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add finalizer to cancel stream subscription when all references to an instance of ElectrumX becomes inaccessible

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julian 2023-09-07 12:27:19 -06:00
parent 9c648affe8
commit 67beaf21cd
1 changed files with 5 additions and 0 deletions
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5
lib/electrumx_rpc/electrumx.dart
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@ -77,6 +77,11 @@ class ElectrumX {
final Duration connectionTimeoutForSpecialCaseJsonRPCClients; final Duration connectionTimeoutForSpecialCaseJsonRPCClients;
// add finalizer to cancel stream subscription when all references to an
// instance of ElectrumX becomes inaccessible
static final Finalizer<ElectrumX> _finalizer = Finalizer(
(p0) => p0._torStatusListener?.cancel(),
);
StreamSubscription<TorStatusChangedEvent>? _torStatusListener; StreamSubscription<TorStatusChangedEvent>? _torStatusListener;
ElectrumX({ ElectrumX({