lighthouse/beacon_node/eth2-libp2p/tests/rpc_tests.rs
2020-04-16 17:24:12 +10:00

577 lines
22 KiB
Rust

#![cfg(test)]
use eth2_libp2p::rpc::methods::*;
use eth2_libp2p::rpc::*;
use eth2_libp2p::{Libp2pEvent, RPCEvent};
use slog::{warn, Level};
use std::sync::atomic::{AtomicBool, Ordering::Relaxed};
use std::sync::{Arc, Mutex};
use std::time::Duration;
use tokio::prelude::*;
use types::{Epoch, Hash256, Slot};
mod common;
#[test]
// Tests the STATUS RPC message
fn test_status_rpc() {
// set up the logging. The level and enabled logging or not
let log_level = Level::Trace;
let enable_logging = false;
let log = common::build_log(log_level, enable_logging);
// get sender/receiver
let port = common::unused_port("tcp").unwrap();
let (mut sender, mut receiver) = common::build_node_pair(&log, port);
// Dummy STATUS RPC message
let rpc_request = RPCRequest::Status(StatusMessage {
fork_version: [0; 4],
finalized_root: Hash256::from_low_u64_be(0),
finalized_epoch: Epoch::new(1),
head_root: Hash256::from_low_u64_be(0),
head_slot: Slot::new(1),
});
// Dummy STATUS RPC message
let rpc_response = RPCResponse::Status(StatusMessage {
fork_version: [0; 4],
finalized_root: Hash256::from_low_u64_be(0),
finalized_epoch: Epoch::new(1),
head_root: Hash256::from_low_u64_be(0),
head_slot: Slot::new(1),
});
let sender_request = rpc_request.clone();
let sender_log = log.clone();
let sender_response = rpc_response.clone();
// build the sender future
let sender_future = future::poll_fn(move || -> Poll<bool, ()> {
loop {
match sender.poll().unwrap() {
Async::Ready(Some(Libp2pEvent::PeerDialed(peer_id))) => {
// Send a STATUS message
warn!(sender_log, "Sending RPC");
sender
.swarm
.send_rpc(peer_id, RPCEvent::Request(1, sender_request.clone()));
}
Async::Ready(Some(Libp2pEvent::RPC(_, event))) => match event {
// Should receive the RPC response
RPCEvent::Response(id, response @ RPCErrorResponse::Success(_)) => {
warn!(sender_log, "Sender Received");
assert_eq!(id, 1);
let response = {
match response {
RPCErrorResponse::Success(r) => r,
_ => unreachable!(),
}
};
assert_eq!(response, sender_response.clone());
warn!(sender_log, "Sender Completed");
return Ok(Async::Ready(true));
}
_ => panic!("Received invalid RPC message"),
},
Async::Ready(Some(_)) => (),
Async::Ready(None) | Async::NotReady => return Ok(Async::NotReady),
};
}
});
// build the receiver future
let receiver_future = future::poll_fn(move || -> Poll<bool, ()> {
loop {
match receiver.poll().unwrap() {
Async::Ready(Some(Libp2pEvent::RPC(peer_id, event))) => match event {
// Should receive sent RPC request
RPCEvent::Request(id, request) => {
assert_eq!(id, 1);
assert_eq!(rpc_request.clone(), request);
// send the response
warn!(log, "Receiver Received");
receiver.swarm.send_rpc(
peer_id,
RPCEvent::Response(id, RPCErrorResponse::Success(rpc_response.clone())),
);
}
_ => panic!("Received invalid RPC message"),
},
Async::Ready(Some(_)) => (),
Async::Ready(None) | Async::NotReady => return Ok(Async::NotReady),
}
}
});
// execute the futures and check the result
let test_result = Arc::new(AtomicBool::new(false));
let error_result = test_result.clone();
let thread_result = test_result.clone();
tokio::run(
sender_future
.select(receiver_future)
.timeout(Duration::from_millis(1000))
.map_err(move |_| error_result.store(false, Relaxed))
.map(move |result| {
thread_result.store(result.0, Relaxed);
}),
);
assert!(test_result.load(Relaxed));
}
#[test]
// Tests a streamed BlocksByRange RPC Message
fn test_blocks_by_range_chunked_rpc() {
// set up the logging. The level and enabled logging or not
let log_level = Level::Trace;
let enable_logging = false;
let messages_to_send = 10;
let log = common::build_log(log_level, enable_logging);
// get sender/receiver
let port = common::unused_port("tcp").unwrap();
let (mut sender, mut receiver) = common::build_node_pair(&log, port);
// BlocksByRange Request
let rpc_request = RPCRequest::BlocksByRange(BlocksByRangeRequest {
head_block_root: Hash256::from_low_u64_be(0),
start_slot: 0,
count: messages_to_send,
step: 0,
});
// BlocksByRange Response
let rpc_response = RPCResponse::BlocksByRange(vec![13, 13, 13]);
let sender_request = rpc_request.clone();
let sender_log = log.clone();
let sender_response = rpc_response.clone();
// keep count of the number of messages received
let messages_received = Arc::new(Mutex::new(0));
// build the sender future
let sender_future = future::poll_fn(move || -> Poll<bool, ()> {
loop {
match sender.poll().unwrap() {
Async::Ready(Some(Libp2pEvent::PeerDialed(peer_id))) => {
// Send a BlocksByRange request
warn!(sender_log, "Sender sending RPC request");
sender
.swarm
.send_rpc(peer_id, RPCEvent::Request(1, sender_request.clone()));
}
Async::Ready(Some(Libp2pEvent::RPC(_, event))) => match event {
// Should receive the RPC response
RPCEvent::Response(id, response) => {
warn!(sender_log, "Sender received a response");
assert_eq!(id, 1);
match response {
RPCErrorResponse::Success(res) => {
assert_eq!(res, sender_response.clone());
*messages_received.lock().unwrap() += 1;
warn!(sender_log, "Chunk received");
}
RPCErrorResponse::StreamTermination(
ResponseTermination::BlocksByRange,
) => {
// should be exactly 10 messages before terminating
assert_eq!(*messages_received.lock().unwrap(), messages_to_send);
// end the test
return Ok(Async::Ready(true));
}
_ => panic!("Invalid RPC received"),
}
}
_ => panic!("Received invalid RPC message"),
},
Async::Ready(Some(_)) => {}
Async::Ready(None) | Async::NotReady => return Ok(Async::NotReady),
};
}
});
// build the receiver future
let receiver_future = future::poll_fn(move || -> Poll<bool, ()> {
loop {
match receiver.poll().unwrap() {
Async::Ready(Some(Libp2pEvent::RPC(peer_id, event))) => match event {
// Should receive the sent RPC request
RPCEvent::Request(id, request) => {
assert_eq!(id, 1);
assert_eq!(rpc_request.clone(), request);
// send the response
warn!(log, "Receiver got request");
for _ in 1..=messages_to_send {
receiver.swarm.send_rpc(
peer_id.clone(),
RPCEvent::Response(
id,
RPCErrorResponse::Success(rpc_response.clone()),
),
);
}
// send the stream termination
receiver.swarm.send_rpc(
peer_id,
RPCEvent::Response(
id,
RPCErrorResponse::StreamTermination(
ResponseTermination::BlocksByRange,
),
),
);
}
_ => panic!("Received invalid RPC message"),
},
Async::Ready(Some(_)) => (),
Async::Ready(None) | Async::NotReady => return Ok(Async::NotReady),
}
}
});
// execute the futures and check the result
let test_result = Arc::new(AtomicBool::new(false));
let error_result = test_result.clone();
let thread_result = test_result.clone();
tokio::run(
sender_future
.select(receiver_future)
.timeout(Duration::from_millis(1000))
.map_err(move |_| error_result.store(false, Relaxed))
.map(move |result| {
thread_result.store(result.0, Relaxed);
}),
);
assert!(test_result.load(Relaxed));
}
#[test]
// Tests an empty response to a BlocksByRange RPC Message
fn test_blocks_by_range_single_empty_rpc() {
// set up the logging. The level and enabled logging or not
let log_level = Level::Trace;
let enable_logging = false;
let log = common::build_log(log_level, enable_logging);
// get sender/receiver
let port = common::unused_port("tcp").unwrap();
let (mut sender, mut receiver) = common::build_node_pair(&log, port);
// BlocksByRange Request
let rpc_request = RPCRequest::BlocksByRange(BlocksByRangeRequest {
head_block_root: Hash256::from_low_u64_be(0),
start_slot: 0,
count: 10,
step: 0,
});
// BlocksByRange Response
let rpc_response = RPCResponse::BlocksByRange(vec![]);
let sender_request = rpc_request.clone();
let sender_log = log.clone();
let sender_response = rpc_response.clone();
// keep count of the number of messages received
let messages_received = Arc::new(Mutex::new(0));
// build the sender future
let sender_future = future::poll_fn(move || -> Poll<bool, ()> {
loop {
match sender.poll().unwrap() {
Async::Ready(Some(Libp2pEvent::PeerDialed(peer_id))) => {
// Send a BlocksByRange request
warn!(sender_log, "Sender sending RPC request");
sender
.swarm
.send_rpc(peer_id, RPCEvent::Request(1, sender_request.clone()));
}
Async::Ready(Some(Libp2pEvent::RPC(_, event))) => match event {
// Should receive the RPC response
RPCEvent::Response(id, response) => {
warn!(sender_log, "Sender received a response");
assert_eq!(id, 1);
match response {
RPCErrorResponse::Success(res) => {
assert_eq!(res, sender_response.clone());
*messages_received.lock().unwrap() += 1;
warn!(sender_log, "Chunk received");
}
RPCErrorResponse::StreamTermination(
ResponseTermination::BlocksByRange,
) => {
// should be exactly 1 messages before terminating
assert_eq!(*messages_received.lock().unwrap(), 1);
// end the test
return Ok(Async::Ready(true));
}
_ => panic!("Invalid RPC received"),
}
}
m => panic!("Received invalid RPC message: {}", m),
},
Async::Ready(Some(_)) => {}
Async::Ready(None) | Async::NotReady => return Ok(Async::NotReady),
};
}
});
// build the receiver future
let receiver_future = future::poll_fn(move || -> Poll<bool, ()> {
loop {
match receiver.poll().unwrap() {
Async::Ready(Some(Libp2pEvent::RPC(peer_id, event))) => match event {
// Should receive the sent RPC request
RPCEvent::Request(id, request) => {
assert_eq!(id, 1);
assert_eq!(rpc_request.clone(), request);
// send the response
warn!(log, "Receiver got request");
receiver.swarm.send_rpc(
peer_id.clone(),
RPCEvent::Response(id, RPCErrorResponse::Success(rpc_response.clone())),
);
// send the stream termination
receiver.swarm.send_rpc(
peer_id,
RPCEvent::Response(
id,
RPCErrorResponse::StreamTermination(
ResponseTermination::BlocksByRange,
),
),
);
}
_ => panic!("Received invalid RPC message"),
},
Async::Ready(Some(_)) => (),
Async::Ready(None) | Async::NotReady => return Ok(Async::NotReady),
}
}
});
// execute the futures and check the result
let test_result = Arc::new(AtomicBool::new(false));
let error_result = test_result.clone();
let thread_result = test_result.clone();
tokio::run(
sender_future
.select(receiver_future)
.timeout(Duration::from_millis(1000))
.map_err(move |_| error_result.store(false, Relaxed))
.map(move |result| {
thread_result.store(result.0, Relaxed);
}),
);
assert!(test_result.load(Relaxed));
}
#[test]
// Tests a streamed, chunked BlocksByRoot RPC Message
fn test_blocks_by_root_chunked_rpc() {
// set up the logging. The level and enabled logging or not
let log_level = Level::Trace;
let enable_logging = false;
let messages_to_send = 3;
let log = common::build_log(log_level, enable_logging);
// get sender/receiver
let port = common::unused_port("tcp").unwrap();
let (mut sender, mut receiver) = common::build_node_pair(&log, port);
// BlocksByRoot Request
let rpc_request = RPCRequest::BlocksByRoot(BlocksByRootRequest {
block_roots: vec![Hash256::from_low_u64_be(0), Hash256::from_low_u64_be(0)],
});
// BlocksByRoot Response
let rpc_response = RPCResponse::BlocksByRoot(vec![13, 13, 13]);
let sender_request = rpc_request.clone();
let sender_log = log.clone();
let sender_response = rpc_response.clone();
// keep count of the number of messages received
let messages_received = Arc::new(Mutex::new(0));
// build the sender future
let sender_future = future::poll_fn(move || -> Poll<bool, ()> {
loop {
match sender.poll().unwrap() {
Async::Ready(Some(Libp2pEvent::PeerDialed(peer_id))) => {
// Send a BlocksByRoot request
warn!(sender_log, "Sender sending RPC request");
sender
.swarm
.send_rpc(peer_id, RPCEvent::Request(1, sender_request.clone()));
}
Async::Ready(Some(Libp2pEvent::RPC(_, event))) => match event {
// Should receive the RPC response
RPCEvent::Response(id, response) => {
warn!(sender_log, "Sender received a response");
assert_eq!(id, 1);
match response {
RPCErrorResponse::Success(res) => {
assert_eq!(res, sender_response.clone());
*messages_received.lock().unwrap() += 1;
warn!(sender_log, "Chunk received");
}
RPCErrorResponse::StreamTermination(
ResponseTermination::BlocksByRoot,
) => {
// should be exactly 10 messages before terminating
assert_eq!(*messages_received.lock().unwrap(), messages_to_send);
// end the test
return Ok(Async::Ready(true));
}
m => panic!("Invalid RPC received: {}", m),
}
}
m => panic!("Received invalid RPC message: {}", m),
},
Async::Ready(Some(_)) => {}
Async::Ready(None) | Async::NotReady => return Ok(Async::NotReady),
};
}
});
// build the receiver future
let receiver_future = future::poll_fn(move || -> Poll<bool, ()> {
loop {
match receiver.poll().unwrap() {
Async::Ready(Some(Libp2pEvent::RPC(peer_id, event))) => match event {
// Should receive the sent RPC request
RPCEvent::Request(id, request) => {
assert_eq!(id, 1);
assert_eq!(rpc_request.clone(), request);
// send the response
warn!(log, "Receiver got request");
for _ in 1..=messages_to_send {
receiver.swarm.send_rpc(
peer_id.clone(),
RPCEvent::Response(
id,
RPCErrorResponse::Success(rpc_response.clone()),
),
);
}
// send the stream termination
receiver.swarm.send_rpc(
peer_id,
RPCEvent::Response(
id,
RPCErrorResponse::StreamTermination(
ResponseTermination::BlocksByRoot,
),
),
);
}
_ => panic!("Received invalid RPC message"),
},
Async::Ready(Some(_)) => (),
Async::Ready(None) | Async::NotReady => return Ok(Async::NotReady),
}
}
});
// execute the futures and check the result
let test_result = Arc::new(AtomicBool::new(false));
let error_result = test_result.clone();
let thread_result = test_result.clone();
tokio::run(
sender_future
.select(receiver_future)
.timeout(Duration::from_millis(1000))
.map_err(move |_| error_result.store(false, Relaxed))
.map(move |result| {
thread_result.store(result.0, Relaxed);
}),
);
assert!(test_result.load(Relaxed));
}
#[test]
// Tests a Goodbye RPC message
fn test_goodbye_rpc() {
// set up the logging. The level and enabled logging or not
let log_level = Level::Trace;
let enable_logging = false;
let log = common::build_log(log_level, enable_logging);
// get sender/receiver
let port = common::unused_port("tcp").unwrap();
let (mut sender, mut receiver) = common::build_node_pair(&log, port);
// Goodbye Request
let rpc_request = RPCRequest::Goodbye(GoodbyeReason::ClientShutdown);
let sender_request = rpc_request.clone();
let sender_log = log.clone();
// build the sender future
let sender_future = future::poll_fn(move || -> Poll<bool, ()> {
loop {
match sender.poll().unwrap() {
Async::Ready(Some(Libp2pEvent::PeerDialed(peer_id))) => {
// Send a Goodbye request
warn!(sender_log, "Sender sending RPC request");
sender
.swarm
.send_rpc(peer_id, RPCEvent::Request(1, sender_request.clone()));
}
Async::Ready(Some(_)) => {}
Async::Ready(None) | Async::NotReady => return Ok(Async::NotReady),
};
}
});
// build the receiver future
let receiver_future = future::poll_fn(move || -> Poll<bool, ()> {
loop {
match receiver.poll().unwrap() {
Async::Ready(Some(Libp2pEvent::RPC(_, event))) => match event {
// Should receive the sent RPC request
RPCEvent::Request(id, request) => {
assert_eq!(id, 0);
assert_eq!(rpc_request.clone(), request);
// receives the goodbye. Nothing left to do
return Ok(Async::Ready(true));
}
_ => panic!("Received invalid RPC message"),
},
Async::Ready(Some(_)) => (),
Async::Ready(None) | Async::NotReady => return Ok(Async::NotReady),
}
}
});
// execute the futures and check the result
let test_result = Arc::new(AtomicBool::new(false));
let error_result = test_result.clone();
let thread_result = test_result.clone();
tokio::run(
sender_future
.select(receiver_future)
.timeout(Duration::from_millis(1000))
.map_err(move |_| error_result.store(false, Relaxed))
.map(move |result| {
thread_result.store(result.0, Relaxed);
}),
);
assert!(test_result.load(Relaxed));
}