Ecosystem/stack_wallet
1
0
Fork 0
mirror of https://github.com/cypherstack/stack_wallet.git synced 2025-01-22 18:44:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

don't add a listener if one already exists

Browse source
This commit is contained in:
sneurlax 2024-02-02 18:44:08 -06:00
parent a3b3314be8
commit 7863b7f209
1 changed files with 13 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
lib/wallets/wallet/wallet_mixin_interfaces/electrumx_interface.dart
View file

@ -35,6 +35,8 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
int? get maximumFeerate => null;
int? latestHeight;
static const _kServerBatchCutoffVersion = [1, 6];
List<int>? _serverVersion;
bool get serverCanBatch {
@ -802,6 +804,16 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
final subscription =
subscribableElectrumXClient.subscribeToBlockHeaders();
// Don't add a listener if one already exists.
if (subscription.hasListeners) {
if (latestHeight != null) {
return latestHeight!;
} else {
// Wait for first response.
return completer.future;
}
}
// Make sure we only complete once.
bool isFirstResponse = true;
@ -813,6 +825,7 @@ mixin ElectrumXInterface<T extends Bip39HDCurrency> on Bip39HDWallet<T> {
response.containsKey('height')) {
final int chainHeight = response['height'] as int;
// print("Current chain height: $chainHeight");
latestHeight = chainHeight;
if (isFirstResponse) {
isFirstResponse = false;