// 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 chrono::{DateTime, NaiveDateTime, Utc};
use egui::{RichText, Rounding, ScrollArea, Stroke};
use grin_servers::DiffBlock;
use crate::gui::Colors;
use crate::gui::icons::{AT, COINS, CUBE_TRANSPARENT, HASH, HOURGLASS_LOW, HOURGLASS_MEDIUM, TIMER};
use crate::gui::platform::PlatformCallbacks;
use crate::gui::views::network::{NetworkTab, NetworkTabType};
use crate::gui::views::{Modal, Network, View};
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, cb: &dyn PlatformCallbacks) {
let server_stats = Node::get_stats();
// Show message to enable node when it's not running.
if !Node::is_running() {
Network::disabled_node_ui(ui);
return;
}
// Show loading spinner when node is stopping.
if Node::is_stopping() {
ui.centered_and_justified(|ui| {
View::big_loading_spinner(ui);
});
return;
}
// Show message when metrics are not available.
if server_stats.is_none() || Node::is_restarting()
|| server_stats.as_ref().unwrap().diff_stats.height == 0 {
View::center_content(ui, 162.0, |ui| {
View::big_loading_spinner(ui);
ui.add_space(18.0);
ui.label(RichText::new(t!("network_metrics.loading"))
.size(16.0)
.color(Colors::INACTIVE_TEXT)
);
});
return;
}
let stats = server_stats.as_ref().unwrap();
// 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!("{}ツ", 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]);
});
});
ui.add_space(4.0);
// Show difficulty adjustment window info.
let difficulty_title = t!(
"network_metrics.difficulty_window",
"size" => stats.diff_stats.window_size
);
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]);
});
});
ui.add_space(4.0);
// Show difficulty adjustment window blocks.
let blocks_size = stats.diff_stats.last_blocks.len();
ScrollArea::vertical()
.id_source("difficulty_scroll")
.auto_shrink([false; 2])
.stick_to_bottom(true)
.show_rows(
ui,
BLOCK_ITEM_HEIGHT,
blocks_size,
|ui, row_range| {
for index in row_range {
let db = stats.diff_stats.last_blocks.get(index).unwrap();
let rounding = if blocks_size == 1 {
[true, true]
} else if index == 0 {
[true, false]
} else if index == blocks_size - 1 {
[false, true]
} else {
[false, false]
};
block_item_ui(ui, db, rounding)
}
},
);
}
fn on_modal_ui(&mut self, ui: &mut egui::Ui, modal: &Modal, cb: &dyn PlatformCallbacks) {}
}
const BLOCK_ITEM_HEIGHT: f32 = 74.90;
/// Draw block difficulty item.
fn block_item_ui(ui: &mut egui::Ui, db: &DiffBlock, rounding: [bool; 2]) {
// Add space before the first item.
if rounding[0] {
ui.add_space(4.0);
}
ui.horizontal(|ui| {
ui.add_space(6.0);
ui.vertical(|ui| {
// Draw round background.
let mut rect = ui.available_rect_before_wrap();
rect.set_height(BLOCK_ITEM_HEIGHT);
ui.painter().rect(
rect,
Rounding {
nw: if rounding[0] { 8.0 } else { 0.0 },
ne: if rounding[0] { 8.0 } else { 0.0 },
sw: if rounding[1] { 8.0 } else { 0.0 },
se: if rounding[1] { 8.0 } else { 0.0 },
},
Colors::WHITE,
Stroke { width: 1.0, color: Colors::ITEM_STROKE }
);
ui.add_space(2.0);
ui.horizontal(|ui| {
ui.add_space(5.0);
// Draw block hash.
ui.heading(RichText::new(format!("{} {}", HASH, db.block_hash))
.color(Colors::BLACK)
.size(17.0));
});
ui.horizontal(|ui| {
ui.add_space(6.0);
// Draw block difficulty and height.
ui.heading(RichText::new(format!("{} {}", CUBE_TRANSPARENT, db.difficulty))
.color(Colors::TITLE)
.size(16.0));
ui.add_space(2.0);
ui.heading(RichText::new(AT).color(Colors::TITLE).size(16.0));
ui.add_space(2.0);
ui.heading(RichText::new(db.block_height.to_string())
.color(Colors::TITLE)
.size(16.0));
});
ui.horizontal(|ui| {
ui.add_space(6.0);
// Draw block date.
ui.heading(RichText::new(format!("{} {}s", TIMER, db.duration))
.color(Colors::GRAY)
.size(16.0));
ui.add_space(4.0);
ui.heading(RichText::new(HOURGLASS_LOW).color(Colors::GRAY).size(16.0));
ui.add_space(2.0);
// Draw block time.
let block_time = NaiveDateTime::from_timestamp_opt(db.time as i64, 0).unwrap();
let block_datetime: DateTime<Utc> = DateTime::from_utc(block_time, Utc);
ui.heading(RichText::new(block_datetime.format("%d/%m/%Y %H:%M:%S UTC").to_string())
.color(Colors::GRAY)
.size(16.0));
});
ui.add_space(2.0);
});
});
}