Tui update 1 (#911)

* minor low-hanging TUI updates

* rustfmt

* make diff/height output clearer

src/bin/tui/mining.rs

@@ -107,7 +107,6 @@ impl TableViewItem<MiningDeviceColumn> for CuckooMinerDeviceStats {
 #[derive(Copy, Clone, PartialEq, Eq, Hash)]
 enum DiffColumn {
 	BlockNumber,
-	Index,
 	Difficulty,
 	Time,
 	Duration,
@@ -117,7 +116,6 @@ impl DiffColumn {
 	fn _as_str(&self) -> &str {
 		match *self {
 			DiffColumn::BlockNumber => "Block Number",
-			DiffColumn::Index => "Block Index",
 			DiffColumn::Difficulty => "Network Difficulty",
 			DiffColumn::Time => "Block Time",
 			DiffColumn::Duration => "Duration",
@@ -132,7 +130,6 @@ impl TableViewItem<DiffColumn> for DiffBlock {
 
 		match column {
 			DiffColumn::BlockNumber => self.block_number.to_string(),
-			DiffColumn::Index => self.block_index.to_string(),
 			DiffColumn::Difficulty => self.difficulty.to_string(),
 			DiffColumn::Time => format!("{}", datetime).to_string(),
 			DiffColumn::Duration => format!("{}s", self.duration).to_string(),
@@ -145,7 +142,6 @@ impl TableViewItem<DiffColumn> for DiffBlock {
 	{
 		match column {
 			DiffColumn::BlockNumber => Ordering::Equal,
-			DiffColumn::Index => Ordering::Equal,
 			DiffColumn::Difficulty => Ordering::Equal,
 			DiffColumn::Time => Ordering::Equal,
 			DiffColumn::Duration => Ordering::Equal,
@@ -246,16 +242,13 @@ impl TUIStatusListener for TUIMiningView {
 
 		let diff_table_view = TableView::<DiffBlock, DiffColumn>::new()
 			.column(DiffColumn::BlockNumber, "Block Number", |c| {
-				c.width_percent(20)
-			})
-			.column(DiffColumn::Index, "Distance from Head", |c| {
-				c.width_percent(20)
+				c.width_percent(25)
 			})
 			.column(DiffColumn::Difficulty, "Network Difficulty", |c| {
-				c.width_percent(20)
+				c.width_percent(25)
 			})
-			.column(DiffColumn::Time, "Block Time", |c| c.width_percent(20))
-			.column(DiffColumn::Duration, "Duration", |c| c.width_percent(20));
+			.column(DiffColumn::Time, "Block Time", |c| c.width_percent(25))
+			.column(DiffColumn::Duration, "Duration", |c| c.width_percent(25));
 
 		let mining_difficulty_view = LinearLayout::new(Orientation::Vertical)
 			.child(diff_status_view)

src/bin/tui/peers.rs

@@ -20,7 +20,8 @@ use grin::stats::{PeerStats, ServerStats};
 
 use cursive::Cursive;
 use cursive::view::View;
-use cursive::views::{BoxView, Dialog};
+use cursive::views::{BoxView, Dialog, LinearLayout, TextView};
+use cursive::direction::Orientation;
 use cursive::traits::*;
 
 use tui::table::{TableView, TableViewItem};
@@ -53,7 +54,9 @@ impl TableViewItem<PeerColumn> for PeerStats {
 		match column {
 			PeerColumn::Address => self.addr.clone(),
 			PeerColumn::State => self.state.clone(),
-			PeerColumn::TotalDifficulty => self.total_difficulty.to_string(),
+			PeerColumn::TotalDifficulty => {
+				format!("{} D @ {} H", self.total_difficulty, self.height).to_string()
+			}
 			PeerColumn::Direction => self.direction.clone(),
 			PeerColumn::Version => self.version.to_string(),
 		}
@@ -86,20 +89,50 @@ impl TUIStatusListener for TUIPeerView {
 					c.width_percent(20)
 				})
 				.column(PeerColumn::Version, "Version", |c| c.width_percent(20));
-
 		let peer_status_view = BoxView::with_full_screen(
-			Dialog::around(table_view.with_id(TABLE_PEER_STATUS).min_size((50, 20)))
-				.title("Connected Peers"),
+			LinearLayout::new(Orientation::Vertical)
+				.child(
+					LinearLayout::new(Orientation::Horizontal)
+						.child(TextView::new("Total Peers: "))
+						.child(TextView::new("  ").with_id("peers_total")),
+				)
+				.child(
+					LinearLayout::new(Orientation::Horizontal)
+						.child(TextView::new("Longest Chain: "))
+						.child(TextView::new("  ").with_id("longest_work_peer")),
+				)
+				.child(TextView::new("   "))
+				.child(
+					Dialog::around(table_view.with_id(TABLE_PEER_STATUS).min_size((50, 20)))
+						.title("Connected Peers"),
+				),
 		).with_id(VIEW_PEER_SYNC);
 		Box::new(peer_status_view)
 	}
 
 	fn update(c: &mut Cursive, stats: &ServerStats) {
+		let lp = stats
+			.peer_stats
+			.iter()
+			.max_by(|x, y| x.total_difficulty.cmp(&y.total_difficulty));
+		let lp_str = match lp {
+			Some(l) => format!(
+				"{} D @ {} H vs Us: {} D @ {} H",
+				l.total_difficulty, l.height, stats.head.total_difficulty, stats.head.height
+			).to_string(),
+			None => "".to_string(),
+		};
 		let _ = c.call_on_id(
 			TABLE_PEER_STATUS,
 			|t: &mut TableView<PeerStats, PeerColumn>| {
 				t.set_items(stats.peer_stats.clone());
 			},
 		);
+		let _ = c.call_on_id("peers_total", |t: &mut TextView| {
+			t.set_content(stats.peer_stats.len().to_string());
+		});
+		let _ = c.call_on_id("longest_work_peer", |t: &mut TextView| {
+			t.set_content(lp_str);
+		});
 	}
 }

src/bin/tui/status.rs

@@ -47,6 +47,11 @@ impl TUIStatusListener for TUIStatusView {
 						.child(TextView::new("Chain Height: "))
 						.child(TextView::new("  ").with_id("chain_height")),
 				)
+				.child(
+					LinearLayout::new(Orientation::Horizontal)
+						.child(TextView::new("Total Difficulty: "))
+						.child(TextView::new("  ").with_id("basic_total_difficulty")),
+				)
 				.child(
 					LinearLayout::new(Orientation::Horizontal)
 						.child(TextView::new("------------------------")),
@@ -126,6 +131,9 @@ impl TUIStatusListener for TUIStatusView {
 		c.call_on_id("chain_height", |t: &mut TextView| {
 			t.set_content(stats.head.height.to_string());
 		});
+		c.call_on_id("basic_total_difficulty", |t: &mut TextView| {
+			t.set_content(stats.head.total_difficulty.to_string());
+		});
 		c.call_on_id("basic_mining_config_status", |t: &mut TextView| {
 			t.set_content(basic_mining_config_status);
 		});