cake_wallet/cw_bitcoin/lib/bitcoin_wallet.dart
2023-08-25 11:59:24 -04:00

117 lines
4.3 KiB
Dart

import 'package:cw_bitcoin/bitcoin_mnemonic.dart';
import 'package:cw_core/crypto_currency.dart';
import 'package:cw_core/unspent_coins_info.dart';
import 'package:hive/hive.dart';
import 'package:mobx/mobx.dart';
import 'package:flutter/foundation.dart';
import 'package:bitcoin_flutter/bitcoin_flutter.dart' as bitcoin;
import 'package:cw_bitcoin/electrum_wallet_snapshot.dart';
import 'package:cw_bitcoin/electrum_wallet.dart';
import 'package:cw_core/wallet_info.dart';
import 'package:cw_bitcoin/bitcoin_address_record.dart';
import 'package:cw_bitcoin/electrum_balance.dart';
import 'package:cw_bitcoin/bitcoin_wallet_addresses.dart';
part 'bitcoin_wallet.g.dart';
class BitcoinWallet = BitcoinWalletBase with _$BitcoinWallet;
abstract class BitcoinWalletBase extends ElectrumWallet with Store {
BitcoinWalletBase(
{required String mnemonic,
required String password,
required WalletInfo walletInfo,
required Box<UnspentCoinsInfo> unspentCoinsInfo,
required Uint8List seedBytes,
List<BitcoinAddressRecord>? initialAddresses,
ElectrumBalance? initialBalance,
int initialRegularAddressIndex = 0,
int initialChangeAddressIndex = 0})
: super(
mnemonic: mnemonic,
password: password,
walletInfo: walletInfo,
unspentCoinsInfo: unspentCoinsInfo,
networkType: bitcoin.bitcoin,
initialAddresses: initialAddresses,
initialBalance: initialBalance,
seedBytes: seedBytes,
currency: CryptoCurrency.btc) {
walletAddresses = BitcoinWalletAddresses(walletInfo,
electrumClient: electrumClient,
initialAddresses: initialAddresses,
initialRegularAddressIndex: initialRegularAddressIndex,
initialChangeAddressIndex: initialChangeAddressIndex,
mainHd: hd,
sideHd: bitcoin.HDWallet.fromSeed(seedBytes, network: networkType)
.derivePath(walletInfo.derivationPath!),
networkType: networkType);
}
static Future<BitcoinWallet> create(
{required String mnemonic,
required String password,
required WalletInfo walletInfo,
required Box<UnspentCoinsInfo> unspentCoinsInfo,
List<BitcoinAddressRecord>? initialAddresses,
ElectrumBalance? initialBalance,
int initialRegularAddressIndex = 0,
int initialChangeAddressIndex = 0}) async {
late Uint8List seedBytes;
if (walletInfo.derivationType == DerivationType.electrum2) {
seedBytes = await mnemonicToSeedBytes(mnemonic);
} else {
// TODO: add bip39 seed
seedBytes = await mnemonicToSeedBytes(mnemonic);
}
return BitcoinWallet(
mnemonic: mnemonic,
password: password,
walletInfo: walletInfo,
unspentCoinsInfo: unspentCoinsInfo,
initialAddresses: initialAddresses,
initialBalance: initialBalance,
seedBytes: seedBytes,
initialRegularAddressIndex: initialRegularAddressIndex,
initialChangeAddressIndex: initialChangeAddressIndex);
}
static Future<BitcoinWallet> open({
required String name,
required WalletInfo walletInfo,
required Box<UnspentCoinsInfo> unspentCoinsInfo,
required String password,
}) async {
final snp = await ElectrumWallletSnapshot.load(name, walletInfo.type, password);
walletInfo.derivationType = snp.derivationType;
walletInfo.derivationPath = snp.derivationPath;
// set the default if not present:
if (walletInfo.derivationPath == null) {
walletInfo.derivationPath = "m/0'/1";
}
if (walletInfo.derivationType == null) {
walletInfo.derivationType = DerivationType.electrum2;
}
late Uint8List seedBytes;
if (walletInfo.derivationType == DerivationType.electrum2) {
seedBytes = await mnemonicToSeedBytes(snp.mnemonic);
} else {
// TODO: add bip39 seed
seedBytes = await mnemonicToSeedBytes(snp.mnemonic);
}
return BitcoinWallet(
mnemonic: snp.mnemonic,
password: password,
walletInfo: walletInfo,
unspentCoinsInfo: unspentCoinsInfo,
initialAddresses: snp.addresses,
initialBalance: snp.balance,
seedBytes: seedBytes,
initialRegularAddressIndex: snp.regularAddressIndex,
initialChangeAddressIndex: snp.changeAddressIndex);
}
}