cake_wallet/cw_evm/lib/evm_chain_wallet.dart
cyan 1ce60d62b3
CW-676 Add Linux scripts to build monero_c for linux platform (#1527)
* Revert "Revert btc address types"

This reverts commit a49e57e3

* Re-add Bitcoin Address types
Fix conflicts with main

* fix: label issues, clear spent utxo

* chore: deps

* fix: build

* fix: missing types

* feat: new electrs API & changes, fixes for last block scanning

* Update Monero

* not sure why it's failing

* Enable Exolix
Improve service updates indicator
New versions

* Add exolix Api token to limits api

* Ignore reporting network issues

* Change default bitcoin node

* Merge main and update linux version

* Update app version [skip ci]

* New versions

* Fix conflicts and update linux version

* minor fix

* feat: Scan Silent Payments homepage toggle

* chore: build configure

* feat: generic fixes, testnet UI improvements, useSSL on bitcoin nodes

* fix: invalid Object in sendData

* feat: improve addresses page & address book displays

* feat: silent payments labeled addresses disclaimer

* fix: missing i18n

* chore: print

* feat: single block scan, rescan by date working for btc mainnet

* feat: new cake features page replace market page, move sp scan toggle, auto switch node pop up alert

* feat: delete silent addresses

* fix: red dot in non ssl nodes

* fix: inconsistent connection states, fix tx history

* fix: tx & balance displays, cpfp sending

* feat: new rust lib

* chore: node path

* fix: check node based on network

* fix: missing txcount from addresses

* style: padding in feature page cards

* fix: restore not getting all wallet addresses by type

* fix: auto switch node broken

* fix: silent payment txs not being restored

* update linux version

* feat: change scanning to subscription model, sync improvements

* fix: scan re-subscription

* fix: default nodes

* fix: improve scanning by date, fix single block scan

* refactor: common function for input tx selection

* various fixes for build issues

* initial monero.dart implementation

* ...

* multiple wallets
new lib
minor fixes

* other fixes from monero.dart and monero_c

* fix: nodes & build

* update build scripts
fix polyseed

* remove unnecessary code

* Add windows app, build scripts and build guide for it.

* Minor fix in generated monero configs

* Merge and fix main

* fix: send all with multiple outs

* add missing monero_c command

* add android build script

* update version

* Merge and fix main

* undo android ndk removal

* Fix modified exception_handler.dart

* Temporarily remove haven

* fix build issues

* fix pr script

* Fixes for build monero.dart (monero_c) for windows.

* monero build script

* wip: ios build script

* refactor: unchanged file

* Added build guides for iOS and macOS. Replaced nproc call on macOS. Added macOS configuration for configure_cake_wallet.sh script.

* Update monero.dart and monero_c versions.

* Add missed windows build scripts

* Update the application configuration for windows build script.

* Update cw_monero pubspec lock file for monero.dart

* Update pr_test_build.yml

* chore: upgrade

* chore: merge changes

* refactor: unchanged files [skip ci]

* Fix conflicts with main

* fix for multiple wallets

* update app version [skip ci]

* Add tron to windows application configuration.

* Add macOS option for description message in configure_cake_wallet.sh

* fix missing encryption utils in hardware wallet functions [skip ci]

* fix conflicts

* Include missed monero dll for windows.

* reformatting [skip ci]

* fix conflicts with main

* Disable haven configuration for iOS as default. Add ability to configure cakewallet for iOS with  for configuration script. Remove cw_shared configuration for cw_monero.

* fix: scan fixes, add date, allow sending while scanning

* add missing nano secrets file [skip ci]

* ios library

* don't pull prebuilds android

* Add auto generation of manifest file for android project even for iOS, macOS, Windows.

* remove tron

* feat: sync fixes, sp settings

* feat: fix resyncing

* store crash fix

* make init async so it won't lag
disable print starts

* fix monero_c build issues

* libstdc++

* merge main and update version

* Fix MacOS saving wallet file issue
Fix Secure Storage issue (somehow)

* update pubspec.lock

* fix build script

* Use dylib as iOS framework. Use custom path for loading of iOS framework for monero.dart. Add script for generate iOS framework for monero wallet.

* fix: date from height logic, status disconnected & chain tip get

* fix: params

* feat: electrum migration if using cake electrum

* fix nodes
update versions

* re-enable tron

* update sp_scanner to work on iOS [skip ci]

* bump monero_c hash

* bump monero_c commit

* bump moneroc version

* bump monero_c commit

* Add ability to build monero wallet lib as universal lib. Update macOS build guide. Change default arch for macOS project to .

* fix: wrong socket for old electrum nodes

* update version

* Fix unchecked wallet type call

* get App Dir correctly in default_settings_migration.dart

* handle previous issue with fetching linux documents directory [skip ci]

* backup fix

* fix NTFS issues

* Add Tron
Update Linux version

* Close the wallet when the wallet gets changed

* fix: double balance

* feat: node domain

* fix: menu name

* bump monero_c commit

* fix: update tip on set scanning

* fix: connection switching back and forth

* feat: check if node is electrs, and supports sp

* chore: fix build

* minor enhancements

* fixes and enhancements

* solve conflicts with main

* Only stop wallet on rename and delete

* fix: status toggle

* minor enhancement

* Monero.com fixes

* bump monero_c commit

* update sp_scanner to include windows and linux

* merge main

* Update macOS build guide. Change brew dependencies for build unbound locally.

* fix: Tron file write, build scripts

* - merge linux with Monero Dart
- Temporarily disable Monero

* fix other issues with linux

* linux ci
fix build script

* Update pr_test_build_linux.yml

install required packages

* add linux desktop dependencies

* don't use apk in linux build releases

* don't copy the file to test-apk

* fix linux runtime issues

* remove libc++_shared.so

* fix issues with linux

* prepare both android and linux (because otherwise it will fail)

* ci script updates

* run apt update

* bump image to ubuntu 22.04
note: remember to put it down later

* bump python version

* remove some dependencies

* remove unused import

* add missing dependencies

* fix dependencies

* some fixes

* remove print [skip ci]

* Add back RunnerBase.entitlements
minor fixes [skip ci]

* fix memory leak / infinite recurrsion when opening xmr wallet

* url_launcher_linux: 3.1.1 # https://github.com/flutter/flutter/issues/153083

* fix conflicts with main

* handle walletKeysFile with encryptionUtils

* update app version [skip ci]

* add wownero [skip ci]

---------

Co-authored-by: OmarHatem <omarh.ismail1@gmail.com>
Co-authored-by: Rafael Saes <git@rafael.saes.dev>
Co-authored-by: M <m@cakewallet.com>
Co-authored-by: Konstantin Ullrich <konstantinullrich12@gmail.com>
2024-08-13 01:18:14 +03:00

702 lines
22 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'dart:math';
import 'package:bip32/bip32.dart' as bip32;
import 'package:bip39/bip39.dart' as bip39;
import 'package:cw_core/cake_hive.dart';
import 'package:cw_core/crypto_currency.dart';
import 'package:cw_core/encryption_file_utils.dart';
import 'package:cw_core/erc20_token.dart';
import 'package:cw_core/node.dart';
import 'package:cw_core/pathForWallet.dart';
import 'package:cw_core/pending_transaction.dart';
import 'package:cw_core/sync_status.dart';
import 'package:cw_core/transaction_priority.dart';
import 'package:cw_core/wallet_addresses.dart';
import 'package:cw_core/wallet_base.dart';
import 'package:cw_core/wallet_info.dart';
import 'package:cw_core/wallet_keys_file.dart';
import 'package:cw_core/wallet_type.dart';
import 'package:cw_evm/evm_chain_client.dart';
import 'package:cw_evm/evm_chain_exceptions.dart';
import 'package:cw_evm/evm_chain_formatter.dart';
import 'package:cw_evm/evm_chain_transaction_credentials.dart';
import 'package:cw_evm/evm_chain_transaction_history.dart';
import 'package:cw_evm/evm_chain_transaction_model.dart';
import 'package:cw_evm/evm_chain_transaction_priority.dart';
import 'package:cw_evm/evm_chain_wallet_addresses.dart';
import 'package:cw_evm/evm_ledger_credentials.dart';
import 'package:flutter/foundation.dart';
import 'package:hex/hex.dart';
import 'package:hive/hive.dart';
import 'package:mobx/mobx.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:web3dart/crypto.dart';
import 'package:web3dart/web3dart.dart';
import 'evm_chain_transaction_info.dart';
import 'evm_erc20_balance.dart';
part 'evm_chain_wallet.g.dart';
const Map<String, String> methodSignatureToType = {
'0x095ea7b3': 'approval',
'0xa9059cbb': 'transfer',
'0x23b872dd': 'transferFrom',
'0x574da717': 'transferOut',
'0x2e1a7d4d': 'withdraw',
'0x7ff36ab5': 'swapExactETHForTokens',
'0x40c10f19': 'mint',
'0x44bc937b': 'depositWithExpiry',
'0xd0e30db0': 'deposit',
'0xe8e33700': 'addLiquidity',
'0xd505accf': 'permit',
};
abstract class EVMChainWallet = EVMChainWalletBase with _$EVMChainWallet;
abstract class EVMChainWalletBase
extends WalletBase<EVMChainERC20Balance, EVMChainTransactionHistory, EVMChainTransactionInfo>
with Store, WalletKeysFile {
EVMChainWalletBase({
required WalletInfo walletInfo,
required EVMChainClient client,
required CryptoCurrency nativeCurrency,
String? mnemonic,
String? privateKey,
required String password,
EVMChainERC20Balance? initialBalance,
required this.encryptionFileUtils,
}) : syncStatus = const NotConnectedSyncStatus(),
_password = password,
_mnemonic = mnemonic,
_hexPrivateKey = privateKey,
_isTransactionUpdating = false,
_client = client,
walletAddresses = EVMChainWalletAddresses(walletInfo),
balance = ObservableMap<CryptoCurrency, EVMChainERC20Balance>.of(
{
// Not sure of this yet, will it work? will it not?
nativeCurrency: initialBalance ?? EVMChainERC20Balance(BigInt.zero),
},
),
super(walletInfo) {
this.walletInfo = walletInfo;
transactionHistory = setUpTransactionHistory(walletInfo, password, encryptionFileUtils);
if (!CakeHive.isAdapterRegistered(Erc20Token.typeId)) {
CakeHive.registerAdapter(Erc20TokenAdapter());
}
sharedPrefs.complete(SharedPreferences.getInstance());
}
final String? _mnemonic;
final String? _hexPrivateKey;
final String _password;
final EncryptionFileUtils encryptionFileUtils;
late final Box<Erc20Token> erc20TokensBox;
late final Box<Erc20Token> evmChainErc20TokensBox;
late final Credentials _evmChainPrivateKey;
Credentials get evmChainPrivateKey => _evmChainPrivateKey;
late final EVMChainClient _client;
int gasPrice = 0;
int? gasBaseFee = 0;
int estimatedGasUnits = 0;
bool _isTransactionUpdating;
// TODO: remove after integrating our own node and having eth_newPendingTransactionFilter
Timer? _transactionsUpdateTimer;
@override
WalletAddresses walletAddresses;
@override
@observable
SyncStatus syncStatus;
@override
@observable
late ObservableMap<CryptoCurrency, EVMChainERC20Balance> balance;
Completer<SharedPreferences> sharedPrefs = Completer();
//! Methods to be overridden by every child
void addInitialTokens();
// Future<EVMChainWallet> open({
// required String name,
// required String password,
// required WalletInfo walletInfo,
// });
Future<void> initErc20TokensBox();
String getTransactionHistoryFileName();
Future<bool> checkIfScanProviderIsEnabled();
EVMChainTransactionInfo getTransactionInfo(
EVMChainTransactionModel transactionModel, String address);
Erc20Token createNewErc20TokenObject(Erc20Token token, String? iconPath);
EVMChainTransactionHistory setUpTransactionHistory(
WalletInfo walletInfo,
String password,
EncryptionFileUtils encryptionFileUtils,
);
//! Common Methods across child classes
String idFor(String name, WalletType type) => '${walletTypeToString(type).toLowerCase()}_$name';
Future<void> init() async {
await initErc20TokensBox();
await walletAddresses.init();
await transactionHistory.init();
if (walletInfo.isHardwareWallet) {
_evmChainPrivateKey = EvmLedgerCredentials(walletInfo.address);
walletAddresses.address = walletInfo.address;
} else {
_evmChainPrivateKey = await getPrivateKey(
mnemonic: _mnemonic,
privateKey: _hexPrivateKey,
password: _password,
);
walletAddresses.address = _evmChainPrivateKey.address.hexEip55;
}
await save();
}
@override
int calculateEstimatedFee(TransactionPriority priority, int? amount) {
{
try {
if (priority is EVMChainTransactionPriority) {
final priorityFee = EtherAmount.fromInt(EtherUnit.gwei, priority.tip).getInWei.toInt();
int maxFeePerGas;
if (gasBaseFee != null) {
// MaxFeePerGas with EIP1559;
maxFeePerGas = gasBaseFee! + priorityFee;
} else {
// MaxFeePerGas with gasPrice;
maxFeePerGas = gasPrice;
debugPrint('MaxFeePerGas with gasPrice: $maxFeePerGas');
}
final totalGasFee = estimatedGasUnits * maxFeePerGas;
return totalGasFee;
}
return 0;
} catch (e) {
return 0;
}
}
}
/// Allows more customization to the fetch estimatedFees flow.
///
/// We are able to pass in:
/// - The exact amount the user wants to send,
/// - The addressHex for the receiving wallet,
/// - A contract address which would be essential in determining if to calcualate the estimate for ERC20 or native ETH
Future<int> calculateActualEstimatedFeeForCreateTransaction({
required amount,
required String? contractAddress,
required String receivingAddressHex,
required TransactionPriority priority,
}) async {
try {
if (priority is EVMChainTransactionPriority) {
final priorityFee = EtherAmount.fromInt(EtherUnit.gwei, priority.tip).getInWei.toInt();
int maxFeePerGas;
if (gasBaseFee != null) {
// MaxFeePerGas with EIP1559;
maxFeePerGas = gasBaseFee! + priorityFee;
} else {
// MaxFeePerGas with gasPrice
maxFeePerGas = gasPrice;
}
final estimatedGas = await _client.getEstimatedGas(
contractAddress: contractAddress,
senderAddress: _evmChainPrivateKey.address,
value: EtherAmount.fromBigInt(EtherUnit.wei, amount!),
gasPrice: EtherAmount.fromInt(EtherUnit.wei, gasPrice),
toAddress: EthereumAddress.fromHex(receivingAddressHex),
// maxFeePerGas: EtherAmount.fromInt(EtherUnit.wei, maxFeePerGas),
// maxPriorityFeePerGas: EtherAmount.fromInt(EtherUnit.gwei, priority.tip),
);
final totalGasFee = estimatedGas * maxFeePerGas;
return totalGasFee;
}
return 0;
} catch (e) {
return 0;
}
}
@override
Future<void> changePassword(String password) {
throw UnimplementedError("changePassword");
}
@override
void close() {
_client.stop();
_transactionsUpdateTimer?.cancel();
}
@action
@override
Future<void> connectToNode({required Node node}) async {
try {
syncStatus = ConnectingSyncStatus();
final isConnected = _client.connect(node);
if (!isConnected) {
throw Exception("${walletInfo.type.name.toUpperCase()} Node connection failed");
}
_client.setListeners(_evmChainPrivateKey.address, _onNewTransaction);
_setTransactionUpdateTimer();
syncStatus = ConnectedSyncStatus();
} catch (e) {
syncStatus = FailedSyncStatus();
}
}
@action
@override
Future<void> startSync() async {
try {
syncStatus = AttemptingSyncStatus();
await _updateBalance();
await _updateTransactions();
await _updateEstimatedGasFeeParams();
Timer.periodic(const Duration(seconds: 10), (timer) async {
await _updateEstimatedGasFeeParams();
});
syncStatus = SyncedSyncStatus();
} catch (e) {
syncStatus = FailedSyncStatus();
}
}
Future<void> _updateEstimatedGasFeeParams() async {
gasBaseFee = await _client.getGasBaseFee();
gasPrice = await _client.getGasUnitPrice();
estimatedGasUnits = await _client.getEstimatedGas(
senderAddress: _evmChainPrivateKey.address,
toAddress: _evmChainPrivateKey.address,
gasPrice: EtherAmount.fromInt(EtherUnit.wei, gasPrice),
value: EtherAmount.fromBigInt(EtherUnit.wei, BigInt.one),
);
}
@override
Future<PendingTransaction> createTransaction(Object credentials) async {
final _credentials = credentials as EVMChainTransactionCredentials;
final outputs = _credentials.outputs;
final hasMultiDestination = outputs.length > 1;
final String? opReturnMemo = outputs.first.memo;
String? hexOpReturnMemo;
if (opReturnMemo != null) {
hexOpReturnMemo =
'0x${opReturnMemo.codeUnits.map((char) => char.toRadixString(16).padLeft(2, '0')).join()}';
}
final CryptoCurrency transactionCurrency =
balance.keys.firstWhere((element) => element.title == _credentials.currency.title);
final erc20Balance = balance[transactionCurrency]!;
BigInt totalAmount = BigInt.zero;
BigInt estimatedFeesForTransaction = BigInt.zero;
int exponent = transactionCurrency is Erc20Token ? transactionCurrency.decimal : 18;
num amountToEVMChainMultiplier = pow(10, exponent);
String? contractAddress;
String toAddress = _credentials.outputs.first.isParsedAddress
? _credentials.outputs.first.extractedAddress!
: _credentials.outputs.first.address;
if (transactionCurrency is Erc20Token) {
contractAddress = transactionCurrency.contractAddress;
}
// so far this can not be made with Ethereum as Ethereum does not support multiple recipients
if (hasMultiDestination) {
if (outputs.any((item) => item.sendAll || (item.formattedCryptoAmount ?? 0) <= 0)) {
throw EVMChainTransactionCreationException(transactionCurrency);
}
final totalOriginalAmount = EVMChainFormatter.parseEVMChainAmountToDouble(
outputs.fold(0, (acc, value) => acc + (value.formattedCryptoAmount ?? 0)));
totalAmount = BigInt.from(totalOriginalAmount * amountToEVMChainMultiplier);
final estimateFees = await calculateActualEstimatedFeeForCreateTransaction(
amount: totalAmount,
receivingAddressHex: toAddress,
priority: _credentials.priority!,
contractAddress: contractAddress,
);
estimatedFeesForTransaction = BigInt.from(estimateFees);
if (erc20Balance.balance < totalAmount) {
throw EVMChainTransactionCreationException(transactionCurrency);
}
} else {
final output = outputs.first;
if (!output.sendAll) {
final totalOriginalAmount =
EVMChainFormatter.parseEVMChainAmountToDouble(output.formattedCryptoAmount ?? 0);
totalAmount = BigInt.from(totalOriginalAmount * amountToEVMChainMultiplier);
}
if (output.sendAll && transactionCurrency is Erc20Token) {
totalAmount = erc20Balance.balance;
}
final estimateFees = await calculateActualEstimatedFeeForCreateTransaction(
amount: totalAmount,
receivingAddressHex: toAddress,
priority: _credentials.priority!,
contractAddress: contractAddress,
);
estimatedFeesForTransaction = BigInt.from(estimateFees);
if (output.sendAll && transactionCurrency is! Erc20Token) {
totalAmount = (erc20Balance.balance - estimatedFeesForTransaction);
if (estimatedFeesForTransaction > erc20Balance.balance) {
throw EVMChainTransactionFeesException();
}
}
if (erc20Balance.balance < totalAmount) {
throw EVMChainTransactionCreationException(transactionCurrency);
}
}
if (transactionCurrency is Erc20Token && isHardwareWallet) {
await (_evmChainPrivateKey as EvmLedgerCredentials)
.provideERC20Info(transactionCurrency.contractAddress, _client.chainId);
}
final pendingEVMChainTransaction = await _client.signTransaction(
privateKey: _evmChainPrivateKey,
toAddress: toAddress,
amount: totalAmount,
gas: estimatedFeesForTransaction,
priority: _credentials.priority!,
currency: transactionCurrency,
exponent: exponent,
contractAddress:
transactionCurrency is Erc20Token ? transactionCurrency.contractAddress : null,
data: hexOpReturnMemo,
);
return pendingEVMChainTransaction;
}
Future<void> _updateTransactions() async {
try {
if (_isTransactionUpdating) {
return;
}
final isProviderEnabled = await checkIfScanProviderIsEnabled();
if (!isProviderEnabled) {
return;
}
_isTransactionUpdating = true;
final transactions = await fetchTransactions();
transactionHistory.addMany(transactions);
await transactionHistory.save();
_isTransactionUpdating = false;
} catch (_) {
_isTransactionUpdating = false;
}
}
@override
Future<Map<String, EVMChainTransactionInfo>> fetchTransactions() async {
final List<EVMChainTransactionModel> transactions = [];
final List<Future<List<EVMChainTransactionModel>>> erc20TokensTransactions = [];
final address = _evmChainPrivateKey.address.hex;
final externalTransactions = await _client.fetchTransactions(address);
final internalTransactions = await _client.fetchInternalTransactions(address);
for (var transaction in externalTransactions) {
final evmSignatureName = analyzeTransaction(transaction.input);
if (evmSignatureName != 'depositWithExpiry' && evmSignatureName != 'transfer') {
transaction.evmSignatureName = evmSignatureName;
transactions.add(transaction);
}
}
for (var token in balance.keys) {
if (token is Erc20Token) {
erc20TokensTransactions.add(_client.fetchTransactions(
address,
contractAddress: token.contractAddress,
));
}
}
final tokensTransaction = await Future.wait(erc20TokensTransactions);
transactions.addAll(tokensTransaction.expand((element) => element));
transactions.addAll(internalTransactions);
final Map<String, EVMChainTransactionInfo> result = {};
for (var transactionModel in transactions) {
if (transactionModel.isError) {
continue;
}
result[transactionModel.hash] = getTransactionInfo(transactionModel, address);
}
return result;
}
String? analyzeTransaction(String? transactionInput) {
if (transactionInput == '0x' || transactionInput == null || transactionInput.isEmpty) {
return 'simpleTransfer';
}
final methodSignature =
transactionInput.length >= 10 ? transactionInput.substring(0, 10) : null;
return methodSignatureToType[methodSignature];
}
@override
Object get keys => throw UnimplementedError("keys");
@override
Future<void> rescan({required int height}) {
throw UnimplementedError("rescan");
}
@override
Future<void> save() async {
if (!(await WalletKeysFile.hasKeysFile(walletInfo.name, walletInfo.type))) {
await saveKeysFile(_password, encryptionFileUtils);
saveKeysFile(_password, encryptionFileUtils, true);
}
await walletAddresses.updateAddressesInBox();
final path = await makePath();
await encryptionFileUtils.write(path: path, password: _password, data: toJSON());
await transactionHistory.save();
}
@override
String? get seed => _mnemonic;
@override
String? get privateKey => evmChainPrivateKey is EthPrivateKey
? HEX.encode((evmChainPrivateKey as EthPrivateKey).privateKey)
: null;
@override
WalletKeysData get walletKeysData => WalletKeysData(mnemonic: _mnemonic, privateKey: privateKey);
String toJSON() => json.encode({
'mnemonic': _mnemonic,
'private_key': privateKey,
'balance': balance[currency]!.toJSON(),
});
Future<void> _updateBalance() async {
balance[currency] = await _fetchEVMChainBalance();
await _fetchErc20Balances();
await save();
}
Future<EVMChainERC20Balance> _fetchEVMChainBalance() async {
final balance = await _client.getBalance(_evmChainPrivateKey.address);
return EVMChainERC20Balance(balance.getInWei);
}
Future<void> _fetchErc20Balances() async {
for (var token in evmChainErc20TokensBox.values) {
try {
if (token.enabled) {
balance[token] = await _client.fetchERC20Balances(
_evmChainPrivateKey.address,
token.contractAddress,
);
} else {
balance.remove(token);
}
} catch (_) {}
}
}
Future<EthPrivateKey> getPrivateKey(
{String? mnemonic, String? privateKey, required String password}) async {
assert(mnemonic != null || privateKey != null);
if (privateKey != null) {
return EthPrivateKey.fromHex(privateKey);
}
final seed = bip39.mnemonicToSeed(mnemonic!);
final root = bip32.BIP32.fromSeed(seed);
const hdPathEVMChain = "m/44'/60'/0'/0";
const index = 0;
final addressAtIndex = root.derivePath("$hdPathEVMChain/$index");
return EthPrivateKey.fromHex(HEX.encode(addressAtIndex.privateKey as List<int>));
}
@override
Future<void>? updateBalance() async => await _updateBalance();
List<Erc20Token> get erc20Currencies => evmChainErc20TokensBox.values.toList();
Future<void> addErc20Token(Erc20Token token) async {
String? iconPath;
if (token.iconPath == null || token.iconPath!.isEmpty) {
try {
iconPath = CryptoCurrency.all
.firstWhere((element) => element.title.toUpperCase() == token.symbol.toUpperCase())
.iconPath;
} catch (_) {}
} else {
iconPath = token.iconPath;
}
final newToken = createNewErc20TokenObject(token, iconPath);
await evmChainErc20TokensBox.put(newToken.contractAddress, newToken);
if (newToken.enabled) {
balance[newToken] = await _client.fetchERC20Balances(
_evmChainPrivateKey.address,
newToken.contractAddress,
);
} else {
balance.remove(newToken);
}
}
Future<void> deleteErc20Token(Erc20Token token) async {
await token.delete();
balance.remove(token);
await removeTokenTransactionsInHistory(token);
_updateBalance();
}
Future<void> removeTokenTransactionsInHistory(Erc20Token token) async {
transactionHistory.transactions.removeWhere((key, value) => value.tokenSymbol == token.title);
await transactionHistory.save();
}
Future<Erc20Token?> getErc20Token(String contractAddress, String chainName) async =>
await _client.getErc20Token(contractAddress, chainName);
void _onNewTransaction() {
_updateBalance();
_updateTransactions();
}
@override
Future<void> renameWalletFiles(String newWalletName) async {
final transactionHistoryFileNameForWallet = getTransactionHistoryFileName();
final currentWalletPath = await pathForWallet(name: walletInfo.name, type: type);
final currentWalletFile = File(currentWalletPath);
final currentDirPath = await pathForWalletDir(name: walletInfo.name, type: type);
final currentTransactionsFile = File('$currentDirPath/$transactionHistoryFileNameForWallet');
// Copies current wallet files into new wallet name's dir and files
if (currentWalletFile.existsSync()) {
final newWalletPath = await pathForWallet(name: newWalletName, type: type);
await currentWalletFile.copy(newWalletPath);
}
if (currentTransactionsFile.existsSync()) {
final newDirPath = await pathForWalletDir(name: newWalletName, type: type);
await currentTransactionsFile.copy('$newDirPath/$transactionHistoryFileNameForWallet');
}
// Delete old name's dir and files
await Directory(currentDirPath).delete(recursive: true);
}
void _setTransactionUpdateTimer() {
if (_transactionsUpdateTimer?.isActive ?? false) {
_transactionsUpdateTimer!.cancel();
}
_transactionsUpdateTimer = Timer.periodic(const Duration(seconds: 15), (_) {
_updateTransactions();
_updateBalance();
});
}
/// Scan Providers:
///
/// EtherScan for Ethereum.
///
/// PolygonScan for Polygon.
void updateScanProviderUsageState(bool isEnabled) {
if (isEnabled) {
_updateTransactions();
_setTransactionUpdateTimer();
} else {
_transactionsUpdateTimer?.cancel();
}
}
@override
Future<String> signMessage(String message, {String? address}) async =>
bytesToHex(await _evmChainPrivateKey.signPersonalMessage(ascii.encode(message)));
Web3Client? getWeb3Client() => _client.getWeb3Client();
@override
String get password => _password;
}