add tx pool kernel counts to tui status page (#3111)

* add tx pool kernel counts to tui status page

* fix formatting on tui

servers/src/common/stats.rs

@@ -85,8 +85,12 @@ pub struct ChainStats {
 pub struct TxStats {
 	/// Number of transactions in the transaction pool
 	pub tx_pool_size: usize,
+	/// Number of transaction kernels in the transaction pool
+	pub tx_pool_kernels: usize,
 	/// Number of transactions in the stem pool
 	pub stem_pool_size: usize,
+	/// Number of transaction kernels in the stem pool
+	pub stem_pool_kernels: usize,
 }
 /// Struct to return relevant information about stratum workers
 #[derive(Clone, Serialize, Debug)]

servers/src/grin/server.rs

@@ -480,19 +480,24 @@ impl Server {
 			.map(|p| PeerStats::from_peer(&p))
 			.collect();
 
-		let (tx_pool_size, stem_pool_size) = {
-			let tx_pool_lock = self.tx_pool.try_read();
-			match tx_pool_lock {
-				Some(l) => (l.txpool.entries.len(), l.stempool.entries.len()),
-				None => (0, 0),
+		let tx_stats = {
+			let pool = self.tx_pool.try_read();
+			match pool {
+				Some(pool) => TxStats {
+					tx_pool_size: pool.txpool.size(),
+					tx_pool_kernels: pool.txpool.kernel_count(),
+					stem_pool_size: pool.stempool.size(),
+					stem_pool_kernels: pool.stempool.kernel_count(),
+				},
+				None => TxStats {
+					tx_pool_size: 0,
+					tx_pool_kernels: 0,
+					stem_pool_size: 0,
+					stem_pool_kernels: 0,
+				},
 			}
 		};
 
-		let tx_stats = TxStats {
-			tx_pool_size,
-			stem_pool_size,
-		};
-
 		let head = self.chain.head_header()?;
 		let head_stats = ChainStats {
 			latest_timestamp: head.timestamp,