mirror of
https://github.com/cake-tech/cake_wallet.git
synced 2024-12-24 12:39:37 +00:00
98 lines
3.2 KiB
Dart
98 lines
3.2 KiB
Dart
import 'package:convert/convert.dart';
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import 'package:bitcoin_base/bitcoin_base.dart';
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import 'package:blockchain_utils/blockchain_utils.dart';
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import 'package:cw_bitcoin/utils.dart';
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import 'package:cw_bitcoin/electrum_wallet_addresses.dart';
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import 'package:cw_core/wallet_info.dart';
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import 'package:cw_mweb/cw_mweb.dart';
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import 'package:cw_mweb/mwebd.pb.dart';
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import 'package:mobx/mobx.dart';
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part 'litecoin_wallet_addresses.g.dart';
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class LitecoinWalletAddresses = LitecoinWalletAddressesBase with _$LitecoinWalletAddresses;
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abstract class LitecoinWalletAddressesBase extends ElectrumWalletAddresses with Store {
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LitecoinWalletAddressesBase(
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WalletInfo walletInfo, {
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required super.mainHd,
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required super.sideHd,
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required super.network,
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required this.mwebHd,
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required this.mwebEnabled,
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super.initialAddresses,
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super.initialRegularAddressIndex,
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super.initialChangeAddressIndex,
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}) : super(walletInfo) {
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if (mwebEnabled) {
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// give the server a few seconds to start up before trying to get the addresses:
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Future.delayed(const Duration(seconds: 5), () async {
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await topUpMweb(0);
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});
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}
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}
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final Bip32Slip10Secp256k1 mwebHd;
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bool mwebEnabled;
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List<int> get scanSecret => mwebHd.childKey(Bip32KeyIndex(0x80000000)).privateKey.privKey.raw;
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List<int> get spendPubkey =>
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mwebHd.childKey(Bip32KeyIndex(0x80000001)).publicKey.pubKey.compressed;
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List<String> mwebAddrs = [];
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Future<void> topUpMweb(int index) async {
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final stub = await CwMweb.stub();
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while (mwebAddrs.length - index < 1000) {
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final length = mwebAddrs.length;
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final resp = await stub.addresses(AddressRequest(
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fromIndex: length,
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toIndex: index + 1000,
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scanSecret: scanSecret,
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spendPubkey: spendPubkey,
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));
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if (mwebAddrs.length == length) {
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mwebAddrs.addAll(resp.address);
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}
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}
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}
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@override
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String getAddress({
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required int index,
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required Bip32Slip10Secp256k1 hd,
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BitcoinAddressType? addressType,
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}) {
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if (addressType == SegwitAddresType.mweb && mwebEnabled) {
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topUpMweb(index);
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return hd == sideHd ? mwebAddrs[0] : mwebAddrs[index + 1];
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}
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return generateP2WPKHAddress(hd: hd, index: index, network: network);
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}
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@override
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Future<String> getAddressAsync({
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required int index,
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required Bip32Slip10Secp256k1 hd,
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BitcoinAddressType? addressType,
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}) async {
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// if mweb isn't enabled we'll just return the regular address type which does effectively nothing
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// sort of a hack but easier than trying to pull the mweb setting into the electrum_wallet_addresses initialization code
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// (we want to avoid initializing the mweb.stub() if it's not enabled or we'd be starting the whole server for no reason and it's slow)
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// TODO: find a way to do address generation without starting the whole mweb server
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if (addressType == SegwitAddresType.mweb && mwebEnabled) {
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await topUpMweb(index);
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}
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return getAddress(index: index, hd: hd, addressType: addressType);
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}
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@action
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@override
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Future<String> getChangeAddress() async {
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if (mwebEnabled) {
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await topUpMweb(0);
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return mwebAddrs[0];
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}
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return super.getChangeAddress();
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}
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}
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