diff --git a/lib/db/sqlite/firo_cache.dart b/lib/db/sqlite/firo_cache.dart
index eac511aaa..6b3c70c8e 100644
--- a/lib/db/sqlite/firo_cache.dart
+++ b/lib/db/sqlite/firo_cache.dart
@@ -9,6 +9,7 @@ import 'package:sqlite3/sqlite3.dart';
 import 'package:uuid/uuid.dart';
 
 import '../../electrumx_rpc/electrumx_client.dart';
+import '../../models/electrumx_response/spark_models.dart';
 import '../../utilities/extensions/extensions.dart';
 import '../../utilities/logger.dart';
 import '../../utilities/stack_file_system.dart';
@@ -42,12 +43,17 @@ abstract class _FiroCache {
       network == CryptoCurrencyNetwork.main
           ? "spark_set_v$_setCacheVersion.sqlite3"
           : "spark_set_v${_setCacheVersion}_${network.name}.sqlite3";
+  static String sparkSetMetaCacheFileName(CryptoCurrencyNetwork network) =>
+      network == CryptoCurrencyNetwork.main
+          ? "spark_set_meta_v$_setCacheVersion.sqlite3"
+          : "spark_set_meta_v${_setCacheVersion}_${network.name}.sqlite3";
   static String sparkUsedTagsCacheFileName(CryptoCurrencyNetwork network) =>
       network == CryptoCurrencyNetwork.main
           ? "spark_tags_v$_tagsCacheVersion.sqlite3"
           : "spark_tags_v${_tagsCacheVersion}_${network.name}.sqlite3";
 
   static final Map<CryptoCurrencyNetwork, Database> _setCacheDB = {};
+  static final Map<CryptoCurrencyNetwork, Database> _setMetaCacheDB = {};
   static final Map<CryptoCurrencyNetwork, Database> _usedTagsCacheDB = {};
   static Database setCacheDB(CryptoCurrencyNetwork network) {
     if (_setCacheDB[network] == null) {
@@ -58,6 +64,15 @@ abstract class _FiroCache {
     return _setCacheDB[network]!;
   }
 
+  static Database setMetaCacheDB(CryptoCurrencyNetwork network) {
+    if (_setMetaCacheDB[network] == null) {
+      throw Exception(
+        "FiroCache.init() must be called before accessing FiroCache.db!",
+      );
+    }
+    return _setMetaCacheDB[network]!;
+  }
+
   static Database usedTagsCacheDB(CryptoCurrencyNetwork network) {
     if (_usedTagsCacheDB[network] == null) {
       throw Exception(
@@ -78,12 +93,18 @@ abstract class _FiroCache {
       final sparkSetCacheFile =
           File("${sqliteDir.path}/${sparkSetCacheFileName(network)}");
 
+      final sparkSetMetaCacheFile =
+          File("${sqliteDir.path}/${sparkSetMetaCacheFileName(network)}");
+
       final sparkUsedTagsCacheFile =
           File("${sqliteDir.path}/${sparkUsedTagsCacheFileName(network)}");
 
       if (!(await sparkSetCacheFile.exists())) {
         await _createSparkSetCacheDb(sparkSetCacheFile.path);
       }
+      if (!(await sparkSetMetaCacheFile.exists())) {
+        await _createSparkSetMetaCacheDb(sparkSetMetaCacheFile.path);
+      }
       if (!(await sparkUsedTagsCacheFile.exists())) {
         await _createSparkUsedTagsCacheDb(sparkUsedTagsCacheFile.path);
       }
@@ -92,6 +113,10 @@ abstract class _FiroCache {
         sparkSetCacheFile.path,
         mode: OpenMode.readWrite,
       );
+      _setMetaCacheDB[network] = sqlite3.open(
+        sparkSetMetaCacheFile.path,
+        mode: OpenMode.readWrite,
+      );
       _usedTagsCacheDB[network] = sqlite3.open(
         sparkUsedTagsCacheFile.path,
         mode: OpenMode.readWrite,
@@ -109,6 +134,12 @@ abstract class _FiroCache {
         VACUUM;
       """,
     );
+    setMetaCacheDB(network).execute(
+      """
+        DELETE FROM PreviousMetaFetchResult;
+        VACUUM;
+      """,
+    );
     usedTagsCacheDB(network).execute(
       """
         DELETE FROM SparkUsedCoinTags;
@@ -159,6 +190,27 @@ abstract class _FiroCache {
     db.dispose();
   }
 
+  static Future<void> _createSparkSetMetaCacheDb(String file) async {
+    final db = sqlite3.open(
+      file,
+      mode: OpenMode.readWriteCreate,
+    );
+
+    db.execute(
+      """
+        CREATE TABLE PreviousMetaFetchResult (
+          id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,
+          coinGroupId INTEGER NOT NULL UNIQUE,
+          blockHash TEXT NOT NULL,
+          setHash TEXT NOT NULL,
+          size INTEGER NOT NULL
+        );
+      """,
+    );
+
+    db.dispose();
+  }
+
   static Future<void> _createSparkUsedTagsCacheDb(String file) async {
     final db = sqlite3.open(
       file,
diff --git a/lib/db/sqlite/firo_cache_coordinator.dart b/lib/db/sqlite/firo_cache_coordinator.dart
index fe720f804..81da6134b 100644
--- a/lib/db/sqlite/firo_cache_coordinator.dart
+++ b/lib/db/sqlite/firo_cache_coordinator.dart
@@ -6,6 +6,8 @@ typedef LTagPair = ({String tag, String txid});
 /// background isolate and [FiroCacheCoordinator] should manage that isolate
 abstract class FiroCacheCoordinator {
   static final Map<CryptoCurrencyNetwork, _FiroCacheWorker> _workers = {};
+  static final Map<CryptoCurrencyNetwork, Mutex> _tagLocks = {};
+  static final Map<CryptoCurrencyNetwork, Mutex> _setLocks = {};
 
   static bool _init = false;
   static Future<void> init() async {
@@ -15,6 +17,8 @@ abstract class FiroCacheCoordinator {
     _init = true;
     await _FiroCache.init();
     for (final network in _FiroCache.networks) {
+      _tagLocks[network] = Mutex();
+      _setLocks[network] = Mutex();
       _workers[network] = await _FiroCacheWorker.spawn(network);
     }
   }
@@ -28,14 +32,26 @@ abstract class FiroCacheCoordinator {
     final setCacheFile = File(
       "${dir.path}/${_FiroCache.sparkSetCacheFileName(network)}",
     );
+    final setMetaCacheFile = File(
+      "${dir.path}/${_FiroCache.sparkSetMetaCacheFileName(network)}",
+    );
     final usedTagsCacheFile = File(
       "${dir.path}/${_FiroCache.sparkUsedTagsCacheFileName(network)}",
     );
-    final int bytes =
-        ((await setCacheFile.exists()) ? await setCacheFile.length() : 0) +
-            ((await usedTagsCacheFile.exists())
-                ? await usedTagsCacheFile.length()
-                : 0);
+
+    final setSize =
+        (await setCacheFile.exists()) ? await setCacheFile.length() : 0;
+    final tagsSize = (await usedTagsCacheFile.exists())
+        ? await usedTagsCacheFile.length()
+        : 0;
+    final setMetaSize =
+        (await setMetaCacheFile.exists()) ? await setMetaCacheFile.length() : 0;
+
+    print("TAG SIZE: $tagsSize");
+    print("SET SIZE: $setSize");
+    print("SET META SIZE: $setMetaSize");
+
+    final int bytes = tagsSize + setSize + setMetaSize;
 
     if (bytes < 1024) {
       return '$bytes B';
@@ -55,43 +71,116 @@ abstract class FiroCacheCoordinator {
     ElectrumXClient client,
     CryptoCurrencyNetwork network,
   ) async {
-    final count = await FiroCacheCoordinator.getUsedCoinTagsCount(network);
-    final unhashedTags = await client.getSparkUnhashedUsedCoinsTagsWithTxHashes(
-      startNumber: count,
-    );
-    if (unhashedTags.isNotEmpty) {
-      await _workers[network]!.runTask(
-        FCTask(
-          func: FCFuncName._updateSparkUsedTagsWith,
-          data: unhashedTags,
-        ),
+    await _tagLocks[network]!.protect(() async {
+      final count = await FiroCacheCoordinator.getUsedCoinTagsCount(network);
+      final unhashedTags =
+          await client.getSparkUnhashedUsedCoinsTagsWithTxHashes(
+        startNumber: count,
       );
-    }
+      if (unhashedTags.isNotEmpty) {
+        await _workers[network]!.runTask(
+          FCTask(
+            func: FCFuncName._updateSparkUsedTagsWith,
+            data: unhashedTags,
+          ),
+        );
+      }
+    });
   }
 
   static Future<void> runFetchAndUpdateSparkAnonSetCacheForGroupId(
     int groupId,
     ElectrumXClient client,
     CryptoCurrencyNetwork network,
+    void Function(int countFetched, int totalCount)? progressUpdated,
   ) async {
-    final blockhashResult =
-        await FiroCacheCoordinator.getLatestSetInfoForGroupId(
-      groupId,
-      network,
-    );
-    final blockHash = blockhashResult?.blockHash ?? "";
+    await _setLocks[network]!.protect(() async {
+      Map<String, dynamic> json;
+      SparkAnonymitySetMeta? meta;
 
-    final json = await client.getSparkAnonymitySet(
-      coinGroupId: groupId.toString(),
-      startBlockHash: blockHash.toHexReversedFromBase64,
-    );
+      if (progressUpdated == null) {
+        // Legacy
+        final blockhashResult =
+            await FiroCacheCoordinator.getLatestSetInfoForGroupId(
+          groupId,
+          network,
+        );
+        final blockHash = blockhashResult?.blockHash ?? "";
 
-    await _workers[network]!.runTask(
-      FCTask(
-        func: FCFuncName._updateSparkAnonSetCoinsWith,
-        data: (groupId, json),
-      ),
-    );
+        json = await client.getSparkAnonymitySet(
+          coinGroupId: groupId.toString(),
+          startBlockHash: blockHash.toHexReversedFromBase64,
+        );
+      } else {
+        const sectorSize = 100; // TODO adjust this?
+        final prevMetaSize =
+            await FiroCacheCoordinator.getSparkMetaSetSizeForGroupId(
+          groupId,
+          network,
+        );
+        final prevSize = prevMetaSize ?? 0;
+
+        meta = await client.getSparkAnonymitySetMeta(
+          coinGroupId: groupId,
+        );
+
+        progressUpdated.call(prevSize, meta.size);
+
+        /// Returns blockHash (last block hash),
+        /// setHash (hash of current set)
+        /// and coins (the list of pairs serialized coin and tx hash)
+
+        final fullSectorCount = (meta.size - prevSize) ~/ sectorSize;
+        final remainder = (meta.size - prevSize) % sectorSize;
+
+        final List<dynamic> coins = [];
+
+        for (int i = 0; i < fullSectorCount; i++) {
+          final start = (i * sectorSize) + prevSize;
+          final data = await client.getSparkAnonymitySetBySector(
+            coinGroupId: groupId,
+            latestBlock: meta.blockHash,
+            startIndex: start,
+            endIndex: start + sectorSize,
+          );
+
+          coins.addAll(data);
+        }
+
+        if (remainder > 0) {
+          final data = await client.getSparkAnonymitySetBySector(
+            coinGroupId: groupId,
+            latestBlock: meta.blockHash,
+            startIndex: meta.size - remainder,
+            endIndex: meta.size,
+          );
+
+          coins.addAll(data);
+        }
+
+        json = {
+          "blockHash": meta.blockHash,
+          "setHash": meta.setHash,
+          "coins": coins,
+        };
+      }
+
+      await _workers[network]!.runTask(
+        FCTask(
+          func: FCFuncName._updateSparkAnonSetCoinsWith,
+          data: (groupId, json),
+        ),
+      );
+
+      if (meta != null) {
+        await _workers[network]!.runTask(
+          FCTask(
+            func: FCFuncName._updateSparkAnonSetMetaWith,
+            data: meta,
+          ),
+        );
+      }
+    });
   }
 
   // ===========================================================================
@@ -228,4 +317,19 @@ abstract class FiroCacheCoordinator {
       db: _FiroCache.setCacheDB(network),
     );
   }
+
+  static Future<int?> getSparkMetaSetSizeForGroupId(
+    int groupId,
+    CryptoCurrencyNetwork network,
+  ) async {
+    final result = await _Reader._getSizeForGroupId(
+      groupId,
+      db: _FiroCache.setMetaCacheDB(network),
+    );
+    if (result.isEmpty) {
+      return null;
+    }
+
+    return result.first["size"] as int;
+  }
 }
diff --git a/lib/db/sqlite/firo_cache_reader.dart b/lib/db/sqlite/firo_cache_reader.dart
index 33763ba3e..11e6382f8 100644
--- a/lib/db/sqlite/firo_cache_reader.dart
+++ b/lib/db/sqlite/firo_cache_reader.dart
@@ -56,6 +56,21 @@ abstract class _Reader {
     return db.select("$query;").first["setExists"] == 1;
   }
 
+  // ===========================================================================
+  // =============== Spark anonymity set meta queries ==========================
+  static Future<ResultSet> _getSizeForGroupId(
+    int groupId, {
+    required Database db,
+  }) async {
+    final query = """
+      SELECT ss.size
+      FROM PreviousMetaFetchResult ss
+      WHERE ss.groupId = $groupId;
+    """;
+
+    return db.select("$query;");
+  }
+
   // ===========================================================================
   // =============== Spark used coin tags queries ==============================
 
diff --git a/lib/db/sqlite/firo_cache_worker.dart b/lib/db/sqlite/firo_cache_worker.dart
index 71e407992..a417cdb07 100644
--- a/lib/db/sqlite/firo_cache_worker.dart
+++ b/lib/db/sqlite/firo_cache_worker.dart
@@ -3,6 +3,7 @@ part of 'firo_cache.dart';
 enum FCFuncName {
   _updateSparkAnonSetCoinsWith,
   _updateSparkUsedTagsWith,
+  _updateSparkAnonSetMetaWith,
 }
 
 class FCTask {
@@ -29,6 +30,8 @@ class _FiroCacheWorker {
     final dir = await StackFileSystem.applicationFiroCacheSQLiteDirectory();
     final setCacheFilePath =
         "${dir.path}/${_FiroCache.sparkSetCacheFileName(network)}";
+    final setMetaCacheFilePath =
+        "${dir.path}/${_FiroCache.sparkSetMetaCacheFileName(network)}";
     final usedTagsCacheFilePath =
         "${dir.path}/${_FiroCache.sparkUsedTagsCacheFileName(network)}";
 
@@ -48,7 +51,12 @@ class _FiroCacheWorker {
     try {
       await Isolate.spawn(
         _startWorkerIsolate,
-        (initPort.sendPort, setCacheFilePath, usedTagsCacheFilePath),
+        (
+          initPort.sendPort,
+          setCacheFilePath,
+          setMetaCacheFilePath,
+          usedTagsCacheFilePath,
+        ),
       );
     } catch (_) {
       initPort.close();
@@ -79,6 +87,7 @@ class _FiroCacheWorker {
     ReceivePort receivePort,
     SendPort sendPort,
     Database setCacheDb,
+    Database setMetaCacheDb,
     Database usedTagsCacheDb,
     Mutex mutex,
   ) {
@@ -104,6 +113,13 @@ class _FiroCacheWorker {
                 task.data as List<List<dynamic>>,
               );
               break;
+
+            case FCFuncName._updateSparkAnonSetMetaWith:
+              result = _updateSparkAnonSetMetaWith(
+                setMetaCacheDb,
+                task.data as SparkAnonymitySetMeta,
+              );
+              break;
           }
 
           if (result.success) {
@@ -118,7 +134,7 @@ class _FiroCacheWorker {
     });
   }
 
-  static void _startWorkerIsolate((SendPort, String, String) args) {
+  static void _startWorkerIsolate((SendPort, String, String, String) args) {
     final receivePort = ReceivePort();
     args.$1.send(receivePort.sendPort);
     final mutex = Mutex();
@@ -126,14 +142,19 @@ class _FiroCacheWorker {
       args.$2,
       mode: OpenMode.readWrite,
     );
-    final usedTagsCacheDb = sqlite3.open(
+    final setMetaCacheDb = sqlite3.open(
       args.$3,
       mode: OpenMode.readWrite,
     );
+    final usedTagsCacheDb = sqlite3.open(
+      args.$4,
+      mode: OpenMode.readWrite,
+    );
     _handleCommandsToIsolate(
       receivePort,
       args.$1,
       setCacheDb,
+      setMetaCacheDb,
       usedTagsCacheDb,
       mutex,
     );
diff --git a/lib/db/sqlite/firo_cache_writer.dart b/lib/db/sqlite/firo_cache_writer.dart
index 99d318444..36b71369b 100644
--- a/lib/db/sqlite/firo_cache_writer.dart
+++ b/lib/db/sqlite/firo_cache_writer.dart
@@ -48,6 +48,31 @@ FCResult _updateSparkUsedTagsWith(
   }
 }
 
+// ===========================================================================
+// ================== write to spark anon set Meta cache ==========================
+FCResult _updateSparkAnonSetMetaWith(
+  Database db,
+  SparkAnonymitySetMeta meta,
+) {
+  db.execute("BEGIN;");
+  try {
+    db.execute(
+      """
+        INSERT OR REPLACE INTO PreviousMetaFetchResult (coinGroupId, blockHash, setHash, size)
+        VALUES (?, ?, ?, ?);
+      """,
+      [meta.coinGroupId, meta.blockHash, meta.setHash, meta.size],
+    );
+
+    db.execute("COMMIT;");
+
+    return FCResult(success: true);
+  } catch (e) {
+    db.execute("ROLLBACK;");
+    return FCResult(success: false, error: e);
+  }
+}
+
 // ===========================================================================
 // ================== write to spark anon set cache ==========================
 
diff --git a/lib/electrumx_rpc/electrumx_client.dart b/lib/electrumx_rpc/electrumx_client.dart
index 39e27ee81..f8196388a 100644
--- a/lib/electrumx_rpc/electrumx_client.dart
+++ b/lib/electrumx_rpc/electrumx_client.dart
@@ -21,6 +21,7 @@ import 'package:mutex/mutex.dart';
 import 'package:stream_channel/stream_channel.dart';
 
 import '../exceptions/electrumx/no_such_transaction.dart';
+import '../models/electrumx_response/spark_models.dart';
 import '../services/event_bus/events/global/tor_connection_status_changed_event.dart';
 import '../services/event_bus/events/global/tor_status_changed_event.dart';
 import '../services/event_bus/global_event_bus.dart';
@@ -34,13 +35,6 @@ import '../wallets/crypto_currency/crypto_currency.dart';
 import '../wallets/crypto_currency/interfaces/electrumx_currency_interface.dart';
 import 'client_manager.dart';
 
-typedef SparkMempoolData = ({
-  String txid,
-  List<String> serialContext,
-  List<String> lTags,
-  List<String> coins,
-});
-
 class WifiOnlyException implements Exception {}
 
 class TorOnlyException implements Exception {}
@@ -1037,29 +1031,30 @@ class ElectrumXClient {
   ///       "b476ed2b374bb081ea51d111f68f0136252521214e213d119b8dc67b92f5a390",
   ///   ]
   /// }
-  Future<List<Map<String, dynamic>>> getSparkMintMetaData({
-    String? requestID,
-    required List<String> sparkCoinHashes,
-  }) async {
-    try {
-      Logging.instance.log(
-        "attempting to fetch spark.getsparkmintmetadata...",
-        level: LogLevel.Info,
-      );
-      await checkElectrumAdapter();
-      final List<dynamic> response =
-          await (getElectrumAdapter() as FiroElectrumClient)
-              .getSparkMintMetaData(sparkCoinHashes: sparkCoinHashes);
-      Logging.instance.log(
-        "Fetching spark.getsparkmintmetadata finished",
-        level: LogLevel.Info,
-      );
-      return List<Map<String, dynamic>>.from(response);
-    } catch (e) {
-      Logging.instance.log(e, level: LogLevel.Error);
-      rethrow;
-    }
-  }
+  /// NOT USED?
+  // Future<List<Map<String, dynamic>>> getSparkMintMetaData({
+  //   String? requestID,
+  //   required List<String> sparkCoinHashes,
+  // }) async {
+  //   try {
+  //     Logging.instance.log(
+  //       "attempting to fetch spark.getsparkmintmetadata...",
+  //       level: LogLevel.Info,
+  //     );
+  //     await checkElectrumAdapter();
+  //     final List<dynamic> response =
+  //         await (getElectrumAdapter() as FiroElectrumClient)
+  //             .getSparkMintMetaData(sparkCoinHashes: sparkCoinHashes);
+  //     Logging.instance.log(
+  //       "Fetching spark.getsparkmintmetadata finished",
+  //       level: LogLevel.Info,
+  //     );
+  //     return List<Map<String, dynamic>>.from(response);
+  //   } catch (e) {
+  //     Logging.instance.log(e, level: LogLevel.Error);
+  //     rethrow;
+  //   }
+  // }
 
   /// Returns the latest Spark set id
   ///
@@ -1135,7 +1130,7 @@ class ElectrumXClient {
       final List<SparkMempoolData> result = [];
       for (final entry in map.entries) {
         result.add(
-          (
+          SparkMempoolData(
             txid: entry.key,
             serialContext:
                 List<String>.from(entry.value["serial_context"] as List),
@@ -1191,6 +1186,94 @@ class ElectrumXClient {
       rethrow;
     }
   }
+  // ======== New Paginated Endpoints ==========================================
+
+  Future<SparkAnonymitySetMeta> getSparkAnonymitySetMeta({
+    String? requestID,
+    required int coinGroupId,
+  }) async {
+    try {
+      const command =
+          "spark.getsparkanonyumitysetmeta"; // TODO verify this will be correct
+      final start = DateTime.now();
+      final response = await request(
+        requestID: requestID,
+        command: command,
+        args: [
+          "$coinGroupId",
+        ],
+      );
+
+      final map = Map<String, dynamic>.from(response as Map);
+
+      final result = SparkAnonymitySetMeta(
+        coinGroupId: coinGroupId,
+        blockHash: map["blockHash"] as String,
+        setHash: map["setHash"] as String,
+        size: map["size"] as int,
+      );
+
+      Logging.instance.log(
+        "Finished ElectrumXClient.getSparkAnonymitySetMeta("
+        "requestID=$requestID, "
+        "coinGroupId=$coinGroupId"
+        "). Set meta=$result, "
+        "Duration=${DateTime.now().difference(start)}",
+        level: LogLevel.Debug,
+      );
+
+      return result;
+    } catch (e) {
+      Logging.instance.log(e, level: LogLevel.Error);
+      rethrow;
+    }
+  }
+
+  Future<List<dynamic>> getSparkAnonymitySetBySector({
+    String? requestID,
+    required int coinGroupId,
+    required String latestBlock,
+    required int startIndex, // inclusive
+    required int endIndex, // exclusive
+  }) async {
+    try {
+      const command =
+          "spark.getsparkanonyumitysetsector"; // TODO verify this will be correct
+      final start = DateTime.now();
+      final response = await request(
+        requestID: requestID,
+        command: command,
+        args: [
+          "$coinGroupId",
+          latestBlock,
+          "$startIndex",
+          "$endIndex",
+        ],
+      );
+
+      final map = Map<String, dynamic>.from(response as Map);
+
+      final result = map["coins"] as List;
+
+      Logging.instance.log(
+        "Finished ElectrumXClient.getSparkAnonymitySetBySector("
+        "requestID=$requestID, "
+        "coinGroupId=$coinGroupId, "
+        "latestBlock=$latestBlock, "
+        "startIndex=$startIndex, "
+        "endIndex=$endIndex"
+        "). # of coins=${result.length}, "
+        "Duration=${DateTime.now().difference(start)}",
+        level: LogLevel.Debug,
+      );
+
+      return result;
+    } catch (e) {
+      Logging.instance.log(e, level: LogLevel.Error);
+      rethrow;
+    }
+  }
+
   // ===========================================================================
 
   Future<bool> isMasterNodeCollateral({
diff --git a/lib/models/electrumx_response/spark_models.dart b/lib/models/electrumx_response/spark_models.dart
new file mode 100644
index 000000000..499f20cf6
--- /dev/null
+++ b/lib/models/electrumx_response/spark_models.dart
@@ -0,0 +1,47 @@
+class SparkMempoolData {
+  final String txid;
+  final List<String> serialContext;
+  final List<String> lTags;
+  final List<String> coins;
+
+  SparkMempoolData({
+    required this.txid,
+    required this.serialContext,
+    required this.lTags,
+    required this.coins,
+  });
+
+  @override
+  String toString() {
+    return "SparkMempoolData{"
+        "txid: $txid, "
+        "serialContext: $serialContext, "
+        "lTags: $lTags, "
+        "coins: $coins"
+        "}";
+  }
+}
+
+class SparkAnonymitySetMeta {
+  final int coinGroupId;
+  final String blockHash;
+  final String setHash;
+  final int size;
+
+  SparkAnonymitySetMeta({
+    required this.coinGroupId,
+    required this.blockHash,
+    required this.setHash,
+    required this.size,
+  });
+
+  @override
+  String toString() {
+    return "SparkAnonymitySetMeta{"
+        "coinGroupId: $coinGroupId, "
+        "blockHash: $blockHash, "
+        "setHash: $setHash, "
+        "size: $size"
+        "}";
+  }
+}
diff --git a/lib/wallets/wallet/impl/firo_wallet.dart b/lib/wallets/wallet/impl/firo_wallet.dart
index 1ff9999fe..d4faabef9 100644
--- a/lib/wallets/wallet/impl/firo_wallet.dart
+++ b/lib/wallets/wallet/impl/firo_wallet.dart
@@ -725,6 +725,7 @@ class FiroWallet<T extends ElectrumXCurrencyInterface> extends Bip39HDWallet<T>
               i,
               electrumXClient,
               cryptoCurrency.network,
+              null,
             ),
           );
         }
diff --git a/lib/wallets/wallet/wallet.dart b/lib/wallets/wallet/wallet.dart
index bb2d2df56..6e5a9c08f 100644
--- a/lib/wallets/wallet/wallet.dart
+++ b/lib/wallets/wallet/wallet.dart
@@ -670,7 +670,7 @@ abstract class Wallet<T extends CryptoCurrency> {
       GlobalEventBus.instance.fire(RefreshPercentChangedEvent(0.3, walletId));
       if (this is SparkInterface && !viewOnly) {
         // this should be called before updateTransactions()
-        await (this as SparkInterface).refreshSparkData();
+        await (this as SparkInterface).refreshSparkData(null);
       }
       _checkAlive();
 
diff --git a/lib/wallets/wallet/wallet_mixin_interfaces/spark_interface.dart b/lib/wallets/wallet/wallet_mixin_interfaces/spark_interface.dart
index 977a95124..8460ce319 100644
--- a/lib/wallets/wallet/wallet_mixin_interfaces/spark_interface.dart
+++ b/lib/wallets/wallet/wallet_mixin_interfaces/spark_interface.dart
@@ -795,7 +795,9 @@ mixin SparkInterface<T extends ElectrumXCurrencyInterface>
     }
   }
 
-  Future<void> refreshSparkData() async {
+  Future<void> refreshSparkData(
+    void Function(int countFetched, int totalCount)? progressUpdated,
+  ) async {
     final start = DateTime.now();
     try {
       // start by checking if any previous sets are missing from db and add the
@@ -823,6 +825,7 @@ mixin SparkInterface<T extends ElectrumXCurrencyInterface>
           e,
           electrumXClient,
           cryptoCurrency.network,
+          null,
         ),
       );
 
@@ -1086,7 +1089,7 @@ mixin SparkInterface<T extends ElectrumXCurrencyInterface>
     }
 
     try {
-      await refreshSparkData();
+      await refreshSparkData(null);
     } catch (e, s) {
       Logging.instance.log(
         "$runtimeType $walletId ${info.name}: $e\n$s",