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fetch server cached anonymity sets for huge increase in firo restore speed

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This commit is contained in:
julian 2022-09-08 14:02:07 -06:00
parent f92209c3a5
commit 1e89f4e58b
2 changed files with 24 additions and 11 deletions
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15
lib/electrumx_rpc/cached_electrumx.dart
View file

@ -1,5 +1,6 @@
import 'package:stackwallet/electrumx_rpc/electrumx.dart';
import 'package:stackwallet/hive/db.dart';
import 'package:stackwallet/services/coins/firo/firo_wallet.dart';
import 'package:stackwallet/utilities/enums/coin_enum.dart';
import 'package:stackwallet/utilities/logger.dart';
import 'package:stackwallet/utilities/prefs.dart';
@ -59,6 +60,20 @@ class CachedElectrumX {
"setHash": "",
"coins": <dynamic>[],
};
// try up to 3 times
for (int i = 0; i < 3; i++) {
final result = await getInitialAnonymitySetCache(groupId);
if (result != null) {
set["setHash"] = result["setHash"];
set["blockHash"] = result["blockHash"];
set["coins"] = result["coins"];
Logging.instance.log(
"Populated initial anon set cache for group $groupId",
level: LogLevel.Info);
break;
}
}
} else {
set = Map<String, dynamic>.from(cachedSet);
}

20
lib/services/coins/firo/firo_wallet.dart
View file

@ -731,8 +731,10 @@ Future<void> _setTestnetWrapper(bool isTestnet) async {
// setTestnet(isTestnet);
}
Future<dynamic> getAnonymity(int groupID) async {
Logging.instance.log("getAnonymity", level: LogLevel.Info);
Future<Map<String, dynamic>?> getInitialAnonymitySetCache(
String groupID,
) async {
Logging.instance.log("getInitialAnonymitySetCache", level: LogLevel.Info);
final Client client = Client();
try {
final uri = Uri.parse("$kStackCommunityNodesEndpoint/getAnonymity");
@ -743,26 +745,22 @@ Future<dynamic> getAnonymity(int groupID) async {
body: jsonEncode({
"jsonrpc": "2.0",
"id": "0",
'aset': groupID.toString(),
'aset': groupID,
}),
);
// TODO: should the following be removed for security reasons in production?
Logging.instance
.log(anonSetResult.statusCode.toString(), level: LogLevel.Info);
Logging.instance.log(anonSetResult.body.toString(), level: LogLevel.Info);
final response = jsonDecode(anonSetResult.body.toString());
if (response['status'] == 'success') {
final anonResponse = jsonDecode(response['result'] as String);
Logging.instance.log(anonResponse, level: LogLevel.Info);
return response;
final setData = Map<String, dynamic>.from(anonResponse["result"] as Map);
return setData;
} else {
return false;
return null;
}
} catch (e, s) {
Logging.instance.log("$e $s", level: LogLevel.Error);
return false;
return null;
}
}