Move bitcoin and monero parts into self modules.

cw_core/lib/sync_status.dart

@@ -0,0 +1,54 @@
+abstract class SyncStatus {
+  const SyncStatus();
+  double progress();
+}
+
+class SyncingSyncStatus extends SyncStatus {
+  SyncingSyncStatus(this.blocksLeft, this.ptc);
+
+  final double ptc;
+  final int blocksLeft;
+
+  @override
+  double progress() => ptc;
+
+  @override
+  String toString() => '$blocksLeft';
+}
+
+class SyncedSyncStatus extends SyncStatus {
+  @override
+  double progress() => 1.0;
+}
+
+class NotConnectedSyncStatus extends SyncStatus {
+  const NotConnectedSyncStatus();
+
+  @override
+  double progress() => 0.0;
+}
+
+class StartingSyncStatus extends SyncStatus {
+  @override
+  double progress() => 0.0;
+}
+
+class FailedSyncStatus extends SyncStatus {
+  @override
+  double progress() => 1.0;
+}
+
+class ConnectingSyncStatus extends SyncStatus {
+  @override
+  double progress() => 0.0;
+}
+
+class ConnectedSyncStatus extends SyncStatus {
+  @override
+  double progress() => 0.0;
+}
+
+class LostConnectionSyncStatus extends SyncStatus {
+  @override
+  double progress() => 1.0;
+}