feat: initialize Kurdistan SDK - independent fork of Polkadot SDK

2025-12-13 15:44:15 +03:00
commit 286de54384
6841 changed files with 1848356 additions and 0 deletions
@@ -0,0 +1,86 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Pezkuwi.
+
+// Pezkuwi is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Pezkuwi is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Pezkuwi.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Metrics helpers
+//!
+//! Collects a bunch of metrics providers and related features such as
+//! `Metronome` for usage with metrics collections.
+//!
+//! This crate also reexports Prometheus metric types which are expected to be implemented by
+//! subsystems.
+
+#![deny(missing_docs)]
+#![deny(unused_imports)]
+
+pub use metered;
+
+/// Cyclic metric collection support.
+pub mod metronome;
+pub use self::metronome::Metronome;
+
+#[cfg(feature = "runtime-metrics")]
+pub mod runtime;
+#[cfg(feature = "runtime-metrics")]
+pub use self::runtime::logger_hook;
+
+/// Export a dummy logger hook when the `runtime-metrics` feature is not enabled.
+#[cfg(not(feature = "runtime-metrics"))]
+pub fn logger_hook() -> impl FnOnce(&mut sc_cli::LoggerBuilder, &sc_service::Configuration) {
+	|_logger_builder, _config| {}
+}
+
+/// This module reexports Prometheus types and defines the [`Metrics`](metrics::Metrics) trait.
+pub mod metrics {
+	/// Reexport Substrate Prometheus types.
+	pub use prometheus_endpoint as prometheus;
+
+	/// Subsystem- or job-specific Prometheus metrics.
+	///
+	/// Usually implemented as a wrapper for `Option<ActualMetrics>`
+	/// to ensure `Default` bounds or as a dummy type ().
+	/// Prometheus metrics internally hold an `Arc` reference, so cloning them is fine.
+	pub trait Metrics: Default + Clone {
+		/// Try to register metrics in the Prometheus registry.
+		fn try_register(
+			registry: &prometheus::Registry,
+		) -> Result<Self, prometheus::PrometheusError>;
+
+		/// Convenience method to register metrics in the optional Prometheus registry.
+		///
+		/// If no registry is provided, returns `Default::default()`. Otherwise, returns the same
+		/// thing that `try_register` does.
+		fn register(
+			registry: Option<&prometheus::Registry>,
+		) -> Result<Self, prometheus::PrometheusError> {
+			match registry {
+				None => Ok(Self::default()),
+				Some(registry) => Self::try_register(registry),
+			}
+		}
+	}
+
+	// dummy impl
+	impl Metrics for () {
+		fn try_register(
+			_registry: &prometheus::Registry,
+		) -> Result<(), prometheus::PrometheusError> {
+			Ok(())
+		}
+	}
+}
+
+#[cfg(all(feature = "runtime-metrics", not(feature = "runtime-benchmarks"), test))]
+mod tests;
@@ -0,0 +1,67 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Pezkuwi.
+
+// Pezkuwi is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Pezkuwi is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Pezkuwi.  If not, see <http://www.gnu.org/licenses/>.
+
+use futures::prelude::*;
+use futures_timer::Delay;
+use std::{
+	pin::Pin,
+	task::{Context, Poll},
+	time::Duration,
+};
+
+#[derive(Copy, Clone)]
+enum MetronomeState {
+	Snooze,
+	SetAlarm,
+}
+
+/// Create a stream of ticks with a defined cycle duration.
+pub struct Metronome {
+	delay: Delay,
+	period: Duration,
+	state: MetronomeState,
+}
+
+impl Metronome {
+	/// Create a new metronome source with a defined cycle duration.
+	pub fn new(cycle: Duration) -> Self {
+		let period = cycle.into();
+		Self { period, delay: Delay::new(period), state: MetronomeState::Snooze }
+	}
+}
+
+impl futures::Stream for Metronome {
+	type Item = ();
+	fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+		loop {
+			match self.state {
+				MetronomeState::SetAlarm => {
+					let val = self.period;
+					self.delay.reset(val);
+					self.state = MetronomeState::Snooze;
+				},
+				MetronomeState::Snooze => {
+					if !Pin::new(&mut self.delay).poll(cx).is_ready() {
+						break;
+					}
+					self.state = MetronomeState::SetAlarm;
+					return Poll::Ready(Some(()));
+				},
+			}
+		}
+		Poll::Pending
+	}
+}
@@ -0,0 +1,226 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Pezkuwi.
+
+// Pezkuwi is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Pezkuwi is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Pezkuwi.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Runtime Metrics helpers.
+//!
+//! A runtime metric provider implementation that builds on top of Substrate wasm
+//! tracing support. This requires that the custom profiler (`TraceHandler`) to be
+//! registered in substrate via a `logger_hook()`. Events emitted from runtime are
+//! then captured/processed by the `TraceHandler` implementation.
+//!
+//! Don't add logs in this file because it gets executed before the logger is
+//! initialized and they won't be delivered. Add println! statements if you need
+//! to debug this code.
+
+#![cfg(feature = "runtime-metrics")]
+
+use codec::Decode;
+use pezkuwi_primitives::{
+	metric_definitions::{CounterDefinition, CounterVecDefinition, HistogramDefinition},
+	RuntimeMetricLabelValues, RuntimeMetricOp, RuntimeMetricUpdate,
+};
+use prometheus_endpoint::{
+	register, Counter, CounterVec, Histogram, HistogramOpts, Opts, PrometheusError, Registry, U64,
+};
+use std::{
+	collections::hash_map::HashMap,
+	sync::{Arc, Mutex, MutexGuard},
+};
+mod teyrchain;
+
+/// Holds the registered Prometheus metric collections.
+#[derive(Clone, Default)]
+pub struct Metrics {
+	counter_vecs: Arc<Mutex<HashMap<String, CounterVec<U64>>>>,
+	counters: Arc<Mutex<HashMap<String, Counter<U64>>>>,
+	histograms: Arc<Mutex<HashMap<String, Histogram>>>,
+}
+
+/// Runtime metrics wrapper.
+#[derive(Clone)]
+pub struct RuntimeMetricsProvider(Registry, Metrics);
+
+impl RuntimeMetricsProvider {
+	/// Creates new instance.
+	pub fn new(metrics_registry: Registry) -> Self {
+		Self(metrics_registry, Metrics::default())
+	}
+
+	/// Register a counter vec metric.
+	pub fn register_countervec(&self, countervec: CounterVecDefinition) {
+		self.with_counter_vecs_lock_held(|mut hashmap| {
+			hashmap.entry(countervec.name.to_owned()).or_insert(register(
+				CounterVec::new(
+					Opts::new(countervec.name, countervec.description),
+					countervec.labels,
+				)?,
+				&self.0,
+			)?);
+			Ok(())
+		})
+	}
+
+	/// Register a counter metric.
+	pub fn register_counter(&self, counter: CounterDefinition) {
+		self.with_counters_lock_held(|mut hashmap| {
+			hashmap
+				.entry(counter.name.to_owned())
+				.or_insert(register(Counter::new(counter.name, counter.description)?, &self.0)?);
+			return Ok(());
+		})
+	}
+
+	/// Register a histogram metric
+	pub fn register_histogram(&self, hist: HistogramDefinition) {
+		self.with_histograms_lock_held(|mut hashmap| {
+			hashmap.entry(hist.name.to_owned()).or_insert(register(
+				Histogram::with_opts(
+					HistogramOpts::new(hist.name, hist.description).buckets(hist.buckets.to_vec()),
+				)?,
+				&self.0,
+			)?);
+			return Ok(());
+		})
+	}
+
+	/// Increment a counter with labels by a value
+	pub fn inc_counter_vec_by(&self, name: &str, value: u64, labels: &RuntimeMetricLabelValues) {
+		self.with_counter_vecs_lock_held(|mut hashmap| {
+			hashmap.entry(name.to_owned()).and_modify(|counter_vec| {
+				counter_vec.with_label_values(&labels.as_str_vec()).inc_by(value)
+			});
+
+			Ok(())
+		});
+	}
+
+	/// Increment a counter by a value.
+	pub fn inc_counter_by(&self, name: &str, value: u64) {
+		self.with_counters_lock_held(|mut hashmap| {
+			hashmap
+				.entry(name.to_owned())
+				.and_modify(|counter_vec| counter_vec.inc_by(value));
+			Ok(())
+		})
+	}
+
+	/// Observe a histogram. `value` should be in `ns`.
+	pub fn observe_histogram(&self, name: &str, value: u128) {
+		self.with_histograms_lock_held(|mut hashmap| {
+			hashmap
+				.entry(name.to_owned())
+				.and_modify(|histogram| histogram.observe(value as f64 / 1_000_000_000.0)); // ns to sec
+			Ok(())
+		})
+	}
+
+	fn with_counters_lock_held<F>(&self, do_something: F)
+	where
+		F: FnOnce(MutexGuard<'_, HashMap<String, Counter<U64>>>) -> Result<(), PrometheusError>,
+	{
+		let _ = self.1.counters.lock().map(do_something).or_else(|error| Err(error));
+	}
+
+	fn with_counter_vecs_lock_held<F>(&self, do_something: F)
+	where
+		F: FnOnce(MutexGuard<'_, HashMap<String, CounterVec<U64>>>) -> Result<(), PrometheusError>,
+	{
+		let _ = self.1.counter_vecs.lock().map(do_something).or_else(|error| Err(error));
+	}
+
+	fn with_histograms_lock_held<F>(&self, do_something: F)
+	where
+		F: FnOnce(MutexGuard<'_, HashMap<String, Histogram>>) -> Result<(), PrometheusError>,
+	{
+		let _ = self.1.histograms.lock().map(do_something).or_else(|error| Err(error));
+	}
+}
+
+impl sc_tracing::TraceHandler for RuntimeMetricsProvider {
+	fn handle_span(&self, _span: &sc_tracing::SpanDatum) {}
+	fn handle_event(&self, event: &sc_tracing::TraceEvent) {
+		if event
+			.values
+			.string_values
+			.get("target")
+			.unwrap_or(&String::default())
+			.ne("metrics")
+		{
+			return;
+		}
+
+		if let Some(update_op_bs58) = event.values.string_values.get("params") {
+			// Deserialize the metric update struct.
+			match RuntimeMetricUpdate::decode(
+				&mut RuntimeMetricsProvider::parse_event_params(&update_op_bs58)
+					.unwrap_or_default()
+					.as_slice(),
+			) {
+				Ok(update_op) => {
+					self.parse_metric_update(update_op);
+				},
+				Err(_) => {
+					// do nothing
+				},
+			}
+		}
+	}
+}
+
+impl RuntimeMetricsProvider {
+	// Parse end execute the update operation.
+	fn parse_metric_update(&self, update: RuntimeMetricUpdate) {
+		match update.op {
+			RuntimeMetricOp::IncrementCounterVec(value, ref labels) =>
+				self.inc_counter_vec_by(update.metric_name(), value, labels),
+			RuntimeMetricOp::IncrementCounter(value) =>
+				self.inc_counter_by(update.metric_name(), value),
+			RuntimeMetricOp::ObserveHistogram(value) =>
+				self.observe_histogram(update.metric_name(), value),
+		}
+	}
+
+	// Returns the `bs58` encoded metric update operation.
+	fn parse_event_params(event_params: &str) -> Option<Vec<u8>> {
+		// Shave " }" suffix.
+		let new_len = event_params.len().saturating_sub(2);
+		let event_params = &event_params[..new_len];
+
+		// Shave " { update_op: " prefix.
+		const SKIP_CHARS: &'static str = " { update_op: ";
+		if SKIP_CHARS.len() < event_params.len() {
+			if SKIP_CHARS.eq_ignore_ascii_case(&event_params[..SKIP_CHARS.len()]) {
+				return bs58::decode(&event_params[SKIP_CHARS.len()..].as_bytes()).into_vec().ok();
+			}
+		}
+
+		// No event was parsed
+		None
+	}
+}
+
+/// Returns the custom profiling closure that we'll apply to the `LoggerBuilder`.
+pub fn logger_hook() -> impl FnOnce(&mut sc_cli::LoggerBuilder, &sc_service::Configuration) -> () {
+	|logger_builder, config| {
+		if config.prometheus_registry().is_none() {
+			return;
+		}
+		let registry = config.prometheus_registry().cloned().unwrap();
+		let metrics_provider = RuntimeMetricsProvider::new(registry);
+		teyrchain::register_metrics(&metrics_provider);
+		logger_builder.with_custom_profiling(Box::new(metrics_provider));
+	}
+}
@@ -0,0 +1,38 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Pezkuwi.
+
+// Pezkuwi is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Pezkuwi is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Pezkuwi.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Client side declaration and registration of the teyrchain Prometheus metrics.
+//! All of the metrics have a correspondent runtime metric definition.
+
+use crate::runtime::RuntimeMetricsProvider;
+use pezkuwi_primitives::metric_definitions::{
+	TEYRCHAIN_CREATE_INHERENT_BITFIELDS_SIGNATURE_CHECKS,
+	TEYRCHAIN_INHERENT_DATA_BITFIELDS_PROCESSED, TEYRCHAIN_INHERENT_DATA_CANDIDATES_PROCESSED,
+	TEYRCHAIN_INHERENT_DATA_DISPUTE_SETS_PROCESSED, TEYRCHAIN_INHERENT_DATA_WEIGHT,
+	TEYRCHAIN_VERIFY_DISPUTE_SIGNATURE,
+};
+
+/// Register the teyrchain runtime metrics.
+pub fn register_metrics(runtime_metrics_provider: &RuntimeMetricsProvider) {
+	runtime_metrics_provider.register_counter(TEYRCHAIN_INHERENT_DATA_BITFIELDS_PROCESSED);
+
+	runtime_metrics_provider.register_countervec(TEYRCHAIN_INHERENT_DATA_WEIGHT);
+	runtime_metrics_provider.register_countervec(TEYRCHAIN_INHERENT_DATA_DISPUTE_SETS_PROCESSED);
+	runtime_metrics_provider.register_countervec(TEYRCHAIN_INHERENT_DATA_CANDIDATES_PROCESSED);
+	runtime_metrics_provider
+		.register_countervec(TEYRCHAIN_CREATE_INHERENT_BITFIELDS_SIGNATURE_CHECKS);
+	runtime_metrics_provider.register_histogram(TEYRCHAIN_VERIFY_DISPUTE_SIGNATURE);
+}
@@ -0,0 +1,100 @@
+// Copyright (C) Parity Technologies (UK) Ltd.
+// This file is part of Pezkuwi.
+
+// Pezkuwi is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Pezkuwi is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Pezkuwi.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Pezkuwi runtime metrics integration test.
+
+use http_body_util::BodyExt;
+use hyper::Uri;
+use hyper_util::{client::legacy::Client, rt::TokioExecutor};
+use pezkuwi_primitives::metric_definitions::TEYRCHAIN_INHERENT_DATA_BITFIELDS_PROCESSED;
+use pezkuwi_test_service::{node_config, run_validator_node, test_prometheus_config};
+use sp_keyring::Sr25519Keyring::*;
+use std::collections::HashMap;
+
+const DEFAULT_PROMETHEUS_PORT: u16 = 9616;
+
+#[tokio::test(flavor = "multi_thread")]
+async fn runtime_can_publish_metrics() {
+	let mut alice_config =
+		node_config(|| {}, tokio::runtime::Handle::current(), Alice, Vec::new(), true);
+
+	// Enable Prometheus metrics for Alice.
+	alice_config.prometheus_config = Some(test_prometheus_config(DEFAULT_PROMETHEUS_PORT));
+
+	let mut builder = sc_cli::LoggerBuilder::new("");
+
+	// Enable profiling with `wasm_tracing` target.
+	builder.with_profiling(Default::default(), String::from("wasm_tracing=trace"));
+
+	// Setup the runtime metrics provider.
+	crate::logger_hook()(&mut builder, &alice_config);
+
+	builder.init().expect("Failed to set up the logger");
+
+	// Start validator Alice.
+	let alice = run_validator_node(alice_config, None).await;
+
+	let bob_config =
+		node_config(|| {}, tokio::runtime::Handle::current(), Bob, vec![alice.addr.clone()], true);
+
+	// Start validator Bob.
+	let _bob = run_validator_node(bob_config, None).await;
+
+	// Wait for Alice to see two finalized blocks.
+	alice.wait_for_finalized_blocks(2).await;
+
+	let metrics_uri = format!("http://localhost:{}/metrics", DEFAULT_PROMETHEUS_PORT);
+	let metrics = scrape_prometheus_metrics(&metrics_uri).await;
+
+	// There should be at least 1 bitfield processed by now.
+	assert!(
+		*metrics
+			.get(&TEYRCHAIN_INHERENT_DATA_BITFIELDS_PROCESSED.name.to_owned())
+			.unwrap() > 1
+	);
+}
+
+async fn scrape_prometheus_metrics(metrics_uri: &str) -> HashMap<String, u64> {
+	let res = Client::builder(TokioExecutor::new())
+		.build_http::<http_body_util::Full<hyper::body::Bytes>>()
+		.get(Uri::try_from(metrics_uri).expect("bad URI"))
+		.await
+		.expect("GET request failed");
+
+	// Retrieve the `HTTP` response body.
+	let body = String::from_utf8(
+		res.into_body()
+			.collect()
+			.await
+			.expect("can't get body as bytes")
+			.to_bytes()
+			.to_vec(),
+	)
+	.expect("body is not an UTF8 string");
+
+	let lines: Vec<_> = body.lines().map(|s| Ok(s.to_owned())).collect();
+	prometheus_parse::Scrape::parse(lines.into_iter())
+		.expect("Scraper failed to parse Prometheus metrics")
+		.samples
+		.into_iter()
+		.filter_map(|prometheus_parse::Sample { metric, value, .. }| match value {
+			prometheus_parse::Value::Counter(value) => Some((metric, value as u64)),
+			prometheus_parse::Value::Gauge(value) => Some((metric, value as u64)),
+			prometheus_parse::Value::Untyped(value) => Some((metric, value as u64)),
+			_ => None,
+		})
+		.collect()
+}