Merge pull request #1664 from SatoshiPortal/fulcrum-es-default

update: default electrum server to fulcrum

Author: i5hi

lib/core/storage/database_seeds.dart

@@ -28,9 +28,10 @@ class DatabaseSeeds {
 
   static Future<void> seedDefaultElectrumServers(SqliteDatabase db) async {
     final serversData = [
-      (ApiServiceConstants.bbElectrumUrl, false, false, 0),
+      (ApiServiceConstants.fulcrumElectrumUrl, false, false, 0),
+      (ApiServiceConstants.bbElectrumUrl, false, false, 1),
       (ApiServiceConstants.bbLiquidElectrumUrlPath, false, true, 0),
-      (ApiServiceConstants.publicElectrumUrl, false, false, 1),
+      (ApiServiceConstants.publicElectrumUrl, false, false, 2),
       (ApiServiceConstants.publicLiquidElectrumUrlPath, false, true, 1),
       (ApiServiceConstants.publicElectrumTestUrl, true, false, 0),
       (ApiServiceConstants.publicliquidElectrumTestUrlPath, true, true, 0),

lib/core/storage/migrations/schema_10_to_11.dart

@@ -1,5 +1,6 @@
 import 'package:bb_mobile/core/storage/sqlite_database.dart';
 import 'package:bb_mobile/core/storage/sqlite_database.steps.dart';
+import 'package:bb_mobile/core/utils/constants.dart';
 import 'package:drift/drift.dart';
 
 class Schema10To11 {
@@ -39,5 +40,58 @@ class Schema10To11 {
     await db.managers.settings.update(
       (f) => f(themeMode: const Value('system')),
     );
+
+    final electrumServers = schema11.electrumServers;
+    final fulcrumUrl = ApiServiceConstants.fulcrumElectrumUrl;
+    final fulcrumUrlWithoutProtocol = fulcrumUrl.replaceAll('ssl://', '');
+
+    // Delete any existing custom entries for the fulcrum server
+    await (m.database.delete(electrumServers)..where(
+          (e) =>
+              electrumServers.url.equals(fulcrumUrl) |
+              electrumServers.url.equals(fulcrumUrlWithoutProtocol),
+        ))
+        .go();
+
+    // Get all Bitcoin mainnet servers and update their priority
+    final serversToUpdate =
+        await (m.database.select(electrumServers)..where(
+              (e) =>
+                  electrumServers.isTestnet.equals(0) &
+                  electrumServers.isLiquid.equals(0),
+            ))
+            .get();
+
+    for (final server in serversToUpdate) {
+      final url = server.read('url') as String;
+      final isTestnet = server.read('is_testnet') as bool;
+      final isLiquid = server.read('is_liquid') as bool;
+      final priority = server.read('priority') as int;
+      final isCustom = server.read('is_custom') as bool;
+
+      await m.database
+          .into(electrumServers)
+          .insertOnConflictUpdate(
+            RawValuesInsertable({
+              'url': Constant(url),
+              'is_testnet': Constant(isTestnet),
+              'is_liquid': Constant(isLiquid),
+              'priority': Constant(priority + 1),
+              'is_custom': Constant(isCustom),
+            }),
+          );
+    }
+
+    await m.database
+        .into(electrumServers)
+        .insert(
+          RawValuesInsertable({
+            'url': Constant(fulcrumUrl),
+            'is_testnet': const Constant(false),
+            'is_liquid': const Constant(false),
+            'priority': const Constant(0),
+            'is_custom': const Constant(false),
+          }),
+        );
   }
 }

lib/core/utils/constants.dart

@@ -70,6 +70,7 @@ class ApiServiceConstants {
   static const publicLiquidMempoolTestnetUrl = 'https://liquid.network/testnet';
 
   // Bitcoin Electrum servers
+  static const fulcrumElectrumUrl = 'ssl://fulcrum.bullbitcoin.com:50002';
   static const bbElectrumUrl = 'ssl://wes.bullbitcoin.com:50002';
   static const publicElectrumUrl = 'ssl://blockstream.info:700';
   // BB test currently not operational