grim/src/gui/views/network/metrics.rs

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// Copyright 2023 The Grim Developers
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use egui::{RichText, Rounding, ScrollArea, vec2};
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use grin_servers::{DiffBlock, ServerStats};
use crate::gui::Colors;
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use crate::gui::icons::{AT, COINS, CUBE_TRANSPARENT, HASH, HOURGLASS_LOW, HOURGLASS_MEDIUM, TIMER};
use crate::gui::platform::PlatformCallbacks;
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use crate::gui::views::{NetworkContent, Root, View};
use crate::gui::views::network::types::{NetworkTab, NetworkTabType};
use crate::node::Node;
/// Chain metrics tab content.
#[derive(Default)]
pub struct NetworkMetrics;
const BLOCK_REWARD: f64 = 60.0;
// 1 year is calculated as 365 days and 6 hours (31557600).
const YEARLY_SUPPLY: f64 = ((60 * 60 * 24 * 365) + 6 * 60 * 60) as f64;
impl NetworkTab for NetworkMetrics {
fn get_type(&self) -> NetworkTabType {
NetworkTabType::Metrics
}
fn ui(&mut self, ui: &mut egui::Ui, _: &mut eframe::Frame, _: &dyn PlatformCallbacks) {
// Show an error content when available.
let node_err = Node::get_error();
if node_err.is_some() {
NetworkContent::node_error_ui(ui, node_err.unwrap());
return;
}
// Show message to enable node when it's not running.
if !Node::is_running() {
NetworkContent::disabled_node_ui(ui);
return;
}
// Show loading spinner when node is stopping.
if Node::is_stopping() {
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NetworkContent::loading_ui(ui, None);
return;
}
// Show message when metrics are not available.
let server_stats = Node::get_stats();
if server_stats.is_none() || Node::is_restarting()
|| server_stats.as_ref().unwrap().diff_stats.height == 0 {
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NetworkContent::loading_ui(ui, Some(t!("network_metrics.loading")));
return;
}
ui.add_space(1.0);
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ui.vertical_centered(|ui| {
View::max_width_ui(ui, Root::SIDE_PANEL_WIDTH * 1.3, |ui| {
let stats = server_stats.as_ref().unwrap();
// Show emission and difficulty info.
info_ui(ui, stats);
// Show difficulty adjustment window blocks.
blocks_ui(ui, stats);
});
});
}
}
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const BLOCK_ITEM_HEIGHT: f32 = 77.0;
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/// Draw emission and difficulty info.
fn info_ui(ui: &mut egui::Ui, stats: &ServerStats) {
// Show emission info.
View::sub_title(ui, format!("{} {}", COINS, t!("network_metrics.emission")));
ui.columns(3, |columns| {
let supply = stats.header_stats.height as f64 * BLOCK_REWARD;
let rate = (YEARLY_SUPPLY * 100.0) / supply;
columns[0].vertical_centered(|ui| {
View::rounded_box(ui,
format!("{}", BLOCK_REWARD),
t!("network_metrics.reward"),
[true, false, true, false]);
});
columns[1].vertical_centered(|ui| {
View::rounded_box(ui,
format!("{:.2}%", rate),
t!("network_metrics.inflation"),
[false, false, false, false]);
});
columns[2].vertical_centered(|ui| {
View::rounded_box(ui,
supply.to_string(),
t!("network_metrics.supply"),
[false, true, false, true]);
});
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});
ui.add_space(5.0);
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// Show difficulty adjustment window info.
let difficulty_title = t!(
"network_metrics.difficulty_window",
"size" => stats.diff_stats.window_size
);
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View::sub_title(ui, format!("{} {}", HOURGLASS_MEDIUM, difficulty_title));
ui.columns(3, |columns| {
columns[0].vertical_centered(|ui| {
View::rounded_box(ui,
stats.diff_stats.height.to_string(),
t!("network_node.height"),
[true, false, true, false]);
});
columns[1].vertical_centered(|ui| {
View::rounded_box(ui,
format!("{}s", stats.diff_stats.average_block_time),
t!("network_metrics.block_time"),
[false, false, false, false]);
});
columns[2].vertical_centered(|ui| {
View::rounded_box(ui,
stats.diff_stats.average_difficulty.to_string(),
t!("network_node.difficulty"),
[false, true, false, true]);
});
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});
}
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/// Draw difficulty adjustment window blocks content.
fn blocks_ui(ui: &mut egui::Ui, stats: &ServerStats) {
let blocks_size = stats.diff_stats.last_blocks.len();
ui.add_space(4.0);
ScrollArea::vertical()
.id_source("difficulty_scroll")
.auto_shrink([false; 2])
.stick_to_bottom(true)
.show_rows(
ui,
BLOCK_ITEM_HEIGHT - 1.0,
blocks_size,
|ui, row_range| {
for index in row_range {
// Add space before the first item.
if index == 0 {
ui.add_space(4.0);
}
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let db = stats.diff_stats.last_blocks.get(index).unwrap();
block_item_ui(ui, db, View::item_rounding(index, blocks_size, false));
}
},
);
}
/// Draw block difficulty item.
fn block_item_ui(ui: &mut egui::Ui, db: &DiffBlock, rounding: Rounding) {
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let mut rect = ui.available_rect_before_wrap();
rect.set_height(BLOCK_ITEM_HEIGHT);
ui.allocate_ui_at_rect(rect, |ui| {
ui.horizontal(|ui| {
ui.add_space(6.0);
ui.vertical(|ui| {
// Draw round background.
rect.min += vec2(8.0, 0.0);
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rect.max -= vec2(8.0, 0.0);
ui.painter().rect(rect, rounding, Colors::WHITE, View::ITEM_STROKE);
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ui.add_space(2.0);
// Draw block hash.
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ui.horizontal(|ui| {
ui.add_space(5.0);
ui.label(RichText::new(format!("{} {}", HASH, db.block_hash))
.color(Colors::BLACK)
.size(17.0));
});
// Draw block difficulty and height.
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ui.horizontal(|ui| {
ui.add_space(6.0);
let diff_text = format!("{} {} {} {}",
CUBE_TRANSPARENT,
db.difficulty,
AT,
db.block_height);
ui.label(RichText::new(diff_text).color(Colors::TITLE).size(16.0));
});
// Draw block date.
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ui.horizontal(|ui| {
ui.add_space(6.0);
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let block_time = View::format_time(db.time as i64);
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ui.label(RichText::new(format!("{} {}s {} {}",
TIMER,
db.duration,
HOURGLASS_LOW,
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block_time))
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.color(Colors::GRAY)
.size(16.0));
});
ui.add_space(2.0);
});
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ui.add_space(8.0);
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});
});
}