(address);
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balance = int.parse(brutBalance!.freeBalance) / 100;
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}
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return balance;
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}
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KeyPairData getKeypair(String address) {
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return keyring.keyPairs.firstWhere((kp) => kp.address == address,
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orElse: (() => KeyPairData()));
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}
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Future<bool> checkPassword(String address, String pass) async {
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final account = getKeypair(address);
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return await sdk.api.keyring.checkPassword(account, pass);
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}
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int getDerivationNumber(String address) {
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final account = getKeypair(address);
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final deriveNbr = account.name!.split('//')[1];
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return int.parse(deriveNbr);
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}
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Future<KeyPairData?> changePassword(
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String address, String passOld, String? passNew) async {
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final account = getKeypair(address);
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keyring.setCurrent(account);
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return await sdk.api.keyring.changePassword(keyring, passOld, passNew);
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}
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Future<void> deleteAllAccounts() async {
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for (var account in keyring.allAccounts) {
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await sdk.api.keyring.deleteAccount(keyring, account);
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}
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}
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Future<String> generateMnemonic({String lang = appLang}) async {
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final gen = await sdk.api.keyring.generateMnemonic(ss58);
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generatedMnemonic = gen.mnemonic!;
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// final res = await importAccount(fromMnemonic: true);
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await Clipboard.setData(ClipboardData(text: generatedMnemonic));
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return gen.mnemonic!;
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}
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// Future<bool> pay(BuildContext context, String address, double amount,
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// String password) async {
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// final sender = TxSenderData(
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// keyring.current.address,
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// keyring.current.pubKey,
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// );
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// final txInfo = TxInfoData('balances', 'transfer', sender);
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// try {
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// final hash = await sdk.api.tx.signAndSend(
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// txInfo,
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// [address, amount * 100],
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// password,
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// onStatusChange: (status) {
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// print('status: ' + status);
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// if (status == 'Ready') {
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// snack(context, 'Transaction terminé');
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// }
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// },
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// );
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// print(hash.toString());
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// return true;
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// } catch (err) {
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// print(err.toString());
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// return false;
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// }
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// }
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String setCurrentWallet(String address) {
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try {
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final acc = getKeypair(address);
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keyring.setCurrent(acc);
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return acc.address!;
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} catch (e) {
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return (e.toString());
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}
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}
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KeyPairData getCurrentWallet() {
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try {
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final acc = keyring.current;
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return acc;
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} catch (e) {
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return KeyPairData();
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}
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}
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Future<String> pay(BuildContext context,
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{required String fromAddress,
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required String destAddress,
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required double amount,
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required String password}) async {
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setCurrentWallet(fromAddress);
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final sender = TxSenderData(
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keyring.current.address,
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keyring.current.pubKey,
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);
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final txInfo = TxInfoData('balances', 'transfer', sender);
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try {
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final hash = await sdk.api.tx.signAndSend(
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txInfo,
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[destAddress, amount * 100],
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password,
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onStatusChange: (status) {
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print('status: ' + status);
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if (status == 'Ready') {
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snack(context, 'Transaction terminé');
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}
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},
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);
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print(hash.toString());
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return 'confirmed';
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} catch (e) {
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return e.toString();
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}
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}
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Future<String> derive(
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BuildContext context, String address, int number, String password) async {
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final keypair = getKeypair(address);
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final seedMap =
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await keyring.store.getDecryptedSeed(keypair.pubKey, password);
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print(seedMap);
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if (seedMap?['type'] != 'mnemonic') return '';
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final List seedList = seedMap!['seed'].split('//');
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generatedMnemonic = seedList[0];
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int sourceDerivation = -1; // To get derivation number of this account
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if (seedList.length > 1) {
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sourceDerivation = int.parse(seedList[1]);
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}
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print(generatedMnemonic);
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print(sourceDerivation);
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return await importAccount(fromMnemonic: true, derivePath: '//$number');
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}
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}
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void snack(BuildContext context, String message, {int duration = 2}) {
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final snackBar =
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SnackBar(content: Text(message), duration: Duration(seconds: duration));
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ScaffoldMessenger.of(context).showSnackBar(snackBar);
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}
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class AddressInfo {
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final String? address;
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double balance;
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AddressInfo({@required this.address, this.balance = 0});
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}
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void snackNode(BuildContext context, bool isConnected) {
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String _message;
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if (!isConnected) {
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_message =
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"Aucun noeud Duniter disponible, veuillez réessayer ultérieurement";
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} else {
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_message =
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"Vous êtes connecté au noeud\n${configBox.get('endpoint').split('//')[1]}";
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}
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final snackBar =
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SnackBar(content: Text(_message), duration: const Duration(seconds: 2));
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ScaffoldMessenger.of(context).showSnackBar(snackBar);
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}
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String getShortPubkey(String pubkey) {
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List<int> pubkeyByte = Base58Decode(pubkey);
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Digest pubkeyS256 = sha256.convert(sha256.convert(pubkeyByte).bytes);
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String pubkeyCheksum = Base58Encode(pubkeyS256.bytes);
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String pubkeyChecksumShort =
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truncate(pubkeyCheksum, 3, omission: "", position: TruncatePosition.end);
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String pubkeyShort = truncate(pubkey, 5,
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omission: String.fromCharCode(0x2026),
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position: TruncatePosition.end) +
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truncate(pubkey, 4, omission: "", position: TruncatePosition.start) +
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':$pubkeyChecksumShort';
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return pubkeyShort;
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}
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