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Fix Bitcoin transactions not showing (#978)

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* handle multiple responses coming in a single event

* Add timeout for getting transaction info, to allow other transactions to be returned in case of any failure or network issue

* Handle other cases of receiving multiple messages in the same response
This commit is contained in:
Omar Hatem 2023-07-13 21:46:55 +03:00 committed by GitHub
parent d7fa9991e1
commit bc432b1042
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 51 additions and 37 deletions
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88
cw_bitcoin/lib/electrum.dart
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@ -66,54 +66,68 @@ class ElectrumClient {
socket!.listen((Uint8List event) {
try {
final msg = utf8.decode(event.toList());
final response =
json.decode(msg) as Map<String, dynamic>;
_handleResponse(response);
} on FormatException catch (e) {
final msg = e.message.toLowerCase();
if (e.source is String) {
unterminatedString += e.source as String;
}
if (msg.contains("not a subtype of type")) {
unterminatedString += e.source as String;
return;
}
if (isJSONStringCorrect(unterminatedString)) {
final response =
json.decode(unterminatedString) as Map<String, dynamic>;
_handleResponse(response);
unterminatedString = '';
}
} on TypeError catch (e) {
if (!e.toString().contains('Map<String, Object>') && !e.toString().contains('Map<String, dynamic>')) {
return;
}
final source = utf8.decode(event.toList());
unterminatedString += source;
if (isJSONStringCorrect(unterminatedString)) {
final response =
json.decode(unterminatedString) as Map<String, dynamic>;
_handleResponse(response);
// unterminatedString = null;
unterminatedString = '';
final messagesList = msg.split("\n");
for (var message in messagesList) {
if (message.isEmpty) {
continue;
}
_parseResponse(message);
}
} catch (e) {
print(e.toString());
}
}, onError: (Object error) {
print(error.toString());
unterminatedString = '';
_setIsConnected(false);
}, onDone: () {
unterminatedString = '';
_setIsConnected(false);
});
keepAlive();
}
void _parseResponse(String message) {
try {
final response = json.decode(message) as Map<String, dynamic>;
_handleResponse(response);
} on FormatException catch (e) {
final msg = e.message.toLowerCase();
if (e.source is String) {
unterminatedString += e.source as String;
}
if (msg.contains("not a subtype of type")) {
unterminatedString += e.source as String;
return;
}
if (isJSONStringCorrect(unterminatedString)) {
final response =
json.decode(unterminatedString) as Map<String, dynamic>;
_handleResponse(response);
unterminatedString = '';
}
} on TypeError catch (e) {
if (!e.toString().contains('Map<String, Object>') && !e.toString().contains('Map<String, dynamic>')) {
return;
}
unterminatedString += message;
if (isJSONStringCorrect(unterminatedString)) {
final response =
json.decode(unterminatedString) as Map<String, dynamic>;
_handleResponse(response);
// unterminatedString = null;
unterminatedString = '';
}
} catch (e) {
print(e.toString());
}
}
void keepAlive() {
_aliveTimer?.cancel();
_aliveTimer = Timer.periodic(aliveTimerDuration, (_) async => ping());
@ -217,7 +231,7 @@ class ElectrumClient {
Future<Map<String, dynamic>> getTransactionRaw(
{required String hash}) async =>
call(method: 'blockchain.transaction.get', params: [hash, true])
callWithTimeout(method: 'blockchain.transaction.get', params: [hash, true], timeout: 10000)
.then((dynamic result) {
if (result is Map<String, dynamic>) {
return result;
@ -228,7 +242,7 @@ class ElectrumClient {
Future<String> getTransactionHex(
{required String hash}) async =>
call(method: 'blockchain.transaction.get', params: [hash, false])
callWithTimeout(method: 'blockchain.transaction.get', params: [hash, false], timeout: 10000)
.then((dynamic result) {
if (result is String) {
return result;