mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2025-06-28 12:29:51 +00:00
CW-551-Refactor-EVM-Chains (#1256)
* feat: Create central package for EVM chains * chore: Cleanup pubspec and add core evm dependencies * feat: Replicated core evm chain files, time to start fixing the issues * feat: Setup evm central package to handle all evm chains * feat: Link up Polygon and Ethereum wallets to the centra evm package, fix bugs and issues, and optimze for better performance * feat: Setup and adjust configs to reflect new evm configurations * Remove unneeded file * fix: Changes done while re-reviewing entire structure and refactor * fix: Add evm chain wallet path to imports in configure file * feat: Adjust implementation of parent class, remove unneeded files, remove windows, linux and mac directories, restructure the evm child classes * fix: Make EVMChainWallet a central abstract class and adjust accordingly * fix: Adjust transaction info, restructure EVMWalletChain to be an abstract, adjust external facing interfaces for polygon and ethereum, adjust configuration for ethereum and polygon in configure file * fix: Testing issues * fix: Add localization for nft tile and details page texts and add dashes for null responses * fix: merge conflicts * Minor fixes for building Monero.com --------- Co-authored-by: OmarHatem <omarh.ismail1@gmail.com>
This commit is contained in:
Adegoke David
GitHub
parent
b92ccb5c0b
commit
7410daacff
90 changed files with 1775 additions and 2041 deletions
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@ -1,7 +1,7 @@
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import 'package:cw_core/crypto_currency.dart';
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import 'package:cw_core/erc20_token.dart';
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class DefaultErc20Tokens {
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class DefaultEthereumErc20Tokens {
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final List<Erc20Token> _defaultTokens = [
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Erc20Token(
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name: "USD Coin",
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@ -1,47 +0,0 @@
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import 'dart:convert';
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import 'dart:math';
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import 'package:cw_core/balance.dart';
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class ERC20Balance extends Balance {
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ERC20Balance(this.balance, {this.exponent = 18})
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: super(balance.toInt(),
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balance.toInt());
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final BigInt balance;
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final int exponent;
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@override
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String get formattedAdditionalBalance {
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final String formattedBalance = (balance / BigInt.from(10).pow(exponent)).toString();
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return formattedBalance.substring(0, min(12, formattedBalance.length));
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}
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@override
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String get formattedAvailableBalance {
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final String formattedBalance = (balance / BigInt.from(10).pow(exponent)).toString();
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return formattedBalance.substring(0, min(12, formattedBalance.length));
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}
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String toJSON() => json.encode({
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'balanceInWei': balance.toString(),
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'exponent': exponent,
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});
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static ERC20Balance? fromJSON(String? jsonSource) {
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if (jsonSource == null) {
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return null;
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}
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final decoded = json.decode(jsonSource) as Map;
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try {
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return ERC20Balance(
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BigInt.parse(decoded['balanceInWei']),
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exponent: decoded['exponent'],
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);
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} catch (e) {
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return ERC20Balance(BigInt.zero);
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}
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}
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}
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@ -1,229 +1,22 @@
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import 'dart:async';
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import 'dart:convert';
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import 'dart:developer';
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import 'dart:typed_data';
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import 'package:cw_core/crypto_currency.dart';
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import 'package:cw_ethereum/erc20_balance.dart';
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import 'package:cw_core/erc20_token.dart';
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import 'package:cw_ethereum/ethereum_transaction_model.dart';
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import 'package:cw_ethereum/pending_ethereum_transaction.dart';
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import 'package:flutter/services.dart';
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import 'package:http/http.dart';
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import 'package:cw_evm/evm_chain_client.dart';
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import 'package:cw_evm/.secrets.g.dart' as secrets;
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import 'package:cw_evm/evm_chain_transaction_model.dart';
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import 'package:web3dart/web3dart.dart';
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import 'package:erc20/erc20.dart';
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import 'package:cw_core/node.dart';
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import 'package:cw_ethereum/ethereum_transaction_priority.dart';
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import 'package:cw_ethereum/.secrets.g.dart' as secrets;
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class EthereumClient {
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final httpClient = Client();
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Web3Client? _client;
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bool connect(Node node) {
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try {
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_client = Web3Client(node.uri.toString(), httpClient);
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return true;
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} catch (e) {
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return false;
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}
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}
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void setListeners(EthereumAddress userAddress, Function() onNewTransaction) async {
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// _client?.pendingTransactions().listen((transactionHash) async {
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// final transaction = await _client!.getTransactionByHash(transactionHash);
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//
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// if (transaction.from.hex == userAddress || transaction.to?.hex == userAddress) {
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// onNewTransaction();
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// }
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// });
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}
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Future<EtherAmount> getBalance(EthereumAddress address) async {
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try {
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return await _client!.getBalance(address);
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} catch (_) {
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return EtherAmount.zero();
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}
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}
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Future<int> getGasUnitPrice() async {
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try {
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final gasPrice = await _client!.getGasPrice();
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return gasPrice.getInWei.toInt();
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} catch (_) {
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return 0;
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}
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}
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Future<int> getEstimatedGas() async {
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try {
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final estimatedGas = await _client!.estimateGas();
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return estimatedGas.toInt();
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} catch (_) {
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return 0;
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}
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}
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Future<PendingEthereumTransaction> signTransaction({
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required EthPrivateKey privateKey,
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required String toAddress,
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required String amount,
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required int gas,
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required EthereumTransactionPriority priority,
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required CryptoCurrency currency,
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required int exponent,
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String? contractAddress,
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}) async {
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assert(currency == CryptoCurrency.eth ||
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currency == CryptoCurrency.maticpoly ||
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contractAddress != null);
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bool _isEVMCompatibleChain =
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currency == CryptoCurrency.eth || currency == CryptoCurrency.maticpoly;
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final price = _client!.getGasPrice();
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final Transaction transaction = createTransaction(
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from: privateKey.address,
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to: EthereumAddress.fromHex(toAddress),
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maxPriorityFeePerGas: EtherAmount.fromInt(EtherUnit.gwei, priority.tip),
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amount: _isEVMCompatibleChain ? EtherAmount.inWei(BigInt.parse(amount)) : EtherAmount.zero(),
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);
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final signedTransaction =
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await _client!.signTransaction(privateKey, transaction, chainId: chainId);
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final Function _sendTransaction;
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if (_isEVMCompatibleChain) {
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_sendTransaction = () async => await sendTransaction(signedTransaction);
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} else {
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final erc20 = ERC20(
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client: _client!,
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address: EthereumAddress.fromHex(contractAddress!),
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chainId: chainId,
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);
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_sendTransaction = () async {
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await erc20.transfer(
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EthereumAddress.fromHex(toAddress),
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BigInt.parse(amount),
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credentials: privateKey,
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transaction: transaction,
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);
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};
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}
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return PendingEthereumTransaction(
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signedTransaction: signedTransaction,
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amount: amount,
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fee: BigInt.from(gas) * (await price).getInWei,
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sendTransaction: _sendTransaction,
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exponent: exponent,
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);
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}
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class EthereumClient extends EVMChainClient {
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@override
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int get chainId => 1;
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Transaction createTransaction({
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required EthereumAddress from,
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required EthereumAddress to,
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required EtherAmount amount,
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EtherAmount? maxPriorityFeePerGas,
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}) {
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return Transaction(
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from: from,
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to: to,
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maxPriorityFeePerGas: maxPriorityFeePerGas,
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value: amount,
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);
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}
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Future<String> sendTransaction(Uint8List signedTransaction) async =>
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await _client!.sendRawTransaction(prepareSignedTransactionForSending(signedTransaction));
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@override
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Uint8List prepareSignedTransactionForSending(Uint8List signedTransaction) =>
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prependTransactionType(0x02, signedTransaction);
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Future getTransactionDetails(String transactionHash) async {
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// Wait for the transaction receipt to become available
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TransactionReceipt? receipt;
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while (receipt == null) {
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receipt = await _client!.getTransactionReceipt(transactionHash);
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await Future.delayed(Duration(seconds: 1));
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}
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// Print the receipt information
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print('Transaction Hash: ${receipt.transactionHash}');
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print('Block Hash: ${receipt.blockHash}');
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print('Block Number: ${receipt.blockNumber}');
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print('Gas Used: ${receipt.gasUsed}');
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/*
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Transaction Hash: [112, 244, 4, 238, 89, 199, 171, 191, 210, 236, 110, 42, 185, 202, 220, 21, 27, 132, 123, 221, 137, 90, 77, 13, 23, 43, 12, 230, 93, 63, 221, 116]
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I/flutter ( 4474): Block Hash: [149, 44, 250, 119, 111, 104, 82, 98, 17, 89, 30, 190, 25, 44, 218, 118, 127, 189, 241, 35, 213, 106, 25, 95, 195, 37, 55, 131, 185, 180, 246, 200]
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I/flutter ( 4474): Block Number: 17120242
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I/flutter ( 4474): Gas Used: 21000
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*/
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// Wait for the transaction receipt to become available
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TransactionInformation? transactionInformation;
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while (transactionInformation == null) {
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print("********************************");
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transactionInformation = await _client!.getTransactionByHash(transactionHash);
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await Future.delayed(Duration(seconds: 1));
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}
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// Print the receipt information
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print('Transaction Hash: ${transactionInformation.hash}');
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print('Block Hash: ${transactionInformation.blockHash}');
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print('Block Number: ${transactionInformation.blockNumber}');
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print('Gas Used: ${transactionInformation.gas}');
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/*
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Transaction Hash: 0x70f404ee59c7abbfd2ec6e2ab9cadc151b847bdd895a4d0d172b0ce65d3fdd74
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I/flutter ( 4474): Block Hash: 0x952cfa776f68526211591ebe192cda767fbdf123d56a195fc3253783b9b4f6c8
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I/flutter ( 4474): Block Number: 17120242
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I/flutter ( 4474): Gas Used: 53000
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*/
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}
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Future<ERC20Balance> fetchERC20Balances(
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EthereumAddress userAddress, String contractAddress) async {
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final erc20 = ERC20(address: EthereumAddress.fromHex(contractAddress), client: _client!);
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try {
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final balance = await erc20.balanceOf(userAddress);
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int exponent = (await erc20.decimals()).toInt();
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return ERC20Balance(balance, exponent: exponent);
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} catch (_) {
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return ERC20Balance(BigInt.zero);
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}
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}
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Future<Erc20Token?> getErc20Token(String contractAddress) async {
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try {
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final erc20 = ERC20(address: EthereumAddress.fromHex(contractAddress), client: _client!);
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final name = await erc20.name();
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final symbol = await erc20.symbol();
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final decimal = await erc20.decimals();
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return Erc20Token(
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name: name,
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symbol: symbol,
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contractAddress: contractAddress,
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decimal: decimal.toInt(),
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);
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} catch (e) {
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return null;
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}
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}
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void stop() {
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_client?.dispose();
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}
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Future<List<EthereumTransactionModel>> fetchTransactions(String address,
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@override
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Future<List<EVMChainTransactionModel>> fetchTransactions(String address,
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{String? contractAddress}) async {
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try {
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final response = await httpClient.get(Uri.https("api.etherscan.io", "/api", {
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@ -234,41 +27,18 @@ I/flutter ( 4474): Gas Used: 53000
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"apikey": secrets.etherScanApiKey,
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}));
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final _jsonResponse = json.decode(response.body) as Map<String, dynamic>;
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final jsonResponse = json.decode(response.body) as Map<String, dynamic>;
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if (response.statusCode >= 200 && response.statusCode < 300 && _jsonResponse['status'] != 0) {
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return (_jsonResponse['result'] as List)
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.map((e) => EthereumTransactionModel.fromJson(e as Map<String, dynamic>))
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if (response.statusCode >= 200 && response.statusCode < 300 && jsonResponse['status'] != 0) {
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return (jsonResponse['result'] as List)
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.map((e) => EVMChainTransactionModel.fromJson(e as Map<String, dynamic>, 'ETH'))
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.toList();
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}
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return [];
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} catch (e) {
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print(e);
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log(e.toString());
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return [];
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}
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}
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Web3Client? getWeb3Client() {
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return _client;
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}
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// Future<int> _getDecimalPlacesForContract(DeployedContract contract) async {
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// final String abi = await rootBundle.loadString("assets/abi_json/erc20_abi.json");
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// final contractAbi = ContractAbi.fromJson(abi, "ERC20");
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//
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// final contract = DeployedContract(
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// contractAbi,
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// EthereumAddress.fromHex(_erc20Currencies[erc20Currency]!),
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// );
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// final decimalsFunction = contract.function('decimals');
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// final decimals = await _client!.call(
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// contract: contract,
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// function: decimalsFunction,
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// params: [],
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// );
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//
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// int exponent = int.parse(decimals.first.toString());
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// return exponent;
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// }
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}
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@ -1,11 +0,0 @@
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import 'package:cw_core/crypto_currency.dart';
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class EthereumTransactionCreationException implements Exception {
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final String exceptionMessage;
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EthereumTransactionCreationException(CryptoCurrency currency) :
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this.exceptionMessage = 'Wrong balance. Not enough ${currency.title} on your balance.';
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@override
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String toString() => exceptionMessage;
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}
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@ -1,25 +0,0 @@
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import 'package:intl/intl.dart';
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const ethereumAmountLength = 12;
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const ethereumAmountDivider = 1000000000000;
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final ethereumAmountFormat = NumberFormat()
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..maximumFractionDigits = ethereumAmountLength
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..minimumFractionDigits = 1;
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class EthereumFormatter {
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static int parseEthereumAmount(String amount) {
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try {
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return (double.parse(amount) * ethereumAmountDivider).round();
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} catch (_) {
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return 0;
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}
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}
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static double parseEthereumAmountToDouble(int amount) {
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try {
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return amount / ethereumAmountDivider;
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} catch (_) {
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return 0;
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}
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}
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}
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File diff suppressed because it is too large
Load diff
5
cw_ethereum/lib/ethereum_mnemonics_exception.dart
Normal file
5
cw_ethereum/lib/ethereum_mnemonics_exception.dart
Normal file
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@ -0,0 +1,5 @@
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class EthereumMnemonicIsIncorrectException implements Exception {
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@override
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String toString() =>
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'Ethereum mnemonic has incorrect format. Mnemonic should contain 12 or 24 words separated by space.';
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}
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@ -1,17 +0,0 @@
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import 'package:cw_core/crypto_currency.dart';
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import 'package:cw_core/output_info.dart';
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import 'package:cw_ethereum/ethereum_transaction_priority.dart';
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|
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class EthereumTransactionCredentials {
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EthereumTransactionCredentials(
|
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this.outputs, {
|
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required this.priority,
|
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required this.currency,
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this.feeRate,
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});
|
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|
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final List<OutputInfo> outputs;
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final EthereumTransactionPriority? priority;
|
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final int? feeRate;
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final CryptoCurrency currency;
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}
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|
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@ -1,77 +1,18 @@
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import 'dart:convert';
|
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import 'dart:core';
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import 'package:cw_core/pathForWallet.dart';
|
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import 'package:cw_core/wallet_info.dart';
|
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import 'package:cw_ethereum/file.dart';
|
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import 'package:mobx/mobx.dart';
|
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import 'package:cw_core/transaction_history.dart';
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import 'package:cw_ethereum/ethereum_transaction_info.dart';
|
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import 'package:cw_evm/evm_chain_transaction_history.dart';
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import 'package:cw_evm/evm_chain_transaction_info.dart';
|
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|
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part 'ethereum_transaction_history.g.dart';
|
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|
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const transactionsHistoryFileName = 'transactions.json';
|
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|
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class EthereumTransactionHistory = EthereumTransactionHistoryBase with _$EthereumTransactionHistory;
|
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|
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abstract class EthereumTransactionHistoryBase
|
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extends TransactionHistoryBase<EthereumTransactionInfo> with Store {
|
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EthereumTransactionHistoryBase({required this.walletInfo, required String password})
|
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: _password = password {
|
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transactions = ObservableMap<String, EthereumTransactionInfo>();
|
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}
|
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|
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final WalletInfo walletInfo;
|
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String _password;
|
||||
|
||||
Future<void> init() async => await _load();
|
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class EthereumTransactionHistory extends EVMChainTransactionHistory {
|
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EthereumTransactionHistory({
|
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required super.walletInfo,
|
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required super.password,
|
||||
});
|
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|
||||
@override
|
||||
Future<void> save() async {
|
||||
try {
|
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final dirPath = await pathForWalletDir(name: walletInfo.name, type: walletInfo.type);
|
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final path = '$dirPath/$transactionsHistoryFileName';
|
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final data = json.encode({'transactions': transactions});
|
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await writeData(path: path, password: _password, data: data);
|
||||
} catch (e, s) {
|
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print('Error while save ethereum transaction history: ${e.toString()}');
|
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print(s);
|
||||
}
|
||||
}
|
||||
String getTransactionHistoryFileName() => 'transactions.json';
|
||||
|
||||
@override
|
||||
void addOne(EthereumTransactionInfo transaction) => transactions[transaction.id] = transaction;
|
||||
|
||||
@override
|
||||
void addMany(Map<String, EthereumTransactionInfo> transactions) =>
|
||||
this.transactions.addAll(transactions);
|
||||
|
||||
Future<Map<String, dynamic>> _read() async {
|
||||
final dirPath = await pathForWalletDir(name: walletInfo.name, type: walletInfo.type);
|
||||
final path = '$dirPath/$transactionsHistoryFileName';
|
||||
final content = await read(path: path, password: _password);
|
||||
if (content.isEmpty) {
|
||||
return {};
|
||||
}
|
||||
return json.decode(content) as Map<String, dynamic>;
|
||||
}
|
||||
|
||||
Future<void> _load() async {
|
||||
try {
|
||||
final content = await _read();
|
||||
final txs = content['transactions'] as Map<String, dynamic>? ?? {};
|
||||
|
||||
txs.entries.forEach((entry) {
|
||||
final val = entry.value;
|
||||
|
||||
if (val is Map<String, dynamic>) {
|
||||
final tx = EthereumTransactionInfo.fromJson(val);
|
||||
_update(tx);
|
||||
}
|
||||
});
|
||||
} catch (e) {
|
||||
print(e);
|
||||
}
|
||||
}
|
||||
|
||||
void _update(EthereumTransactionInfo transaction) => transactions[transaction.id] = transaction;
|
||||
EVMChainTransactionInfo getTransactionInfo(Map<String, dynamic> val) =>
|
||||
EthereumTransactionInfo.fromJson(val);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,57 +1,21 @@
|
|||
import 'dart:math';
|
||||
|
||||
import 'package:cw_core/format_amount.dart';
|
||||
import 'package:cw_core/transaction_direction.dart';
|
||||
import 'package:cw_core/transaction_info.dart';
|
||||
import 'package:cw_evm/evm_chain_transaction_info.dart';
|
||||
|
||||
class EthereumTransactionInfo extends TransactionInfo {
|
||||
class EthereumTransactionInfo extends EVMChainTransactionInfo {
|
||||
EthereumTransactionInfo({
|
||||
required this.id,
|
||||
required this.height,
|
||||
required this.ethAmount,
|
||||
required this.ethFee,
|
||||
this.tokenSymbol = "ETH",
|
||||
this.exponent = 18,
|
||||
required this.direction,
|
||||
required this.isPending,
|
||||
required this.date,
|
||||
required this.confirmations,
|
||||
required this.to,
|
||||
}) : this.amount = ethAmount.toInt(),
|
||||
this.fee = ethFee.toInt();
|
||||
|
||||
final String id;
|
||||
final int height;
|
||||
final int amount;
|
||||
final BigInt ethAmount;
|
||||
final int exponent;
|
||||
final TransactionDirection direction;
|
||||
final DateTime date;
|
||||
final bool isPending;
|
||||
final int fee;
|
||||
final BigInt ethFee;
|
||||
final int confirmations;
|
||||
final String tokenSymbol;
|
||||
String? _fiatAmount;
|
||||
final String? to;
|
||||
|
||||
@override
|
||||
String amountFormatted() {
|
||||
final amount = formatAmount((ethAmount / BigInt.from(10).pow(exponent)).toString());
|
||||
return '${amount.substring(0, min(10, amount.length))} $tokenSymbol';
|
||||
}
|
||||
|
||||
@override
|
||||
String fiatAmount() => _fiatAmount ?? '';
|
||||
|
||||
@override
|
||||
void changeFiatAmount(String amount) => _fiatAmount = formatAmount(amount);
|
||||
|
||||
@override
|
||||
String feeFormatted() {
|
||||
final amount = (ethFee / BigInt.from(10).pow(18)).toString();
|
||||
return '${amount.substring(0, min(10, amount.length))} ETH';
|
||||
}
|
||||
required super.id,
|
||||
required super.height,
|
||||
required super.ethAmount,
|
||||
required super.ethFee,
|
||||
required super.tokenSymbol,
|
||||
required super.direction,
|
||||
required super.isPending,
|
||||
required super.date,
|
||||
required super.confirmations,
|
||||
required super.to,
|
||||
required super.from,
|
||||
super.exponent,
|
||||
});
|
||||
|
||||
factory EthereumTransactionInfo.fromJson(Map<String, dynamic> data) {
|
||||
return EthereumTransactionInfo(
|
||||
|
|
@ -66,20 +30,10 @@ class EthereumTransactionInfo extends TransactionInfo {
|
|||
confirmations: data['confirmations'] as int,
|
||||
tokenSymbol: data['tokenSymbol'] as String,
|
||||
to: data['to'],
|
||||
from: data['from'],
|
||||
);
|
||||
}
|
||||
|
||||
Map<String, dynamic> toJson() => {
|
||||
'id': id,
|
||||
'height': height,
|
||||
'amount': ethAmount.toString(),
|
||||
'exponent': exponent,
|
||||
'fee': ethFee.toString(),
|
||||
'direction': direction.index,
|
||||
'date': date.millisecondsSinceEpoch,
|
||||
'isPending': isPending,
|
||||
'confirmations': confirmations,
|
||||
'tokenSymbol': tokenSymbol,
|
||||
'to': to,
|
||||
};
|
||||
@override
|
||||
String get feeCurrency => 'ETH';
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,48 +0,0 @@
|
|||
//! Model used for in parsing transactions fetched using etherscan
|
||||
class EthereumTransactionModel {
|
||||
final DateTime date;
|
||||
final String hash;
|
||||
final String from;
|
||||
final String to;
|
||||
final BigInt amount;
|
||||
final int gasUsed;
|
||||
final BigInt gasPrice;
|
||||
final String contractAddress;
|
||||
final int confirmations;
|
||||
final int blockNumber;
|
||||
final String? tokenSymbol;
|
||||
final int? tokenDecimal;
|
||||
final bool isError;
|
||||
|
||||
EthereumTransactionModel({
|
||||
required this.date,
|
||||
required this.hash,
|
||||
required this.from,
|
||||
required this.to,
|
||||
required this.amount,
|
||||
required this.gasUsed,
|
||||
required this.gasPrice,
|
||||
required this.contractAddress,
|
||||
required this.confirmations,
|
||||
required this.blockNumber,
|
||||
required this.tokenSymbol,
|
||||
required this.tokenDecimal,
|
||||
required this.isError,
|
||||
});
|
||||
|
||||
factory EthereumTransactionModel.fromJson(Map<String, dynamic> json) => EthereumTransactionModel(
|
||||
date: DateTime.fromMillisecondsSinceEpoch(int.parse(json["timeStamp"]) * 1000),
|
||||
hash: json["hash"],
|
||||
from: json["from"],
|
||||
to: json["to"],
|
||||
amount: BigInt.parse(json["value"]),
|
||||
gasUsed: int.parse(json["gasUsed"]),
|
||||
gasPrice: BigInt.parse(json["gasPrice"]),
|
||||
contractAddress: json["contractAddress"],
|
||||
confirmations: int.parse(json["confirmations"]),
|
||||
blockNumber: int.parse(json["blockNumber"]),
|
||||
tokenSymbol: json["tokenSymbol"] ?? "ETH",
|
||||
tokenDecimal: int.tryParse(json["tokenDecimal"] ?? ""),
|
||||
isError: json["isError"] == "1",
|
||||
);
|
||||
}
|
||||
|
|
@ -1,52 +0,0 @@
|
|||
import 'package:cw_core/transaction_priority.dart';
|
||||
|
||||
class EthereumTransactionPriority extends TransactionPriority {
|
||||
final int tip;
|
||||
|
||||
const EthereumTransactionPriority({required String title, required int raw, required this.tip})
|
||||
: super(title: title, raw: raw);
|
||||
|
||||
static const List<EthereumTransactionPriority> all = [fast, medium, slow];
|
||||
static const EthereumTransactionPriority slow =
|
||||
EthereumTransactionPriority(title: 'slow', raw: 0, tip: 1);
|
||||
static const EthereumTransactionPriority medium =
|
||||
EthereumTransactionPriority(title: 'Medium', raw: 1, tip: 2);
|
||||
static const EthereumTransactionPriority fast =
|
||||
EthereumTransactionPriority(title: 'Fast', raw: 2, tip: 4);
|
||||
|
||||
static EthereumTransactionPriority deserialize({required int raw}) {
|
||||
switch (raw) {
|
||||
case 0:
|
||||
return slow;
|
||||
case 1:
|
||||
return medium;
|
||||
case 2:
|
||||
return fast;
|
||||
default:
|
||||
throw Exception('Unexpected token: $raw for EthereumTransactionPriority deserialize');
|
||||
}
|
||||
}
|
||||
|
||||
String get units => 'gas';
|
||||
|
||||
@override
|
||||
String toString() {
|
||||
var label = '';
|
||||
|
||||
switch (this) {
|
||||
case EthereumTransactionPriority.slow:
|
||||
label = 'Slow';
|
||||
break;
|
||||
case EthereumTransactionPriority.medium:
|
||||
label = 'Medium';
|
||||
break;
|
||||
case EthereumTransactionPriority.fast:
|
||||
label = 'Fast';
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return label;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,126 +1,58 @@
|
|||
import 'dart:async';
|
||||
import 'dart:convert';
|
||||
import 'dart:io';
|
||||
import 'dart:math';
|
||||
|
||||
import 'package:cw_core/crypto_currency.dart';
|
||||
import 'package:cw_core/cake_hive.dart';
|
||||
import 'package:cw_core/node.dart';
|
||||
import 'package:cw_core/crypto_currency.dart';
|
||||
import 'package:cw_core/erc20_token.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_direction.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_ethereum/default_ethereum_erc20_tokens.dart';
|
||||
import 'package:cw_ethereum/erc20_balance.dart';
|
||||
import 'package:cw_ethereum/ethereum_client.dart';
|
||||
import 'package:cw_ethereum/ethereum_exceptions.dart';
|
||||
import 'package:cw_ethereum/ethereum_formatter.dart';
|
||||
import 'package:cw_ethereum/ethereum_transaction_credentials.dart';
|
||||
import 'package:cw_ethereum/ethereum_transaction_history.dart';
|
||||
import 'package:cw_ethereum/ethereum_transaction_info.dart';
|
||||
import 'package:cw_ethereum/ethereum_transaction_model.dart';
|
||||
import 'package:cw_ethereum/ethereum_transaction_priority.dart';
|
||||
import 'package:cw_ethereum/ethereum_wallet_addresses.dart';
|
||||
import 'package:cw_ethereum/file.dart';
|
||||
import 'package:cw_core/erc20_token.dart';
|
||||
import 'package:hive/hive.dart';
|
||||
import 'package:hex/hex.dart';
|
||||
import 'package:mobx/mobx.dart';
|
||||
import 'package:shared_preferences/shared_preferences.dart';
|
||||
import 'package:web3dart/crypto.dart';
|
||||
import 'package:web3dart/web3dart.dart';
|
||||
import 'package:bip39/bip39.dart' as bip39;
|
||||
import 'package:bip32/bip32.dart' as bip32;
|
||||
import 'package:cw_evm/evm_chain_transaction_history.dart';
|
||||
import 'package:cw_evm/evm_chain_transaction_info.dart';
|
||||
import 'package:cw_evm/evm_chain_transaction_model.dart';
|
||||
import 'package:cw_evm/evm_chain_wallet.dart';
|
||||
import 'package:cw_evm/evm_erc20_balance.dart';
|
||||
import 'package:cw_evm/file.dart';
|
||||
|
||||
part 'ethereum_wallet.g.dart';
|
||||
class EthereumWallet extends EVMChainWallet {
|
||||
EthereumWallet({
|
||||
required super.client,
|
||||
required super.password,
|
||||
required super.walletInfo,
|
||||
super.mnemonic,
|
||||
super.initialBalance,
|
||||
super.privateKey,
|
||||
}) : super(nativeCurrency: CryptoCurrency.eth);
|
||||
|
||||
class EthereumWallet = EthereumWalletBase with _$EthereumWallet;
|
||||
@override
|
||||
void addInitialTokens() {
|
||||
final initialErc20Tokens = DefaultEthereumErc20Tokens().initialErc20Tokens;
|
||||
|
||||
abstract class EthereumWalletBase
|
||||
extends WalletBase<ERC20Balance, EthereumTransactionHistory, EthereumTransactionInfo>
|
||||
with Store {
|
||||
EthereumWalletBase({
|
||||
required WalletInfo walletInfo,
|
||||
String? mnemonic,
|
||||
String? privateKey,
|
||||
required String password,
|
||||
ERC20Balance? initialBalance,
|
||||
}) : syncStatus = NotConnectedSyncStatus(),
|
||||
_password = password,
|
||||
_mnemonic = mnemonic,
|
||||
_hexPrivateKey = privateKey,
|
||||
_isTransactionUpdating = false,
|
||||
_client = EthereumClient(),
|
||||
walletAddresses = EthereumWalletAddresses(walletInfo),
|
||||
balance = ObservableMap<CryptoCurrency, ERC20Balance>.of(
|
||||
{CryptoCurrency.eth: initialBalance ?? ERC20Balance(BigInt.zero)}),
|
||||
super(walletInfo) {
|
||||
this.walletInfo = walletInfo;
|
||||
transactionHistory = EthereumTransactionHistory(walletInfo: walletInfo, password: password);
|
||||
|
||||
if (!CakeHive.isAdapterRegistered(Erc20Token.typeId)) {
|
||||
CakeHive.registerAdapter(Erc20TokenAdapter());
|
||||
for (var token in initialErc20Tokens) {
|
||||
evmChainErc20TokensBox.put(token.contractAddress, token);
|
||||
}
|
||||
|
||||
_sharedPrefs.complete(SharedPreferences.getInstance());
|
||||
}
|
||||
|
||||
final String? _mnemonic;
|
||||
final String? _hexPrivateKey;
|
||||
final String _password;
|
||||
|
||||
late final Box<Erc20Token> erc20TokensBox;
|
||||
|
||||
late final Box<Erc20Token> ethereumErc20TokensBox;
|
||||
|
||||
late final EthPrivateKey _ethPrivateKey;
|
||||
|
||||
EthPrivateKey get ethPrivateKey => _ethPrivateKey;
|
||||
|
||||
late EthereumClient _client;
|
||||
|
||||
int? _gasPrice;
|
||||
int? _estimatedGas;
|
||||
bool _isTransactionUpdating;
|
||||
|
||||
// TODO: remove after integrating our own node and having eth_newPendingTransactionFilter
|
||||
Timer? _transactionsUpdateTimer;
|
||||
@override
|
||||
Future<bool> checkIfScanProviderIsEnabled() async {
|
||||
bool isEtherscanEnabled = (await sharedPrefs.future).getBool("use_etherscan") ?? true;
|
||||
return isEtherscanEnabled;
|
||||
}
|
||||
|
||||
@override
|
||||
WalletAddresses walletAddresses;
|
||||
|
||||
@override
|
||||
@observable
|
||||
SyncStatus syncStatus;
|
||||
|
||||
@override
|
||||
@observable
|
||||
late ObservableMap<CryptoCurrency, ERC20Balance> balance;
|
||||
|
||||
Completer<SharedPreferences> _sharedPrefs = Completer();
|
||||
|
||||
Future<void> init() async {
|
||||
Future<void> initErc20TokensBox() async {
|
||||
// This is for ethereum wallets,
|
||||
// Other wallets would override and initialize their respective boxes with their boxNames.
|
||||
await movePreviousErc20BoxConfigsToNewBox();
|
||||
|
||||
await walletAddresses.init();
|
||||
await transactionHistory.init();
|
||||
_ethPrivateKey = await getPrivateKey(
|
||||
mnemonic: _mnemonic,
|
||||
privateKey: _hexPrivateKey,
|
||||
password: _password,
|
||||
);
|
||||
walletAddresses.address = _ethPrivateKey.address.toString();
|
||||
await save();
|
||||
}
|
||||
|
||||
/// Majorly for backward compatibility for previous configs that have been set.
|
||||
Future<void> movePreviousErc20BoxConfigsToNewBox() async {
|
||||
// Opens a box specific to this wallet
|
||||
ethereumErc20TokensBox = await CakeHive.openBox<Erc20Token>(
|
||||
evmChainErc20TokensBox = await CakeHive.openBox<Erc20Token>(
|
||||
"${walletInfo.name.replaceAll(" ", "_")}_${Erc20Token.ethereumBoxName}");
|
||||
|
||||
//Open the previous token configs box
|
||||
|
|
@ -130,7 +62,7 @@ abstract class EthereumWalletBase
|
|||
if (erc20TokensBox.isEmpty) {
|
||||
// If it's empty, but the new wallet specific box is also empty,
|
||||
// we load the initial tokens to the new box.
|
||||
if (ethereumErc20TokensBox.isEmpty) addInitialTokens();
|
||||
if (evmChainErc20TokensBox.isEmpty) addInitialTokens();
|
||||
return;
|
||||
}
|
||||
|
||||
|
|
@ -141,319 +73,37 @@ abstract class EthereumWalletBase
|
|||
await erc20TokensBox.deleteFromDisk();
|
||||
|
||||
// Add all the previous tokens with configs to the new box
|
||||
ethereumErc20TokensBox.addAll(allValues);
|
||||
evmChainErc20TokensBox.addAll(allValues);
|
||||
}
|
||||
|
||||
@override
|
||||
int calculateEstimatedFee(TransactionPriority priority, int? amount) {
|
||||
try {
|
||||
if (priority is EthereumTransactionPriority) {
|
||||
final priorityFee = EtherAmount.fromInt(EtherUnit.gwei, priority.tip).getInWei.toInt();
|
||||
return (_gasPrice! + priorityFee) * (_estimatedGas ?? 0);
|
||||
}
|
||||
|
||||
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("Ethereum Node connection failed");
|
||||
}
|
||||
|
||||
_client.setListeners(_ethPrivateKey.address, _onNewTransaction);
|
||||
|
||||
_setTransactionUpdateTimer();
|
||||
|
||||
syncStatus = ConnectedSyncStatus();
|
||||
} catch (e) {
|
||||
syncStatus = FailedSyncStatus();
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
Future<PendingTransaction> createTransaction(Object credentials) async {
|
||||
final _credentials = credentials as EthereumTransactionCredentials;
|
||||
final outputs = _credentials.outputs;
|
||||
final hasMultiDestination = outputs.length > 1;
|
||||
|
||||
final CryptoCurrency transactionCurrency =
|
||||
balance.keys.firstWhere((element) => element.title == _credentials.currency.title);
|
||||
|
||||
final _erc20Balance = balance[transactionCurrency]!;
|
||||
BigInt totalAmount = BigInt.zero;
|
||||
int exponent = transactionCurrency is Erc20Token ? transactionCurrency.decimal : 18;
|
||||
num amountToEthereumMultiplier = pow(10, exponent);
|
||||
|
||||
// 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 EthereumTransactionCreationException(transactionCurrency);
|
||||
}
|
||||
|
||||
final totalOriginalAmount = EthereumFormatter.parseEthereumAmountToDouble(
|
||||
outputs.fold(0, (acc, value) => acc + (value.formattedCryptoAmount ?? 0)));
|
||||
totalAmount = BigInt.from(totalOriginalAmount * amountToEthereumMultiplier);
|
||||
|
||||
if (_erc20Balance.balance < totalAmount) {
|
||||
throw EthereumTransactionCreationException(transactionCurrency);
|
||||
}
|
||||
} else {
|
||||
final output = outputs.first;
|
||||
// since the fees are taken from Ethereum
|
||||
// then no need to subtract the fees from the amount if send all
|
||||
final BigInt allAmount;
|
||||
if (transactionCurrency is Erc20Token) {
|
||||
allAmount = _erc20Balance.balance;
|
||||
} else {
|
||||
allAmount = _erc20Balance.balance -
|
||||
BigInt.from(calculateEstimatedFee(_credentials.priority!, null));
|
||||
}
|
||||
final totalOriginalAmount =
|
||||
EthereumFormatter.parseEthereumAmountToDouble(output.formattedCryptoAmount ?? 0);
|
||||
totalAmount = output.sendAll
|
||||
? allAmount
|
||||
: BigInt.from(totalOriginalAmount * amountToEthereumMultiplier);
|
||||
|
||||
if (_erc20Balance.balance < totalAmount) {
|
||||
throw EthereumTransactionCreationException(transactionCurrency);
|
||||
}
|
||||
}
|
||||
|
||||
final pendingEthereumTransaction = await _client.signTransaction(
|
||||
privateKey: _ethPrivateKey,
|
||||
toAddress: _credentials.outputs.first.isParsedAddress
|
||||
? _credentials.outputs.first.extractedAddress!
|
||||
: _credentials.outputs.first.address,
|
||||
amount: totalAmount.toString(),
|
||||
gas: _estimatedGas!,
|
||||
priority: _credentials.priority!,
|
||||
currency: transactionCurrency,
|
||||
exponent: exponent,
|
||||
contractAddress:
|
||||
transactionCurrency is Erc20Token ? transactionCurrency.contractAddress : null,
|
||||
EVMChainTransactionInfo getTransactionInfo(
|
||||
EVMChainTransactionModel transactionModel, String address) {
|
||||
final model = EthereumTransactionInfo(
|
||||
id: transactionModel.hash,
|
||||
height: transactionModel.blockNumber,
|
||||
ethAmount: transactionModel.amount,
|
||||
direction: transactionModel.from == address
|
||||
? TransactionDirection.outgoing
|
||||
: TransactionDirection.incoming,
|
||||
isPending: false,
|
||||
date: transactionModel.date,
|
||||
confirmations: transactionModel.confirmations,
|
||||
ethFee: BigInt.from(transactionModel.gasUsed) * transactionModel.gasPrice,
|
||||
exponent: transactionModel.tokenDecimal ?? 18,
|
||||
tokenSymbol: transactionModel.tokenSymbol ?? "ETH",
|
||||
to: transactionModel.to,
|
||||
from: transactionModel.from,
|
||||
);
|
||||
|
||||
return pendingEthereumTransaction;
|
||||
}
|
||||
|
||||
Future<void> _updateTransactions() async {
|
||||
try {
|
||||
if (_isTransactionUpdating) {
|
||||
return;
|
||||
}
|
||||
bool isEtherscanEnabled = (await _sharedPrefs.future).getBool("use_etherscan") ?? true;
|
||||
if (!isEtherscanEnabled) {
|
||||
return;
|
||||
}
|
||||
|
||||
_isTransactionUpdating = true;
|
||||
final transactions = await fetchTransactions();
|
||||
transactionHistory.addMany(transactions);
|
||||
await transactionHistory.save();
|
||||
_isTransactionUpdating = false;
|
||||
} catch (_) {
|
||||
_isTransactionUpdating = false;
|
||||
}
|
||||
return model;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<Map<String, EthereumTransactionInfo>> fetchTransactions() async {
|
||||
final address = _ethPrivateKey.address.hex;
|
||||
final transactions = await _client.fetchTransactions(address);
|
||||
|
||||
final List<Future<List<EthereumTransactionModel>>> erc20TokensTransactions = [];
|
||||
|
||||
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));
|
||||
|
||||
final Map<String, EthereumTransactionInfo> result = {};
|
||||
|
||||
for (var transactionModel in transactions) {
|
||||
if (transactionModel.isError) {
|
||||
continue;
|
||||
}
|
||||
|
||||
result[transactionModel.hash] = EthereumTransactionInfo(
|
||||
id: transactionModel.hash,
|
||||
height: transactionModel.blockNumber,
|
||||
ethAmount: transactionModel.amount,
|
||||
direction: transactionModel.from == address
|
||||
? TransactionDirection.outgoing
|
||||
: TransactionDirection.incoming,
|
||||
isPending: false,
|
||||
date: transactionModel.date,
|
||||
confirmations: transactionModel.confirmations,
|
||||
ethFee: BigInt.from(transactionModel.gasUsed) * transactionModel.gasPrice,
|
||||
exponent: transactionModel.tokenDecimal ?? 18,
|
||||
tokenSymbol: transactionModel.tokenSymbol ?? "ETH",
|
||||
to: transactionModel.to,
|
||||
);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
String getTransactionHistoryFileName() => 'transactions.json';
|
||||
|
||||
@override
|
||||
Object get keys => throw UnimplementedError("keys");
|
||||
|
||||
@override
|
||||
Future<void> rescan({required int height}) {
|
||||
throw UnimplementedError("rescan");
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> save() async {
|
||||
await walletAddresses.updateAddressesInBox();
|
||||
final path = await makePath();
|
||||
await write(path: path, password: _password, data: toJSON());
|
||||
await transactionHistory.save();
|
||||
}
|
||||
|
||||
@override
|
||||
String? get seed => _mnemonic;
|
||||
|
||||
@override
|
||||
String get privateKey => HEX.encode(_ethPrivateKey.privateKey);
|
||||
|
||||
@action
|
||||
@override
|
||||
Future<void> startSync() async {
|
||||
try {
|
||||
syncStatus = AttemptingSyncStatus();
|
||||
await _updateBalance();
|
||||
await _updateTransactions();
|
||||
_gasPrice = await _client.getGasUnitPrice();
|
||||
_estimatedGas = await _client.getEstimatedGas();
|
||||
|
||||
Timer.periodic(
|
||||
const Duration(minutes: 1), (timer) async => _gasPrice = await _client.getGasUnitPrice());
|
||||
Timer.periodic(const Duration(seconds: 10),
|
||||
(timer) async => _estimatedGas = await _client.getEstimatedGas());
|
||||
|
||||
syncStatus = SyncedSyncStatus();
|
||||
} catch (e) {
|
||||
syncStatus = FailedSyncStatus();
|
||||
}
|
||||
}
|
||||
|
||||
Future<String> makePath() async => pathForWallet(name: walletInfo.name, type: walletInfo.type);
|
||||
|
||||
String toJSON() => json.encode({
|
||||
'mnemonic': _mnemonic,
|
||||
'private_key': privateKey,
|
||||
'balance': balance[currency]!.toJSON(),
|
||||
});
|
||||
|
||||
static Future<EthereumWallet> open({
|
||||
required String name,
|
||||
required String password,
|
||||
required WalletInfo walletInfo,
|
||||
}) async {
|
||||
final path = await pathForWallet(name: name, type: walletInfo.type);
|
||||
final jsonSource = await read(path: path, password: password);
|
||||
final data = json.decode(jsonSource) as Map;
|
||||
final mnemonic = data['mnemonic'] as String?;
|
||||
final privateKey = data['private_key'] as String?;
|
||||
final balance = ERC20Balance.fromJSON(data['balance'] as String) ?? ERC20Balance(BigInt.zero);
|
||||
|
||||
return EthereumWallet(
|
||||
walletInfo: walletInfo,
|
||||
password: password,
|
||||
mnemonic: mnemonic,
|
||||
privateKey: privateKey,
|
||||
initialBalance: balance,
|
||||
);
|
||||
}
|
||||
|
||||
Future<void> _updateBalance() async {
|
||||
balance[currency] = await _fetchEthBalance();
|
||||
|
||||
await _fetchErc20Balances();
|
||||
await save();
|
||||
}
|
||||
|
||||
Future<ERC20Balance> _fetchEthBalance() async {
|
||||
final balance = await _client.getBalance(_ethPrivateKey.address);
|
||||
return ERC20Balance(balance.getInWei);
|
||||
}
|
||||
|
||||
Future<void> _fetchErc20Balances() async {
|
||||
for (var token in ethereumErc20TokensBox.values) {
|
||||
try {
|
||||
if (token.enabled) {
|
||||
balance[token] = await _client.fetchERC20Balances(
|
||||
_ethPrivateKey.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 _hdPathEthereum = "m/44'/60'/0'/0";
|
||||
const index = 0;
|
||||
final addressAtIndex = root.derivePath("$_hdPathEthereum/$index");
|
||||
|
||||
return EthPrivateKey.fromHex(HEX.encode(addressAtIndex.privateKey as List<int>));
|
||||
}
|
||||
|
||||
Future<void>? updateBalance() async => await _updateBalance();
|
||||
|
||||
List<Erc20Token> get erc20Currencies => ethereumErc20TokensBox.values.toList();
|
||||
|
||||
Future<void> addErc20Token(Erc20Token token) async {
|
||||
String? iconPath;
|
||||
try {
|
||||
iconPath = CryptoCurrency.all
|
||||
.firstWhere((element) => element.title.toUpperCase() == token.symbol.toUpperCase())
|
||||
.iconPath;
|
||||
} catch (_) {}
|
||||
|
||||
final _token = Erc20Token(
|
||||
Erc20Token createNewErc20TokenObject(Erc20Token token, String? iconPath) {
|
||||
return Erc20Token(
|
||||
name: token.name,
|
||||
symbol: token.symbol,
|
||||
contractAddress: token.contractAddress,
|
||||
|
|
@ -462,85 +112,30 @@ abstract class EthereumWalletBase
|
|||
tag: token.tag ?? "ETH",
|
||||
iconPath: iconPath,
|
||||
);
|
||||
|
||||
await ethereumErc20TokensBox.put(_token.contractAddress, _token);
|
||||
|
||||
if (_token.enabled) {
|
||||
balance[_token] = await _client.fetchERC20Balances(
|
||||
_ethPrivateKey.address,
|
||||
_token.contractAddress,
|
||||
);
|
||||
} else {
|
||||
balance.remove(_token);
|
||||
}
|
||||
}
|
||||
|
||||
Future<void> deleteErc20Token(Erc20Token token) async {
|
||||
await token.delete();
|
||||
|
||||
balance.remove(token);
|
||||
_updateBalance();
|
||||
}
|
||||
|
||||
Future<Erc20Token?> getErc20Token(String contractAddress) async =>
|
||||
await _client.getErc20Token(contractAddress);
|
||||
|
||||
void _onNewTransaction() {
|
||||
_updateBalance();
|
||||
_updateTransactions();
|
||||
}
|
||||
|
||||
void addInitialTokens() {
|
||||
final initialErc20Tokens = DefaultErc20Tokens().initialErc20Tokens;
|
||||
|
||||
initialErc20Tokens.forEach((token) => ethereumErc20TokensBox.put(token.contractAddress, token));
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> renameWalletFiles(String newWalletName) async {
|
||||
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('$currentDirPath/$transactionsHistoryFileName');
|
||||
|
||||
// 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('$newDirPath/$transactionsHistoryFileName');
|
||||
}
|
||||
|
||||
// Delete old name's dir and files
|
||||
await Directory(currentDirPath).delete(recursive: true);
|
||||
EVMChainTransactionHistory setUpTransactionHistory(WalletInfo walletInfo, String password) {
|
||||
return EthereumTransactionHistory(walletInfo: walletInfo, password: password);
|
||||
}
|
||||
|
||||
void _setTransactionUpdateTimer() {
|
||||
if (_transactionsUpdateTimer?.isActive ?? false) {
|
||||
_transactionsUpdateTimer!.cancel();
|
||||
}
|
||||
static Future<EthereumWallet> open(
|
||||
{required String name, required String password, required WalletInfo walletInfo}) async {
|
||||
final path = await pathForWallet(name: name, type: walletInfo.type);
|
||||
final jsonSource = await read(path: path, password: password);
|
||||
final data = json.decode(jsonSource) as Map;
|
||||
final mnemonic = data['mnemonic'] as String?;
|
||||
final privateKey = data['private_key'] as String?;
|
||||
final balance = EVMChainERC20Balance.fromJSON(data['balance'] as String) ??
|
||||
EVMChainERC20Balance(BigInt.zero);
|
||||
|
||||
_transactionsUpdateTimer = Timer.periodic(const Duration(seconds: 10), (_) {
|
||||
_updateTransactions();
|
||||
_updateBalance();
|
||||
});
|
||||
return EthereumWallet(
|
||||
walletInfo: walletInfo,
|
||||
password: password,
|
||||
mnemonic: mnemonic,
|
||||
privateKey: privateKey,
|
||||
initialBalance: balance,
|
||||
client: EthereumClient(),
|
||||
);
|
||||
}
|
||||
|
||||
void updateEtherscanUsageState(bool isEnabled) {
|
||||
if (isEnabled) {
|
||||
_updateTransactions();
|
||||
_setTransactionUpdateTimer();
|
||||
} else {
|
||||
_transactionsUpdateTimer?.cancel();
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
String signMessage(String message, {String? address}) =>
|
||||
bytesToHex(_ethPrivateKey.signPersonalMessageToUint8List(ascii.encode(message)));
|
||||
|
||||
Web3Client? getWeb3Client() => _client.getWeb3Client();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,33 +0,0 @@
|
|||
import 'package:cw_core/wallet_addresses.dart';
|
||||
import 'package:cw_core/wallet_info.dart';
|
||||
import 'package:mobx/mobx.dart';
|
||||
|
||||
part 'ethereum_wallet_addresses.g.dart';
|
||||
|
||||
class EthereumWalletAddresses = EthereumWalletAddressesBase with _$EthereumWalletAddresses;
|
||||
|
||||
abstract class EthereumWalletAddressesBase extends WalletAddresses with Store {
|
||||
EthereumWalletAddressesBase(WalletInfo walletInfo)
|
||||
: address = '',
|
||||
super(walletInfo);
|
||||
|
||||
@override
|
||||
String address;
|
||||
|
||||
@override
|
||||
Future<void> init() async {
|
||||
address = walletInfo.address;
|
||||
await updateAddressesInBox();
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> updateAddressesInBox() async {
|
||||
try {
|
||||
addressesMap.clear();
|
||||
addressesMap[address] = '';
|
||||
await saveAddressesInBox();
|
||||
} catch (e) {
|
||||
print(e.toString());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,29 +0,0 @@
|
|||
import 'package:cw_core/wallet_credentials.dart';
|
||||
import 'package:cw_core/wallet_info.dart';
|
||||
|
||||
class EthereumNewWalletCredentials extends WalletCredentials {
|
||||
EthereumNewWalletCredentials({required String name, WalletInfo? walletInfo})
|
||||
: super(name: name, walletInfo: walletInfo);
|
||||
}
|
||||
|
||||
class EthereumRestoreWalletFromSeedCredentials extends WalletCredentials {
|
||||
EthereumRestoreWalletFromSeedCredentials(
|
||||
{required String name,
|
||||
required String password,
|
||||
required this.mnemonic,
|
||||
WalletInfo? walletInfo})
|
||||
: super(name: name, password: password, walletInfo: walletInfo);
|
||||
|
||||
final String mnemonic;
|
||||
}
|
||||
|
||||
class EthereumRestoreWalletFromPrivateKey extends WalletCredentials {
|
||||
EthereumRestoreWalletFromPrivateKey(
|
||||
{required String name,
|
||||
required String password,
|
||||
required this.privateKey,
|
||||
WalletInfo? walletInfo})
|
||||
: super(name: name, password: password, walletInfo: walletInfo);
|
||||
|
||||
final String privateKey;
|
||||
}
|
||||
|
|
@ -1,32 +1,31 @@
|
|||
import 'dart:io';
|
||||
|
||||
import 'package:cw_core/pathForWallet.dart';
|
||||
import 'package:cw_core/wallet_base.dart';
|
||||
import 'package:cw_core/wallet_info.dart';
|
||||
import 'package:cw_core/wallet_service.dart';
|
||||
import 'package:cw_core/wallet_type.dart';
|
||||
import 'package:cw_ethereum/ethereum_mnemonics.dart';
|
||||
import 'package:cw_ethereum/ethereum_client.dart';
|
||||
import 'package:cw_ethereum/ethereum_mnemonics_exception.dart';
|
||||
import 'package:cw_ethereum/ethereum_wallet.dart';
|
||||
import 'package:cw_ethereum/ethereum_wallet_creation_credentials.dart';
|
||||
import 'package:hive/hive.dart';
|
||||
import 'package:cw_evm/evm_chain_wallet_creation_credentials.dart';
|
||||
import 'package:cw_evm/evm_chain_wallet_service.dart';
|
||||
import 'package:bip39/bip39.dart' as bip39;
|
||||
import 'package:collection/collection.dart';
|
||||
|
||||
class EthereumWalletService extends WalletService<EthereumNewWalletCredentials,
|
||||
EthereumRestoreWalletFromSeedCredentials, EthereumRestoreWalletFromPrivateKey> {
|
||||
EthereumWalletService(this.walletInfoSource);
|
||||
class EthereumWalletService extends EVMChainWalletService<EthereumWallet> {
|
||||
EthereumWalletService(super.walletInfoSource, {required this.client});
|
||||
|
||||
final Box<WalletInfo> walletInfoSource;
|
||||
late EthereumClient client;
|
||||
|
||||
@override
|
||||
Future<EthereumWallet> create(EthereumNewWalletCredentials credentials) async {
|
||||
WalletType getType() => WalletType.ethereum;
|
||||
|
||||
@override
|
||||
Future<EthereumWallet> create(EVMChainNewWalletCredentials credentials) async {
|
||||
final strength = credentials.seedPhraseLength == 24 ? 256 : 128;
|
||||
|
||||
final mnemonic = bip39.generateMnemonic(strength: strength);
|
||||
|
||||
final wallet = EthereumWallet(
|
||||
walletInfo: credentials.walletInfo!,
|
||||
mnemonic: mnemonic,
|
||||
password: credentials.password!,
|
||||
client: client,
|
||||
);
|
||||
|
||||
await wallet.init();
|
||||
|
|
@ -36,18 +35,11 @@ class EthereumWalletService extends WalletService<EthereumNewWalletCredentials,
|
|||
return wallet;
|
||||
}
|
||||
|
||||
@override
|
||||
WalletType getType() => WalletType.ethereum;
|
||||
|
||||
@override
|
||||
Future<bool> isWalletExit(String name) async =>
|
||||
File(await pathForWallet(name: name, type: getType())).existsSync();
|
||||
|
||||
@override
|
||||
Future<EthereumWallet> openWallet(String name, String password) async {
|
||||
final walletInfo =
|
||||
walletInfoSource.values.firstWhere((info) => info.id == WalletBase.idFor(name, getType()));
|
||||
final wallet = await EthereumWalletBase.open(
|
||||
final wallet = await EthereumWallet.open(
|
||||
name: name,
|
||||
password: password,
|
||||
walletInfo: walletInfo,
|
||||
|
|
@ -60,19 +52,28 @@ class EthereumWalletService extends WalletService<EthereumNewWalletCredentials,
|
|||
}
|
||||
|
||||
@override
|
||||
Future<void> remove(String wallet) async {
|
||||
File(await pathForWalletDir(name: wallet, type: getType())).delete(recursive: true);
|
||||
final walletInfo = walletInfoSource.values
|
||||
.firstWhereOrNull((info) => info.id == WalletBase.idFor(wallet, getType()))!;
|
||||
await walletInfoSource.delete(walletInfo.key);
|
||||
Future<void> rename(String currentName, String password, String newName) async {
|
||||
final currentWalletInfo = walletInfoSource.values
|
||||
.firstWhere((info) => info.id == WalletBase.idFor(currentName, getType()));
|
||||
final currentWallet = await EthereumWallet.open(
|
||||
password: password, name: currentName, walletInfo: currentWalletInfo);
|
||||
|
||||
await currentWallet.renameWalletFiles(newName);
|
||||
|
||||
final newWalletInfo = currentWalletInfo;
|
||||
newWalletInfo.id = WalletBase.idFor(newName, getType());
|
||||
newWalletInfo.name = newName;
|
||||
|
||||
await walletInfoSource.put(currentWalletInfo.key, newWalletInfo);
|
||||
}
|
||||
|
||||
@override
|
||||
Future<EthereumWallet> restoreFromKeys(EthereumRestoreWalletFromPrivateKey credentials) async {
|
||||
Future<EthereumWallet> restoreFromKeys(EVMChainRestoreWalletFromPrivateKey credentials) async {
|
||||
final wallet = EthereumWallet(
|
||||
password: credentials.password!,
|
||||
privateKey: credentials.privateKey,
|
||||
walletInfo: credentials.walletInfo!,
|
||||
client: client,
|
||||
);
|
||||
|
||||
await wallet.init();
|
||||
|
|
@ -84,7 +85,7 @@ class EthereumWalletService extends WalletService<EthereumNewWalletCredentials,
|
|||
|
||||
@override
|
||||
Future<EthereumWallet> restoreFromSeed(
|
||||
EthereumRestoreWalletFromSeedCredentials credentials) async {
|
||||
EVMChainRestoreWalletFromSeedCredentials credentials) async {
|
||||
if (!bip39.validateMnemonic(credentials.mnemonic)) {
|
||||
throw EthereumMnemonicIsIncorrectException();
|
||||
}
|
||||
|
|
@ -93,6 +94,7 @@ class EthereumWalletService extends WalletService<EthereumNewWalletCredentials,
|
|||
password: credentials.password!,
|
||||
mnemonic: credentials.mnemonic,
|
||||
walletInfo: credentials.walletInfo!,
|
||||
client: client,
|
||||
);
|
||||
|
||||
await wallet.init();
|
||||
|
|
@ -101,20 +103,4 @@ class EthereumWalletService extends WalletService<EthereumNewWalletCredentials,
|
|||
|
||||
return wallet;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> rename(String currentName, String password, String newName) async {
|
||||
final currentWalletInfo = walletInfoSource.values
|
||||
.firstWhere((info) => info.id == WalletBase.idFor(currentName, getType()));
|
||||
final currentWallet = await EthereumWalletBase.open(
|
||||
password: password, name: currentName, walletInfo: currentWalletInfo);
|
||||
|
||||
await currentWallet.renameWalletFiles(newName);
|
||||
|
||||
final newWalletInfo = currentWalletInfo;
|
||||
newWalletInfo.id = WalletBase.idFor(newName, getType());
|
||||
newWalletInfo.name = newName;
|
||||
|
||||
await walletInfoSource.put(currentWalletInfo.key, newWalletInfo);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,39 +0,0 @@
|
|||
import 'dart:io';
|
||||
import 'package:cw_core/key.dart';
|
||||
import 'package:encrypt/encrypt.dart' as encrypt;
|
||||
|
||||
Future<void> write(
|
||||
{required String path,
|
||||
required String password,
|
||||
required String data}) async {
|
||||
final keys = extractKeys(password);
|
||||
final key = encrypt.Key.fromBase64(keys.first);
|
||||
final iv = encrypt.IV.fromBase64(keys.last);
|
||||
final encrypted = await encode(key: key, iv: iv, data: data);
|
||||
final f = File(path);
|
||||
f.writeAsStringSync(encrypted);
|
||||
}
|
||||
|
||||
Future<void> writeData(
|
||||
{required String path,
|
||||
required String password,
|
||||
required String data}) async {
|
||||
final keys = extractKeys(password);
|
||||
final key = encrypt.Key.fromBase64(keys.first);
|
||||
final iv = encrypt.IV.fromBase64(keys.last);
|
||||
final encrypted = await encode(key: key, iv: iv, data: data);
|
||||
final f = File(path);
|
||||
f.writeAsStringSync(encrypted);
|
||||
}
|
||||
|
||||
Future<String> read({required String path, required String password}) async {
|
||||
final file = File(path);
|
||||
|
||||
if (!file.existsSync()) {
|
||||
file.createSync();
|
||||
}
|
||||
|
||||
final encrypted = file.readAsStringSync();
|
||||
|
||||
return decode(password: password, data: encrypted);
|
||||
}
|
||||
|
|
@ -1,42 +0,0 @@
|
|||
import 'dart:math';
|
||||
import 'dart:typed_data';
|
||||
|
||||
import 'package:cw_core/pending_transaction.dart';
|
||||
import 'package:web3dart/crypto.dart';
|
||||
|
||||
class PendingEthereumTransaction with PendingTransaction {
|
||||
final Function sendTransaction;
|
||||
final Uint8List signedTransaction;
|
||||
final BigInt fee;
|
||||
final String amount;
|
||||
final int exponent;
|
||||
|
||||
PendingEthereumTransaction({
|
||||
required this.sendTransaction,
|
||||
required this.signedTransaction,
|
||||
required this.fee,
|
||||
required this.amount,
|
||||
required this.exponent,
|
||||
});
|
||||
|
||||
@override
|
||||
String get amountFormatted {
|
||||
final _amount = (BigInt.parse(amount) / BigInt.from(pow(10, exponent))).toString();
|
||||
return _amount.substring(0, min(10, _amount.length));
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> commit() async => await sendTransaction();
|
||||
|
||||
@override
|
||||
String get feeFormatted {
|
||||
final _fee = (fee / BigInt.from(pow(10, 18))).toString();
|
||||
return _fee.substring(0, min(10, _fee.length));
|
||||
}
|
||||
|
||||
@override
|
||||
String get hex => bytesToHex(signedTransaction, include0x: true);
|
||||
|
||||
@override
|
||||
String get id => '';
|
||||
}
|
||||
|
|
@ -13,56 +13,23 @@ dependencies:
|
|||
flutter:
|
||||
sdk: flutter
|
||||
web3dart: ^2.7.1
|
||||
erc20: ^1.0.1
|
||||
mobx: ^2.0.7+4
|
||||
bip39: ^1.0.6
|
||||
bip32: ^2.0.0
|
||||
hex: ^0.2.0
|
||||
http: ^1.1.0
|
||||
shared_preferences: ^2.0.15
|
||||
cw_core:
|
||||
path: ../cw_core
|
||||
cw_evm:
|
||||
path: ../cw_evm
|
||||
hive: ^2.2.3
|
||||
|
||||
dev_dependencies:
|
||||
flutter_test:
|
||||
sdk: flutter
|
||||
build_runner: ^2.1.11
|
||||
mobx_codegen: ^2.0.7
|
||||
hive_generator: ^1.1.3
|
||||
|
||||
# For information on the generic Dart part of this file, see the
|
||||
# following page: https://dart.dev/tools/pub/pubspec
|
||||
|
||||
# The following section is specific to Flutter packages.
|
||||
flutter:
|
||||
|
||||
# To add assets to your package, add an assets section, like this:
|
||||
# assets:
|
||||
# - images/a_dot_burr.jpeg
|
||||
# - images/a_dot_ham.jpeg
|
||||
#
|
||||
# For details regarding assets in packages, see
|
||||
# https://flutter.dev/assets-and-images/#from-packages
|
||||
#
|
||||
# An image asset can refer to one or more resolution-specific "variants", see
|
||||
# https://flutter.dev/assets-and-images/#resolution-aware
|
||||
|
||||
# To add custom fonts to your package, add a fonts section here,
|
||||
# in this "flutter" section. Each entry in this list should have a
|
||||
# "family" key with the font family name, and a "fonts" key with a
|
||||
# list giving the asset and other descriptors for the font. For
|
||||
# example:
|
||||
# fonts:
|
||||
# - family: Schyler
|
||||
# fonts:
|
||||
# - asset: fonts/Schyler-Regular.ttf
|
||||
# - asset: fonts/Schyler-Italic.ttf
|
||||
# style: italic
|
||||
# - family: Trajan Pro
|
||||
# fonts:
|
||||
# - asset: fonts/TrajanPro.ttf
|
||||
# - asset: fonts/TrajanPro_Bold.ttf
|
||||
# weight: 700
|
||||
#
|
||||
# For details regarding fonts in packages, see
|
||||
# https://flutter.dev/custom-fonts/#from-packages
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue