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Merge branch 'manage-zero-chain-height' into testing

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sneurlax 2024-02-14 15:23:47 -06:00
commit cfcfde7e04
1 changed files with 86 additions and 81 deletions
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19
lib/wallets/wallet/wallet_mixin_interfaces/electrumx_interface.dart
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@ -5,6 +5,7 @@ import 'package:bip47/src/util.dart';
import 'package:bitcoindart/bitcoindart.dart' as bitcoindart; import 'package:bitcoindart/bitcoindart.dart' as bitcoindart;
import 'package:coinlib_flutter/coinlib_flutter.dart' as coinlib; import 'package:coinlib_flutter/coinlib_flutter.dart' as coinlib;
import 'package:isar/isar.dart'; import 'package:isar/isar.dart';
import 'package:mutex/mutex.dart';
import 'package:stackwallet/electrumx_rpc/cached_electrumx_client.dart'; import 'package:stackwallet/electrumx_rpc/cached_electrumx_client.dart';
import 'package:stackwallet/electrumx_rpc/electrumx_chain_height_service.dart'; import 'package:stackwallet/electrumx_rpc/electrumx_chain_height_service.dart';
import 'package:stackwallet/electrumx_rpc/electrumx_client.dart'; import 'package:stackwallet/electrumx_rpc/electrumx_client.dart';
@ -824,7 +825,11 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
} }
} }
// Mutex to control subscription management access.
static final Mutex _subMutex = Mutex();
Future<void> _manageChainHeightSubscription() async { Future<void> _manageChainHeightSubscription() async {
await _subMutex.protect(() async {
// Set the timeout period for the chain height subscription. // Set the timeout period for the chain height subscription.
const timeout = Duration(seconds: 10); const timeout = Duration(seconds: 10);
@ -834,7 +839,8 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
// //
// Set up to wait for the first response. // Set up to wait for the first response.
final Completer<int> completer = Completer<int>(); final Completer<int> completer = Completer<int>();
ElectrumxChainHeightService.completers[cryptoCurrency.coin] ??= completer; ElectrumxChainHeightService.completers[cryptoCurrency.coin] ??=
completer;
// Make sure we only complete once. // Make sure we only complete once.
final isFirstResponse = _latestHeight == null; final isFirstResponse = _latestHeight == null;
@ -848,9 +854,6 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
ElectrumxChainHeightService.timeStarted[cryptoCurrency.coin] = ElectrumxChainHeightService.timeStarted[cryptoCurrency.coin] =
subscriptionCreationTime; subscriptionCreationTime;
// Doublecheck to avoid race condition.
if (ElectrumxChainHeightService.subscriptions[cryptoCurrency.coin] ==
null) {
// Set stream subscription. // Set stream subscription.
ElectrumxChainHeightService.subscriptions[cryptoCurrency.coin] = ElectrumxChainHeightService.subscriptions[cryptoCurrency.coin] =
subscription.responseStream.asBroadcastStream().listen((event) { subscription.responseStream.asBroadcastStream().listen((event) {
@ -880,7 +883,6 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
} }
}); });
} }
}
// A subscription already exists. // A subscription already exists.
// //
@ -888,7 +890,8 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
if (ElectrumxChainHeightService if (ElectrumxChainHeightService
.subscriptions[cryptoCurrency.coin]!.isPaused) { .subscriptions[cryptoCurrency.coin]!.isPaused) {
// If it's paused, resume it. // If it's paused, resume it.
ElectrumxChainHeightService.subscriptions[cryptoCurrency.coin]!.resume(); ElectrumxChainHeightService.subscriptions[cryptoCurrency.coin]!
.resume();
} }
// Causes synchronization to stall. // Causes synchronization to stall.
@ -919,7 +922,8 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
} }
// Check if the subscription has been running for too long. // Check if the subscription has been running for too long.
if (ElectrumxChainHeightService.timeStarted[cryptoCurrency.coin] != null) { if (ElectrumxChainHeightService.timeStarted[cryptoCurrency.coin] !=
null) {
final timeRunning = DateTime.now().difference( final timeRunning = DateTime.now().difference(
ElectrumxChainHeightService.timeStarted[cryptoCurrency.coin]!); ElectrumxChainHeightService.timeStarted[cryptoCurrency.coin]!);
// Cancel and retry if we've been waiting too long. // Cancel and retry if we've been waiting too long.
@ -951,6 +955,7 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
.completers[cryptoCurrency.coin]!.future; .completers[cryptoCurrency.coin]!.future;
return; return;
});
} }
Future<int> fetchTxCount({required String addressScriptHash}) async { Future<int> fetchTxCount({required String addressScriptHash}) async {