Mining tui updates (#3584)

* add column ordering, set mining workers table to sort the connected workers to the top by default

* add column ordering, set mining workers table to sort the connected workers to the top by default

* Mining TUI fixes and updates

servers/src/common/stats.rs

@@ -130,8 +130,12 @@ pub struct StratumStats {
 	pub network_difficulty: u64,
 	/// cuckoo size of last share submitted
 	pub edge_bits: u16,
+	/// Number of blocks found by all workers
+	pub blocks_found: u16,
 	/// current network Hashrate (for edge_bits)
 	pub network_hashrate: f64,
+	/// The minimum acceptable share difficulty to request from miners
+	pub minimum_share_difficulty: u64,
 	/// Individual worker status
 	pub worker_stats: Vec<WorkerStats>,
 }
@@ -271,8 +275,10 @@ impl Default for StratumStats {
 			num_workers: 0,
 			block_height: 0,
 			network_difficulty: 0,
-			edge_bits: 0,
+			edge_bits: 32,
+			blocks_found: 0,
 			network_hashrate: 0.0,
+			minimum_share_difficulty: 1,
 			worker_stats: Vec::new(),
 		}
 	}

servers/src/mining/stratumserver.rs

@@ -714,7 +714,7 @@ impl WorkersList {
 		let mut worker_stats = WorkerStats::default();
 		worker_stats.is_connected = true;
 		worker_stats.id = worker_id.to_string();
-		worker_stats.pow_difficulty = 1; // XXX TODO
+		worker_stats.pow_difficulty = stratum_stats.minimum_share_difficulty;
 		stratum_stats.worker_stats.push(worker_stats);
 		stratum_stats.num_workers = workers_list.len();
 		worker_id
@@ -885,6 +885,7 @@ impl StratumServer {
 			let mut stratum_stats = self.stratum_stats.write();
 			stratum_stats.is_running = true;
 			stratum_stats.edge_bits = (global::min_edge_bits() + 1) as u16;
+			stratum_stats.minimum_share_difficulty = self.config.minimum_share_difficulty;
 		}
 
 		warn!(