chore: Drop unused sync code

Author: xdustinface

dash-spv/src/client/config.rs

@@ -78,9 +78,6 @@ pub struct ClientConfig {
     /// Maximum concurrent filter requests (default: 8).
     pub max_concurrent_filter_requests: usize,
 
-    /// Enable flow control for filter requests (default: true).
-    pub enable_filter_flow_control: bool,
-
     /// Delay between filter requests in milliseconds (default: 50).
     pub filter_request_delay_ms: u64,
 
@@ -159,9 +156,6 @@ pub struct ClientConfig {
     /// Maximum concurrent CFHeaders requests for parallel sync (default: 50).
     pub max_concurrent_cfheaders_requests_parallel: usize,
 
-    /// Enable flow control for CFHeaders requests (default: true).
-    pub enable_cfheaders_flow_control: bool,
-
     /// Timeout for CFHeaders requests in seconds (default: 30).
     pub cfheaders_request_timeout_secs: u64,
 
@@ -210,7 +204,6 @@ impl Default for ClientConfig {
             log_level: "info".to_string(),
             user_agent: None,
             max_concurrent_filter_requests: 16,
-            enable_filter_flow_control: true,
             filter_request_delay_ms: 0,
             enable_cfheader_gap_restart: true,
             cfheader_gap_check_interval_secs: 15,
@@ -243,7 +236,6 @@ impl Default for ClientConfig {
             wallet_creation_time: None,
             // CFHeaders flow control defaults
             max_concurrent_cfheaders_requests_parallel: 50,
-            enable_cfheaders_flow_control: true,
             cfheaders_request_timeout_secs: 30,
             max_cfheaders_retries: 3,
             // QRInfo defaults (simplified per plan)
@@ -341,12 +333,6 @@ impl ClientConfig {
         self
     }
 
-    /// Enable or disable filter flow control.
-    pub fn with_filter_flow_control(mut self, enabled: bool) -> Self {
-        self.enable_filter_flow_control = enabled;
-        self
-    }
-
     /// Set delay between filter requests.
     pub fn with_filter_request_delay(mut self, delay_ms: u64) -> Self {
         self.filter_request_delay_ms = delay_ms;

dash-spv/src/client/config_test.rs

@@ -28,7 +28,6 @@ mod tests {
         assert!(config.enable_persistence);
         assert_eq!(config.log_level, "info");
         assert_eq!(config.max_concurrent_filter_requests, 16);
-        assert!(config.enable_filter_flow_control);
         assert_eq!(config.filter_request_delay_ms, 0);
 
         // Mempool defaults
@@ -66,7 +65,6 @@ mod tests {
             .with_connection_timeout(Duration::from_secs(10))
             .with_log_level("debug")
             .with_max_concurrent_filter_requests(32)
-            .with_filter_flow_control(false)
             .with_filter_request_delay(100)
             .with_mempool_tracking(MempoolStrategy::BloomFilter)
             .with_max_mempool_transactions(500)
@@ -80,7 +78,6 @@ mod tests {
         assert_eq!(config.connection_timeout, Duration::from_secs(10));
         assert_eq!(config.log_level, "debug");
         assert_eq!(config.max_concurrent_filter_requests, 32);
-        assert!(!config.enable_filter_flow_control);
         assert_eq!(config.filter_request_delay_ms, 100);
 
         // Mempool settings

dash-spv/src/client/filter_sync.rs

@@ -161,10 +161,13 @@ impl<
             .await
             .map_err(SpvError::Sync)?;
 
-        let (pending_count, active_count, flow_enabled) =
+        let (pending_count, active_count) =
             self.sync_manager.filter_sync().get_flow_control_status();
-        tracing::info!("✅ Filter sync with flow control initiated (flow control enabled: {}, {} requests queued, {} active)", 
-                      flow_enabled, pending_count, active_count);
+        tracing::info!(
+            "✅ Filter sync initiated ({} requests queued, {} active)",
+            pending_count,
+            active_count
+        );
 
         Ok(())
     }

dash-spv/src/client/mod.rs

@@ -7,7 +7,6 @@
 //! - `core.rs` - Core DashSpvClient struct definition and simple accessors
 //! - `lifecycle.rs` - Client lifecycle (new, start, stop, shutdown)
 //! - `events.rs` - Event emission and progress tracking receivers
-//! - `progress.rs` - Sync progress calculation and reporting
 //! - `mempool.rs` - Mempool tracking and coordination
 //! - `queries.rs` - Peer, masternode, and balance queries
 //! - `transactions.rs` - Transaction operations (e.g., broadcast)
@@ -54,7 +53,6 @@ mod transactions;
 // Re-export public types from extracted modules
 pub use block_processor::{BlockProcessingTask, BlockProcessor};
 pub use config::ClientConfig;
-pub use filter_sync::FilterSyncCoordinator;
 pub use message_handler::MessageHandler;
 pub use status_display::StatusDisplay;
 

dash-spv/src/network/tests.rs

@@ -27,11 +27,9 @@ mod peer_network_manager_tests {
             max_peers: 3,
             enable_persistence: false,
             log_level: "info".to_string(),
-            enable_filter_flow_control: true,
             filter_request_delay_ms: 0,
             max_concurrent_filter_requests: 50,
             max_concurrent_cfheaders_requests_parallel: 50,
-            enable_cfheaders_flow_control: true,
             cfheaders_request_timeout_secs: 30,
             max_cfheaders_retries: 3,
             enable_cfheader_gap_restart: true,