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Merge branch 'main' into expose-support-flags
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Boog900 2024-12-04 18:59:33 +00:00
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@ -29,6 +29,15 @@ dependencies = [
"zerocopy", "zerocopy",
] ]
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@ -837,7 +983,6 @@ dependencies = [
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"dashmap",
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@ -1013,6 +1158,17 @@ dependencies = [
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] ]
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]
[[package]] [[package]]
name = "want" name = "want"
version = "0.3.1" version = "0.3.1"
@ -3264,6 +3615,16 @@ version = "0.2.95"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d" checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
[[package]]
name = "web-sys"
version = "0.3.69"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "77afa9a11836342370f4817622a2f0f418b134426d91a82dfb48f532d2ec13ef"
dependencies = [
"js-sys",
"wasm-bindgen",
]
[[package]] [[package]]
name = "webpki-roots" name = "webpki-roots"
version = "0.26.6" version = "0.26.6"
@ -3289,6 +3650,15 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6" checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-util"
version = "0.1.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4d4cc384e1e73b93bafa6fb4f1df8c41695c8a91cf9c4c64358067d15a7b6c6b"
dependencies = [
"windows-sys 0.52.0",
]
[[package]] [[package]]
name = "winapi-x86_64-pc-windows-gnu" name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0" version = "0.4.0"

100
Cargo.toml
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@ -1,38 +1,61 @@
[workspace] [workspace]
resolver = "2" resolver = "2"
members = [ members = [
# Binaries
"binaries/cuprated", "binaries/cuprated",
"constants",
# Benchmarks
"benches/benchmark/bin",
"benches/benchmark/lib",
"benches/benchmark/example",
"benches/criterion/example",
"benches/criterion/cuprate-json-rpc",
# Consensus
"consensus", "consensus",
"consensus/context", "consensus/context",
"consensus/fast-sync", "consensus/fast-sync",
"consensus/rules", "consensus/rules",
"cryptonight",
"helper", # Net
"net/epee-encoding", "net/epee-encoding",
"net/fixed-bytes", "net/fixed-bytes",
"net/levin", "net/levin",
"net/wire", "net/wire",
# P2P
"p2p/p2p", "p2p/p2p",
"p2p/p2p-core", "p2p/p2p-core",
"p2p/bucket", "p2p/bucket",
"p2p/dandelion-tower", "p2p/dandelion-tower",
"p2p/async-buffer", "p2p/async-buffer",
"p2p/address-book", "p2p/address-book",
# Storage
"storage/blockchain", "storage/blockchain",
"storage/service", "storage/service",
"storage/txpool", "storage/txpool",
"storage/database", "storage/database",
"pruning",
"test-utils", # RPC
"types",
"rpc/json-rpc", "rpc/json-rpc",
"rpc/types", "rpc/types",
"rpc/interface", "rpc/interface",
# ZMQ
"zmq/types",
# Misc
"constants",
"cryptonight",
"helper",
"pruning",
"test-utils",
"types",
] ]
[profile.release] [profile.release]
panic = "abort"
lto = true # Build with LTO lto = true # Build with LTO
strip = "none" # Keep panic stack traces strip = "none" # Keep panic stack traces
codegen-units = 1 # Optimize for binary speed over compile times codegen-units = 1 # Optimize for binary speed over compile times
@ -52,33 +75,36 @@ opt-level = 3
[workspace.dependencies] [workspace.dependencies]
# Cuprate members # Cuprate members
cuprate-fast-sync = { path = "consensus/fast-sync", default-features = false } cuprate-benchmark-lib = { path = "benches/benchmark/lib", default-features = false }
cuprate-consensus-rules = { path = "consensus/rules", default-features = false } cuprate-benchmark-example = { path = "benches/benchmark/example", default-features = false }
cuprate-constants = { path = "constants", default-features = false } cuprate-fast-sync = { path = "consensus/fast-sync", default-features = false }
cuprate-consensus = { path = "consensus", default-features = false } cuprate-consensus-rules = { path = "consensus/rules", default-features = false }
cuprate-consensus-context = { path = "consensus/context", default-features = false } cuprate-constants = { path = "constants", default-features = false }
cuprate-cryptonight = { path = "cryptonight", default-features = false } cuprate-consensus = { path = "consensus", default-features = false }
cuprate-helper = { path = "helper", default-features = false } cuprate-consensus-context = { path = "consensus/context", default-features = false }
cuprate-epee-encoding = { path = "net/epee-encoding", default-features = false } cuprate-cryptonight = { path = "cryptonight", default-features = false }
cuprate-fixed-bytes = { path = "net/fixed-bytes", default-features = false } cuprate-helper = { path = "helper", default-features = false }
cuprate-levin = { path = "net/levin", default-features = false } cuprate-epee-encoding = { path = "net/epee-encoding", default-features = false }
cuprate-wire = { path = "net/wire", default-features = false } cuprate-fixed-bytes = { path = "net/fixed-bytes", default-features = false }
cuprate-p2p = { path = "p2p/p2p", default-features = false } cuprate-levin = { path = "net/levin", default-features = false }
cuprate-p2p-core = { path = "p2p/p2p-core", default-features = false } cuprate-wire = { path = "net/wire", default-features = false }
cuprate-p2p-bucket = { path = "p2p/p2p-bucket", default-features = false } cuprate-p2p = { path = "p2p/p2p", default-features = false }
cuprate-dandelion-tower = { path = "p2p/dandelion-tower", default-features = false } cuprate-p2p-core = { path = "p2p/p2p-core", default-features = false }
cuprate-async-buffer = { path = "p2p/async-buffer", default-features = false } cuprate-p2p-bucket = { path = "p2p/p2p-bucket", default-features = false }
cuprate-address-book = { path = "p2p/address-book", default-features = false } cuprate-dandelion-tower = { path = "p2p/dandelion-tower", default-features = false }
cuprate-blockchain = { path = "storage/blockchain", default-features = false } cuprate-async-buffer = { path = "p2p/async-buffer", default-features = false }
cuprate-database = { path = "storage/database", default-features = false } cuprate-address-book = { path = "p2p/address-book", default-features = false }
cuprate-database-service = { path = "storage/service", default-features = false } cuprate-blockchain = { path = "storage/blockchain", default-features = false }
cuprate-txpool = { path = "storage/txpool", default-features = false } cuprate-database = { path = "storage/database", default-features = false }
cuprate-pruning = { path = "pruning", default-features = false } cuprate-database-service = { path = "storage/service", default-features = false }
cuprate-test-utils = { path = "test-utils", default-features = false } cuprate-txpool = { path = "storage/txpool", default-features = false }
cuprate-types = { path = "types", default-features = false } cuprate-pruning = { path = "pruning", default-features = false }
cuprate-json-rpc = { path = "rpc/json-rpc", default-features = false } cuprate-test-utils = { path = "test-utils", default-features = false }
cuprate-rpc-types = { path = "rpc/types", default-features = false } cuprate-types = { path = "types", default-features = false }
cuprate-rpc-interface = { path = "rpc/interface", default-features = false } cuprate-json-rpc = { path = "rpc/json-rpc", default-features = false }
cuprate-rpc-types = { path = "rpc/types", default-features = false }
cuprate-rpc-interface = { path = "rpc/interface", default-features = false }
cuprate-zmq-types = { path = "zmq/types", default-features = false }
# External dependencies # External dependencies
anyhow = { version = "1", default-features = false } anyhow = { version = "1", default-features = false }
@ -119,10 +145,13 @@ tokio-util = { version = "0.7", default-features = false }
tokio-stream = { version = "0.1", default-features = false } tokio-stream = { version = "0.1", default-features = false }
tokio = { version = "1", default-features = false } tokio = { version = "1", default-features = false }
tower = { git = "https://github.com/Cuprate/tower.git", rev = "6c7faf0", default-features = false } # <https://github.com/tower-rs/tower/pull/796> tower = { git = "https://github.com/Cuprate/tower.git", rev = "6c7faf0", default-features = false } # <https://github.com/tower-rs/tower/pull/796>
toml = { version = "0.8", default-features = false }
tracing-subscriber = { version = "0.3", default-features = false } tracing-subscriber = { version = "0.3", default-features = false }
tracing = { version = "0.1", default-features = false } tracing = { version = "0.1", default-features = false }
## workspace.dev-dependencies ## workspace.dev-dependencies
criterion = { version = "0.5" }
function_name = { version = "0.3" }
monero-rpc = { git = "https://github.com/Cuprate/serai.git", rev = "d5205ce" } monero-rpc = { git = "https://github.com/Cuprate/serai.git", rev = "d5205ce" }
monero-simple-request-rpc = { git = "https://github.com/Cuprate/serai.git", rev = "d5205ce" } monero-simple-request-rpc = { git = "https://github.com/Cuprate/serai.git", rev = "d5205ce" }
tempfile = { version = "3" } tempfile = { version = "3" }
@ -252,6 +281,9 @@ rest_pat_in_fully_bound_structs = "deny"
redundant_type_annotations = "deny" redundant_type_annotations = "deny"
infinite_loop = "deny" infinite_loop = "deny"
zero_repeat_side_effects = "deny" zero_repeat_side_effects = "deny"
non_zero_suggestions = "deny"
manual_is_power_of_two = "deny"
used_underscore_items = "deny"
# Warm # Warm
cast_possible_truncation = "deny" cast_possible_truncation = "deny"

6
benches/README.md
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@ -1 +1,5 @@
# TODO # Benches
This directory contains Cuprate's benchmarks and benchmarking utilities.
See the [`Benchmarking` section in the Architecture book](https://architecture.cuprate.org/benchmarking/intro.html)
to see how to create and run these benchmarks.

43
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@ -0,0 +1,43 @@
[package]
name = "cuprate-benchmark"
version = "0.0.0"
edition = "2021"
description = "Cuprate's benchmarking binary"
license = "MIT"
authors = ["hinto-janai"]
repository = "https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/bin"
keywords = ["cuprate", "benchmarking", "binary"]
[features]
# All new benchmarks should be added here!
all = ["example"]
# Non-benchmark features.
default = []
json = []
trace = []
debug = []
warn = []
info = []
error = []
# Benchmark features.
# New benchmarks should be added here!
example = [
"dep:cuprate-benchmark-example"
]
[dependencies]
cuprate-benchmark-lib = { workspace = true }
cuprate-benchmark-example = { workspace = true, optional = true }
cfg-if = { workspace = true }
serde = { workspace = true, features = ["derive"] }
serde_json = { workspace = true, features = ["std"] }
tracing = { workspace = true, features = ["std", "attributes"] }
tracing-subscriber = { workspace = true, features = ["fmt", "std", "env-filter"] }
[dev-dependencies]
[lints]
workspace = true

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@ -0,0 +1,27 @@
## `cuprate-benchmark`
This crate links all benchmarks together into a single binary that can be run as: `cuprate-benchmark`.
`cuprate-benchmark` will run all enabled benchmarks sequentially and print data at the end.
## Benchmarks
Benchmarks are opt-in and enabled via features.
| Feature | Enables which benchmark crate? |
|----------|--------------------------------|
| example | cuprate-benchmark-example |
| database | cuprate-benchmark-database |
## Features
These are features that aren't for enabling benchmarks, but rather for other things.
Since `cuprate-benchmark` is built right before it is ran,
these features almost act like command line arguments.
| Features | Does what |
|----------|-----------|
| json | Prints JSON timings instead of a markdown table
| trace | Use the `trace` log-level
| debug | Use the `debug` log-level
| warn | Use the `warn` log-level
| info | Use the `info` log-level (default)
| error | Use the `error` log-level

29
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@ -0,0 +1,29 @@
use cfg_if::cfg_if;
use tracing::{info, instrument, Level};
use tracing_subscriber::FmtSubscriber;
/// Initializes the `tracing` logger.
#[instrument]
pub(crate) fn init_logger() {
const LOG_LEVEL: Level = {
cfg_if! {
if #[cfg(feature = "trace")] {
Level::TRACE
} else if #[cfg(feature = "debug")] {
Level::DEBUG
} else if #[cfg(feature = "warn")] {
Level::WARN
} else if #[cfg(feature = "info")] {
Level::INFO
} else if #[cfg(feature = "error")] {
Level::ERROR
} else {
Level::INFO
}
}
};
FmtSubscriber::builder().with_max_level(LOG_LEVEL).init();
info!("Log level: {LOG_LEVEL}");
}

49
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@ -0,0 +1,49 @@
#![doc = include_str!("../README.md")]
#![allow(
unused_crate_dependencies,
reason = "this crate imports many potentially unused dependencies"
)]
mod log;
mod print;
mod run;
mod timings;
use cfg_if::cfg_if;
/// What `main()` does:
/// 1. Run all enabled benchmarks
/// 2. Record benchmark timings
/// 3. Print timing data
///
/// To add a new benchmark to be ran here:
/// 1. Copy + paste a `cfg_if` block
/// 2. Change it to your benchmark's feature flag
/// 3. Change it to your benchmark's type
#[allow(
clippy::allow_attributes,
unused_variables,
unused_mut,
unreachable_code,
reason = "clippy does not account for all cfg()s"
)]
fn main() {
log::init_logger();
let mut timings = timings::Timings::new();
cfg_if! {
if #[cfg(not(any(feature = "example")))] {
println!("No feature specified. Use `--features $BENCHMARK_FEATURE` when building.");
return;
}
}
cfg_if! {
if #[cfg(feature = "example")] {
run::run_benchmark::<cuprate_benchmark_example::Example>(&mut timings);
}
}
print::print_timings(&timings);
}

38
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@ -0,0 +1,38 @@
#![expect(dead_code, reason = "code hidden behind feature flags")]
use cfg_if::cfg_if;
use crate::timings::Timings;
/// Print the final the final markdown table of benchmark timings.
pub(crate) fn print_timings(timings: &Timings) {
println!("\nFinished all benchmarks, printing results:");
cfg_if! {
if #[cfg(feature = "json")] {
print_timings_json(timings);
} else {
print_timings_markdown(timings);
}
}
}
/// Default timing formatting.
pub(crate) fn print_timings_markdown(timings: &Timings) {
let mut s = String::new();
s.push_str("| Benchmark | Time (seconds) |\n");
s.push_str("|------------------------------------|----------------|");
#[expect(clippy::iter_over_hash_type)]
for (k, v) in timings {
s += &format!("\n| {k:<34} | {v:<14} |");
}
println!("\n{s}");
}
/// Enabled via `json` feature.
pub(crate) fn print_timings_json(timings: &Timings) {
let json = serde_json::to_string_pretty(timings).unwrap();
println!("\n{json}");
}

36
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@ -0,0 +1,36 @@
use tracing::{info, instrument, trace};
use cuprate_benchmark_lib::Benchmark;
use crate::timings::Timings;
/// Run a [`Benchmark`] and record its timing.
#[instrument(skip_all)]
pub(crate) fn run_benchmark<B: Benchmark>(timings: &mut Timings) {
// Get the benchmark name.
let name = B::name();
trace!("Running benchmark: {name}");
// Setup the benchmark input.
let input = B::SETUP();
// Sleep before running the benchmark.
trace!("Pre-benchmark, sleeping for: {:?}", B::POST_SLEEP_DURATION);
std::thread::sleep(B::PRE_SLEEP_DURATION);
// Run/time the benchmark.
let now = std::time::Instant::now();
B::MAIN(input);
let time = now.elapsed().as_secs_f32();
// Print the benchmark timings.
info!("{name:>34} ... {time}");
assert!(
timings.insert(name, time).is_none(),
"There were 2 benchmarks with the same name - this collides the final output: {name}",
);
// Sleep for a cooldown period after the benchmark run.
trace!("Post-benchmark, sleeping for: {:?}", B::POST_SLEEP_DURATION);
std::thread::sleep(B::POST_SLEEP_DURATION);
}

5
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@ -0,0 +1,5 @@
/// Benchmark timing data.
///
/// - Key = benchmark name
/// - Value = benchmark time in seconds
pub(crate) type Timings = std::collections::HashMap<&'static str, f32>;

17
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@ -0,0 +1,17 @@
[package]
name = "cuprate-benchmark-example"
version = "0.0.0"
edition = "2021"
description = "Example showcasing Cuprate's benchmarking harness"
license = "MIT"
authors = ["hinto-janai"]
repository = "https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/example"
keywords = ["cuprate", "benchmarking", "example"]
[dependencies]
cuprate-benchmark-lib = { path = "../lib" }
[dev-dependencies]
[lints]
workspace = true

3
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@ -0,0 +1,3 @@
## `cuprate-benchmark-example`
This crate contains a short example benchmark that shows how to implement and use
`cuprate-benchmark-lib` so that it can be ran by `cuprate-benchmark`.

42
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@ -0,0 +1,42 @@
#![doc = include_str!("../README.md")]
use std::hint::black_box;
use cuprate_benchmark_lib::Benchmark;
/// Marker struct that implements [`Benchmark`]
pub struct Example;
/// The input to our benchmark function.
pub type ExampleBenchmarkInput = u64;
/// The setup function that creates the input.
pub const fn example_benchmark_setup() -> ExampleBenchmarkInput {
1
}
/// The main benchmarking function.
#[expect(clippy::unit_arg)]
pub fn example_benchmark_main(input: ExampleBenchmarkInput) {
// In this case, we're simply benchmarking the
// performance of simple arithmetic on the input data.
fn math(input: ExampleBenchmarkInput, number: u64) {
let x = input;
let x = black_box(x * number);
let x = black_box(x / number);
let x = black_box(x + number);
let _ = black_box(x - number);
}
for number in 1..100_000_000 {
black_box(math(input, number));
}
}
// This implementation will be run by `cuprate-benchmark`.
impl Benchmark for Example {
type Input = ExampleBenchmarkInput;
const SETUP: fn() -> Self::Input = example_benchmark_setup;
const MAIN: fn(Self::Input) = example_benchmark_main;
}

18
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@ -0,0 +1,18 @@
[package]
name = "cuprate-benchmark-lib"
version = "0.0.0"
edition = "2021"
description = "Cuprate's benchmarking library"
license = "MIT"
authors = ["hinto-janai"]
repository = "https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/lib"
keywords = ["cuprate", "benchmarking", "library"]
[features]
[dependencies]
[dev-dependencies]
[lints]
workspace = true

15
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@ -0,0 +1,15 @@
## `cuprate-benchmark-lib`
This crate is the glue between
[`cuprate-benchmark`](https://github.com/Cuprate/cuprate/tree/benches/benches/benchmark/bin)
and all the benchmark crates.
It defines the [`crate::Benchmark`] trait, which is the behavior of all benchmarks.
See the [`cuprate-benchmark-example`](https://github.com/Cuprate/cuprate/tree/benches/benches/benchmark/example)
crate to see an example implementation of this trait.
After implementing this trait, a few steps must
be done such that the `cuprate-benchmark` binary
can actually run your benchmark crate; see the
[`Benchmarking` section in the Architecture book](https://architecture.cuprate.org/benchmarking/intro.html)
to see how to do this.

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@ -0,0 +1,45 @@
//! Benchmarking trait.
use std::time::Duration;
/// A benchmarking function and its inputs.
pub trait Benchmark {
/// The benchmark's name.
///
/// This is automatically implemented
/// as the name of the [`Self`] type.
//
// FIXME: use `const` instead of `fn` when stable
// <https://github.com/rust-lang/rust/issues/63084>
fn name() -> &'static str {
std::any::type_name::<Self>()
}
/// Input to the main benchmarking function.
///
/// This is passed to [`Self::MAIN`].
type Input;
/// Setup function to generate the input.
///
/// This function is not timed.
const SETUP: fn() -> Self::Input;
/// The main function to benchmark.
///
/// The start of the timer begins right before
/// this function is called and ends after the
/// function returns.
const MAIN: fn(Self::Input);
/// `cuprate-benchmark` will sleep for this [`Duration`] after
/// creating the [`Self::Input`], but before starting [`Self::MAIN`].
///
/// 1 second by default.
const PRE_SLEEP_DURATION: Duration = Duration::from_secs(1);
/// `cuprate-benchmark` will sleep for this [`Duration`] after [`Self::MAIN`].
///
/// 1 second by default.
const POST_SLEEP_DURATION: Duration = Duration::from_secs(1);
}

5
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@ -0,0 +1,5 @@
#![doc = include_str!("../README.md")]
mod benchmark;
pub use benchmark::Benchmark;

23
benches/criterion/cuprate-json-rpc/Cargo.toml Normal file
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@ -0,0 +1,23 @@
[package]
name = "cuprate-criterion-json-rpc"
version = "0.0.0"
edition = "2021"
description = "Criterion benchmarking for cuprate-json-rpc"
license = "MIT"
authors = ["hinto-janai"]
repository = "https://github.com/Cuprate/cuprate/tree/main/benches/criterion/cuprate-json-rpc"
keywords = ["cuprate", "json-rpc", "criterion", "benchmark"]
[dependencies]
cuprate-json-rpc = { workspace = true }
criterion = { workspace = true }
function_name = { workspace = true }
serde_json = { workspace = true, features = ["default"] }
[[bench]]
name = "main"
harness = false
[lints]
workspace = true

8
benches/criterion/cuprate-json-rpc/benches/main.rs Normal file
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@ -0,0 +1,8 @@
//! Benchmarks for `cuprate-json-rpc`.
#![allow(unused_crate_dependencies)]
mod response;
criterion::criterion_main! {
response::serde,
}

110
benches/criterion/cuprate-json-rpc/benches/response.rs Normal file
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@ -0,0 +1,110 @@
//! Benchmarks for [`Response`].
#![allow(unused_attributes, unused_crate_dependencies)]
use criterion::{black_box, criterion_group, criterion_main, Criterion};
use function_name::named;
use serde_json::{from_str, to_string_pretty};
use cuprate_json_rpc::{Id, Response};
// `serde` benchmarks on `Response`.
//
// These are benchmarked as `Response` has a custom serde implementation.
criterion_group! {
name = serde;
config = Criterion::default();
targets =
response_from_str_u8,
response_from_str_u64,
response_from_str_string_5_len,
response_from_str_string_10_len,
response_from_str_string_100_len,
response_from_str_string_500_len,
response_to_string_pretty_u8,
response_to_string_pretty_u64,
response_to_string_pretty_string_5_len,
response_to_string_pretty_string_10_len,
response_to_string_pretty_string_100_len,
response_to_string_pretty_string_500_len,
response_from_str_bad_field_1,
response_from_str_bad_field_5,
response_from_str_bad_field_10,
response_from_str_bad_field_100,
response_from_str_missing_field,
}
criterion_main!(serde);
/// Generate `from_str` deserialization benchmark functions for [`Response`].
macro_rules! impl_from_str_benchmark {
(
$(
$fn_name:ident => $request_type:ty => $request_string:literal,
)*
) => {
$(
#[named]
fn $fn_name(c: &mut Criterion) {
let request_string = $request_string;
c.bench_function(function_name!(), |b| {
b.iter(|| {
let _r = from_str::<Response<$request_type>>(
black_box(request_string)
);
});
});
}
)*
};
}
impl_from_str_benchmark! {
response_from_str_u8 => u8 => r#"{"jsonrpc":"2.0","id":123,"result":0}"#,
response_from_str_u64 => u64 => r#"{"jsonrpc":"2.0","id":123,"result":0}"#,
response_from_str_string_5_len => String => r#"{"jsonrpc":"2.0","id":123,"result":"hello"}"#,
response_from_str_string_10_len => String => r#"{"jsonrpc":"2.0","id":123,"result":"hellohello"}"#,
response_from_str_string_100_len => String => r#"{"jsonrpc":"2.0","id":123,"result":"helloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworld"}"#,
response_from_str_string_500_len => String => r#"{"jsonrpc":"2.0","id":123,"result":"helloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworld"}"#,
// The custom serde currently looks at all fields.
// These are for testing the performance if the serde
// has to parse through a bunch of unrelated fields.
response_from_str_bad_field_1 => u8 => r#"{"bad_field":0,"jsonrpc":"2.0","id":123,"result":0}"#,
response_from_str_bad_field_5 => u8 => r#"{"bad_field_1":0,"bad_field_2":0,"bad_field_3":0,"bad_field_4":0,"bad_field_5":0,"jsonrpc":"2.0","id":123,"result":0}"#,
response_from_str_bad_field_10 => u8 => r#"{"bad_field_1":0,"bad_field_2":0,"bad_field_3":0,"bad_field_4":0,"bad_field_5":0,"bad_field_6":0,"bad_field_7":0,"bad_field_8":0,"bad_field_9":0,"bad_field_10":0,"jsonrpc":"2.0","id":123,"result":0}"#,
response_from_str_bad_field_100 => u8 => r#"{"1":0,"2":0,"3":0,"4":0,"5":0,"6":0,"7":0,"8":0,"9":0,"10":0,"11":0,"12":0,"13":0,"14":0,"15":0,"16":0,"17":0,"18":0,"19":0,"20":0,"21":0,"22":0,"23":0,"24":0,"25":0,"26":0,"27":0,"28":0,"29":0,"30":0,"31":0,"32":0,"33":0,"34":0,"35":0,"36":0,"37":0,"38":0,"39":0,"40":0,"41":0,"42":0,"43":0,"44":0,"45":0,"46":0,"47":0,"48":0,"49":0,"50":0,"51":0,"52":0,"53":0,"54":0,"55":0,"56":0,"57":0,"58":0,"59":0,"60":0,"61":0,"62":0,"63":0,"64":0,"65":0,"66":0,"67":0,"68":0,"69":0,"70":0,"71":0,"72":0,"73":0,"74":0,"75":0,"76":0,"77":0,"78":0,"79":0,"80":0,"81":0,"82":0,"83":0,"84":0,"85":0,"86":0,"87":0,"88":0,"89":0,"90":0,"91":0,"92":0,"93":0,"94":0,"95":0,"96":0,"97":0,"98":0,"99":0,"100":0,"jsonrpc":"2.0","id":123,"result":0}"#,
// These are missing the `jsonrpc` field.
response_from_str_missing_field => u8 => r#"{"id":123,"result":0}"#,
}
/// Generate `to_string_pretty` serialization benchmark functions for [`Response`].
macro_rules! impl_to_string_pretty_benchmark {
(
$(
$fn_name:ident => $request_constructor:expr_2021,
)*
) => {
$(
#[named]
fn $fn_name(c: &mut Criterion) {
let request = $request_constructor;
c.bench_function(function_name!(), |b| {
b.iter(|| {
let _s = to_string_pretty(black_box(&request)).unwrap();
});
});
}
)*
};
}
impl_to_string_pretty_benchmark! {
response_to_string_pretty_u8 => Response::<u8>::ok(Id::Null, 0),
response_to_string_pretty_u64 => Response::<u64>::ok(Id::Null, 0),
response_to_string_pretty_string_5_len => Response::ok(Id::Null, String::from("hello")),
response_to_string_pretty_string_10_len => Response::ok(Id::Null, String::from("hellohello")),
response_to_string_pretty_string_100_len => Response::ok(Id::Null, String::from("helloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworld")),
response_to_string_pretty_string_500_len => Response::ok(Id::Null, String::from("helloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworld")),
}

2
benches/criterion/cuprate-json-rpc/src/lib.rs Normal file
View file

@ -0,0 +1,2 @@
//! Benchmark lib for `cuprate-json-rpc`.
#![allow(unused_crate_dependencies, reason = "used in benchmarks")]

21
benches/criterion/example/Cargo.toml Normal file
View file

@ -0,0 +1,21 @@
[package]
name = "cuprate-criterion-example"
version = "0.0.0"
edition = "2021"
description = "Criterion benchmarking example for Cuprate"
license = "MIT"
authors = ["hinto-janai"]
repository = "https://github.com/Cuprate/cuprate/tree/main/benches/criterion/example"
keywords = ["cuprate", "criterion", "benchmark", "example"]
[dependencies]
criterion = { workspace = true }
function_name = { workspace = true }
serde_json = { workspace = true, features = ["default"] }
[[bench]]
name = "main"
harness = false
[lints]
workspace = true

14
benches/criterion/example/README.md Normal file
View file

@ -0,0 +1,14 @@
## `cuprate-criterion-example`
An example of using Criterion for benchmarking Cuprate crates.
Consider copy+pasting this crate to use as a base when creating new Criterion benchmark crates.
## `src/`
Benchmark crates have a `benches/` ran by `cargo bench`, but they are also crates themselves,
as in, they have a `src` folder that `benches/` can pull code from.
The `src` directories in these benchmarking crates are usually filled with
helper functions, types, etc, that are used repeatedly in the benchmarks.
## `benches/`
These are the actual benchmarks ran by `cargo bench`.

48
benches/criterion/example/benches/example.rs Normal file
View file

@ -0,0 +1,48 @@
//! Benchmarks.
#![allow(unused_attributes, unused_crate_dependencies)]
use criterion::{black_box, criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};
use function_name::named;
use cuprate_criterion_example::SomeHardToCreateObject;
// This is how you register criterion benchmarks.
criterion_group! {
name = benches;
config = Criterion::default();
targets = benchmark_1, benchmark_range,
}
criterion_main!(benches);
/// Benchmark a single input.
///
/// <https://bheisler.github.io/criterion.rs/book/user_guide/benchmarking_with_inputs.html#benchmarking-with-one-input>
#[named]
fn benchmark_1(c: &mut Criterion) {
// It is recommended to use `function_name!()` as a benchmark
// identifier instead of manually re-typing the function name.
c.bench_function(function_name!(), |b| {
b.iter(|| {
black_box(SomeHardToCreateObject::from(1));
});
});
}
/// Benchmark a range of inputs.
///
/// <https://bheisler.github.io/criterion.rs/book/user_guide/benchmarking_with_inputs.html#benchmarking-with-a-range-of-values>
#[named]
fn benchmark_range(c: &mut Criterion) {
let mut group = c.benchmark_group(function_name!());
for i in 0..4 {
group.throughput(Throughput::Elements(i));
group.bench_with_input(BenchmarkId::from_parameter(i), &i, |b, &i| {
b.iter(|| {
black_box(SomeHardToCreateObject::from(i));
});
});
}
group.finish();
}

10
benches/criterion/example/benches/main.rs Normal file
View file

@ -0,0 +1,10 @@
//! Benchmarks examples.
#![allow(unused_crate_dependencies)]
// All modules within `benches/` are `mod`ed here.
mod example;
// And all the Criterion benchmarks are registered like so:
criterion::criterion_main! {
example::benches,
}

13
benches/criterion/example/src/lib.rs Normal file
View file

@ -0,0 +1,13 @@
#![doc = include_str!("../README.md")] // See the README for crate documentation.
#![allow(unused_crate_dependencies, reason = "used in benchmarks")]
/// Shared type that all benchmarks can use.
#[expect(dead_code)]
pub struct SomeHardToCreateObject(u64);
impl From<u64> for SomeHardToCreateObject {
/// Shared function that all benchmarks can use.
fn from(value: u64) -> Self {
Self(value)
}
}

59
binaries/cuprated/Cargo.toml
View file

@ -2,7 +2,7 @@
name = "cuprated" name = "cuprated"
version = "0.0.1" version = "0.0.1"
edition = "2021" edition = "2021"
description = "The Cuprate Monero Rust node." description = "The Cuprate Rust Monero node."
license = "AGPL-3.0-only" license = "AGPL-3.0-only"
authors = ["Boog900", "hinto-janai", "SyntheticBird45"] authors = ["Boog900", "hinto-janai", "SyntheticBird45"]
repository = "https://github.com/Cuprate/cuprate/tree/main/binaries/cuprated" repository = "https://github.com/Cuprate/cuprate/tree/main/binaries/cuprated"
@ -12,29 +12,29 @@ repository = "https://github.com/Cuprate/cuprate/tree/main/binaries/cuprated"
cuprate-consensus = { workspace = true } cuprate-consensus = { workspace = true }
cuprate-fast-sync = { workspace = true } cuprate-fast-sync = { workspace = true }
cuprate-consensus-context = { workspace = true } cuprate-consensus-context = { workspace = true }
cuprate-consensus-rules = { workspace = true } cuprate-consensus-rules = { workspace = true }
cuprate-constants = { workspace = true } cuprate-cryptonight = { workspace = true }
cuprate-cryptonight = { workspace = true } cuprate-helper = { workspace = true, features = ["serde"] }
cuprate-helper = { workspace = true } cuprate-epee-encoding = { workspace = true }
cuprate-epee-encoding = { workspace = true } cuprate-fixed-bytes = { workspace = true }
cuprate-fixed-bytes = { workspace = true } cuprate-levin = { workspace = true }
cuprate-levin = { workspace = true } cuprate-wire = { workspace = true }
cuprate-wire = { workspace = true } cuprate-p2p = { workspace = true }
cuprate-p2p = { workspace = true } cuprate-p2p-core = { workspace = true }
cuprate-p2p-core = { workspace = true } cuprate-dandelion-tower = { workspace = true, features = ["txpool"] }
cuprate-dandelion-tower = { workspace = true, features = ["txpool"] } cuprate-async-buffer = { workspace = true }
cuprate-async-buffer = { workspace = true } cuprate-address-book = { workspace = true }
cuprate-address-book = { workspace = true } cuprate-blockchain = { workspace = true }
cuprate-blockchain = { workspace = true } cuprate-database-service = { workspace = true, features = ["serde"] }
cuprate-database-service = { workspace = true } cuprate-txpool = { workspace = true }
cuprate-txpool = { workspace = true } cuprate-database = { workspace = true, features = ["serde"] }
cuprate-database = { workspace = true } cuprate-pruning = { workspace = true }
cuprate-pruning = { workspace = true } cuprate-test-utils = { workspace = true }
cuprate-test-utils = { workspace = true } cuprate-types = { workspace = true }
cuprate-types = { workspace = true } cuprate-json-rpc = { workspace = true }
cuprate-json-rpc = { workspace = true } cuprate-rpc-interface = { workspace = true }
cuprate-rpc-interface = { workspace = true } cuprate-rpc-types = { workspace = true }
cuprate-rpc-types = { workspace = true }
# TODO: after v1.0.0, remove unneeded dependencies. # TODO: after v1.0.0, remove unneeded dependencies.
anyhow = { workspace = true } anyhow = { workspace = true }
@ -44,7 +44,7 @@ borsh = { workspace = true }
bytemuck = { workspace = true } bytemuck = { workspace = true }
bytes = { workspace = true } bytes = { workspace = true }
cfg-if = { workspace = true } cfg-if = { workspace = true }
clap = { workspace = true, features = ["cargo"] } clap = { workspace = true, features = ["cargo", "help", "wrap_help"] }
chrono = { workspace = true } chrono = { workspace = true }
crypto-bigint = { workspace = true } crypto-bigint = { workspace = true }
crossbeam = { workspace = true } crossbeam = { workspace = true }
@ -71,15 +71,10 @@ thread_local = { workspace = true }
tokio-util = { workspace = true } tokio-util = { workspace = true }
tokio-stream = { workspace = true } tokio-stream = { workspace = true }
tokio = { workspace = true } tokio = { workspace = true }
toml = { workspace = true, features = ["parse", "display"]}
tower = { workspace = true } tower = { workspace = true }
tracing-subscriber = { workspace = true, features = ["std", "fmt", "default"] } tracing-subscriber = { workspace = true, features = ["std", "fmt", "default"] }
tracing = { workspace = true } tracing = { workspace = true, features = ["default"] }
[lints] [lints]
workspace = true workspace = true
[profile.dev]
panic = "abort"
[profile.release]
panic = "abort"

67
binaries/cuprated/Cuprated.toml Normal file
View file

@ -0,0 +1,67 @@
# ____ _
# / ___| _ _ __ _ __ __ _| |_ ___
# | | | | | | '_ \| '__/ _` | __/ _ \
# | |__| |_| | |_) | | | (_| | || __/
# \____\__,_| .__/|_| \__,_|\__\___|
# |_|
#
## The network to run on, valid values: "Mainnet", "Testnet", "Stagenet".
network = "Mainnet"
## Tracing config.
[tracing]
## The minimum level for log events to be displayed.
level = "info"
## Clear-net config.
[p2p.clear_net]
## The number of outbound connections we should make and maintain.
outbound_connections = 64
## The number of extra connections we should make under load from the rest of Cuprate, i.e. when syncing.
extra_outbound_connections = 8
## The maximum number of incoming we should allow.
max_inbound_connections = 128
## The percent of outbound connections that should be to nodes we have not connected to before.
gray_peers_percent = 0.7
## The port to accept connections on, if left `0` no connections will be accepted.
p2p_port = 0
## The IP address to listen to connections on.
listen_on = "0.0.0.0"
## The Clear-net addressbook config.
[p2p.clear_net.address_book_config]
## The size of the white peer list, which contains peers we have made a connection to before.
max_white_list_length = 1_000
## The size of the gray peer list, which contains peers we have not made a connection to before.
max_gray_list_length = 5_000
## The amount of time between address book saves.
peer_save_period = { secs = 90, nanos = 0 }
## The block downloader config.
[p2p.block_downloader]
## The size of the buffer of sequential blocks waiting to be verified and added to the chain (bytes).
buffer_bytes = 50_000_000
## The size of the queue of blocks which are waiting for a parent block to be downloaded (bytes).
in_progress_queue_bytes = 50_000_000
## The target size of a batch of blocks (bytes), must not exceed 100MB.
target_batch_bytes= 5_000_000
## The amount of time between checking the pool of connected peers for free peers to download blocks.
check_client_pool_interval = { secs = 30, nanos = 0 }
## Storage config
[storage]
## The amount of reader threads to spawn.
reader_threads = "OnePerThread"
## Txpool storage config.
[storage.txpool]
## The database sync mode for the txpool.
sync_mode = "Async"
## The maximum size of all the txs in the pool (bytes).
max_txpool_byte_size = 100_000_000
## Blockchain storage config.
[storage.blockchain]
## The database sync mode for the blockchain.
sync_mode = "Async"

27
binaries/cuprated/src/blockchain/syncer.rs
View file

@ -12,7 +12,7 @@ use tracing::instrument;
use cuprate_consensus::{BlockChainContext, BlockChainContextRequest, BlockChainContextResponse}; use cuprate_consensus::{BlockChainContext, BlockChainContextRequest, BlockChainContextResponse};
use cuprate_p2p::{ use cuprate_p2p::{
block_downloader::{BlockBatch, BlockDownloaderConfig, ChainSvcRequest, ChainSvcResponse}, block_downloader::{BlockBatch, BlockDownloaderConfig, ChainSvcRequest, ChainSvcResponse},
NetworkInterface, NetworkInterface, PeerSetRequest, PeerSetResponse,
}; };
use cuprate_p2p_core::ClearNet; use cuprate_p2p_core::ClearNet;
@ -28,15 +28,11 @@ pub enum SyncerError {
} }
/// The syncer tasks that makes sure we are fully synchronised with our connected peers. /// The syncer tasks that makes sure we are fully synchronised with our connected peers.
#[expect(
clippy::significant_drop_tightening,
reason = "Client pool which will be removed"
)]
#[instrument(level = "debug", skip_all)] #[instrument(level = "debug", skip_all)]
pub async fn syncer<C, CN>( pub async fn syncer<C, CN>(
mut context_svc: C, mut context_svc: C,
our_chain: CN, our_chain: CN,
clearnet_interface: NetworkInterface<ClearNet>, mut clearnet_interface: NetworkInterface<ClearNet>,
incoming_block_batch_tx: mpsc::Sender<BlockBatch>, incoming_block_batch_tx: mpsc::Sender<BlockBatch>,
stop_current_block_downloader: Arc<Notify>, stop_current_block_downloader: Arc<Notify>,
block_downloader_config: BlockDownloaderConfig, block_downloader_config: BlockDownloaderConfig,
@ -67,8 +63,6 @@ where
unreachable!(); unreachable!();
}; };
let client_pool = clearnet_interface.client_pool();
tracing::debug!("Waiting for new sync info in top sync channel"); tracing::debug!("Waiting for new sync info in top sync channel");
loop { loop {
@ -79,9 +73,20 @@ where
check_update_blockchain_context(&mut context_svc, &mut blockchain_ctx).await?; check_update_blockchain_context(&mut context_svc, &mut blockchain_ctx).await?;
let raw_blockchain_context = blockchain_ctx.unchecked_blockchain_context(); let raw_blockchain_context = blockchain_ctx.unchecked_blockchain_context();
if !client_pool.contains_client_with_more_cumulative_difficulty( let PeerSetResponse::MostPoWSeen {
raw_blockchain_context.cumulative_difficulty, cumulative_difficulty,
) { ..
} = clearnet_interface
.peer_set()
.ready()
.await?
.call(PeerSetRequest::MostPoWSeen)
.await?
else {
unreachable!();
};
if cumulative_difficulty <= raw_blockchain_context.cumulative_difficulty {
continue; continue;
} }

158
binaries/cuprated/src/config.rs
View file

@ -1 +1,159 @@
//! cuprated config //! cuprated config
use std::{
fs::{read_to_string, File},
io,
path::Path,
time::Duration,
};
use clap::Parser;
use serde::{Deserialize, Serialize};
use cuprate_consensus::ContextConfig;
use cuprate_helper::{
fs::{CUPRATE_CONFIG_DIR, DEFAULT_CONFIG_FILE_NAME},
network::Network,
};
use cuprate_p2p::block_downloader::BlockDownloaderConfig;
use cuprate_p2p_core::{ClearNet, ClearNetServerCfg};
mod args;
mod fs;
mod p2p;
mod storage;
mod tracing_config;
use crate::config::fs::FileSystemConfig;
use p2p::P2PConfig;
use storage::StorageConfig;
use tracing_config::TracingConfig;
/// Reads the args & config file, returning a [`Config`].
pub fn read_config_and_args() -> Config {
let args = args::Args::parse();
args.do_quick_requests();
let config: Config = if let Some(config_file) = &args.config_file {
// If a config file was set in the args try to read it and exit if we can't.
match Config::read_from_path(config_file) {
Ok(config) => config,
Err(e) => {
eprintln!("Failed to read config from file: {e}");
std::process::exit(1);
}
}
} else {
// First attempt to read the config file from the current directory.
std::env::current_dir()
.map(|path| path.join(DEFAULT_CONFIG_FILE_NAME))
.map_err(Into::into)
.and_then(Config::read_from_path)
.inspect_err(|e| tracing::debug!("Failed to read config from current dir: {e}"))
// otherwise try the main config directory.
.or_else(|_| {
let file = CUPRATE_CONFIG_DIR.join(DEFAULT_CONFIG_FILE_NAME);
Config::read_from_path(file)
})
.inspect_err(|e| {
tracing::debug!("Failed to read config from config dir: {e}");
eprintln!("Failed to find/read config file, using default config.");
})
.unwrap_or_default()
};
args.apply_args(config)
}
/// The config for all of Cuprate.
#[derive(Default, Deserialize, Serialize)]
#[serde(deny_unknown_fields, default)]
pub struct Config {
/// The network we should run on.
network: Network,
/// [`tracing`] config.
tracing: TracingConfig,
/// The P2P network config.
p2p: P2PConfig,
/// The storage config.
storage: StorageConfig,
fs: FileSystemConfig,
}
impl Config {
/// Attempts to read a config file in [`toml`] format from the given [`Path`].
///
/// # Errors
///
/// Will return an [`Err`] if the file cannot be read or if the file is not a valid [`toml`] config.
fn read_from_path(file: impl AsRef<Path>) -> Result<Self, anyhow::Error> {
let file_text = read_to_string(file.as_ref())?;
Ok(toml::from_str(&file_text)
.inspect(|_| eprintln!("Using config at: {}", file.as_ref().to_string_lossy()))
.inspect_err(|e| {
eprintln!("{e}");
eprintln!(
"Failed to parse config file at: {}",
file.as_ref().to_string_lossy()
);
})?)
}
/// Returns the current [`Network`] we are running on.
pub const fn network(&self) -> Network {
self.network
}
/// The [`ClearNet`], [`cuprate_p2p::P2PConfig`].
pub fn clearnet_p2p_config(&self) -> cuprate_p2p::P2PConfig<ClearNet> {
cuprate_p2p::P2PConfig {
network: self.network,
seeds: p2p::clear_net_seed_nodes(self.network),
outbound_connections: self.p2p.clear_net.general.outbound_connections,
extra_outbound_connections: self.p2p.clear_net.general.extra_outbound_connections,
max_inbound_connections: self.p2p.clear_net.general.max_inbound_connections,
gray_peers_percent: self.p2p.clear_net.general.gray_peers_percent,
server_config: Some(ClearNetServerCfg {
ip: self.p2p.clear_net.listen_on,
}),
p2p_port: self.p2p.clear_net.general.p2p_port,
// TODO: set this if a public RPC server is set.
rpc_port: 0,
address_book_config: self
.p2p
.clear_net
.general
.address_book_config(&self.fs.cache_directory, self.network),
}
}
/// The [`ContextConfig`].
pub const fn context_config(&self) -> ContextConfig {
match self.network {
Network::Mainnet => ContextConfig::main_net(),
Network::Stagenet => ContextConfig::stage_net(),
Network::Testnet => ContextConfig::test_net(),
}
}
/// The [`cuprate_blockchain`] config.
pub fn blockchain_config(&self) -> cuprate_blockchain::config::Config {
let blockchain = &self.storage.blockchain;
// We don't set reader threads as we manually make the reader threadpool.
cuprate_blockchain::config::ConfigBuilder::default()
.network(self.network)
.data_directory(self.fs.data_directory.clone())
.sync_mode(blockchain.shared.sync_mode)
.build()
}
/// The [`BlockDownloaderConfig`].
pub fn block_downloader_config(&self) -> BlockDownloaderConfig {
self.p2p.block_downloader.clone().into()
}
}

55
binaries/cuprated/src/config/args.rs Normal file
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@ -0,0 +1,55 @@
use std::{io::Write, path::PathBuf, process::exit};
use clap::builder::TypedValueParser;
use cuprate_helper::network::Network;
use crate::{config::Config, constants::EXAMPLE_CONFIG};
/// Cuprate Args.
#[derive(clap::Parser, Debug)]
#[command(version, about)]
pub struct Args {
/// The network to run on.
#[arg(
long,
default_value_t = Network::Mainnet,
value_parser = clap::builder::PossibleValuesParser::new(["mainnet", "testnet", "stagenet"])
.map(|s| s.parse::<Network>().unwrap()),
)]
pub network: Network,
/// The amount of outbound clear-net connections to maintain.
#[arg(long)]
pub outbound_connections: Option<usize>,
/// The PATH of the `cuprated` config file.
#[arg(long)]
pub config_file: Option<PathBuf>,
/// Generate a config file and print it to stdout.
#[arg(long)]
pub generate_config: bool,
}
impl Args {
/// Complete any quick requests asked for in [`Args`].
///
/// May cause the process to [`exit`].
pub fn do_quick_requests(&self) {
if self.generate_config {
println!("{EXAMPLE_CONFIG}");
exit(0);
}
}
/// Apply the [`Args`] to the given [`Config`].
///
/// This may exit the program if a config value was set that requires an early exit.
pub const fn apply_args(&self, mut config: Config) -> Config {
config.network = self.network;
if let Some(outbound_connections) = self.outbound_connections {
config.p2p.clear_net.general.outbound_connections = outbound_connections;
}
config
}
}

21
binaries/cuprated/src/config/fs.rs Normal file
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@ -0,0 +1,21 @@
use std::path::PathBuf;
use serde::{Deserialize, Serialize};
use cuprate_helper::fs::{CUPRATE_CACHE_DIR, CUPRATE_DATA_DIR};
#[derive(Deserialize, Serialize)]
#[serde(deny_unknown_fields, default)]
pub struct FileSystemConfig {
pub data_directory: PathBuf,
pub cache_directory: PathBuf,
}
impl Default for FileSystemConfig {
fn default() -> Self {
Self {
data_directory: CUPRATE_DATA_DIR.to_path_buf(),
cache_directory: CUPRATE_CACHE_DIR.to_path_buf(),
}
}
}

178
binaries/cuprated/src/config/p2p.rs Normal file
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@ -0,0 +1,178 @@
use std::{
net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr},
path::Path,
time::Duration,
};
use serde::{Deserialize, Serialize};
use cuprate_helper::{fs::address_book_path, network::Network};
/// P2P config.
#[derive(Default, Deserialize, Serialize)]
#[serde(deny_unknown_fields, default)]
pub struct P2PConfig {
/// Clear-net config.
pub clear_net: ClearNetConfig,
/// Block downloader config.
pub block_downloader: BlockDownloaderConfig,
}
#[derive(Clone, Deserialize, Serialize)]
#[serde(deny_unknown_fields, default)]
pub struct BlockDownloaderConfig {
/// The size in bytes of the buffer between the block downloader and the place which
/// is consuming the downloaded blocks.
pub buffer_bytes: usize,
/// The size of the in progress queue (in bytes) at which we stop requesting more blocks.
pub in_progress_queue_bytes: usize,
/// The [`Duration`] between checking the client pool for free peers.
pub check_client_pool_interval: Duration,
/// The target size of a single batch of blocks (in bytes).
pub target_batch_bytes: usize,
}
impl From<BlockDownloaderConfig> for cuprate_p2p::block_downloader::BlockDownloaderConfig {
fn from(value: BlockDownloaderConfig) -> Self {
Self {
buffer_bytes: value.buffer_bytes,
in_progress_queue_bytes: value.in_progress_queue_bytes,
check_client_pool_interval: value.check_client_pool_interval,
target_batch_bytes: value.target_batch_bytes,
initial_batch_len: 1,
}
}
}
impl Default for BlockDownloaderConfig {
fn default() -> Self {
Self {
buffer_bytes: 50_000_000,
in_progress_queue_bytes: 50_000_000,
check_client_pool_interval: Duration::from_secs(30),
target_batch_bytes: 5_000_000,
}
}
}
/// The config values for P2P clear-net.
#[derive(Deserialize, Serialize)]
#[serde(deny_unknown_fields, default)]
pub struct ClearNetConfig {
/// The server config.
pub listen_on: IpAddr,
#[serde(flatten)]
pub general: SharedNetConfig,
}
impl Default for ClearNetConfig {
fn default() -> Self {
Self {
listen_on: IpAddr::V4(Ipv4Addr::UNSPECIFIED),
general: Default::default(),
}
}
}
/// Network config values shared between all network zones.
#[derive(Deserialize, Serialize)]
#[serde(deny_unknown_fields, default)]
pub struct SharedNetConfig {
/// The number of outbound connections to make and try keep.
pub outbound_connections: usize,
/// The amount of extra connections we can make if we are under load from the rest of Cuprate.
pub extra_outbound_connections: usize,
/// The maximum amount of inbound connections
pub max_inbound_connections: usize,
/// The percent of connections that should be to peers we haven't connected to before.
pub gray_peers_percent: f64,
/// port to use to accept p2p connections.
pub p2p_port: u16,
/// The address book config.
address_book_config: AddressBookConfig,
}
impl SharedNetConfig {
/// Returns the [`AddressBookConfig`].
pub fn address_book_config(
&self,
cache_dir: &Path,
network: Network,
) -> cuprate_address_book::AddressBookConfig {
cuprate_address_book::AddressBookConfig {
max_white_list_length: self.address_book_config.max_white_list_length,
max_gray_list_length: self.address_book_config.max_gray_list_length,
peer_store_directory: address_book_path(cache_dir, network),
peer_save_period: self.address_book_config.peer_save_period,
}
}
}
impl Default for SharedNetConfig {
fn default() -> Self {
Self {
outbound_connections: 64,
extra_outbound_connections: 8,
max_inbound_connections: 128,
gray_peers_percent: 0.7,
p2p_port: 0,
address_book_config: AddressBookConfig::default(),
}
}
}
#[derive(Deserialize, Serialize)]
#[serde(deny_unknown_fields, default)]
pub struct AddressBookConfig {
max_white_list_length: usize,
max_gray_list_length: usize,
peer_save_period: Duration,
}
impl Default for AddressBookConfig {
fn default() -> Self {
Self {
max_white_list_length: 1_000,
max_gray_list_length: 5_000,
peer_save_period: Duration::from_secs(30),
}
}
}
/// Seed nodes for [`ClearNet`](cuprate_p2p_core::ClearNet).
pub fn clear_net_seed_nodes(network: Network) -> Vec<SocketAddr> {
let seeds = match network {
Network::Mainnet => [
"176.9.0.187:18080",
"88.198.163.90:18080",
"66.85.74.134:18080",
"51.79.173.165:18080",
"192.99.8.110:18080",
"37.187.74.171:18080",
"77.172.183.193:18080",
]
.as_slice(),
Network::Stagenet => [
"176.9.0.187:38080",
"51.79.173.165:38080",
"192.99.8.110:38080",
"37.187.74.171:38080",
"77.172.183.193:38080",
]
.as_slice(),
Network::Testnet => [
"176.9.0.187:28080",
"51.79.173.165:28080",
"192.99.8.110:28080",
"37.187.74.171:28080",
"77.172.183.193:28080",
]
.as_slice(),
};
seeds
.iter()
.map(|s| s.parse())
.collect::<Result<_, _>>()
.unwrap()
}

67
binaries/cuprated/src/config/storage.rs Normal file
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@ -0,0 +1,67 @@
use std::path::PathBuf;
use serde::{Deserialize, Serialize};
use cuprate_database::config::SyncMode;
use cuprate_database_service::ReaderThreads;
use cuprate_helper::fs::CUPRATE_DATA_DIR;
/// The storage config.
#[derive(Default, Deserialize, Serialize)]
#[serde(deny_unknown_fields, default)]
pub struct StorageConfig {
/// The amount of reader threads to spawn between the tx-pool and blockchain.
pub reader_threads: ReaderThreads,
/// The tx-pool config.
pub txpool: TxpoolConfig,
/// The blockchain config.
pub blockchain: BlockchainConfig,
}
/// The blockchain config.
#[derive(Deserialize, Serialize)]
#[serde(deny_unknown_fields, default)]
pub struct BlockchainConfig {
#[serde(flatten)]
pub shared: SharedStorageConfig,
}
impl Default for BlockchainConfig {
fn default() -> Self {
Self {
shared: SharedStorageConfig {
sync_mode: SyncMode::Async,
},
}
}
}
/// The tx-pool config.
#[derive(Deserialize, Serialize)]
#[serde(deny_unknown_fields, default)]
pub struct TxpoolConfig {
#[serde(flatten)]
pub shared: SharedStorageConfig,
/// The maximum size of the tx-pool.
pub max_txpool_byte_size: usize,
}
impl Default for TxpoolConfig {
fn default() -> Self {
Self {
shared: SharedStorageConfig {
sync_mode: SyncMode::Async,
},
max_txpool_byte_size: 100_000_000,
}
}
}
/// Config values shared between the tx-pool and blockchain.
#[derive(Default, Deserialize, Serialize)]
#[serde(deny_unknown_fields, default)]
pub struct SharedStorageConfig {
/// The [`SyncMode`] of the database.
pub sync_mode: SyncMode,
}

42
binaries/cuprated/src/config/tracing_config.rs Normal file
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@ -0,0 +1,42 @@
use serde::{Deserialize, Serialize};
use tracing::level_filters::LevelFilter;
/// [`tracing`] config.
#[derive(Deserialize, Serialize)]
#[serde(deny_unknown_fields, default)]
pub struct TracingConfig {
/// The default minimum log level.
#[serde(with = "level_filter_serde")]
level: LevelFilter,
}
impl Default for TracingConfig {
fn default() -> Self {
Self {
level: LevelFilter::INFO,
}
}
}
mod level_filter_serde {
use std::str::FromStr;
use serde::{Deserialize, Deserializer, Serializer};
use tracing::level_filters::LevelFilter;
#[expect(clippy::trivially_copy_pass_by_ref, reason = "serde")]
pub fn serialize<S>(level_filter: &LevelFilter, s: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
s.serialize_str(&level_filter.to_string())
}
pub fn deserialize<'de, D>(d: D) -> Result<LevelFilter, D::Error>
where
D: Deserializer<'de>,
{
let s = String::deserialize(d)?;
LevelFilter::from_str(&s).map_err(serde::de::Error::custom)
}
}

8
binaries/cuprated/src/constants.rs
View file

@ -18,9 +18,12 @@ pub const VERSION_BUILD: &str = if cfg!(debug_assertions) {
pub const PANIC_CRITICAL_SERVICE_ERROR: &str = pub const PANIC_CRITICAL_SERVICE_ERROR: &str =
"A service critical to Cuprate's function returned an unexpected error."; "A service critical to Cuprate's function returned an unexpected error.";
pub const EXAMPLE_CONFIG: &str = include_str!("../Cuprated.toml");
#[cfg(test)] #[cfg(test)]
mod test { mod test {
use super::*; use super::*;
use crate::config::Config;
#[test] #[test]
fn version() { fn version() {
@ -35,4 +38,9 @@ mod test {
assert_eq!(VERSION_BUILD, "0.0.1-release"); assert_eq!(VERSION_BUILD, "0.0.1-release");
} }
} }
#[test]
fn generate_config_text_is_valid() {
let config: Config = toml::from_str(EXAMPLE_CONFIG).unwrap();
}
} }

2
binaries/cuprated/src/main.rs
View file

@ -29,6 +29,8 @@ fn main() {
// Initialize global static `LazyLock` data. // Initialize global static `LazyLock` data.
statics::init_lazylock_statics(); statics::init_lazylock_statics();
let _config = config::read_config_and_args();
// TODO: everything else. // TODO: everything else.
todo!() todo!()
} }

49
binaries/cuprated/src/p2p.rs
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@ -1,8 +1,57 @@
//! P2P //! P2P
//! //!
//! Will handle initiating the P2P and contains a protocol request handler. //! Will handle initiating the P2P and contains a protocol request handler.
use futures::{FutureExt, TryFutureExt};
use tokio::sync::oneshot;
use tower::ServiceExt;
use cuprate_blockchain::service::BlockchainReadHandle;
use cuprate_consensus::BlockChainContextService;
use cuprate_p2p::{NetworkInterface, P2PConfig};
use cuprate_p2p_core::ClearNet;
use cuprate_txpool::service::TxpoolReadHandle;
use crate::txpool::IncomingTxHandler;
mod core_sync_service;
mod network_address; mod network_address;
pub mod request_handler; pub mod request_handler;
pub use network_address::CrossNetworkInternalPeerId; pub use network_address::CrossNetworkInternalPeerId;
/// Starts the P2P clearnet network, returning a [`NetworkInterface`] to interact with it.
///
/// A [`oneshot::Sender`] is also returned to provide the [`IncomingTxHandler`], until this is provided network
/// handshakes can not be completed.
pub async fn start_clearnet_p2p(
blockchain_read_handle: BlockchainReadHandle,
blockchain_context_service: BlockChainContextService,
txpool_read_handle: TxpoolReadHandle,
config: P2PConfig<ClearNet>,
) -> Result<
(
NetworkInterface<ClearNet>,
oneshot::Sender<IncomingTxHandler>,
),
tower::BoxError,
> {
let (incoming_tx_handler_tx, incoming_tx_handler_rx) = oneshot::channel();
let request_handler_maker = request_handler::P2pProtocolRequestHandlerMaker {
blockchain_read_handle,
blockchain_context_service: blockchain_context_service.clone(),
txpool_read_handle,
incoming_tx_handler: None,
incoming_tx_handler_fut: incoming_tx_handler_rx.shared(),
};
Ok((
cuprate_p2p::initialize_network(
request_handler_maker.map_response(|s| s.map_err(Into::into)),
core_sync_service::CoreSyncService(blockchain_context_service),
config,
)
.await?,
incoming_tx_handler_tx,
))
}

49
binaries/cuprated/src/p2p/core_sync_service.rs Normal file
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@ -0,0 +1,49 @@
use std::task::{Context, Poll};
use futures::{future::BoxFuture, FutureExt, TryFutureExt};
use tower::Service;
use cuprate_consensus::{
BlockChainContextRequest, BlockChainContextResponse, BlockChainContextService,
};
use cuprate_helper::{cast::usize_to_u64, map::split_u128_into_low_high_bits};
use cuprate_p2p_core::services::{CoreSyncDataRequest, CoreSyncDataResponse};
use cuprate_wire::CoreSyncData;
/// The core sync service.
#[derive(Clone)]
pub struct CoreSyncService(pub BlockChainContextService);
impl Service<CoreSyncDataRequest> for CoreSyncService {
type Response = CoreSyncDataResponse;
type Error = tower::BoxError;
type Future = BoxFuture<'static, Result<Self::Response, Self::Error>>;
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
self.0.poll_ready(cx)
}
fn call(&mut self, _: CoreSyncDataRequest) -> Self::Future {
self.0
.call(BlockChainContextRequest::Context)
.map_ok(|res| {
let BlockChainContextResponse::Context(context) = res else {
unreachable!()
};
let context = context.unchecked_blockchain_context();
let (cumulative_difficulty, cumulative_difficulty_top64) =
split_u128_into_low_high_bits(context.cumulative_difficulty);
CoreSyncDataResponse(CoreSyncData {
cumulative_difficulty,
cumulative_difficulty_top64,
current_height: usize_to_u64(context.chain_height),
pruning_seed: 0,
top_id: context.top_hash,
top_version: context.current_hf.as_u8(),
})
})
.boxed()
}
}

421
binaries/cuprated/src/p2p/request_handler.rs
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@ -1 +1,422 @@
use std::{
collections::HashSet,
future::{ready, Ready},
hash::Hash,
task::{Context, Poll},
};
use bytes::Bytes;
use futures::{
future::{BoxFuture, Shared},
FutureExt,
};
use monero_serai::{block::Block, transaction::Transaction};
use tokio::sync::{broadcast, oneshot, watch};
use tokio_stream::wrappers::WatchStream;
use tower::{Service, ServiceExt};
use cuprate_blockchain::service::BlockchainReadHandle;
use cuprate_consensus::{
transactions::new_tx_verification_data, BlockChainContextRequest, BlockChainContextResponse,
BlockChainContextService,
};
use cuprate_dandelion_tower::TxState;
use cuprate_fixed_bytes::ByteArrayVec;
use cuprate_helper::cast::u64_to_usize;
use cuprate_helper::{
asynch::rayon_spawn_async,
cast::usize_to_u64,
map::{combine_low_high_bits_to_u128, split_u128_into_low_high_bits},
};
use cuprate_p2p::constants::{
MAX_BLOCKS_IDS_IN_CHAIN_ENTRY, MAX_BLOCK_BATCH_LEN, MAX_TRANSACTION_BLOB_SIZE, MEDIUM_BAN,
};
use cuprate_p2p_core::{
client::{InternalPeerID, PeerInformation},
NetZoneAddress, NetworkZone, ProtocolRequest, ProtocolResponse,
};
use cuprate_txpool::service::TxpoolReadHandle;
use cuprate_types::{
blockchain::{BlockchainReadRequest, BlockchainResponse},
BlockCompleteEntry, TransactionBlobs, TxsInBlock,
};
use cuprate_wire::protocol::{
ChainRequest, ChainResponse, FluffyMissingTransactionsRequest, GetObjectsRequest,
GetObjectsResponse, NewFluffyBlock, NewTransactions,
};
use crate::{
blockchain::interface::{self as blockchain_interface, IncomingBlockError},
constants::PANIC_CRITICAL_SERVICE_ERROR,
p2p::CrossNetworkInternalPeerId,
txpool::{IncomingTxError, IncomingTxHandler, IncomingTxs},
};
/// The P2P protocol request handler [`MakeService`](tower::MakeService).
#[derive(Clone)]
pub struct P2pProtocolRequestHandlerMaker {
pub blockchain_read_handle: BlockchainReadHandle,
pub blockchain_context_service: BlockChainContextService,
pub txpool_read_handle: TxpoolReadHandle,
/// The [`IncomingTxHandler`], wrapped in an [`Option`] as there is a cyclic reference between [`P2pProtocolRequestHandlerMaker`]
/// and the [`IncomingTxHandler`].
pub incoming_tx_handler: Option<IncomingTxHandler>,
/// A [`Future`](std::future::Future) that produces the [`IncomingTxHandler`].
pub incoming_tx_handler_fut: Shared<oneshot::Receiver<IncomingTxHandler>>,
}
impl<A: NetZoneAddress> Service<PeerInformation<A>> for P2pProtocolRequestHandlerMaker
where
InternalPeerID<A>: Into<CrossNetworkInternalPeerId>,
{
type Response = P2pProtocolRequestHandler<A>;
type Error = tower::BoxError;
type Future = Ready<Result<Self::Response, Self::Error>>;
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
if self.incoming_tx_handler.is_none() {
return self
.incoming_tx_handler_fut
.poll_unpin(cx)
.map(|incoming_tx_handler| {
self.incoming_tx_handler = Some(incoming_tx_handler?);
Ok(())
});
}
Poll::Ready(Ok(()))
}
fn call(&mut self, peer_information: PeerInformation<A>) -> Self::Future {
let Some(incoming_tx_handler) = self.incoming_tx_handler.clone() else {
panic!("poll_ready was not called or did not return `Poll::Ready`")
};
// TODO: check sync info?
let blockchain_read_handle = self.blockchain_read_handle.clone();
let txpool_read_handle = self.txpool_read_handle.clone();
ready(Ok(P2pProtocolRequestHandler {
peer_information,
blockchain_read_handle,
blockchain_context_service: self.blockchain_context_service.clone(),
txpool_read_handle,
incoming_tx_handler,
}))
}
}
/// The P2P protocol request handler.
#[derive(Clone)]
pub struct P2pProtocolRequestHandler<N: NetZoneAddress> {
peer_information: PeerInformation<N>,
blockchain_read_handle: BlockchainReadHandle,
blockchain_context_service: BlockChainContextService,
txpool_read_handle: TxpoolReadHandle,
incoming_tx_handler: IncomingTxHandler,
}
impl<A: NetZoneAddress> Service<ProtocolRequest> for P2pProtocolRequestHandler<A>
where
InternalPeerID<A>: Into<CrossNetworkInternalPeerId>,
{
type Response = ProtocolResponse;
type Error = anyhow::Error;
type Future = BoxFuture<'static, Result<Self::Response, Self::Error>>;
fn poll_ready(&mut self, _: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
Poll::Ready(Ok(()))
}
fn call(&mut self, request: ProtocolRequest) -> Self::Future {
match request {
ProtocolRequest::GetObjects(r) => {
get_objects(r, self.blockchain_read_handle.clone()).boxed()
}
ProtocolRequest::GetChain(r) => {
get_chain(r, self.blockchain_read_handle.clone()).boxed()
}
ProtocolRequest::FluffyMissingTxs(r) => {
fluffy_missing_txs(r, self.blockchain_read_handle.clone()).boxed()
}
ProtocolRequest::NewBlock(_) => ready(Err(anyhow::anyhow!(
"Peer sent a full block when we support fluffy blocks"
)))
.boxed(),
ProtocolRequest::NewFluffyBlock(r) => new_fluffy_block(
self.peer_information.clone(),
r,
self.blockchain_read_handle.clone(),
self.txpool_read_handle.clone(),
)
.boxed(),
ProtocolRequest::NewTransactions(r) => new_transactions(
self.peer_information.clone(),
r,
self.blockchain_context_service.clone(),
self.incoming_tx_handler.clone(),
)
.boxed(),
ProtocolRequest::GetTxPoolCompliment(_) => ready(Ok(ProtocolResponse::NA)).boxed(), // TODO: should we support this?
}
}
}
//---------------------------------------------------------------------------------------------------- Handler functions
/// [`ProtocolRequest::GetObjects`]
async fn get_objects(
request: GetObjectsRequest,
mut blockchain_read_handle: BlockchainReadHandle,
) -> anyhow::Result<ProtocolResponse> {
if request.blocks.len() > MAX_BLOCK_BATCH_LEN {
anyhow::bail!("Peer requested more blocks than allowed.")
}
let block_hashes: Vec<[u8; 32]> = (&request.blocks).into();
// deallocate the backing `Bytes`.
drop(request);
let BlockchainResponse::BlockCompleteEntries {
blocks,
missing_hashes,
blockchain_height,
} = blockchain_read_handle
.ready()
.await?
.call(BlockchainReadRequest::BlockCompleteEntries(block_hashes))
.await?
else {
unreachable!();
};
Ok(ProtocolResponse::GetObjects(GetObjectsResponse {
blocks,
missed_ids: ByteArrayVec::from(missing_hashes),
current_blockchain_height: usize_to_u64(blockchain_height),
}))
}
/// [`ProtocolRequest::GetChain`]
async fn get_chain(
request: ChainRequest,
mut blockchain_read_handle: BlockchainReadHandle,
) -> anyhow::Result<ProtocolResponse> {
if request.block_ids.len() > MAX_BLOCKS_IDS_IN_CHAIN_ENTRY {
anyhow::bail!("Peer sent too many block hashes in chain request.")
}
let block_hashes: Vec<[u8; 32]> = (&request.block_ids).into();
let want_pruned_data = request.prune;
// deallocate the backing `Bytes`.
drop(request);
let BlockchainResponse::NextChainEntry {
start_height,
chain_height,
block_ids,
block_weights,
cumulative_difficulty,
first_block_blob,
} = blockchain_read_handle
.ready()
.await?
.call(BlockchainReadRequest::NextChainEntry(block_hashes, 10_000))
.await?
else {
unreachable!();
};
let Some(start_height) = start_height else {
anyhow::bail!("The peers chain has a different genesis block than ours.");
};
let (cumulative_difficulty_low64, cumulative_difficulty_top64) =
split_u128_into_low_high_bits(cumulative_difficulty);
Ok(ProtocolResponse::GetChain(ChainResponse {
start_height: usize_to_u64(std::num::NonZero::get(start_height)),
total_height: usize_to_u64(chain_height),
cumulative_difficulty_low64,
cumulative_difficulty_top64,
m_block_ids: ByteArrayVec::from(block_ids),
first_block: first_block_blob.map_or(Bytes::new(), Bytes::from),
// only needed when pruned
m_block_weights: if want_pruned_data {
block_weights.into_iter().map(usize_to_u64).collect()
} else {
vec![]
},
}))
}
/// [`ProtocolRequest::FluffyMissingTxs`]
async fn fluffy_missing_txs(
mut request: FluffyMissingTransactionsRequest,
mut blockchain_read_handle: BlockchainReadHandle,
) -> anyhow::Result<ProtocolResponse> {
let tx_indexes = std::mem::take(&mut request.missing_tx_indices);
let block_hash: [u8; 32] = *request.block_hash;
let current_blockchain_height = request.current_blockchain_height;
// deallocate the backing `Bytes`.
drop(request);
let BlockchainResponse::TxsInBlock(res) = blockchain_read_handle
.ready()
.await?
.call(BlockchainReadRequest::TxsInBlock {
block_hash,
tx_indexes,
})
.await?
else {
unreachable!();
};
let Some(TxsInBlock { block, txs }) = res else {
anyhow::bail!("The peer requested txs out of range.");
};
Ok(ProtocolResponse::NewFluffyBlock(NewFluffyBlock {
b: BlockCompleteEntry {
block: Bytes::from(block),
txs: TransactionBlobs::Normal(txs.into_iter().map(Bytes::from).collect()),
pruned: false,
// only needed for pruned blocks.
block_weight: 0,
},
current_blockchain_height,
}))
}
/// [`ProtocolRequest::NewFluffyBlock`]
async fn new_fluffy_block<A: NetZoneAddress>(
peer_information: PeerInformation<A>,
request: NewFluffyBlock,
mut blockchain_read_handle: BlockchainReadHandle,
mut txpool_read_handle: TxpoolReadHandle,
) -> anyhow::Result<ProtocolResponse> {
// TODO: check context service here and ignore the block?
let current_blockchain_height = request.current_blockchain_height;
peer_information
.core_sync_data
.lock()
.unwrap()
.current_height = current_blockchain_height;
let (block, txs) = rayon_spawn_async(move || -> Result<_, anyhow::Error> {
let block = Block::read(&mut request.b.block.as_ref())?;
let tx_blobs = request
.b
.txs
.take_normal()
.ok_or(anyhow::anyhow!("Peer sent pruned txs in fluffy block"))?;
let txs = tx_blobs
.into_iter()
.map(|tx_blob| {
if tx_blob.len() > MAX_TRANSACTION_BLOB_SIZE {
anyhow::bail!("Peer sent a transaction over the size limit.");
}
let tx = Transaction::read(&mut tx_blob.as_ref())?;
Ok((tx.hash(), tx))
})
.collect::<Result<_, anyhow::Error>>()?;
// The backing `Bytes` will be deallocated when this closure returns.
Ok((block, txs))
})
.await?;
let res = blockchain_interface::handle_incoming_block(
block,
txs,
&mut blockchain_read_handle,
&mut txpool_read_handle,
)
.await;
match res {
Ok(_) => Ok(ProtocolResponse::NA),
Err(IncomingBlockError::UnknownTransactions(block_hash, missing_tx_indices)) => Ok(
ProtocolResponse::FluffyMissingTransactionsRequest(FluffyMissingTransactionsRequest {
block_hash: block_hash.into(),
current_blockchain_height,
missing_tx_indices: missing_tx_indices.into_iter().map(usize_to_u64).collect(),
}),
),
Err(IncomingBlockError::Orphan) => {
// Block's parent was unknown, could be syncing?
Ok(ProtocolResponse::NA)
}
Err(e) => Err(e.into()),
}
}
/// [`ProtocolRequest::NewTransactions`]
async fn new_transactions<A>(
peer_information: PeerInformation<A>,
request: NewTransactions,
mut blockchain_context_service: BlockChainContextService,
mut incoming_tx_handler: IncomingTxHandler,
) -> anyhow::Result<ProtocolResponse>
where
A: NetZoneAddress,
InternalPeerID<A>: Into<CrossNetworkInternalPeerId>,
{
let BlockChainContextResponse::Context(context) = blockchain_context_service
.ready()
.await
.expect(PANIC_CRITICAL_SERVICE_ERROR)
.call(BlockChainContextRequest::Context)
.await
.expect(PANIC_CRITICAL_SERVICE_ERROR)
else {
unreachable!()
};
let context = context.unchecked_blockchain_context();
// If we are more than 2 blocks behind the peer then ignore the txs - we are probably still syncing.
if usize_to_u64(context.chain_height + 2)
< peer_information
.core_sync_data
.lock()
.unwrap()
.current_height
{
return Ok(ProtocolResponse::NA);
}
let state = if request.dandelionpp_fluff {
TxState::Fluff
} else {
TxState::Stem {
from: peer_information.id.into(),
}
};
// Drop all the data except the stuff we still need.
let NewTransactions { txs, .. } = request;
let res = incoming_tx_handler
.ready()
.await
.expect(PANIC_CRITICAL_SERVICE_ERROR)
.call(IncomingTxs { txs, state })
.await;
match res {
Ok(()) => Ok(ProtocolResponse::NA),
Err(e) => Err(e.into()),
}
}

2
binaries/cuprated/src/statics.rs
View file

@ -13,7 +13,7 @@ use std::{
macro_rules! define_init_lazylock_statics { macro_rules! define_init_lazylock_statics {
($( ($(
$( #[$attr:meta] )* $( #[$attr:meta] )*
$name:ident: $t:ty = $init_fn:expr; $name:ident: $t:ty = $init_fn:expr_2021;
)*) => { )*) => {
/// Initialize global static `LazyLock` data. /// Initialize global static `LazyLock` data.
pub fn init_lazylock_statics() { pub fn init_lazylock_statics() {

2
binaries/cuprated/src/txpool.rs
View file

@ -12,4 +12,4 @@ mod dandelion;
mod incoming_tx; mod incoming_tx;
mod txs_being_handled; mod txs_being_handled;
pub use incoming_tx::IncomingTxHandler; pub use incoming_tx::{IncomingTxError, IncomingTxHandler, IncomingTxs};

2
binaries/cuprated/src/txpool/dandelion.rs
View file

@ -59,7 +59,7 @@ pub fn dandelion_router(clear_net: NetworkInterface<ClearNet>) -> ConcreteDandel
diffuse_service::DiffuseService { diffuse_service::DiffuseService {
clear_net_broadcast_service: clear_net.broadcast_svc(), clear_net_broadcast_service: clear_net.broadcast_svc(),
}, },
stem_service::OutboundPeerStream { clear_net }, stem_service::OutboundPeerStream::new(clear_net),
DANDELION_CONFIG, DANDELION_CONFIG,
) )
} }

71
binaries/cuprated/src/txpool/dandelion/stem_service.rs
View file

@ -1,14 +1,15 @@
use std::{ use std::{
future::Future,
pin::Pin, pin::Pin,
task::{Context, Poll}, task::{ready, Context, Poll},
}; };
use bytes::Bytes; use bytes::Bytes;
use futures::Stream; use futures::{future::BoxFuture, FutureExt, Stream};
use tower::Service; use tower::Service;
use cuprate_dandelion_tower::{traits::StemRequest, OutboundPeer}; use cuprate_dandelion_tower::{traits::StemRequest, OutboundPeer};
use cuprate_p2p::{ClientPoolDropGuard, NetworkInterface}; use cuprate_p2p::{ClientDropGuard, NetworkInterface, PeerSetRequest, PeerSetResponse};
use cuprate_p2p_core::{ use cuprate_p2p_core::{
client::{Client, InternalPeerID}, client::{Client, InternalPeerID},
ClearNet, NetworkZone, PeerRequest, ProtocolRequest, ClearNet, NetworkZone, PeerRequest, ProtocolRequest,
@ -19,7 +20,17 @@ use crate::{p2p::CrossNetworkInternalPeerId, txpool::dandelion::DandelionTx};
/// The dandelion outbound peer stream. /// The dandelion outbound peer stream.
pub struct OutboundPeerStream { pub struct OutboundPeerStream {
pub clear_net: NetworkInterface<ClearNet>, clear_net: NetworkInterface<ClearNet>,
state: OutboundPeerStreamState,
}
impl OutboundPeerStream {
pub const fn new(clear_net: NetworkInterface<ClearNet>) -> Self {
Self {
clear_net,
state: OutboundPeerStreamState::Standby,
}
}
} }
impl Stream for OutboundPeerStream { impl Stream for OutboundPeerStream {
@ -28,23 +39,49 @@ impl Stream for OutboundPeerStream {
tower::BoxError, tower::BoxError,
>; >;
fn poll_next(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Option<Self::Item>> { fn poll_next(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
// TODO: make the outbound peer choice random. loop {
Poll::Ready(Some(Ok(self match &mut self.state {
.clear_net OutboundPeerStreamState::Standby => {
.client_pool() let peer_set = self.clear_net.peer_set();
.outbound_client() let res = ready!(peer_set.poll_ready(cx));
.map_or(OutboundPeer::Exhausted, |client| {
OutboundPeer::Peer( self.state = OutboundPeerStreamState::AwaitingPeer(
CrossNetworkInternalPeerId::ClearNet(client.info.id), peer_set.call(PeerSetRequest::StemPeer).boxed(),
StemPeerService(client), );
) }
})))) OutboundPeerStreamState::AwaitingPeer(fut) => {
let res = ready!(fut.poll_unpin(cx));
return Poll::Ready(Some(res.map(|res| {
let PeerSetResponse::StemPeer(stem_peer) = res else {
unreachable!()
};
match stem_peer {
Some(peer) => OutboundPeer::Peer(
CrossNetworkInternalPeerId::ClearNet(peer.info.id),
StemPeerService(peer),
),
None => OutboundPeer::Exhausted,
}
})));
}
}
}
} }
} }
/// The state of the [`OutboundPeerStream`].
enum OutboundPeerStreamState {
/// Standby state.
Standby,
/// Awaiting a response from the peer-set.
AwaitingPeer(BoxFuture<'static, Result<PeerSetResponse<ClearNet>, tower::BoxError>>),
}
/// The stem service, used to send stem txs. /// The stem service, used to send stem txs.
pub struct StemPeerService<N: NetworkZone>(ClientPoolDropGuard<N>); pub struct StemPeerService<N: NetworkZone>(ClientDropGuard<N>);
impl<N: NetworkZone> Service<StemRequest<DandelionTx>> for StemPeerService<N> { impl<N: NetworkZone> Service<StemRequest<DandelionTx>> for StemPeerService<N> {
type Response = <Client<N> as Service<PeerRequest>>::Response; type Response = <Client<N> as Service<PeerRequest>>::Response;

5
binaries/cuprated/src/txpool/incoming_tx.rs
View file

@ -43,9 +43,13 @@ use crate::{
}; };
/// An error that can happen handling an incoming tx. /// An error that can happen handling an incoming tx.
#[derive(Debug, thiserror::Error)]
pub enum IncomingTxError { pub enum IncomingTxError {
#[error("Error parsing tx: {0}")]
Parse(std::io::Error), Parse(std::io::Error),
#[error(transparent)]
Consensus(ExtendedConsensusError), Consensus(ExtendedConsensusError),
#[error("Duplicate tx in message")]
DuplicateTransaction, DuplicateTransaction,
} }
@ -67,6 +71,7 @@ pub(super) type TxId = [u8; 32];
/// The service than handles incoming transaction pool transactions. /// The service than handles incoming transaction pool transactions.
/// ///
/// This service handles everything including verifying the tx, adding it to the pool and routing it to other nodes. /// This service handles everything including verifying the tx, adding it to the pool and routing it to other nodes.
#[derive(Clone)]
pub struct IncomingTxHandler { pub struct IncomingTxHandler {
/// A store of txs currently being handled in incoming tx requests. /// A store of txs currently being handled in incoming tx requests.
pub(super) txs_being_handled: TxsBeingHandled, pub(super) txs_being_handled: TxsBeingHandled,

18
books/architecture/src/SUMMARY.md
View file

@ -143,9 +143,16 @@
--- ---
- [⚪️ Benchmarking](benchmarking/intro.md) - [🟢 Benchmarking](benchmarking/intro.md)
- [⚪️ Criterion](benchmarking/criterion.md) - [🟢 Criterion](benchmarking/criterion/intro.md)
- [⚪️ Harness](benchmarking/harness.md) - [🟢 Creating](benchmarking/criterion/creating.md)
- [🟢 Running](benchmarking/criterion/running.md)
- [🟢 `cuprate-benchmark`](benchmarking/cuprate/intro.md)
- [🟢 Creating](benchmarking/cuprate/creating.md)
- [🟢 Running](benchmarking/cuprate/running.md)
---
- [⚪️ Testing](testing/intro.md) - [⚪️ Testing](testing/intro.md)
- [⚪️ Monero data](testing/monero-data.md) - [⚪️ Monero data](testing/monero-data.md)
- [⚪️ RPC client](testing/rpc-client.md) - [⚪️ RPC client](testing/rpc-client.md)
@ -157,6 +164,11 @@
--- ---
- [🟢 Monero oddities](oddities/intro.md)
- [🟡 Little-endian IPv4 addresses](oddities/le-ipv4.md)
---
- [⚪️ Appendix](appendix/intro.md) - [⚪️ Appendix](appendix/intro.md)
- [🟢 Crates](appendix/crates.md) - [🟢 Crates](appendix/crates.md)
- [🔴 Contributing](appendix/contributing.md) - [🔴 Contributing](appendix/contributing.md)

13
books/architecture/src/appendix/crates.md
View file

@ -54,6 +54,11 @@ cargo doc --open --package cuprate-blockchain
| [`cuprate-rpc-interface`](https://doc.cuprate.org/cuprate_rpc_interface) | [`rpc/interface/`](https://github.com/Cuprate/cuprate/tree/main/rpc/interface) | RPC interface & routing | [`cuprate-rpc-interface`](https://doc.cuprate.org/cuprate_rpc_interface) | [`rpc/interface/`](https://github.com/Cuprate/cuprate/tree/main/rpc/interface) | RPC interface & routing
| [`cuprate-rpc-handler`](https://doc.cuprate.org/cuprate_rpc_handler) | [`rpc/handler/`](https://github.com/Cuprate/cuprate/tree/main/rpc/handler) | RPC inner handlers | [`cuprate-rpc-handler`](https://doc.cuprate.org/cuprate_rpc_handler) | [`rpc/handler/`](https://github.com/Cuprate/cuprate/tree/main/rpc/handler) | RPC inner handlers
## ZMQ
| Crate | In-tree path | Purpose |
|-------|--------------|---------|
| [`cuprate-zmq-types`](https://doc.cuprate.org/cuprate_zmq_types) | [`zmq/types/`](https://github.com/Cuprate/cuprate/tree/main/zmq/types) | Message types for ZMQ Pub/Sub interface
## 1-off crates ## 1-off crates
| Crate | In-tree path | Purpose | | Crate | In-tree path | Purpose |
|-------|--------------|---------| |-------|--------------|---------|
@ -63,3 +68,11 @@ cargo doc --open --package cuprate-blockchain
| [`cuprate-helper`](https://doc.cuprate.org/cuprate_helper) | [`helper/`](https://github.com/Cuprate/cuprate/tree/main/helper) | Kitchen-sink helper crate for Cuprate | [`cuprate-helper`](https://doc.cuprate.org/cuprate_helper) | [`helper/`](https://github.com/Cuprate/cuprate/tree/main/helper) | Kitchen-sink helper crate for Cuprate
| [`cuprate-test-utils`](https://doc.cuprate.org/cuprate_test_utils) | [`test-utils/`](https://github.com/Cuprate/cuprate/tree/main/test-utils) | Testing utilities for Cuprate | [`cuprate-test-utils`](https://doc.cuprate.org/cuprate_test_utils) | [`test-utils/`](https://github.com/Cuprate/cuprate/tree/main/test-utils) | Testing utilities for Cuprate
| [`cuprate-types`](https://doc.cuprate.org/cuprate_types) | [`types/`](https://github.com/Cuprate/cuprate/tree/main/types) | Shared types across Cuprate | [`cuprate-types`](https://doc.cuprate.org/cuprate_types) | [`types/`](https://github.com/Cuprate/cuprate/tree/main/types) | Shared types across Cuprate
## Benchmarks
| Crate | In-tree path | Purpose |
|-------|--------------|---------|
| [`cuprate-benchmark`](https://doc.cuprate.org/cuprate_benchmark) | [`benches/benchmark/bin/`](https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/bin) | Cuprate benchmarking binary
| [`cuprate-benchmark-lib`](https://doc.cuprate.org/cuprate_benchmark_lib) | [`benches/benchmark/lib/`](https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/lib) | Cuprate benchmarking library
| `cuprate-benchmark-*` | [`benches/benchmark/cuprate-*`](https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/) | Benchmark for a Cuprate crate that uses `cuprate-benchmark`
| `cuprate-criterion-*` | [`benches/criterion/cuprate-*`](https://github.com/Cuprate/cuprate/tree/main/benches/criterion) | Benchmark for a Cuprate crate that uses [Criterion](https://bheisler.github.io/criterion.rs/book)

1
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@ -1 +0,0 @@
# ⚪️ Criterion

21
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@ -0,0 +1,21 @@
# Creating
Creating a new Criterion-based benchmarking crate for one of Cuprate's crates is relatively simple,
although, it requires knowledge of how to use Criterion first:
1. Read the `Getting Started` section of <https://bheisler.github.io/criterion.rs/book>
2. Copy [`benches/criterion/example`](https://github.com/Cuprate/cuprate/tree/main/benches/criterion/example) as base
3. Get started
## Naming
New benchmark crates using Criterion should:
- Be in [`benches/criterion/`](https://github.com/Cuprate/cuprate/tree/main/benches/criterion/)
- Be in the `cuprate-criterion-$CRATE_NAME` format
For a real example, see:
[`cuprate-criterion-json-rpc`](https://github.com/Cuprate/cuprate/tree/main/benches/criterion/cuprate-json-rpc).
## Workspace
Finally, make sure to add the benchmark crate to the workspace
[`Cargo.toml`](https://github.com/Cuprate/cuprate/blob/main/Cargo.toml) file.
Your benchmark is now ready to be ran.

4
books/architecture/src/benchmarking/criterion/intro.md Normal file
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@ -0,0 +1,4 @@
# Criterion
Each sub-directory in [`benches/criterion/`](https://github.com/Cuprate/cuprate/tree/main/benches/criterion) is a crate that uses [Criterion](https://bheisler.github.io/criterion.rs/book) for timing single functions and/or groups of functions.
They are generally be small in scope.

15
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@ -0,0 +1,15 @@
# Running
To run all Criterion benchmarks, run this from the repository root:
```bash
cargo bench
```
To run specific package(s), use:
```bash
cargo bench --package $CRITERION_BENCHMARK_CRATE_NAME
```
For example:
```bash
cargo bench --package cuprate-criterion-json-rpc
```

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@ -0,0 +1,57 @@
# Creating
New benchmarks are plugged into `cuprate-benchmark` by:
1. Implementing `cuprate_benchmark_lib::Benchmark`
1. Registering the benchmark in the `cuprate_benchmark` binary
See [`benches/benchmark/example`](https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/example)
for an example.
## Creating the benchmark crate
Before plugging into `cuprate-benchmark`, your actual benchmark crate must be created:
1. Create a new crate inside `benches/benchmark` (consider copying `benches/benchmark/example` as a base)
1. Pull in `cuprate_benchmark_lib` as a dependency
1. Create a benchmark
1. Implement `cuprate_benchmark_lib::Benchmark`
New benchmark crates using `cuprate-database` should:
- Be in [`benches/benchmark/`](https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/)
- Be in the `cuprate-benchmark-$CRATE_NAME` format
For a real example, see:
[`cuprate-benchmark-database`](https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/cuprate-database).
## `cuprate_benchmark_lib::Benchmark`
This is the trait that standardizes all benchmarks ran under `cuprate-benchmark`.
It must be implemented by your benchmarking crate.
See `cuprate-benchmark-lib` crate documentation for a user-guide: <https://doc.cuprate.org/cuprate_benchmark_lib>.
## Adding a feature to `cuprate-benchmark`
After your benchmark's behavior is defined, it must be registered
in the binary that is actually ran: `cuprate-benchmark`.
If your benchmark is new, add a new crate feature to [`cuprate-benchmark`'s Cargo.toml file](https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/bin/Cargo.toml) with an optional dependency to your benchmarking crate.
Please remember to edit the feature table in the
[`README.md`](https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/bin/README.md) as well!
## Adding to `cuprate-benchmark`'s `main()`
After adding your crate's feature, add a conditional line that run the benchmark
if the feature is enabled to the `main()` function:
For example, if your crate's name is `egg`:
```rust
cfg_if! {
if #[cfg(feature = "egg")] {
run::run_benchmark::<cuprate_benchmark_egg::Benchmark>(&mut timings);
}
}
```
## Workspace
Finally, make sure to add the benchmark crate to the workspace
[`Cargo.toml`](https://github.com/Cuprate/cuprate/blob/main/Cargo.toml) file.
Your benchmark is now ready to be ran.

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@ -0,0 +1,37 @@
# cuprate-benchmark
Cuprate has 2 custom crates for general benchmarking:
- `cuprate-benchmark`; the actual binary crate ran
- `cuprate-benchmark-lib`; the library that other crates hook into
The abstract purpose of `cuprate-benchmark` is very simple:
1. Set-up the benchmark
1. Start timer
1. Run benchmark
1. Output data
`cuprate-benchmark` runs the benchmarks found in [`benches/benchmark/cuprate-*`](https://github.com/Cuprate/cuprate/tree/main/benches/benchmark).
`cuprate-benchmark-lib` defines the `Benchmark` trait that all
benchmark crates implement to "plug-in" to the benchmarking harness.
## Diagram
A diagram displaying the relation between `cuprate-benchmark` and related crates.
```
┌─────────────────────┐
│ cuprate_benchmark │
│ (actual binary ran) │
└──────────┬──────────┘
┌──────────────────┴───────────────────┐
│ cuprate_benchmark_lib │
│ ┌───────────────────────────────────┐│
│ │ trait Benchmark ││
│ └───────────────────────────────────┘│
└──────────────────┬───────────────────┘
┌───────────────────────────┐ │ ┌───────────────────────────┐
│ cuprate_benchmark_example ├──┼───┤ cuprate_benchmark_* │
└───────────────────────────┘ │ └───────────────────────────┘
┌───────────────────────────┐ │ ┌───────────────────────────┐
│ cuprate_benchmark_* ├──┴───┤ cuprate_benchmark_* │
└───────────────────────────┘ └───────────────────────────┘
```

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@ -0,0 +1,16 @@
# Running
`cuprate-benchmark` benchmarks are ran with this command:
```bash
cargo run --release --package cuprate-benchmark --features $BENCHMARK_CRATE_FEATURE
```
For example, to run the example benchmark:
```bash
cargo run --release --package cuprate-benchmark --features example
```
Use the `all` feature to run all benchmarks:
```bash
# Run all benchmarks
cargo run --release --package cuprate-benchmark --features all
```

1
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@ -1 +0,0 @@
# ⚪️ Harness

23
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@ -1 +1,22 @@
# ⚪️ Benchmarking # Benchmarking
Cuprate has 2 types of benchmarks:
- [Criterion](https://bheisler.github.io/criterion.rs/book/user_guide/advanced_configuration.html) benchmarks
- `cuprate-benchmark` benchmarks
Criterion is used for micro benchmarks; they time single functions, groups of functions, and generally are small in scope.
`cuprate-benchmark` and [`cuprate-benchmark-lib`](https://doc.cuprate.org/cuprate_benchmark_lib) are custom in-house crates Cuprate uses for macro benchmarks; these test sub-systems, sections of a sub-system, or otherwise larger or more complicated code that isn't well-suited for micro benchmarks.
## File layout and purpose
All benchmarking related files are in the [`benches/`](https://github.com/Cuprate/cuprate/tree/main/benches) folder.
This directory is organized like such:
| Directory | Purpose |
|-------------------------------|---------|
| [`benches/criterion/`](https://github.com/Cuprate/cuprate/tree/main/benches/criterion) | Criterion (micro) benchmarks
| `benches/criterion/cuprate-*` | Criterion benchmarks for the crate with the same name
| [`benches/benchmark/`](https://github.com/Cuprate/cuprate/tree/main/benches/benchmark) | Cuprate's custom benchmarking files
| [`benches/benchmark/bin`](https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/bin) | The `cuprate-benchmark` crate; the actual binary run that links all benchmarks
| [`benches/benchmark/lib`](https://github.com/Cuprate/cuprate/tree/main/benches/benchmark/lib) | The `cuprate-benchmark-lib` crate; the benchmarking framework all benchmarks plug into
| `benches/benchmark/cuprate-*` | `cuprate-benchmark` benchmarks for the crate with the same name

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@ -0,0 +1,37 @@
# Monero oddities
This section is a list of any peculiar, interesting,
or non-standard behavior that Monero has that is not
planned on being changed or deprecated.
This section exists to hold all the small yet noteworthy knowledge in one place,
instead of in any single contributor's mind.
These are usually behaviors stemming from implementation rather than protocol/cryptography.
## Formatting
This is the markdown formatting for each entry in this section.
If applicable, consider using this formatting when adding to this section.
```md
# <concise_title_of_the_behavior>
## What
A detailed description of the behavior.
## Expected
The norm or standard behavior that is usually expected.
## Why
The reasoning behind why this behavior exists and/or
any links to more detailed discussion on the behavior.
## Affects
A (potentially non-exhaustive) list of places that this behavior can/does affect.
## Example
An example link or section of code where the behavior occurs.
## Source
A link to original `monerod` code that defines the behavior.
```

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@ -0,0 +1,24 @@
# Little-endian IPv4 addresses
## What
Monero encodes IPv4 addresses in [little-endian](https://en.wikipedia.org/wiki/Endianness) byte order.
## Expected
In general, [networking-related protocols/code use _networking order_ (big-endian)](https://en.wikipedia.org/wiki/Endianness#Networking).
## Why
TODO
- <https://github.com/monero-project/monero/issues/3826>
- <https://github.com/monero-project/monero/pull/5544>
## Affects
Any representation and (de)serialization of IPv4 addresses must keep little
endian in-mind, e.g. the P2P wire format or `int` encoded IPv4 addresses in RPC.
For example, [the `ip` field in `set_bans`](https://www.getmonero.org/resources/developer-guides/daemon-rpc.html#set_bans).
For Cuprate, this means Rust's [`Ipv4Addr::from_bits/from`](https://doc.rust-lang.org/1.82.0/src/core/net/ip_addr.rs.html#1182) cannot be used in these cases as [it assumes big-endian encoding](https://doc.rust-lang.org/1.82.0/src/core/net/ip_addr.rs.html#540).
## Source
- <https://github.com/monero-project/monero/blob/893916ad091a92e765ce3241b94e706ad012b62a/contrib/epee/include/net/net_utils_base.h#L97>

4
consensus/context/src/difficulty.rs
View file

@ -328,8 +328,8 @@ fn next_difficulty(
time_span = 1; time_span = 1;
} }
// TODO: do checked operations here and unwrap so we don't silently overflow? // TODO: do `checked_mul` here and unwrap so we don't silently overflow?
(windowed_work * u128::from(hf.block_time().as_secs()) + time_span - 1) / time_span (windowed_work * u128::from(hf.block_time().as_secs())).div_ceil(time_span)
} }
/// Get the start and end of the window to calculate difficulty. /// Get the start and end of the window to calculate difficulty.

4
consensus/fast-sync/src/create.rs
View file

@ -9,7 +9,7 @@ use clap::Parser;
use tower::{Service, ServiceExt}; use tower::{Service, ServiceExt};
use cuprate_blockchain::{ use cuprate_blockchain::{
config::ConfigBuilder, cuprate_database::RuntimeError, service::BlockchainReadHandle, config::ConfigBuilder, cuprate_database::DbResult, service::BlockchainReadHandle,
}; };
use cuprate_types::{ use cuprate_types::{
blockchain::{BlockchainReadRequest, BlockchainResponse}, blockchain::{BlockchainReadRequest, BlockchainResponse},
@ -23,7 +23,7 @@ const BATCH_SIZE: usize = 512;
async fn read_batch( async fn read_batch(
handle: &mut BlockchainReadHandle, handle: &mut BlockchainReadHandle,
height_from: usize, height_from: usize,
) -> Result<Vec<BlockId>, RuntimeError> { ) -> DbResult<Vec<BlockId>> {
let mut block_ids = Vec::<BlockId>::with_capacity(BATCH_SIZE); let mut block_ids = Vec::<BlockId>::with_capacity(BATCH_SIZE);
for height in height_from..(height_from + BATCH_SIZE) { for height in height_from..(height_from + BATCH_SIZE) {

2
cryptonight/src/util.rs
View file

@ -49,7 +49,7 @@ pub(crate) fn subarray_copy<T: AsRef<[U]> + ?Sized, U: Copy, const LEN: usize>(
/// A mutable reference to a fixed-size subarray of type `[U; LEN]`. /// A mutable reference to a fixed-size subarray of type `[U; LEN]`.
/// ///
/// # Panics /// # Panics
/// Panics if `start + LEN > array.as_ref().len()`. /// Panics if `start + LEN > array.as_mut().len()`.
#[inline] #[inline]
pub(crate) fn subarray_mut<T: AsMut<[U]> + ?Sized, U, const LEN: usize>( pub(crate) fn subarray_mut<T: AsMut<[U]> + ?Sized, U, const LEN: usize>(
array: &mut T, array: &mut T,

2
helper/Cargo.toml
View file

@ -35,6 +35,8 @@ futures = { workspace = true, optional = true, features = ["std"] }
monero-serai = { workspace = true, optional = true } monero-serai = { workspace = true, optional = true }
rayon = { workspace = true, optional = true } rayon = { workspace = true, optional = true }
serde = { workspace = true, optional = true, features = ["derive"] }
# This is kinda a stupid work around. # This is kinda a stupid work around.
# [thread] needs to activate one of these libs (windows|libc) # [thread] needs to activate one of these libs (windows|libc)
# although it depends on what target we're building for. # although it depends on what target we're building for.

95
helper/src/fs.rs
View file

@ -28,7 +28,12 @@
//! - <https://docs.rs/dirs> //! - <https://docs.rs/dirs>
//---------------------------------------------------------------------------------------------------- Use //---------------------------------------------------------------------------------------------------- Use
use std::{path::PathBuf, sync::LazyLock}; use std::{
path::{Path, PathBuf},
sync::LazyLock,
};
use crate::network::Network;
//---------------------------------------------------------------------------------------------------- Const //---------------------------------------------------------------------------------------------------- Const
/// Cuprate's main directory. /// Cuprate's main directory.
@ -58,6 +63,9 @@ pub const CUPRATE_DIR: &str = {
} }
}; };
/// The default name of Cuprate's config file.
pub const DEFAULT_CONFIG_FILE_NAME: &str = "Cuprated.toml";
//---------------------------------------------------------------------------------------------------- Directories //---------------------------------------------------------------------------------------------------- Directories
/// Create a `LazyLock` for common PATHs used by Cuprate. /// Create a `LazyLock` for common PATHs used by Cuprate.
/// ///
@ -150,32 +158,61 @@ impl_path_lazylock! {
CUPRATE_DATA_DIR, CUPRATE_DATA_DIR,
data_dir, data_dir,
"", "",
}
/// Cuprate's blockchain directory. /// Joins the [`Network`] to the [`Path`].
/// ///
/// This is the PATH used for any Cuprate blockchain files. /// This will keep the path the same for [`Network::Mainnet`].
/// fn path_with_network(path: &Path, network: Network) -> PathBuf {
/// | OS | PATH | match network {
/// |---------|----------------------------------------------------------------| Network::Mainnet => path.to_path_buf(),
/// | Windows | `C:\Users\Alice\AppData\Roaming\Cuprate\blockchain\` | network => path.join(network.to_string()),
/// | macOS | `/Users/Alice/Library/Application Support/Cuprate/blockchain/` | }
/// | Linux | `/home/alice/.local/share/cuprate/blockchain/` | }
CUPRATE_BLOCKCHAIN_DIR,
data_dir,
"blockchain",
/// Cuprate's transaction pool directory. /// Cuprate's blockchain directory.
/// ///
/// This is the PATH used for any Cuprate txpool files. /// This is the PATH used for any Cuprate blockchain files.
/// ///
/// | OS | PATH | /// ```rust
/// |---------|------------------------------------------------------------| /// use cuprate_helper::{network::Network, fs::{CUPRATE_DATA_DIR, blockchain_path}};
/// | Windows | `C:\Users\Alice\AppData\Roaming\Cuprate\txpool\` | ///
/// | macOS | `/Users/Alice/Library/Application Support/Cuprate/txpool/` | /// assert_eq!(blockchain_path(&**CUPRATE_DATA_DIR, Network::Mainnet).as_path(), CUPRATE_DATA_DIR.join("blockchain"));
/// | Linux | `/home/alice/.local/share/cuprate/txpool/` | /// assert_eq!(blockchain_path(&**CUPRATE_DATA_DIR, Network::Stagenet).as_path(), CUPRATE_DATA_DIR.join(Network::Stagenet.to_string()).join("blockchain"));
CUPRATE_TXPOOL_DIR, /// assert_eq!(blockchain_path(&**CUPRATE_DATA_DIR, Network::Testnet).as_path(), CUPRATE_DATA_DIR.join(Network::Testnet.to_string()).join("blockchain"));
data_dir, /// ```
"txpool", pub fn blockchain_path(data_dir: &Path, network: Network) -> PathBuf {
path_with_network(data_dir, network).join("blockchain")
}
/// Cuprate's txpool directory.
///
/// This is the PATH used for any Cuprate txpool files.
///
/// ```rust
/// use cuprate_helper::{network::Network, fs::{CUPRATE_DATA_DIR, txpool_path}};
///
/// assert_eq!(txpool_path(&**CUPRATE_DATA_DIR, Network::Mainnet).as_path(), CUPRATE_DATA_DIR.join("txpool"));
/// assert_eq!(txpool_path(&**CUPRATE_DATA_DIR, Network::Stagenet).as_path(), CUPRATE_DATA_DIR.join(Network::Stagenet.to_string()).join("txpool"));
/// assert_eq!(txpool_path(&**CUPRATE_DATA_DIR, Network::Testnet).as_path(), CUPRATE_DATA_DIR.join(Network::Testnet.to_string()).join("txpool"));
/// ```
pub fn txpool_path(data_dir: &Path, network: Network) -> PathBuf {
path_with_network(data_dir, network).join("txpool")
}
/// Cuprate's address-book directory.
///
/// This is the PATH used for any Cuprate address-book files.
///
/// ```rust
/// use cuprate_helper::{network::Network, fs::{CUPRATE_CACHE_DIR, address_book_path}};
///
/// assert_eq!(address_book_path(&**CUPRATE_CACHE_DIR, Network::Mainnet).as_path(), CUPRATE_CACHE_DIR.join("addressbook"));
/// assert_eq!(address_book_path(&**CUPRATE_CACHE_DIR, Network::Stagenet).as_path(), CUPRATE_CACHE_DIR.join(Network::Stagenet.to_string()).join("addressbook"));
/// assert_eq!(address_book_path(&**CUPRATE_CACHE_DIR, Network::Testnet).as_path(), CUPRATE_CACHE_DIR.join(Network::Testnet.to_string()).join("addressbook"));
/// ```
pub fn address_book_path(cache_dir: &Path, network: Network) -> PathBuf {
path_with_network(cache_dir, network).join("addressbook")
} }
//---------------------------------------------------------------------------------------------------- Tests //---------------------------------------------------------------------------------------------------- Tests
@ -197,29 +234,21 @@ mod test {
(&*CUPRATE_CACHE_DIR, ""), (&*CUPRATE_CACHE_DIR, ""),
(&*CUPRATE_CONFIG_DIR, ""), (&*CUPRATE_CONFIG_DIR, ""),
(&*CUPRATE_DATA_DIR, ""), (&*CUPRATE_DATA_DIR, ""),
(&*CUPRATE_BLOCKCHAIN_DIR, ""),
(&*CUPRATE_TXPOOL_DIR, ""),
]; ];
if cfg!(target_os = "windows") { if cfg!(target_os = "windows") {
array[0].1 = r"AppData\Local\Cuprate"; array[0].1 = r"AppData\Local\Cuprate";
array[1].1 = r"AppData\Roaming\Cuprate"; array[1].1 = r"AppData\Roaming\Cuprate";
array[2].1 = r"AppData\Roaming\Cuprate"; array[2].1 = r"AppData\Roaming\Cuprate";
array[3].1 = r"AppData\Roaming\Cuprate\blockchain";
array[4].1 = r"AppData\Roaming\Cuprate\txpool";
} else if cfg!(target_os = "macos") { } else if cfg!(target_os = "macos") {
array[0].1 = "Library/Caches/Cuprate"; array[0].1 = "Library/Caches/Cuprate";
array[1].1 = "Library/Application Support/Cuprate"; array[1].1 = "Library/Application Support/Cuprate";
array[2].1 = "Library/Application Support/Cuprate"; array[2].1 = "Library/Application Support/Cuprate";
array[3].1 = "Library/Application Support/Cuprate/blockchain";
array[4].1 = "Library/Application Support/Cuprate/txpool";
} else { } else {
// Assumes Linux. // Assumes Linux.
array[0].1 = ".cache/cuprate"; array[0].1 = ".cache/cuprate";
array[1].1 = ".config/cuprate"; array[1].1 = ".config/cuprate";
array[2].1 = ".local/share/cuprate"; array[2].1 = ".local/share/cuprate";
array[3].1 = ".local/share/cuprate/blockchain";
array[4].1 = ".local/share/cuprate/txpool";
}; };
for (path, expected) in array { for (path, expected) in array {

34
helper/src/network.rs
View file

@ -5,6 +5,12 @@
//! into it's own crate. //! into it's own crate.
//! //!
//! `#[no_std]` compatible. //! `#[no_std]` compatible.
// TODO: move to types crate.
use core::{
fmt::{Display, Formatter},
str::FromStr,
};
const MAINNET_NETWORK_ID: [u8; 16] = [ const MAINNET_NETWORK_ID: [u8; 16] = [
0x12, 0x30, 0xF1, 0x71, 0x61, 0x04, 0x41, 0x61, 0x17, 0x31, 0x00, 0x82, 0x16, 0xA1, 0xA1, 0x10, 0x12, 0x30, 0xF1, 0x71, 0x61, 0x04, 0x41, 0x61, 0x17, 0x31, 0x00, 0x82, 0x16, 0xA1, 0xA1, 0x10,
@ -17,7 +23,8 @@ const STAGENET_NETWORK_ID: [u8; 16] = [
]; ];
/// An enum representing every Monero network. /// An enum representing every Monero network.
#[derive(Debug, Clone, Copy, Default)] #[derive(Debug, Clone, Copy, Default, Ord, PartialOrd, Eq, PartialEq)]
#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
pub enum Network { pub enum Network {
/// Mainnet /// Mainnet
#[default] #[default]
@ -38,3 +45,28 @@ impl Network {
} }
} }
} }
#[derive(Debug, PartialEq, Eq)]
pub struct ParseNetworkError;
impl FromStr for Network {
type Err = ParseNetworkError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"mainnet" | "Mainnet" => Ok(Self::Mainnet),
"testnet" | "Testnet" => Ok(Self::Testnet),
"stagenet" | "Stagenet" => Ok(Self::Stagenet),
_ => Err(ParseNetworkError),
}
}
}
impl Display for Network {
fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
f.write_str(match self {
Self::Mainnet => "mainnet",
Self::Testnet => "testnet",
Self::Stagenet => "stagenet",
})
}
}

6
net/epee-encoding/src/macros.rs
View file

@ -76,14 +76,14 @@ macro_rules! epee_object {
// All this does is return the second (right) arg if present otherwise the left is returned. // All this does is return the second (right) arg if present otherwise the left is returned.
( (
@internal_try_right_then_left @internal_try_right_then_left
$a:expr, $b:expr $a:expr_2021, $b:expr_2021
) => { ) => {
$b $b
}; };
( (
@internal_try_right_then_left @internal_try_right_then_left
$a:expr, $a:expr_2021,
) => { ) => {
$a $a
}; };
@ -122,7 +122,7 @@ macro_rules! epee_object {
// ------------------------------------------------------------------------ Entry Point // ------------------------------------------------------------------------ Entry Point
( (
$obj:ident, $obj:ident,
$($field: ident $(($alt_name: literal))?: $ty:ty $(as $ty_as:ty )? $(= $default:expr)? $(=> $read_fn:expr, $write_fn:expr, $should_write_fn:expr)?, )* $($field: ident $(($alt_name: literal))?: $ty:ty $(as $ty_as:ty )? $(= $default:expr_2021)? $(=> $read_fn:expr_2021, $write_fn:expr_2021, $should_write_fn:expr_2021)?, )*
$(!flatten: $flat_field: ident: $flat_ty:ty ,)* $(!flatten: $flat_field: ident: $flat_ty:ty ,)*
) => { ) => {

2
net/wire/src/p2p/protocol.rs
View file

@ -159,7 +159,7 @@ epee_object!(
current_blockchain_height: u64, current_blockchain_height: u64,
); );
/// A request for Txs we are missing from our `TxPool` /// A request for txs we are missing from an incoming block.
#[derive(Debug, Clone, PartialEq, Eq)] #[derive(Debug, Clone, PartialEq, Eq)]
pub struct FluffyMissingTransactionsRequest { pub struct FluffyMissingTransactionsRequest {
/// The Block we are missing the Txs in /// The Block we are missing the Txs in

2
p2p/address-book/Cargo.toml
View file

@ -23,7 +23,7 @@ indexmap = { workspace = true, features = ["std"] }
rand = { workspace = true, features = ["std", "std_rng"] } rand = { workspace = true, features = ["std", "std_rng"] }
borsh = { workspace = true, features = ["derive", "std"]} borsh = { workspace = true, features = ["derive", "std"] }
[dev-dependencies] [dev-dependencies]
cuprate-test-utils = { workspace = true } cuprate-test-utils = { workspace = true }

2
p2p/address-book/src/book/tests.rs
View file

@ -15,7 +15,7 @@ fn test_cfg() -> AddressBookConfig {
AddressBookConfig { AddressBookConfig {
max_white_list_length: 100, max_white_list_length: 100,
max_gray_list_length: 500, max_gray_list_length: 500,
peer_store_file: PathBuf::new(), peer_store_directory: PathBuf::new(),
peer_save_period: Duration::from_secs(60), peer_save_period: Duration::from_secs(60),
} }
} }

9
p2p/address-book/src/lib.rs
View file

@ -29,8 +29,8 @@ pub struct AddressBookConfig {
/// ///
/// Gray peers are peers we are yet to make a connection to. /// Gray peers are peers we are yet to make a connection to.
pub max_gray_list_length: usize, pub max_gray_list_length: usize,
/// The location to store the address book. /// The location to store the peer store files.
pub peer_store_file: PathBuf, pub peer_store_directory: PathBuf,
/// The amount of time between saving the address book to disk. /// The amount of time between saving the address book to disk.
pub peer_save_period: Duration, pub peer_save_period: Duration,
} }
@ -63,11 +63,6 @@ pub enum AddressBookError {
pub async fn init_address_book<Z: BorshNetworkZone>( pub async fn init_address_book<Z: BorshNetworkZone>(
cfg: AddressBookConfig, cfg: AddressBookConfig,
) -> Result<book::AddressBook<Z>, std::io::Error> { ) -> Result<book::AddressBook<Z>, std::io::Error> {
tracing::info!(
"Loading peers from file: {} ",
cfg.peer_store_file.display()
);
let (white_list, gray_list) = match store::read_peers_from_disk::<Z>(&cfg).await { let (white_list, gray_list) = match store::read_peers_from_disk::<Z>(&cfg).await {
Ok(res) => res, Ok(res) => res,
Err(e) if e.kind() == ErrorKind::NotFound => (vec![], vec![]), Err(e) if e.kind() == ErrorKind::NotFound => (vec![], vec![]),

11
p2p/address-book/src/store.rs
View file

@ -39,7 +39,9 @@ pub(crate) fn save_peers_to_disk<Z: BorshNetworkZone>(
}) })
.unwrap(); .unwrap();
let file = cfg.peer_store_file.clone(); let file = cfg
.peer_store_directory
.join(format!("{}_p2p_state", Z::NAME));
spawn_blocking(move || fs::write(&file, &data)) spawn_blocking(move || fs::write(&file, &data))
} }
@ -52,7 +54,12 @@ pub(crate) async fn read_peers_from_disk<Z: BorshNetworkZone>(
), ),
std::io::Error, std::io::Error,
> { > {
let file = cfg.peer_store_file.clone(); let file = cfg
.peer_store_directory
.join(format!("{}_p2p_state", Z::NAME));
tracing::info!("Loading peers from file: {} ", file.display());
let data = spawn_blocking(move || fs::read(file)).await.unwrap()?; let data = spawn_blocking(move || fs::read(file)).await.unwrap()?;
let de_ser: DeserPeerDataV1<Z::Addr> = from_slice(&data)?; let de_ser: DeserPeerDataV1<Z::Addr> = from_slice(&data)?;

4
p2p/async-buffer/src/lib.rs
View file

@ -157,7 +157,7 @@ pub struct BufferSinkSend<'a, T> {
item: Option<T>, item: Option<T>,
} }
impl<'a, T> Future for BufferSinkSend<'a, T> { impl<T> Future for BufferSinkSend<'_, T> {
type Output = Result<(), BufferError>; type Output = Result<(), BufferError>;
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> { fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
@ -183,7 +183,7 @@ pub struct BufferSinkReady<'a, T> {
size_needed: usize, size_needed: usize,
} }
impl<'a, T> Future for BufferSinkReady<'a, T> { impl<T> Future for BufferSinkReady<'_, T> {
type Output = (); type Output = ();
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> { fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {

1
p2p/dandelion-tower/src/tests/mod.rs
View file

@ -12,6 +12,7 @@ use crate::{
OutboundPeer, State, OutboundPeer, State,
}; };
#[expect(clippy::type_complexity)]
pub(crate) fn mock_discover_svc<Req: Send + 'static>() -> ( pub(crate) fn mock_discover_svc<Req: Send + 'static>() -> (
impl Stream< impl Stream<
Item = Result< Item = Result<

13
p2p/p2p-core/src/client.rs
View file

@ -27,9 +27,11 @@ mod connector;
pub mod handshaker; pub mod handshaker;
mod request_handler; mod request_handler;
mod timeout_monitor; mod timeout_monitor;
mod weak;
pub use connector::{ConnectRequest, Connector}; pub use connector::{ConnectRequest, Connector};
pub use handshaker::{DoHandshakeRequest, HandshakeError, HandshakerBuilder}; pub use handshaker::{DoHandshakeRequest, HandshakeError, HandshakerBuilder};
pub use weak::WeakClient;
/// An internal identifier for a given peer, will be their address if known /// An internal identifier for a given peer, will be their address if known
/// or a random u128 if not. /// or a random u128 if not.
@ -130,6 +132,17 @@ impl<Z: NetworkZone> Client<Z> {
} }
.into() .into()
} }
/// Create a [`WeakClient`] for this [`Client`].
pub fn downgrade(&self) -> WeakClient<Z> {
WeakClient {
info: self.info.clone(),
connection_tx: self.connection_tx.downgrade(),
semaphore: self.semaphore.clone(),
permit: None,
error: self.error.clone(),
}
}
} }
impl<Z: NetworkZone> Service<PeerRequest> for Client<Z> { impl<Z: NetworkZone> Service<PeerRequest> for Client<Z> {

114
p2p/p2p-core/src/client/weak.rs Normal file
View file

@ -0,0 +1,114 @@
use std::task::{ready, Context, Poll};
use futures::channel::oneshot;
use tokio::sync::{mpsc, OwnedSemaphorePermit};
use tokio_util::sync::PollSemaphore;
use tower::Service;
use cuprate_helper::asynch::InfallibleOneshotReceiver;
use crate::{
client::{connection, PeerInformation},
NetworkZone, PeerError, PeerRequest, PeerResponse, SharedError,
};
/// A weak handle to a [`Client`](super::Client).
///
/// When this is dropped the peer will not be disconnected.
pub struct WeakClient<N: NetworkZone> {
/// Information on the connected peer.
pub info: PeerInformation<N::Addr>,
/// The channel to the [`Connection`](connection::Connection) task.
pub(super) connection_tx: mpsc::WeakSender<connection::ConnectionTaskRequest>,
/// The semaphore that limits the requests sent to the peer.
pub(super) semaphore: PollSemaphore,
/// A permit for the semaphore, will be [`Some`] after `poll_ready` returns ready.
pub(super) permit: Option<OwnedSemaphorePermit>,
/// The error slot shared between the [`Client`] and [`Connection`](connection::Connection).
pub(super) error: SharedError<PeerError>,
}
impl<N: NetworkZone> WeakClient<N> {
/// Internal function to set an error on the [`SharedError`].
fn set_err(&self, err: PeerError) -> tower::BoxError {
let err_str = err.to_string();
match self.error.try_insert_err(err) {
Ok(()) => err_str,
Err(e) => e.to_string(),
}
.into()
}
}
impl<Z: NetworkZone> Service<PeerRequest> for WeakClient<Z> {
type Response = PeerResponse;
type Error = tower::BoxError;
type Future = InfallibleOneshotReceiver<Result<Self::Response, Self::Error>>;
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
if let Some(err) = self.error.try_get_err() {
return Poll::Ready(Err(err.to_string().into()));
}
if self.connection_tx.strong_count() == 0 {
let err = self.set_err(PeerError::ClientChannelClosed);
return Poll::Ready(Err(err));
}
if self.permit.is_some() {
return Poll::Ready(Ok(()));
}
let permit = ready!(self.semaphore.poll_acquire(cx))
.expect("Client semaphore should not be closed!");
self.permit = Some(permit);
Poll::Ready(Ok(()))
}
#[expect(clippy::significant_drop_tightening)]
fn call(&mut self, request: PeerRequest) -> Self::Future {
let permit = self
.permit
.take()
.expect("poll_ready did not return ready before call to call");
let (tx, rx) = oneshot::channel();
let req = connection::ConnectionTaskRequest {
response_channel: tx,
request,
permit: Some(permit),
};
match self.connection_tx.upgrade() {
None => {
self.set_err(PeerError::ClientChannelClosed);
let resp = Err(PeerError::ClientChannelClosed.into());
drop(req.response_channel.send(resp));
}
Some(sender) => {
if let Err(e) = sender.try_send(req) {
// The connection task could have closed between a call to `poll_ready` and the call to
// `call`, which means if we don't handle the error here the receiver would panic.
use mpsc::error::TrySendError;
match e {
TrySendError::Closed(req) | TrySendError::Full(req) => {
self.set_err(PeerError::ClientChannelClosed);
let resp = Err(PeerError::ClientChannelClosed.into());
drop(req.response_channel.send(resp));
}
}
}
}
}
rx.into()
}
}

1
p2p/p2p-core/src/lib.rs
View file

@ -121,7 +121,6 @@ pub trait NetZoneAddress:
/// ///
/// - TODO: IP zone banning? /// - TODO: IP zone banning?
/// - TODO: rename this to Host. /// - TODO: rename this to Host.
type BanID: Debug + Hash + Eq + Clone + Copy + Send + 'static; type BanID: Debug + Hash + Eq + Clone + Copy + Send + 'static;
/// Changes the port of this address to `port`. /// Changes the port of this address to `port`.

4
p2p/p2p-core/src/protocol.rs
View file

@ -116,6 +116,7 @@ pub enum ProtocolResponse {
GetChain(ChainResponse), GetChain(ChainResponse),
NewFluffyBlock(NewFluffyBlock), NewFluffyBlock(NewFluffyBlock),
NewTransactions(NewTransactions), NewTransactions(NewTransactions),
FluffyMissingTransactionsRequest(FluffyMissingTransactionsRequest),
NA, NA,
} }
@ -139,6 +140,9 @@ impl PeerResponse {
ProtocolResponse::GetChain(_) => MessageID::GetChain, ProtocolResponse::GetChain(_) => MessageID::GetChain,
ProtocolResponse::NewFluffyBlock(_) => MessageID::NewBlock, ProtocolResponse::NewFluffyBlock(_) => MessageID::NewBlock,
ProtocolResponse::NewTransactions(_) => MessageID::NewFluffyBlock, ProtocolResponse::NewTransactions(_) => MessageID::NewFluffyBlock,
ProtocolResponse::FluffyMissingTransactionsRequest(_) => {
MessageID::FluffyMissingTxs
}
ProtocolResponse::NA => return None, ProtocolResponse::NA => return None,
}, },

3
p2p/p2p-core/src/protocol/try_from.rs
View file

@ -71,6 +71,9 @@ impl TryFrom<ProtocolResponse> for ProtocolMessage {
ProtocolResponse::NewFluffyBlock(val) => Self::NewFluffyBlock(val), ProtocolResponse::NewFluffyBlock(val) => Self::NewFluffyBlock(val),
ProtocolResponse::GetChain(val) => Self::ChainEntryResponse(val), ProtocolResponse::GetChain(val) => Self::ChainEntryResponse(val),
ProtocolResponse::GetObjects(val) => Self::GetObjectsResponse(val), ProtocolResponse::GetObjects(val) => Self::GetObjectsResponse(val),
ProtocolResponse::FluffyMissingTransactionsRequest(val) => {
Self::FluffyMissingTransactionsRequest(val)
}
ProtocolResponse::NA => return Err(MessageConversionError), ProtocolResponse::NA => return Err(MessageConversionError),
}) })
} }

4
p2p/p2p/Cargo.toml
View file

@ -20,12 +20,12 @@ monero-serai = { workspace = true, features = ["std"] }
tower = { workspace = true, features = ["buffer"] } tower = { workspace = true, features = ["buffer"] }
tokio = { workspace = true, features = ["rt", "rt-multi-thread"] } tokio = { workspace = true, features = ["rt", "rt-multi-thread"] }
rayon = { workspace = true }
tokio-util = { workspace = true } tokio-util = { workspace = true }
rayon = { workspace = true }
tokio-stream = { workspace = true, features = ["sync", "time"] } tokio-stream = { workspace = true, features = ["sync", "time"] }
futures = { workspace = true, features = ["std"] } futures = { workspace = true, features = ["std"] }
pin-project = { workspace = true } pin-project = { workspace = true }
dashmap = { workspace = true } indexmap = { workspace = true, features = ["std"] }
thiserror = { workspace = true } thiserror = { workspace = true }
bytes = { workspace = true, features = ["std"] } bytes = { workspace = true, features = ["std"] }

84
p2p/p2p/src/block_downloader.rs
View file

@ -8,7 +8,6 @@
use std::{ use std::{
cmp::{max, min, Reverse}, cmp::{max, min, Reverse},
collections::{BTreeMap, BinaryHeap}, collections::{BTreeMap, BinaryHeap},
sync::Arc,
time::Duration, time::Duration,
}; };
@ -18,7 +17,7 @@ use tokio::{
task::JoinSet, task::JoinSet,
time::{interval, timeout, MissedTickBehavior}, time::{interval, timeout, MissedTickBehavior},
}; };
use tower::{Service, ServiceExt}; use tower::{util::BoxCloneService, Service, ServiceExt};
use tracing::{instrument, Instrument, Span}; use tracing::{instrument, Instrument, Span};
use cuprate_async_buffer::{BufferAppender, BufferStream}; use cuprate_async_buffer::{BufferAppender, BufferStream};
@ -27,11 +26,11 @@ use cuprate_p2p_core::{handles::ConnectionHandle, NetworkZone};
use cuprate_pruning::PruningSeed; use cuprate_pruning::PruningSeed;
use crate::{ use crate::{
client_pool::{ClientPool, ClientPoolDropGuard},
constants::{ constants::{
BLOCK_DOWNLOADER_REQUEST_TIMEOUT, EMPTY_CHAIN_ENTRIES_BEFORE_TOP_ASSUMED, LONG_BAN, BLOCK_DOWNLOADER_REQUEST_TIMEOUT, EMPTY_CHAIN_ENTRIES_BEFORE_TOP_ASSUMED, LONG_BAN,
MAX_BLOCK_BATCH_LEN, MAX_DOWNLOAD_FAILURES, MAX_BLOCK_BATCH_LEN, MAX_DOWNLOAD_FAILURES,
}, },
peer_set::ClientDropGuard,
}; };
mod block_queue; mod block_queue;
@ -41,6 +40,7 @@ mod request_chain;
#[cfg(test)] #[cfg(test)]
mod tests; mod tests;
use crate::peer_set::{PeerSetRequest, PeerSetResponse};
use block_queue::{BlockQueue, ReadyQueueBatch}; use block_queue::{BlockQueue, ReadyQueueBatch};
use chain_tracker::{BlocksToRetrieve, ChainEntry, ChainTracker}; use chain_tracker::{BlocksToRetrieve, ChainEntry, ChainTracker};
use download_batch::download_batch_task; use download_batch::download_batch_task;
@ -62,15 +62,15 @@ pub struct BlockBatch {
pub struct BlockDownloaderConfig { pub struct BlockDownloaderConfig {
/// The size in bytes of the buffer between the block downloader and the place which /// The size in bytes of the buffer between the block downloader and the place which
/// is consuming the downloaded blocks. /// is consuming the downloaded blocks.
pub buffer_size: usize, pub buffer_bytes: usize,
/// The size of the in progress queue (in bytes) at which we stop requesting more blocks. /// The size of the in progress queue (in bytes) at which we stop requesting more blocks.
pub in_progress_queue_size: usize, pub in_progress_queue_bytes: usize,
/// The [`Duration`] between checking the client pool for free peers. /// The [`Duration`] between checking the client pool for free peers.
pub check_client_pool_interval: Duration, pub check_client_pool_interval: Duration,
/// The target size of a single batch of blocks (in bytes). /// The target size of a single batch of blocks (in bytes).
pub target_batch_size: usize, pub target_batch_bytes: usize,
/// The initial amount of blocks to request (in number of blocks) /// The initial amount of blocks to request (in number of blocks)
pub initial_batch_size: usize, pub initial_batch_len: usize,
} }
/// An error that occurred in the [`BlockDownloader`]. /// An error that occurred in the [`BlockDownloader`].
@ -135,7 +135,7 @@ pub enum ChainSvcResponse {
/// call this function again, so it can start the search again. /// call this function again, so it can start the search again.
#[instrument(level = "error", skip_all, name = "block_downloader")] #[instrument(level = "error", skip_all, name = "block_downloader")]
pub fn download_blocks<N: NetworkZone, C>( pub fn download_blocks<N: NetworkZone, C>(
client_pool: Arc<ClientPool<N>>, peer_set: BoxCloneService<PeerSetRequest, PeerSetResponse<N>, tower::BoxError>,
our_chain_svc: C, our_chain_svc: C,
config: BlockDownloaderConfig, config: BlockDownloaderConfig,
) -> BufferStream<BlockBatch> ) -> BufferStream<BlockBatch>
@ -145,10 +145,9 @@ where
+ 'static, + 'static,
C::Future: Send + 'static, C::Future: Send + 'static,
{ {
let (buffer_appender, buffer_stream) = cuprate_async_buffer::new_buffer(config.buffer_size); let (buffer_appender, buffer_stream) = cuprate_async_buffer::new_buffer(config.buffer_bytes);
let block_downloader = let block_downloader = BlockDownloader::new(peer_set, our_chain_svc, buffer_appender, config);
BlockDownloader::new(client_pool, our_chain_svc, buffer_appender, config);
tokio::spawn( tokio::spawn(
block_downloader block_downloader
@ -186,8 +185,8 @@ where
/// - download an already requested batch of blocks (this might happen due to an error in the previous request /// - download an already requested batch of blocks (this might happen due to an error in the previous request
/// or because the queue of ready blocks is too large, so we need the oldest block to clear it). /// or because the queue of ready blocks is too large, so we need the oldest block to clear it).
struct BlockDownloader<N: NetworkZone, C> { struct BlockDownloader<N: NetworkZone, C> {
/// The client pool. /// The peer set.
client_pool: Arc<ClientPool<N>>, peer_set: BoxCloneService<PeerSetRequest, PeerSetResponse<N>, tower::BoxError>,
/// The service that holds our current chain state. /// The service that holds our current chain state.
our_chain_svc: C, our_chain_svc: C,
@ -208,7 +207,7 @@ struct BlockDownloader<N: NetworkZone, C> {
/// ///
/// Returns a result of the chain entry or an error. /// Returns a result of the chain entry or an error.
#[expect(clippy::type_complexity)] #[expect(clippy::type_complexity)]
chain_entry_task: JoinSet<Result<(ClientPoolDropGuard<N>, ChainEntry<N>), BlockDownloadError>>, chain_entry_task: JoinSet<Result<(ClientDropGuard<N>, ChainEntry<N>), BlockDownloadError>>,
/// The current inflight requests. /// The current inflight requests.
/// ///
@ -235,15 +234,15 @@ where
{ {
/// Creates a new [`BlockDownloader`] /// Creates a new [`BlockDownloader`]
fn new( fn new(
client_pool: Arc<ClientPool<N>>, peer_set: BoxCloneService<PeerSetRequest, PeerSetResponse<N>, tower::BoxError>,
our_chain_svc: C, our_chain_svc: C,
buffer_appender: BufferAppender<BlockBatch>, buffer_appender: BufferAppender<BlockBatch>,
config: BlockDownloaderConfig, config: BlockDownloaderConfig,
) -> Self { ) -> Self {
Self { Self {
client_pool, peer_set,
our_chain_svc, our_chain_svc,
amount_of_blocks_to_request: config.initial_batch_size, amount_of_blocks_to_request: config.initial_batch_len,
amount_of_blocks_to_request_updated_at: 0, amount_of_blocks_to_request_updated_at: 0,
amount_of_empty_chain_entries: 0, amount_of_empty_chain_entries: 0,
block_download_tasks: JoinSet::new(), block_download_tasks: JoinSet::new(),
@ -259,7 +258,7 @@ where
fn check_pending_peers( fn check_pending_peers(
&mut self, &mut self,
chain_tracker: &mut ChainTracker<N>, chain_tracker: &mut ChainTracker<N>,
pending_peers: &mut BTreeMap<PruningSeed, Vec<ClientPoolDropGuard<N>>>, pending_peers: &mut BTreeMap<PruningSeed, Vec<ClientDropGuard<N>>>,
) { ) {
tracing::debug!("Checking if we can give any work to pending peers."); tracing::debug!("Checking if we can give any work to pending peers.");
@ -286,11 +285,11 @@ where
/// This function will find the batch(es) that we are waiting on to clear our ready queue and sends another request /// This function will find the batch(es) that we are waiting on to clear our ready queue and sends another request
/// for them. /// for them.
/// ///
/// Returns the [`ClientPoolDropGuard`] back if it doesn't have the batch according to its pruning seed. /// Returns the [`ClientDropGuard`] back if it doesn't have the batch according to its pruning seed.
fn request_inflight_batch_again( fn request_inflight_batch_again(
&mut self, &mut self,
client: ClientPoolDropGuard<N>, client: ClientDropGuard<N>,
) -> Option<ClientPoolDropGuard<N>> { ) -> Option<ClientDropGuard<N>> {
tracing::debug!( tracing::debug!(
"Requesting an inflight batch, current ready queue size: {}", "Requesting an inflight batch, current ready queue size: {}",
self.block_queue.size() self.block_queue.size()
@ -336,13 +335,13 @@ where
/// ///
/// The batch requested will depend on our current state, failed batches will be prioritised. /// The batch requested will depend on our current state, failed batches will be prioritised.
/// ///
/// Returns the [`ClientPoolDropGuard`] back if it doesn't have the data we currently need according /// Returns the [`ClientDropGuard`] back if it doesn't have the data we currently need according
/// to its pruning seed. /// to its pruning seed.
fn request_block_batch( fn request_block_batch(
&mut self, &mut self,
chain_tracker: &mut ChainTracker<N>, chain_tracker: &mut ChainTracker<N>,
client: ClientPoolDropGuard<N>, client: ClientDropGuard<N>,
) -> Option<ClientPoolDropGuard<N>> { ) -> Option<ClientDropGuard<N>> {
tracing::trace!("Using peer to request a batch of blocks."); tracing::trace!("Using peer to request a batch of blocks.");
// First look to see if we have any failed requests. // First look to see if we have any failed requests.
while let Some(failed_request) = self.failed_batches.peek() { while let Some(failed_request) = self.failed_batches.peek() {
@ -382,7 +381,7 @@ where
} }
// If our ready queue is too large send duplicate requests for the blocks we are waiting on. // If our ready queue is too large send duplicate requests for the blocks we are waiting on.
if self.block_queue.size() >= self.config.in_progress_queue_size { if self.block_queue.size() >= self.config.in_progress_queue_bytes {
return self.request_inflight_batch_again(client); return self.request_inflight_batch_again(client);
} }
@ -416,13 +415,13 @@ where
/// This function will use our current state to decide if we should send a request for a chain entry /// This function will use our current state to decide if we should send a request for a chain entry
/// or if we should request a batch of blocks. /// or if we should request a batch of blocks.
/// ///
/// Returns the [`ClientPoolDropGuard`] back if it doesn't have the data we currently need according /// Returns the [`ClientDropGuard`] back if it doesn't have the data we currently need according
/// to its pruning seed. /// to its pruning seed.
fn try_handle_free_client( fn try_handle_free_client(
&mut self, &mut self,
chain_tracker: &mut ChainTracker<N>, chain_tracker: &mut ChainTracker<N>,
client: ClientPoolDropGuard<N>, client: ClientDropGuard<N>,
) -> Option<ClientPoolDropGuard<N>> { ) -> Option<ClientDropGuard<N>> {
// We send 2 requests, so if one of them is slow or doesn't have the next chain, we still have a backup. // We send 2 requests, so if one of them is slow or doesn't have the next chain, we still have a backup.
if self.chain_entry_task.len() < 2 if self.chain_entry_task.len() < 2
// If we have had too many failures then assume the tip has been found so no more chain entries. // If we have had too many failures then assume the tip has been found so no more chain entries.
@ -463,7 +462,7 @@ where
async fn check_for_free_clients( async fn check_for_free_clients(
&mut self, &mut self,
chain_tracker: &mut ChainTracker<N>, chain_tracker: &mut ChainTracker<N>,
pending_peers: &mut BTreeMap<PruningSeed, Vec<ClientPoolDropGuard<N>>>, pending_peers: &mut BTreeMap<PruningSeed, Vec<ClientDropGuard<N>>>,
) -> Result<(), BlockDownloadError> { ) -> Result<(), BlockDownloadError> {
tracing::debug!("Checking for free peers"); tracing::debug!("Checking for free peers");
@ -478,10 +477,19 @@ where
panic!("Chain service returned wrong response."); panic!("Chain service returned wrong response.");
}; };
for client in self let PeerSetResponse::PeersWithMorePoW(clients) = self
.client_pool .peer_set
.clients_with_more_cumulative_difficulty(current_cumulative_difficulty) .ready()
{ .await?
.call(PeerSetRequest::PeersWithMorePoW(
current_cumulative_difficulty,
))
.await?
else {
unreachable!();
};
for client in clients {
pending_peers pending_peers
.entry(client.info.pruning_seed) .entry(client.info.pruning_seed)
.or_default() .or_default()
@ -497,9 +505,9 @@ where
async fn handle_download_batch_res( async fn handle_download_batch_res(
&mut self, &mut self,
start_height: usize, start_height: usize,
res: Result<(ClientPoolDropGuard<N>, BlockBatch), BlockDownloadError>, res: Result<(ClientDropGuard<N>, BlockBatch), BlockDownloadError>,
chain_tracker: &mut ChainTracker<N>, chain_tracker: &mut ChainTracker<N>,
pending_peers: &mut BTreeMap<PruningSeed, Vec<ClientPoolDropGuard<N>>>, pending_peers: &mut BTreeMap<PruningSeed, Vec<ClientDropGuard<N>>>,
) -> Result<(), BlockDownloadError> { ) -> Result<(), BlockDownloadError> {
tracing::debug!("Handling block download response"); tracing::debug!("Handling block download response");
@ -557,7 +565,7 @@ where
self.amount_of_blocks_to_request = calculate_next_block_batch_size( self.amount_of_blocks_to_request = calculate_next_block_batch_size(
block_batch.size, block_batch.size,
block_batch.blocks.len(), block_batch.blocks.len(),
self.config.target_batch_size, self.config.target_batch_bytes,
); );
tracing::debug!( tracing::debug!(
@ -593,7 +601,7 @@ where
/// Starts the main loop of the block downloader. /// Starts the main loop of the block downloader.
async fn run(mut self) -> Result<(), BlockDownloadError> { async fn run(mut self) -> Result<(), BlockDownloadError> {
let mut chain_tracker = let mut chain_tracker =
initial_chain_search(&self.client_pool, &mut self.our_chain_svc).await?; initial_chain_search(&mut self.peer_set, &mut self.our_chain_svc).await?;
let mut pending_peers = BTreeMap::new(); let mut pending_peers = BTreeMap::new();
@ -662,7 +670,7 @@ struct BlockDownloadTaskResponse<N: NetworkZone> {
/// The start height of the batch. /// The start height of the batch.
start_height: usize, start_height: usize,
/// A result containing the batch or an error. /// A result containing the batch or an error.
result: Result<(ClientPoolDropGuard<N>, BlockBatch), BlockDownloadError>, result: Result<(ClientDropGuard<N>, BlockBatch), BlockDownloadError>,
} }
/// Returns if a peer has all the blocks in a range, according to its [`PruningSeed`]. /// Returns if a peer has all the blocks in a range, according to its [`PruningSeed`].

12
p2p/p2p/src/block_downloader/download_batch.rs
View file

@ -16,8 +16,8 @@ use cuprate_wire::protocol::{GetObjectsRequest, GetObjectsResponse};
use crate::{ use crate::{
block_downloader::{BlockBatch, BlockDownloadError, BlockDownloadTaskResponse}, block_downloader::{BlockBatch, BlockDownloadError, BlockDownloadTaskResponse},
client_pool::ClientPoolDropGuard,
constants::{BLOCK_DOWNLOADER_REQUEST_TIMEOUT, MAX_TRANSACTION_BLOB_SIZE, MEDIUM_BAN}, constants::{BLOCK_DOWNLOADER_REQUEST_TIMEOUT, MAX_TRANSACTION_BLOB_SIZE, MEDIUM_BAN},
peer_set::ClientDropGuard,
}; };
/// Attempts to request a batch of blocks from a peer, returning [`BlockDownloadTaskResponse`]. /// Attempts to request a batch of blocks from a peer, returning [`BlockDownloadTaskResponse`].
@ -32,7 +32,7 @@ use crate::{
)] )]
#[expect(clippy::used_underscore_binding)] #[expect(clippy::used_underscore_binding)]
pub async fn download_batch_task<N: NetworkZone>( pub async fn download_batch_task<N: NetworkZone>(
client: ClientPoolDropGuard<N>, client: ClientDropGuard<N>,
ids: ByteArrayVec<32>, ids: ByteArrayVec<32>,
previous_id: [u8; 32], previous_id: [u8; 32],
expected_start_height: usize, expected_start_height: usize,
@ -49,11 +49,11 @@ pub async fn download_batch_task<N: NetworkZone>(
/// This function will validate the blocks that were downloaded were the ones asked for and that they match /// This function will validate the blocks that were downloaded were the ones asked for and that they match
/// the expected height. /// the expected height.
async fn request_batch_from_peer<N: NetworkZone>( async fn request_batch_from_peer<N: NetworkZone>(
mut client: ClientPoolDropGuard<N>, mut client: ClientDropGuard<N>,
ids: ByteArrayVec<32>, ids: ByteArrayVec<32>,
previous_id: [u8; 32], previous_id: [u8; 32],
expected_start_height: usize, expected_start_height: usize,
) -> Result<(ClientPoolDropGuard<N>, BlockBatch), BlockDownloadError> { ) -> Result<(ClientDropGuard<N>, BlockBatch), BlockDownloadError> {
let request = PeerRequest::Protocol(ProtocolRequest::GetObjects(GetObjectsRequest { let request = PeerRequest::Protocol(ProtocolRequest::GetObjects(GetObjectsRequest {
blocks: ids.clone(), blocks: ids.clone(),
pruned: false, pruned: false,
@ -146,9 +146,9 @@ fn deserialize_batch(
// Check the height lines up as expected. // Check the height lines up as expected.
// This must happen after the hash check. // This must happen after the hash check.
if !block if block
.number() .number()
.is_some_and(|height| height == expected_height) .is_none_or(|height| height != expected_height)
{ {
tracing::warn!( tracing::warn!(
"Invalid chain, expected height: {expected_height}, got height: {:?}", "Invalid chain, expected height: {expected_height}, got height: {:?}",

24
p2p/p2p/src/block_downloader/request_chain.rs
View file

@ -1,7 +1,7 @@
use std::{mem, sync::Arc}; use std::mem;
use tokio::{task::JoinSet, time::timeout}; use tokio::{task::JoinSet, time::timeout};
use tower::{Service, ServiceExt}; use tower::{util::BoxCloneService, Service, ServiceExt};
use tracing::{instrument, Instrument, Span}; use tracing::{instrument, Instrument, Span};
use cuprate_p2p_core::{ use cuprate_p2p_core::{
@ -15,11 +15,11 @@ use crate::{
chain_tracker::{ChainEntry, ChainTracker}, chain_tracker::{ChainEntry, ChainTracker},
BlockDownloadError, ChainSvcRequest, ChainSvcResponse, BlockDownloadError, ChainSvcRequest, ChainSvcResponse,
}, },
client_pool::{ClientPool, ClientPoolDropGuard},
constants::{ constants::{
BLOCK_DOWNLOADER_REQUEST_TIMEOUT, INITIAL_CHAIN_REQUESTS_TO_SEND, BLOCK_DOWNLOADER_REQUEST_TIMEOUT, INITIAL_CHAIN_REQUESTS_TO_SEND,
MAX_BLOCKS_IDS_IN_CHAIN_ENTRY, MEDIUM_BAN, MAX_BLOCKS_IDS_IN_CHAIN_ENTRY, MEDIUM_BAN,
}, },
peer_set::{ClientDropGuard, PeerSetRequest, PeerSetResponse},
}; };
/// Request a chain entry from a peer. /// Request a chain entry from a peer.
@ -27,9 +27,9 @@ use crate::{
/// Because the block downloader only follows and downloads one chain we only have to send the block hash of /// Because the block downloader only follows and downloads one chain we only have to send the block hash of
/// top block we have found and the genesis block, this is then called `short_history`. /// top block we have found and the genesis block, this is then called `short_history`.
pub(crate) async fn request_chain_entry_from_peer<N: NetworkZone>( pub(crate) async fn request_chain_entry_from_peer<N: NetworkZone>(
mut client: ClientPoolDropGuard<N>, mut client: ClientDropGuard<N>,
short_history: [[u8; 32]; 2], short_history: [[u8; 32]; 2],
) -> Result<(ClientPoolDropGuard<N>, ChainEntry<N>), BlockDownloadError> { ) -> Result<(ClientDropGuard<N>, ChainEntry<N>), BlockDownloadError> {
let PeerResponse::Protocol(ProtocolResponse::GetChain(chain_res)) = client let PeerResponse::Protocol(ProtocolResponse::GetChain(chain_res)) = client
.ready() .ready()
.await? .await?
@ -80,7 +80,7 @@ pub(crate) async fn request_chain_entry_from_peer<N: NetworkZone>(
/// We then wait for their response and choose the peer who claims the highest cumulative difficulty. /// We then wait for their response and choose the peer who claims the highest cumulative difficulty.
#[instrument(level = "error", skip_all)] #[instrument(level = "error", skip_all)]
pub async fn initial_chain_search<N: NetworkZone, C>( pub async fn initial_chain_search<N: NetworkZone, C>(
client_pool: &Arc<ClientPool<N>>, peer_set: &mut BoxCloneService<PeerSetRequest, PeerSetResponse<N>, tower::BoxError>,
mut our_chain_svc: C, mut our_chain_svc: C,
) -> Result<ChainTracker<N>, BlockDownloadError> ) -> Result<ChainTracker<N>, BlockDownloadError>
where where
@ -102,9 +102,15 @@ where
let our_genesis = *block_ids.last().expect("Blockchain had no genesis block."); let our_genesis = *block_ids.last().expect("Blockchain had no genesis block.");
let mut peers = client_pool let PeerSetResponse::PeersWithMorePoW(clients) = peer_set
.clients_with_more_cumulative_difficulty(cumulative_difficulty) .ready()
.into_iter(); .await?
.call(PeerSetRequest::PeersWithMorePoW(cumulative_difficulty))
.await?
else {
unreachable!();
};
let mut peers = clients.into_iter();
let mut futs = JoinSet::new(); let mut futs = JoinSet::new();

23
p2p/p2p/src/block_downloader/tests.rs
View file

@ -14,8 +14,8 @@ use monero_serai::{
transaction::{Input, Timelock, Transaction, TransactionPrefix}, transaction::{Input, Timelock, Transaction, TransactionPrefix},
}; };
use proptest::{collection::vec, prelude::*}; use proptest::{collection::vec, prelude::*};
use tokio::time::timeout; use tokio::{sync::mpsc, time::timeout};
use tower::{service_fn, Service}; use tower::{buffer::Buffer, service_fn, Service, ServiceExt};
use cuprate_fixed_bytes::ByteArrayVec; use cuprate_fixed_bytes::ByteArrayVec;
use cuprate_p2p_core::{ use cuprate_p2p_core::{
@ -31,7 +31,7 @@ use cuprate_wire::{
use crate::{ use crate::{
block_downloader::{download_blocks, BlockDownloaderConfig, ChainSvcRequest, ChainSvcResponse}, block_downloader::{download_blocks, BlockDownloaderConfig, ChainSvcRequest, ChainSvcResponse},
client_pool::ClientPool, peer_set::PeerSet,
}; };
proptest! { proptest! {
@ -48,28 +48,29 @@ proptest! {
let tokio_pool = tokio::runtime::Builder::new_multi_thread().enable_all().build().unwrap(); let tokio_pool = tokio::runtime::Builder::new_multi_thread().enable_all().build().unwrap();
#[expect(clippy::significant_drop_tightening)]
tokio_pool.block_on(async move { tokio_pool.block_on(async move {
timeout(Duration::from_secs(600), async move { timeout(Duration::from_secs(600), async move {
let client_pool = ClientPool::new(); let (new_connection_tx, new_connection_rx) = mpsc::channel(peers);
let peer_set = PeerSet::new(new_connection_rx);
for _ in 0..peers { for _ in 0..peers {
let client = mock_block_downloader_client(Arc::clone(&blockchain)); let client = mock_block_downloader_client(Arc::clone(&blockchain));
client_pool.add_new_client(client); new_connection_tx.try_send(client).unwrap();
} }
let stream = download_blocks( let stream = download_blocks(
client_pool, Buffer::new(peer_set, 10).boxed_clone(),
OurChainSvc { OurChainSvc {
genesis: *blockchain.blocks.first().unwrap().0 genesis: *blockchain.blocks.first().unwrap().0
}, },
BlockDownloaderConfig { BlockDownloaderConfig {
buffer_size: 1_000, buffer_bytes: 1_000,
in_progress_queue_size: 10_000, in_progress_queue_bytes: 10_000,
check_client_pool_interval: Duration::from_secs(5), check_client_pool_interval: Duration::from_secs(5),
target_batch_size: 5_000, target_batch_bytes: 5_000,
initial_batch_size: 1, initial_batch_len: 1,
}); });
let blocks = stream.map(|blocks| blocks.blocks).concat().await; let blocks = stream.map(|blocks| blocks.blocks).concat().await;

1
p2p/p2p/src/broadcast.rs
View file

@ -57,6 +57,7 @@ impl Default for BroadcastConfig {
/// - The [`BroadcastSvc`] /// - The [`BroadcastSvc`]
/// - A function that takes in [`InternalPeerID`]s and produces [`BroadcastMessageStream`]s to give to **outbound** peers. /// - A function that takes in [`InternalPeerID`]s and produces [`BroadcastMessageStream`]s to give to **outbound** peers.
/// - A function that takes in [`InternalPeerID`]s and produces [`BroadcastMessageStream`]s to give to **inbound** peers. /// - A function that takes in [`InternalPeerID`]s and produces [`BroadcastMessageStream`]s to give to **inbound** peers.
#[expect(clippy::type_complexity)]
pub(crate) fn init_broadcast_channels<N: NetworkZone>( pub(crate) fn init_broadcast_channels<N: NetworkZone>(
config: BroadcastConfig, config: BroadcastConfig,
) -> ( ) -> (

188
p2p/p2p/src/client_pool.rs
View file

@ -1,188 +0,0 @@
//! # Client Pool.
//!
//! The [`ClientPool`], is a pool of currently connected peers that can be pulled from.
//! It does _not_ necessarily contain every connected peer as another place could have
//! taken a peer from the pool.
//!
//! When taking peers from the pool they are wrapped in [`ClientPoolDropGuard`], which
//! returns the peer to the pool when it is dropped.
//!
//! Internally the pool is a [`DashMap`] which means care should be taken in `async` code
//! as internally this uses blocking `RwLock`s.
use std::sync::Arc;
use dashmap::DashMap;
use tokio::sync::mpsc;
use tracing::{Instrument, Span};
use cuprate_p2p_core::{
client::{Client, InternalPeerID},
handles::ConnectionHandle,
ConnectionDirection, NetworkZone,
};
pub(crate) mod disconnect_monitor;
mod drop_guard_client;
pub use drop_guard_client::ClientPoolDropGuard;
/// The client pool, which holds currently connected free peers.
///
/// See the [module docs](self) for more.
pub struct ClientPool<N: NetworkZone> {
/// The connected [`Client`]s.
clients: DashMap<InternalPeerID<N::Addr>, Client<N>>,
/// A channel to send new peer ids down to monitor for disconnect.
new_connection_tx: mpsc::UnboundedSender<(ConnectionHandle, InternalPeerID<N::Addr>)>,
}
impl<N: NetworkZone> ClientPool<N> {
/// Returns a new [`ClientPool`] wrapped in an [`Arc`].
pub fn new() -> Arc<Self> {
let (tx, rx) = mpsc::unbounded_channel();
let pool = Arc::new(Self {
clients: DashMap::new(),
new_connection_tx: tx,
});
tokio::spawn(
disconnect_monitor::disconnect_monitor(rx, Arc::clone(&pool))
.instrument(Span::current()),
);
pool
}
/// Adds a [`Client`] to the pool, the client must have previously been taken from the
/// pool.
///
/// See [`ClientPool::add_new_client`] to add a [`Client`] which was not taken from the pool before.
///
/// # Panics
/// This function panics if `client` already exists in the pool.
fn add_client(&self, client: Client<N>) {
let handle = client.info.handle.clone();
let id = client.info.id;
// Fast path: if the client is disconnected don't add it to the peer set.
if handle.is_closed() {
return;
}
assert!(self.clients.insert(id, client).is_none());
// We have to check this again otherwise we could have a race condition where a
// peer is disconnected after the first check, the disconnect monitor tries to remove it,
// and then it is added to the pool.
if handle.is_closed() {
self.remove_client(&id);
}
}
/// Adds a _new_ [`Client`] to the pool, this client should be a new connection, and not already
/// from the pool.
///
/// # Panics
/// This function panics if `client` already exists in the pool.
pub fn add_new_client(&self, client: Client<N>) {
self.new_connection_tx
.send((client.info.handle.clone(), client.info.id))
.unwrap();
self.add_client(client);
}
/// Remove a [`Client`] from the pool.
///
/// [`None`] is returned if the client did not exist in the pool.
fn remove_client(&self, peer: &InternalPeerID<N::Addr>) -> Option<Client<N>> {
self.clients.remove(peer).map(|(_, client)| client)
}
/// Borrows a [`Client`] from the pool.
///
/// The [`Client`] is wrapped in [`ClientPoolDropGuard`] which
/// will return the client to the pool when it's dropped.
///
/// See [`Self::borrow_clients`] for borrowing multiple clients.
pub fn borrow_client(
self: &Arc<Self>,
peer: &InternalPeerID<N::Addr>,
) -> Option<ClientPoolDropGuard<N>> {
self.remove_client(peer).map(|client| ClientPoolDropGuard {
pool: Arc::clone(self),
client: Some(client),
})
}
/// Borrows multiple [`Client`]s from the pool.
///
/// Note that the returned iterator is not guaranteed to contain every peer asked for.
///
/// See [`Self::borrow_client`] for borrowing a single client.
pub fn borrow_clients<'a, 'b>(
self: &'a Arc<Self>,
peers: &'b [InternalPeerID<N::Addr>],
) -> impl Iterator<Item = ClientPoolDropGuard<N>> + sealed::Captures<(&'a (), &'b ())> {
peers.iter().filter_map(|peer| self.borrow_client(peer))
}
/// Borrows all [`Client`]s from the pool that have claimed a higher cumulative difficulty than
/// the amount passed in.
///
/// The [`Client`]s are wrapped in [`ClientPoolDropGuard`] which
/// will return the clients to the pool when they are dropped.
pub fn clients_with_more_cumulative_difficulty(
self: &Arc<Self>,
cumulative_difficulty: u128,
) -> Vec<ClientPoolDropGuard<N>> {
let peers = self
.clients
.iter()
.filter_map(|element| {
let peer_sync_info = element.value().info.core_sync_data.lock().unwrap();
if peer_sync_info.cumulative_difficulty() > cumulative_difficulty {
Some(*element.key())
} else {
None
}
})
.collect::<Vec<_>>();
self.borrow_clients(&peers).collect()
}
/// Checks all clients in the pool checking if any claim a higher cumulative difficulty than the
/// amount specified.
pub fn contains_client_with_more_cumulative_difficulty(
&self,
cumulative_difficulty: u128,
) -> bool {
self.clients.iter().any(|element| {
let sync_data = element.value().info.core_sync_data.lock().unwrap();
sync_data.cumulative_difficulty() > cumulative_difficulty
})
}
/// Returns the first outbound peer when iterating over the peers.
pub fn outbound_client(self: &Arc<Self>) -> Option<ClientPoolDropGuard<N>> {
let client = self
.clients
.iter()
.find(|element| element.value().info.direction == ConnectionDirection::Outbound)?;
let id = *client.key();
Some(self.borrow_client(&id).unwrap())
}
}
mod sealed {
/// TODO: Remove me when 2024 Rust
///
/// <https://rust-lang.github.io/rfcs/3498-lifetime-capture-rules-2024.html#the-captures-trick>
pub trait Captures<U> {}
impl<T: ?Sized, U> Captures<U> for T {}
}

83
p2p/p2p/src/client_pool/disconnect_monitor.rs
View file

@ -1,83 +0,0 @@
//! # Disconnect Monitor
//!
//! This module contains the [`disconnect_monitor`] task, which monitors connected peers for disconnection
//! and then removes them from the [`ClientPool`] if they do.
use std::{
future::Future,
pin::Pin,
sync::Arc,
task::{Context, Poll},
};
use futures::{stream::FuturesUnordered, StreamExt};
use tokio::sync::mpsc;
use tokio_util::sync::WaitForCancellationFutureOwned;
use tracing::instrument;
use cuprate_p2p_core::{client::InternalPeerID, handles::ConnectionHandle, NetworkZone};
use super::ClientPool;
/// The disconnect monitor task.
#[instrument(level = "info", skip_all)]
pub async fn disconnect_monitor<N: NetworkZone>(
mut new_connection_rx: mpsc::UnboundedReceiver<(ConnectionHandle, InternalPeerID<N::Addr>)>,
client_pool: Arc<ClientPool<N>>,
) {
// We need to hold a weak reference otherwise the client pool and this would hold a reference to
// each other causing the pool to be leaked.
let weak_client_pool = Arc::downgrade(&client_pool);
drop(client_pool);
tracing::info!("Starting peer disconnect monitor.");
let mut futs: FuturesUnordered<PeerDisconnectFut<N>> = FuturesUnordered::new();
loop {
tokio::select! {
Some((con_handle, peer_id)) = new_connection_rx.recv() => {
tracing::debug!("Monitoring {peer_id} for disconnect");
futs.push(PeerDisconnectFut {
closed_fut: con_handle.closed(),
peer_id: Some(peer_id),
});
}
Some(peer_id) = futs.next() => {
tracing::debug!("{peer_id} has disconnected, removing from client pool.");
let Some(pool) = weak_client_pool.upgrade() else {
tracing::info!("Peer disconnect monitor shutting down.");
return;
};
pool.remove_client(&peer_id);
drop(pool);
}
else => {
tracing::info!("Peer disconnect monitor shutting down.");
return;
}
}
}
}
/// A [`Future`] that resolves when a peer disconnects.
#[pin_project::pin_project]
pub(crate) struct PeerDisconnectFut<N: NetworkZone> {
/// The inner [`Future`] that resolves when a peer disconnects.
#[pin]
pub(crate) closed_fut: WaitForCancellationFutureOwned,
/// The peers ID.
pub(crate) peer_id: Option<InternalPeerID<N::Addr>>,
}
impl<N: NetworkZone> Future for PeerDisconnectFut<N> {
type Output = InternalPeerID<N::Addr>;
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
let this = self.project();
this.closed_fut
.poll(cx)
.map(|()| this.peer_id.take().unwrap())
}
}

41
p2p/p2p/src/client_pool/drop_guard_client.rs
View file

@ -1,41 +0,0 @@
use std::{
ops::{Deref, DerefMut},
sync::Arc,
};
use cuprate_p2p_core::{client::Client, NetworkZone};
use crate::client_pool::ClientPool;
/// A wrapper around [`Client`] which returns the client to the [`ClientPool`] when dropped.
pub struct ClientPoolDropGuard<N: NetworkZone> {
/// The [`ClientPool`] to return the peer to.
pub(super) pool: Arc<ClientPool<N>>,
/// The [`Client`].
///
/// This is set to [`Some`] when this guard is created, then
/// [`take`](Option::take)n and returned to the pool when dropped.
pub(super) client: Option<Client<N>>,
}
impl<N: NetworkZone> Deref for ClientPoolDropGuard<N> {
type Target = Client<N>;
fn deref(&self) -> &Self::Target {
self.client.as_ref().unwrap()
}
}
impl<N: NetworkZone> DerefMut for ClientPoolDropGuard<N> {
fn deref_mut(&mut self) -> &mut Self::Target {
self.client.as_mut().unwrap()
}
}
impl<N: NetworkZone> Drop for ClientPoolDropGuard<N> {
fn drop(&mut self) {
let client = self.client.take().unwrap();
self.pool.add_client(client);
}
}

11
p2p/p2p/src/connection_maintainer.rs
View file

@ -21,7 +21,6 @@ use cuprate_p2p_core::{
}; };
use crate::{ use crate::{
client_pool::ClientPool,
config::P2PConfig, config::P2PConfig,
constants::{HANDSHAKE_TIMEOUT, MAX_SEED_CONNECTIONS, OUTBOUND_CONNECTION_ATTEMPT_TIMEOUT}, constants::{HANDSHAKE_TIMEOUT, MAX_SEED_CONNECTIONS, OUTBOUND_CONNECTION_ATTEMPT_TIMEOUT},
}; };
@ -46,7 +45,7 @@ pub struct MakeConnectionRequest {
/// This handles maintaining a minimum number of connections and making extra connections when needed, upto a maximum. /// This handles maintaining a minimum number of connections and making extra connections when needed, upto a maximum.
pub struct OutboundConnectionKeeper<N: NetworkZone, A, C> { pub struct OutboundConnectionKeeper<N: NetworkZone, A, C> {
/// The pool of currently connected peers. /// The pool of currently connected peers.
pub client_pool: Arc<ClientPool<N>>, pub new_peers_tx: mpsc::Sender<Client<N>>,
/// The channel that tells us to make new _extra_ outbound connections. /// The channel that tells us to make new _extra_ outbound connections.
pub make_connection_rx: mpsc::Receiver<MakeConnectionRequest>, pub make_connection_rx: mpsc::Receiver<MakeConnectionRequest>,
/// The address book service /// The address book service
@ -77,7 +76,7 @@ where
{ {
pub fn new( pub fn new(
config: P2PConfig<N>, config: P2PConfig<N>,
client_pool: Arc<ClientPool<N>>, new_peers_tx: mpsc::Sender<Client<N>>,
make_connection_rx: mpsc::Receiver<MakeConnectionRequest>, make_connection_rx: mpsc::Receiver<MakeConnectionRequest>,
address_book_svc: A, address_book_svc: A,
connector_svc: C, connector_svc: C,
@ -86,7 +85,7 @@ where
.expect("Gray peer percent is incorrect should be 0..=1"); .expect("Gray peer percent is incorrect should be 0..=1");
Self { Self {
client_pool, new_peers_tx,
make_connection_rx, make_connection_rx,
address_book_svc, address_book_svc,
connector_svc, connector_svc,
@ -149,7 +148,7 @@ where
/// Connects to a given outbound peer. /// Connects to a given outbound peer.
#[instrument(level = "info", skip_all)] #[instrument(level = "info", skip_all)]
async fn connect_to_outbound_peer(&mut self, permit: OwnedSemaphorePermit, addr: N::Addr) { async fn connect_to_outbound_peer(&mut self, permit: OwnedSemaphorePermit, addr: N::Addr) {
let client_pool = Arc::clone(&self.client_pool); let new_peers_tx = self.new_peers_tx.clone();
let connection_fut = self let connection_fut = self
.connector_svc .connector_svc
.ready() .ready()
@ -164,7 +163,7 @@ where
async move { async move {
#[expect(clippy::significant_drop_in_scrutinee)] #[expect(clippy::significant_drop_in_scrutinee)]
if let Ok(Ok(peer)) = timeout(HANDSHAKE_TIMEOUT, connection_fut).await { if let Ok(Ok(peer)) = timeout(HANDSHAKE_TIMEOUT, connection_fut).await {
client_pool.add_new_client(peer); drop(new_peers_tx.send(peer).await);
} }
} }
.instrument(Span::current()), .instrument(Span::current()),

6
p2p/p2p/src/constants.rs
View file

@ -52,7 +52,7 @@ pub(crate) const INITIAL_CHAIN_REQUESTS_TO_SEND: usize = 3;
/// The enforced maximum amount of blocks to request in a batch. /// The enforced maximum amount of blocks to request in a batch.
/// ///
/// Requesting more than this will cause the peer to disconnect and potentially lead to bans. /// Requesting more than this will cause the peer to disconnect and potentially lead to bans.
pub(crate) const MAX_BLOCK_BATCH_LEN: usize = 100; pub const MAX_BLOCK_BATCH_LEN: usize = 100;
/// The timeout that the block downloader will use for requests. /// The timeout that the block downloader will use for requests.
pub(crate) const BLOCK_DOWNLOADER_REQUEST_TIMEOUT: Duration = Duration::from_secs(30); pub(crate) const BLOCK_DOWNLOADER_REQUEST_TIMEOUT: Duration = Duration::from_secs(30);
@ -61,13 +61,13 @@ pub(crate) const BLOCK_DOWNLOADER_REQUEST_TIMEOUT: Duration = Duration::from_sec
/// be less than. /// be less than.
/// ///
/// ref: <https://monero-book.cuprate.org/consensus_rules/transactions.html#transaction-size> /// ref: <https://monero-book.cuprate.org/consensus_rules/transactions.html#transaction-size>
pub(crate) const MAX_TRANSACTION_BLOB_SIZE: usize = 1_000_000; pub const MAX_TRANSACTION_BLOB_SIZE: usize = 1_000_000;
/// The maximum amount of block IDs allowed in a chain entry response. /// The maximum amount of block IDs allowed in a chain entry response.
/// ///
/// ref: <https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454/src/cryptonote_config.h#L97> /// ref: <https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454/src/cryptonote_config.h#L97>
// TODO: link to the protocol book when this section is added. // TODO: link to the protocol book when this section is added.
pub(crate) const MAX_BLOCKS_IDS_IN_CHAIN_ENTRY: usize = 25_000; pub const MAX_BLOCKS_IDS_IN_CHAIN_ENTRY: usize = 25_000;
/// The amount of failures downloading a specific batch before we stop attempting to download it. /// The amount of failures downloading a specific batch before we stop attempting to download it.
pub(crate) const MAX_DOWNLOAD_FAILURES: usize = 5; pub(crate) const MAX_DOWNLOAD_FAILURES: usize = 5;

9
p2p/p2p/src/inbound_server.rs
View file

@ -6,7 +6,7 @@ use std::{pin::pin, sync::Arc};
use futures::{SinkExt, StreamExt}; use futures::{SinkExt, StreamExt};
use tokio::{ use tokio::{
sync::Semaphore, sync::{mpsc, Semaphore},
task::JoinSet, task::JoinSet,
time::{sleep, timeout}, time::{sleep, timeout},
}; };
@ -24,7 +24,6 @@ use cuprate_wire::{
}; };
use crate::{ use crate::{
client_pool::ClientPool,
constants::{ constants::{
HANDSHAKE_TIMEOUT, INBOUND_CONNECTION_COOL_DOWN, PING_REQUEST_CONCURRENCY, HANDSHAKE_TIMEOUT, INBOUND_CONNECTION_COOL_DOWN, PING_REQUEST_CONCURRENCY,
PING_REQUEST_TIMEOUT, PING_REQUEST_TIMEOUT,
@ -36,7 +35,7 @@ use crate::{
/// and initiate handshake if needed, after verifying the address isn't banned. /// and initiate handshake if needed, after verifying the address isn't banned.
#[instrument(level = "warn", skip_all)] #[instrument(level = "warn", skip_all)]
pub async fn inbound_server<N, HS, A>( pub async fn inbound_server<N, HS, A>(
client_pool: Arc<ClientPool<N>>, new_connection_tx: mpsc::Sender<Client<N>>,
mut handshaker: HS, mut handshaker: HS,
mut address_book: A, mut address_book: A,
config: P2PConfig<N>, config: P2PConfig<N>,
@ -111,13 +110,13 @@ where
permit: Some(permit), permit: Some(permit),
}); });
let cloned_pool = Arc::clone(&client_pool); let new_connection_tx = new_connection_tx.clone();
tokio::spawn( tokio::spawn(
async move { async move {
let client = timeout(HANDSHAKE_TIMEOUT, fut).await; let client = timeout(HANDSHAKE_TIMEOUT, fut).await;
if let Ok(Ok(peer)) = client { if let Ok(Ok(peer)) = client {
cloned_pool.add_new_client(peer); drop(new_connection_tx.send(peer).await);
} }
} }
.instrument(Span::current()), .instrument(Span::current()),

38
p2p/p2p/src/lib.rs
View file

@ -18,17 +18,18 @@ use cuprate_p2p_core::{
pub mod block_downloader; pub mod block_downloader;
mod broadcast; mod broadcast;
pub mod client_pool;
pub mod config; pub mod config;
pub mod connection_maintainer; pub mod connection_maintainer;
pub mod constants; pub mod constants;
mod inbound_server; mod inbound_server;
mod peer_set;
use block_downloader::{BlockBatch, BlockDownloaderConfig, ChainSvcRequest, ChainSvcResponse}; use block_downloader::{BlockBatch, BlockDownloaderConfig, ChainSvcRequest, ChainSvcResponse};
pub use broadcast::{BroadcastRequest, BroadcastSvc}; pub use broadcast::{BroadcastRequest, BroadcastSvc};
pub use client_pool::{ClientPool, ClientPoolDropGuard};
pub use config::{AddressBookConfig, P2PConfig}; pub use config::{AddressBookConfig, P2PConfig};
use connection_maintainer::MakeConnectionRequest; use connection_maintainer::MakeConnectionRequest;
use peer_set::PeerSet;
pub use peer_set::{ClientDropGuard, PeerSetRequest, PeerSetResponse};
/// Initializes the P2P [`NetworkInterface`] for a specific [`NetworkZone`]. /// Initializes the P2P [`NetworkInterface`] for a specific [`NetworkZone`].
/// ///
@ -54,7 +55,10 @@ where
cuprate_address_book::init_address_book(config.address_book_config.clone()).await?; cuprate_address_book::init_address_book(config.address_book_config.clone()).await?;
let address_book = Buffer::new( let address_book = Buffer::new(
address_book, address_book,
config.max_inbound_connections + config.outbound_connections, config
.max_inbound_connections
.checked_add(config.outbound_connections)
.unwrap(),
); );
// Use the default config. Changing the defaults affects tx fluff times, which could affect D++ so for now don't allow changing // Use the default config. Changing the defaults affects tx fluff times, which could affect D++ so for now don't allow changing
@ -83,19 +87,25 @@ where
let outbound_handshaker = outbound_handshaker_builder.build(); let outbound_handshaker = outbound_handshaker_builder.build();
let client_pool = ClientPool::new(); let (new_connection_tx, new_connection_rx) = mpsc::channel(
config
.outbound_connections
.checked_add(config.max_inbound_connections)
.unwrap(),
);
let (make_connection_tx, make_connection_rx) = mpsc::channel(3); let (make_connection_tx, make_connection_rx) = mpsc::channel(3);
let outbound_connector = Connector::new(outbound_handshaker); let outbound_connector = Connector::new(outbound_handshaker);
let outbound_connection_maintainer = connection_maintainer::OutboundConnectionKeeper::new( let outbound_connection_maintainer = connection_maintainer::OutboundConnectionKeeper::new(
config.clone(), config.clone(),
Arc::clone(&client_pool), new_connection_tx.clone(),
make_connection_rx, make_connection_rx,
address_book.clone(), address_book.clone(),
outbound_connector, outbound_connector,
); );
let peer_set = PeerSet::new(new_connection_rx);
let mut background_tasks = JoinSet::new(); let mut background_tasks = JoinSet::new();
background_tasks.spawn( background_tasks.spawn(
@ -105,7 +115,7 @@ where
); );
background_tasks.spawn( background_tasks.spawn(
inbound_server::inbound_server( inbound_server::inbound_server(
Arc::clone(&client_pool), new_connection_tx,
inbound_handshaker, inbound_handshaker,
address_book.clone(), address_book.clone(),
config, config,
@ -121,7 +131,7 @@ where
); );
Ok(NetworkInterface { Ok(NetworkInterface {
pool: client_pool, peer_set: Buffer::new(peer_set, 10).boxed_clone(),
broadcast_svc, broadcast_svc,
make_connection_tx, make_connection_tx,
address_book: address_book.boxed_clone(), address_book: address_book.boxed_clone(),
@ -133,7 +143,7 @@ where
#[derive(Clone)] #[derive(Clone)]
pub struct NetworkInterface<N: NetworkZone> { pub struct NetworkInterface<N: NetworkZone> {
/// A pool of free connected peers. /// A pool of free connected peers.
pool: Arc<ClientPool<N>>, peer_set: BoxCloneService<PeerSetRequest, PeerSetResponse<N>, tower::BoxError>,
/// A [`Service`] that allows broadcasting to all connected peers. /// A [`Service`] that allows broadcasting to all connected peers.
broadcast_svc: BroadcastSvc<N>, broadcast_svc: BroadcastSvc<N>,
/// A channel to request extra connections. /// A channel to request extra connections.
@ -163,7 +173,7 @@ impl<N: NetworkZone> NetworkInterface<N> {
+ 'static, + 'static,
C::Future: Send + 'static, C::Future: Send + 'static,
{ {
block_downloader::download_blocks(Arc::clone(&self.pool), our_chain_service, config) block_downloader::download_blocks(self.peer_set.clone(), our_chain_service, config)
} }
/// Returns the address book service. /// Returns the address book service.
@ -173,8 +183,10 @@ impl<N: NetworkZone> NetworkInterface<N> {
self.address_book.clone() self.address_book.clone()
} }
/// Borrows the `ClientPool`, for access to connected peers. /// Borrows the `PeerSet`, for access to connected peers.
pub const fn client_pool(&self) -> &Arc<ClientPool<N>> { pub fn peer_set(
&self.pool &mut self,
) -> &mut BoxCloneService<PeerSetRequest, PeerSetResponse<N>, tower::BoxError> {
&mut self.peer_set
} }
} }

217
p2p/p2p/src/peer_set.rs Normal file
View file

@ -0,0 +1,217 @@
use std::{
future::{ready, Future, Ready},
pin::{pin, Pin},
task::{Context, Poll},
};
use futures::{stream::FuturesUnordered, StreamExt};
use indexmap::{IndexMap, IndexSet};
use rand::{seq::index::sample, thread_rng};
use tokio::sync::mpsc::Receiver;
use tokio_util::sync::WaitForCancellationFutureOwned;
use tower::Service;
use cuprate_helper::cast::u64_to_usize;
use cuprate_p2p_core::{
client::{Client, InternalPeerID},
ConnectionDirection, NetworkZone,
};
mod client_wrappers;
pub use client_wrappers::ClientDropGuard;
use client_wrappers::StoredClient;
/// A request to the peer-set.
pub enum PeerSetRequest {
/// The most claimed proof-of-work from a peer in the peer-set.
MostPoWSeen,
/// Peers with more cumulative difficulty than the given cumulative difficulty.
///
/// Returned peers will be remembered and won't be returned from subsequent calls until the guard is dropped.
PeersWithMorePoW(u128),
/// A random outbound peer.
///
/// The returned peer will be remembered and won't be returned from subsequent calls until the guard is dropped.
StemPeer,
}
/// A response from the peer-set.
pub enum PeerSetResponse<N: NetworkZone> {
/// [`PeerSetRequest::MostPoWSeen`]
MostPoWSeen {
/// The cumulative difficulty claimed.
cumulative_difficulty: u128,
/// The height claimed.
height: usize,
/// The claimed hash of the top block.
top_hash: [u8; 32],
},
/// [`PeerSetRequest::PeersWithMorePoW`]
///
/// Returned peers will be remembered and won't be returned from subsequent calls until the guard is dropped.
PeersWithMorePoW(Vec<ClientDropGuard<N>>),
/// [`PeerSetRequest::StemPeer`]
///
/// The returned peer will be remembered and won't be returned from subsequent calls until the guard is dropped.
StemPeer(Option<ClientDropGuard<N>>),
}
/// A [`Future`] that completes when a peer disconnects.
#[pin_project::pin_project]
struct ClosedConnectionFuture<N: NetworkZone> {
#[pin]
fut: WaitForCancellationFutureOwned,
id: Option<InternalPeerID<N::Addr>>,
}
impl<N: NetworkZone> Future for ClosedConnectionFuture<N> {
type Output = InternalPeerID<N::Addr>;
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
let this = self.project();
this.fut.poll(cx).map(|()| this.id.take().unwrap())
}
}
/// A collection of all connected peers on a [`NetworkZone`].
pub(crate) struct PeerSet<N: NetworkZone> {
/// The connected peers.
peers: IndexMap<InternalPeerID<N::Addr>, StoredClient<N>>,
/// A [`FuturesUnordered`] that resolves when a peer disconnects.
closed_connections: FuturesUnordered<ClosedConnectionFuture<N>>,
/// The [`InternalPeerID`]s of all outbound peers.
outbound_peers: IndexSet<InternalPeerID<N::Addr>>,
/// A channel of new peers from the inbound server or outbound connector.
new_peers: Receiver<Client<N>>,
}
impl<N: NetworkZone> PeerSet<N> {
pub(crate) fn new(new_peers: Receiver<Client<N>>) -> Self {
Self {
peers: IndexMap::new(),
closed_connections: FuturesUnordered::new(),
outbound_peers: IndexSet::new(),
new_peers,
}
}
/// Polls the new peers channel for newly connected peers.
fn poll_new_peers(&mut self, cx: &mut Context<'_>) {
while let Poll::Ready(Some(new_peer)) = self.new_peers.poll_recv(cx) {
if new_peer.info.direction == ConnectionDirection::Outbound {
self.outbound_peers.insert(new_peer.info.id);
}
self.closed_connections.push(ClosedConnectionFuture {
fut: new_peer.info.handle.closed(),
id: Some(new_peer.info.id),
});
self.peers
.insert(new_peer.info.id, StoredClient::new(new_peer));
}
}
/// Remove disconnected peers from the peer set.
fn remove_dead_peers(&mut self, cx: &mut Context<'_>) {
while let Poll::Ready(Some(dead_peer)) = self.closed_connections.poll_next_unpin(cx) {
let Some(peer) = self.peers.swap_remove(&dead_peer) else {
continue;
};
if peer.client.info.direction == ConnectionDirection::Outbound {
self.outbound_peers.swap_remove(&peer.client.info.id);
}
self.peers.swap_remove(&dead_peer);
}
}
/// [`PeerSetRequest::MostPoWSeen`]
fn most_pow_seen(&self) -> PeerSetResponse<N> {
let most_pow_chain = self
.peers
.values()
.map(|peer| {
let core_sync_data = peer.client.info.core_sync_data.lock().unwrap();
(
core_sync_data.cumulative_difficulty(),
u64_to_usize(core_sync_data.current_height),
core_sync_data.top_id,
)
})
.max_by_key(|(cumulative_difficulty, ..)| *cumulative_difficulty)
.unwrap_or_default();
PeerSetResponse::MostPoWSeen {
cumulative_difficulty: most_pow_chain.0,
height: most_pow_chain.1,
top_hash: most_pow_chain.2,
}
}
/// [`PeerSetRequest::PeersWithMorePoW`]
fn peers_with_more_pow(&self, cumulative_difficulty: u128) -> PeerSetResponse<N> {
PeerSetResponse::PeersWithMorePoW(
self.peers
.values()
.filter(|&client| {
!client.is_downloading_blocks()
&& client
.client
.info
.core_sync_data
.lock()
.unwrap()
.cumulative_difficulty()
> cumulative_difficulty
})
.map(StoredClient::downloading_blocks_guard)
.collect(),
)
}
/// [`PeerSetRequest::StemPeer`]
fn random_peer_for_stem(&self) -> PeerSetResponse<N> {
PeerSetResponse::StemPeer(
sample(
&mut thread_rng(),
self.outbound_peers.len(),
self.outbound_peers.len(),
)
.into_iter()
.find_map(|i| {
let peer = self.outbound_peers.get_index(i).unwrap();
let client = self.peers.get(peer).unwrap();
(!client.is_a_stem_peer()).then(|| client.stem_peer_guard())
}),
)
}
}
impl<N: NetworkZone> Service<PeerSetRequest> for PeerSet<N> {
type Response = PeerSetResponse<N>;
type Error = tower::BoxError;
type Future = Ready<Result<Self::Response, Self::Error>>;
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
self.poll_new_peers(cx);
self.remove_dead_peers(cx);
// TODO: should we return `Pending` if we don't have any peers?
Poll::Ready(Ok(()))
}
fn call(&mut self, req: PeerSetRequest) -> Self::Future {
ready(match req {
PeerSetRequest::MostPoWSeen => Ok(self.most_pow_seen()),
PeerSetRequest::PeersWithMorePoW(cumulative_difficulty) => {
Ok(self.peers_with_more_pow(cumulative_difficulty))
}
PeerSetRequest::StemPeer => Ok(self.random_peer_for_stem()),
})
}
}

86
p2p/p2p/src/peer_set/client_wrappers.rs Normal file
View file

@ -0,0 +1,86 @@
use std::{
ops::{Deref, DerefMut},
sync::{
atomic::{AtomicBool, Ordering},
Arc,
},
};
use cuprate_p2p_core::{
client::{Client, WeakClient},
NetworkZone,
};
/// A client stored in the peer-set.
pub(super) struct StoredClient<N: NetworkZone> {
pub client: Client<N>,
/// An [`AtomicBool`] for if the peer is currently downloading blocks.
downloading_blocks: Arc<AtomicBool>,
/// An [`AtomicBool`] for if the peer is currently being used to stem txs.
stem_peer: Arc<AtomicBool>,
}
impl<N: NetworkZone> StoredClient<N> {
pub(super) fn new(client: Client<N>) -> Self {
Self {
client,
downloading_blocks: Arc::new(AtomicBool::new(false)),
stem_peer: Arc::new(AtomicBool::new(false)),
}
}
/// Returns [`true`] if the [`StoredClient`] is currently downloading blocks.
pub(super) fn is_downloading_blocks(&self) -> bool {
self.downloading_blocks.load(Ordering::Relaxed)
}
/// Returns [`true`] if the [`StoredClient`] is currently being used to stem txs.
pub(super) fn is_a_stem_peer(&self) -> bool {
self.stem_peer.load(Ordering::Relaxed)
}
/// Returns a [`ClientDropGuard`] that while it is alive keeps the [`StoredClient`] in the downloading blocks state.
pub(super) fn downloading_blocks_guard(&self) -> ClientDropGuard<N> {
self.downloading_blocks.store(true, Ordering::Relaxed);
ClientDropGuard {
client: self.client.downgrade(),
bool: Arc::clone(&self.downloading_blocks),
}
}
/// Returns a [`ClientDropGuard`] that while it is alive keeps the [`StoredClient`] in the stemming peers state.
pub(super) fn stem_peer_guard(&self) -> ClientDropGuard<N> {
self.stem_peer.store(true, Ordering::Relaxed);
ClientDropGuard {
client: self.client.downgrade(),
bool: Arc::clone(&self.stem_peer),
}
}
}
/// A [`Drop`] guard for a client returned from the peer-set.
pub struct ClientDropGuard<N: NetworkZone> {
client: WeakClient<N>,
bool: Arc<AtomicBool>,
}
impl<N: NetworkZone> Deref for ClientDropGuard<N> {
type Target = WeakClient<N>;
fn deref(&self) -> &Self::Target {
&self.client
}
}
impl<N: NetworkZone> DerefMut for ClientDropGuard<N> {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.client
}
}
impl<N: NetworkZone> Drop for ClientDropGuard<N> {
fn drop(&mut self) {
self.bool.store(false, Ordering::Relaxed);
}
}

2
pruning/src/lib.rs
View file

@ -327,7 +327,7 @@ impl DecompressedPruningSeed {
/// ///
/// This function will also error if `block_height` > `blockchain_height` /// This function will also error if `block_height` > `blockchain_height`
/// ///
pub fn get_next_unpruned_block( pub const fn get_next_unpruned_block(
&self, &self,
block_height: usize, block_height: usize,
blockchain_height: usize, blockchain_height: usize,

2
rpc/interface/src/route/bin.rs
View file

@ -68,7 +68,7 @@ macro_rules! generate_endpoints_with_no_input {
/// - [`generate_endpoints_with_input`] /// - [`generate_endpoints_with_input`]
/// - [`generate_endpoints_with_no_input`] /// - [`generate_endpoints_with_no_input`]
macro_rules! generate_endpoints_inner { macro_rules! generate_endpoints_inner {
($variant:ident, $handler:ident, $request:expr) => { ($variant:ident, $handler:ident, $request:expr_2021) => {
paste::paste! { paste::paste! {
{ {
// Check if restricted. // Check if restricted.

2
rpc/interface/src/route/other.rs
View file

@ -71,7 +71,7 @@ macro_rules! generate_endpoints_with_no_input {
/// - [`generate_endpoints_with_input`] /// - [`generate_endpoints_with_input`]
/// - [`generate_endpoints_with_no_input`] /// - [`generate_endpoints_with_no_input`]
macro_rules! generate_endpoints_inner { macro_rules! generate_endpoints_inner {
($variant:ident, $handler:ident, $request:expr) => { ($variant:ident, $handler:ident, $request:expr_2021) => {
paste::paste! { paste::paste! {
{ {
// Check if restricted. // Check if restricted.

292
rpc/types/src/bin.rs
View file

@ -9,26 +9,19 @@ use cuprate_fixed_bytes::ByteArrayVec;
use serde::{Deserialize, Serialize}; use serde::{Deserialize, Serialize};
#[cfg(feature = "epee")] #[cfg(feature = "epee")]
use cuprate_epee_encoding::{ use cuprate_epee_encoding::container_as_blob::ContainerAsBlob;
container_as_blob::ContainerAsBlob,
epee_object, error,
macros::bytes::{Buf, BufMut},
read_epee_value, write_field, EpeeObject, EpeeObjectBuilder,
};
use cuprate_types::BlockCompleteEntry; use cuprate_types::BlockCompleteEntry;
use crate::{ use crate::{
base::AccessResponseBase, base::AccessResponseBase,
macros::{define_request, define_request_and_response, define_request_and_response_doc}, macros::define_request_and_response,
misc::{BlockOutputIndices, GetOutputsOut, OutKeyBin, PoolTxInfo, Status}, misc::{BlockOutputIndices, GetOutputsOut, OutKeyBin, PoolInfo},
rpc_call::RpcCallValue, rpc_call::RpcCallValue,
}; };
#[cfg(any(feature = "epee", feature = "serde"))] #[cfg(any(feature = "epee", feature = "serde"))]
use crate::defaults::{default_false, default_zero}; use crate::defaults::{default_false, default_zero};
#[cfg(feature = "epee")]
use crate::misc::PoolInfoExtent;
//---------------------------------------------------------------------------------------------------- Definitions //---------------------------------------------------------------------------------------------------- Definitions
define_request_and_response! { define_request_and_response! {
@ -115,15 +108,14 @@ define_request_and_response! {
} }
} }
//---------------------------------------------------------------------------------------------------- GetBlocks define_request_and_response! {
define_request! { get_blocksbin,
#[doc = define_request_and_response_doc!( cc73fe71162d564ffda8e549b79a350bca53c454 =>
"response" => GetBlocksResponse, core_rpc_server_commands_defs.h => 162..=262,
get_blocksbin,
cc73fe71162d564ffda8e549b79a350bca53c454, GetBlocks,
core_rpc_server_commands_defs, h, 162, 262,
)] Request {
GetBlocksRequest {
requested_info: u8 = default_zero::<u8>(), "default_zero", requested_info: u8 = default_zero::<u8>(), "default_zero",
// FIXME: This is a `std::list` in `monerod` because...? // FIXME: This is a `std::list` in `monerod` because...?
block_ids: ByteArrayVec<32>, block_ids: ByteArrayVec<32>,
@ -131,259 +123,17 @@ define_request! {
prune: bool, prune: bool,
no_miner_tx: bool = default_false(), "default_false", no_miner_tx: bool = default_false(), "default_false",
pool_info_since: u64 = default_zero::<u64>(), "default_zero", pool_info_since: u64 = default_zero::<u64>(), "default_zero",
} },
}
#[doc = define_request_and_response_doc!( // TODO: add `top_block_hash` field
"request" => GetBlocksRequest, // <https://github.com/monero-project/monero/blame/893916ad091a92e765ce3241b94e706ad012b62a/src/rpc/core_rpc_server_commands_defs.h#L263>
get_blocksbin, AccessResponseBase {
cc73fe71162d564ffda8e549b79a350bca53c454, blocks: Vec<BlockCompleteEntry>,
core_rpc_server_commands_defs, h, 162, 262, start_height: u64,
)] current_height: u64,
/// output_indices: Vec<BlockOutputIndices>,
/// This response's variant depends upon [`PoolInfoExtent`]. daemon_time: u64,
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))] pool_info: PoolInfo,
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub enum GetBlocksResponse {
/// Will always serialize a [`PoolInfoExtent::None`] field.
PoolInfoNone(GetBlocksResponsePoolInfoNone),
/// Will always serialize a [`PoolInfoExtent::Incremental`] field.
PoolInfoIncremental(GetBlocksResponsePoolInfoIncremental),
/// Will always serialize a [`PoolInfoExtent::Full`] field.
PoolInfoFull(GetBlocksResponsePoolInfoFull),
}
impl Default for GetBlocksResponse {
fn default() -> Self {
Self::PoolInfoNone(GetBlocksResponsePoolInfoNone::default())
}
}
/// Data within [`GetBlocksResponse::PoolInfoNone`].
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
#[derive(Clone, Default, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct GetBlocksResponsePoolInfoNone {
pub status: Status,
pub untrusted: bool,
pub blocks: Vec<BlockCompleteEntry>,
pub start_height: u64,
pub current_height: u64,
pub output_indices: Vec<BlockOutputIndices>,
pub daemon_time: u64,
}
#[cfg(feature = "epee")]
epee_object! {
GetBlocksResponsePoolInfoNone,
status: Status,
untrusted: bool,
blocks: Vec<BlockCompleteEntry>,
start_height: u64,
current_height: u64,
output_indices: Vec<BlockOutputIndices>,
daemon_time: u64,
}
/// Data within [`GetBlocksResponse::PoolInfoIncremental`].
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
#[derive(Clone, Default, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct GetBlocksResponsePoolInfoIncremental {
pub status: Status,
pub untrusted: bool,
pub blocks: Vec<BlockCompleteEntry>,
pub start_height: u64,
pub current_height: u64,
pub output_indices: Vec<BlockOutputIndices>,
pub daemon_time: u64,
pub added_pool_txs: Vec<PoolTxInfo>,
pub remaining_added_pool_txids: ByteArrayVec<32>,
pub removed_pool_txids: ByteArrayVec<32>,
}
#[cfg(feature = "epee")]
epee_object! {
GetBlocksResponsePoolInfoIncremental,
status: Status,
untrusted: bool,
blocks: Vec<BlockCompleteEntry>,
start_height: u64,
current_height: u64,
output_indices: Vec<BlockOutputIndices>,
daemon_time: u64,
added_pool_txs: Vec<PoolTxInfo>,
remaining_added_pool_txids: ByteArrayVec<32>,
removed_pool_txids: ByteArrayVec<32>,
}
/// Data within [`GetBlocksResponse::PoolInfoFull`].
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
#[derive(Clone, Default, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct GetBlocksResponsePoolInfoFull {
pub status: Status,
pub untrusted: bool,
pub blocks: Vec<BlockCompleteEntry>,
pub start_height: u64,
pub current_height: u64,
pub output_indices: Vec<BlockOutputIndices>,
pub daemon_time: u64,
pub added_pool_txs: Vec<PoolTxInfo>,
pub remaining_added_pool_txids: ByteArrayVec<32>,
}
#[cfg(feature = "epee")]
epee_object! {
GetBlocksResponsePoolInfoFull,
status: Status,
untrusted: bool,
blocks: Vec<BlockCompleteEntry>,
start_height: u64,
current_height: u64,
output_indices: Vec<BlockOutputIndices>,
daemon_time: u64,
added_pool_txs: Vec<PoolTxInfo>,
remaining_added_pool_txids: ByteArrayVec<32>,
}
#[cfg(feature = "epee")]
/// [`EpeeObjectBuilder`] for [`GetBlocksResponse`].
///
/// Not for public usage.
#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct __GetBlocksResponseEpeeBuilder {
pub status: Option<Status>,
pub untrusted: Option<bool>,
pub blocks: Option<Vec<BlockCompleteEntry>>,
pub start_height: Option<u64>,
pub current_height: Option<u64>,
pub output_indices: Option<Vec<BlockOutputIndices>>,
pub daemon_time: Option<u64>,
pub pool_info_extent: Option<PoolInfoExtent>,
pub added_pool_txs: Option<Vec<PoolTxInfo>>,
pub remaining_added_pool_txids: Option<ByteArrayVec<32>>,
pub removed_pool_txids: Option<ByteArrayVec<32>>,
}
#[cfg(feature = "epee")]
impl EpeeObjectBuilder<GetBlocksResponse> for __GetBlocksResponseEpeeBuilder {
fn add_field<B: Buf>(&mut self, name: &str, r: &mut B) -> error::Result<bool> {
macro_rules! read_epee_field {
($($field:ident),*) => {
match name {
$(
stringify!($field) => { self.$field = Some(read_epee_value(r)?); },
)*
_ => return Ok(false),
}
};
}
read_epee_field! {
status,
untrusted,
blocks,
start_height,
current_height,
output_indices,
daemon_time,
pool_info_extent,
added_pool_txs,
remaining_added_pool_txids,
removed_pool_txids
}
Ok(true)
}
fn finish(self) -> error::Result<GetBlocksResponse> {
const ELSE: error::Error = error::Error::Format("Required field was not found!");
let status = self.status.ok_or(ELSE)?;
let untrusted = self.untrusted.ok_or(ELSE)?;
let blocks = self.blocks.ok_or(ELSE)?;
let start_height = self.start_height.ok_or(ELSE)?;
let current_height = self.current_height.ok_or(ELSE)?;
let output_indices = self.output_indices.ok_or(ELSE)?;
let daemon_time = self.daemon_time.ok_or(ELSE)?;
let pool_info_extent = self.pool_info_extent.ok_or(ELSE)?;
let this = match pool_info_extent {
PoolInfoExtent::None => {
GetBlocksResponse::PoolInfoNone(GetBlocksResponsePoolInfoNone {
status,
untrusted,
blocks,
start_height,
current_height,
output_indices,
daemon_time,
})
}
PoolInfoExtent::Incremental => {
GetBlocksResponse::PoolInfoIncremental(GetBlocksResponsePoolInfoIncremental {
status,
untrusted,
blocks,
start_height,
current_height,
output_indices,
daemon_time,
added_pool_txs: self.added_pool_txs.ok_or(ELSE)?,
remaining_added_pool_txids: self.remaining_added_pool_txids.ok_or(ELSE)?,
removed_pool_txids: self.removed_pool_txids.ok_or(ELSE)?,
})
}
PoolInfoExtent::Full => {
GetBlocksResponse::PoolInfoFull(GetBlocksResponsePoolInfoFull {
status,
untrusted,
blocks,
start_height,
current_height,
output_indices,
daemon_time,
added_pool_txs: self.added_pool_txs.ok_or(ELSE)?,
remaining_added_pool_txids: self.remaining_added_pool_txids.ok_or(ELSE)?,
})
}
};
Ok(this)
}
}
#[cfg(feature = "epee")]
impl EpeeObject for GetBlocksResponse {
type Builder = __GetBlocksResponseEpeeBuilder;
fn number_of_fields(&self) -> u64 {
// [`PoolInfoExtent`] + inner struct fields.
let inner_fields = match self {
Self::PoolInfoNone(s) => s.number_of_fields(),
Self::PoolInfoIncremental(s) => s.number_of_fields(),
Self::PoolInfoFull(s) => s.number_of_fields(),
};
1 + inner_fields
}
fn write_fields<B: BufMut>(self, w: &mut B) -> error::Result<()> {
match self {
Self::PoolInfoNone(s) => {
s.write_fields(w)?;
write_field(PoolInfoExtent::None.to_u8(), "pool_info_extent", w)?;
}
Self::PoolInfoIncremental(s) => {
s.write_fields(w)?;
write_field(PoolInfoExtent::Incremental.to_u8(), "pool_info_extent", w)?;
}
Self::PoolInfoFull(s) => {
s.write_fields(w)?;
write_field(PoolInfoExtent::Full.to_u8(), "pool_info_extent", w)?;
}
}
Ok(())
} }
} }

2
rpc/types/src/json.rs
View file

@ -37,7 +37,7 @@ macro_rules! serde_doc_test {
( (
// `const` string from `cuprate_test_utils::rpc::data` // `const` string from `cuprate_test_utils::rpc::data`
// v // v
$cuprate_test_utils_rpc_const:ident => $expected:expr $cuprate_test_utils_rpc_const:ident => $expected:expr_2021
// ^ // ^
// Expected value as an expression // Expected value as an expression
) => { ) => {

10
rpc/types/src/macros.rs
View file

@ -77,7 +77,7 @@ macro_rules! define_request_and_response {
$( #[$request_field_attr:meta] )* // Field attribute. $( #[$request_field_attr:meta] )* // Field attribute.
$request_field:ident: $request_field_type:ty // field_name: field type $request_field:ident: $request_field_type:ty // field_name: field type
$(as $request_field_type_as:ty)? // (optional) alternative type (de)serialization $(as $request_field_type_as:ty)? // (optional) alternative type (de)serialization
$(= $request_field_type_default:expr, $request_field_type_default_string:literal)?, // (optional) default value $(= $request_field_type_default:expr_2021, $request_field_type_default_string:literal)?, // (optional) default value
)* )*
}, },
@ -89,7 +89,7 @@ macro_rules! define_request_and_response {
$( #[$response_field_attr:meta] )* $( #[$response_field_attr:meta] )*
$response_field:ident: $response_field_type:ty $response_field:ident: $response_field_type:ty
$(as $response_field_type_as:ty)? $(as $response_field_type_as:ty)?
$(= $response_field_type_default:expr, $response_field_type_default_string:literal)?, $(= $response_field_type_default:expr_2021, $response_field_type_default_string:literal)?,
)* )*
} }
) => { paste::paste! { ) => { paste::paste! {
@ -229,7 +229,7 @@ macro_rules! define_request {
// field_name: FieldType // field_name: FieldType
$field:ident: $field_type:ty $field:ident: $field_type:ty
$(as $field_as:ty)? $(as $field_as:ty)?
$(= $field_default:expr, $field_default_string:literal)?, $(= $field_default:expr_2021, $field_default_string:literal)?,
// The $field_default is an optional extra token that represents // The $field_default is an optional extra token that represents
// a default value to pass to [`cuprate_epee_encoding::epee_object`], // a default value to pass to [`cuprate_epee_encoding::epee_object`],
// see it for usage. // see it for usage.
@ -286,7 +286,7 @@ macro_rules! define_response {
$( #[$field_attr:meta] )* $( #[$field_attr:meta] )*
$field:ident: $field_type:ty $field:ident: $field_type:ty
$(as $field_as:ty)? $(as $field_as:ty)?
$(= $field_default:expr, $field_default_string:literal)?, $(= $field_default:expr_2021, $field_default_string:literal)?,
)* )*
} }
) => { ) => {
@ -323,7 +323,7 @@ macro_rules! define_response {
$( #[$field_attr:meta] )* $( #[$field_attr:meta] )*
$field:ident: $field_type:ty $field:ident: $field_type:ty
$(as $field_as:ty)? $(as $field_as:ty)?
$(= $field_default:expr, $field_default_string:literal)?, $(= $field_default:expr_2021, $field_default_string:literal)?,
)* )*
} }
) => { ) => {

6
rpc/types/src/misc/misc.rs
View file

@ -11,11 +11,11 @@ use serde::{Deserialize, Serialize};
#[cfg(feature = "epee")] #[cfg(feature = "epee")]
use cuprate_epee_encoding::epee_object; use cuprate_epee_encoding::epee_object;
use crate::macros::monero_definition_link;
#[cfg(any(feature = "epee", feature = "serde"))] #[cfg(any(feature = "epee", feature = "serde"))]
use crate::defaults::default_zero; use crate::defaults::default_zero;
use crate::macros::monero_definition_link;
//---------------------------------------------------------------------------------------------------- Macros //---------------------------------------------------------------------------------------------------- Macros
/// This macro (local to this file) defines all the misc types. /// This macro (local to this file) defines all the misc types.
/// ///
@ -37,7 +37,7 @@ macro_rules! define_struct_and_impl_epee {
$( $(
$( #[$field_attr:meta] )* // Field attributes $( #[$field_attr:meta] )* // Field attributes
// Field name => the type => optional `epee_object` default value. // Field name => the type => optional `epee_object` default value.
$field_name:ident: $field_type:ty $(= $field_default:expr)?, $field_name:ident: $field_type:ty $(= $field_default:expr_2021)?,
)* )*
} }
) => { ) => {

2
rpc/types/src/misc/mod.rs
View file

@ -17,6 +17,7 @@ mod distribution;
mod key_image_spent_status; mod key_image_spent_status;
#[expect(clippy::module_inception)] #[expect(clippy::module_inception)]
mod misc; mod misc;
mod pool_info;
mod pool_info_extent; mod pool_info_extent;
mod status; mod status;
mod tx_entry; mod tx_entry;
@ -30,6 +31,7 @@ pub use misc::{
OutputDistributionData, Peer, PoolTxInfo, PublicNode, SetBan, Span, SpentKeyImageInfo, OutputDistributionData, Peer, PoolTxInfo, PublicNode, SetBan, Span, SpentKeyImageInfo,
SyncInfoPeer, TxBacklogEntry, TxInfo, TxOutputIndices, TxpoolHisto, TxpoolStats, SyncInfoPeer, TxBacklogEntry, TxInfo, TxOutputIndices, TxpoolHisto, TxpoolStats,
}; };
pub use pool_info::PoolInfo;
pub use pool_info_extent::PoolInfoExtent; pub use pool_info_extent::PoolInfoExtent;
pub use status::Status; pub use status::Status;
pub use tx_entry::TxEntry; pub use tx_entry::TxEntry;

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