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https://github.com/mimblewimble/grin.git
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101 lines
3 KiB
Rust
101 lines
3 KiB
Rust
// Copyright 2021 The Grin Developers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use grin_core as core;
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use grin_p2p as p2p;
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use grin_util as util;
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use grin_util::StopState;
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use std::net::{SocketAddr, TcpListener, TcpStream};
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use std::sync::Arc;
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use std::{thread, time};
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use crate::core::core::hash::Hash;
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use crate::core::global;
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use crate::core::pow::Difficulty;
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use crate::p2p::types::PeerAddr;
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use crate::p2p::Peer;
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fn open_port() -> u16 {
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// use port 0 to allow the OS to assign an open port
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// TcpListener's Drop impl will unbind the port as soon as
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// listener goes out of scope
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let listener = TcpListener::bind("127.0.0.1:0").unwrap();
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listener.local_addr().unwrap().port()
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}
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// Setup test with AutomatedTesting chain_type;
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fn test_setup() {
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// Set "global" chain type here as we spawn peer threads for read/write.
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global::init_global_chain_type(global::ChainTypes::AutomatedTesting);
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util::init_test_logger();
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}
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// Starts a server and connects a client peer to it to check handshake,
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// followed by a ping/pong exchange to make sure the connection is live.
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#[test]
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fn peer_handshake() {
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test_setup();
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let p2p_config = p2p::P2PConfig {
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host: "127.0.0.1".parse().unwrap(),
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port: open_port(),
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peers_allow: None,
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peers_deny: None,
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..p2p::P2PConfig::default()
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};
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let net_adapter = Arc::new(p2p::DummyAdapter {});
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let server = Arc::new(
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p2p::Server::new(
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".grin",
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p2p::Capabilities::UNKNOWN,
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p2p_config.clone(),
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net_adapter.clone(),
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Hash::from_vec(&vec![]),
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Arc::new(StopState::new()),
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)
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.unwrap(),
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);
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let p2p_inner = server.clone();
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let _ = thread::spawn(move || p2p_inner.listen());
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thread::sleep(time::Duration::from_secs(1));
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let addr = SocketAddr::new(p2p_config.host, p2p_config.port);
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let socket = TcpStream::connect_timeout(&addr, time::Duration::from_secs(10)).unwrap();
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let my_addr = PeerAddr("127.0.0.1:5000".parse().unwrap());
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let peer = Peer::connect(
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socket,
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p2p::Capabilities::UNKNOWN,
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Difficulty::min_dma(),
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my_addr,
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&p2p::handshake::Handshake::new(Hash::from_vec(&vec![]), p2p_config.clone()),
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net_adapter,
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)
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.unwrap();
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assert!(peer.info.user_agent.ends_with(env!("CARGO_PKG_VERSION")));
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thread::sleep(time::Duration::from_secs(1));
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peer.send_ping(Difficulty::min_dma(), 0).unwrap();
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thread::sleep(time::Duration::from_secs(1));
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let server_peer = server.peers.get_connected_peer(my_addr).unwrap();
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assert_eq!(server_peer.info.total_difficulty(), Difficulty::min_dma());
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assert!(server.peers.iter().connected().count() > 0);
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}
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